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sr-102610-7cCity Council Meeting: October 26, 2010 Agenda Item: 7C To: Mayor and City Council From: Eileen Fogarty, Director of Planning and Community Development Subject: Recommendations to City Council for Adopting a Resolution Making Findings of Local Climatic, Geological and Topographical Conditions as Required to Adopt Local Amendments to the California Building Standards Code and for Adopting an Ordinance to Adopt the 2010 California Building Standards Codes and Santa Monica Local Amendments. Recommended Action Staff recommends that the City Council: 1. Adopt the attached resolution that provides findings of local climatic, geological and topographical conditions as required to adopt local amendments to the California Building Standards Code. 2. Approve on first reading the attached ordinance that adopts the 2010 California Building Standards Code and Santa Monica local amendments to the California Building Standards Code. 3. Instruct staff to file the adopted resolution and ordinance with the California Building Standards Commission following the second reading of the ordinance but at least 30 days before the effective date of the Codes. Executive Summary The 2010 Edition of the California Building Standards Code, together with local amendments and findings, are recommended for City Council adoption. The resolution, presented as Attachment A, sets forth the local climatic, geological and topographical conditions findings that are required to support the adoption of the local technical code amendments. The ordinance, presented as Attachment B, sets forth the adoption of the 2010 Edition of .the California Building Standards Code and the Santa Monica local amendments to the California Building Standards Code. If the Council adopts the proposed resolution and the accompanying ordinance, these laws would become effective on January 1, 2011. The content of the resolution and ordinance were presented to the Building and Safety Commission and discussed in detail in three separate meetings. In the first two meetings, the Commission heard staff's recommendations and provided recommended changes. At the final meeting, the Commission unanimously approved all of the proposed amendments as presented in the proposed ordinance. All local Santa Monica amendments to the State building codes are necessary because of local conditions and present a higher order of seismic safety, fire safety and energy and environmental efficiencies. As required by the State Health and Safety Code, all local amendments are more stringent than requirements in the State building codes and each amendment is justified with appropriate findings. Discussion Pursuant to the Health and Safety Code, the California Building Standards Code applies throughout the State of California. This set of 2010 building standards incorporates by reference various model codes with amendments created by applicable State agencies. The California Building Standards Commission publishes amended codes once every three years. One hundred and eighty days later, all cities and counties must follow the published standards unless the local jurisdiction amends them as allowed by law: Cities and Counties may make amendments to the California Building Standards Code based on local climatic, geological and topographical conditions, provided that the amendments are not less restrictive than the State requirements. For amendments to be effective, the local governing body must make specific findings that any one or more of the aforementioned conditions is applicable, approve an ordinance adopting the amendments, and file a copy of the express findings and the local ordinance with the California Building Standards Commission. These requirements apply to both new and previously adopted local amendments. Summary of the 2010 California Building Standards Code Title 24 of the California Code of Regulations is also known as the California Building Standards Code where the 2010 California Building Standards Code includes .the following by part: • Title 24, Part 2: 2010 California Building Code • Title 24, Part 2.5: 2010 California Residential Code 2 • Title 24, Part 3: • Title 24, Part 4: • Title 24, Part 5: • Title 24, Part 6: • Title 24, Part 9: • Title 24, Part 11 2010 California Electrical Code 2010 California Mechanical Code 2010 California Plumbing Code 2010 California Energy Code 2010 California Fire Code 2010 California Green Building Standards Code Adoption of these State codes is part of staffs recommendations to Council. For clarity, new to the California Building Standards Code are the 2010 California Residential Code and the 2010 California Green Building Standards Code. New chapters in the Municipal Code are proposed to accommodate these codes as Chapters 8.22 and 8.106 respectively. These codes are specific in their scope and meant to provide methods of design- and construction that are not fully addressed in other building standards. The 2010 California Residential Code is applicable to new and existing one and two family dwellings and townhomes not more than three stories in height. This code has the advantage of providing specific construction standards that are applicable to residential dwellings and may be used by designers and builders exclusive to this occupancy. The Residential Code includes minimum standards that are consistent for fire-life-safety- health requirements. The 2010 California Green Building Standards Code, also known as the CALGreen Code, is applicable only to new residential and non-residential buildings. It has the purpose of requiring design and construction practices that are energy efficient and environmentally friendly. The CALGreen Code differs from existing third-party green building standards in that it is a minimum standard ratherthan a rating system. The standards that appear in the CALGreen Code, however, may appear to be similar to third-party standards in the requirements for building design and construction. Coordination with the Office of Sustainability and the Environment The mandatory adoption of the CALGreen Code necessitated an examination of Santa Monica's existing green building standards to ensure no conflicts or duplication, or areas that are less stringent in the Municipal Code. The Building Officer and staff from the Office of Sustainability and the Environment met to discuss direction of, changes to, or incorporation of, Santa Monica's green building requirements into the CALGreen 3 Code. The discussion led to further study of both the CALGreen Code and existing green building requirements in the Municipal Code with a recommendation for a broader approach to be presented to Council in a separate session. Immediate and necessary amendments to the CALGreen Code are proposed as part of this resolution and ordinance as Santa Monica local amendments for Council's approval. Building and Safety Commission Actions The. Building Officer and the Acting Fire Marshall held three public meetings with the Building and Safety Commission to present proposed local amendments and findings and sought the Commission's recommendation to adopt the State building codes along with the local amendments and findings. On September 1, September 8, and September 13, 2010, the Commission reviewed the staff recommendations and provided recommended changes to the technical contents of the amendments. Staff agreed with the Commission recommendations and incorporated them into this recommendation to the Council. The two amendments that were rejected by the Commission were agreed to by staff, and are not being presented as part of the proposed ordinance (they appear later in this report for reference only). On September 13, 2010, the Commission unanimously moved to recommend to City Council the adoption of the proposed resolution and accompanying ordinance. City of Santa Monica Amendments Staff recommends Council adopt the ensuing local amendments to the 2010 Building Standards Code as they are more stringent that the State building codes, and because they are justified by local climatic, geological or topographical conditions. Recognizing the specific seismic conditions of Santa Monica with known earthquake faults in the City, and the special environmental conditions of the City's beach community, all recommended amendments are presented with a higher order of seismic safety, fire protective measures, and energy and environmental efficiencies. The majority of the amendments, particularly for the Building Code and Residential Code, were discussed, conceived, and authored by the collaborative group of building officials in Los Angeles County. City staff further examined those recommendations by the collaborative group and recommends them for adoption. 4 Summary of Changes and Recommended Amendments Changes to Chapter 8, Building Regulations, of the Santa Monica Municipal Code were made throughout the Chapter, mostly editorial in nature and, to add reference to the new Residential Code and the CALGreen Code. Other changes included updating references to previous building code editions and, adding exemptions to permit requirements when work is already authorized by acombination-building permit. The changes found in the set of recommended codes for Council's approval incorporates the building industry's latest technical provisions and safety standards. It offers the highest order of building and construction safety regulations known among building officials as a "Standard of Care". Together with this Standard of Care, this latest set of codes offers more user-friendly methods for residential design and the latest approved methods of environmental consciousness. Examples that homeowners and builders may take advantage of include: • Prescriptive design methods are available in the new California Residential Code for single-family, single-story dwellings where homeowners may apply design parameters from tables found in the Code, without the need to hire a design engineer or architect. • For new single-family dwellings, the fire separation distance allowed by the California Residential Code may be reduced to three-feet. This allowed distance will be coordinated in the design-review process with Planning requirements. • Graywater systems are now allowed by the California Plumbing Code for both residential and non-residential occupancies. Where a residential graywater system includes discharge from a clothes washer only, this system does not require a plumbing permit. • Homeowners of new residences will be able to enjoy a savings in their water bills through the required twenty-percent water reduction in the new CALGreen Code. Water savings may be easily achieved through use of market available plumbing fixtures. • A higher indoor air quality will be realized to homeowners of new residences with control of finish material with lower volatile organic compound (VOC) content as required by the CALGreen Code. Paints; coatings, carpets, wood products must 5 all meet healthful VOC levels. • Construction technique and ventilation requirements in the CALGreen Code will promote better moisture control for new residences. The majority of the amendments recommended for Council's approval are technical in nature and are intended to provide a higher order of structural safety during a seismic event. In particular, many of the requirements in the State Building and Residential Codes that reference Seismic Category D, Santa Monica's seismic zone classification, are modified to provide more stringent requirements. A summary of amendments is provided for each adopting code. Administrative Code Amendments Changes to the administrative provisions of Chapter 8 of the Municipal Code include: • Correct term "technical codes" with correct case indications to reference the defined term (see Section 8.08:010). • Add definition of the City of Santa Monica Energy Code, Green Building Code, Residential-Code (see Section 8.08.020). • Clarify the power and duties of the Building Officer to include buildings "and structures" (see Section 8.08.030). • Specifically exempt separate Grading, Plumbing, Mechanical permits when the work is authorized by acombination-building permit (see Section 8.08.050). • Expand the designation of Essential Facilities to include "man-made" disasters during emergencies (see Section 8.12.040) Local Amendments To The Buildino Code Provide more stringent requirements for the structural elements for Wood Roof Diaphragms where they support concrete or masonry walls and to limit the allowable shear loads (see Section 8.16.020(e)). • Provide a higher order of Seismic Separation Distances between buildings by modifying the given equation (see Section 8.16.020(f)). • Continuation from the previous code amendment to limit the height of light frame construction with vertical irregularities to two stories for one-and-two family dwellings (see Section 8.16.020(g)). • Continuation from the previous code amendment to correct the design parameter factors related to Buckling Restrained Braced Frame systems (see Section 8.16.020(h)). 6 • New amendment to provide structural safety standards for Suspended Ceilings where none currently exist in the California Building Code (see Section 8.16.020(j)). • Clarify requirements for special inspection for concrete construction and eliminate the exception for no special inspection for concrete foundation walls (see Section 8.16.020(k)). • Amend requirement to require special inspection for connection grade beams for driven deep foundations in Seismic Category D (see Section 8.16.020(1)). • Amend requirement to require special inspection for connection grade beams for cast-in place foundations in Seismic Category D (see Section 8.16.020(m)). • Provide more stringent requirement by requiring special inspection for seismic resistance for non "box-type" structures of one-and-two family dwellings (see Section 8.16.020(n)). • Define specific requirements of the registered design professional for general structural observation and require more comprehensive job-site reporting (see Section 8.16.020(0)). • Provide for more stringent requirements for seismic structural observation including lateral design with an exception for simple structures (see Section 8.16.020(p)). • Restrict permanent wood foundations in Seismic Category D due to unknown performance in a seismic event and its ability to withstand surrounding elements (see Section 8.16.030(e)). • Restrict the prescriptive design of foundation walls in Seismic Category D (see Section 8.16.030(f)). • Provide limitations for the prescriptive design method of footings for light-frame construction in Seismic Category D (see Section 8.16.030(g)). • Restrict allowance of timber footings in Seismic Category D due to unknown performance in a seismic event and its ability to withstand surrounding elements (see Section 8.16.030(h)). • Restrict allowance of timber deep foundations designed as poles or piles in Seismic Category D due to unknown performance in a seismic event and its ability to withstand surrounding elements (see Section 8.16.030(1)). • Continue restricted use of plain structural concrete for walls, footings and pedestals in Seismic Category D (see Section 8.16.040(a)). • Provide for critical design criteria of concrete columns and concrete shear walls (see Section 8.16.040(g)). • Require intermediate structural walls to meet additional standards in Seismic Category D (see Section 8.16.040(h)). • Structural wall piers in Seismic Category D to comply with additional standards (see Section 8.16.040(1)). 7 • Restrict uses of plain structural concrete as minimum reinforcement and provide for additional reinforcing methods (see Section 8.16.040Q)). • Continue amendment requirement for Specially Concentric Braced Frames (see Section 8.16.060(a)). • Provide for more stringent requirements for structural welds to be consistent with welding institute standards (see Section 8.16.060(b)). • Restrict use of staples to resist or transfer seismic forces in Seismic Category D {see Section 8.16.070(a)). • Require more stringent specifications for hold-down connectors for seismic design protection. Specific component and install methods for Seismic Category D (see Section 8.16.070(c)). • Restrict use of staples for shear walls and diaphragms (see Section 8.16.070(d)). • Restrict use of wood in retaining and crib walls in Seismic Category D due to unknown performance in a seismic event and its ability to withstand surrounding elements (see Section 8.16.070(f)). • Require nails installed with anail-gun to meet same dimensions as hand-driven nails in Seismic Category D (see Section 8.16.070(g)). • Restrict use of staples for wood structural panel diaphragms in Seismic Category D (see Section 8.16.070(h)). • Modified requirements for wood shear walls used to resist seismic forces in Seismic Category D (see Section 8.16.070(1)). • Restriction of material type for sheathed shear walls at the top-level of multi-story buildings in Seismic Category D (see Section 8.16.070Q)). • More stringent requirements for braced wall line support in Seismic Category D (see Section 8.16.070(k)). • Additional requirements for masonry and stone wall veneer installed in the first story above the grade plane, in Seismic Category D (see Section 8.16.070(1)). • Provide for more stringent requirements for braced wall sheathing (see Section 8.16.070(m)). • More stringent requirements for sheathing attachment in Seismic Category D. Staples fasteners are not allowed. (see Section 8.16.070(n)). Local Amendments To The Residential Code • Adopting language for the California Residential Code as the Residential Code of the City of Santa Monica (see Section 8.22.010). • Reference to the local amendment provisions to the California Residential Code (see Section 8.22.020). • Requirement that construction drawings for woodframe structures more than one-story shall be stamped by a licensed architect or engineer (see Section 8 8.22.030(a)). • Requirement that slopes steeper than 33-1/3 percent are to comply with the structural requirements of Chapter 16 of the California Building Code (see Section 8.22.030(b)). • Provide more stringent requirements for irregular or "box" shaped structures by not allowing exceptions in Chapter 3 of the California Residential Code (see Section 8.22.030(c)). • Limit the weight and height of mechanical and plumbing equipment for attic floor systems to less than 400 pounds, and a maximum height of four feet (see Section 8.22.030(d)). • Establish criteria for openings in horizontal diaphragms to limit the maximum floor opening (see Section 8.22.030(e)). • Provide more stringent requirements for allowed material types for bracing requirements and restrict material types with unknown performance in Seismic Category D (see Section 8.22.030(f)). • Provide more stringent requirements for allowed material types for intermediate bracing methods and restrict material types with unknown performance in Seismic Category D (see Section 8.22.030(g)). • Provide more stringent requirements for alternate braced wall panels by increasing minimum size of panel sheathing, type of nail fasteners and reinforcing lap (see Section 8.22.030(h)). • Provide more stringent requirements for portal frame construction by increasing minimum size of panel sheathing and type of nail fasteners (see Section 8.22.030(1)). • Require. a minimum lap splice for PFH methods of construction (see Section 8.22.030Q)). • Require more stringent requirements for continuous sheathing by increasing minimum size of panel sheathing and type of nail fasteners (see Section 8.22.030(k)). • Require more stringent requirements for Method CS-PF by increasing minimum size of panel sheathing and anchoring methods (see Section 8.22.030(1)). • Delete California Residential Code Section which allows intervals of continuous foundations for braced wall panel support in Seismic Category DZ (see Section 8.22.030(m)). • Require a higher depth-to-thickness ratio for lateral support of roof framing members and ceiling joists (see Section 8.22.030(n)). • Roof openings in horizontal diaphragms to comply with added Section R503.2.4 to limit the maximum roof opening and shear transfer. (see Section 8.22.030(0)). • Restrict the use of wood foundations in Seismic Category D due to unknown performance in a seismic event and its resistance to the elements (see Section 8.22.050(a)). 9 • Restrict the use of wood foundations walls Seismic Category D due to unknown performahce in a seismic event and its resistance to the elements (see Section 8.22.050(b)). • Requirement for chimneys to anchor four No. 4 reinforcing bars into the concrete foundation for seismic support (see Section 8.22.060(a)). • Modification of conflicting language in an applicable reference standard that allows less stringent fastening of steel sheets for cold formed steel reinforcing (see Section 8.22.070(a)). • Restrict the use of staples for wood fastening methods (see Section 8.22.080(a)). • Restrict the use of staples in the alternate attachment method (see Section 8.22.080(b)). • Provide for methods to protect wood in joist heel joint connections that may be damaged during nailing (see Section 8.22.070(c)). • Require that design of wood trusses to be performed by a registered professional (see Section 8.22.070(d)). Local Amendments To The Electrical Code • Remove specific requirements for wiring methods as the requirements are duplicative in the California Electrical Code (see Section 8.24.030). • Delete the exception which allowed generating, transforming, converting equipment, and current, voltage and power meters to be non-listed (see Section 8.24.040(e)(5)). • Change wording to clarify requirements for temporary power poles (see Section 8.24.060). • Eliminate duplicative language found in the California Electrical Code for electrical vaults and handholes (see Section 8.24.070). • Add two exceptions to the requirement for the disconnecting means for solar photovoltaic systems (see Section 8.24.080). • Require metallic enclosures installed within the proximity of the mean shoreline to have a higher degree of corrosion protection (see Section 8.24.090). Local Amendments To The Fire Code • Removal of the "Amendment to Section 105 Permits" since the requirements of this Section are in Chapter 1, Division II of the California Fire Code (see Section 8.40.020). • Update references to the Uniform Building Code and Uniform Fire Code, include the California Residential Code in the Application section (see Section 8.44.010). 10 • Update the Degree of Occupancy Hazard Table 8.44-A to coordinate with occupancy classes in the California Building Code (see Section 8.44.050). • Section on Enforcement is_duplicative with the provisions in Chapter 1 of the California Fire Code and Section is therefore deleted (see Section 8.44.060). • Section on Notice Of Noncompliance is duplicative with the provisions in Chapter 1 of the California Fire Code and Section is therefore deleted (see Section 8.44.070). • Add requirement for a fire protection system notification device for one-and-two family dwellings (see Section 8.44.110(h)). • Reference Only: Require calculations for water supply and hydraulics that prove adequate water flow of 110% for the fire sprinkler system. This item was rejected by the Building and Safety Commission and is not submitted for Council's approval. Local Amendments To The Green Building Code • Adopting language for the California Green Building Standards Code as the Green Building Code of the City of Santa Monica (see Section 8.106.010). • Reference to the local amendment provisions to the California Green Building Standards Code (see Section 8.106.020). • Clarify application of the mandatory and voluntary provisions in the CALGreen Code to include all new residential buildings (see Section 8.106.030). • Modify the definition of low-rise residential building to include buildings that are six stories and less (see Section 8.106.040). • Add a definition of Sustainability as the term is used in the CALGreen Code but not defined with specific applicability to green standards (see Section 8.106.050). • Eliminate specificity of the required installer for weather-based irrigation controllers (see Section 8.106.060). • Require details of how flashing is to be executed in certain locations to ensure moisture protection of building elements and occupants (see Section 8.106.070). • Reference Only: Require that building materials delivered to the construction site be protected from rain and moisture. This item was rejected by the Building and Safety Commission and is not submitted for Council's approval. Financial Impacts & Budget Actions Adoption of the resolution and ordinance will have no significant impact on the General Fund apart from costs associated with procurement of the code books, reference material, and staff technical training. These associated costs will be absorbed in the Department's FY 10-11 adopted budget. As with any code revision and new municipal 11 code regulations there could be impacts on future City projects affected by this adoption. Prepared by: Ron Takiguchi, P.E., Building Officer In Consultation With: Scott Ferguson, Fire Chief Nancy Johnson, Acting Fire Marshall Approved: Director, Planning & Forwarded to Council: Rod Gould City Manager Attachment A: Resolution Making Findings Of Local Climatic, Geological And Topographical Conditions As Required To Adopt Local Amendments To The California Buildina Standards Code Attachment B: Ordinance Adopting The 20.10 California Buildina Standards Code And Adopting The Santa Monica Amendments To The California Building Standards Code 12 Development Department City Council Meeting 10-26-2010 Santa Monica, California ORDINANCE NUMBER (CCS) (City Council Series) AN ORDINANCE OF THE CITY COUNCIL OF THE CITY OF SANTA MONICA ADOPTING THE CALIFORNIA BUILDING STANDARDS CODE AND THE SANTA MONICA LOCAL AMENDMENTS TO THE CALIFORNIA BUILDING STANDARDS CODE WHEREAS, on November 13, 2007, the City Council adopted Ordinance Number 2244 (CCS), which adopted by reference certain Technical Codes, the Santa Monica local amendments to these Technical Codes and the California Building Standards Code; and WHEREAS, Health and Safety Code Section 18938 provides that the triennial edition of the California Building Standards Code establishes building standards for all occupancies throughout the State and requires that these standards incorporate the latest editions of the Technical Codes with necessary California amendments; and WHEREAS, on July 1, 2010, the State Building Standards Commission approved and published the 2010 edition of the California Building Standards Code, which incorporated the various editions of the Technical Codes by reference with necessary California amendments: and WHEREAS, Health and Safety Code Sections 18938 and 17958 make the California Building Standards Code applicable to all cities and counties throughout California, including the City of Santa Monica, 180 days after publication by the State Building Standards Commission, which is January 1, 2011; and WHEREAS, Health and Safety Code Section 18941.5 provides that the City may 1 establish more restrictive building standards if they are reasonably necessary due to local climatic, geological or topographical conditions; and WHEREAS, the City Council has considered the 2010 edition of the California Building Standards Code, which incorporates by reference the various editions of the Technical Codes, and all of the referenced standards, tables, matrices and appendices of each of these codes therein; and WHEREAS, based upon the findings contained in the Resolution adopted concurrently with this Ordinance, the City Council has found that certain modifications and additions to the California Building Standards Code are reasonably necessary based upon local climatic, geological and topographical conditions; NOW, THEREFORE, THE CITY COUNCIL OF THE CITY OF SANTA MONICA DOES ORDAIN AS FOLLOWS: SECTION 1. Section 8.08.010 of the Santa Monica Municipal Code is hereby amended to read as follows: 8.08.010 Purpose, scope and conflicting provisions. (a) Purpose. The purpose of this Chapter is to provide for the administration and enforcement of the *°-^~ Technical Codes adopted by this jurisdiction and codified in Article VIII of the Municipal Code and to safeguard the public health, safety and general welfare. (b) Scope. The provisions of this Chapter shall serve as the administrative, organizational and enforcement rules and regulations for the tf~>kFaisal--cedes 2 Technical Codes to regulate site preparation and construction, alteration, moving, demolition, repair, use and occupancy of buildings, structures and building service equipment within this jurisdiction. (c) Conflicting Provisions. When conflicting provisions or requirements occur between this Chapter, the #{>,sl~iea~sedes Technical Codes and other codes or laws, the most restrictive provisions shall govern. When there is a conflict between a general requirement and a specific requirement, the specific requirement shall- be applicable. When conflicts occur between specific provisions of this Chapter and administrative provisions in a Technical Code, the specific provisions of this Chapter shall prevail. SECTION 2. Section 8.08.020 of the Santa Monica Municipal Code is hereby amended to read as follows: 8.08.020 Definitions. For the purpose of this Chapter, certain terms, phrases, words and their derivatives shall be construed as specified in this Section. Where terms are not defined, they shall have their ordinarily accepted meanings within the context with which they are used. Addition is an extension or increase in floor area or height of a building or structure. Alter or Alteration is a change or modification in construction or building service equipment. 3 Approved, as to materials, types of construction, equipment and systems, refers to approval by the Building Officer as the result of investigation and tests conducted by the Building Officer, or by reason of accepted principles or tests by recognized authorities, technical or scientific organizations. Approved Agency is an established and recognized agency regularly engaged in conducting tests or furnishing inspection services, when the agency has been approved by the Building Officer. Building is a structure used or intended for supporting or sheltering a use or occupancy. Building Code is the Building Code of the City of Santa Monica. Building, Existing is a building for which a legal building permit has been issued. Building Officer is the Building Officer of the City of Santa Monica appointed pursuant to Article VII of the City Charter, or his or her regularly authorized deputy. Building Service Equipment is the plumbing, mechanical, electrical and elevator equipment including piping, wiring, fixtures and other accessories which provide sanitation, lighting, heating, ventilation, cooling, refrigeration, fire-fighting and transportation facilities essential to the occupancy of the building or structure for its designated use. Code and This Code is the Santa Monica Municipal Code, unless otherwise noted. Electrical Code is the Electrical Code of the City of Santa Monica. Energy Code is the Energv Code of the City of Santa Monica. Green Building Code is the Green Building Standards Code of the City of 4 Santa Monica. Jurisdiction, as used in this Code, is the City of Santa Monica. Listed and Listing are terms referring to equipment and materials included in a list published by an approved testing laboratory, inspection agency, or other organization concerned with product evaluation that maintains periodic inspection of current productions of listed equipment or materials. The published list shall state that the material or equipment complies with approved nationally recognized codes, standards or tests and has been tested or evaluated and found suitable for use in a specified manner Mechanical Code is the Mechanical Code of the City of Santa Monica. Occupancy is the purpose for which a building; or part thereof, is used or intended to be used. Owner is any person, agent, firm or corporation having a legal or equitable interest in the property. Permit is an official document or certificate issued by the Building Officer authorizing performance of a specified activity. Person is a natural person, heirs, executors, administrators or assigns, and also includes a firm, partnership or corporation, its or their successors or assigns, or the agent of any of the aforesaid. Plumbing Code is the Plumbing Code of the City of Santa Monica. Repair is the reconstruction or renewal of any part of an existing building, structure or building service equipment for the purpose of its maintenance. Residential Code is the Residential Code of the City of Santa Monica. Shall, as used in this Code, is mandatory. 5 Structural Observation means the visual observation of the structural system, for general conformance to the approved plans and specifications, at significant construction stages and at completion of the structural system. Structure is that which is built or constructed, an edifice or building of any kind, or any piece of work artificially built up or composed of parts joined together in some definite manner. Technical Codes refer to those codes adopted by this jurisdiction containing the provisions for design, construction, alteration, addition, repair, removal, demolition, use, location, occupancy and maintenance of buildings and structures and building service equipment as herein defined. Valuation is the estimated fair market value of the cost of all construction work for which the permit is issued as determined by the Building Officer. To determine the valuation, the Building Officer may use the most current building valuation table published by the International Conference of Building Officials or its successors, the mean of three responsible bids from properly licensed contractors or any other commonly accepted method to estimate construction costs. SECTION 3. Section 8.08.030 of the Santa Monica Municipal Code is hereby amended to read as follows: 8.08.030 Powers and duties of the Building Officer. (a) General. The Building Officer is hereby authorized and directed to enforce all the provisions of t~',-R~-~„apt~ Article VIII of this Code and the referenced Technical Codes. For such purposes, the Building Officer and his/her authorized deputies shall 6 have the powers of a law enforcement officer. The Building Officer shall have charge of the supervision and inspection of the construction of all buildings and structures ^^^~t,=~tia,, within the City and shall have power and be required to: (1) Examine building plans in order to determine conformity with State laws and ordinances and issue building permits in connection therewith; and (2) Enforce the laws and ordinances regulating the construction and maintenance of buildings and other structures. (b) Mobile home Parks. The Building Officer is hereby authorized and directed to enforce the provisions of the Mobile home Parks Act, Division 2.1, Part 13 of the Health and Safety Code and Title 25 California Code of Regulations and shall have authority to promulgate and or adopt administrative regulations governing the appeal of orders, decisions and determinations of the Building Officer for matters related to such enforcement. (c) Deputies. The Building Officer may appoint such number of technical officers and inspectors and other employees as shall be authorized from time to time. The Building Officer may deputize such inspectors or employees as may be necessary to carry out the functions of this Chapter. (d) Rules and Interpretations. The Building Officer shall have the power to render interpretations, and to adopt and enforce supplemental rules and regulations as may be deemed necessary to clarify the application of the provisions of this Chapter and the referenced Technical Codes. Such interpretations, rules and regulations shall be in conformity with the intent and purpose of this Chapter and the referenced Technical Codes. 7 (e) Right of Entry. When necessary to make an inspection to enforce any of the provisions of this Chapter and the Technical Codes, or when the Building Officer has reasonable cause to believe that there exists in any building or upon a premises a condition which is contrary to or in violation of this Code, which makes the building or premises unsafe, dangerous or hazardous, the Building Officer may enter the building or premises at all reasonable times to inspect or to perform the duties imposed by this Code. The Building Officer shall have recourse to all remedies provided by law to secure entry. (f) Orders to Stop Construction Work. When work is being done contrary to any permit, to the provisions of the Technical Codes or ordinance implemented through the enforcement of this Code, or other pertinent Federal, State or local ordinances and regulations, the Building Officer, or any subordinate authorized to act on behalf of the Building Officer, may order the work stopped by notice in writing on persons engaged in the doing or causing such work to be done. Any person in receipt of such notice shall immediately comply with the stop work order. (g) Suspension or Revocation of Permits or Certificate of Occupancy. The Building Officer may, in writing, suspend or revoke a permit or Certificate of Occupancy issued under the provisions of this Chapter whenever the permit or Certificate of Occupancy has been issued in error, on the basis of incorrect information supplied, without the payment of the required fees, or in violation of any Federal, State or local ordinances or regulations. Local ordinances and regulations include but shall not be limited to: (1) Any provision of the approved plans, tTechnical sCodes or any other provision of the City' s Municipal Code, which is applicable to the work, including but not 8 limited to exterior noise standards and permitted hours of operation pursuant to Sections 4.12.130 and 4.12.140 of the Municipal Code. (2) Any condition of City permit approval, including but not limited to, planning and zoning .requirements, required construction mitigation measures for occupied buildings and adjacent properties and tenant protection during construction. (3) Safety standards for onsite use or occupancy, adjacent properties or the public way, as determined by the Building Officer. (4) Any administrative citations and compliance orders including the payment of any fines or penalties. (5) Any air or water quality standards, including but not limited to asbestos contamination. (6) Any required license, security or insurance related to the work. (h) Discontinue Use. When a building or structure or building service equipment therein regulated by this Code and the Technical Codes is being used contrary to the provisions of such codes, the Building Officer may order such use discontinued by written notice served on any person causing such use to be continued. Such person shall discontinue the use within the time prescribed by the Building Officer after receipt of such notice to make the structure, or portion thereof, comply with the requirements of such codes. (i) Authority to Disconnect Utilities. The Building Officer or the Building Officer' s authorized representative shall have the authority to disconnect a utility service or energy supplied to the building, structure or building service equipment therein regulated by this Code or the Technical Codes in case of emergency where necessary to eliminate an immediate hazard to life or property. 9 The Building Officer shall whenever possible notify the serving utility, the owner and occupant of the building, structure or building service equipment of the decision to disconnect prior to taking such action, and shall notify such serving utility, owner and occupant of the building, structure or building service equipment, in writing, of such disconnection immediately thereafter. (j) Authority to Condemn Building Service Equipment.. When the Building Officer ascertains that building service equipment regulated in the Technical Codes has become hazardous to life, health or property, or has become unsanitary, the Building Officer shall order in writing that such equipment either be removed or restored to a safe or sanitary condition, as appropriate. The written notice itself shall fix a time limit for compliance with such order. Defective building service equipment shall not be maintained after receiving such notice. When such equipment or installation is to be disconnected, the Building Officer shall give a written notice of such disconnection and causes therefore to the serving utility within twenty-four hours, the owner and occupant of such building structure or premises. When any building service equipment is maintained in violation of the Technical Codes and in violation of a notice issued pursuant to the provisions of this Section, the Building Officer shall institute appropriate action to prevent, restrain, correct or abate the violation. (k) Approval of Alternate Materials, Methods of Design and Methods of Construction. The Building Officer may approve an alternate material, method of design or method of construction not specifically prescribed by the Technical Codes, provided the Building Officer finds that the proposed design is satisfactory and complies 10 with the provisions of the Technical Codes and that the material, method or work offered is, for the purpose intended, at least the equivalent of that prescribed in the Technical Codes in suitability, strength, effectiveness, fire resistance, .durability, safety and sanitation. The Building Officer shall require that sufficient .evidence or proof be submitted to substantiate claims that may be made regarding its use. (I) Granting of Modifications to the Technical Codes. Whenever there are practical difficulties involved in carrying out the provisions of the Technical Codes, the Building Officer may grant modifications for individual cases based on the following findings: (1) A special individual reason makes the strict letter of the Technical Code impractical; and (2) The modification is in conformity with the intent and purpose of the Technical Code; and (3) The modification provides equivalent suitability, strength, effectiveness, fire resistance, durability, safety and sanitation; and (4) The modification does not lessen health; life safety and fire-safety requirements or any degree of structural integrity. The jurisdiction shall maintain records for granting modifications for the period required for the retention of public records. (m) Requiring of Tests. Whenever there is insufficient evidence of compliance with the provisions of the Technical Codes or evidence that materials or construction do not conform to the requirements of the Technical Codes, the Building Officer may require tests as evidence of compliance to be made at no expense to the jurisdiction. 11 Test methods shall be as specified by the Technical Codes or by other recognized test standards. In the absence of recognized and accepted test methods, the Building Officer shall determine test procedures. Tests shall be made by an approved agency. The Building Officer shall retain reports of such tests for the period required for the retention of public records. (n) License Special Inspectors and Approved Fabricators. (o) Maintaining Records. The Building Officer shall maintain sufficient records to show the approved use, occupancy and type of construction for all structures requiring permits and the applicable code standards applicable to any existing building. Such records shall include any special administrative approvals including alternate materials, methods of design and construction, modifications and tests. The Building Officer shall also maintain ah official copy of the plans of every building issued a building permit during the life of the building except for: (1) Single family dwelling not more than two stories and basement in height and their accessory structures. (2) Any one-story building where the span between bearing walls does not exceed twenty-five feet except for steel frame or concrete buildings. (3) Any building containing a bank, other financial institution, or public utility. These exceptions shall not apply to a community apartment project, condominium project, planned development, or a stock cooperative as defined in Section 1351 of the Civil Code. (p) Cooperation of Other Officials and Officers. The Building Officer may request, and shall receive, the assistance and cooperation of other officials of this jurisdiction so far as is required in the discharge of the duties required by this Code or 12 other pertinent laws or ordinances. (q) Liability. The Building Officer charged with the enforcement of this Code and the Technical Codes, acting in good faith and without malice in the discharge of duties, shall not thereby be rendered personally liable for damage that may accrue to persons or property as a result of an act or omission in the discharge of the assigned duties. A suit brought against the Building Officer or employee because of such act or omission performed by the Building Officer or employee in the enforcement of the provisions of such codes or other pertinent laws or ordinances implemented through the enforcement of this Code or enforced by the code enforcement agency shall be defended by this jurisdiction until final termination of such proceedings, and any judgment resulting therefrom, shall be assumed by this jurisdiction. This Section shall not be construed to relieve from or lessen the responsibility of any person owning, operating or controlling a building, structure or building service equipment therein for damages to persons or property caused by defects, nor shall the code enforcement agency or its parent jurisdiction be held as assuming such liability by reason of the inspections authorized by this Code or permits or certificates issued under this Code. SECTION 4. Section 8.08.050 of the Santa Monica Municipal Code is hereby amended #o read as follows: 8.08.050 Permits required. (a) General. No person shall erect, construct, enlarge, alter, repair, move, improve, remove, convert or demolish any building, structure or building service 13 equipment regulated by this Chapter and the Technical Codes without first obtaining an appropriate permit for each building, structure or building service equipment from the Building Officer except as specified in this Section. No person shall do any exterior sandblasting within the City without first obtaining an appropriate permit for each separate work location or contractor. No person shall perform any excavation or grading work without first obtaining an appropriate permit from the Building Officer except as specified in this Section. No person shall erect any temporary structures within the City without first obtaining. an appropriate permit from the Building Officer except as specified in this Section. Exemption from the permit requirements of this Chapter shall hot be deemed to grant authorization for any work to be done in violation of the provisions of the Technical Codes or any other laws or ordinances. (b) Temporary Structures. Temporary structures such as reviewing stands, platforms, displays and other miscellaneous structures, sheds, canopies or fences used forthe protection of the public around and in conjunction with construction work may be erected by special permit from the Building Officer for a limited period of time. Buildings or structures erected under a special permit need not comply with the type of construction or fire-resistive time periods required by the Building Code. Temporary buildings or structures shall be completely removed upon the expiration of the time limit stated in the permit. (c) Work Exempt from Building Permit. A building permit shall not be required for the following: 14 (1) One-story detached accessory buildings not more than fourteen feet in height when used as tool and storage sheds, playhouses and similar uses, provided the floor area does not exceed one hundred twenty square feet, the structure does not contain electrical, mechanical or plumbing work and the structure conforms to the applicable zoning regulations of Chapter 9.04 of the Municipal Code. (2) Exterior freestanding walls and fences not over six feet high. (3) Oil derricks. (4) Movable cases, counters and partitions not over five feet nine inches high. (5) Retaining walls that are not over four feet in height measured from the bottom of the footing to the top of the wall, unless supporting a surcharge or impounding flammable liquids. (6) Water tanks supported directly upon grade if the capacity does not exceed five thousand gallons and the ratio of height to diameter or width does not exceed 2:1. (7) Platforms, walks and driveways not more than thirty inches above grade and not over or surcharging any basement or story below. (8) Painting, papering and similar finish work, including color or texture coating of exterior plaster. (9) Flooring when installed on a concrete floor slab or when weighing not more that four pounds per square foot or replacing the same weight per square foot. (10) Temporary motion picture, television and theater stage sets and scenery. (11) Window awnings supported by an exterior wall when projecting not more than fifty-four inches for one and two family dwellings and their accessory structures. 15 (12) Prefabricated swimming pools accessory to one and two family dwellings in which the pool walls are entirely above the adjacent grade and the capacity does not exceed five thousand gallons. (d) Work Exempt from a Grading Permit. A grading permit is not required for the following: (1) Any grading work authorized by a valid combination-building permit. (~-} ~ An excavation below finished grade for basements and footings of a building, retaining wall or other structure authorized by a valid building permit. E2) ~ Cemetery graves. {-~} ~ Refuse disposal sites controlled by other regulations. {4) ~ Excavations for wells or tunnels or utilities. (5} ~ Mining, quarrying, excavating, processing or stockpiling of rock, sand, gravel, aggregate or clay where established and provided for by law, provided such operations do not affect the lateral support or increase the stresses in or pressure upon any adjacent or contiguous property. ~) ~ Exploratory excavations under the direction geotechnical engineers or engineering geologists. (~} ~ An excavation that is less than two feet in depth or does not create a cut slope greater than five feet in height and steeper than one unit vertical in one and one-half units horizontal (sixty-six and seven-tenths percent slope). ~} j9) A fill less than one foot in depth and placed on natural terrain with a slope flatter than one unit vertical in five units horizontal (twenty percent slope), or less than three feet in depth, not intended to support structures, that does not exceed fifty cubicyards on any one lot and does not obstruct a drainage course. 16 (e) Work Exempt from Plumbing Permit. A plumbing permit shall hot be required for the following: (1) Any plumbing work authorized by a valid combination-building permit. {a-} ~ The stopping of leaks in drains, soil, waste or vent pipe, provided, however, that should any concealed trap, drain pipe, soil, waste or vent pipe become defective and it becomes necessary to remove and replace the same with new material, the same shall be considered as new work and a permit shall be procured and inspection made as provided in this Code. ~} ~ The clearing of stoppages or the repairing of leaks in pipes, valves or fixtures, nor for the removal and reinstallation of water closets, provided such repairs do not involve or require the replacement or rearrangement of valves, pipes or fixtures. (f) Work Exempt from Electrical Permit. An electrical permit shall not be required for the following: (1) Any electrical work authorized by a valid combination-building permit. (2) Portable motors or other portable appliances energized by means of a cord or cable having an attachment plug end to be connected to an approved receptacle when the Electrical Code permits that cord or cable. (3) Repair or replacement of fixed motors, transformers or fixed approved appliances of the same type and rating in the same location. (4) Temporary decorative lighting. (5) Repair or replacement of current-carrying parts of any switch, contactor or control device. (6) Reinstallation of attachment plug receptacles, but not the outlets therefor. 17 (7) Repair or replacement of any over-current device of the required capacity in the same location. (8) Repair or replacement of electrodes or transformers of the same size and capacity for signs or gas tube systems. (g) Taping joints (10) Removal of electrical wiring. (11) Temporary wiring for experimental purposes in suitable experimental laboratories. (12) The wiring for temporary theater, motion picture or television stage sets. (13) Electrical wiring, devices, appliances, apparatus or equipment operating at less than twenty-five volts and not capable of supplying more than fifty watts of energy. (14) Low-energy power, control and signal circuits of Class II and Class III as defined in the Electrical Code. (15) Installation, alteration or repair of electrical wiring, apparatus or equipment or the generation, transmission, distribution or metering of electrical energy or in the operation of signals or the transmission of intelligence by a public or private utility in the exercise of its function as a serving utility. (g) Work Exempt from Mechanical Permit. A mechanical permit shall not be required for the following: (1) Any mechanical work authorized by a valid combination-building permit. (2) Portable heating appliance, ventilating equipment, cooling unit or evaporative cooler. (3) Closed system of steam, hot or chilled water piping within heating or cooling equipment regulated by the Mechanical Code. 18 (4) Replacement of any component part of assembly of an appliance that does not alter its original approval and complies with other applicable requirements of the technical codes. (5) Refrigerating equipment that is part of the equipment for which a permit has been issued pursuant to the requirements of the technical codes. (6) A unit refrigerating system as defined in the Mechanical Code. SECTION 5. Section 8.12.010 of the Santa Monica Municipal Code is hereby amended to read as follows: 8.12.010 Adoption. That certain document entitled "California Building Code, 200-7 2010 Edition, which adopts by reference the International Building Code, X896 2009 Edition, as published by the California Building Standards Commission and the International Code Council including "Seismic Hazard Maps," as published by the United States Geological Survey (excluding Chapter 1 Division II, 16A, 17A, 18A, 19A, 21A, 22A), including Chapter 1, Division I, Appendices I, J, are hereby adopted with the local amendments and provisions of this Chapter, and with Chapters 8.16, 8.20 and 8.48 through 8.84 of the Santa Monica Municipal Code, as the Building Code of the City of Santa Monica. SECTION 6. Section 8.12.030 of the Santa Monica Municipal Code is hereby repealed. Th f II ~+., ...J.,..J c. he~eh.. -,.d.,.++~.d h.~ .efe ~e....o oc ]9 SECTION 7. Section 8.12.040 of the Santa Monica Municipal Code is hereby amended to read as follows: 8.12.040 Essential facilities. The following facilities are designated as essential facilities, which are necessary for emergency operations subsequent to a natural or man-made disaster: police stations, fire stations and City Hall. SECTION 8. Section 8.16.020. of the Santa Monica Municipal Code is hereby amended to read as follows: 8.16.020 General structural design provisions. (a) Tilt up Systems. Modify Section 12.2.1 of ASCE 7 by adding the following: 12.2.1.1 Determination of Seismic Force-Resisting Systems for Tilt-up Building. Tilt-up buildings bearing wall system and building frame system shall be classified as reinforced concrete structural wall system. Only special reinforced concrete structural walls shall be permitted in Seismic Design Categories D, E and F. 20 (b) Re-entrant Corners. Modify Section 12.12.4 of ASCE 7 by adding the following: 12.12.4.1 Re-entrant Corners. For buildings with re-entrant corners the return walls shall be considered for deformation compatibility with the diaphragm and shall be either seismically isolated from the diaphragm or attached by a connection of sufficient capacity to integrate their load into the diaphragm. (c) Minimum Base Shear. Revise equation 12.8-5 of ASCE 7 as follows: Cs = 0.044Spsl >_ 0.01 (d) P-Delta Effects. Revise equation 12.8-16 of ASCE 7 as follows: P~ B= ~;tea (e) Subdiaphragm Design. T"° ° ^f ^^^+:^„^,.° *"°° °"^" ^^* ° °°,+ 1613.13 ASCE 7, Section 12.11.2.2.3. Modify ASCE 7, Section 12.12.4 to read as follows: 12.11.2.2.3 Wood Diaphragms. In wood diaphragms, the continuous ties shall be in addition to the diaphragm sheathing. Anchorage shall not be accomplished by use of toe nails or nails subject to withdrawal nor shall wood ledgers or framing be used in cross-grain bending or cross-grain tension. The diaphragm sheathing shall not be considered effective as providing ties or struts required by this section. For structures assigned to Seismic Design Category D. E or F, wood diaphragms supporting concrete or masonry walls shall comply with the following: 21 1. The spacing of continuous ties shall not exceed 40 feet. Added chords of diaphragms may be used to form subdiaphragms to transmit the anchorage forces to the main continuous crossties. 2. The maximum diaphragm shear used to determine the depth of the subdiaphragm shall not exceed 75% of the maximum diaphragm shear. (f) Building Separations. Delete Section 12.12.3 of ASCE 7 and amend Equation 16-44 of Section 1613.6.7 of the 2010 California Building Code to read as follows: d Q~~'Irl'r... C All c+r + h'n f #n ~n4 h..ll h Taaz~-~.;.a;,,~~epa~tier~s-,~,~s--o;--~r~;~rrs-ores ~„~--~ ~~ ~.i#V. n c'rlnr.~+'nn fnr hn#h 4r.n ncl.n4'n nl nnrJ rnM+Innnl rl'cnlonomon#c n r[ uihfnh fA2%r~°r^~^ n +hn m m .Jnflnnfinn of Invni v ~# #hn Inn~,#'n c'rJe rerl r - ~d~$ ~~ _ _ 1 /Cn~~n+~nn 1R AG\ PAF gg rr ~2 rr ~2 _"'E[r - ~an~TC°3rtata~ /cn„~#;nn aF nFi ,~,~n~~g~ .~ o +hn m nlnc.+.n recnnncn rl'cnl.,nmm~n#c of !. ~'~ en+ c#n ~ntvr chMll-°I~~ bn cnt bw~L from +he rn oh.. I'ne h.. nt L.nct tl~iv° rl~i____m n r~ ~.. ., .. .,.. .. p.~..p... .y ~~~....y ..u., -r,...vr_r-vpq_ 1613.6.7 Minimum distance for building separation. All buildings and structures shall be separated from adioining structures. Separation shall allow for the maximum inelastic response displacement (SI„I~S~,I shall be determined at the critical locations with consideration for both translational and torsional displacements of the structure using Equation 16-44 22 8M = C a~ (Equation 16-44) where: Cd =Deflection amplification factor in Table 12.2-1 of ASCE 7. ~„ax =Maximum displacement defined in Section 12.8.4.3 of ASCE 7. Adjacent buildings on the same propertv shall be separated by a distance not less than ~„~T determined by Equation 16-45. ~~ ~~a° ~~ + ~~)a E uation 76-45 Where: 5~,~~ and 5~,~2 = The maximum inelastic response displacements of the adjacent buildings in accordance with Equation 16-44. Where a structure adjoins a propertv line not common to a public way. the structure shall also be set back from the property line by not less than the maximum inelastic response displacement, 5~,~ of that structure. (g) Vertical Combination of Lateral Force Resisting Systems. Modify ASCE 7 Section 12.2.3.1 Exception 3 to read as follows: 3. Detached one- and two-family dwellings up to two stories in height of light frame construction. (h) Buckling Restrained Braced Frame System. Correct values per ASCE 7 Table 12.8-2 as follows: Structure Type Gf Ct X Eccentrically braced steel frames and 8-03 0.75 23 buckling-restrained braced frames ~ 0.03 Assumption of Flexible Diaphragm. Exception: For buildings two stories or less in height with diaphragm constructed of wood structural panels, the cantilevered portion is permitted to be idealized as flexible, provided the length of the overhang does not exceed fifteen percent of the dimension between the lateral force resisting lines of resistance adjacent to the cantilevered portion in the direction considered. Nor shall the overhang dimension exceed twenty- five percent of the width of the diaphragm, where the width is the dimension perpendicular to the direction of applied lateral force. (i) Suspended ceilings. Add Section 9613.16 to Chapter 16 of the 2010 California Building Code to read as follows: 1613.16 Suspended Ceilings. Minimum design and installation standards for suspended ceilings shall be determined in accordance with the requirements of Section 2506.2.1 of this Code and this subsection. 1613.16.1 Scope. This part contains special requirements for suspended ceilings and lightinq systems. Provisions of Section 13.5.6 of ASCE 7 shall apply except as modified herein. 1613.16.2 General. The suspended ceilings and lightinq systems shall be limited to 6 feet (1828 mm) below the structural deck unless the lateral bracing is designed by a licensed engineer or architect. 1613.16.3 Design and Installation Requirements. 1613.16.3.1 Bracing at Discontinuity. Bracing to the structure shall be provided at changes in the ceiling plane elevation or at discontinuities in the ceiling grid system. 1613.16.3.2 Support for Appendages. Cable trays, electrical conduits and 24 piping shall be independently supported and independently braced from the structure. 1613.16.3.3 Sprinkler Heads. All sprinkler heads (drops) except fire-resistance- rated floor/ceiling or roof/ceiling assemblies, shall be designed to allow for free movement of the sprinkler pipes with oversize rings, sleeves or adaptors through the ceiling the in accordance with Section 13.5.6.2.2 (e) of ASCE 7. Sprinkler heads penetrating fire-resistance-rated floorlceiling or roof/ceiling assemblies shall comply with Section 713 of this Code. 1613.16.3.4 Perimeter Members. A minimum wall angle size of at least a two inch (51 mm) horizontal leg shall be used at perimeter walls and interior full height partitions. The first ceiling the shall maintain 3/4 inch (19 mm) clear from the finish wall surface. An equivalent alternative detail that will provide sufficient movement due to anticipated lateral building displacement may be used in lieu of the long leg angle subject to the approval of the Building Officer. 1613.16.4 Special Requirements for Means of Egress. Suspended ceiling assemblies located along means of egress serving an occupant load of 30 or more shall comply with the following provisions. 1613.16.4.1 General. Ceiling suspension systems shall be connected and braced with vertical hangers attached directly to the structural deck along the means of egress serving an occupant load of 30 or more and at lobbies accessory to Group A Occupancies. Spacing of vertical hangers shall not exceed 2 feet (610 mm) on center along the entire length of the suspended ceiling assembly located along the means of egress or at the lobby. 1613.16.4.2 Assembly Device. All lay-in panels shall be secured to the suspension ceiling assembly with two hold-down clips minimum for each the within a 4- 25 foot (1219 mm) radius of the exit lights and exit signs. 1613.16.4.3 Emergency Systems. Independent supports and braces shall be provided for light fixtures required for exit illumination. Power supply for exit illumination shall comply with the requirements of Section 1006.3 of this Code. 1613.16.4.4 Supports for Appendage. Separate support from the structural deck shall be provided for all appendages such as light fixtures, air diffusers, exit signs, and similar elements. (k) Special Inspection for Concrete Construction. Amend Section 1704.4 of the 2010 California Building Code to read as follows: 1704.4 Concrete Construction. The special inspections and verifications for concrete construction shall be as required by this section and Table 1704.4. Exceptions: Special inspection shall not be reauired for: 1. Isolated spread concrete footings of buildings three stories or less above grade plane that are fully supported on earth or rock, where the structural design of the footing is based on a specified compressive strength, f'~, no greater than 2,500 pounds per square inch (psi) (17.2 Mpa). 2. Continuous concrete footings supporting walls of buildings three stories or less in height that are fully supported on earth or rock where: 2.1. The footings support walls of light-frame construction; 2.2. The footings are designed in accordance with Table 1805.4.2; or 2.3. The structural design of tiie footing is based on a specified compressive strength, f'~, no greater than 2,500 pounds per square inch (psi) (17.2 Mpa), regardless of the compressive strength specified in the construction documents or used in the footing construction. 26 3 Nonstructural concrete slabs supported directly on the ground, including prestressed slabs on grade, where the effective prestress in the concrete is less than 150 psi (1.03 Mpa). 4. Concrete patios, driveways and sidewalks, on grade. (p Driven Deep Foundations. Amend Section 1704.8 of the 2010 California Building Code to read as follows: 1704.8 Driven deep foundations and connection Grade beams. Special inspections shall be performed during installation and testing of driven deep foundation elements as required by Table 1704.8. Special inspections shall be performed for connection grade beams in accordance with Section 1704.4 for structures assigned to Seismic Design Category D, E or F. The approved geotechnical report, and the construction documents prepared by the registered design professionals, shall be used to determine compliance. (m) Cast-In Place Deep Foundations. Amend Section 1704.9 of the 2010 California Building Code to read as follows: 1704.9 Cast-in-place deep foundations and connection grade beams. Special inspections shall be performed during installation and testing of cast-in-place deep foundation elements as required by Table 1704.9. Special inspections shall be performed for connection grade beams in accordance with Section 1704.4 for structures assigned to Seismic Design Category D, E or F. The approved geotechnical report; and the construction documents prepared by the registered design professionals, shall be used to determine compliance. (n) Seismic Resistance Inspection. Amend Section 1705.3 of the 2010 California Building Code to read as follows: 27 1705.3 Seismic resistance. The statement of special inspections shall include seismic requirements for cases covered in Sections 1705.3.1 through 1705.3.5. Exception: Seismic requirements are permitted to be excluded from the statement of special inspections for structures designed and constructed in accordance with the following: 1. The structure consists of light-frame construction; the design spectral response acceleration at short periods, Sps, as determined in Section 1613.5.4, does not exceed 0.5g; and the height of the structure does not exceed 35 feet (10 668 mm) above grade plane; or 2. The structure is constructed using a reinforced masons/ structural svstem or reinforced concrete structural svstem; the design spectral response acceleration at short periods Sos, as determined in Section 1613.5.4, does not exceed 0.5g, and the height of the structure does not exceed 25 feet (7620 mm) above grade plane; or 3. Detached one- or two-family dwellings not exceeding two stories above grade plane, provided the structure is not assigned to Seismic Design Category D, E or F and does not have any of the following plan or vertical irregularities in accordance with Section 12.3.2 of ASCE 7: 3.1 Torsional irregularity. 3.2 Nonparallel systems. 3.3 Stiffness irregularity-extreme soft story and soft story. 3.4 Discontinuity in capacity-weak story. lo) Structural Observation -General. Amend Section 1710.1 of the 2010 California Building Code to read as follows: 1710.1 General. Where required by the provisions of Section 1710.2 or 1710.3, 28 the owner shall emgloy structural observer to perform structural observations as defined in Section 1702. The structural observer shall be one of the following individuals: 1. The registered design professional responsible for the structural design, or 2. A registered design professional designated by the registered design professional responsible for the structural design. Prior to the commencement of observations, the structural observer shall submit to the building official a written statement identifying the frequency and extent of structural observations. The owner or owner's representative shall coordinate and call a preconstruction meeting between the structural observer, contractors, affected subcontractors and special inspectors. The structural observer shall preside over the meeting. The purpose of the meeting shall be to identify the major structural elements and connections that affect the vertical and lateral load resisting systems of the structure and to review scheduling of the required observations. A record of the meeting shall be included in the report submitted to the building officer. Observed deficiencies shall be reported in writing to the owner or owner's representative, special inspector, contractor and the building official. Upon the form prescribed by the building official, the structural observer shall submit to the building official a written statement at each significant construction stage stating that the site visits have been made and identifying any reported deficiencies which, to the best of the structural observer's knowledge, have not been resolved. A final report by the structural observer which states that all observed deficiencies have been resolved is required before acceptance of the work by the building official. (p) Structural Observation -Seismic. Amend Section 1710.2 of the 2010 29 Edition of the California Building Code are amended to read as follows: 1710.2 Structural observation for seismic resistance. Structural observations shall be provided for those structures assigned to Seismic Design Category D, E or F, as determined in Section 1613 where one or more of the following conditions exist: 1. The structure is classified as Occupancy Category III or IV in accordance with Table 1604.5. 2. The height of the structure is greater than 75 feet (22860 mm) above the base. 3. The structure is classified as Occupancy Category I or II in accordance with Table 1604.5, and a lateral design system is required to be designed by a registered designed professional. Exception: One-story wood framed Group R-3 and Group U Occupancies less than 2000 square feet in area; provided the adjacent grade is not steeper than 1 unit vertical in 10 units horizontal (10% sloped), assigned to Seismic Design Category D. 4. When so designated by the registered design professional responsible for the structural design. 5. When such observation is specifically required by the building official. SECTION 9. Section 8.16.030 of the Santa Monica Municipal Code is hereby amended to read as follows: 8.16.030 Foundations. (a) General. Modify Section 1805.1 of the California Building Code as follows: 30 1805.1 General. The top surface of footings shall be level. The bottom surface of footings is permitted to have a slope not exceeding one unit vertical in ten units horizontal (ten percent slope). Footings shall be stepped where it is necessary to change the elevation of the top surface of the footing or where the surface of the ground slopes more than one unit vertical in ten units horizontal (ten percent slope). This stepping requirement shall also apply to the top surface of grade beams supporting walls. Footings shall be reinforced with minimum of four one-half-inch diameter (12.7 mm) deformed reinforcing bars. Two bars shall be place at the top and bottom of the footings as shown in Figure 1805.1 of this code. .> b ~~ .. ®~ ~~ ~.. ~ Figure 1805.1 (b) Footing for Interior Bearing Walls. Modify Table 1805.4.2 of the California Building Code by deleting Footnote c. (c) Wood and Timber Footing. Delete Sections 1805.4.5 and 1805.4.6 of the California Building Code in their entirety. (d) Delete Section 1805.5 of the California Building Code in its entirety and replace with the following: 1805.5 Foundation Walls. Concrete and masonry foundation walls exceeding eighteen inches in height shall be designed in accordance with Chapter 19 or 21 of the California Building Code, respectively. 31 1805.5.1 Foundation Wall Drainage. Foundation walls shall be designed to support the weight of the full hydrostatic pressure of unretained backfill unless a drainage system in accordance with Sections 1807.4.2 and 1807.4.3 is installed. (e) Permanent wood foundation svstems. Amend Section 1807.1.4 of the 2010 California Building Code to read as follows: 1807.1.4 Permanent wood foundations systems. Permanent wood foundation svstems shall be designed and installed in accordance with AF&PA PWF. Lumber and plywood shall be treated in accordance with AWPA U1 (Commodity Specification A. Use Category 4B and Section 5.2) and shall be identified in accordance with Section 2303.1.8.1. Permanent wood foundation systems shall not be used for structures assigned to Seismic Design Category D, E or F. (fl Prescriptive design of foundation walls. Amend Section 1807.1.6 of the 2010 California Building Code to read as follows: 1807.1.6 Prescriptive design of concrete and masonry foundation walls. Concrete and masonry foundation walls that are laterally supported at the top and bottom shall be permitted to be designed and constructed in accordance with this section. Prescriptive design of foundation walls shall not be used for structures assigned to Seismic Design Category D, E or F Ig) Prescriptive footings. Amend Section 1809.7 and Table 1809.7 of the 2010 Edition of the California Building Code are amended to read as follows: 1809.7 Prescriptive footings for light-frame construction. Where a specific design is not provided, concrete or masonry-unit footings supporting walls of light-frame construction shall be permitted to be desighed in accordance with Table 1809.7. Prescriptive footings in Table 1809.7 shall not exceed one story above grade plane for 32 structures assigned to Seismic Design CategoN D, E or F. TABLE 1809.7 PRESCRIPTIVE FOOTINGS SUPPORTING WALLS OF LIGHT-FRAME CONSTRUCTION a, b, c, d, e NUMBER OF FLOORS SUPPORTED WIDTH OF THICKNESS OF BY THE FOOTING ` FOOTING inches FOOTING inches 1 12 6 2 15 6 3 18 8 Q For SI: 1 inch = 25.4 mm. 1 foot = 304.8 mm a. Depth of footings shall be in accordance with Section 1809.4. b. The ground under the floor shall be permitted to be excavated to the elevation of the top of the footing. c. See Section 1908 for additional requirements for concrete footings of structures assigned to Seismic Design Category C, D, E or F. d. For thickness of foundation walls, see Section 1807.1.6. e. Footings shall be permitted to support a roof addition to the stipulated number of floors. Footings supporting roof only shall be as required for supporting one floor. (h) Timber footings. Amend Section 1809.12 of the 2010 California Building Code 33 to read as follows: 1809.12 Timber footings. Timber footings shall be permitted for buildings of Type V construction and as otherwise approved by the building official. Such footings shall be treated in accordance with AWPA U1 (Commodity Specification A. Use Category 4B). Treated timbers are not required where placed entirely below permanent water level, or where used as capping for wood piles that project above the water level over submerged or marsh lands. The compressive stresses perpendicular to grain in untreated timber footing supported upon treated piles shall not exceed 70 percent of the allowable stresses for the species and grade of timber as specified in the AF&PA NDS. Timber footings shall not be used in structures assigned to Seismic Design Category D, E or F. Timber. Amend Section 18010.3.2.4 of the 2010 Edition of the California Building Code to read as follows: 1810.3.2.4 Timber. Timber deep foundation elements shall be designed as piles or poles in accordance with AF&PA NDS. Round timber elements shall conform to ASTM D 25. Sawn timber elements shall conform to DOC PS-20. Timber deep foundations shall not be used in structures assigned to Seismic Design Category D. E or F. SECTION 10. Section 8.16.040 of the Santa Monica Municipal Code is hereby amended to read as follows: 8.16.040 Concrete. (a) Structural Plain (Unreinforced) Concrete. Delete Sections a-998:1-14, X908-a-~ 1908.1.8, 1909 of the California Building Code in their entirety ^^~'e 34 a-98`~and replace with following: 1909.1 Scope. Plain concrete shall not be used other than as fill. The minimum specified compression strength of concrete used as fill shall be one thousand five hundred psi (10.3 MPa) at twenty-eight days. (b) Concrete Special Moment Frame Column Confinement. (1) Modify ACI 318 Section 21.4.4.1 by adding a new item as follows: 21.4.4.1(f). Where the calculated point of contraflexure is not within the middle half of the member clear height, provide transverse reinforcement as specified in AC 1318 Sections 21.4.4.1, -Items (a) through (c), over the full height of the member. (2) Modify ACI 318 by adding Section 21.4.4.7 as follows: 21.4.4.7. At any section where the design strength, cpPn, of the column is less than the sum of the shears Ve computed in accordance with ACI 318 Sections 21.3.4.1 and 21.4.5.1 for all the beams framing into the column above the level under consideration, transverse reinforcement as specified in ACI 318 Sections 21.4.4.1 through 21.4.4.3 shall be provided. For beams framing into opposite sides of the column, the moment components may be assumed to be of opposite sign. For the determination of the design strength, cpPn, of the column, these moments may be assumed to result from the deformation of the frame in any one principal axis. (c) Special Reinforced Concrete WaII Capacity. (1) Modify ACI 318 by adding Section 21.7.4.6 as follows: 21.7.4.6. Walls and portions of walls with Pu > 0.35Po shall not be considered to contribute to the calculated strength of the structure for resisting earthquake-induced forces. Such walls shall conform to the requirements of ACI 318 Section 21.11. (d) Reinforced Concrete Diaphragms. 35 (4) Modify ACI 318 Section 21.9.4 by adding the following: 21.9.4.1. Collector and boundary elements in topping slabs placed over precast floor and roof elements shall not be less than three inches (76 mm) or six db thick, where db is the diameter of the largest reinforcement in the topping slab. (e) Tilt Up Buildings. Modify Section 1908.1.4 of the California Building Code as follows: 21.2.1.4. For structures assigned to Seismic Design Category D, E or F, special moment frames, special reinforced concrete structural walls, diaphragms and trusses and foundations complying with Sections 21.2 through Sections 21.10 shall be used to resist forces induced by earthquake motions. Members not proportioned to resist earthquake forces shall comply with Section 21.11. (f) Deflection of Slender Walls. (1) Modify equation (14-7) of ACI 318 Section 14.8.3 as follows: I~, shall be calculated by Equation (14-7), and Ma shall be obtained by iteration of deflections. I _~~~+p h~d_e~+~'c' fy 2d 3 (14-7) and the value EslE~ shall not be taken less than six. (2) Modify ACI 318 Section 14.8.4 as follows: 14.8.4. Maximum out-of-plane deflection, 4s, due to service loads, including P4 effects, shall not exceed /150. If Ma, maximum moment at mid-height of wall due to service lateral and eccentric loads, including P4 effects, exceed (2/3)M~~, As shall be calculated by Equation (14-8): 36 2 ~-~`~ z Ma-~t1~ j1 where: ~~°~g and p tISE~Ia (14-8) If Ma does not exceed (2/3)M~r, 4S shall be calculated by Equation (14-9): 6s - lea Jd~ (14 9) (q) Reinforcement. Amend Section 1908.1 to read as shown below and add Sections 1908.1.11 through 1908.1.14 to Chapter 19 of the 2010 California Building Code to read as follows: 1908.1 General. The text of ACI 318 shall be modified as indicated in Sections 1908.1.1 through 1908.1.14. 1908.1.11 ACI 318. Section 21.6.4.1. Modify ACI 318, Section 21.6.4.1, to read as follows: Where the calculated point of contraflexure is not within the middle half of the member clear height, provide transverse reinforcement as specified in ACI 318 Sections 21.6.4.1 Items (a) through (c) over the full height of the member. 1908.1.12 ACI 318, Section 21.6.4. Modify ACI 318, Section 21.6.4, by adding Section 21.6.4.8 to read as follows: 21.6.4.8 - At any section where the design strength, cnP~, of the column is less than the sum of the shears Ve computed in accordance with ACI 318 Sections 21.5.4.1 37 and 21.6.5.1 for all the beams framing into the column above the level under consideration, transverse reinforcement as specified in ACI 318 Sections 21.6.4.1 through 21.6.4.3 shall be provided. For beams framing into opposite sides of the column, the moment components may be assumed to be of opposite sign. For the determination of the design strength, cnP~, of the column, these moments may be assumed to result from the deformation of the frame in any one principal axis. 1908.1.13 ACI 318, Section 21.9.4. Modify ACI 318, Section 21.9.4, by adding Section 21.9.4.6 to read as follows: 21.9.4.6 -Walls and portions of walls with P~ > 0.35Po shall not be considered to contribute to the calculated strength of the structure for resisting earthquake-induced forces. Such walls shall conform to the requirements of ACI 318 Section 21.13. 1908.1.14 ACI 318, Section 21.11.6. Modify ACI 318, Section 21.11.6, by adding the following: Collector and boundary elements in topping slabs placed over precast floor and roof elements shall not be less than 3 inches (76 mm) or 6 db thick, where db is the diameter of the largest reinforcement in the topping slab. (h) Intermediate structural wall. -Amend Section 1908.1.2 of the 2010 California Building Code to read as follows: 1908.1.2 ACI 318, Section 21.1.1. Modify ACI 318, Sections 21.1.1.3 and 21.1.1.7 as follows: 21.1.1.3 -Structures assigned to Seismic Design Category A shall satisfy requirements of Chapters 1 to 19 and 22; Chapter 21 does not apply. Structures assigned to Seismic Design Category B, C, D, E or F also shall satisfy 21.1.1.4 through 21.1.1.8, as applicable. Except for structural elements of plain concrete complying with 38 Section 1908.1.8 of the International Building Code, structural elements of plain concrete are prohibited in structures assigned to Seismic Design Category C, D, E or F. 21.1.1.7 -Structural systems designated as part of the seismic-force-resisting system shall be restricted to those permitted by ASCE 7. Except for Seismic Design Category A, for which Chapter 21 does not apply, the following provisions shall be satisfied for each structural system designated as part of the seismic-force-resisting system, regardless of the Seismic Design Category: (a) Ordinary moment frames shall satisfy 21.2. (b) Ordinary reinforced concrete structural walls and ordinary precast structural walls need not satisfy any provisions in Chapter 21. (c) Intermediate moment frames shall satisfy 21.3. (d) Intermediate precast structural walls shall satisfy 21.4. (e) Special moment frames shall satisfy 21.5 through 21.8. (fl Special structural walls shall satisfy 21.9. (g) Special structural walls constructed using precast concrete shall satisfy 21.10. All special moment frames and special structural walls shall also satisfy 21.1.3 through 21.1.7. Concrete tilt-up wall panels classified as intermediate precast structural wall system shall satisfy 21.9 in addition to 21.4.2 and 21.4.3 for structures assigned to Seismic Design Category D, E or F. Wall pier. Amend Section 1908.1.3 of the 2010 California Building Code to read as follows: 1908.1.3 ACI 318, Section 21.4. Modify ACI 318, Section 21.4, by renumbering Section 21.4.3 to become 21.4.4 and adding new Sections 21.4.3, 21.4.5, 21.4.6 and 39 21.4.7 to read as follows: 21.4.3 -Connections that are designed to yield shall be capable of maintaining 80 percent of their design strength at the deformation induced by the design displacement or shall use Type 2 mechanical splices. 21.4.4 -Elements of the connection that are not designed to yield shall develop at least 1.5 S,,. 21.4.5 -Wall piers in Seismic Design Category D, E or F shall comply with Section 1908.1.4 of this Code. 21.4.6 -Wall piers not designed as part of a moment frame in buildings assigned to Seismic Design Category C shall have transverse reinforcement designed to resist the shear forces determined from 21:3.3. Spacing of transverse reinforcement shall not exceed 8 inches (203 mm). Transverse reinforcement shall be extended beyond the pier clear height for at least 12 inches (305 mm). Exceptions: 1. Wall piers that satisfy 21.13. 2. Wall piers along a wall line within a story where other shear wall segments provide lateral support to the wall piers and such segments have a total stiffness of at least six times the sum of the stiffnesses of all the wall piers. 21.4.7 -Wall segments with a horizontal length-to-thickness ratio less than 2.5 shall be designed as columns. (i) Minimum reinforcement. Amend Section 1908.1.8 of the 2010 California Building Code to read as follows: 1908.1.8 ACI 318, Section 22.10. Delete ACI 318, Section 22.10, and replace with the following: 40 22.10 -Plain concrete in structures assigned to Seismic Design Category C, D, EorF. 22.10.1 -Structures assigned to Seismic Design Category C. D. E or F shall not have elements of structural plain concrete, except as follows: (a) Concrete used for fill shall comply with the requirement of Section 1909 of the California Building Code. (b) Isolated footings of plain concrete supporting pedestals or columns are permitted, provided the projection of the footing beyond the face of the supported member does not exceed the footing thickness. (c) Plain concrete footings supporting walls are permitted provided the footings have at least two continuous longitudinal reinforcing bars. Bars shall not be smaller than No. 4 and shall have a total area of not less than 0.002 times the gross cross-sectional area of the footing. A minimum of one bar shall be provided at the top and bottom of the footing. Continuity of reinforcement shall be provided at corners and intersections. In detached one- and two-family dwellings three stories or less in height and constructed with stud-bearing walls, plain concrete footings with at least two continuous longitudinal reinforcing bars not smaller than No. 4 are permitted to have a total area of less than 0.002 times the gross cross-sectional area of the footing. SECTION 11: Section 8.16.060 of the Santa Monica Municipal Code is hereby amended to read as follows: 8.16.060 Steel construction. ~ Special Concentrically Braced Frames (SCBF). Modify AISC 341 Part I, 41 Section 13.2 "~ by adding ^ °^*~^^ °° f^"^~^~° the following: 13.2f. Member Types. The use of rectangular HSS are not permitted for bracing members, unless filled solid with cement grout having a minimum compressive strength of two thousand five hundred psi at twenty-eight days. The effects of composite action in the, filled composite brace shall be considered in the sectional properties of the system where it results in the more severe loading condition or detailing. (bl Consumables for welding. Add Section 2204.1.1 to Chapter 22 of the 2010 California Building Code to read as follows: 2204.1.1 Consumables for welding. 2204.1.1.1 Seismic Force Resisting Svstem (SERB) welds. All welds used in members and connections in the SFRS shall be made with filler metals meeting the requirements specified in AWS D1.8 Clause 6.3. AWS D1.8 Clauses 6.3.5, 6.3.6, 6.3.7 and 6.3.8 shall apply only to demand critical welds. 2204.1.1.2 Demand critical welds. Where welds are designated as demand critical, they shall be made with filler metals meeting the requirements specified in AWS D1.8 Clause 6.3. SECTION 12. Section 8.16.070 of the Santa Monica Municipal Code is hereby amended to -read as follows: 8.16.070 Wood construction. (a) General fastener requirement. Amend Section 2304.9.1 and Table 2304.9.1 of the 2010 California Building Code to read as follows: 2304.9.1 General fastener requirements. Connections for wood members shall 42 be designed in accordance with the appropriate methodology in Section 2301.2. The number and size of fasteners connecting wood members shall not be less than-that set forth in Table 2304.9.1. Staple fasteners in Table 2304.9.1 shall not be used to resist or transfer seismic forces in structures assigned to Seismic Design Category D, E or F. (a-) ~ Retaining Walls. Section 2304.11.7 of the California Building Code is deleted in its entirety. ~) ~ Hold-down Connectors. 2305.5 Hold-down connectors. In Seismic Design Category D, E or F, hold- down connectors shall be designed to resist shear wall overturning moments using approved cvclic load values or 75 percent of the allowable seismic load values that do not consider cvclic loading of the product. Connector bolts into wood framing shall require steel plate washers on the post on the opposite side of the anchorage device. Plate size shall be a minimum of 0.229 inch by 3 inches by 3 inches (5.82 mm by 76 mm by 76 mm) in size. Hold-down connectors shall be tightened to finger tight plus one half (1/21 wrench turn lust prior to covering the wall framing. {~} ~ Shear Walls and Diaphragms. (1) Plaster and Gypsum Shear Walls. Shear capacities for walls sheathed 43 with lath, plaster or gypsum board shall be in accordance with Table 2306.4.5 and shear walls sheathed with lath, plaster or gypsum board shall be constructed in accordance with Section 2306.4.5.1 of the building code. Walls resisting seismic loads shall be subject to the limitations in Section 12.2.1 of ASCE 7. The allowable shear values shown in Table 2306.4.5 for materials in category 1 are limited to ninety pounds per foot (1.31 kN/m); material in category 2 through 4 are limited to thirty pounds per foot (438 N/m). (2) Shear Wall Capacity. Modify Section 2306.4.1 of the California Building Code as follows: 2306.4.1.. Wood Structural Panel Shear Walls. The allowable shear capacities for wood structural panel shear walls shall be in accordance with Table 2306.4.1. These capacities are permitted to be increased forty percent for wind design. No increase for sixteen inch on center stud spacing shall be allowed as indicated in Footnote d of Table 2306.4.1 ~i~i~~e~ s,.. , ,.,,,~ ~he.,~ , ,.,nom ,. ..~~.~~,.~e,r ..,~~h ~+~.,~e~ ~ti.,n h„ .o,~~~,.,,,~ ti„ For shear walls constructed with wood structural panels of three-ply construction, the maximum allowable shear shall be limited to two hundred pounds per foot. No value shall be given for wood structural sheathing applied over gypsum or plaster sheathing. (3) Construction. Section 2305.3.3 of the California Building Code is modified as follows: 2305.3.3 Construction. Wood shearwalls shall be constructed of wood structural panels manufactured with exterior glue and not less than four feet by eight feet (1,219 mm by 2,438 mm), except at boundaries and at changes in framing. All edges of all panels shall be supported by and fastened to framing members or blocking. Wood 44 structural panel thickness for shear walls shall not be less than three eighths inch thick and studs shall not be spaced at more than sixteen inches on center. (4) Fasteners. Fasteners for wood structural panel sheathing on shear walls and diaphragms shall be common nails with full heads unless otherwise approved. Mechanically driven common nails may be used when the fastener meets the same tolerances for head, shank and length allowed in ASTM 1667 for hand-driven nails. Staple fasteners shall not be used. Nails shall be placed a minimum of one-half inch from the panel edges and a minimum of one-half inch from the edge of the connecting members for shear greater than three hundred pounds per foot. (5) Limits on Rotation of Diaphragms. Except as permitted below, lumber and wood structural panel diaphragms shall not be considered as transmitting lateral forces by rotation. Transfer of lateral forces by rotation will be permitted for one-story, detached residential garages or similar Group U, Division 1 wood-framed structures with a maximum depth normal to the open side of twenty-five feet and a maximum width of twenty-five feet provided the diaphragm is not constructed of straight sheathing. {d} ~ Conventional Light Frame Construction. (1) Number of stories. Modify Section 2308 of the California Building Code as follows: 2308.12.1 Number of stories. Structures of conventional light-frame construction shall not exceed one story in height in Seismic Design Category D or E. (2) Braced Wall Line Support. Modify Section 2308.3.4 of the California Building Code as follows: 45 2308.3.4 Braced wall line support. Braced wall lines shall be supported by continuous foundations. (3) Braced Wall Line Sheathing. Modify Footnotes b and c of Table 2308.12.4 of the California Building Code as follows: (b) G-P =gypsum board, lath and plaster or gypsum sheathing boards attached to studs at maximum sixteen inches on center; S-W =wood structural panels of minimum 15/32 inch thickness attached to studs at maximum sixteen inches on center. (c) Nailing as specified below shall occur at all panel edges at studs, at top and bottom plates and, where occurring, at blocking: For one-half-inch gypsum board, 5d (0.113 inch diameter) cooler nails at seven inches on center; For 5/8-inch gypsum board, No. 11 gage (0.120 inch diameter) at seven inches on center; For gypsum sheathing board, one and three-quarter inches long by 7/16-inch head, diamond point galvanized nails at four inches on center; For gypsum lath, No. 13 gage (0.092 inch) by one and one-eighth inches long, 19/64- inch head, plasterboard at five inches on center; For Portland cement plaster, No. 11 gage (0.120 inch) by one and one-half inches long, 7/16-inch head at six inches on center; For S-W sheathing shall be nailed with 10d common nails, at 6:6:12. (4) Braced Wall Line Attachment. Modify Section 2308.12.5 of the California Building Code as follows: 2308.12.5 Attachment of sheathing. Fastening of braced wall panel sheathing shall not be less than that prescribed in Table 2308.12.4 or 2304.9.1. Wall sheathing 46 shall not be attached to framing members by adhesives. All braced wall panels shall extend to the roof sheathing and shall be attached to parallel roof rafters or blocking above with framing clips (18 gauge minimum) spaced at maximum twenty-four inches (6,096 mm) on center with four 8d common nails per leg (total eight 8d common nails per clip). Braced wall panels shall be laterally braced at each top corner and at maximum twenty-four inch (6,096 mm) intervals along the top plate of discontinuous vertical framing. Ifl Wood used in retaining wall. Amend Section 2304.11.7 of the 2010 California Building Code to read as follows: 2304.11.7 Wood used in retaining walls and cribs. Wood installed in retaining or crib walls shall be preservative treated in accordance with AWPA U1 (Commodity Specifications A or F) for soil and fresh water use. Wood shall not be used in retaining or crib walls for structures assigned to Seismic Design Category D, E or F. (g) Quality of nails. Add Section 2305.4 to Chapter 23 of the 2010 California Building Code to read as follows: 2305.4 Quality of Nails. In Seismic Design Category D, E or F, mechanically driven nails used in wood structural panel shear walls shall meet the same dimensions as that required for hand-driven nails, including diameter, minimum length and minimum head diameter. Clipped head or box nails are not permitted in new construction. The allowable design value for clipped head nails in existing construction may be taken at no more than the nail-head-area ratio of that of the same size hand-driven nails. Ih) Wood diaphragms. Add Tables 2306.2.1(3) and 2306.2.1(4) to Chapter 23 of the 2010 California Building Code and amend Section 2306.2.1 of the 2010 California Building Code to read as follows: 47 2306.2.1 Wood structural panel diaphragms. Wood structural panel diaphragms shall be designed and constructed in accordance with AF&PA SDPWS. Wood structural panel diaphragms are permitted to resist horizontal forces using the allowable shear capacities set forth in Table 2306.2.1(1) or 2306.2.1(2). For structures assigned to Seismic Design Category D, E or F, the allowable shear capacities shall be set forth in Table 2306.2.1(3) or 2306.2.1(4). The allowable shear capacities in Table 2306.2.1(1) or-2306.2.1(2) are permitted to be increased 40 percent for wind design.. Wood structural panel diaphragms fastened with staples shall not used to resist seismic forces in structures assigned to Seismic Design Category D, E or F. Exception: Staples may be used for wood structural panel diaphragms when the allowable shear values are substantiated by cyclic testing and approved by the building official. Wood structural panel diaphragms used to resist seismic forces in structures assigned to Seismic Design Category D. E or F shall be applied directly to the framing members. Exception: Wood structural panel diaphragm is permitted to be fastened over solid lumber planking or laminated decking, provided the panel joints and lumber planking or laminated decking joints do not coincide. 48 TABLE 2306.2.1(3) ALLOWABLE SHEAR (POUNDS PER FOOT) FOR WOOD STRUCTURAL PANEL DIAPHRAGMS WITH FRAMING OF DOUGLAS FIR-LARCH OR SOUTHERN PINEa FOR SEISMIC LOADINGf FOR STRUCTURES ASSIGNED TO SEISMIC DESIGN CATEGORY D, E OR F PANEL CDh964{3N kIJ6 I4hUtA fiNN. tbdf7A 691t11Lt}~It.~ BLOCKED DIRPNRA66BS UNBt~CKED PN MS .GRADE kAiL S1 F FASTEkER ENE7RA? N NOAgkAi P Et kOMINAL 1 ?N F Fastener saaaiaa iirvcbfs}atdiaahraam ~ tO P PR G .AN : ? S $Y 6 O ER poursdanfs ia3l aasfs9 of LanSnvaus itanel ~ - iN RbfiN t hes HICKRE S inch AM141kO MERdBEftS A? ADFOIkIkG edaas oara3lel to 7aad ses33.andaE all nf7fd es Casfs S.ffi Eas3enfrs aped E°maz. a4 sv Ked PANEL & d 2.,kc 2` E?=t.3. EDGES AND 1Na vnbta~cketl a3us~ar AilrMertm,finiaations HOUkDaRLP S' irwhfs Fasffrcxrspaciag{rtahes}a#atlxerpaaei edges :Caws?23 aaMd° canfinunus tioints pxrailN to iGses 23.. 3.5any;,¢} 6 6 d 3 8d i2 !.^. x t 3~8 3 '& 2 2?9 35TJ ~C`.`5. 6, C~'f 2='3 t8J $tN2ursi g~48t-t f '3 ~ ,4~~J, fr9J fi5 255 '~,1' !G^3des Fsd'F3'z L1 9S *~ 2 ~ 325 +2°a 545 '3II 285 3 S_, ?3'1 L~ _ , ~ 35.', ~ 3't5 £YA 328 245 Sy'(2"x ,t ,l~r _ 9$5 253 3'.5 «25 9~ t23 ~~ '-' 3e8 8 2t8 28+5 b29 i±5 9$'-Y 1-05 Sh= ihi $a .~5fi'x 18~§ - 2 3<9 b$8 S49 215 958 e ia. ~ .~-` s3. 2'8 ~ SS9 595 2-P. 'f~,ora-*td $d~trx 13,3 7;tb - 355 aa5 Iasi ¢_S 3~ rs 5 fir 9 939': 3 3§~. S' Se5 255 crs~es 3d3 ?4'x 13:8 'a 2?5 355 585 553 4 a 2 ~Ja.§?Yed r+l 2v9"4 a~~sz ~' L~g 555 5~5 ~ ~ K ~ ~~~~~ ~vv o-~e z tsar=ts-x } ~ F 2 lac say 5_5 555 2~5, t~5 5_f~'...3"; . - - ' $ 32z ,3g 55'v P3fi ~yM1 ai$ t8d~f"z 1 f~ 1982 ? 3~Q ~ 5k'yt ~ 3.~ 293 5 t._.. s$ ' ~ 48Q i29 £23 32~^. 2SD ALLOWABLE SHEAR (POUNDS PER FOOT) FOR WOOD STRUCTURAL PANEL. DIAPHRAGMS WITH FRAMING OF DOUGLAS FIR-LARCH, OR SOUTHERN PINEa FOR SEISMIC LOADINGf FOR STRUCTURES ASSIGNED TO SEISMIC DESIGN CATERGORY D, E OR F 49 MM ~ ~~.cE tr ; ~~ ~-- Ca'i5E a ~9 a tv. c, ~~_.r ..._ ~~ mm~~"" E ~ -_ x ~~ E I ~-1 1'' H I-! ~,- 4- l}5-; _? CRS a For SI: 1 inch = 25.4 mm, 1 pound per foot = 14.5939 Nlm. a. For framing of other species: (1) Find specific gravity for species of lumber in AF&PA NDS. (2) For nails find shear value from table above for nail size for actual grade and multiply value by the following adjustment factor: Specific Gravity Adjustment Factor = l1-(0.5-SG)1, where SG =Specific Gravitv of the framing lumber. This adjustment factor shall not be greater than 1. b. Space fasteners maximum 12 inches o.c. along intermediate framing members (6 inches o.c. where supports are spaced 48 inches o.c.). c. Framing at adioininq panel edges shall be 3 inches nominal or thicker, and nails at all panel edges shall be staggered where panel edge nailing is specified at 2 '/2 inches o.c. or less. d. Framing at adioininq panel edges shall be 3 inches nominal or thicker, and nails at all panel edges shall be staggered where both of the following conditions are met: (1) 10d nails having penetration into framing of more than 1 '/z inches and (2) panel edge nailing is specified at 3 inches o.c. or less. 50 e. The minimum nominal width of framing members not located at boundaries or adjoining panel edges shall be 2 inches. f. For shear loads of normal or permanent. load duration as defined by the AF&PA NDS, the values in the table above shall be multiplied by 0.63 or 0.56, respectively. 51 TABLE 2306.2.1(4) ALLOWABLE SHEAR (POUNDS PER FOOT) FOR WOOD STRUCTURAL PANEL BLOCKED DIAPHRAGMS UTILIZING MULTIPLE ROWS OF FASTENERS (HIGH LOAD DIAPHRAGMS) WITH FRAMING OF DOUGLAS FIR-LARCH OR SOUTHERN PINEa FOR SEISMIC LOADINGb,t,y FOR STRUCTURES ASSIGNED TO SEISMIC DESIGN CATERGORY D E OR F BLOCKED DFAPNRAGMS ~` MINIMUM NOMINAL Cases 1 and 7 ANEL COMMON FASTENER NhDTN OF FRAMING LINES C?F Fastener Saacinn Per time ai Baundaries troches} P NAIL SIZE PENETRATION PANEL MEMBERS AT ADJOINING FASTENERS ~~ IN FRAMRtG TN}CI£NE.SS PANEL EDGES AND d 3?~ inches i»ch €~,S°tinches} ~C~3RAR Fa to r 5 e I er acre[ Ed s . s 6 A_ 4 3 3 ~ _ 95 $75 .1 9`ia $ _ 700 915 taaa 7. 9 Q 3 $75 1. 85 Y 395 Strucheral i - ~ 16d 3 2 574 ~ 6 1,255 ce mon 11f2 1819=`32 494 3.110 :d ra rm A 3 _ 965 7 ~za 1.+05 9.790 3 ~ ? _ 1.454 1.3fi5 23732 d 55 1A?0 1. 7 3_oS5 ~ _ 1.~5. 1.30 1.525 7.800 3 2 525 ~ 765 9090 ShsatMOn 15=~2 d ,~ 875 875 1.70 single Moor 4 3 ?65 9.0 5 1 3 1.995 and e{trer 96d 3 2 5tl $ 9 1,22 ra CAmm6n 1'tt2 19;32 ~ 2 ~ 1.0 0 1.3?0 Inver=A in nai}s Q 9_5 1.294 7.385 9A. ~ DOC P51 and _ 2 711` 9~5 1 1 335 P62 26L?2 _ -0 ~ 1,0 0 - 1:175 . 4 3 1.020 1 d94 1.d 1.5 5 For SI: 1 inch = 25.4 mm, 1 pound per foot = 14.5939 N/m. a. For framing of other species: (1) Find specific gravity for species of lumber in AF&PA NDS. (2) For nails find shear value from table above for nail size for actual grade and multiply value by the following adiustment factor: Specific Gravity Adjustment Factor = f1-(0.5-SG)1. where SG =Specific Gravitv of the framing lumber. This adiustment factor shall not be greater than 1. b. Fastening along intermediate framing members: Space fasteners a maximum of 12 inches on center, except 6 inches on center for spans greater than 32 inches. 52 c. Panels conforming to PS1 or PS 2. d. This table gives shear values for Cases 1 and 2 as shown in Table 2306.2.1(3). The values shown are applicable to Cases 3 4 5 and 6 as shown in Table 2306.2.1(3), providing fasteners at all continuous panels edges are spaced in accordance with the boundary fastener spacing. e. The minimum nominal depth of framing members shall be 3 inches nominal. The minimum nominal width of framing members not located at boundaries or adjoining panel edges shall be 2 inches. f. High load diaphragms shall be subject to special inspection in accordance with Section 1704.6.1. g. For shear loads of normal or permanent load duration as defined by the AF&PA NDS the values in the table above shall be multiplied by 0.63 or 0.56, respectively. 53 TABLE 2306.2.1(4)-continued ALLOWABLE SHEAR (POUNDS PER FOOT1 FOR WOOD STRUCTURAL PANEL BLOCKED DIAPHRAGMS UTILIZING MULTIPLE ROWS OF FASTENERS (HIGH LOAD DIAPHRAGMS) WITH FRAMING OF DOUGLAS FIR-LARCH OR SOUTHERN PINEa FOR SEISMIC LOADINGb,t,9 FOR STRUCTURES ASSIGNED TO SEISMIC DESIGN CATERGORY D. E OR F ~..; _ I .5 ice" c ~ -. .. . ~ . :A^. ..1G;~~. 3 ~v~ y ~ ,..,„ ~_~ ~ ~. a q _: _ i ! g S ~+~ E <ti_* `++31"r. .... y?s, _ _- s t; ~O~E t~ 33 YT fir e __ i~ _..... _ .._ __. _t._. 54 T=.ni -_~r e'i1f43 ~C"-ti~lLrS!.GJktT'..^ii7vf.- ,t^w.y.'Yiv:n~if ~55t~ytjiss9Cmf±.'3 ,PAL:iK2ri Wood shear walls. Add Table 2306.3(2) to Chapter 23 of the 2010 California Building Code and amend Section 2306.3 and Table 2306.3 of the 2010 California Building Code to read as follows: 2306.3 Wood structural panel shear walls. Wood structural panel shear walls shall be designed and constructed in accordance with AF&PA SDPWS. Wood structural panel shear walls are permitted to resist horizontal forces using the allowable shear capacities set forth in Table 2306.3(1). For structures assigned to Seismic Design CategoN D, E or F, the allowable shear capacities shall be set forth in Table 2306.3(2). The allowable shear capacities in Table 2306.3(1) are permitted to be increased 40 percent for wind design. Wood structural panel shear walls used to resist seismic forces in structures assigned to Seismic Design-Category D, E or F shall not be less than 4 feet by 8 feet (1219 mm by 2438 mm), except at boundaries and at changes in framing. Wood structural panel thickness for shear walls shall not be less than 3/8 inch thick and studs shall not be spaced at more than 16 inches on center. The maximum allowable shear value for three-ply plywood resisting seismic forces in structures assigned to Seismic Design Category D, E or F is 200 pounds per foot (2.92 kn/m). Nails shall be placed not less than 1/2 inch (12.7 mm) in from the panel edges and not less than 3/8 inch (9.5mm) from the edge of the connecting members for shear greater than 350 pounds per foot (5.11kN/m). Nails shall be placed not less than 3/8 inch (9.5 mm) from panel edges and not less than 1/4 inch (6.4 mm) from the edge of the connecting members for shears of 350 pounds per foot (5.11 kN/m) or less. Wood structural panel shear walls used to resist seismic forces in structures assigned to Seismic Design Category D, E or F shall be applied directly to the framing members. 55 TABLE 2306.3(1) ALLOWABLE SHEAR (POUNDS PER FOOT) FOR WOOD STRUCTURAL PANEL SHEAR WALLS WITH FRAMING OF DOUGLAS FIR-LARCH OR SOUTHERN PINEa FOR WIND OR SEISMIC LOADINGb, n, ~'~' ~' m, n TABLE 2306.3(2) ALLOWABLE SHEAR (POUNDS PER FOOT) FOR WOOD STRUCTURAL PANEL SHEAR WALLS WITH FRAMING OF DOUGLAS FIR-LARCH OR SOUTHERN PINEa FOR SEISMIC LOADINGb, n, ~' k, i FOR STRUCTURES ASSIGNED TO SEISMIC DESIGN CATEGORY D, E OR F ~IINI~]U MI1~I1~'~,1~ ~~rrt~snt~tutr~rctt~tty ~vrr~~tm~tvi~ PANEL~RAt)E Nr31VII PLNA ANEL FAS7ENEI~ F~sier~rspeclrxi*~t PENETRAi"K}N IN r~nel e~Iges [irt~}~s1 THICKNESS tinch9 FFttINGtinclees,) C£I~N1L}N NAIL_S~E 6 d 3 2~ Sl~cturati ~t1$ sheaihinr~ °l5Y32 pI~TM~~tsrt„i5~,11L I Sag: axcec~tt~rour~ ;} 13B $d i2'd'~i1.1'I3"3 ?~ ~ 20Q ~ 2D0 For SI: 1inch = 25.4 mm, 1 foot = 25.4 mm, 1 pound per foot = 14.5939 N/m. a. For framing of other species: (1) Find specific gravity for species of lumber in AF&PA NDS. (2) For nails find shear value from table above for nail size for actual grade and multiply value by the following adiustment factor: Specific Gravity Adjustment Factor = (1-(0.5-SG)l. where SG =Specific Gravity of the framing lumber. This adiustment factor shall not be greater than 1. 56 b. Panel edges backed with 2-inch nominal or thicker framing. Install panels either horizontally or vertically. Space fasteners maximum 6 inches on center along intermediate framing members for 3!8-inch and 7/16-inch panels installed on studs spaced 24 inches on center. For other conditions and panel thickness, space fasteners maximum 12 inches on center on intermediate supports. c. 3/8-inch panel thickness or siding with a span rating of 16 inches on center is the minimum recommended where applied- direct to framing as exterior siding. For grooved panel siding, the nominal panel thickness is the thickness of the panel measured at the point of nailing. d. Allowable shear values are permitted to be increased to values shown for 15/32-inch sheathing with same nailing provided (a) studs are spaced a maximum of 16 inches on center, or (b) panels are applied with long dimension across studs. e. Framing at adioininq panel edges shall be 3 inches nominal or thicker, and nails shall be staggered where nails are spaced 2 inches on center or less. f. Framing at adioininq panel edges shall be 3 inches nominal or thicker, and nails shall be staggered where both of the following conditions are met: (1) 10d (3"x0.148") nails having penetration into framing of more than 1-1/2 inches and (2) nails are spaced 3 inches on center or less. g. Values apply to all-veneer plywood. Thickness at point of fastening on panel edges governs shear values. 57 h. Where panels applied on both faces of a wall and nail spacing is less than 6 inches o.c. on either side, panel joints shall be offset to fall on different framing .members. Or framing shall be 3-inch nominal or thicker at adjoining panel edges and nails at all panel edges shall be staggered. i. Where shear design values exceed 350 pounds per linear foot, all framing members receiving edge nailing from abutting panels shall not be less than a single 3-inch nominal member, or two 2-inch nominal members fastened together in accordance with Section 2306.1 to transfer the design shear value between framing members. Wood structural panel joint and sill plate nailing shall be staggered at all panel edges. See Section 4.3.6.1 and 4.3.6.4.3 of AF&PA SDPWS for sill plate size and anchorage requirements. j. Galvanized nails shall be hot dipped or tumbled. k. For shear loads of normal or permanent load duration as defined by the AF&PA NDS, the values in the table above shall be multiplied by 0.63 or 0.56, respectively. I. The maximum allowable shear value for three-ply plywood resisting seismic forces is 200 pounds per foot (2.92 kn/m). (i) Other shear walls. Amend Section 2306.7 of the 2010 California Building Code to read as follows: 2306.7 Shear walls sheathed with other materials. Shear walls sheathed with portland cement plaster, gypsum lath, gypsum sheathing or gypsum board shall be designed and constructed in accordance with AF&PA SDPWS. Shear walls sheathed 58 with these materials are permitted to resist horizontal forces using the allowable shear capacities set forth in Table 2306.7. Shear walls sheathed with Portland cement plaster, gypsum lath, gypsum sheathing or gypsum board shall not be used to resist seismic forces in structures assigned to Seismic Design Category E or F. Shear walls sheathed with lath, plaster or gypsum board shall not be used below the top level iri a multi-level building for structures assigned to Seismic Design Category D. (k) Brace wall line support. Amend Section 2308.3.4 of Chapter 23 of the 2010 California Building Code to read as follows: 2308.3.4 Braced wall line support. Braced wall lines shall be supported by continuous foundations.. Exception: For structures with a maximum plan dimension not over 50 feet (15240 mm), continuous foundations are required at exterior walls only for structures not assigned to Seismic Design Category D, E or F. (1) Concrete or masonry. Amend Section 2308.12.2 of Chapter 23 of the 2010 California Building Code to read as follows: 2308.12.2 Concrete or masonry. Concrete or masonry walls and stone or masonry veneer shall not extend above the basement. Exception: Stone and masonry veneer is permitted to be used in the first story above grade plane in Seismic Design Category D, provided the following criteria are met: 59 1. Type of brace in accordance with Section 2308.9.3 shall be Method 3 and the allowable shear capacity in accordance with Table 2306.4.1 .shall be a minimum of 350 plf (5108 N/m). 2. The bracing of the first story shall be located at each end and at least every 25 feet (7620 mm) o.c. but not less than 45 percent of the braced wall line. 3. Hold-down connectors shall be provided at the ends of braced walls for the first floor to foundation with an allowable design of 2,100 pounds (9341 N). 4. Cripple walls shall not be permitted. 5. Anchored masonry and stone wall veneer shall not exceed 5 inches (127 mm) in thickness, shall conform to the requirements of Chapter 14 and shall not extend more than 5 feet (1524 mm) above the first story finished floor. The height extending above the first story finished floor may be greater than 5 feet (1524mm) provided it is designed by a registered design professional and approved by the Building Officer. (m) Braced wall sheathing. Amend Section 2308.12.4 and Table 2308.12.4 of the 2010 California Building Code to read as follows: 2308.12.4 Braced wall line sheathing. Braced wall lines shall be braced by one of the types of sheathing prescribed by Table 2308.12.4 as shown in Figure 2308.9.3. The sum of lengths of braced wall panels at each braced wall line shall conform to Table 2308.12.4. Braced wall panels shall be distributed along the length of the braced wall line and start at not more than 8 feet (2438 mm) from each end of the braced wall line. Panel sheathing joints shall occur over studs or blocking. Sheathing shall be 60 fastened to studs, top and bottom plates and at panel edges occurring over blocking. Wall framing to which sheathing used for bracing is applied shall be nominal 2 inch wide [actual 1 ~/z_inch_ (38 mm)1 or larger members and spaced a maximum of 16 inches on center. Exception: Braced wall panels required by Section 2308.12.4 may be eliminated when all of the following requirements are met: 1. One story detached Group U occupancies not more than 25 feet in depth or length. 2. The roof and three enclosing walls are solid sheathed with 15132 inch nominal thickness wood structural panels with 8d common nails placed 3/8 inches from panel edges and spaced not more than 6 inches on center along all panel edges and 12 inches on center along intermediate framing members. Wall openings for doors or windows are permitted provided a minimum 4 foot wide wood structural braced panel with minimum height to length ratio of 2 to 1 is provided at each end of the wall line and that the wall line be sheathed for 50% of its length. Wood structural panel sheathing shall be a minimum of 15/32 inch thick nailed with 8d common placed 3/8 inches from panel edges and spaced not more than 6 inches on center and 12 inches on center alona intermediate framing members. Braced wall panel construction types shall not be mixed within a braced wall line. 61 TABLE 2308.12.4 WALL BRACING IN SEISMIC DESIGN CATEGORIES D AND E (Minimum Length of Wall Bracing per each 25 Linear Feet of Braced Wall Linea) SHEATHING 0.75 <_ Sn s CONDITION TYPEb Sos < 0.50 0.50 <Sns < 0.75 1.00 S ps > 1.00 G-P` 10 feet 8 inches 14 feet 8 inches 18 feet 8 inches 25 feet 0 inches One Stow S- 5 feet 4 inches 8 feet 0 inches 9 feet 4 inches 12 feet 0 inches For SI: 1 inch = 25.4 mm, 1 foot = 304.8 mm. a_ Minimum length of panel bracing of one face of the wall for S-W sheathing shall be at least 4'-0" long or both faces of the wall for G-P sheathing shall be at least 8'-0" long; h/w ratio shall not exceed 2:1. For S-W panel bracing of the same material on two faces of the wall, the minimum length is permitted to be one-half the tabulated value but the h/w ratio shall not exceed 2:1 and design for uplift is required. b. G-P =gypsum board, Portland cement plaster or gypsum sheathing boards• S-W = wood structural panels. c. Nailing as specified below shall occur at all panel edges at studs, at top and bottom plates and, where occurring, at blocking: For 1/2-inch gypsum board, 5d (0.113 inch diameter) cooler nails at 7 inches on center; For 5/8-inch gypsum board, No 11 gage (0.120 inch diameter) cooler nails at 7 inches on center; 62 For gypsum sheathing board, 1-3/4 inches long by 7/16-inch head, diamond point galvanized nails at 4 inches on center; For gypsum lath, No. 13 gage (0.092 inch) by 1-1/8 inches long, 19/64-inch head, plasterboard at 5 inches on center; For Portland cement plaster, No. 11 gage (0.120 inch) by 1'/2 inches long,'/,s- inch head at 6 inches on center; d. S-W sheathing shall be a minimum of 15/32" thick nailed with 8d common placed 3/8 inches from panel edges and spaced not more than 6 inches on center and 12 inches on center along intermediate framing members. In) Attachment of sheathing. Amend Section 2308.12.5 of the 2010 California Building Code to read as follows: 2308.12.5 Attachment of sheathing. Fastening of braced wall panel sheathing shall not be less than that prescribed in Table 2308.12.4 or 2304.9.1. Wall sheathing shall not be attached to framing members by adhesives. Staple fasteners in Table 2304.9.1 shall not be used to resist or transfer seismic forces in structures assigned to Seismic Design Category D, E or F. All braced wall panels shall extend to the roof sheathing and shall be attached to parallel roof rafters or blocking above with framing clips (18 gauge minimum) spaced at maximum 24 inches (6096 mm) on center with four 8d nails per leg (total eight 8d nails per clip). Braced wall panels shall be laterally braced at each top corner and at maximum 24 inch (6096 mm) intervals along the top plate of discontinuous vertical 63 framing. SECTION 13. Chapter 8.22 is hereby added to the Santa Monica Municipal Code to read as follows: Chapter 8.22 Residential Code. 8.22.010 Adoption. That certain document entitled "California Residential Code 2010 Edition, which adopts by reference the International Residential Code, 2009 Edition, as published by the California Building Standards Commission and the International Code Council (excluding Sections R102 through R114, R313), including Chapter 1. Division I, Section R101, are hereby adopted with local amendments and provisions of this Chapter of the Santa Monica Municipal Code, as the Residential Code of the City of Santa Monica. 8.22.020 Local amendments to the California Residential Code. Notwithstanding any provisions of the California Residential Code. California Buil_ding Standards Code, State Housing Law or other codes adopted by any Chapter in Article VIII of the Municipal Code to the contrary, the following local amendments shall apply. 64 8.22.030 General residential structural provisions. la) Woodframe structures. Amend Section R301.1.3.2 of the 2010 California Residential Code to read as follows: R301.1.3.2 Woodframe structures. The buildina official shall reauire construction documents to be approved and stamped by a California licensed architect or engineer for all dwellings of woodframe construction more than two stories and basement in height located in Seismic Design Category A B or C. Notwithstanding other sections the law, the law establishing these provisions is found in Business and Professions Code Section 5537 and 6737.1. The building official shall require construction documents to be approved and stamped by a California licensed architect or engineer for all dwellings of woodframe construction more than one story in height located in Seismic Design Category Do D} D or E. (b) Slopes steeper than 33-1 /3 percent. Add Section R301.1.4 to the 2010 California Residential Code to read as follows: R301.1.4 Seismic Design Provisions for Buildings Constructed On Or Into Slopes Steeper Than One Unit Vertical In Three Units Horizontal (33.3 Percent SIo e . The design and construction of new buildings and additions to existing buildings when constructed on or into slopes steeper than one unit vertical in three units horizontal (33.3 percent slope) shall comply with Section 1613.15 of the 2010 California 65 Building Code. (c) Irregular buildings. Amend Section F2301.2.2.2.5 to the 2010 California Residential Code to read as follows: R301.2.2.2.5 1. When exterior shear wall lines or braced wall panels are not in one plane vertically from the foundation to the uppermost story in which they are required. 2. When a section of floor or roof is not laterally supported by shear walls or braced wall lines on all edges. 3. When the end of a braced wall panel occurs over an opening in the wall below. 4. When an opening in a floor or roof exceeds the lesser of 12 feet (3658 mm) or 50 percent of the least floor or roof dimension. 5. When portions of a floor level are vertically offset. 6. When shear walls and braced wall lines do not occur in two perpendicular directions. 7. When stories above-grade partially or completely braced by wood wall framing in accordance with Section R602 or steel wall framing in accordance with Section R603 include masonry or concrete construction. (d) Application. Amend Section R501.1 of the 2010 California Residential Code to read as follows: R501.1 Application. The provision of this chapter shall control the design and 66 construction of the floors- for all buildings including the floors of attic spaces used to house mechanical or plumbing fixtures and equipment weighing less than 400 Ibs and maximum height of 4 feet above the floor or attic level. (e) Openings in horizontal diaphragms. Add Section R503.2.4 to Chapter 5 of the 2010 California Residential Code to read as follows: R503.2.4 Openings in horizontal diaphragms. Openings in horizontal diaphragms with a dimension perpendicular to the foist that is greater than 4 feet (1.2 m) shall be constructed in accordance with Figure R503.2.4. MET4l r,~ ,6a V}7 Z6-t6d C~tvtl -0Pr METALTtE 16:3.4. x i 7P2" z{OPE3iING W1D`H+4'.p"D MY+€., (z'7vraL7 Wf2Mf6f~GO~MON N0.1L5 Fw SF: 7 ncli..>_S.A mm Ifnrt ~34L8 mm. a. Blockings shall be provided beyond headers. 67 b. Metal ties not less than 0.058 inch f1.47 mm (16 galvanized gage)1 by 1.5 inches (38 mm) wide with eight 16d common nails on each side of the header-foist intersection. The metal ties shall have a minimum yield of 33,000 psi (227 MPa). c. Openings in diaphragms shall be further limited in .accordance with Section R301.2.2.2.5. Figure R503.2.4 6s (fl Bracing requirement. Amend Table R602.10.1.2(2) of the 2010 California Residential Code to read as follows: TABLE R602.10.1.2(2)a,h,c BRACING REQUIREMENTS BASED ON SEISMIC DESIGN CATEGORY (AS A FUNCTION OF BRACED WALL LINE LENGTH) SOIL CLASS Da WALL HEIGHT = 10 FT 10 PSF FLOOR DEAD LOAD 15 PSF ROOFICEILING DEAD LOAD BRACED WALL LINE SPACING <25FT INIMUM TOTAL LENGTH (feet) OF BRACED WALL PANELS REQUIRED ',, ALONG EACH BRACED WALL LINE ' Seismic Design Category (SDC) tory Location Braced Wall Line Length ethod LIB METHODS DWB, SFB,GB, PBS, PCP, HPS ethod WSP Continuous Sheathing 10 NP 6.0 2.0 1.7 20 NP 12.0 4.0 3.4 30 NP 18.0 6.0 5.1 40 NP 24.0 8.0 6.8 50 NP 30.0 10.0 8.5 10 NP NP 4.5 3.8 20 NP NP 9.0 7.7 SDC Do or D~ 30 NP NP 13.5 11.5 ~ _ 40 - NP NP 18.0 15.3 ~ 50 NP NP 22.5 19.1 10 NP NP 6.0 5.1 20 NP NP 12.0 10.2 /// { ~~~ ~ 30 NP NP 18.0 15.3 u 40 NP NP 24.0 20.4 u 50 NP NP 30.0 25.5 69 SOIL CLASS Da WALL HEIGHT = 10 FT 10 PSF FLOOR DEAD LOAD 15 PSF ROOFICEILING DEAD LOAD BRACED WALL LINE SPACING < 25FT INIMUM TOTAL LENGTH (feet) OF BRACED WALL PANELS REQUIRED ALONG EACH BRACED WALL LINE Seismic Design Category (SDC) tory Location Braced Wall Line Length ethod LIB METHODS DWB, SFB,GB, PBS, PCP, HPS - Method WSP Continuous Sheathing 10 NP 8.0 2.5 2.1 20 NP 16.0 5.0 4.3 /~ = 30 NP 24.0 7.5 6.4 B 40 NP 32.0 10.0 8.5 50 NP 40.0 12.5 10.6 10 NP NP 5.5 4.7 n 20 NP NP 11.0 9.4 SDC Dz { u ~ 30 NP NP 16.5 14.0 ~ ~ ] 40 NP NP 22.0 18.7 ~ ^ 50 NP NP 27.5 23.1 10 NP NP NP NP 20 NP NP NP NP 30 NP NP NP NP 40 NP NP NP NP 50 NP NP NP NP For SI: 1 foot = 304.8 mm, 1 pound per square foot = 47.89 Pa. a) Wall bracing lengths are based on a soil site class "D." Interpolation of bracing length between the Sds values associated with the seismic design categories shall be permitted when asite-specific Sds value is determined in accordance with Section 1613.5 of the California Building Code. b) Foundation cripple wall panels shall be braced in accordance with Section R602.10.9. c) Methods of bracing shall be as described in Sections R602.10.2, R602.10.4 and R602.10.5. d) Methods GB and PCP braced wall panel h/w ratio shall not exceed 1:1 in SDC Do D~, and D, Methods DWB, SFB, PBS, and HPS are not permitted in SDC Do~D1, and D2. ~o Ig) Intermittent Bracing Methods. Amend Table R602.10.2 of the 2010 California Residential Code to read as follows: TABLE R602.10.2 INTERMITTENT BRACING METHODSa 8d common (2 %2' x 0.131) nails at 6" spacing (panel edge) at 12" spacing (intermediate supports), 3/8" edge distance to panel edge } SG emnman i,27:"x 0.737)~is~ 8" i aoe3 at f2° ~ ;!3°.,fi #7e9d ~atzx2txal panel =~ = ~: t ~s 13i3T ~ + ~ ~ ~ spaa~ { uAem~edi~s~gporti} rs ,+s .xr si ~~ y;i ` 3!8°xd e dis#ar~ceugenef ec~e !' t ~~' g T~J 'gat mcu4i raafirig ~irfE a " '. ` ` " ~ w~B i~,~4s-~ .'7r masintvm t& at ~ +~, ,il° - ~'x~.'~t}s3aAs 6+;unxr.Km i2 E B~F~P t;+a7.tnt#tl.:eu~ iicd-sN+S at a'sy?~.§;g.parel ~rseFl .t £ sga.im~£uffnnsdaa:a sea6w*tsY Na,ia c: zcrtvrs ai 7" e{Facing ak 7aane-ee~es re+^lue~ig tc~ a~n6 ao~r~n Mattis k x: bwad aaH C~3`3 ,n, GXASt~~ab.u al" `~ $' 'Jat`~lcsff3or ~E^" a7_tK. 2 3 i sR~a'tnrq e:1~ ~ -xrtiv 5szs. ;ors Sf-~ G19: bC~~ nail to £G%+X Bi;R. - . ,~ Ta5ie rr°.".. F ~ a=3k ,xal:BQ "mg nailaty ~"~' PFic~Crtatd ~exA'so 3 li '~" ~ $ P ipt an.ra!nw~ 1G° ~ "be '~ ~ ° ~ t 4e t`4auwos; (? 2 xfl t} gads s ~ ae on. ~. f S15~ "~'dLi1?~ ` ~ ~ ~=jam ~43P?~ £~~?99230 ltt~', 3€gar~,';~ k.~r~s at i ~„~ PF.'Aii~B GERifi3l ~tE O8tt1~~}'}+j.v ~"3j:,ttiC~ al}d"atE! rPi fA2~~+Y?4!i?ICF ~4+~`a~5:1()C ~ M a. Methods GB and PCP braced wall panel h/w ratio shall not exceed 1:1 in SDC Do D} and D,. Methods LIB, DWB, SFB, PBS, HPS, and PFG are not permitted in SDC Do, D~, and D,, n (h) Alternate braced wall panel. Amend Figure R602.10.3.2 of the 2010 California Residential Code to read as follows: '~. i Q? CI Cs 3.91i~e4?d~sec FY~1ft»~4-w 1~'SPAI.SyI3E R~I~ ifitFf.G-iX7'.SR3~R..S?RAF.E F£R S~L+E A?t??G..'v.2 rE1~T3C SHtb":{ti FuR ?diGt~.RB St#t3.E B£ F£FiT V FTEL? y~ 2~A."TY'a~F' #£C TA.`E£tTFFE i`A9Q7 STRt€C7UAJd. Ptate6t TOP PLATES SHALL 9E C0NTiNU0U8 ~1rER R6RAOEt3 WAIL LItiE f 7 e ,€£dR PA`i+„-CSfSY'EFfl~R'EEU'EL*5 hal'41+LRAivi?E~fFST£tiEFTD fr.'~ < ~ ikdt~Y TRf..N3tiG z } ~ € _.-1`s ~,.--^"~ tb~i&~~&"O.C.ttT'P1dIcG Ealts£°w Fx`,#?SttdOLE SS~#S)'fiNQ ~Ya^~}.C, ' P1dYEl£i.`GES €ORiHE ~N25TL3f 2 r~M~~ ~# •~v ia'f ~i. fbT htlNi~,y~; Fpm StwE 6F€Ht~tx~S C"ne- k€1NFGft~4?iG".~H,bti C£d.S S~`=~19tRY~. FIGURE R6~12.30.3.2 ALTERNATE $RAGEI} ViIALL PANEL 72 (i) Portal frame. Amend Figure R602.10.3.3 of the 2010 California Residential Code to read as follows: ~x~uro=~irta ~t~~rx~€t~u~;rv~~~t~c~hw~:.~ Fni~~ss a :+VS~. `3' E t 3 `€AS ~EU':i}fi ?"~ ibN~4*JC''~kVxT'Stl ; iXtTSVS'~ ~~J354AE~ .:..., ~ Y O:u ?YP. i ~.vC I~h .~- ~3~Y.~.?'~t+a}aVnbv M~+~.~w.r3+ ~` ~x.v..: isii+~~' i.:~.~~~.i ia~T° W.V V1. Y~uNV~pG ~F~.~ v5~:. 411k.NdiB"li =:'?FF:kf L1~E S"Ct~Y ~~tir."iP +#AEV.2s1 F?,T§31E#G ^uS4t1 'Ekti Pi;7E;.531EA'%F{:ti6 •UPa. ~2ff} ^ 8 t3£-Cri'Y'Y:YU LeYRL~ (~}~3Ec7siE? i~I G<R`!E" i::*1:?'?AGi<.? 3^1'fb FRkbtkt~YS# "SEESE~"I'.lt 3c1t.t6.a3 _. FIGURE R602.10.3.3 ~i vr}io-} c}F±,n~. FR,L4*i4i `L>~k~iS t~;Y,1FiE7. iF2cJ 8L4t:~C@ti`i 15 :iSE7.THE2c43:Mt3S? METHOD PFH: PORTAL FRAME WITH HOLD-DOWNS AT DETACHED GARAGE DOOR OPENINGS 73 jj~ Method PFH. Amend Section R602.10.3.3 Item 1 of the 2010 California Residential Code to read as follows: 1. Each panel shall be fabricated in accordance with Figure R602.10.3.3. The wood structural panel sheathing shall extend up over the solid sawn or glued-laminated header and shall be nailed in accordance with Figure R602.10.3.3. A spacer, if used with abuilt-up header. shall be placed on the side of the built-up beam opposite the wood structural panel sheathing. The header shall extend between the inside faces of the first full-length outer studs of each panel. One anchor bolt not less than 5/8-inch- diameter (16 mm) and installed in accordance with Section R403.1.6 shall be provided in the center of each sill plate. The hold-down devices shall be an embedded-strap type, installed in accordance with the manufacturer's recommendations. The panels shall be supported directly on a foundation that is continuous across the entire length of the braced wall line. The foundation shall be reinforced as shown on Figure R602.10.3.2. This reinforcement shall be lapped not less than 24 inches (610 mm) with the reinforcement required in the continuous foundation located directly under the braced wall line. 74 (kl Continuous sheathing. Amend Table R602.10.4.1 of the 2010 California Residential Code to read as follows: r~s~.a tts*3z.ao.~.~ GBNT~IU41J5 S}tEATHl3~G A.~TH4DS TAETNCip LiA7Ek1Al, A}iNl3AUTA THtt"KilESS Fl~tit2E G'UI~JEc"T!!STt tYG7frttA I ~ a a spasm-g fjrane? ¢tfgea3 and ~ sps.,-mid (~tiaatafa>.e C` 4v~? V}kad sl.•aclwa6 aa€ i 95,'?.'z" _ "'"` svppats} . ~ ~~I +at t~ti # r.w.r ~t?r`Gt3513L tur'pan61 6j ate Y ~ Ma-fi to gar ge opar9r~s Ani€ 3 j;j ?xaY q ~-. ~ ~ See Rte4Mad sS.,+iSP ~U{"~.4uky ;ard ~38E urNY ,• E .,a ±.s ,'~ t:S~F°r ia~ainucaa Fc~~ 6sn> 1 Sae SaG3:zEn ~ ; ~ ~ }ce';astion ~ ~ : 75 ID Method CS-PF. Amend Figure 8602.10.4.1.1 of the 2010 California Residential Code to read as follows: -' f _,. m ti. F+5.4Teti *#iElaTkAtK+?i7 E$Xa~£k Vfi7Y. Pv ~C``it±f%7ti I2 t.AnS ka 3 T»A~ i'A#" ^4.4 AS 23.^v;~N A?~ : 3.:`-.~i p~FX ~ ,~'. a41.F?d.vL4C>,5T;5,^.~§ati3'.a!.St e`v4 ~Thr ~ .~., 4iElw'XE'c 5°I?ei &`-. €r'S+"L"~L3 x"l. "'.Y*? K~iG S:v3 Sv7:7s °j'AS° b-'o23 yNSiE~P:A;S iµYy4P ~ umvYa4sar 9v~.+3?~St?nPSf 144~vEM(fk4E)A?-~~ r~-d~m Cs ME~k:.h'L u.S+Av?} t3ta Sx,.'a`.5SbE [ IL'' ~' AS S*if9:M1W ^kPxgEEE'+'A"dl v; =ORAPANEI.a'ai°a`£'~Pt^£3`~4 i'AWE~i~~".~E>SH'.ii "'"t:-.IR Ai £n.*ID Ks'w`+#4.E6 S7 fXJ'xYaUN R,~C'~Gata9 uC{b:~ts'3r Nns6C;22i`tYfi 3. Hgg~t~#E Rt3aYCF - _: 3`t;..C.tdW.$<'SS~::E~.Ii:A,:.:. PA-*1.t°:".:fi`_ .. ~_ --.~., E __ ~ _-;,'C.fl°SAS:R+.1::3U#N.?".-`v*_C~~-Cr"?.AX'-5 `~:rsei.~*4'~'kEkCzF 9-'tiG~~+vt,3c43~1: ~ _._.s@~~TM tdSE~Uti.+.:4HE€d".,kY.,~.!E,^:~.N ~.,~~d~?T'A@i. kYU°xt i. ~ .. rtSYK'}fiCJ46Cf3E'~itLf.9tY3 ~ lsT3`g --.__._+'_ ___$ANt'.}/Cbk Eli'=&?'tK ~+:.3.t DR:CY'tiE[#, `~<?-(L?y.GK 5°R~S `'~4}.s'.N~3't?3 X1id2Y• ?4rJ'E'NAS~E aFkL~.F 53ii237)&nj °~Es TR3te 3~~?2.It}.2S rsvca rnrrarr~na ran:nwev mnru sn~irac~nausu ~, ,r~.~ ?e!~ sr- ,sue L5T4tEivO;4?- H~.SFfrA ~€ xs:.+DER YHE::Tl:L4C: F~ 15.~*'.Y,~. StiiJC~S.~Pf.. +'hh'vEE £M!E ThN.tr. (m) Braced wall panel. Delete Section 8602.10.7.1 of the 2010 California Residential Code (n) Lateral support. Amend Section 8802.8 of the 2010 California Residential Code to read as follows: 8802.8 Lateral support. Roof framing members and ceiling ioists having a depth-to-thickness ratio exceeding 2 to 1 based on nominal dimensions shall be provided with lateral support at points of bearing to prevent rotation. For roof rafters with ceiling ioists attached per Table 8602.3(1), the depth-thickness ratio for the total assembly shall be determined using the combined thickness of the rafter plus the ~6 attached ceiling foist. (o) Additional requirements. Add Section R803.2.4 to Chapter 8 of the 2010 California Residential Code to read as follows: R803.2.4 Openings in horizontal diaphragms. Openings in horizontal diaphragms shall conform with Section R503.2.4. 8.22.050 Residential foundations. (a) Foundation application. Amend Section R401.1 of the 2010 California Residential Code to read as follows: R401.1 Application The provisions of this chapter shall control the design and construction of the foundation and foundation spaces for all buildings. In addition to the provisions of this chapter, the design and construction of foundations in areas prone to flooding as established by Table R301.2(1) shall meet the provisions of Section R322. Wood foundations shall be designed and installed in accordance with AF&PA PWF. Exception: The provisions of this chapter shall be permitted to be used for wood foundations only in the following situations: 1. In buildings that have no more than two floors and a roof. 2. When interior basement and foundation walls are constructed at intervals not exceeding 50-feet (15 240 mm). Wood foundations in Seismic Design Category Do• D, or Dz shall not be permitted. ~~ Exception: In non-occupied, single-story, detached storage sheds and similar uses other than carport or garage, provided the gross floor area does not exceed 200 square feet, the plate height does not exceed 12 feet in height above the grade plane at any point, and the maximum roof projection does not exceed 24 inches. (b) Wood foundation walls. Amend Section R404.2 of the 2010 California Residential Code to read as follows: R404.2 Wood foundation walls. Wood foundation walls shall be constructed in accordance with the provisions of Sections R404.2.1 through R404.2.6 and with the details shown in Figures R403.1(2) and R403.2(3). Wood foundation walls shall not be used for structures located in Seismic Design Category Dn. D~, or D,. 8.22.060 Residential concrete and masonry chimneys. (a) Vertical reinforcing. Amend Section R1001.3.1 of the 2010 California Residential Code to read as follows: R1001.3.1 Vertical reinforcing. For chimneys up to 40 inches (1016 mm) wide, four No. 4 continuous vertical bars adequately anchored into the concrete foundation shall be placed between wvthes of solid masonry or within the cells of hollow unit masonry and grouted in accordance with Section R609. Grout shall be prevented from bonding with the flue liner so that the flue liner is free to move with thermal expansion. For chimneys more than 40 inches (1016 mm) wide, two additional No. 4 vertical bars adequately anchored into the concrete foundation shall be provided for each additional ~s flue incorporated into the chimney or for each additional 40 inches (1016 mm) in width or fraction thereof. 8.22.070 Residential steel construction. (a) Cold formed steel framing. Add Section 8301.2.2.3.5.1 to Section 301.2.2.3.5 of the 2010 California Residential Code to read as follows: 8301.1.2.2.3.5.1 AISI S230, Section B1. Modify AISI S230, Section B1 to read as follows: Where No. 8 screws are specified, the required number of screws in a steel-to-steel connection shall be permitted to be reduced in accordance with the reduction factors in Table B1-1 when larger screws are used or when the sheets of steel being connected is thicker than 33 mils (0.84mm). When applying the reduction factor, the resulting number of screws shall be rounded up. ~s 8.22.080 Residential wood construction. (a) Fastener schedule. Amend Lines 34 thru 37 of Table R602.3(1) of the 2010 California Residential Code to read as follows: flN~e~w:x3t shez»#~€r,gS' °~a~,-Ei,mE~~ ~ z ~ ~ >r ~~e?b68/d Ss83d3919 ((( ' 7~, ' ~E. >g8k3tdZbd fIIr~s~t a~I. x~ s[ruci~ai ce~absic tt 3 i ~ E ~ hr t?~n !' " -°- m iSd "gakare~tt xL0ix1`.~flitt2. ~ I 7 I Y ~ g zg g gp .t u " ~ ~s:±ews, Tripe slarS S B ~. ~ ~~G",7r~2f$3YS3~nL {, $ { j f "gyps~':n sheTnt~g ~ ipl "aurae. Type 7 cr s 7 ~ i (b) Alternate attachment. Amend Table R602.3(2) of the 2010 California Residential Code to read as follows: 3 Yl&t d54~cint~S ~uruelt~cihflax»,xnot ad+t wall ahe~hia9 xn fiarnSag and ~xa~EiC€sbR,Rtd"FxY$x~BaCAFA1x~ la 6aaEing ~ up tOay RC.6T:•{S.~§Nd+i ~.i x ~ C 3 6 # [y 19 3 3tl0 E~ ! iF i kk ~lili3~ ~ `~ f} 2 9 s I ©.{#s'I -D>C39 Mail 2SS A ; E`3 arui~d pCF9 - O.i~ Nad 2A i a d 8 113 Mail 3~ D S . ~ ~ ~ ~ 80 }f jJ fxeR ang oxsuer ariar.4 mJ~awv,~=nan 3 5 ~ `~ a~'a~~s,~.es~°3arssrvcsi~,rre+~ 4 t~; .^.:Fg ar z.~srt s~+ank ns.~min~raim asy 9~ 9+s~ ~g 'j a ~ . µ` a as ~ i2a,'39a ~.0", ~snk ~a~e4+*r t t~$ 5~ ."'fit jai 1~1~4ng ur s;ren sh~:k ~f»imuYrt ~ . 3?' 9' 52 ^ ~,m e~°f 9.ir~19'~shar3 di:.me/er ~ ~ 3 2~'; (c) Joist heel joint connection. Add Footnote "i" to Table R802.5.1(9) of the 2010 California Residential Code to read as follows: i. Edge distances, end distances and spacings for nails shall be sufficient to prevent splitting of the wood. (d) Design of wood trusses. Amend Section R802.10.2 of the 2010 California Residential Code to read as follows: R802.10.2 Design. Wood trusses shall be designed in accordance with accepted engineering practice. The design and manufacture of metal-plate-connected wood trusses shall comply with ANSI/TPI 1. The truss design drawings shall be prepared by a registered professional. SECTION 14. Chapter 8.24 of the Santa Monica Municipal Code is hereby amended to read as follows: Chapter 8.24 Electrical Code. s~ 8.24.010 Adoption That certain document entitled "California Electrical Code, ~9&~ 2010 Edition," which adopts by reference the National Electrical Code 2008 Edition, as published by the California Building Standards Commission and the National Fire Protection Association, "" .", wa + h f +he ni^+;,,..^~ Goo,.+..,..,~ r..,~e ~nnG ~.+'+' .+ +h i ~~ ~ ~..~...~..+~ ~+f +h'~ ('h.~r.4o ~s including Article 89, Annex C, are hereby adopted with the local amendments and provisions of this Chapter, as the Electrical Code of the City of Santa Monica. 8.24.020 Local amendments to the California Electrical Code. Notwithstanding any provisions of the California Electrical Code, California Building Standards Code, or other codes adopted by any Chapter in Article VIII of the Municipal Code to the contrary, the following local amendments shall apply. az rl.aellinnc nn4 o enrlinn #hro.~ fhnm nhnve nr.nrle / vn ~rlrlnr! ha (1rA Aln ~o~~rrc a; a y .. ..... ................~ .. .. .... ......._ _.__._ c. _.__. ~ o vvc..... . ._.___ ._~ _._.. .._. ._.____ v 8.24.040 Electrical appliances, devices, materials and equipment regulations. (a) Use of Approved Materials. No person, firm or corporation shall use any electrical material, device, appliance or equipment, designed or intended for attachment, directly or indirectly, to any electrical system, circuit or electrical service for light, heat or power in the City unless such electrical material; device, appliance or equipment complies with the provisions of this Chapter. The Building Officer is hereby empowered to enforce the provisions of this Chapter. (b) Rating. All electrical materials, devices, appliances, or equipment designed or intended for attachment, directly or indirectly, to any electrical system, circuit or electrical service for light, heat or power, shall be only those that conform with the requirements of this Chapter. Each such article shall bear or contain the makers name, trademark or identification symbol, together with such rating by the manufacturer as may be necessary to determine the intended use. The correct operating voltage, amperage and total watts shall be stated and no person shall remove, alter, deface or obliterate any such marking. (c) Approvals. All electrical materials, devices, appliances, or equipment 83 covered by and intended to be regulated by this Chapter shall conform to the published National Safety Standards for such materials, devices, appliances or equipment on file in the office of the United States Bureau of Standards. Copies of these standards are on file in the office of the Building Officer and shall be open to inspection by the public. Listing or labeling by the Underwriters Laboratories, Inc., or other recognized testing laboratory whose standards are on file with the United States Bureau of Standards shall be prima facie evidence of conformity with these required standards. Where no such standards exist for any material, device, appliance or equipment, the Building Officer may designate a standard for each article submitted, which shall specify the tests necessary to provide the degree of safety to life and property as is generally required by the National Standards for approved materials, devices, appliances arid equipment of similar or related character or nature. (d) Revocation. Any approval granted by the Building Officer may be revoked if the electrical material, device, appliance, or equipment is found to be hazardous, unsuitable for the purpose used or intended, or does not conform with the standards under which it was approved for use. (e) Exceptions. The provisions of this Chapter shall not be deemed to apply to: (1) Safe, substantial, used or second-hand devices or appliances, provided that all parts or equipments used in rebuilding or reconstruction shall conform in all particulars with the National Standards for such article, and provided further, that such 84 articles shall have the same degree of safety to life and property as may then be required in a new article of the same type. (2) Electrical materials, devices, appliances and equipment which are safe and suitable for the purpose used or intended, provided such materials, devices, appliances and equipment are already fully covered and regulated by existing laws and ordinances now in effect. (3) Vehicles or motor vehicle equipment. (4) Industrial or commercial appliances which are to be used in a specific location, and which have been submitted to a recognized laboratory for approval as conforming to the standards required hereof but on which final approval is still pending; provided, however, that exemption from the provisions of this Code shall be granted separately for each appliance only when satisfactory written evidence has been filed that laboratory approval has been applied for, and shall continue in force only during such time as the Building Officer has reason to believe that the testing laboratory will grant final approval certifying compliance to the prescribed standards. /~.\ (`_o ner.++inn #r.,ncfr.rm'n r~r n~n..orHnn rl e..inec. nli~nnec 8.24.050 Used materials. Previously used materials shall not be re-used in any work without the advance approval of the Building Officer. 85 8.24.060 Temporary service poles and associated feeder poles. (a) The minimum size of a wood pole used to support service equipment, distribution equipment and/or conductors shall be six inches by six inches (nominal) if square, or have a top diameter of at least five inches if round, and be of sufficient length to maintain all required overhead clearances as specified in the California Electrical Code, ~°~~$; but in any case, shall not be less than twenty feet long. The in,..°r °nrt hall h° °w.h°rtrt°rt nn+ i°^~ +hon fn..r f°°+ ;., ih° ,. ..~+ The pole shall meet structural requirements and shall be embedded a minimum of four feet in the ground. On .°r! °If ^ nr#inn nl° of o mo#°r'~I .~#h°r +hnn i.r.rl .f of ° inl°n4 inn #'1'i.. fr.r nr.l°^ ° °°rlinn m ° #hon civ#°^n f°°i nhn.m nrnA° Exception: A four-inch by four-inch (nominal) wood pole, or equivalent, embedded a minimum of four feet in the ground, shall be permitted for distribution poles used to support temporary wiring for other than construction power in conformance with P~'~.r~,~!° 'gym the California Electrical Code and located in areas accessible to pedestrians only. (b) Provisions for Temporary Services. Wiring Methods. Raceways on temporary service poles shall be rigid 86 metal conduit, intermediate metal conduit, electrical metallic tubing or schedule 80 rigid nonmetallic conduit. Th° r.,.,°.. ° °"u!! "° ° ^^~*°d wt ;^t°^.~w!c ^o+. +.o °,.~°cd thre., :~.... .,::rr.,, .., ~~,-. `~~a.c.~oa~.etzs. ene handred twenty-velt, siag,e-p„~.se~-ar.~ See the Sali#era;a-€lest~^'I r,,,+° n.+'^I^ ~~n f n + o f f' f If a ;r°-~° ^~^° ^~ ~^~ °'°^*•^~° driven rod or pipe is used for grounding of a temporary service on an erected pole, it shall be driven at least °'^hf f^°+'^#^ +h° °., rFh ^^.+ ^^^^°,+ ~+ I°^~+ eighteen inches from the pole. 8.24.070 Underground concrete vaults and handholes. (a) Scope. The following requirements apply to the use of specially constructed underground concrete vaults and to handholes. s~ (b) Definitions. (1) Vault. A chamber in an underground conduit distribution system containing sufficient working space and an entrance for personnel. (2) Handhole. A chamber smaller than a vault in an underground conduit distribution system having a removable cover and used in lieu of a listed pull box. (c) Concrete Vault Provisions. (1) The inside dimensions of an underground concrete vault shall be not less than four feet in width and four feet in length. (2) The inside height shall be not less than five feet between the floor and the top or ceiling. (3) Circular access openings shall be not less than twenty-six inches in diameter and rectangular access openings shall be not less than twenty-four inches by twenty-six inches. (4) Vaults shall be installed only in permanently accessible locations outside of buildings. (5) Where exposed to vehicular traffic, the enclosures and their related covers shall be designed for that purpose. (6) Where subject to inundation or exposure to the elements, covers shall be suitably sealed. (7) Conduits shall enter the vault in a manner consistent with the type of wiring method used in accordance with the following: sa (A) Conduits shall enter the enclosure through the walls and be terminated in a manner that provides suitable protection for the type of wiring method used. (B) Conduits entering the enclosure walls shall terminate not less than two inches from the bottom or one foot from the top. (C) Direct burial conductors shall enter the enclosure by means of conduit nipples which shall be suitably sealed. (8) Suitable wall supports or racks shall be provided to secure open conductors in a fixed position two inches or more above the floor. (9) Walls and floors shall be made of concrete having a minimum thickness of six inches. Ceilings shall be made of concrete having a minimum thickness of eight \/~, 14 rJ' h..ll he nr.+ Iec~c +h-•n ne+ fi.rFh 'n ArF'nlo 47n of +he ('.~lifn rn;o inches. ~ ....:...... ....~....~ ...,..-..., ..._.. __.._._........_.-~- -~ - -. _.._ __..._...._ (10) Exposed noncurrent-carrying metal parts of equipment, conductor supports or racks, conduits and other metal appurtenances, including any metal cover and its supporting ring, shall be bonded together and connected to a common ground. The size of the grounding means shall be as prescribed in ee..+;,,., ~Gn oG of the California Electrical Code. Where the rua prounding means is exposed, the grounding conductor shall be not smaller than # 8 AWG copper. (d) Handholes Provisions. Except as modified by this subsection, the provisions of subsections (c)(4) through (c)(10) for vaults shall apply to handholes. (1) The handhole shall be so designed that the conductors may be pulled, 89 spliced or otherwise handled without requiring a person to enter the enclosure. (2) The minimum depth of handholes shall be eighteen inches and the width shall not be less than half the depth. Handholes shall not exceed three foot in depth from finish grade to the bottom of the handhole. /Z\ !~ f h-. flh 1 h-.II h° fi 11 nn°n' n ~^rl° ..f ^orhr~n c#°gl fi., ~~roovc... ^ m ^r I } ..I # rf h..ll h-. m #h~^L..° of n ° or#°r_'n^h °v^o~t N `I ~ (e) Prefabricated concrete boxes and their covers that are designed for the purpose of handholes, having dimensions less than set forth in subsections (c) and (d) of this Section, maybe used as vaults and handholes where specifically approved by the Building ^^~' °^'°*•~ n^^^~^^ Officer. 8.24.080 Solar photovoltaic systems-Disconnecting means for multiple arrays. Where the conductors of more than one array +s are combined to form a single output conductor, ^# d ......., th.c^ ru , :~_'#° °^~'~.r #°^ ^^•p°r°° a disconnecting means rated for the voltage and ampere rating of the output conductor shall be installed immediately adjacent to the combiner box on the output side. •^'°^° #"° ^^^~"~^°r "^~ Exception 1 ~ The required disconnecting means in this Section shall not be required if the combiner box is located adjacent to the inverter. 90 Exception 2: The required disconnecting means in this Section shall be not required for one-and-two family dwellings where the rating of the solar photovoltaic system is not more than 10KW. 8.24.090 Protection of metallic enclosures in a marine environment. Where a metallic enclosure is installed outdoors within 804.7 meters (0.5 miles) from the mean shoreline, the enclosure shall have adequate protection against severe corrosive influences, SECTION 15. Chapter 8.28 of Santa Monica Municipal Code is amended to read as follows: Chapter 8.28 Mechanical Code. 8.28.010 Adoption. That certain document entitled "California Mechanical Code, 2~&~2010 Edition," which adopts by reference the Uniform Mechanical Code, 2009 Edition, as published by the California Building Standards Commission and the International Association of Plumbing and Mechanical Officials, ^~^°-~~~t '~„api~r ^at;o^~ (excluding Sections 104 through 117), including Chapter 1, Division I Sections 101, 102, 103, Appendixes B, C, D, are hereby adopted as the Mechanical Code of the City of Santa Monica. 9~ SECTION 16. Section 8.32.010 of the Santa Monica Municipal Code is hereby amended to read as follows: 8.32.010 Adoption. That certain document entitled "California Plumbing Code, 20&~ 2010 Edition," which adopts by reference the Uniform Plumbing Code, 2009 Edition, as published by the California Building Standards Commission and the International Association of Plumbing and Mechanical Officials ^F+"'~(excluding Sections 102, 103, Appendix L), including Chapter 1, Division I Appendices A, B, D, G, I, K, are hereby adopted with the local amendments and provisions of this Chapter, as the Plumbing Code of the City of Santa Monica. SECTION 17. Section 8.32.020 of the Santa Monica Municipal Code is hereby amended to read as follows: 8.32.020 Local amendments to the California Plumbing Code. Notwithstanding any provisions of the California Plumbing Code. California Building Standards Code, or other codes adopted by any Chapter in Article VIII of the Municipal Code to the contrary, the following local amendments shall apply. 92 SECTION 18. Section 8.36.010 of the Santa Monica Municipal Code is amended to read as follows: 8.36.010 Adoption. That certain document entitled "~08~ 2010 Building Energy Efficiency Standards-Standards for Residential and Nonresidential Buildings" which adopts Part 6 of Title 24 and Article 1 of Part 1 of the California Code of Regulations, as published by the California Building Standards Commission and the California Energy Commission is hereby adopted as the Energy Code of the City of Santa Monica, subject to the provisions of Chapter 8.108 Green Building Design and Construction Standards. SECTION 19. Section 8.40.010 of the Santa Monica Municipal Code is hereby amended to read as follows: 8.40.010 Adoption. ..... ..,.y ... ........... ..._...__ _ __~._ ..,._ _.~ _._ - _. _.._ __... _...._. th (`-. l- I ( w f c t 1'f..rn'.+ C're (' nrle ~nm CrJ'+'r. ai+h n wrr5~- crnwvrrvS-- vv c~ -r ~9v c~ -.#~+ Th ("+ r! +h .,f '. ....... r...l~.'..n~. . ~.._. _.._ _. ... ......~..»., +he (`olifnrnin ..._ __... _...._ . Gre rn~e +n innL ~Ac~ +hc .._ ____ __ ... ____ __ r y + f+h., M+ern.,+'., r,l C'ro I'`n.+ ' n r, manna Cr7 i+'.~. n fnr +hnco nrr~m~nr~oq .,I ................. ... .. .... .. .._..._.. _.._. .._ ___ _, -___ __._. _. ., ._. _..___ ___.~_.. _._ ~' + + +h (`.+I'f ~. Circe (`nrJe 4 he Inn-+I o on Amen4c .,f 4his (`h~n+ ~~ 93 a rh...,+e~ A nn n~ .,,+,...+oa ~r,+ ., e.,,+e.+ he~e~n +he r~r+„~..•~ G•~e r,.,+ .. .., . ...... ,... ........r.. ...... .... .... .........._.._ .._. _..., ..._ _~... _...._ .._ -___ That certain document entitled "California Fire Code, 2010 Edition," which adopts by reference the International Fire Code, 2009 Edition, as published by the California Building Standards Commission and the International Code Council (excluding Sections 105.3.2 108, Appendix A), including Chapter 1, Division I Chapter 1 Division II, Appendices Chapter 4, B, BB, C, CC, H, and the most recent referenced version adopted by the State of California, of the National Fire Codes as published by the National Fire Protection Association, are hereby adopted with the local amendments and provisions of this Chapter, and with Chapter 8.44 of the Santa Monica Municipal Code, as the Fire Code of the City of Santa Monica. SECTION 20. Section 8.40.020 of the Santa Monica Municipal Code is hereby amended to read as follows: 8.40.020 Local amendments to the California Fire Code. .;+h e ~.,+., +,,.,e+tie~,.,~+ti +tio ~ .,..+~ r.++he it+e..,.,+~,.,,.,~ r~~e r,,,ae onn~ 94 I ^,+ + nnn nrt'., rh^n+or ~ i ^ enoa~ hor~'n~ Ao^2n di~ ~ and ; A .J' n f +V, r-.I'f r ~. C're r^r te +ho mnc+ r en+ re4 v ren ^erl ...J + .+ h +h C+~.+o .,4 r^lif..rn:o .,f + ho "Ah,+ir.n.nl Lire r„,~e d' n~,hl' o ho.+ h.. +h AL.+' ^I C' D + #' n '^+'n ^ nrJ +he Innol o onrl me+ n+~. ref + h'c. rh.e n+er Notwithstanding anv provisions of the California Fire Code, California Building Standards Code State Housing Law or other codes adopted by anv Chapter in Article VIII of the Municipal Code to the contrary, the following local amendments shall apply. n.......,.+:., rh^..+.,. ~ ce..+:,... 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AR-op2Fa+~^nS--1'2~U~~SE9 ~~~ 102 ~` \A/hen ~, iorl tho f're rn.Je rff'n'nl ch.~ll 'c m'# ton .. + ~flG~,o~C 4~~~~~_wno~rpan~3~_cF~-+II nrl~~rdr h~~il.J~nnr +r n+ r -, rFc #horonf hr. cinn nGenM n 7A hr r h.nc'c whn hen-~~ c of ~e ~ n~mcnh'1r+~~~~~58,~~ lido ~.J rirJen+inl 103 he.J:.+.+on ren+~ lcee c~.r.+,nn ~~G cnon;~l Previsions Fer 6isensed ~4 Hedr ccm-rwcr~T. n'~ crrto~vcc~cvxNr-rev, cpcc~ai ('ire C~a: li4'o .~ (_rnnn 14 D 2 4 r D A hnnnnn nnv\ ~~~'o+orl I'.: .. +n~il'+iec ~ nh ~ ~- De~irlon+fol !'o ro Conn'+'o Doo'.don+iol varo C.+n41'+~e~ fr~r 4he CirJerly !D('CC'c\ AA~d4 De~irle n+inl C.enili+ie_ ('r~nnrenn4e 6ivi„g--ueal+hn,--F^^a~:ii;~s,~s-Desidential dare ~~^•I,+•o snr +ho rhr.,n'....u., lu nrl rnnr.re„~+o I '. ., u~.,l+h r.,,.~r+~e~ +nr+he Ter..,~nnn., lu w~~,l r~h.,h;r+~+;nn +n~;~;;es s;;~as: Halfvda~ heases, Semmani~3s e +'.,n..l ~ rnmm~~n'h, r,.rr~..+.,.n De ~ '+., Ser~ea#er-~~ en#;~oer~#er, r~,;,F,;;,~. 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L. ~,...... ... .., y.....~.. ... ..... , --_ , ~ AG C A4 M.. 11 rl T _ rnrJ m.+ll 'n +hn fnlln.ni n ...~..nnr~ 1 DI-. n~+r n+'nn +nw,nnrn n, L'no Lo .+ic nln.,c. hnn+h c. ~. ~..~ .,.,~~...~,..,.~ .y ... ~N.,. ~~ ..,,.,.. ...r.~~., .,....... ... .............. a to ~+nrn ' , h, rl.+•n n gyn., n of ~ Gnn n„h'n ' n nn, n nr , nn rnm'~n~ ' .,nn~~ n n Fnn4~1 nm vnl mn of nnmhnc+'h In mm~+., no nL'nn nnnnn hn..nc. hnrrn lc n 'I-. nn+ninnrc. r hhnr tiros r hhnr iirL n m'Inr n mh c+ihln m-~tnri~l 1~~ nn _ nr nnm {iirnrm-rGVic ,~. mhMn+'hle lin ~'rlc lin nfinr! ..n+rnln m nnoeo _ __ r.rnccnrl 4' rl l' inM'n of .,n n n f'rn n f'rn hl'n n+ren4 nllnv r nr7 'n4 ~~ii+h -. +nrnh~ nr +n ~ .+ +n rnh n n flmm~ rlnv'nn 'n ~ h~-rnrAni is emnvn n.. one r nnn n fl~.men n nrlle n.-+'nn ..:+h n mhhi n rJ'n of nne r n n~nn~_~.~~ o no ~.o,~ sac-_-- - _. ___._.._ ... - __ -_-_- - _r _.. .._. ..__ ~flC-rv Cv-v-vv--vT~~~ri~vci~Cl i..l L~.~4'r~n n dew i'r~n ~ n r +e rli~~ani r -'vT-°vr`'rr'9 °'' -°' )ir•c~ ~n° u' 'ten 'rives ~ AG C Cie .f~vuiv-Trv-crvc-c rniJ.~ flnn+ fnr n~ ~hl'~Pn~rfn~rmn~nnc nrecen+.++'n onMnlo r+e~rFn inmen+n rnrln 108 ~1 f r-.+'~n i.f n n++o f're h.rr7m n+n f n nl nr ..+o firo hrinnrle r fire rlenohmon+c +n moin+o~. ..' .. \ i n +h ~ /~~ nnn h 1\ f r.,.J".,.. n+i.~e m.,te.'ol nr.f n.. nt.n"nerl ~ ~ ~ i I r7 th 'I 'Il' /Z7 nnn nnn h I\ f -.rl' .,.-t'.. + I ' -.I rd ~n+ of r-+r~'n-.n+6.e m~+eri.~l fnr n~ 109 r-.tinn~l n m"+ i rnrl fnr n ro+'n of rnndr nno~. nnrd n..+mm~+F.e m'4 is "rn.+ +n nn+nhPoh nnA n4-n 'n+.~"n c+nronn of cnr~n +'rn nr! #irn h..n rn.J. n+c. +h n+ o nn.Jc ~ Gnn n h'n fnn+ /71 m~\ of +n+nl ..nL.me of n n +irnc. pa;a,=;-.;, stFU~t~es, ~er,,.T-a„~Ear~:a +r n+.r -, +nn+ h~..inn -.n ~ of inn ~ e fee+ /~a m~~~ nn., in of nnn ~ e fen+ /~~ m~~ 110 °°,+ inn ~ ° s°°+ /aG m~l_ ~h~ h rf mM+°r~.,~ I~m4.°r ° nhn~ini..J 'n _. _°__ =f Inn _ ~F~in f°°+ /R m'°~ r+ L'.. r.++°c .+ n~+hin.++ nhr.r. n n4h°r c m'L~r n n..c° n i.r nr.° c ~ r r ~ {~} Chapter 5, Section 505.1.1 of the California Fire Code is added to read as follows: 111 505.1.1 Additional Requirements Numbers shall be a minimum of 6 inches high for commercial structures and 4 inches high for interior suites, offices, rooms etc. and one and two family dwellings with a minimum stroke width of 0.5 inch. All buildings shall display the assigned address number so as to be visible from the street and alley upon which the address is based. Numbers shall be in contrast to their background. ll {~} Chapter 9, Section 901.10 of the California Fire Code is added to read as follows: 901.10 Problematic systems and systems out of service. In the event of a failure of afire-protection system or an excessive number of accidental activations, the Fire Chief is authorized to require the building owner or occupant to provide fire watch personnel until the system is repaired. The chief is authorized to require the building owner or occupant to provide a fire watch. ~ Chapter 9, Section 901.11 of the California Fire Code is added to read as follows: 901.11 Firewatch. The chief is authorized to require the building owner or occupant to provide a fire watch with personnel acceptable to the Fire Chief until documentation is provided that the system is repaired and is operational. Such individuals shall be provided with at least one approved means for notification of the fire department and their only duty shall be to perform constant patrols of the protected premises and keep watch for fires. 112 (d) Chapter 33, Section 3309 of the California Fire Code is added to read as follows: 3309 Seizure of Fireworks. All fireworks shall be illegal in the City of Santa Monica including California State Fire Marshal Safe and Sane. The fire code official shall have the authority to seize, take and remove fireworks and/or safe and sane fireworks stored, sold, offered for sale, used or handled in violation of the provisions of Title 19 CCR, Chapter. 6 and Health and Safety Code, Chapter 9. Exception: When permits are issued for such use. SECTION 21. Section 8.44.010 of the Santa Monica Municipal Code is hereby amended to read as follows: Chapter 8.44 Fire and Life Safety Prevention Requirements. 8.44.010 Application. Notwithstanding any provisions of the "^~{^^^ °i~''~'~^^ ~^~'°, California Building Code, "^'{^~^• ~~•° r^~'°, California Residential Code, California Fire Code, California Building Standards Code,-State Housing Law or other codes adopted by any Chapter in Article VIII of the Municipal Code to the contrary, the following local amendments shall apply. ils SECTION 22. Section 8.44.050 of the Santa Monica Municipal Code is hereby amended to read as follows: 8.44.050 Requirements for automatic fire extinguishing and protection sprinkler systems. (a) When Required. An approved automatic fire sprinkler system shall be installed as set forth in this Chapter under the following conditions: (1) In all newly constructed buildings, without regard to floor area or area separation walls except detached one-story two-car residential garages (including minor accessory uses such as laundry areas or bathrooms under one hundred square feet) provided that the new garage is located a minimum of six feet away from any other building on the same lot. (2) Throughout any existing building, when there is a change in occupancy classification to a more hazardous division, as shown in Table 8.44-A or as determined by the Fire Chief; ~^ +'^~~*~~ ++,~oe .,o.,.o..+ „ ,.++he e •~+•.,,, 114 TABLE 8.44-A' DEGREE OF OCCUPANCY HAZARD Rank OCCUPANCY CLASS 1. Groups E and I 2. Groups A, Divisions 1 2, ~1- 4 and 5 3. Group R, Division 1 and 2 and Group A, Division 3 4. Group H, Divisions 1, 2 and 5 & 5. Group H, Division 3, 4; ~~~ 6. Groups B, F, and M; Group S, Divisions 1 and 2 S. 7. Group R, Division 3 8. Group U--Dsv;sio^~ 'To use the table -Step 1. Find the existing occupancy classification or division in the occupancy class column. Step 2. If the new occupancy classification or division is ranked above the existing class, then the entire building requires a full automatic fire sprinkler system. (3) Throughout any existing building greater than one thousand square feet, whenever more than fifty percent cumulative, of the existing floor area, I15 including mezzanines, is added to within three calendar years. (4) Throughout any existing building one thousand square feet or less, whenever more than seventy-five percent cumulative, of the existing floor area, including mezzanines, is added within three calendar years. (5) Throughout any existing building greater than one thousand square feet, whenever more than fifty percent of the interior and exterior walls and ceilings are exposed. (6) Throughout any existing building one thousand square feet or less, whenever more than seventy-five percent of the interior and exterior walls and ceilings are exposed. (7) Throughout any existing building other than a single-family dwelling, whenever an additional story is added. (8) Throughout any single-family dwelling greater than one thousand square feet, whenever an additional story is added and the new floor area for the additional story increases the existing floor area by more than thirty-three and one-third percent. (g) Throughout any single-family dwelling one thousand square feet or less, whenever an additional story is added and the new floor area for the additional story increases the existing floor area by more than fifty percent. (10) Throughout any existing building or structure determined to be used primarily for public assembly more than five thousand square feet in total floor It6 area. This subsection shall not apply to buildings or structures with an approved full automatic fire sprinkler system or to churches and theaters with fixed seating. (11) Throughout the entire floor of any existing non-residential building equipped with a partial fire sprinkler system whenever more than fifty percent of the floor space is altered or reconfigured. (b) Exceptions. The requirements of subsection (a) of this Section shall not apply to: (1) Hospitals as defined in Health and Safety Code Section 1250; (2) Buildings such as power plants, lookout towers, steeples, grain houses, and similar structures with noncontinuous human occupancy only when so determined by the Fire Chief; (c) When a fire sprinkler system is required in any building that does not have a designated occupant and use at the time fire sprinkler plans are submitted for approval, the system shall be designed and installed to deliver a minimum density of not less than that required for Ordinary Hazard, Group 2, with a minimum design area of not less than three thousand square feet. When a subsequent change in occupancy classification requires the fire sprinkler system to deliver a higher minimum density, it shall be the responsibility of the building- owner to upgrade the system to the required density for the new use. il~ SECTION 23. Sections 8.44.060 and 8.44.070. of the Santa Monica Municipal Code are hereby repealed. Q AA f1Cfl C..F..rne.m....4 \A/I-~ 'i rl + r• +h + h 'Ir7' rl + n nh~ .n:+h +h° r 'r°mcn+c ^f m +' Q AA nGn f +h ~A r ~ the ewner shall be ° °'+ ~+i+h o nn+ir° h~i de l ~ nlsipa , e rl 4h r• + '+ ' I rl +h I I '+ rl C+~++°c D.,C+ol Cvc+°m Th° nn+ic~__c~}a}} h+ r7 f +h C' 1'l rF 4 # I 4h.-. °+v r7.+vc ofF.~r +h° c°ni n° of +ho v .. ....... .. ..... .. .. __~~. .... _. +' rl +h + 4' h ._ ..__ .___ _.. _... .____~ _. __~ _ 1 + rf + h+°r +h.,n n ° oft°r c°niin~nf 4h° ~ nn r 11$ SECTION 24. Section 8.44.110 of the Santa Monica Municipal Code is hereby amended to read as follows: 8.44.110 Standards for fire protection systems. (a) General. Fire protection systems shall conform to the standards adopted by Chapter 8.40 of the Municipal Code and to supplemental requirements of the Fire Chief. (b) System Monitoring. Alarm systems, required by Chapter 8.40 of the Municipal Code shall be monitored by an approved and listed central station. Exception: Fire sprinkler systems containing less than one hundred heads may be provided with a local alarm. (c) Annunciation and Control. Extinguishing systems shall include control valves and signaling devices to control and indicate system operation by floors or other approved subdivisions. An approved annunciator panel shall be provided in an approved location near the principal entrance. (d) Fire Department Connections and System Zones. Systems shall be provided with listed Fire Department connections at approved locations on public street frontages. Multiple exterior connections and system zones shall be interconnected. (e) .Design, Approval, Acceptance, Testing and Maintenance. Fire alarm systems shall be maintained in an operable condition at all times. When required by the Fire Chief, an approved fire watch shall be provided and maintained while a fire and life li9 safety system is inoperative or impaired. The fire watch shall be maintained until the inoperative or impaired system is restored a fully operational condition and a test is approved by the Fire Department. (f) Approval, Acceptance, Testing of New Fire Alarm Systems. New fire alarm systems shall be designed, installed, tested and maintained in accordance with the provisions of the National Fire Alarm Code published by the National Fire Protection Association. (g) Existing Fire Alarm Systems. Existing fire alarm systems shall be tested and maintained in accordance with the provisions of the National Fire Alarm Code. (h) Notification Devices.. All one and two family dwellings having a fire sprinkler system installed in compliance with NFPA 13-D shall have an approved alarm bell installed on or near the address side of the building. NFPA 13 systems shall have a horn/strobe installed on the address side of the building. SECTION 25. Section 8.48.100 of the Santa. Monica Municipal Code is hereby amended to read as follows: 8.48.100 Windows/sliding glass doors. The following requirements must be met for windows and sliding glass doors: (1) Except as otherwise specified in Municipal Code Sections 8.48.120 (Special residential building provisions) and 8.48.130 (Special commercial building provisions), izo all openable exterior windows and sliding glass doors shall comply with the tests as set forth in Section 8.48.140 (Tests). (2) Window assemblies which are designed to be openable and which are regulated by this Chapter shall comply with "^~'^~^~ Q^~'~'~^^ ~'^^'° c~.,.,,~.,.,~ ,n ~ California Building Code, unless such windows are protected by approved metal bars, screens or grilles. (3) Sliding door assemblies regulated by this Chapter shall comply with l~n+#er+x~ .California Building Code. (4) Louvered windows shall not be used when any portion of the window is less than twelve feet vertically or six feet horizontally from an accessible surface or any adjoining roof, balcony, landing, stair tread, platform, or similar structure. SECTION 26. Section 8.48.120 of the Santa Monica Municipal Code is hereby amended to read as follows: 8.48.120 Special residential building provisions. (a) Except for vehicular access doors, all exterior swinging doors of any residential building and attached garages, including the door leading from the garage area into the dwelling unit shall be equipped as follows: (1) All wood doors shall be of solid core construction with a minimum thickness of one and three-fourths inches, or with panels not less than nine-sixteenths of an inch izi thick. Swinging doors shall comply with California Building Code. Doors in pairs shall be tested in pairs. (2) A single or double door shall be equipped with a single cylinder deadbolt lock. This deadbolt lock must be actuated by a key from the exterior and a knob or thumb turn from the interior and when projected becomes locked against return by end pressure. The bolt shall have a minimum projection of one inch and be constructed so as to repel cutting tool attack. The deadbolt shall have an embedment of at least three- fourths of an inch into the strike receiving the projected bolt. The cylinder shall have a cylinder guard, a minimum of five pin tumblers, and shall be connected to the inner portion of the lock by connecting screws of at least one-fourth of an inch in diameter. All installation shall be done so that the performance of the locking device will meet the intended anti-burglary requirements. A dual locking mechanism constructed so that both deadbolt and latch can be retracted by a single action of the inside door knob, or lever, may be substituted provided it meets all other specifications for locking devices. (3) The inactive leaf of double door(s) shall be equipped with metal flush bolts having a minimum embedment of five-eighths of an inch into the head and threshold of the door frame. Single-swinging doors and the active leaf of doors in pairs shall be equipped with an approved exterior key-operating deadbolt which has been tested in accordance with .California Building Code. See Chapter 10 of the California Building Code for requirements on door operation for exiting. 122 (4) Glazing in exterior doors or within forty inches of any locking mechanism shall be of fully tempered glass or rated burglary-resistant glazing, except when double cylinder deadbolt locks with a key retaining feature are installed. (5) Except where clear vision panels are installed, all front exterior doors shall be equipped with a wide angle (one hundred eighty degrees) door viewer. (b) Street numbers and other identifying data shall be displayed as follows: (1) All residential dwellings shall display a street number in a prominent location on both the street side of the residence and on the alley side of the property in such a position that the numbers are easily visible to approaching emergency vehicles. The numerals shall be no less than four inches in height and shall be of a contrasting color to the background to which they are attached. (2) There shall be positioned at each entrance of amultiple-family dwelling complex an illuminated diagrammatic representation of the complex which shows the location of the viewer and the unit designations within the complex. In addition, each individual unit within the complex shall display a prominent identification number, not less than four inches in height, which is easily visible to approaching vehicular and/or pedestrian traffic. (c) Lighting in multiple-family dwellings shall be as follows: (1) Aisles, passageways and recesses related to and within the building complex shall be illuminated with an intensity of at least one footcandle at the ground level during the hours of darkness. Lighting devices shall be protected by weather and vandalism 123 resistant covers. (2) Open parking lots, garages and carports shall be provided with a maintained minimum of one footcandle of light on the parking surface during the hours of darkness. Lighting devices shall be protected by weather and vandalism-resistant covers. SECTION 27. Section 8.52.010 of the Santa Monica Municipal Code is hereby amended to read as follows: 8.52.010 Fencing regulations. (a) Standards for New Enclosures. Every person, firm or corporation owning land on which there is situated a swimming pool, pond or other body of water which contains water eighteen inches or more in depth at any point shall completely surround such body of water or property with a fence, wall or other structure not less than five feet above the adjacent grade at all places and with no opening therein more than four inches in maximum dimensions. Any gate in such fence shall have a latch at least five feet above the underlying ground and such gate shall be self-closing and secured when adults are not present. (b) Existing Enclosures. Every person, firm or corporation owning land on which there is situated a swimming pool, pond or other body of water which contains water eighteen inches or more in depth at any point shall completely surround such body of water or property with a fence, wall or other structure not less than four and iza one-half feet above the adjacent grade at all places and with no opening therein more than four inches in maximum dimensions. Any gate in such fence shall have a latch at least four and one-half feet above the underlying ground and such gate shall be self- closing and secured when adults are not present. For the purposes of this Section, existing enclosures are those enclosures that were constructed under valid permit issued prior to July 1, 1999. (c) Requirements for Nonconforming Enclosures. When an existing pool enclosure is replaced or repaired in excess of fifty percent of its length, the enclosure shall be made to conform to all of the requirements for a new enclosure under prevailing law. (d) Applicability of Other Codes and Laws. The provisions of this Section are in addition to the pool enclosure requirements for public or private pools as required in Chapter 31 B of the California Building Code; 2nm-o~~-~~~. When conflicting provisions or requirements occur between the provisions of this Section, the Technical Codes, and other codes or laws, the most restrictive provisions or requirements shall govern. SECTION 28. Section 8.84.040 of the Santa Monica Municipal Code is hereby amended to read as follows: 8.84.040 Alterations, repairs or rehabilitation. its Notwithstanding any requirements in the Technical Codes, California Building Standards Code, or State Housing Law to the contrary, the following shall apply: Alterations, repairs or rehabilitation to an existing building may be of the same type of construction as the existing building or structure, provided the aggregate value of such work in any one year does not exceed ten percent of the replacement cost of the building, and provided further, that no hazardous conditions or substandard residential buildings are continued or created. These provisions shall be retroactive when specifically required by this Code. Alterations, repairs or rehabilitation in excess of ten percent of the replacement cost of the building or structure may be made provided all of the work conforms to this Code for a new building of like area, height and occupancy in the same location and that no hazardous conditions or substandard residential buildings are continued or created in the remainder of the building as a result of such work. Whenever an existing building or structure has been damaged, or is in need of repairs, or the owner desires to make repairs, alterations or rehabilitation in an amount exceeding fifty percent of the replacement cost of the building or structure, the entire building or structure shall be made to conform to all of the requirements of the Technical Codes or shall be demolished. For purposes of this Section, the Building Officer shall determine the replacement cost of the building or structure and may use the most current building valuation table published by the ' * ...w*:....o' ~_..'_._..__ ^' R,,:i,~~^^ nrf•^'°'° International Code . _ 126 Council. The Building Officer shall also determine the fair market value of any necessary repairs and may calculate the fair market value of repairs as the mean of three responsible bids from properly licensed contractors. SECTION 29. Section 8.88.010 of the Santa Monica Municipal Code is hereby amended to read as follows: 8.88.010 Adoption. That certain document entitled "Uniform Code for the Abatement of Dangerous Buildings, 1997 Edition" as published by the International Conference of Building OfflClalS, ., .r . se.e,,,.e.~ .,, ce,.+;~~ ~ n~ ~s the r~ra,.~..~^ ci^,i,r•.,,. ~„a„ manna ~,~~+~,,., as amended by this Chapter, is hereby adopted as the Dangerous Buildings Code of the City of Santa Monica. SECTION 30. Chapter 8.106 of the Santa Monica Municipal Code is hereby added to read as follows: Chapter 8.106 Green Building Code 8.106.010 Adoption. That certain document entitled "California Green Building Standards Code, 2010 Edition" as published by the California Building Standards Commission, is iz~ hereby adopted as the Green Buildinq Code of the City of Santa Monica. 8.106.020 Local amendments to the California Green Buildinq Standards Code. Notwithstanding any provisions of the California Green Building Standards Code California Buildinq Code California Residential Code California Buildinq Standards Code or other codes adopted by any Chapter in Article VIII of the Municipal Code to the contrary the following local amendments shall apply. 8.106.030 Mandatory and voluntary requirements. Amend Section 101.10 of the 2010 California Green Buildinq Standards Code to read as follows: 101.10 Mandatory and voluntary requirements. This code contains both mandatory and voluntary are identified in the api mandatory measures of applicable to new reside voluntary measures of Ap residential buildings. areen building measures. Mandatory and voluntary measures rropriate application checklist contained in this code. The Chapter 4 and voluntary measures of Appendix A4 are ntial buildings. The mandatory measures of Chapter 5 and pendix A5 are applicable to all buildings which are not low-rise 8.106.040 Low-rise residential building. Amend Section 202 of the 2010 California Green Buildinq Standards Code's definition of LOW-RISE RESIDENTIAL BUILDING to read as follows: izs LOW-RISE RESIDENTIAL BUILDING. A building that is of Occupancy Group R and is six stories or less or that is a one- or two-family dwelling or townhouse. 8.106.050 Sustainability. Amend Section 202 of the 2010 California Green Building Standards Code to include the following: SUSTAINABILITY. Consideration of present development and construction impacts on the community the economy. and the environment without compromising the needs of the future. 8.106.060 Irrigation controllers. Amend Section 4.304.1 of the 2010 California Green Building Standards Code to read as follows: 4.403.1 Irrigation controllers. Automatic irrigation system controllers for landscaping provided and installed at the time of final inspection and shall comply with the following: 1. Controllers shall be weather- or soil moisture-based controllers that automatically adjust irrigation in response to changes in plants' needs as weather conditions change. 2. Weather-based controllers without integral rain sensors or communication systems that account for local rainfall shall have a separate wired or wireless rain sensor which connects or communicates with the controller(s). Soil moisture-based controllers are not required to have rain sensor input. iz9 8.106.070 Flashing Details. Amend Section 4.407 of the 2010 California Green Building Standards Code to read as follows: 4.407.1 Flashing details. Provide flashing details on the building plans which comply with accepted industry standards or manufacturers instructions. Details are shown on the house plans at all of the following locations: 1. Around windows and doors. 2. Roof valleys. 3. Deck connections to the structure. 4. Roof-to-wall intersections. 5. Chimneys to roof intersections. 6. Drip caps above windows and doors with architectural proiections. 7. Other locations as identified by the Building Officer. SECTION 31. This The Council finds that the adoption of this Ordinance is exempt from the provisions of the California Environmental Quality Act pursuant to CEQA Guidelines Section 15061(b)(3). SECTION 32. Any provision of the Santa Monica Municipal Code or appendices thereto, inconsistent with the provisions of this Ordinance, to the extent of such inconsistencies and no further, are hereby repealed or modified to that extent necessary 130 to effect the provisions of this Ordinance. SECTION 33. If any section, subsection, sentence, clause, or phrase of this Ordinance is for any reason held to be invalid or unconstitutional by a decision of any court of any competent jurisdiction, such decision shall not affect the validity of the remaining portions of this Ordinance. The City Council hereby declares that it would have passed this Ordinance, and each and every Section, subsection, sentence, clause, or phrase not declared invalid or unconstitutional without regard to whether any portion of the Ordinance would be subsequently declared invalid or unconstitutional. SECTION 34. The Mayor shall sign and the City Clerk shall attest to the passage of this Ordinance. The. City Clerk shall cause this ordinance, or a summary thereof to be published once in the official newspaper within 15 days after its adoption. This Ordinance shall become effective on January 1, 2011 APPROVED AS TO FORM: ~. ~ L MARSHA JONES OUTRIE City Attorney 131 Reference Resolution No. 10538 (CCS).