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SR-503-001-02-01 (6) ~ I '. ~,', i~ I ~ I II .. ~ ...... ~ I . I ~. I c J I 1 , I , I I I r I I J I I I RNL DESIGN 800 Wilshire Blvd., Suite 400 Los Angeles, California 90017 (213) 955-9775 Prepared by: March 2003 1\ .... Entire document printed on recycled paper ATTACHMENT C City of Santa Monica Corporation Yard Recycling & Transfer Facility Study fiR 6190 Golden Hills Drive Minneapolis, MN 55416 (763) 591-5400 8..- J Corporation Yard Recycling & Transfer Facility Study Table of Contents Chapter One Project Overview Chapter Two Recycling and Transfer Facility Basis of Design Chapter Three Evaluation of Existing Southern California Disposal Transfer Station Chapter Four Recycling & Transfer Facility Layout Plan Chapter Five Construction Budget and Conceptual Opinion of Cost f. I [: - I f I ~ I r', &; - 1 I I ! I , j j I I I I I j J ! I . .... -J ~:; Corporation Yard Recycling & Transfer Facility Study Chapter One Project Overview Introduction l; ~ ,', l;. Qty of Santa Monica Corporation Yard Santa Monica, California The City of Santa Monica, California, owns and operates a 10-acre Corporation Yard Facility that is located at 2500 Michigan Avenue, (Intersection of 24th Street and Michigan Ave.), within the City of Santa Monica. The City has operated the Corporation Yard in this location for 75 years, and the divisions within the yard have outgrown this facility. Its functional uses have gradually become impaired due to space limitations, regulatory requirements and the condition of the facilities. The City, through its planning consultant RNL Design, developed a comprehensive master plan to address the functional and operational needs of the users of the Corporation Yard. This master plan was completed in March 2002. Included in the Corporation Yard Master Plan was a strategy for constructing the replacement Recycling & Transfer Facility and associated improvements as required to meet the needs of the City Solid Waste Division. The City of Santa Monica requested an update to the Master Plan, specific to the Recycling & Transfer Facility, to focus on a confirmation of Solid Waste Division space needs, confirmation of the proposed facility layout, an analysis of the potential use of the Southern California Disposal (SCD) Transfer Station, and a confirmation of the construction cost. The results of the study are included in this report. 1.1 March 2003 Recycling & Transfer Facility Study RNLlHDR "'... J ,. il;. k - I , I -.-. J Scope of Services I ~ 1 {t t" - I I I I I I , I ,:". ~:j I ~. . j I f I I I Report Overview \.: ~"'f [J City of Santa Monica Corporation Yard Santa Monica, California Corporation Yard Recycling & Transfer Facility Study The City of Santa Monica commissioned the RNL Design planning and design team, consisting of RNL Design (RNL), HDR Engineering, Inc. (HDR) and Jacobus & Yuang to prepare the Corporation Yard Recycling & Transfer Facility Study. The scope of work consisted of confirmation of the facility requirements of the City's Recycling & Transfer Facility, investigation into alternative layouts for the Recycling & Transfer Facility, preparation of a final conceptual layout, and preparation of a construction cost estimate for the improvements of the Recycling & Transfer Facility. The scope of work also included an assessment of the existing SCD Transfer Station and the ability of that facility to process the waste stream of the City in addition to its current and projected volumes of waste. The Recycling & Transfer Facility Study prepared for the Corporation Yard consists of five chapters. The following is a brief description of the contents of each chapter. Chapter One - Project OvefView describes the background of the project, defines the scope of work performed for the study and gives an overview of the final report. Chapter Two - Recycling and Transfer Facility Basis of Design provides a summary of the facility requirements of the City's Recycling & Transfer Facility based upon an analysis of the quantity of waste processed and the traffic volumes (current and projected), a description of the space requirements and planning guidelines, a description of building features and environmental protections, and a description of the final conceptua/layout plan. Chapter Three - Evaluation of Existing Southern California Disposal Transfer Station presents an evaluation of the SeD facility and its ability to handle the City's waste stream (current and projected) in addition to the current and projected volumes processed at the facility. Chapter Four - Recycling & Transfer Facility Layout Plan presents the final conceptual layout plan for the Recycling & Transfer Facility, and a layout on the Corporation Yard Site Master Plan. Chapter Five - Project Budget provides an order-of-magnitude construction cost estimate for the proposed improvements and new construction required for the Recycling & Transfer Facility at the Corporation Yard. The estimate includes total Project Budget that delineates the costs for construction, design, phasing, moving, and other similar project expenses. 1.2 March 2003 Recycling & Transfer Facility Study RNUHDR .. ..... J Corporation Yard Recycling & Transfer Facility Study Chapter Two Recycling and Transfer Facility Basis of Design Introduction HDR Engineering was commissioned to conduct a study to confirm the facility requirements of the City's Recycling & Transfer Facility based upon an analysis of the quantity of waste processed and the traffic volumes (current and projected), to determine the space requirements and planning guidelines for the Recycling & Transfer Facility, to determine the building features and environmental protections required for this type of facility and to develop a final conceptual layout plan. The tinallayout plan is the result of an analysis ot several alternative layouts investigated during this process. This chapter includes the HDR Engineering, Inc. Basis of Design Report dated March 17,2003 in its entirety. Qty of Santa Monica Corporation Yard Santa Monica. California 2.1 March 2003 Recycling & Transfer Facility Study RNUHDR -- - City of ' ''';-,(~ S.lnU, :\I~Hli.-., _.",~d?E~' ~._ - ~ e<""'~ .sa~1'1111. City of Santa Monica Recycling and Transfer Facility Basis of Design Report March 17, 2003 Prepared for: City of Santa Monica Solid Waste Division Prepared by: fiR HDR Engineering, Inc. 6190 Golden Hills Dr. Minneapolis, MN 55416 :',': [ ~ 0' r; rh~ ~ I ~ I ~ I ~' . - I I I : I 1...1 ~ I ~ I I I I I I I ! I ~.w '. ....) "" t - (It,,~ " -~~~1 San taU () II i t. a - - .JPff' ,. "'~~. 1.0 1.1 1.2 2.0 2.1 2.2 2.3 2.4 2.5 2.6 3.0 3.1 3.2 3.3 3.4 3.5 4.0 5.0 6.0 \,::,. ~L.' . 9 I I I I I . I TABLE OF CONTENTS Table of Contents Backg rou nd ... ..... ................... .... ..............."................ ............... ........................ .................. ..................... ","" ........ .... 1 Facility Requirements .................................. ....... .................................................. ...... 1 Waste and Traffic Quantities........................... ........................................ ........ ............ 2 Traffic Considerati ons.................................................................................................. 4 GeneraL................ ..... ............. ......... ........... ........ .............. .......................................... 4 Minimum Vehicle Turning Radii ..................... .......... ......... .............. ..... ................... .... 4 Maximum Roadway Grades... ...... ....... ........ ............. ............................ ....................... 4 Scale Arrangements ... ....... ... ... ...... ... ...... ....... ......... ....... ... .......... ....... .... ...... ....... ... ..... 4 Buy-Back Center and Commingled Recycling Operation ............................................ 4 Exterior Maneuvering for Buildings........ ... ......... .............. ............ ..... ....... ................... 5 Space Allocations... .... .... ... ."", ....... ..................... "'....... ........................"'" .................... .......... ..............."....... 5 Unloading Space ............ .................... ............. .................. ............ .... ........ ................. 5 Queuing Space ........ ........... .................... ..... .................................................... ............ 5 Waste Storage ...... .......... ............ ....... ................... ............ ....................... ................... 5 Transfer Load-out .... ......................................... .......................................................... 6 Sorting and Recycling ................ .... ........ ............ ........ ...... ..... .................. ............... ..... 6 Building Features ...........................,.,. ............. ..... ... ..... ...................... ............ ......"........ ....... ... .... 7 Environmental Protection................................................................. ........................... 7 Conceptual Site Layout ........ ................. ............. ............. ........ ..... ........... .......... ........... 7 Appendix A Santa Monica Recycling & Transfer Facility - Basis of Design Analysis Appendix B Santa Monica Recycling & Transfer Facility - Conceptual Site Plan CITY OF SANTA MONICA RECYCLING & TRANSFER FACILITY PAGEi MARCH 17, 2003 I I ,- I , I ~~,. :,: I I I [,I r:; , .....~ r r I ~, L~ iJ ~ : J ~, I I I 1 J J j I \ 1 . ,~ d ~i4'~~~ <l' .; (;t \J.. n j (".. , ';.:.:~-:~~~ :t.: '~~J)l:' t I I I I I . . . BACKGROUND 1.0 BACKGROUND In conjunction with RNL Design's previous efforts to conduct a study of the City's needs to improve their existing Corporation Yard (Corporation Yard Master Plan Study), HDR evaluated the feasibility of providing significant improvements to the City's existing transfer facility. As a result of this study, the construction of a new, enclosed recycling and transfer facility at the Corporation Yard was proposed. Recently HDR was retained, as a sub-consultant to RNL Design, to verify the validity of the previous study and investigate options for refinement of the previously proposed design. HDR was also retained to verify the validity of the previous study conclusions that the existing Southern California Disposal (SCD) transfer station, across Delaware Avenue, was not suitable for accepting and transferring the additional waste stream currently handled by the City at their transfer station and accommodating the City's recycling goals. 1.1 FACILITY REQUIREMENTS HDR met with City staff to review the existing transfer facility operations, identify constraints in the existing operations and discuss improvements to be incorporated into a new facility. The following elements were developed to form the constraints or basis for the facility design: ... Existing traffic flow patterns create problems that must be eliminated or minimized in the new design; ... Additional space needs to be allocated to allow for safe, efficient traffic flow and planned recycling, waste handling and transfer activities; ... The recycling and transfer facility should be enclosed in metal building construction to control potential environmental impacts; ... The transfer operation planning should incorporate the most cost effective transfer technology for the City. Open top technology shall be employed with provisions for installing preload compactors in the future if conditions warrant; CITY OF SANTA MONICA RECYCLING & TRANSFER FACILITY PAGE 1 MARCH 17, 2003 ~ I l; 1 - I '0 I ; I " ~:. ; 1 ": I I : I ~;~ '" i I ~ II ~ J J I I j I I I ~, ,., f4 ~:. . . I . . I . . BACKGROUND ... The yard renovation must be planned to allow the existing transfer facility and critical recycling activities to remain operational during construction. Thus, the new transfer facility cannot be constructed on space used by the existing facility; ... Waste handling operations in the transfer building should be buffered or shielded from neighboring businesses and uses; ... Access and egress for all facility traffic can be provided from Michigan or Delaware Avenues. ... The recovery of waste tipped at the transfer facility should be accommodated in the facility planning. As such, the transfer facility should consider two transfer load-out openings, one of which could be used for wood/green waste or C&D load-out and transfer, and; ... Open floor space adjacent to the transfer tipping and waste storage area shall be provided for recycling activities. Adjacent to this space shall be bi-level "Z" wall spaces for roll-off containers of recovered materials. 1.2 WASTE AND TRAFFIC QUANTITIES To properly size the facility for reasonably anticipated volumes of tonnage and traffic, HDR referred to existing facility scale records for the entire year 2002. Fluctuations in monthly, weekly, daily and hourly volumes of tonnage and traffic were accounted for in the design of the facility. The following Table I presents the current volumes of tonnage and traffic at the existing facility for both weekday and Saturday operations. Table I identifies traffic and tonnage volumes for each of the different types of customers that use the facility. With the limited expected increase in population, coupled with expected increases in source reduction, re-use and recycling, no net growth in the residential waste stream is expected under future conditions. However, it is reasonable to anticipate that the facility will experience higher volumes of commercial waste tonnage and traffic in the future. It is also possible that neighboring jurisdictions will want to use the City's facility. Thus, it is recommended the facility be designed for additional volumes of tonnage and traffic, beyond current volumes, to accommodate these additional waste streams. Table II presents proposed volumes of tonnage and traffic for design purposes. Back up data used to prepare Tables I and II can be found in Appendix A. CITY OF SANTA MONICA RECYCLING & TRANSFER FACILITY PAGE 2 MARCH 17, 2003 I I - I '. [' 1 ~..-. I ". r>:'. \ I [ I :- I I ~; r I I; '" I ~; ~ ~ I ~ t" ~. : I , i . I I I . - ~ I ~ \ ,- - :: "?1t ~. .... \1' ---~'" .. n (a . 0 n I.' it , . .;;~~ . I I I I I . I BACKGROUND ,____~~.~~__.~~~_~.n_.__.'w_._____w.__.___~.___.____q...~--..-................ ...........""-c~_T~._.____~__,...~..._..___._..........,p~_~_. ,.._.,.........,. ~_________.____,.__,~_..,_.,.._.~__.._._.__..__..~_..___...., .,... , - - Table I Current Volumes of Tonnage and Traffic I 1 i I , : Weekday L ~'.!~~_JL~he! l:!'Yyetlk:I..._JL _ _ J'u!>l~c . II Totals _ _._ ~~t_a!~. J~o_~I_!!>.~~J!<<:>>.!~~JL~~_!_~!1_!!JL~~~~!!!!P~Jl ~~!~~_!~~~_H :ro~.~I~:r~ip~ i __ _ u _.. _ _; it A\'9I~qjl_____u?Q_1_.H~___JL...J~_JL_____ .... ..11 .m.?XmJL___u_u. ......H ;2~5. !1.P~~k.TPD II .??:?.ll.......__________JL__nu_...Jl0 IL~-~[=~OlC------1C..4~5.il 1_~~9_y.~p ... . i 1__________ _.J L..m_~~.J L _..____ .__m j Lm__ .'. ..}Q.J L _.__ _ .. _I Ln." . __~~.. .... i C.. .1}?i 1__~~~~_.\!PI:>.J I. .'. .... ....... ..... L___.____ 50 J '--_._mu.___ .J L. . ... .~5..._J L___. ... ... .. .... . '_ . J I 85 ..1 Lmu_ .. ..1 ~_Q L~~ak VPH L.. _ J 14 JL JL .. 19 J C..__ J L ._,_,,__J_~__)[ w___ _~~J .. .- ... ...._.. .n........,.....__...___ _no _ ..._.,..._....u. ....L ._n....._~.L.'U _~'n'..'.. ._, '..n.......__.,_._. "_n ....._...._.....,._ _.".,..",.,.,. .__. _,____~.~. nm ...... _......_. ...._..............._._......_........ .!: saturday iL~_I'~~uc~LClt~er l:~~~h~~""_J[_____J'IlI>~._jl T olals i . ... u~~~~I~_ u.i [ I~~Ci~_T (;)_':I~i 1!~~~~..!!'!J.!s.J L!()t!,l! ()!'.s.J L T()t~_I_T~~p_s.J I !()!.al "f()n..s, I L"f()~.a_~}~~ip!;j ... ..... . ......... ... J L_~YJtIPP_"_ '".e.__hJ?L l~_.____...J i__ _..~J L__ ___._ J L_._..__~ 7...J L,...______ . . ..wJ L.. ...... _....!Z~j iLe~~~!~!L: 1..__. ..._.. J.~<!._J L__,____I L__.___m_~.?.J Ln.._______.__J L_._._~___x~___II.. .__ ... .._____ .j I._.w ... ..fgQi I 11... .'~\lg~~D ......il_m___JL__._.__~~_ll._........~_..__.JI_..._...___J....IL...._..._._._.__...JL_.. ........ ....5? .JI. ....._._ 84: !lm~~~_~Y~!? n_' L__ _."_..w. ,1 L_~_J L__.___________.J L._m___.__~QJ L__._________..J L __. .... . ?? .. J L._ . ...1 :1~j IL.~~~.y~l_1. ..JL_ ... . .........1L._.. 11JL_........... Jl.... .......m.~JL______........... . !l 2~ ...JL_.._m_~~i ,-.,--~_._~------------,.,_._...._._~ .,.~_........._~.~_.~---~--,---~----~~--._,--.._....~.,.-..-- --~.. ,..._~___._~...,'~.L_._U.~___L_,_______~T_.'___._~__,.~,__.__..____.......___,_...., . . ... ~.L.' __._-"'~_.___T__.____~_.__ _._~__.,_.~_,'___._..,_,..,..,.. Table II Proposed Future Volumes of Tonnage and Traffic ~-::::y IT.;;;;r~i~ri;ilT~~_~c1;;;;JLT~;;;,T~;.~bi:;~iTri~~il Totals ! i ..-----.-.----..-...... - Q--~----~ L.__ - ~u_______._~ L -_______1 L____.___J L.w_~...._...._. ._ ..___.........._._, IL_~k~-II--u~-l. .._-~-iL-_-~:~l__-u~-II_~l~rL_u ~II~~ .~~ J._ ---___~______ ...... L.. . ...... .._.' ....._._ ......_._._..__..._..~ L.__._._._._ C.. .u_.. ....0 L___._....... II.... . .. .... ., [m ...... ..... .____.. t~:j[::-:=1~f=:=.~it-=~~:1=jf==~jE=~jjE__:;~:if::.~~~i 11_.___......,....,.. -- ---- - ~_~'_,..,_.,_",_,,,,_,_,___,_,,___,_,,___,_,_,,,_, _____ _____.__________c.r_'._.'.,..,....,.~.. ....,.....___.._._..__._____....___....,.....~.__~..,_._____________ _ _ _ ............_....._ ...."._....._....."..._._._"..._ .. ....~ i Saturday It_~_k!r!~~LQth~'..l:ity_:o'!h~cle" JI____!'u'!lk:_~_ _ . '/ Totals i !_ ". ~_~~I~.. .. ..I! ()!",I!()~~J I! ot~L!ri~~j L!()!~I!()n~! 1!()!_CiI !~!p~J t!:()!~~__!(),:,~ I L"f()~i.lI!rip~ i___u_. j !~g TPD__..,J L_..___u_m~~,?J 1_____Qj L_______~ L.._,...,...._~~_..Qj L~___._j7IL_._~~..._.g] L___...J!~J IlPeak TPQ_..JL._u__.190j l__~ L___._._....._ 2511_~_._.~L__J5JL_.___...._g!L.._..__29(~1 jlAV9 VPD.._..._JL_.___._~! L_.__~j L~u_~_.__ 01 L..__.______._...zIL.______...__gJ L. __.___..........?f?j L..UU.H..~~i llPeak ~~Q.__J L_.mo.__ ___ oj L_______~_~j L~,._____...._.9j L.u___._____~Qj L .._._~...._..... n Q! Lm _. .._.______.~7.J C .. _ JA?J Ile~_~\LP_tl___J I. w.... ... . .___oj L_. ..____.._.J11 L_m.___.__.gI L . . n. ...~j 1._______.____9) I. u. _??! t:~_.~ _~.? II CITY OF SANTA MONICA RECYCLING & TRANSFER FACILITY PAGE 3 MARCH 17, 2003 [ I l " 1 ~ I " I i t'. .. I ""- I r I r~ 'to..,-. f I L II ~I : I ! ~ i I I, e; J I I I f J I ( I.' n~ .>~~,~::.1. ~ a II I it "I H n i {' ~. ':, ' ~'~'~;;_ J I I I I I I I I TRAFFIC CONSIDERATIONS 2.0 TRAFFIC CONSIDERATIONS Roadway geometric and travel patterns shall conform to the following requirements: 2.1. GENERAL One way travel lanes shall be 15 feet wide. Two-way roadways shall have minimum 12-foot lanes. At least one vehicle length before and after turns or in scale approaches shall be provided. For the transfer vehicles, a drive through arrangement is preferred over a back-in arrangement. Cross traffic shall be avoided as much as possible. 2.2 MINIMUM VEHICLE TURNING RADII Transfer Vehicles - Traveled lane, inside radius of 50 ft. and outside radius of 70 ft. Collection Truck - Traveled lane, inside radius of 35 ft. and outside radius of 50 ft. 2.3 MAXIMUM ROADWAY GRADES Maximum vertical slopes shall be 8 percent for downgrades and 6 percent for upgrades other than transfer truck roadways. Transfer truck roadways shall have a maximum downgrade of 12 percent and maximum upgrade of 10 percent. Minimum 25-ft. vertical curves shall be provided. The grade difference planned for the transfer load-out area is 16 ft. below the tipping floor. If needed, the transfer building tipping floor could be raised a limited amount to reduce the transfer load-out area excavation. 2.4. SCALE ARRANGEMENTS Transfer Facility ~ One inbound and one outbound scale, served by a common scale house is recommended for weighing waste deliveries. Each scale shall be a minimum of 50 ft. long with 1 Q-ft. approach and exit slabs at each end. One scale house was assumed to eliminate unnecessary scale attendants. Load-out scales under the transfer chutes are recommended to optimize payloads and minimize transfer haul costs. 2.5 BuY-BACK CENTER AND COMMINGLED RECYCLING OPERATION Approximately 60,000 s.f. of space, preferably adjacent to the transfer facility shall be provided for the operation of the City's Buy-Back Center and Commingled Recycling Operation. CITY OF SANTA MONICA RECYCLING & TRANSFER FACILITY PAGE 4 MARCH 17, 2003 I I 1 ~ I L ~ I I I L : I ~; I t I " r>~ ~; ~ I b li : J .~ : I l ~~ : I r: J I' J I j I "_ ... ~ - ~~~15 . II- .'~'"'m :"'I a n (a \ 141 H 1 C' a . ._ ___' _ ,~__~: ~. I I 1.1 I I I I SPACE ALLOCATIONS 2.6 exTERIOR MANEUVERING FOR BUILDINGS To reduce capital building costs, exterior waste delivery vehicle maneuvering is recommended. Delivery vehicles will back into the transfer building. 3.0 SPACE ALLOCATIONS 3.1 UNLOADING SPACE Inside the transfer facility building, sufficient space must be provided to accommodate reasonably expected peak incoming traffic. To accommodate anticipated peak hourly incoming traffic flows of 38 City trucks and 19 public vehicles, 4 - 15 ft. wide packer truck unloading stalls plus 5 - 10ft. wide self haul unloading stalls are required. Thus, the minimum width of the transfer building is 110ft. Supporting analyses for determining required unloading space and spatial requirements for subsequent elements of the facility are included in Appendix A. 3.2 QUEUING SPACE Sufficient space should be provided before the entry scale to accommodate the peak hourly flow of traffic into the facility. Allowing for 30 seconds transaction time for City collection vehicles and 45 seconds for other vehicles, one entry scale should be more than adequate to accommodate this volume of traffic. To allow for the fact that the incoming traffic will not be uniform over the peak hour, sufficient space should be provided to stage instantaneous arrivals of 4 to 5 vehicles. Likewise, sufficient space between the inbound scale and the tipping area should be provided to accommodate the surges in traffic. Space for 4 to 5 vehicles should be provided. 3.3 WASTE STORAGE Per the City's request, to accommodate upset conditions, sufficient space shall be provided inside the building on the tipping floor to accommodate the average design throughput of the facility. With 12 ft. high perimeter waste containment I push walls, approximately 13,000 s.f. of tipping floor area is required to contain one day's storage allowing for loader operations inside the building. CITY OF SANTA MONICA RECYCLING & TRANSFER FACILITY PAGE 5 MARCH 17, 2003 tl t, 1 I ~ I ~ ',' I , to. ts r I :. l I ,," ti ~J r I t, [ I ~, ~ ( ! ~ ~, J " ~-j lj ; J I; " L I I I I j I I - - ~.>l"':. \7 _.~':,~.~ ~ a II r a .\1 0 n i nl '; ",\~~'~- 1 '" ~~..~~\ I I . . . . . ! SPACE ALLOCATIONS 3.4 TRANSFER LOADROUT The facility must be sized to allow for the transfer of the maximum expected tonnage received in any given day. With the top loading transfer configuration, one open top port should be able to provide the capacity to load 4 trailers per hour. At 20 tons per trailer and a 12 hour operating schedule per day, one open top transfer port should be sufficient to accommodate the anticipated peak daily tonnage. To accommodate potential problems in transfer vehicle traffic flow, and to accommodate the separation of MSW transfer from other materials loadout (such as wood waste or yard waste), two transfer ports are recommended in the facility. Gravity, drive through loading for transfer trucks typically requires the least loading time per vehicle (can achieve from 10 to 15 minutes per load depending on loader production). For the drive through configuration recommended, an additional bypass lane is recommended to accommodate either vehicle breakdowns or the potential future installation of pre-load compactors under the transfer ports. Where one way drive through traffic can not be accommodated, a back in operation could be feasible. Space at the tipping floor level should be provided behind or adjacent to the transfer ports for stationary or mobile tamping crane(s). 3.5 SORTING AND RECYCLING Space shall be allocated in the transfer building for recovery, storage and staging of recyclables for market. The recycling activities may initially include manual removal of source-separated loads or material from mixed waste on the tipping floor. This will require space for storing materials and for off-loading to roll-off bins or the transfer trucks. Approximately 8,000 s.f. of covered floor area adjacent to the transfer facility tipping floor shall be provided for materials recovery operations. Along one side of this area, a bi-Ievel UZ" wall configuration shall be provided to accommodate the storage of recovered materials into roll off containers. Adjacent Contractor Recycling Facility - Currently the Allan Company occupies approximately 55.000 SF of space on the corporation yard site to separate curbside collected recyclables and accommodate general public recycling. The goal of the Master Plan was to reallocate space for this facility to enhance operations and integrate functions with the transfer facility where it makes sense and is possible. Review of the current facility indicates that maneuvering is tight in areas, requiring three-point turns by trucks and cross traffic in areas. Significant space is used for parking of the public delivering recyclables. The recycling facility should be adjacent to the transfer facility to provide logistical movement of recyclables and residuals. The Master Plan layout accommodates this objective. CITY OF SANTA MONICA RECYCLING & TRANSFER FACILITY PAGE 6 MARCH 17,2003 t I ~. I - I ~ I ~" ~ I I I I , -' ,. l'~ it' ! I .~ i [ Ii , ! I I I I I ! I I <. ~.~ - . ~ . .... - ~ ' "'\ fl~ <; I; fa' Ion i nl .~_- :; :_", , T. ~_ ... f BACKGROUND 111111111 4.0 BUILDING FEA lURES To provide the most cost effective facility construction, it is recommended that the recycling and transfer building be a pre-engineered metal building, enclosed on sides with an open front for waste delivery vehicles to back in and unload. Enclosing unloading and transfer operations will reduce environmental impacts of the operations. The recycling area could be attached to one side of the transfer building and should be roofed but may also contain open wall/clear spans to suite operational needs. The transfer building should span end-to-end, or side-to-side, and be free of interior columns to provide maximum operational efficiency. To accommodate refuse vehicle unloading, clear height inside the building should be on the order of 26 feet. 5.0 ENVIRONMENTAL PROTECTION Floor drains, or a trench drain, with grit traps, are recommended on the tipping floor inside the building. Depending on local sanitary discharge requirements, the drainage system would discharge to the municipal sanitary sewer or to a holding tank. To minimize accumulation of dust during waste unloading operations, roof vents and possibly exhaust fans should be provided. Generally, dust problems on flat slab tipping floor stations are not as severe as stations configured where waste is unloaded into a pit. Misting systems are often required to control dust on pit design stations. The building should be designed to minimize wind tunnel effects. With prevailing wind from the west. the most favorable location of openings into the transfer building would be on the west wall. To improve the control of odors, waste should be transferred off the floor on a daily basis. 6.0 CONCEPTUAL SITE LAYOUT Six potential arrangements of the Recycling and Transfer Facility were developed. Each option was studied in detail with RNL Design and City staff with consideration given to the Facility Criteria previously listed in this report. The option that best met all the criteria was the option that closely compares to the layout developed in the Master Plan and is shown on drawing C-1 included in Appendix B. The major attributes of the selected layout are as follows: ~ The design provides space on City property to queue vehicles and maneuver to and from unloading areas in a safe and efficient manner. CITY OF SANTA MONICA RECYCLING & TRANSFER FACILITY PAGE 7 MARCH 17, 2003 I I , I - I ~. ~ .- I , I I I i ! 1< l ~ I "/ ,~ I !' I ~.. I I J i 1 I ,. ki i~ '_ J ". _ - , ' '{k~ S a It I a ".. n i.... , ':,<_;.;~';~ BUILDING FEATURES ENVIRONMENTAL PROTECTION CONCEPTUAL SITE LAYOUT :.It 8 Q I I Iff I .... All traffic enters and exits the facility from Michigan Avenue except outbound transfer vehicles. This will minimize traffic congestion along Delaware Avenue where extensive traffic to and from the Recycling Yard is expected. .... The transfer load-out configuration is a convenient drive-thru arrangement with a bypass lane to allow for the installation of compactors if in the future the situation warrants it. CITY OF SANTA MONICA RECYCLING & TRANSFER FACILITY PAGE 8 MARCH 17, 2003 , I 1, f< h;: t.-::.,~ "~~-\"'..J~ ~ it n t it \J 0 II i nl I :'~ [1\' ~ ~ ~ . - I ;. .. '. I ~ I k- : I ;>" : I ~. I ~. . :~ I <l ~ I w tl ~ ~ J ~ tl f,J ~ I , I I J I I I . . . I I I . . ApPENDIX A Appendix A Santa Monica Recycling & Transfer Facility Basis of Design Analysis CITY OF SANTA MONICA RECYCLING & TRANSFER FACILITY MARCH 17. 2003 :~.I ; I ; I ~. I h " I I J ~: I .~;..; L I ; I t ~ l ] .~ I I ,I l ! I f. ! I I I I I I - ,t. ~" '~.;:>>i S.t n I it .'1 H n i nt . -,-,,~;,-',,~_~p',t 111111111 ApPENDIX A Sizing Calculations A. Following is a Table of Transfer Station Design Criteria Taken from the Summary Design Quantities Worksheet Table r Weekday Packer Trucks Other City Veh's. Public Totals Totals Tot. Tons Tot. Trips Tot. Tons Tot. Trips Tot. Tons Tot. Trips Avg TPD 451 0 38 0 57 0 545 Peak TPD 525 0 110 0 110 0 745 Avg VPD 0 78 0 30 0 66 174 Peak VPD 0 92 0 45 0 85 222 Peak VPH 0 28 0 10 0 19 57 Saturday Packer Trucks Other City Veh's. Public Totals Totals Tot. Tons Tot. Trips Tot. Tons Tot. Trips Tot. Tons Tot. Trips Avg TPD 122 0 9 0 47 0 178 Peak TPD 190 0 25 0 75 0 290 Avg VPD 0 22 0 7 0 55 84 Peak VPD 0 35 0 20 0 87 142 Peak VPH 0 11 0 5 0 22 38 The above values of Tonnage and Traffic reflect the addition of an outside jurisdiction waste stream coming to the City's station. Since the City's population has stabilized, and due to further waste reduction, reuse and recycling trends, no net growth in residential tonnage and traffic is expected. While some growth in the commercial waste stream is expected, the additional 250 tons per day allowance beyond existing volumes provides the buffer for growth in the commercial waste stream. B. Transfer Station Sizing Calculations Sizing Assumptions: Daily Hours 5:00 AM to 5:00 PM = Weekend Hours 6 AM to 2 PM Avg. City Packer Payload = Avg. Public Payload = Avg. Other City Payload = 12 Hours 8 Hours 5.53 Tons 1.29 Tons 2.44 Tons Mon - Fri Sat Peak Days Peak Days CITY OF SANTA MONICA RECYCLING & TRANSFER FACILITY PAGE A-1 MARCH 17, 2003 p j L I ~ I I ~ I I i I ':c ~ I ~! ~ I !'c t1 ~ I ,- ~ l I l; f~ ~ [.1 ~: I I I I ) j . ~ - - '~~ ..+';: "" , I.... ~ , - ---i" :"-.an(a'lonin. " ;__J,:~-'_ " (. ~(,"7S < 11'lllltt ApPENDIX A Vehicle Unloading Area Sizing - Weekdays f~~. Incoming Peak Daily Collection & Commercial Truck Tons = Incoming Tonnage Per Peak Hour = No. Vehicles Per Peak Hour = Assumed Truck Unloading Cycle Time = No. Unloading Stalls Req 1 d. = Unloading Stall Width = Unloading Area Length Req I d.= 525 Tons 154 Tons 28 Trucks 5 Minutes 2.32 Stalls 15 Feet 45 Feet Incoming Peak Daily Other City Vehicle Tons = Incoming Tonnage Per Peak Hour = No. Other City Vehicles Per Peak Hour = Assumed Truck Unloading Cycle Time = No. Unloading Stalls Req'd. = Unloading Stall Width = Unloading Area Length Req'd.= 110 Tons 24 Tons 10 Vehicles 5 Minutes 0.83 Stalls 12 Feet 12 Feet Incoming Peak Daily Public Vehicle Tons = Incoming Tonnage Per Peak Hour = No. Public Vehicles Per Peak Hour = Assumed Truck Unloading Cycle Time = No. Unloading Stalls Req'd. = Unloading Stall Width = Unloading Area Length Req'd.= 110 Tons 2 4 Tons 19 Vehicles 15 Minutes 4.72 Stalls 10 Feet 50 Feet Total Unloading Area Length Req'd. = 107 Feet CITY OF SANTA MONICA RECYCLING & TRANSFER FACILITY PAGEA-2 MARCH 17, 2003 I I , I ~ I I ; I l~ c I : I I :1 ;, II ~ I I I J I l~::::~ ' '>'~t~ ... It II f.1 _\10 n i 4' ,it ,,<.,Sit';':. i J" i ! . J . . . I ApPENDIX A Vehicle Unloading Area Sizing - Saturdays Incoming Peak Daily Collection & Commercial Truck Tons;:: Incoming Tonnage Per Peak Hour;:: No. Vehicles Per Peak Hour = Assumed Truck Unloading Cycle Time:: No. Unloading Stalls Req'd. = Unloading Stall Width: Unloading Area Length Req'd.:: 190 Tons 60 Tons 11 Trucks 5 Minutes 0.91 Stalls 15 Feet 15 Feet Incoming Peak Daily Public & Other City Vehicle Tons: Incoming Tonnage Per Peak Hour;:: No. Other City Vehicles Per Peak Hour ;:: Assumed Truck Unloading Cycle Time :: No. Unloading Stalls Req 1 d. : Unloading Stall Width ;:: "Unloading Area Length Req I d.: 100 Tons 6 Tons 5 Vehicles 5 Minutes 0.41 Stalls 12 Feet 12 Feet No. Public Vehicles Per Peak Hour: Assumed Truck Unloading Cycle Time ;:: No. Unloading Stalls Req' d. = Unloading Stall Width: Unloading Area Length Req I d.= 22 Vehicles 15 Minutes 5.42 Stalls 10 Feet 50 Feet Total Unloading Area Length Req'd. :: 77 Feet CITY OF SANTA MONICA RECYCliNG & TRANSFER FACILITY PAGE A-3 MARCH 17, 2003 ~ 1 [. (It.' ~- :,,~."~~l~ I..;.an(a Uoni.-.a l.-'~f\-' APPENDIX A I - I ..111111111 Transfer Unloading Ports Required ~ Avg. Daily Tonnage to Transfer = 545 Tons Peak Daily Tonnageto Transfer::: 745 Tons Assumed Average Transfer Truck Loading Cycle Time = 15 Minutes Assumed Top Loading Transfer Vehicle Payload::: 20 Tons Hourly Transfer Capacity Per Hopper::: 80 Tons No. Transfer Hours Per Day::: 12 Hours No. Transfer Ports Req'd.on Average Days = 0.57 No. Transfer Ports Req' d.on Peak Days = 0.78 No. Ports Provided::: 2 Recommend 2 Ports to provide redundancy in loading out different materials. ,- I I Transfer Station Tipping Floor Waste Storaqe Holding Capacity Required I i ! ~,! I :. J I I Total Incoming Refuse Tons (Peak Day) = Peak Hourly Waste Delivery Rote = Max. Hourly Transfer Capacity wI 1 Loadout Ports ::: 745 Tons 215 Tons 80 Tons Therefore, with 2 consecutive hours of peak delivery rates, approximately 300 tons of waste will accumulate on the tipping floor. Per City Request, SizeTipping Floor to Accommodate Approx. 1 Day's Throughput::: 545 tons. L Assumed Storage Pile Height::: Assumed Storage Pile Density = S. F. Floor Storage Required = 12 Ft. 350 P.C.Y. 7,007 SF Entry and Exit Scale Requirements No. Collection Trucks Per Peak Hour No. Self Haul Vehicles Per Peak Hour Assumed Transaction Time Per Credit vehicle = Assumed Transaction Time Per Cash Vehicle = No. Entry Scoles Required ::: 28 Trucks 29 Vehicles 0.5 Minute 0.75 Minute 0.59 Thus provide 1 entry and 1 exit scale. CITY OF SANTA MONICA RECYCLING & TRANSFER FACILITY PAGE A-4 MARCH 17, 2003 ,.1 i:=j" ." t. I ~;- I . 1 ~ 1 I j ,:. l~ I I ~I ! I t : I ] j I I I j I t: i" :s:~ '.' ~ ~ n_ - - , r . ~ <~~ if;- s;; r; '.it \I H U i C'~. . _..~~Jr< /" " . ~ ._,' :...";ll:. . . . I . . . . ApPENDIX A Transfer Trailer ReQuirements Avg. TPD Incoming = Peak TPD Incoming = 545 Tons 745 Tons Avg. Current Daily Outbound Recovered Materials in Roll Off Boxes Taken from City Report: Item TPD - Loads TIr~ 0 0 Metal 2.5 0.5 OCC 2.5 0.5 C&D 50 6 CITY OF SANTA MONICA RECYCLING & TRANSFER FACILITY PAGE A-5 Project Current Outbound Recovered Materials to Future Based on Ratio of Avg. TPD Design I Avg. TPD 2002 = 545 I 295 = 1.85 Item TIr~ Metal DCC C&D TPD Loads o 0 4.625 0.925 4.625 0.925 92.5 11.1 Thus the following tonnage will be required to be transfer for disposal: Avg. TPD Transfer = 443 Peak TPD Transfer = 606 Assuming 1 truck can make 3 loads to the landfill per day (60 Tons per Truck) Thus need approx 10 transfer rigs plus spares for peak days Thus need approx B transfer rigs plus spares for avg. days MARCH 17, 2003 [ I ~ I t 1 I ,. I ~ . ,. f: I 1 1 I I i I ~ : I r I I 1 I j " ~ . L c~ I I I I '" - ' .i'':...~-:./i>" <.' r; f a \I H If i nJ _ .__._~ ,.~i~ a""II' ApPENDIX A Summary of Design Tonnage and Traffic The following Table II summarizes the monthly quantities of solid waste and trips during the 2002 year. This information was taken from the monthly reports generated by the City. Table II Month Packer Trucks Other City Veh's. Public Tot. Tons Tot. Trips Tot. Tons Tot. Trips Tot. Tons Tot. Trips Jon 4,692 930 1,177 850 912 1.239 Feb 4.164 798 867 654 1.070 1,318 Mar 4,717 849 910 733 1,320 1.509 Apr 4,823 882 830 745 1.257 1,454 May 4.884 897 741 725 1,778 1.646 Jun 4,717 845 790 757 1,609 1,809 J:ul 5.371 908 1.017 718 1.520 1.854 Aug 5,137 912 900 648 1,694 1.908 Sep 4.787 843 804 579 1,439 1.777 Oct 4.876 857 620 545 1,659 2,001 Nov 4,757 844 720 530 1,483 1.662 Dee 4.821 878 729 544 1,217 1.435 Totals 57,746 10.443 10,105 8,028 16,958 19,612 Avg. Tons/Load 5.53 1.26 0.86 CITY OF SANTA MONICA RECYCLING & TRANSFER FACILITY PAGE A-6 MARCH 17, 2003 , ,., ~:7 ~. :-.: ::~>-- ,10\ a 11 j a , Ion i n.l , ~j~?!'. I I I . . . . . ApPENDIX A i:_o .:.' Tobie III summarize weekday and Saturday Peak Tons per day. Peak Tons per day and vehicles per day were taken from the Peak Daily Worksheets. The values used was token between the average of each of the monthly peaks and the highest average of the top three days for each month. Peak vehicles per hour were taken from the Peak Hourly Worksheet. Peak vehicles per hour shown for public vehicles includes other City vehicles. s Table III Weekday Totals Packer Trucks Other City Veh' s. Public Totals Tot. Tons Tot. Trips Tot. Tons Tot. Trips Tot. Tons Tot. Trips Avg TPD 201 38 57 295 Peak TPD 275 110 110 495 Avg VPD 36 30 66 132 Peak VPD 50 45 85 180 Peak VPH 14 10 19 43 [ I I , " Saturday Totals Packer Trucks Other City Veh's. Public Totals Tot. Tons Tot. Trips Tot. Tons Tot. Trips Tot. Tons Tot. Trips Avg TPD 122 9 47 178 Peak TPD 190 25 75 290 Avg VPD 22 7 55 84 Peak VPD 35 20 87 142 Peak VPH 11 5 22 38 CITY OF SANTA MONICA ReCYCLING & TRANSFER FACILITY PAGE A-7 MARCH 17. 2003 I I lP ,,< .!.l:2 ~ ,- . :ib., .....1 n (a 'Iou iv.. , .,-5" .,. ~ ~ ~ I t. - I ~~ r.; ( I ,. l- e I I "I J J . . . I . I ApPENDIX A Per instructions from the City, the station should be designed to allow the City to toke on additional out of City waste should it become feasible in the future. Therefore, allow for an additional 250 tons per day of out of City tonnage to match what was used in preparing the facility master plan. r:. Assume 6 tons per load VPD ::: 250 I 6 ::: Peak VPH ::: (42 / 50)*16 ::: 42 VPD 14 VPH Therefore, proposed design quantities of tonnage and traffic for future conditions are shown in Table IV - I I r I t~.:. : I ~. . Packer Trucks Other City Veh's. Public Weekday Totals Totals Tot. Tons Tot. Trips Tot. Tons Tot. Trips Tot. Tons Tot. Trips Avg TPD 451 0 38 0 57 0 545 Peak TPD 525 0 110 0 110 0 745 Avg VPD 0 78 0 30 0 66 174 Peak VPD 0 92 0 45 0 85 222 Peak VPH 0 28 0 10 0 19 57 Table IV : j I:: r:;J . Packer Trucks Other City Veh's. Public Saturday Totals Toto Is Tot. Tons Tot. Trips Tot. Tons Tot. Trips Tot. Tons Tot. Trips Avg TPD 122 0 9 0 47 0 178 Peak TPD 190 0 25 0 75 0 290 Avg VPD 0 22 0 7 0 55 84 Peak VPD 0 35 0 20 0 87 142 Peak VPH 0 11 0 5 0 22 38 , I c : I o. j I I I 1 I. Note the peak public and other City vehicles per hour must be increased to correspond to the peak values of tonnage. The peak hourly values of 18 vph corresponded to daily public plus other City vehicle tonnages of approximately 125 tons to 70 tons CITY Of SANTA MONICA RECYCLING & TRANSFER FACILITY PAGE A-8 MARCH 17, 2003 f. I ~. ~ I ,- .,.l.~ ~ [1. L .1 i..:. f(! ~; .. .. ... .. c( !S Q Z W IL ~ ... . CI) G) .- .. .- .. c: as :s .0 (.) E as L.. .... 'C c: as G) m as c: c: o ~ U) ~ N o o N ... as Q) >- .. -xRI8~* aNN I\) 0.. g-. 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""'..0 va N .... IOV N.... N.... 00 ~~ .;:,c .;:,c tI tI llJ llJ a.. 0.... U V ...Q ...Q ~ :3 0.... a.. + + >> l..Jl..J 00 + + a.. 0.... Ul..J Ct) o o C'\l r-: ~ :I: o D:: <( ~ >- +- U II) ...s:: +- >- .J:I -0 II) ...s:: VI c L.. ~ <4- VI +- t.. o .D... llJ L.. .~ <4- "t- tI L.. +- -0 c o llJ 0'1 tI .c C o +- 2- ...s:: +- c o E llJ ...s:: +- E o L.. <4- C II) .;:,c o +- II) t.. llJ ~ ~ :J g ~ tI II) a.. 2- ...s:: +- c o E llJ > o .J:I o llJ ...s:: I- o ..- <i: w o <( a... ~ ::J U <( u.. D:: <(w OIL ZW o~ ~D:: <(I- !z~ <(0 (J)Z lL::J 00 >-G CW 00:: ~ I ~ ~ L; I - I [' 1 ~~ , I r I - I , I : I lOo" . 1 I": I I 1 I J I 1 I I ~, . '_I~\:-:~ , ~~,r'f1E "'anla 'Ioni.-a . [--:-"'''-~<. f.;:. ..1111.. ApPENDIX A Hourly Traffic Counts Hourly Traffic Counts for Public and Other City Vehicles Avg. Peak Peak/ Avg Date 6AM 7AM 8AM 9AM lOAM 11AM 12PM IPM 2PM 3PM Hr. Hr. Ratio 25-Mar 5 9 9 11 4 8 11 5 3 1 7.22 11 1.52 26-Mar 2 8 5 2 8 8 8 9 3 0 5.89 9 1.53 27-Mar 7 7 9 2 10 7 11 8 7 0 7.56 11 1.46 28-Mar 5 13 7 4 4 6 13 5 0 0 6.33 13 2.05 29-Mar 1 8 7 7 7 8 8 3 0 0 5.44 8 1.47 3D-Mar 2 4 8 4 3 7 4 5 2 0 4.88 8 1.64 24-J un 3 12 13 7 14 7 8 10 3 0 8.56 13 1.52 25-J un 3 7 7 11 6 9 9 13 7 0 8.00 13 1.63 26-J un 1 5 8 15 9 5 4 9 3 0 6.56 15 2.29 27 -J un 6 5 9 12 8 11 9 8 0 0 7.56 12 1.59 28-Jun 2 6 10 14 9 17 9 7 2 0 8.44 17 2.01 29-J un 0 9 4 13 10 14 6 13 0 0 8.63 14 1.62 12-Aug 4 7 10 6 10 6 7 4 2 0 6.22 10 1.61 13-Aug 4 8 11 10 5 4 10 2 4 0 6.44 11 1.71 14-Aug 5 8 8 3 11 9 5 7 2 0 6.44 11 1.71 15-Aug 3 6 5 11 12 14 7 8 3 0 7.67 14 1.83 16-Aug 2 11 3 8 11 9 12 6 4 0 7.33 12 1.64 17-Aug 4 4 5 8 9 14 18 13 4 0 8.78 18 2.05 7 -Oct 4 8 10 7 5 7 9 13 4 0 7.44 13 1.75 8-0ct 5 7 8 10 15 10 9 14 4 0 9.11 15 1.65 9-0ct 3 10 8 10 8 12 13 9 3 0 8.44 13 1.54 IO-Oct 6 12 8 4 9 6 15 14 1 0 8.33 15 1.80 ll-Oct 2 6 11 8 10 13 7 13 2 0 8.00 13 1.63 12-0ct 0 7 10 6 8 17 11 13 2 0 9.25 16 1.73 Avg. M-F 3.65 8.15 8.3 8.1 8.75 8.8 9.2 8.35 2.85 0.05 Peak M-F 7 13 13 15 15 17 18 14 7 1 Peak Sat 4 9 10 13 10 17 18 13 4 0 Use Peak Hr. to Avg. Hr. Ratio of 2.0 CITY OF SANTA MONICA RECYCLING & TRANSFER FACILITY PAGE A-11 MARCH 17, 2003 - - ~ ~l' I~ ; a , I H lJ i .- a . ---: ~)- , ,fr! IIIIIIII ApPENDIX A Hourly Traffic Counts for All Vehicles Date 6AM 7AM 8AM 9AM lOAM 11AM 12PM IPM 2PM 3PM 4PM 25-Mar 9 16 13 19 12 14 17 13 13 5 6 26-Mar 3 10 11 9 20 15 13 23 15 2 8 27 -Mar 8 10 14 8 23 14 18 23 17 6 0 28-Mar 5 15 12 13 15 11 23 9 11 6 2 29-Mar 2 12 10 18 14 17 12 8 6 1 3 3D-Mar 2 5 10 11 7 10 11 11 3 2 0 24-Jun 7 14 18 17 24 19 15 16 15 4 2 25-J un 6 11 9 22 11 17 16 24 15 5 5 26-Jun 2 7 13 22 21 15 8 20 15 9 1 27-Jun 9 7 13 23 15 22 16 16 11 3 6 28-Jun 1 9 14 21 12 22 17 16 12 2 5 29-Jun 3 9 a 20 12 21 9 18 3 0 0 12-Aug 7 13 15 20 22 21 11 12 18 5 4 13-Aug 4 10 12 22 11 11 14 12 9 9 2 14-Aug 7 11 14 14 20 16 16 16 10 8 2 15-Aug 5 9 9 18 24 20 14 18 14 9 3 16-Aug 3 14 9 12 14 21 17 12 10 4 2 17-Aug 4 5 9 12 11 19 23 18 6 0 0 7 -Oct 6 14 17 14 14 14 18 21 13 8 6 a-oct 5 a 10 14 25 15 16 23 _ 11 13 3 9-0ct 6 12 14 15 20 15 25 21 14 3 4 1O-0ct 8 17 13 10 20 11 21 23 10 4 3 11-0ct 4 7 13 13 16 19 12 19 6 3 6 12-0ct 2 8 10 11 11 22 14 19 2 0 0 Avg. M-F 5.35 11.3 12.65 16.2 17.65 16.45 15.95 17.25 12.25 5.45 3.65 Peak M-F 9 17 18 23 25 22 25 24 18 13 8 Peak Sat 4 8 10 20 12 22 23 19 6 2 0 CITY OF SANTA MONICA - ReCYCUNG & TRANSFER FACILITY PAGE A-12 MARCH 17, 2003 f I l;. Oi- ; I ~~ :', 1 i I .~, r;. ~ I : I - I I - I " I c", ~' I I "' I J I I I I I ... - '. .,.~ .:;' ~t [; (a , I H n i ..... _ ,}~'" - '.-- E-;::'-:~ ..111... ApPENDIX A Hourly Traffic Counts for City Packer Trucks [)ate Avg. Peak/Avg 6AM 7AM 8AM 9AM lOAM 11AM 12PM IPM 2PM 3PM 4PM Hr. Ratio 25-Mar 4 7 4 8 8 6 6 8 10 4 6 6.45 1.55 26-Mar 1 2 6 7 12 7 5 14 12 2 8 6.91 2.03 27 -Mar 1 3 5 6 13 7 7 15 10 6 0 6.64 2.26 28-Mar 0 2 5 9 11 5 10 4 11 6 2 5.91 1.86 29-Mar 1 4 3 11 7 9 4 5 6 1 3 4.91 2.24 3D-Mar 0 1 2 7 4 3 7 6 1 2 0 3.00 2.33 24-Jun 4 2 5 10 10 12 7 6 12 4 2 6.73 1.78 25-Jun 3 4 2 11 5 8 7 11 8 5 5 6.27 1.75 26-Jun 1 2 5 7 12 10 4 11 12 9 1 6.73 1.78 27-Jun 3 2 4 11 7 11 7 8 11 3 6 6.64 1.66 28-Jun -1 3 4 7 3 5 8 9 10 2 5 5.00 2.00 29-J un 3 0 4 7 2 7 3 5 3 0 0 3.09 2.26 12-Aug 3 6 5 14 12 15 4 8 16 5 4 8.36 1.91 13-Aug 0 2 1 12 6 7 4 10 5 9 2 5.27 2.28 14-Aug 2 3 6 11 9' 7 11 9 8 8 2 6.91 1.59 15-Aug 2 3 4 7 12 6 7 10 11 9 3 6.73 1.78 16-Aug 1 3 6 4 3 12 5 6 6 4 2 4.73 2.54 17-Aug 0 1 4 4 2 5 5 5 2 0 0 2.55 1.96 7 -Oct 2 6 7 7 9 7 9 8 9 8 6 7.09 1.27 8-0ct 0 1 2 4 10 5 7 9 7 13 3 5.55 1.80 9-0ct 3 2 6 5 12 3 12 12 11 3 4 6.64 1.81 10-oct 2 5 5 6 11 5 6 9 9 4 3 5.91 1.86 11-0ct 2 1 2 5 6 6 5 6 4 3 6 4.18 1.43 12-0ct 2 1 0 5 3 5 3 6 0 0 0 2.27 2.64 Avg. M-F 1.7 3.15 4.35 8.1 8.9 7.65 6.75 8.9 9.4 5.4 3.65 Peak M-F 4 7 7 14 13 15 12 15 16 13 8 Peak Sat 3 1 4 7 4 7 7 6 3 2 0 Note: The above hourly traffic counts were taken fro In the quarterly traffic reports for each day during one week per quarter, as provided by the City. Use ratio of peak hour to average hour for packer trucks of 2.5 CITY OF SANTA MONICA RECYCLING & TRANSFER FACILITY PAGE A-13 MARCH 17. 2003 i.1 e; ~ I I r I 1.;:_: f I ~ I - I i ~ I :, [ ~ I ~. . [:; t 1 ~} , I I I I I J I I - ~. ~ - \ -: ~Li_ .....HIIla \Ioninl _!}~,/;; ., "I" I I . I . . . . APPENDIX B Appendix B Santa Monica Recycling & Transfer Facility Conceptual Site Plan L'_" CITY OF SANTA MONICA RECYCliNG & TRANSFER FACILITY MARCH 17. 2003 I ',>.. '/ I \,}.:, I ft I ,..-.J z i ~ I p ~ I ~ ~ /1 ~ , I: '1~ ~ ~ /. :~ a ( I I . <<;::=::;\;'0"::;>' ., ....;-:" ~ ~. ' "~"O['_} ___, 11 I ---~.- I ' r--r-- I ' , '. " , I ". "." \. \ , , " " ' ..... . , __m ------ I i .---~-- I lllj' _or. rom. 8 I II l. I~___ ,------ --- I f--t;::r'! _ I r-- ~ L _m' - I m --. [{ 12 I ! ~ "~;;dJ 1 · I !'j · I r ,--------- I I f I J I p------ I . roo' I t i I i [--,t" " I i ~ I i I r I I I I : I! ~'O / 1------: I I ~r----- \ i Im.n J I j' ',t-_ , ' '--'--r!--"-"j i l""",.j ~ I l ---'f"--, I 11-.....:;; , J,' I I " J I' I .I. ",', - - s.._______ J I .' I OJ "', . '" 1, .. I .. i, , ! j ; l.i I t l I I f i '.,i , .' t .. i .. I I I I I I I I~ lii po;!> Ii ;l!~ ;a ~ ~ } 6}~ L I~ ti j I I I I j I J ~ ~; I ---~-- ~,/~~.L-, .o:;.:::J." ~ : (l(f'r=t:J dlJ 8-.. --=> Corporation Yard Recycling & Transfer Facility Study Chapter Three Evaluation of Existing Southern California Disposal Transfer Station Introduction HDR Engineering was commissioned to evaluate of the SCD facility and its ability to handle the City's waste stream (current and projected) in addition to the current and projected volumes processed at the facility. The report focuses on the current configuration, size, accessibility to and maneuverability around the SCD facility, as well as the ability to physically process the projected volumes and types of waste materials from the City. As detailed in Section 4.0 Summary of the HDR Report, the existing SCD Transfer Station cannot handle the projected volumes of tonnage and traffic in its current configuration, or in an expanded configuration on the current property. This chapter includes the HDR Engineering, Inc. Evaluation Report dated March 17,2003 in its entirety. City of Santa Monica Corporation Yard Santa Monica, California 3.1 March 2003 Recycling & Transfer Facility Study RNUHDR - Ct t..,~ C f : ~,.',>i'.~~f:. :: Sit It. H .\Ion i(~.., ," ~:i~;~1~~ ~~EIIIIIB Evaluation of Existing Southern California Disposal Transfer Station March 17, 2003 I: : Prepared for: i I: City of Santa Monica Solid Waste Division Prepared by: fiR HDR Engineering, Inc. 6190 Golden Hills Dr. Minneapolis, MN 55416 I ~ "- ? '?'- ~ -: ~'~J-t\ .... .." ,; I a "\ I.. n i c. .. " ' .'~:)~r:" 1.0 1.1 1.2 2.0 2.1 2.2 2.3 2.4 2.5 2.6 3.0 4.0 J i I I I I . . . TABLE OF CONTENTS Table of Contents Background ....... .............0. ......... .... ............ .........,.. ........,..... ..'................,...................... 1 Facility Requirements............ ................ ............................................ ..... ............ ......... 1 Waste and Traffic Quantities ............. ........ ...... ..... ...... ........ ........... ............. .... ....... ......2 Existing Station Spatial Eva luation.......... ........... .................... ...... ......................... ......3 Unloading Space. ..... ....... ...... .... ......................................................... .........................3 Queuing & Vehicle Maneuvering Space .. ........... .............. ..... ........... ........ ........ ..........4 Waste Storage........ ............. ....... .... .... .... ... ... ..... ........................ ..... ........ ..... ................4 Recycling Activities .... .......... ........... ... .....;.......... ...... ............ ....... .... .... ................ .........5 Transfer Load-out.. ..... ............... ..... ... ............................................. .............................5 Sorting and Recycling........... .... ... ... ............ ....... ............ ..... ......... ................................6 Expansion Potential of SCOTS. ...... ............. ........... .................... ............ ............... ,...... 6 Summary............. ................. ....... ................. ............ ......................... n. n......'........... ...... 7 Appendix C Southern California Disposal Transfer Station Evaluation Analysis SOUTHERN CALIFORNIA DISPOSAL TRANSFER STATION PAGEi MARCH 17. 2003 ~ I O;i-' ; \ , . :~ I i.,;;, ~ 1 ~;l ~ r 1 - I [ ) tl ( I ~;c' [ \ :1.", ~ ", I t ~, ~-: i I ~'. ... , I I :i. - . ~, -.I- ':, .~'f]; < a II I a "H n i 4' a _: ,_: _ ":;'~~ ,~ I I I I I I I I BACKGROUND 1.0 BACKGROUND In conjunction with RNL Design's previous efforts to conduct a study of the City's needs to improve their existing Corporation Yard (Corporation Yard Master Plan Study), HDR evaluated the feasibility of relying on the existing Southern California Disposal Transfer Station (SCOTS) to accommodate the needs of the City and its public users as an alternative to constructing a new City owned transfer and recycling facility. The evaluation concluded that the SCOTS was not capable of safely accommodating anticipated volumes of tonnage and traffic. Recently HDR was retained, as a subconsultant to RNL Design, to determine the validity of the previous study based on more recent information on the existing waste stream. 1.1 FACILITY REQUIREMENTS In evaluating the capability of the SCOTS to meet the City's needs, HDR has assumed the same requirements that were required in the development of a new City Recycling and Transfer Facility need to be applied to assessing the SCOTS. These requirements include: .... Traffic flow patterns must safely accommodate anticipated volumes of the ditterent types of users and vehicles on site and off public streets; .. Sufficient space needs to be allocated to allow planned recycling, waste handling and transfer activities; .. The recycling and transfer facility should be enclosed in metal building construction to control potential environmental impacts; ... The transfer operation planning should incorporate the most cost effective transfer technology for the City. Open top technology shall be employed with provisions for installing preload compactors in the future if conditions warrant; .... Waste handling operations in the transfer building should be buffered or shielded from neighboring businesses and uses; .... The recovery of waste tipped at the transfer station should be accommodated in the station planning. As such, the transfer station should consider two transfer load-out openings, one of which could be used for wood/green waste or C&D load-out and transfer, and; SOUTHERN CALIFORNIA DISPOSAL TRANSFER STATION PAGE 1 MARCH 17, 2003 ~ ) b - \ c I ~ I i L ,. ~ ,. - I I I I I , I r,. ~ , l I l I j J j I ~:.. "- ~ t, :~: JJ~ ...; a n (it .\1 H II h. 4l .J()l > ~ . v;:"~'"~ , BACKGROUND ,J ~ , ~ I . I I I P ... Open floor space adjacent to the transfer tipping and waste storage area shall be provided for recycling activities. Adjacent to this space shall be bi-Ievel "2" wall spaces for roll-off containers of recovered materials. 1.2 WASTE AND TRAFFIC QUANTITIES For purposes of evaluating the capacity of the existing SCOTS, existing tonnage collected by SeD must be added to the City's current tonnage. In addition, some growth in the commercial waste stream should be included in the evaluation of the SCOTS. Table I below presents current volumes of tonnage and traffic at the existing City facility. Table I Existing City TS Tonnage and Traffic l T atals !I_~!!' f'"-cI<~~_J:ru_cl<sl L ()therCitr Vehicles) .... P"blic_. - i I T olal. ! .--------....-.j t~~~I~!'_~j l!~!!'~_Ir.p~J l !~t_~I_!.~.n.~II,. otal!~~p~.J I "f()tal.,. ()~!:i J L,. ()t.d. ,.r.iJl~J ... .. ..._ .... ... J IL~kI[p~lf---~;-[f- .- ~IL -- 1 ~~"jL ~---II---i~H --------+ = ~:~i II------.----;--IC ..- r- ...1 _IL_ .L~~YJ[.'y-~Q__..i Ln.._ .._.: en ........ 315n. I r~----;r-.-.--~30--] [-.-.==~lr_.___--n--66--e~ [---1 ~?: IL~~\!PQ.jL ._1_ ~olC '[~5 i[ JC B~. iL1BQil IL~.Y..PJ:LJ L~...._n___'_.J 1_._""_____.14_J [ ... ..._u_.. ! [~--1o-1 [____~:____~~~ll. ... ... ...1~. ."J L.. ..~~4~: While the existing SCOTS is permitted to accept 1,056 tons per day (TPD), according to monthly records provided by the LEA, in 2002 the throughput was approximately 270 tons per day with estimated peak daily tonnages of roughly 350 tons per day. To allow for future growth in the commercial waste stream, an additional 100 TPO will be assumed to be delivered to the facility, resulting in average and peak daily tonnages of 370 and 450 tons per day respectively. Table II below incorporates the additional SCO waste stream plus the projected future increase of 100 TPD in the commercial waste stream. In the absence of actual SCD scale records, peak daily and hourly traffic estimates were derived from the relationship between average and peak City Packer Truck volumes. It is understood that the station is open to receive waste 6 days per week. SOUTHERN CALIFORNIA DISPOSAL TRANSFER STATION PAGE 2 MARCH 17, 2003 I c \ - I I :- I I t l r, . I I 1-' -- "-' :, c ~ .:,>?~~H;~ Sa n (a \Inn iC-;1 ';" ;;}l. ~ .~,7.;,; s~>;- SPATIAL EVALUATION '..r. i ~ fl. . I I I II I ! Public j Totals ! Tons! Trips , jl.~=-jL?~L~JI~~.~=~:~~:jL~~i~- _.m ......_.. .'_ L~~~J!'p._.! L.~?~__....J L.... H_.j 1__J.1Q.. .. L~y'~QJL~w .._.JL..~6........1L_. .. ....__. . 30 L_~~~~.Yf=>Qm.J 1_____..1 L .5Q .... ... j 1___ .. ...... j I.... 45 IL~~~.Yf!:f.....iLn_..n.i[~==]L=.JL 10_.__.___ Table II Pro.ected Tonna e and Traffic at SCOTS ij 'I :1 n_' i Totals ~ i 'I ._.iL .1 ,I .,t " ....Ioon.._ Note that since data was not available on existing SCD traffic quantities, it was assumed that all existing tonnage arrives in collection trucks with average payloads equivalent 0 City packer truck payloads. In reality, some traffic deliveries to the SCOTS includes the public and small vehicle haulers with much smaller payloads. Thus average and peak traffic quantities will likely be higher than those shown above and included in the analysis of the existing station. 2.0 EXISTING STATION SPATIAL EVALUATION 2.1 UNLOADING SPACE Inside the transfer station building, sufficient space must be provided to accommodate reasonably expected peak incoming traffic. To accommodate anticipated peak hourly incoming traffic flows of 47 City and SCD collection trucks and 19 public vehicles, 3 - 15 ft. wide packer truck unloading stalls plus 5 - 10ft. wide self-haul unloading stalls are required. Thus, the minimum width of the transfer building is approximately 100 ft; however only approximately 65 ft. of existing building width is available for vehicle unloading. Thus, the existing SCDTS building is not large enough to accommodate anticipated waste delivery volumes. The above evaluation is based on an un-conservative assumption that aU materials currently being delivered to the SCOTS are coming in trucks similar to the City's paCker trucks. While we do not have data on actual vehicles coming to the facility, the facility currently accepts some small hauler and self haul loads. Therefore, it is reasonable to expect that during peak hourly traffic flows the number of smaller vehicle unloading stalls will need to be greater than the 5 stalls stated above, thereby making the situation worse. Supporting analyses for determining required unloading space and spatial requirements for subsequent elements of the facility are SOUTHERN CALIFORNIA DISPOSAL TRANSFER STATION PAGE 3 MARCH 17, 2003 , ) ~~ ~ - I - I ~ I I I I r l :. I w ] I I I j ! j I r- t \ - - ; ~ ..~~~~. ':"il-';'a \louic'a _ ".,',!.~_~ ~ ~,,"'.;.-, ~<t'j ~ i I Iii . . . . SPATIAL EVALUATION included in Appendix C. 2.2 QUEUING & VEHICLE MANEUVERING SPACE Sufficient space should be provided before the entry scale to accommodate the peak hourly flow of traffic into the facility. Allowing for 30 seconds transaction time for packer truck collection vehicles and 45 seconds for other vehicles, one entry scale should be adequate to accommodate this volume of traffic. To allow for the fact that the incoming traffic will not be uniform over the peak hour, sufficient space should be provided to stage instantaneous arrivals of 4 to 5 vehicles. Likewise, sufficient space between the inbound scale and the tipping area should be provided to accommodate the surges in traffic. Space for 4 to 5 vehicles should be provided. The existing SCOTS has only one scale for weighing both inbound and outbound traffic. This scale is located immediately off Frank Street inside the facility gate. Space is available on site for only about 1 vehicle to queue up in front of the scale. Therefore under peak conditions, 3 to 4 (if not more) vehicles will need to queue up along Frank Street outside the fence line. This condition will be exacerbated when un-tarred vehicles need to be weighed outbound in the absence of a separate outbound scale. Furthermore, the entry scale is located immediately adjacent to the maneuvering area into the tipping floor, and only approximately room for one vehicle that has been weighed is available while waiting for a space to open up inside the building to unload. Due to the lack of space on the site in front of the tipping floor, there may not be enough room for vehicles that have unloaded to exit the station at the same time that vehicles are pulling off the scale to unload. Exiting traffic most likely will have to exit the same gate that the transfer rigs use to back to the transfer ramp because of likely queues blocking the entrance gate in front of the scale. The existing scale is 30 ft. long, per the Van Dorpe and Associates drawing. This may not be long enough for all the potential types of vehicles that would use the facility. 2.3 WASTE STORAGE To be consistent with the criteria used to size the proposed new City Recycling and Transfer Facility, to accommodate upset conditions sufficient space shall be available inside the building on the tipping floor to accommodate the average design throughput of the facility, or 666 TPD. With a 12 ft. high waste containment I push wall along the back of the building, approximately 200 tons of material can be accommodated on the tipping floor allowing for room for the front SOUTHERN CALIFORNIA DISPOSAL TRANSFER STATION PAGE 4 MARCH 17, 2003 I - \ - I ~ I I i ! I c I . ( I ~; j I I I I J I j '"_I t. :: - ~ ~ .!:'~i' S.a n (a .\1 0 fJ i ...t .}o~~~i;J t.. ~ I I I I I I SPATIAL EVALUATION end loader to operate and load the transfer trailers as well as allowing for some room for collection trucks to run out their loads without waste being dumped outside the building. Thus the existing building falls far short of being able to store the anticipated daily volume of materials. Another approach is to make sure the tipping floor can hold peak surges in waste deliveries while at the same time a front end loader moves materials off the tipping floor into transfer trailers. Assuming 2 consecutive hours of peak waste deliveries (259 TPH) and a transfer loadout rate of 80 TPH, approximately 360 tons of storage needs to stored on the tipping floor to avoid disrupting deliveries. The existing floor appears to be undersized to provide this storage. 2.4 RECYCLING ACTIVITIES To provide for the recycling needs of the City, sufficient space must be available off the tipping floor for recovery, storage and staging of recyclables for market. The recycling activities may initially include manual removal of source-separated loads or material from mixed waste on the tipping floor. This will require space for storing materials and for off-loading to rolf-off bins or the transfer trucks. Approximately 8,000 s.f. of covered floor area adjacent to the transfer station tipping floor was to be provided at a new City Recycling and Transfer Facility for materials recovery operations. Along one side of this area, a bi-Ievel "l" wall configuration was to be provided to accommodate the storage of recovered materials into roll off containers. The existing SCDTS provides approximately 1,000 s.f. of available floor space oft the tipping floor, which is significantly less than what the new City facility was to be provide for recycling operations. Furthermore, the SCDTS does not provide for biMlevel "l" waif rol/-oft container storage for loadout of recyclables. 2.5 TRANSFER LOAD-OUT The station must provide for the transfer of the maximum expected tonnage received in any given day, since it is a requirement of their permit to clear the floor daily. With the top loading transfer configuration, one open top port should be able to provide the capacity to load 4 trailers per hour. At 20 tons per trailer and a 12 hour operating schedule per day, one open top transfer port is theoretically sufficient to accommodate the anticipated peak daily tonnage. To accommodate likely discontinuity in transfer vehicle traffic flow, and to accommodate the separation of MSW transfer from other materials load-out (such as wood waste or yard waste), two transfer ports were recommended in the configuration of a new City facility. Only one port is provided at the SCDTS, thus restricting the flexibility of concurrent multiple materiallcad-out. SOUTHERN CALIFORNIA DISPOSAL TRANSFER STATION PAGE 5 MARCH 17, 2003 r j [ I [ I rL I "'~ I.'. I L ['; I ~.; I ; I t,.; ~' l , ~j 1 I ~ [ I ':;-:'1 rJ I j I j I J ----- Ct~ .,~ ,"-!~:. ~anla 'IHIIi4'..1 .. _ <-~i~ BACKGROUND 'I I . I I I I 1 . The existing transfer port inside the building is a back in operation. Transfer vehicles maneuver on the cul-de-sac at the end of Frank Street and back down the ramp into the transfer area. After they are filled they pull up out of the ramp and back out onto the street to tarp over the load. They must do this to clear the way for a second transfer vehicle to get down in the transfer area to maintain operations. In the absence of loadout scales in the transfer area, on board vehicle scales are necessary to monitor payloads. Space at the tipping floor level is very limited and does not allow room for stationary or mobile tamping crane(s). Alternatively, a front end loader equipped with an oversized bucket can be used to tamp the waste in the trailers to obtain optimum payloads. In contrast to the proposed new City facility, the SCDTS does not provide for the capability of installing high capacity pre-load compaction equipment to load containers for rail shipment if deemed necessary some time in the future. 2.6 SORTING AND RECYCLING Buy-Back Center and Commingled Recycling Operation - Currently the Allan Company occupies approximately 55,000 SF of space on the corporation yard site to separate curbside collected reeyclables and accommodate general public recycling. The goal of the Master Plan was to reallocate space for this facility to enhance operations and integrate functions with the transfer station where it makes sense and is possible. Review of the current facility indicates that maneuvering is tight in areas, requiring three-point turns by trucks and cross traffic in areas. Significant space is used for parking of the public delivering recyclables. The facility should be adjacent to the transfer station to provide logistical movement of recyclables and residuals. The Master Plan layout accommodates this objective. 3.0 EXPANSION POTENTIAL OF SCDTS It is HDR's understanding that in addition to the property that the existing SCOTS is located, SCD owns the following properties nearby: ... Approximately one-third of an acre on the east side of Frank S~reet adjacent to the Santa Monica Freeway; SOUTHERN CAUFORNIA DISPOSAL TRANSFER STATION PAGE 6 MARCH 17, 2003 I - I I , I ! - I , I f I I I it ( I L j 1 I I j I j I I I I I f I I I I SUMMARY back-ups onto public roads, and likely will result in waste materials piling up and blowing out of the building. The existing facility lacks the amount of space the City has targeted to conduct recycling operations off the tipping floor. The City currently recovers certain recyclables from the wastes delivered to their facility to meet its recycling goals and minimize waste disposed of. Approximately 8,000 sJ. of floor space has been programmed in the City's proposed new facility with bi-Ievel construction for roll off container storage. The existing SCDTS has far less space available. While the SCDTS is currently permitted to accept 1,056 tons per day over a 12 hour operating schedule, due to constraints in the size of the building and site, we do not believe the station has the capacity to actually handle this volume on a regular basis. Also, in SCD's proposal to the City, no detailed information was provided that would demonstrate otherwise. SOUTHERN CALIFORNIA DISPOSAL TRANSFER STATION PAGE 8 MARCH 17, 2003 I - I - I ~ I " ~ I I~. c 1 ~ I ; I ~ I l J , I I I I I I ApPENDIX C Appendix C Southern California Disposal Transfer Station Evaluation Analysis ! I ,. ~ I '. I I r j I I ) ,. L: SOUTHERN CAliFORNIA DISPOSAL TRANSFER STATION MARCH 17, 2003 I - I c I ~ 1 , (: .- I - I ~ I Ii r I I: l ~ I '" c. ~" I l:i : I I I j I j I J I L - , ..., .: -;- , -' ~~i~~~ ,'-..1 n r a 'IHn i.'a _.' _uJ~~' ~ ~ ",_7",~;'j;"" 111.....1 ApPENDIX C Sizing Calculations A. Following is a Table of Transfer Station Design Criteria Taken from the Summary Design Quantities Worksheet Table I Projected Tonnage and Traffic at SCDTS Totals . City Packer Trucks Other City Veh's. Public SCD + Commercial Totals Tot. Tons Tot. Trips Tot. Tons' Tot. Trips Tot. Tons Tot. Trips Tot. Tons Tot. Trips Avg TPD 201 38 0 57 0 370 0 666 Peak TPD 275 0 110 0 110 0 450 0 945 Avg VPD 0 36 0 30 0 66 0 66 198 Peak VPD 0 50 0 45 0 85 0 82 262 Peak VPH 0 14 0 10 0 19 0 23 66 B. Transfer Station Sizing Calculations Sizing Assumptions: Daily Hours 5:00 AM to 5:00 PM = Weekend Hours 6 AM to 2 PM Avg. Packer Payload = Avg. Public Payload = Avg. Other City Payload = 12 Hours 8 Hou'rs 5.50 Tons 1.29 Tons 2.44 Tons Mon - Fri Sat Peak Days Peak Days CITY OF SANTA MONICA TRANSFER STATION PAGE C~1 MARCH 17, 2003 [...1 ~ . [~~ . . ~ .:. .. ~ C~{ ';\:~3Q;;: <.,; ... .\1 H II i nl ;' 3f!~: _~ r "'Q ~~. - I I ~ 1 ~:.. ~ I I ,. I t;. r I i I .- " Ill'....I. ApPENDIX C Vehicle Unlo(l;dinQ Area Sizing Incoming Peak Daily Collection & Commercial Truck Tons = Incoming Tonnage Per Peak Hour = No. Vehicles Per Peak Hour = Assumed Truck Unloading Cycle Time = No. Unloading Stalls Req'd. = Unloading Stall Width = Unloading Area Length Req' d.= 725 Tons 203 Tons 37 Trucks 5 Minutes 3.08 Stalls 15 Feet 45 Feet / "' Incoming Peak Daily Other City Vehicle Tons = Incoming Tonnage Per Peak Hour = No. Other City Vehicles Per Peak Hour = Assumed Truck Unloading Cycle Time = No. Unloading Stalls Req'd. = Unloading Stall Width = Unloading Area Length Req' d.= 110 Tons 24 Tons 10 Vehicles 5 Minutes 0.83 Stalls 12 Feet 12 Feet r. I r.. ~I Incoming Peak Daily Public Vehicle Tons = Incoming Tonnage Per Peak Hour = No. Public Vehicles Per Peak Hour = Assumed Truck Unloading Cycle Time = No. Unloading Stalls Req' d. = Unloading Stall Width = Unloading Area Length Req'd.= 110 Tons 25 Tons 19 Vehicles 15 Minutes 4.75 Stalls 10 Feet 50 Feet ~ I ~ I ! I J I I I I Total Unloading Area Length Req'd. = Total No. Unloading Stalls Req'd. = 107 Feet 9.00 Only approximately 65 ft. of unloading building width is available, thus the existing tipping floor is insufficient to handle anticipated traffic. Additionally, the above analysis makes the unconservative assumption that all existing tonnage received at the SCD TS comes in packer trucks. Since some of the tonnage is being delivered by small volume haulers and the public, actual traffic counts will be higher than those included in HDR's analysis, thus requiring more unloading space than shown above. CITY OF SANTA MONICA TRANSFER STATION PAGE C-2 MARCH 17, 2003 '" i;~ ii :;~ t-~ 111'11'. ApPENDIX C " I I - I ~ I r I ~ I Transfer Unloading Ports Required 1..> Avg. Daily Tonnage to Transfer = 666 Tons Peak Daily Tonnage to Transfer = 945 Tons . Assumed Average Transfer Truck Loading Cycle Time = 15 Minutes Assumed Top Loading Transfer Vehicle Payload = 20 Tons Hourly Transfer Capacity Per Hopper = 80 Tons No. Transfer Hours Per Day = 12 Hours No. Transfer Ports Req'd.on Average Days = 0.69 No. Transfer Ports Req'd.on Peak Days = 0.98 No. Ports Provided = 1 Recommend 2 Ports to provide redundancy in loading out different materials, and to allow for some discontinuity in loadout operations during peak daily tonnage conditions. ,. i..;." , I c I Transfer Station TippinQ Floor Waste Storage Holdina Capacity Required I ; I ~ I I Total Incoming Refuse Tons (Peak Day) = Peak Hourly Waste Delivery Rate = Max. Hourly Transfer Capacity wI 1 Loadout Ports = 945 Tons 259 Tons 80 Tons Therefore, with 2 consecutive hours of peak delivery rates, approximately 360 tons of waste will accumulate on the tipping floor. To be consistent with criteria used to size the Tipping Floor of the proposed City Transfer Station, size Tipping Floor to accommodate approximately daily average throughput = Assumed Storage Pile Height = 12 Ft. Assumed Storage Pile Density = 350 P.C.Y. S. F. Floor Storage Required = 7,650 SF For 1 complete Day 666 Tons S. F. Floor Storage Required = 4,629 SF For 2 consecutive Peak Hours Plus allow for pile slopes CITY OF SANTA MONICA TRANSFER STATION PAGE C-3 MARCH 17, 2003 ~.. I If,, I ~~. ~ 1 ~~ :..~-. ;. I i. n, r., I ~.;- ~... ~. I ~, t:: " I I t: I h f I f: L (;. L ~ j Ii; ~I ! I ~ [ I b J j I r _ l ~. ::: - . "' .~:t;:.~ , I. '"<J-' ....Olllla OBI.'" _ ",,~~I;"i., ~, i' "=?" I:, * I ! . B . . . . APPENDIX C Entry and Exit Scale Requirements No. Collection Trucks Per Peak Hour No. Self Haul Vehicles Per Peak Hour Assumed Transaction Time Per Credit vehicle = Assumed Transaction Time Per Cash Vehicle = No. Entry Scales Required = 37 Trucks 29 Vehicles 0.5 Minute 0.75 Minute 0.67 Transfer Trailer ReQuirements Avg. TPD Incoming = Peak TPD Incoming = 666 Tons 945 Tons Avg. Current Daily Outbound Recovered Materials in Roll Off Boxes Taken from City Report: Item TPD Loads Metal 2.5 0.5 OCC 2.5 0.5 C&D 50 6 Project Current Outbound Recovered Materials to Future Based on Ratio of Avg_ TPD Design / Avg. TPD 2002 = 666 / 296 = 2.25 Item Metal OCC C&D TPD Loads 5.625 1.125 5.625 1.125 112.5 13.5 Thus the following tonnage will be required to be transfer for disposal: Avg. TPD Transfer = 542 Peak TPD Transfer = 769 Assuming 1 truck can make 3 loads to the landfill per doy (60 Tons per Truck) Thus need approx 13 transfer rigs plus spares for peak days Thus need approx 9 transfer rigs plus spares for avg. days CITY OF SANTA MONICA TRANSFER STATION PAGE C-4 MARCH 17. 2003 ~ ~ k~-: ~~. - - tl~.~':: .' "~~':;~~ ... Of 11 fall Hili nl _.; }3'~ '.'~'. . j.: i I I . . . I . . ApPENDIX C Summary of Design Tonnage and Traffic :. \ ~ 1 ~ J - I ~ I ~ I ~ ~ ~ I lh [j I I I This analysis represents the situation where the City directs its entire waste stream to the existing Southern California Disposal Transfer Station (SCDTS). Table I below represents the volumes of tonnage and traffic at the existing City TS. This information was derived in Appendix A of the Basis of Design Report for the City's Recycling and Transfer Station. The analysis of the City's Recycling and Transfer Station showed that weekday conditions governed over Saturday conditions, thus for analysis purposes, only weekday conditions will be considered. r ro,: Totals City Packer Trucks Other City Veh's. Public Totals Tot. Tons Tot. Trips Tot. Tons Tot. Trips Tot. Tons Tot. Trips Avg TPD 201 38 57 296 Peak TPD 275 110 110 495 Avg VPD 36 30 66 132 Peak VPD 50 45 85 180 Peak VPH 14 10 19 43 Table I Existing City TS Tonnage and Traffic 6 In additian to these volumes, the SCDTS must accommodate its own collection forces, which according to year 2002 LEA records indicate average approximately 270 tons per day over the course of the year. However during heavier months the average tons per day is over 300 tons, with peak days probably in the 350 to 400 tpd range. Thus for purposes of this anaylysis, 270 tpd average and 350 tpd peak will be used to represent existing conditions at the SCDTS. In addition to this, the facility should be designed to accommodate anticipated growth in the commercial waste stream. For purposes of this analysis, that growth will be assumed to be 100 TPD. CITY OF SANTA MONICA TRANSFER STATION PAGE C-5 MARCH 17, 2003 ~I \ ~ I ~ I - 1 i.~ ' .' I ~ I - I I '" l... ~; I' ~ t. ~: ~ ~.. :_~~~~ l.*c"" ,1o.;.lIlfa \Joninl _' ;.;J'~~}~ . I . I . . . I ApPENDIX C Table IT presents the volumes of tonnage and traffic that the SCDTS must be able to accommodate. This includes the waste stream that the City currently accepts, the waste stream that is currently accepted at the SCDTS, plus 100 TPD of anticipated growth in the commercial waste stream. Table IT Projected Tonnage and Traffic at SCDTS Totals I City Packer Trucks . Other City Veh' s. Public SCD + Commercial Totals Tot. Tons Tot. Trips Tot. Tons Tot. Trips Tot. Tons Tot. Trips Tot. Tons Tot. Trips Avg TPD 201 0 38 0 57 0 370 0 666 Peak TPD 275 0 110 0 110 0 450 0 945 Avg VPD 0 36 0 30 0 66 0 66 198 Peak VPD 0 50 0 45 0 85 0 82 262 Peak VPH 0 14 0 10 0 19 0 23 66 Note that since data was not available on existing SeD traffic quantities, it was assumed that all existing tonnage arrives in collection trucks with average payloads equivalent to City packer truck payloads In reality, some traffic deliveries to the SCDTS includes the public and small vehicle haulers with much smaller payloads. Thus average and peak traffic quantities will likely be higher than those shown above and included in the analysis of the existing station, CITY OF SANTA MONICA TRANSFER STATION . PAGE C-6 MARCH 17, 2003 [ I ~. . -s - \ ,- I f,". C.. I ~. I.; r I p I e I I I ~ I ~ i ) ) I I ) I J I Corporation Yard Recycling & Transfer Facility Study Chapter Four Recycling & Transfer Facility layout Plan Introduction This chapter includes the final conceptual layout plan for the Recycling & Transfer Facility as prepared by HDR, the revised Corporation Yard Master Plan incorporating the Recycling & Transfer Facility layout, the Phase 1 Plan for the Corporation Yard and the Existing Conditions plan for reference. The following documents are included: ,". Exhibit 1 Option Exhibit 2 Exhibit 3 Exhibit 4 Drawing C-1 Santa Monica Corporation Yard Master Plan Drawing A-5 Site Plan Final Buildout Drawing A-1 Site Plan Phase 1 Site Plan Existing , u City of Santa Monica Corporation Yard Santa Monica, CalifornIa 4.1 March 2003 Recycling & Transfer Facility Study RNUHDR I 0 II " II ~ ~ ~~ il: I m I I ~ I I ~ ! , I / r--~"'-"'~-,: r': :: ~----r~:_~:_~:~::_J1 I, I I I I t r I I I I I I I I I ~-------T---~---- I I I I I I I r-------, I I I I L_______.... I I I " , I I I I I I I I W I I U I I 2 I : <(: I Z I ~ I W I ~ I t- I r--..J I Z I I : ~ ~ : I ~ I I I I I I I-- I I I W I I I W I I , ....J I I ~ l.i..: ~..~~ I I I I I I L__...J I " I I I I I I [___~ ~T-J I ,J I I I I I I I ---~ ~-...,.--~-~--=------~_;- : ~------l : ~ i i ~ 1--------1 I ~ I I I I I I I I I L_________..r : i--u---:r--l j r I, 1 I 'I ! I I, ~ I I~ I I Ii l___.L_____-_.J1 j L__J / /// / / , , I , , , ... , , I ....... I J / i'....,::.... /./ I ......:;.... 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J Corporation Yard Recycling & Transfer Facility Study Chapter Five Construction Budget Introduction The following budget includes anticipated costs associated with the construction of the Recycling & Transfer Facility. A detailed estimate of anticipated construction bid costs is included in the Conceptual Opinion Of Cost - Phase 1 ONLY document prepared by Jacobus & Yuang, Inc. The Construction Budget includes an estimate of Construction Bid Cost, plus aliowances for Architectural/Engineering fees. Testing and inspection costs, post-bid changes, escalation, and other project related costs are not included. Cost Summary Construction Phase I Transfer Station/Diversion Area Allen Co. Area (by Allen Co.) 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