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SR-6-R (14) 505-007- 6-1f OCT 9 1990 GS:SES:DB Council Meeting: October 9, 1990 Santa Monica, California TO: Mayor and City Council FROM: City staff SUBJECT: Recommendation to Award a Margate construction, Inc. Treatment Plant Expansion construction Contract to for the Arcadia Water INTRODUCTION This report requests that the city Council reject the low bid due to a significant omission and award a contract for the expansion of the Arcadia Water Treatment Plant to Margate Construction, Inc., the next low bidder, in the amount of $2,629,600. BACKGROUND During the FY 1985-86 and 1989-90 budget processes, the City council appropr1ated funds in the total amount of $2,184,000 for expansion of the Arcadia Water Treatment Plant located in the City of Los Angeles. The plant treats City well water and then blends the water with water purchased from the Metropolitan Water Distr1ct (MWD). The present treatment capacity of the plant is 6 million gallons per day. The plant expansion will add 4 million gallons per day of treatment capacity for City well water. This additional treatment capacity will allow for increased use of well water and will reduce the purchase of and reliance on MWD's increasingly scarce imported water. 1 6-R OCT 9 1990 / The expansion of the plant will include an aeration treatment process. This process will enable the City to reactivate wells in the Santa Monica sub-basin which were closed when the city determined that the water had higher than acceptable levels of trichloroethylene (TeE). The process will use aerators to remove TCE to below the EPA acceptable limits. The City has received approval from the Air Quality Management District for the aeration operation. As a result, the city will have the ability to optimize the use of City well water in order to reduce reliance on the purchase of more expensive MWD water. The anticipated increased pumping from the Santa Monica sub-basin will not jeopardize the safe-yield of the basin. A Notice Inviting Bids was published on July 24 and 25, 1990, in The Outlook and in four construction journals. Bid documents were also issued to 34 contractors and 14 construction advertising services, including 6 DBE contracting associations. Four bids were received on August 20, 1990, by the city Clerk. The bids are as follows: Pascal & Ludwig Engineers Margate Construction, Inc. Scott Co. Park Construction Co. $2,213,000 2,629,600 2,710,520 2,722,222 City Engineer's Estlmate 2,000,000 The bids received exceeded both the city Engineer's estimate for the project and the monies available to fund the work. Immediately after the bid opening, the low bidder requested that his bid be 2 withdrawn on the basis that the bid contained a $250,000 omission error. staff reviewed the blds and determined that the low bid does contain a significant error and it would be in the eity's best interest to relieve the bidder of any further responsibility. Despite the fact that the bids exceeded the City Engineer's estimate, staff believes, from their review, that the bids are valid and not grossly inflated. This conclusion is validated by the fact that the 3 remaining bids are within $100,000 or 3% of each other. The eity Engineer's estimate was prepared by an outside consultant and is based on a project that has been evolving over the past 5 years. The project could be constructed in 2 phases to eliminate the need to seek immediate additional funding for the project. However, staff advises against this option for the following reasons: 1. Delaying this portion of the project would result in future higher costs due to on-going inflation. 2. The additional work would be constructed on a new building by, in all probability, a different contractor. Determining liability, if problems occur, could be a major problem. 3. The Phase I scope of the project would be decreased through elimination of the expansion of the water softening system. Under certain circumstances, this would result in reducing water treatment to 6 milllon gallons a day and increase reliance on imported MWD water. BUDGET/FINANeIAL IMPACT 3 Funds Required Contract $2,629,600 contingencies 394,000 TOTAL $3,024,000 Funds for this project in the amount of $2,184,000 are available in eIP account numbers: 25-760-671-22486-8927-99l28 $1,834,000 25-760-671-29490-8927-99204 $350,000 Funds in the amount of $840,000 must be appropriated from the Water Fund Reserves to CIP account number 25-760-671-22486-8927-99l28 to fund this project. RECOMMENDATION It is recommended that the city council: 1. Reject the low bid due to a significant omission in the bid received; 2. Appropriate funds in the amount of $840,000 from the Water Fund Reserves to CIP account number 25-760-671- 22486-8927-99128; 3. Award a construction contract to Margate eonstruction, Inc., the next low bidder, in the amount of $2,629,600; and 4. Authorize the Acting City Engineer to issue any necessary change orders to complete additional work in conformance with the Administrative Instruction on Change orders. Prepared by: stan Scholl, Director of General services Dave Britton, Acting city Engineer 4