04-04-11 BPU RPT 04 - Laserfiche WebLink

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W A I F 12 F IJ F a C Y I ! RIVERSIDE PUBLIC UTILITIES Board Memorandum P U 8 L I C U T I L I T [ E S BOARD OF PUBLIC UTILITIES DATE: April 1, 2011 ITEM NO: 4 SUBJECT: CONSTRUCTION OF THE CAROB WAY 8-INCH WATER DISTRIBUTION MAIN REPLACEMENT PROJECT ISSUE: That the Board of Public Utilities consider approval of the capital expenditure in the amount of$344,500 to construct the Carob Way B-Inch Water Distribution Main Replacement Project. RECOMMENDATION: That the Board of Public Utilities approve the capital expenditure of$344,500 for Work Order No. 1111734, which includes all design, construction, and construction contingency costs for the Carob Way 8-Inch Water Distribution Main Replacement Project. BACKGROUND: The construction of the Carob Way 8-Inch Water Distribution Main Replacement Project is part of the on- going water main replacement program. Public Works will be rehabilitating and repaving the street and has requested that Public Utilities do the necessary pipeline replacement to avoid digging in the newly paved street should another leak occur, The work will generally entail the construction of approximately 800 linear feet of eight-inch ductile iron pipe,one fire hydrant, and reconnect to six existing water services within Carob Way as shown on the attached project site map. The work identified will be constructed by the Water Division's field forces. Once the new water pipelines are installed, Riverside Public Utilities(RPU)will be responsible for standard trench repaving per the Public Works standard. Near the end of pipeline construction staff will solicit paving bids for base paving the trench area. Public Works will follow with a contract to rehab and pave the entire street. A budgetary estimate for the paving work has been included in this authorization. FISCAL IMPACT: The total capital expenditure for Work Order No. 1111734 is estimated to be $344,500 which includes all design, construction, and construction contingency costs necessary to perform the work, as summarized in the following table: Design/Survey $12,000 Construction $200,000 Paving $95,000 Construction Contingency $29,500 Contract Man agementllnspection $8,000 Work Order Total $344,500 Funds are budgeted and available in the Public Utilities' Water Main Replacement Account No. 6230000- 470707.