11-02-12 BPU RPT 03 - Laserfiche WebLink

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W A T E R E H E R G Y L I F t RIVERSIDE PUBLIC UTILITIES W& Board Memorandum PUBLIC UTILITIES BOARD OF PUBLIC UTILITIES DATE: November 2, 2012 ITEM NO: 3 SUBJECT: CIRCUIT 456 SWITCH REPLACEMENT PROJECT -WORK ORDER NO. 1202014 ISSUE: Board of Public Utilities approval is requested for Work Order No.1202014. RECOMMENDATION: That the Board of Public Utilities approve the estimated capital expenditure of $172,000 for Work Order No. 1202014 to install a switch, conduits, and other substructures on Brockton Avenue and Cover Street which will replace damaged inoperable equipment. BACKGROUND: During routine maintenance, a gas switch with severe leakage was found inside Vault No. V953 located on Brockton Avenue and Cover Street. Forty percent of the entire load on Circuit 455, or approximately 1 megawatt (MW), is served by this switch. The proposed project involves the installation of 799 feet of conduit, 2,489 feet of underground cable, one padmounted switch with enclosure (PSE), one padmounted junction cabinet (PJC), and one commercial subsurface transformer enclosure (CST). The relocated structures were designed with consideration given to the surrounding aesthetics, minimizing the number of above ground structures (Attachment 1). Engineering was performed by Riverside Public Utilities (RPU) staff and electrical work will be performed by RPU field forces. Civil construction will be performed by contract crews from the RPU Contractor's Panel. FISCAL IMPACT: The capital expenditure for Work Order No. 1202014 is estimated to be $172,000 and is detailed as follows: % of Total Design, Construction Management, Inspection $56,600 33% Construction Contract-Conduits & Substructures $51,000 30% Contingency $5,100 3% Construction RPU Field Forces $55,300 32% Easement $3,000 2% Total $172,004 100% Sufficient funds are available in the Electric Capital Account No. 6130000-470603.