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W A T E R E N E R G Y RIVERSIDE PUBLIC UTILITIES Board Memorandum PUBLIC UTILITIES BOARD OF PUBLIC UTILITIES DATE: November 16, 2012 ITEM NO: 4 SUBJECT: CIRCUIT 1551 SWITCH REPLACEMENT PROJECT -WORK ORDER NO. 1222097 ISSUE: Board of Public Utilities approval is requested for Work Order No. 1222097. RECOMMENDATION: That the Board of Public Utilities approve the estimated capital expenditure of$187,000 for Work Order No. 1222097 to install a switch,conduits and other substructures on Circuit 1551 along Mission Grove Parkway to replace inoperable equipment necessary for circuit load transfers. BACKGROUND: During routine maintenance, a gas switch inside Vault 4420 was determined inoperable. Moreover,due to its location,the Vault routinely fills up with water(runoff from irrigation and rainfall) requiring the need to pump the structure each time the Vault is accessed. When functional, the Circuit 1551 switch allows for load transfers with Circuit 1549. The proposed project involves the installation of 2,155 feet of conduit,3,391 feet of underground cable,one padmounted switch with enclosure (PSE), one padmounted junction cabinet (PJC), one padmounted transformer, and 505 feet of secondary cable and conduit. The relocated structures were designed with consideration given to the surrounding aesthetics. 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 Contractors' Panel. FISCAL IMPACT: The capital expenditure for Work Order No. 1222097 is estimated to be$187,000 and is as follows: of Total Design, Construction Management, Inspection $18,400 10% Construction Contract- Conduits &Substructures $101,000 54% Contingency $10,100 5% Construction RPU Field Forces $57,500 31% Total $187,000 100°I° Sufficient funds are available in the Electric Capital Account No. 6130000-470603.