09-16-11 BPU RPT 04 - Laserfiche WebLink

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W A T t R E N E R G Y L { f E AW& RIVERSIDE PUBLIC UTILITIES Board Memorandum PUBLIC UTILITIES BOARD OF PUBLIC UTILITIES DATE: September 16, 2011 ITEM NO: 4 SUBJECT: REPLACEMENT OF DETERIORATED OIL SWITCH OS3-74 AND ASSOCIATED EQUIPMENT IN V-1735-WORK ORDER NO, 0905437 ISSUE: Board of Public Utilities approval is requested for Work Order No. 0905437. RECOMMENDATION: That the Board of Public Utilities approve the estimated capital expenditure of$130,000 for Work Order No. 0905437 to replace deteriorated oil switch OS3-74. BACKGROUND: Vault V-1735 was installed in 1975 on Via Coiba south of Country Club Drive. During a routine inspection it was discovered that V-1735 has some severe cracks and is structurally deteriorating. V-1735 houses an Oil Switch and other various electrical equipment that are in need of replacement as well. This equipment will be replaced above ground as pad mounted equipment. All pad-mounted equipment will be installed with consideration given to the surrounding esthetics. Engineering was performed by the Consultants' Panel. All construction work including trenching, conduits, and other infrastructure work will be performed by contract crews from the Contractors' Panel. All electrical work will be performed by either contract or Riverside Public Utilities' (RPU) field forces. Once the new equipment is installed and the old equipment removed,staff will proceed with making repairs to V-1735 under a separate work order. FISCAL IMPACT: The total project cost is estimated at$130,000. The breakdown is as follows: Percent of Total Contract Construction— Sub-Structures $45,000 35% Consultant Design—GO 165 Consultants' Panel $10,500 8% Contract or City Construction of Cabling & Equipment $62,000 48% Contingency, including change order authorization $12,500 10% Total $130,000 100%