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cy RIVERSIDE PUBLIC UTILITIES Board Memorandum PUBLIC UTILITIES BOARD OF PUBLIC UTILITIES DATE: July 20, 2412 ITEM NO: 14 SUBJECT: CASA BLANCA SUBSTATION FEEDER RECONFIGURATION PROJECT - PHASE 2 (WORK ORDER NO. 1220820) ISSUE: Board of Public Utilities approval is requested for the Casa Blanca Substation Feeder Reconfiguration Project- Phase 2 (Work Order No. 1225820). RECOMMENDATION: That the Board of Public Utilities approve the estimated capital expenditure of $570,000 for the Casa Blanca Substation Reconfiguration Project- Phase 2 (Work Order No. 1225824). BACKGROUND: The Casa Blanca Power Project includes the replacement of an old substation with a new one. Work activities include demolition of the existing substation, land acquisition, conversion of the 4-12kV feeders, replacement of old cable, installation of major distribution feeders, and modification of the 69kV transmission system. The work contemplated in this Board action addresses the installation of the major distribution feeders and some modifications to the 69kV transmission system. The Casa Blanca Substation Feeder Reconfiguration Project consists of two phases to facilitate construction, Phase 1 was approved by the Board of Public Utilities on April 6, 2012 and consisted of: the installation of the underground 12 kV distribution circuits from Casa Blanca Substation; the extension of new conduits to a riser pale for future circuit reconfiguration along Evans Street between Samuel and Madison Streets; and the installation of four steel pole foundations. The work proposed for Phase 2 requires: the installation of four steel poles; major reconfiguration of two existing 12 kV distribution circuits along Evans Street between Grace and Cary Streets; the replacement of approximately 8,254 feet of cable; and the replacement of distribution switching devices at potential circuit tie locations. The electrical engineering was performed by Riverside Public Utilities (RPU) and electrical work will be performed by RPU field forces. FISCAL IMPACT: The capital expenditure for the entire Phase 2 project is estimated to be $570,000, and includes all construction, contingencies, construction management, inspection and design, as summarized in the following table: % of Total Construction-Electric Overhead $470,878 83% Design, permits, Construction Management, Inspection $47,304 8% Contingency 10% $51,818 9% Subtotal: $570,000 100% Sufficient funds are available in the Major Feeder Account No. 8130400-470633