07-12-2021 BPU RPT 04 - Laserfiche WebLink

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W A T E R E N E R G Y I L I F E RIVERSIDE PUBLIC UTILITIES Board Memorandum PUBLIC UTILITIES BOARD OF PUBLIC UTILITIES DATE: JULY 12, 2021 SUBJECT: CONSTRUCTION OF THE GARFIELD AND OVERLAND WATER MAIN REPLACEMENT PROJECT (PHASE II) — WORK ORDER NO. 2104921 IN THE AMOUNT OF $1,425,000 ISSUE: Consider approval of Work Order No. 2104921 in the total amount of $1,425,000 for all engineering, construction, paving and construction contingency costs for the Garfield and Overland Water Main Replacement Project (Phase 11). RECOMMENDATION: That the Board of Public Utilities approve Work Order No. 2104921 in the total amount of $1,425,000 for all engineering, construction, paving and construction contingency costs for the Garfield and Overland Water Main Replacement Project (Phase 11). BACKGROUND: Riverside Public Utilities (RPU) budgets annually for the replacement of certain high-priority water pipelines which have been determined to have reached end of life. This determination is made based on parameters such as age, material, and maintenance records. The Garfield and Overland Water Main Replacement Project (Phase 11) is part of RPU's ongoing water main replacement program to replace old and high-priority water mains. The project area consists of existing 6 -inch cast iron water mains that were installed in the 1950's. Based on their leak history, age and size, these water pipelines have been identified as high-priority pipelines for replacement to enhance the reliability of the water system. Phase I of this project was approved by the Riverside Board of Public Utilities on December 14, 2020 and was recently completed. DISCUSSION: The project generally entails the construction of approximately 4,000 linear feet of 8 -inch polyvinyl chloride (PVC) pipe, 111 water services, 13 fire hydrants and 7 system connections, along with