01-09-2023 BPU RPT 06 - Laserfiche WebLink

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RIVERSIDE PUBLIC UTILITIES Board Memorandum BOARD OF PUBLIC UTILITIES DATE: JANUARY 9, 2023 SUBJECT: DONALD AVENUE WATER MAIN REPLACEMENT PROJECT, WORK ORDER NO. 2223436 IN THE AMOUNT OF $721,000 ISSUE: Consider approving Work Order No. 2223436 in the amount of $721,000 for all engineering, construction, paving and construction contingency costs for the Donald Avenue Water Main Replacement Project. RECOMMENDATION: That the Board of Public Utilities approve Work Order No. 2223436 in the total amount of $721,000 for all engineering, construction, paving and construction contingency costs for the Donald Avenue Water Main Replacement Project. BACKGROUND: Riverside Public Utilities (RPU) budgets annually to replace high-priority water pipelines that have reached their end-of-life. An end-of-life determination is based on parameters such as pipeline age, material, and maintenance records via a Business Risk Exposure (BRE) model, which identifies high-risk water distribution pipeline segments needing replacement. The BRE model has proven valuable in identifying and prioritizing water main replacement projects and was presented on October 13, 2021, to the RPU Water Committee. This project ment program to replace old and high- priority water mains. The project area consists of 4-inch Matheson Steel water pipelines installed in . These pipelines have experienced two recorded leaks since 2019. Based on their leak history, age and size, these water pipelines have been ranked as a high priority for replacement to enhance the reliability and fire flow. DISCUSSION: The work generally entails the construction of approximately 620 linear feet of 8-inch Polyvinyl Chloride (PVCO) pipe, 400 linear feet of 12-inch Polyvinyl Chloride (PVCO) pipe, 25 water services, two fire hydrants, and three system connections, along with all necessary fittings, appurtenances, and related incidental w