10-28-2019 BPU RPT 05 - Laserfiche WebLink

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W A E E R ENERGY I LIFE RIVERSIDE PUBLIC UTILITIES Board Memorandum PUBLIC UTII.ITIFS BOARD OF PUBLIC UTILITIES DATE: OCTOBER 28, 2019 ITEM NO: 5 SUBJECT: BID NO. RPU -7695 FOR CONSTRUCTION OF FY2019-20 GROUNDWATER WELL REHABILITATION PROJECT WITH LAYNE CHRISTENSEN COMPANY IN THE AMOUNT OF $578,678.57; WORK ORDER NO. 1921584 FOR FLUME 7 WELL IN THE AMOUNT OF $318,000; AND WORK ORDER NO. 1921585 FOR GAGE 31-1 R WELL IN THE AMOUNT OF $449,000 — TOTAL PROJECT COST OF $767,000 ISSUES: Award Bid No. RPU -7695 for construction of the FY2019-20 Groundwater Well Rehabilitation Project to Layne Christensen Company, of Redlands, California, in the amount of $578,678.57; approve the capital expenditures for Work Order No. 1921584 for the Flume 7 Well in the amount of $318,000; and approve the capital expenditures for Work Order No. 1921585 for the Gage 31-1 R Well in the amount of $449,00 for a total project cost of $767,000. RECOMMENDATIONS: That the Board of Public Utilities: 1. Award Bid No. RPU -7695 for the construction of the FY2019-20 Groundwater Well Rehabilitation Project to Layne Christensen, of Redlands, California, in the amount of $578,678.57; 2. Approve the capital expenditures for Work Order No. 1921584 in the amount of $318,000, which include all design, construction, contract administration, inspection, and construction change order authority costs for rehabilitating the Flume 7 Well; 3. Approve the capital expenditures for Work Order No. 1921585 in the amount of $449,000 which include all design, construction, contract administration, inspection, and construction change order authority costs for rehabilitating the Gage 31-1 R Well; and 4. Authorize the City Manager, or designee, to execute construction agreements and any other documents necessary to effectuate the project described herein, as well as, the ability to make minor non -substantive changes including changes to each of the work order amounts not -to exceed the cumulative project total of $767,000 and in accordance with all purchasing policies. BACKGROUND: The Riverside Public Utilities Department (RPU) operates and maintains 52 active groundwater wells located throughout Riverside, Colton, and San Bernardino to supply drinking water to the City of Riverside. Over time, wells lose efficiency. Most often, this drop in efficiency is due to mechanical problems such as the gravel pack and screens within the well becoming plugged or pumps losing efficiency due to wear and