Santa Rosa Planet bids #C02471

Bennett Valley Golf Course Irrigation System Improvements

The City of Santa Rosa is seeking construction bids to upgrade the irrigation water supply and related systems at Bennett Valley Golf Course in Santa Rosa, California. - Government buyer: City of Santa Rosa, Transportation and Public Works Department, Capital Projects Engineering Division; project site at Bennett Valley Golf Course, 3330 Yulupa Road. - Scope: Upgrade the golf course irrigation supply, including two well-pump systems, piping, flow measurement, pressure control, electrical service, motor controls, and related site and restoration work. - OEMs and named companies: Grundfos (pump basis of design); AA Tanks, Amtrol, and Flexcon (listed tank manufacturers); Rosemount (flow-meter basis of design); and Cla-Val (hydraulic control-valve basis of design). Approved equivalents are allowed. The geotechnical report was prepared by Bauer Associates, Inc. for Brelje & Race Consulting Engineers; PG&E is referenced for utility coordination. - Major equipment and quantities: Two Grundfos 475S600-7 submersible pump systems, each with a Grundfos MMS 6 motor; one hydropneumatic bladder tank of at least 792 gallons; one Rosemount 8750W magnetic flow meter; one Cla-Val Model 92-07 pressure-sustaining/pressure-reducing valve with solenoid shutoff; 250 linear feet of 12-inch PVC irrigation main; and 12 transformer bollards. - Technical requirements: Pump systems must meet specified operating capacities and at least 75% efficiency at design points, with motors rated 60–75 HP. The tank must meet specified operating and working pressure limits. The PVC main is specified as DR-18, pressure class 235, generally conforming to AWWA C900; ductile iron may be substituted at no additional cost. - Construction and site work: Includes work at the North and South wells, wellhead piping, flow-meter and valve vaults, irrigation piping and tie-in, electrical service, MCC/PLC controls and telemetry, excavation, dewatering, shoring, erosion control, testing, startup, and restoration. Work must be phased to maintain irrigation service and limit shutdowns. - Geotechnical findings: The supporting investigation finds the proposed irrigation pond geotechnically feasible and recommends a synthetic liner, planning for groundwater dewatering, subdrains, removal and recompaction of weak surface soils, and geotechnical observation during grading. - Performance duration: Final completion is required within 130 working days after the Notice to Proceed. No option periods are identified.

Description

The City of Santa Rosa is soliciting bids for construction of improvements to the Bennett Valley Golf Course irrigation system. The bid schedule identifies the work as a single lump-sum line item, and the procurement includes required line items, subcontractor information, and a bid bond. A mandatory pre-bid meeting is scheduled for October 20, 2026, and bids are due November 5, 2026. The solicitation lists no estimated value and specifies paper bid responses.

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