# Clovis Planet bids #PUD 26-18

Well 31 iron and manganese filtration system and site improvements

**Posted:** October 16, 2026
**Respond By:** November 10, 2026
**Identifier:** PUD 26-18
**NAICS:** 237110, 221310

The City of Clovis is seeking a contractor to upgrade Well 31 with a 600-GPM iron and manganese filtration system and supporting site infrastructure.
- **Government buyer:** City of Clovis, Public Utilities, Clovis, Fresno County, California.
- **OEM named:** **Alex-Tronix** supplies the specified FM-4/8 filter backwash controller. No filtration-system manufacturer or other required vendor is identified.
- **Requested equipment:** Filtration system designed for 600 GPM, with filter vessels specified at 6 feet in diameter and 24 square feet of area each; the vessel count is unclear. Also specified are one FM-4/8 controller, one magnetic flow meter, one sight glass, and one gate valve. The meter, sight glass, and valve are to be furnished with the filtration system.
- **Other equipment:** One 21,000-lumen, 4000K LED pole-mounted site light with photocell and handhole, suitable for wet locations; and one dual-gang duplex GFCI receptacle rated 15A, 120V.
- **Construction scope:** One lump-sum project covering well-site piping, treatment-vessel procurement and installation, concrete and surface improvements, grading, demolition, electrical work, tanks and treatment equipment, and backwash infrastructure connected to the existing sanitary sewer along Leonard Avenue.
- **Notable requirements:** Water-contact materials must meet NSF/ANSI Standard 61. New water mains and treatment equipment require disinfection and pressure testing before being placed in service.
- **Performance duration:** 35 working days; no option years or annual subscription are specified.

### Description

The City of Clovis is soliciting bids for iron and manganese treatment improvements at Well 31. The scope generally includes well site piping, procurement and installation of a treatment vessel, concrete and existing surface improvements, and backwash infrastructure connected to the existing sanitary sewer along Leonard Avenue. The work has a stated duration of 35 working days, and a Class A General Engineering Contractor License is required. Bids must be submitted on paper to the City Clerk at the Clovis Civic Center by November 10, 2026, at 2:00 p.m. (UTC−7).

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