# Las Virgenes Municipal Water District Opengov #2026-RFB-055

Turnkey carbon and tertiary-filter media replacement at Tapia Water Reclamation Facility and lift stations

**Posted:** November 03, 2026
**Respond By:** November 20, 2026
**Identifier:** 2026-RFB-055
**NAICS:** 238910, 562119, 423840

Las Virgenes Municipal Water District is seeking turnkey replacement of odor-control carbon and tertiary-filter media at its Tapia Water Reclamation Facility and two lift stations in Calabasas, California.
- **Government buyer:** Las Virgenes Municipal Water District, Water Ops, Water Reclamation department; facilities are operated by the Las Virgenes-Triunfo Sanitation District Joint Powers Authority.
- **OEMs and vendors:** No OEM, manufacturer, product brand, or contractor is named. Bidders must identify proposed products and provide technical data and GHS Safety Data Sheets.
- **Carbon media:** Remove and dispose of spent carbon, then supply and install 18,000 lb. of 4×8 coconut-shell reactivated carbon in the headworks tower; 6,000 lb. of the same carbon in the primary tower; 5,000 lb. of 4×8 virgin high-capacity H2S activated carbon and 1,000 lb. of 4×8 virgin coconut-shell granular activated carbon in the raw-sludge wet-well tower; and 600 lb. of 4×8 virgin high-capacity H2S activated carbon in each of two lift-station vessels.
- **Tertiary filters:** Replace anthracite and gravel in two filters. Each requires approximately 1,139 ft³ of anthracite at 4.5-ft depth (apparent specific gravity 1.6–1.7, effective size 1.4–1.6, uniform coefficient no greater than 1.4) and 253 ft³ of gravel at 1-ft depth. Gravel is installed in specified layers of 1×5/8, 5/8×3/8, and 3/8×3/16 sizes.
- **Notable requirements:** The work is turnkey and includes removal and disposal of existing media and installation of replacement media. Filter work requires trained and certified confined-space personnel and a detailed entry plan. Bidders must provide product data and three public-entity references for similar work. Documents use inconsistent identification for one carbon tower.

### Description

The District is seeking bids for turnkey replacement of activated carbon in odor-control towers at the Tapia Water Reclamation Facility and Sewer Lift Stations 1 and 2, and replacement of anthracite and gravel media in two tertiary filters. Work includes supplying materials and equipment, removing and disposing of spent media, and placing new media. Filter work requires confined-space-trained and certified workers and submission of an entry plan before work begins. Bids must be submitted electronically through the Procurement Portal using the prescribed District Bid Forms; the stated deadline is November 20, 2026, at 3:00 p.m.

[View original listing](https://procurement.opengov.com/portal/lvmwd/projects/322888)