Carbon replacement: Remove and dispose of spent carbon from five vessels. Supply 4 × 8 coconut shell reactivated carbon for the 18,000-lb headworks tower and one 6,000-lb tower; 5,000 lb of 4 × 8 virgin high-capacity H2S activated carbon plus 1,000 lb of 4 × 8 virgin coconut shell granular activated
Due
November 20, 2026
12 days left
Location
California
Posted on
OpenGov
Notice ID
2026-RFB-055
Please quote carbon replacement in five vessels and filter material replacement in two filters at Tapia Water Reclamation Facility, 731 Malibu Canyon Road, and lift stations at 4815 El Canon Road and 24303 Calabasas Road, all in Calabasas, CA 91302.
Carbon: Remove and dispose of old carbon; supply 4 × 8 coconut shell reactivated carbon for 18,000-lb and 6,000-lb towers, 5,000 lb of 4 × 8 virgin high-capacity H2S carbon plus 1,000 lb of virgin coconut shell granular carbon for another tower, and 600 lb of 4 × 8 virgin high-capacity H2S carbon for each lift station vessel.
Filters: Remove and dispose of old anthracite and gravel from filters 1 and 2; supply approximately 1,139 cubic feet of anthracite at 4.5-foot depth and 253 cubic feet of gravel at 1-foot depth per filter.
Anthracite: Apparent specific gravity: 1.6–1.7; effective size: 1.4–1.6; uniformity coefficient: no more than 1.4.
Gravel: Lay gravel from bottom to top: 3 inches of 1 × 5/8-inch, 2 inches of 5/8 × 3/8-inch, 2 inches of 3/8 × 3/16-inch, 2 inches of 5/8 × 3/8-inch, and 3 inches of 1 × 5/8-inch.
Safety: Use certified confined-space personnel and an entry/rescue plan for filter work.
Schedule: Work Monday–Friday, 7:00 a.m.–3:00 p.m.; complete within four months of order award.
Please confirm availability and send your quote by November 20, 2026.
The original documents
Deadline: November 20, 2026
See the original on procurement.opengov.com
Bidding it yourself? Get the full package and submit on OpenGov before November 20, 2026.
What they need
Filter replacementRemove and dispose of existing anthracite and gravel in filters 1 and 2. Per filter, supply approximately 1,139 ft³ of anthracite at 4.5-ft depth and 253 ft³ of gravel at 1-ft depth.
Gravel layersFrom bottom to top: 3 inches of 1 × 5/8-inch gravel, 2 inches of 5/8 × 3/8-inch, 2 inches of 3/8 × 3/16-inch, 2 inches of 5/8 × 3/8-inch, and 3 inches of 1 × 5/8-inch.
Execution and pricingInclude all materials, labor, equipment, transportation, disposal, and taxes. Filters require certified confined-space personnel and an entry/rescue plan. Work hours are Monday–Friday, 7:00 a.m.–3:00 p.m.; complete within four months of order award. Please itemize pricing by carbon vessel group and filter replacement.
Past history: who won Marine & Diving work in California
Recent federal contract awards (federal buyers) in the same industry in California, from USAspending.gov. These are comparable jobs, not earlier rounds of this exact solicitation.
Typical award:$40K to $946Kmiddle half of 15 recent awards · median $75K