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Filter Media Removal & Installation Contractor

Active
State & Local

Contract Overview

Solicitation details, issuing organization, response deadlines, documents, and interested companies for this government contract opportunity.

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The Filter Media Removal and Installation Contractor is a subcontract opportunity for the Alameda County Water District to perform specialized work at District Water Treatment Plant No. 2 in Fremont, California. The selected contractor will be responsible for removing existing media, cleaning filter cells of debris and dust from walls and underdrains, and installing new anthracite and sand media in Filters 1, 2, and 3. To ensure quality and compliance, the contractor must perform backwashes using vacuum trucks in accordance with NSF Standard 61 and AWWA Standard C653-20 to remove fines. This project falls under NAICS code 238910, with a response deadline of October 15, 2026.

General Info

Contractor to remove and install filter media at Alameda County Water Treatment Plant.

Agency

California → Alameda County Water DistrictView Agency

NAICS

238910 - Site Preparation ContractorsView NAICS

Place of Performance

Fremont, CA, 94539, USA

Set-Aside

NONE

Documents

This scope was carved out of 21509.

The full solicitation package (1 document), including the RFP, is on the prime solicitation, not on this scope.

View the prime solicitation

Removal, Disposal, And Installation Of Filter Media In Filters 1, 2, And 3 At Wtp No. 2

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Timeline

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Organization & Contact Information

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AgencyCalifornia → Alameda County Water District
ContactsNo contacts available
OfficeN/A
Organization / Agency
California → Alameda County Water District
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Office AddressN/A
ContactsNo contact information available

Full Description

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Performs removal and installation of filter media for prime contractors on District Water Treatment Plant No. 2 projects. Removes existing media, cleans filter cells of debris and dust from underdrains and walls, and installs new sand and anthracite media. Performs backwashes to remove fines per AWWA Standard C653-20 and NSF Standard 61 using vacuum trucks. Delivers installed and tested filter media in Filters 1, 2, and 3.

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about 19 hours ago

DEADLINE

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More opportunities from California → Alameda County Water District

Same awarding agency

NAICS: 237110
New
SLED
Removal, Disposal, And Installation Of Filter Media In Filters 1, 2, And 3 At Wtp No. 2
Solicitation # 21509
The Alameda County Water District is soliciting bids for the removal, disposal, and installation of filter media in Filters 1, 2, and 3 at Water Treatment Plant No. 2 in Fremont, California. The project requires the contractor to provide pre-washed anthracite and sand that meet AWWA Standard B100, ensuring a final media depth of 42 inches. The selected contractor must begin work within 10 calendar days of the Notice to Proceed and complete all activities within 170 calendar days. Key deliverables include a material disposal plan and documentation proving the media supplier has provided anthracite to at least five potable water treatment plants of at least 10 mgd within the last five years. Bidders must attend a mandatory pre-bid meeting on September 24, 2026, and submit sealed proposals by October 15, 2026. Requirements for submission include a noncollusion declaration, a bidder's statement of experience, a preliminary construction schedule, and proposal security of at least 10 percent of the total. Additionally, all contractors and subcontractors must be registered with the Department of Industrial Relations per Labor Code section 1725.5. Due to the security-sensitive nature of the project, bidders must execute a Non-Disclosure Agreement and provide a refundable deposit to obtain contract documents. Payment will be issued via monthly progress payments.
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about 18 hours ago

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