This Government Contract opportunity from California was posted on September 16, 2026. The submission period has ended. Browse the details below for market research, or find similar active opportunities.

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Cold Fluid-Applied Waterproofing Installation

Closed

State & Local

Submission Closed09/25/2026, 11:00:00 PM UTC

Contract Overview

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

Active Opportunities Like This One

NAICS: 238160

New

SLED

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Roofing and Waterproofing Contractor

Virginia Community College System - System Office

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Roofing & WaterproofingThe Holtville Unified School District is seeking a subcontractor for roofing and waterproofing services to support facility projects. The selected contractor will be responsible for installing and repairing roof systems and applying waterproofing membranes to ensure the delivery of watertight roof and building envelopes for prime contractors. Eligible candidates must possess a current California Contractor's License and be registered with the State of California Department of Industrial Relations. This subcontract opportunity falls under NAICS code 238160, with a response deadline set for November 3, 2027.

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EPDM Membrane Roof InstallationThis subcontract for the New Hampshire Department of Environmental Services involves the installation of a watertight EPDM roofing system at Water Resources Bureau facilities. The scope of work includes preparing the concrete deck, installing a self-adhered vapor barrier, applying mechanically attached tapered polyisocyanurate insulation, and laying a 0.060 EPDM membrane. The contractor is responsible for flashing all rooftop penetrations and conducting drainage tests to ensure system integrity. To qualify, the contractor must provide manufacturer certification to secure a 20-year warranty and maintain strict compliance with NFPA 51B standards. The final deliverable is a fully completed roof accompanied by both manufacturer and contractor warranties. Interested parties must respond by November 30, 2026, under NAICS code 238160.

Department Of Environmental Services

POSTED

about 17 hours ago

DEADLINE

in 27 days

AI Contract Overview

This subcontract for the Newport-Mesa Unified School District involves the installation of a cold fluid-applied membrane system for below-grade waterproofing on facility projects in Costa Mesa, California. The selected contractor will be responsible for preparing substrates and applying Tremproof 250 GC membrane, epoxy primer, metal termination bars, and joint reinforcing strips, as well as installing HDPE protection boards and TREMDrain mats. All work must be performed in strict accordance with Tremco Application Instructions to deliver a fully warranted waterproofing system. Eligible bidders must be DIR registered and submit their responses by September 25, 2026.

General Info

Subcontract for below-grade waterproofing installation in Costa Mesa; bids due September 25, 2026.

Agency

California → Newport-Mesa Unified School District

NAICS

238160 - Roofing Contractors

Place of Performance

Costa Mesa, CA, 92626, USA

Set-Aside

NONE

Documents

This scope was carved out of MO2026-0007.

The full solicitation package (7 documents), including the RFP, is on the prime solicitation, not on this scope.

View the prime solicitation

Costa Mesa High School Theater Underground Waterproofing Project

AI Contract Breakdown

Uniform Contract Format

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The breakdown needs solicitation documents. None were found from this contract's source.

Timeline

PhaseClosed

PostedSep 16

subcontract

Response DeadlineSep 25

Deadline has passed

Submission Closed

09/25/2026, 11:00:00 PM UTC

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Organization & Contact Information

AgencyCalifornia → Newport-Mesa Unified School District

ContactsNo contacts available

OfficeN/A

Organization / AgencyCalifornia → Newport-Mesa Unified School District

Office AddressN/A

ContactsNo contact information available

Full Description

Installs a cold fluid-applied membrane system for below-grade waterproofing for prime contractors on Newport Mesa Unified School District facility projects. Prepares substrates and applies Tremproof 250 GC membrane, epoxy primer, metal termination bars, and joint reinforcing strips. Installs HDPE protection boards and TREMDrain mats. Must follow Tremco Application Instructions and be DIR registered. Delivers a warranted below-grade waterproofing system.