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Excavation and Shoring Subcontractor

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 Newport-Mesa Unified School District is seeking an Excavation and Shoring Subcontractor to perform earthwork for facility projects in Costa Mesa, California. The scope of work includes excavating soil around theater perimeters to expose underground foundations, implementing shoring and trench safety systems, and executing backfilling and soil compaction to ensure surfaces are ready for waterproofing. Qualified candidates must hold a valid California Contractor's License and maintain DIR registration. This subcontract opportunity was posted on September 17, 2026, with a response deadline of September 25, 2026.

General Info

Excavation and shoring subcontract for Costa Mesa school projects; deadline September 25, 2026.

Agency

California → Newport-Mesa Unified School DistrictView Agency

NAICS

238910 - Site Preparation ContractorsView NAICS

Place of Performance

Costa Mesa, CA, 92626, USA

Set-Aside

NONE

Documents

This scope was carved out of MO2026-0007.

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

View the prime solicitation

Costa Mesa High School Theater Underground Waterproofing Project

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Timeline

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Organization & Contact Information

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AgencyCalifornia → Newport-Mesa Unified School District
ContactsNo contacts available
OfficeN/A
Organization / Agency
California → Newport-Mesa Unified School District
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Office AddressN/A
ContactsNo contact information available

Full Description

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Performs excavation and earthwork for prime contractors on Newport-Mesa Unified School District facility projects. Excavates soil around theater perimeters to expose underground foundations, provides shoring and trench safety systems, and performs backfilling and soil compaction. Requires California Contractor's License and DIR registration. Delivers exposed underground surfaces ready for waterproofing.

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Same NAICS industry code

More opportunities from California → Newport-Mesa Unified School District

Same awarding agency

NAICS: 238990
New
SLED
Costa Mesa High School Theater Underground Waterproofing Project
Solicitation # MO2026-0007
The Newport-Mesa Unified School District is soliciting bids for the Costa Mesa High School Theater Underground Waterproofing Project, identified as solicitation MO2026-0007. The project requires a licensed contractor to provide all labor, equipment, materials, tools, services, transportation, permits, and utilities necessary for the underground waterproofing of the theater located at 2650 Fairview Road, Costa Mesa, California. This is an informal project conducted pursuant to the California Uniform Public Construction Cost Accounting Act. The contract will be awarded to the lowest responsive responsible bidder based on the base bid plus allowance. Bidders were required to attend a mandatory pre-bid conference on September 16, 2026, and must submit electronic bids via the PlanetBids portal by 4:00 p.m. on September 25, 2026. Mandatory requirements include registration with the Department of Industrial Relations and licensure under the Business and Professions Code. Bidders must provide a bid guarantee of at least 10 percent of the total bid price. The successful contractor must furnish faithful performance and labor and material payment bonds each equal to 100 percent of the contract price and adhere to Orange County prevailing wage laws. Emily Hughes serves as the primary point of contact for this procurement.
All Other Specialty Trade Contractors

POSTED

about 21 hours ago

DEADLINE

in 7 days
View Details
NAICS: 238390
New
SLED
Costa Mesa High School Theater Underground Waterproofing Project
Solicitation # MO2026-0007
Solicitation MO2026-0007 is a request for bids from the Newport-Mesa Unified School District for a comprehensive water intrusion remediation project at the Costa Mesa High School Theater. The primary objective is to resolve persistent leaks in the main lobby and lower floor levels through a turnkey below-grade waterproofing system. Key technical requirements include the installation of approximately 75 linear feet of Tremproof 250GC cold fluid-applied membrane, excavation and shoring up to 6 feet deep, and the installation of drain boards and gravel barriers. The scope also encompasses the demolition and replacement of 60 linear feet of concrete sidewalk, the application of joint sealants and water-repellent treatments on masonry walls, and interior repairs such as replacing water-damaged VCT flooring and sealing concrete cracks. Additional site improvements include re-sloping planted areas, installing new surface drainage, and removing invasive bamboo to prevent future water intrusion. The contract will be awarded to the lowest responsive and responsible bidder based on the total bid price, which includes a 15,000 dollar allowance for unforeseen conditions. Bidders must be licensed contractors with current DIR registration and must submit their bids electronically via the PlanetBids portal by September 25, 2026. Required submissions include a bid guarantee of at least 10 percent of the total bid price, a non-collusion declaration, and recycled content certification. Successful contractors must provide faithful performance and labor and material payment bonds at 100 percent of the contract price. The project mandates strict adherence to Tremco manufacturer specifications, OSHA safety regulations, and California prevailing wage laws for Orange County. Payment will be issued through monthly progress payments with a percentage retained by the district.
Other Building Finishing Contractors

POSTED

2 days ago

DEADLINE

in 7 days
View Details

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