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This Government Contract opportunity from California was posted on August 25, 2026. The submission period has ended. Browse the details below for market research, or find similar active opportunities.

Specialty Masonry (Cobblestone)

Closed
State & Local

Contract Overview

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

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NAICS: 238140
New
International
Maplelawn Garden Wall Rehabilitation
Solicitation # NCC-DC-039015-RFP
The National Capital Commission is seeking qualified proponents for the rehabilitation and reconstruction of 285 meters of historic native limestone masonry garden walls at the Maplelawn Garden Estate, located at 529 Richmond Road in Ottawa. The project objectives focus on restoring the structural and aesthetic integrity of the walls, eliminating public health and safety risks, and ensuring long-term durability while preserving the site's historic characteristics. The scope of work includes dismantling existing masonry, salvaging and reinstating stone units, installing new concrete footings, and constructing reinforced concrete retaining walls at the East and South sections. Performance is scheduled to begin with mobilization upon award, followed by demolition and excavation in Spring 2027, foundations in Summer 2027, and masonry reconstruction through Summer and Fall 2027. The contract will be awarded to the top-ranked proponent based on a multi-stage evaluation consisting of mandatory requirements, rated technical criteria, and pricing. Technical evaluation accounts for 60 points, with minimum thresholds required for project experience and approach and methodology, while pricing accounts for the remaining 40 points. Proponents must certify compliance with ethical procurement standards, including the prohibition of child and forced labor, and disclose any use of artificial intelligence in their proposals. Key contractual requirements include maintaining professional liability and errors and omissions insurance of at least 2 million dollars for specific engineering and soil management tasks. Payments are set at NET 30 days, and the contractor must adhere to strict material storage and site maintenance protocols to protect the historical environment.
National Capital Commission

POSTED

about 19 hours ago

DEADLINE

in 14 days

AI Contract Overview

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This subcontract for Specialty Masonry is for the installation of grouted cobblestone elements on public works projects for the City of Lathrop in California. The selected contractor will be responsible for delivering installed cobblestone sections and applying grout according to the specific technical requirements provided. Eligible bidders must maintain valid DIR Registration to perform this work. The solicitation was posted on August 25, 2026, and requires a response by September 15, 2026. All work will be performed within Lathrop, California, under NAICS code 238140.

General Info

Subcontract for cobblestone installation in Lathrop, CA; DIR registration required by September 15, 2026.

Place of Performance

Lathrop, CA, 95330, USA

Set-Aside

NONE

Documents

This scope was carved out of CIP PS 26-31.

The full solicitation package (2 documents), including the RFP, is on the prime solicitation, not on this scope.

View the prime solicitation

Seventh Street Parking Rehabilitation

AI Contract Breakdown

Uniform Contract Format

No documents to break down

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Timeline

PhaseClosed
Posted

subcontract

Response Deadline

Deadline has passed

Submission Closed

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Organization & Contact Information

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AgencyCalifornia → City of Lathrop
ContactsNo contacts available
OfficeN/A
Organization / AgencyCalifornia → City of Lathrop
Office AddressN/A
ContactsNo contact information available

Full Description

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Installs grouted cobblestone elements for prime contractors on City of Lathrop public works projects. Performs installation of cobblestones and grout as specified in the technical requirements. Requires DIR Registration. Delivers installed grouted cobblestone sections.

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