This Subcontract opportunity from Department Of The Interior was posted on August 19, 2026. The submission period has ended. Browse the details below for market research, or find similar active opportunities.

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Historic Stone Masonry Restoration

Closed

Federal

Submission Closed09/18/2026, 12:00:00 PM EDT

Contract Overview

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

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NAICS: 238140

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Asphalt Roads Replacement

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POSTED

2 days ago

DEADLINE

in 21 days

AI Contract Overview

This subcontract opportunity with the Department of the Interior involves specialized repair and restoration of historic stone masonry for National Park Service projects at the C&O Canal. The selected contractor will be responsible for resetting, replacing, and cleaning stones using non-destructive methods, as well as performing dry-stack construction and installing tie, hearing, and pinning stones to deliver restored walls, piers, and abutments. The project is a total small business set-aside under NAICS code 238140. Qualified stone masons must demonstrate experience with at least three similar historic projects and successfully complete 5x5 in-situ mockups. Responses are due by September 18, 2026.

General Info

Small business subcontract for historic stone masonry restoration at C&O Canal by September 2026.

Agency

Department Of The Interior → Ncr Regional CONTRACTING(30000)

NAICS

238140 - Masonry Contractors

Place of Performance

Set-Aside

SBA

Documents

This scope was carved out of 140P3026R0002.

The full solicitation package (19 documents), including the RFP, is on the prime solicitation, not on this scope.

View the prime solicitation

Z--C&O CANAL NATIONAL HISTORICAL PARK - FY26 REPAIR I

AI Contract Breakdown

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Timeline

PhaseClosed

PostedAug 19

subcontract

Response DeadlineSep 18

Deadline has passed

Submission Closed

09/18/2026, 12:00:00 PM EDT

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Organization & Contact Information

AgencyDepartment Of The Interior → Ncr Regional CONTRACTING(30000)

ContactsNo contacts available

OfficeN/A

Organization / AgencyDepartment Of The Interior → Ncr Regional CONTRACTING(30000)

Office AddressN/A

ContactsNo contact information available

Full Description

Performs specialized repair and restoration of historic stone masonry for prime contractors on National Park Service projects at the C&O Canal. Resets, replaces, and cleans stones using non-destructive methods; performs dry-stack construction and installs tie, hearing, and pinning stones. Requires stone masons with 3 similar historic projects and completion of 5'x5' in-situ mockups. Delivers restored stone walls, piers, and abutments.