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Segmented Retaining Walls

Active

State & Local

Response Deadline09/16/2026, 09:00:00 PM UTC

Contract Overview

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

AI Contract Overview

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This subcontract for Segmented Retaining Walls involves the furnishing and installation of modular concrete block retaining walls for prime contractors on City of Seattle municipal projects. The scope of work encompasses excavation, foundation soil preparation, leveling pad installation, and the placement of ASTM C1372 modular concrete block units, including the installation of backfill and drain pipes in accordance with ASTM D1557 to deliver a completed segmented retaining wall system. Managed by the Public Works agency in Washington under NAICS code 237310, the opportunity was posted on August 12, 2026. Interested parties must submit their responses by the deadline of September 16, 2026.

General Info

Subcontract for installing modular concrete retaining walls for City of Seattle municipal projects.

Agency

Washington → Public WorksView Agency

NAICS

237310 - Highway, Street, and Bridge ConstructionView NAICS

Place of Performance

WA, USA

Set-Aside

NONE

Documents

This scope was carved out of PW#2026-016.

The full solicitation package (14 documents), including the RFP, is on the prime solicitation, not on this scope.

View the prime solicitation

FS 31 Interim Decommissioning

AI Contract Breakdown

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Timeline

PostedAug 12

subcontract

Response DeadlineSep 16

Submission deadline

Response Deadline

09/16/2026, 09:00:00 PM UTCin 5 days

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Organization & Contact Information

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AgencyWashington → Public Works

ContactsNo contacts available

OfficeN/A

Organization / Agency

Washington → Public Works

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Office AddressN/A

ContactsNo contact information available

Full Description

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Furnishes and installs modular concrete block retaining walls for prime contractors on City of Seattle municipal projects. Performs excavation, foundation soil preparation, leveling pad installation, and installation of modular concrete block units (ASTM C1372) with backfill and drain pipes per ASTM D1557. Delivers a completed segmented retaining wall system.

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