This Government Contract opportunity from Oregon was posted on September 8, 2026. The submission period has ended. Browse the details below for market research, or find similar active opportunities.

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Earthwork & Site Preparation

Closed

State & Local

Submission Closed10/13/2026, 10:00:00 PM UTC

Contract Overview

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

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Demolition & Earthwork Contractor

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POSTED

1 day ago

DEADLINE

in 14 days

AI Contract Overview

This subcontract for Earthwork and Site Preparation involves providing excavation, backfilling, and compaction services for prime contractors at the Columbia Heights Substation in The Dalles, Oregon. The scope of work specifically includes backfilling against concrete and walled structures, with a requirement to compact materials in 6-inch layers to achieve 95 percent density according to AASHTO T 99 standards. The contractor will utilize vibratory compactors and power tampers to deliver a fully graded site and properly backfilled structures. The opportunity is issued by the NWCPUD under NAICS code 238910. Interested parties must submit their responses by the deadline of October 13, 2026.

General Info

Earthwork and site preparation subcontract for Columbia Heights Substation, due October 13, 2026.

Agency

Oregon → NWCPUD

NAICS

238910 - Site Preparation Contractors

Place of Performance

The Dalles, OR, 97058, USA

Set-Aside

NONE

Documents

This scope was carved out of ITB #2026002.

The full solicitation package (6 documents), including the RFP, is on the prime solicitation, not on this scope.

View the prime solicitation

Columbia Heights Substation

AI Contract Breakdown

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Timeline

PhaseClosed

PostedSep 8

subcontract

Response DeadlineOct 13

Deadline has passed

Submission Closed

10/13/2026, 10:00:00 PM UTC

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Organization & Contact Information

AgencyOregon → NWCPUD

ContactsNo contacts available

OfficeN/A

Organization / AgencyOregon → NWCPUD

Office AddressN/A

ContactsNo contact information available

Full Description

Performs excavation, backfilling, and compaction for prime contractors on Columbia Heights Substation projects. Backfills against concrete and walled structures, compacting in 6-inch layers to 95% density per AASHTO T 99. Utilizes vibratory compactors and power tampers. Delivers a compacted and graded site and backfilled structures.