This Government Contract opportunity from California was posted on August 12, 2026. The submission period has ended. Browse the details below for market research, or find similar active opportunities.

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Earthwork and Aggregate Base Installation

Closed

State & Local

Submission Closed09/17/2026, 09:00:00 PM UTC

Contract Overview

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

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NAICS: 238910

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Pre-Solicitation Notice - Trenching, Conduit and Ground-well Installation

Solicitation # PR16330526

US Embassy Kingston

POSTED

1 day ago

DEADLINE

in 16 days

AI Contract Overview

This subcontract for Earthwork and Aggregate Base Installation involves soil management and the installation of an aggregate base for prime contractors at the National City Marine Terminal. The scope of work requires the placement of 24 inches of aggregate base above the trench pipe zone, which must be compacted to 95 percent relative compaction using specialized equipment to cover the repaired waterline. All operations must strictly adhere to the 2024 Greenbook standards established by the SSPWC. The project is managed under the San Diego Unified Port District in National City, California, with a NAICS code of 238910. Interested parties must submit their responses by the deadline of September 17, 2026.

General Info

Earthwork and aggregate base installation at National City Marine Terminal by September 17, 2026.

Agency

California → San Diego Unified Port District

NAICS

238910 - Site Preparation Contractors

Place of Performance

National City, CA, 91950, USA

Set-Aside

NONE

Documents

This scope was carved out of 2024-28.

The full solicitation package (4 documents), including the RFP, is on the prime solicitation, not on this scope.

View the prime solicitation

Waterline And Valve Repairs At National City Marine Terminal

AI Contract Breakdown

Uniform Contract Format

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Timeline

PhaseClosed

PostedAug 12

subcontract

Response DeadlineSep 17

Deadline has passed

Submission Closed

09/17/2026, 09:00:00 PM UTC

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Organization & Contact Information

AgencyCalifornia → San Diego Unified Port District

ContactsNo contacts available

OfficeN/A

Organization / AgencyCalifornia → San Diego Unified Port District

Office AddressN/A

ContactsNo contact information available

Full Description

Performs soil management and installs aggregate base for prime contractors on National City Marine Terminal projects. Places 24 inches of aggregate base above the trench pipe zone and compacts to 95% relative compaction using specialized compaction equipment. Adheres to the 2024 Greenbook (SSPWC). Delivers compacted aggregate base covering the repaired waterline.