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Site Grading & Earthwork

Active
State & Local

Contract Overview

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

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The contract pertains to the grading and earthwork preparation of both north and south sites to support future construction and paving operations, with a NAICS code of 238990 indicating it is a subcontract under miscellaneous construction activities. The work is scoped to ensure both locations are properly leveled and prepared for infrastructure development, with the place of performance located in the 95519 zip code area. The contract was posted on June 29, 2026, under the jurisdiction of Humboldt County in California, and is accessible through the California Environmental Quality Act online portal. No specific set-aside provisions or point of contact details are provided, and the full scope of work remains tied to site readiness for subsequent construction phases.

General Info

Grading and earthwork for north and south sites in Humboldt County, CA, for future construction, NAICS 238990.

Agency

California → Humboldt County

NAICS

238990 - All Other Specialty Trade ContractorsView NAICS

Place of Performance

CA, 95519

Set-Aside

NONE

Documents

This scope was carved out of PLN-2025-19394.

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

View the prime solicitation

Project McKinley

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Timeline

Posted

subcontract

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Organization & Contact Information

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AgencyCalifornia → Humboldt County
ContactsNo contacts available
OfficeN/A
Organization / Agency
California → Humboldt County
Office AddressN/A
ContactsNo contact information available

Full Description

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Grading and preparation of both north and south sites for construction and paving activities.

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Same NAICS industry code

NAICS: 238990
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SLED
Transportation Yard A Gate Modifications
Solicitation # 090226-1
Solicitation 090226-1 involves modifications to Gate A at the Twin Rivers Unified School District Transportation Yard located at 1400 Grand Avenue, Sacramento, California. The scope of work encompasses site demolition, earthwork, trenching, backfilling, asphalt paving, and site concrete work. Key deliverables include the installation of chain link and decorative metal fences and gates, the addition of four 10-foot square tubing posts, and the relocation and secure anchoring of existing Knox Boxes. The project requires strict adherence to technical standards, including ASTM F 1083 for steel pipe, ASTM C94 for 2,500 p.s.i. concrete, and ASTM D 6628 for pavement markings. All field welding must be performed by a Certified Structural Welder. The awarded contractor is responsible for all site safety and must submit a Site Safety Plan in compliance with DSA Bulletin BU 24-05. Specific operational requirements include maintaining clear utility markings, storing cement in weather-tight buildings, and ensuring accessibility compliance via ADA and CCR Title 24 warning surface tiles. Project oversight involves coordination with the District Construction Manager for underground work and notification of the Inspector, Architect, and DSA 48 hours prior to concrete placement. A mandatory pre-bid conference was scheduled for September 14, 2026, with a final response deadline of September 23, 2026.
TWIN RIVERS UNIFIED SCHOOL DISTRICT

POSTED

1 day ago

DEADLINE

in 12 days
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