This Government Contract opportunity from California was posted on May 13, 2026. The submission period has ended. Browse the details below for market research, or find similar active opportunities.

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Commercial Diving Services for Submerged Infrastructure Inspection and Maintenance

Closed

State & Local

Submission Closed06/10/2026, 11:00:00 PM UTC

Contract Overview

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

Active Opportunities Like This One

NAICS: 238990

New

SLED

Mobilization and Site SetupThis subcontract involves the mobilization of equipment, labor, and materials necessary for setting up temporary access roads, laydown areas, and overall site preparation. The work is designated under NAICS code 238990, indicating specialized construction activities. Issued by the Massachusetts Department of Transportation, the contract focuses on activities within District 2. Although no solicitation number or specific organizational set-aside details are provided, the subcontract is critical for enabling the efficient commencement and progress of broader construction projects by establishing the foundational infrastructure needed on site. The deadline for response and posting date are both August 28, 2026, emphasizing a prompt procurement timeline.

Massachusetts Department of Transportation

POSTED

DEADLINE

Guardrail, Barrier, and Fencing InstallationThe contract involves the supply and installation of traffic barriers, guardrails, and perimeter fencing specifically along the bridge and approach areas within District 2. It is a subcontract opportunity issued by the Massachusetts Department of Transportation, targeting projects aligned with NAICS code 238990, which covers specialty trade contractors. The solicitation and response deadline are both set for August 28, 2026, indicating a firm timeline for proposal submissions. This contract focuses on enhancing safety infrastructure by installing physical barriers to protect vehicular traffic and secure the perimeter of bridge environments. While the specific location details beyond District 2 are not provided, the project is managed by MassDOT, signaling a public transportation infrastructure priority within the state. Interested parties can access further details and submit proposals through the designated online platform provided by the agency.

Massachusetts Department of Transportation

POSTED

DEADLINE

Temporary Shoring and Support SystemsThis contract involves the design, supply, and installation of temporary shoring systems essential for supporting adjacent structures or excavation activities during bridge demolition and construction projects. The work is critical to ensure structural stability and safety throughout the demolition and construction phases of bridge work. The contract is categorized under NAICS code 238990, which covers specialized construction services. Issued by the Massachusetts Department of Transportation (MASSDOT), the subcontract opportunity is specifically located in District 2 of Massachusetts. The solicitation was posted and has a response deadline on August 28, 2026. While no type of set-aside or specific organization type is identified, the contract emphasizes timely and secure installation of temporary support systems as part of infrastructure improvement efforts in the region.

POSTED

DEADLINE

Bridge Demolition ServicesThe contract involves the complete demolition of Bridge No. C-13-038 (OWR), encompassing all associated debris removal and site clearance tasks. It is a subcontract opportunity issued by the Massachusetts Department of Transportation (MASSDOT) and relates to the NAICS code 238990, which generally covers specialty trade contractors. The project is set to take place in District 2 within Massachusetts, with a response deadline on August 28, 2026. The contract aims to fully remove the existing bridge structure and ensure the site is cleared and prepared following demolition activities.

POSTED

DEADLINE

Retaining Wall Design and Construction (MSE Walls)This contract involves the design and construction of Mechanically Stabilized Earth (MSE) retaining walls that must adhere to the standards set forth by AASHTO Section 11 and Massachusetts Department of Transportation (MassDOT) specifications. A critical requirement includes limiting wall settlement to no more than one inch, ensuring structural stability and longevity. The project is categorized under NAICS code 238990, which relates to specialty trade contractors, and is issued as a subcontract opportunity by MassDOT. The work will be performed in District 4 of Massachusetts, although specific location details within the district are not provided. The solicitation and response deadline both fall on June 26, 2026. While there are no specified set-asides or organization types indicated, interested parties can access further details and submit proposals via the MassDOT bidding portal. The contract emphasizes adherence to stringent design and construction standards aimed at delivering durable retaining wall infrastructure in transit or transportation projects.

Massachusetts Department of Transportation

POSTED

in 9 days

DEADLINE

in 9 days

AI Contract Overview

This contract involves providing specialized commercial diving services focused on the underwater inspection, maintenance, and repair of dams, intake towers, gates, and other submerged structures at reservoirs. The work requires employing advanced diving techniques such as surface-supplied air, mixed-gas, or saturation diving to ensure thorough and safe operations. Additionally, the contract covers emergency response capabilities and includes underwater video documentation to support assessment and reporting processes. Issued by the Placer County Water Agency in California, the subcontract falls under the NAICS code 238990, which relates to specialty trade contractors. The solicitation was posted on May 13, 2026, with a response deadline of June 10, 2026. Although certain details such as exact location and points of contact are unspecified, the contract is clearly aimed at securing expert diving services to maintain critical water infrastructure through detailed underwater operations and timely interventions.

General Info

Specialized commercial diving for underwater inspection, maintenance, emergency response, and video documentation of dams.

Agency

California → Placer County Water Agency

NAICS

238990 - All Other Specialty Trade ContractorsView NAICS

Place of Performance

CA, USA

Set-Aside

NONE

Documents

(0)

No documents available

AI Contract Breakdown

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Timeline

PhaseClosed

PostedMay 13

subcontract

Response DeadlineJun 10

Deadline has passed

Submission Closed

06/10/2026, 11:00:00 PM UTC

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Organization & Contact Information

AgencyCalifornia → Placer County Water Agency

ContactsNo contacts available

OfficeN/A

Organization / Agency

California → Placer County Water Agency

Office AddressN/A

ContactsNo contact information available

Full Description

Perform underwater inspection, maintenance, and repair of dams, intake towers, gates, and submerged structures at reservoirs using surface-supplied air, mixed-gas, or saturation diving techniques. Includes emergency response and underwater video documentation.