This Subcontract opportunity from California was posted on September 24, 2026. The submission period has ended. Browse the details below for market research, or find similar active opportunities.

Top

Substation & Receiving Station Electrical Design

Closed

State & Local

Submission Closed10/22/2026, 03:00:00 PM PDT

Contract Overview

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

Active Opportunities Like This One

NAICS: 541330

New

GLCA 318882 - Provide Lake Access to Bullfrog Area

Solicitation # glca-318882-provide-lake-access-bullfrog-area

The GLCA 318882 project involves providing lake access to the Bullfrog Area in Utah. The scope of work requires the design of a 150-foot-wide concrete launch ramp with a 10.5 percent grade servicing water surface elevations between 3700 and 3450. Additionally, the contractor must design a 16-acre asphalt parking area and a two-lane asphalt access road connecting the parking area to US 276. This solicitation is issued by WW Clyde and Co under NAICS code 541330 and is set aside for various small business categories, including SDVOSB, WOSB, HUBZone, and SDB. Notably, the contract includes an Indian Small Business Economic Enterprise requirement. Interested parties should coordinate with the primary point of contact, Chanel Hope, regarding the submission process.

POSTED

DEADLINE

Business Impact Analysis and Update Disaster Recovery Plan Services – Inland Empire Utilities Agency

Solicitation # business-impact-analysis-update-disaster-recovery-plan-services-inland-empire-utilities-agency

Aanko Technologies Inc. is soliciting certified DBE and SBE sub-consultants and suppliers to provide professional services for the Inland Empire Utilities Agency in San Bernardino and Riverside Counties, California. The scope of work focuses on emergency management, business continuity planning, technical writing, data collection, and the updating of IT and disaster recovery plans. This opportunity is targeted toward firms specializing in administrative management, engineering services, computer systems design, and public relations. Interested parties must submit their responses by November 17, 2026. The project falls under several NAICS codes, including 541611, 541330, 541512, and 541820. Primary coordination for this solicitation is handled by Liz Jordan-Wettstein at Aanko Technologies Inc.

Aanko Technologies Inc.

POSTED

DEADLINE

Building Condition Assessment and Evaluation ServicesThe Building Condition Assessment and Evaluation Services subcontract, issued by the Rockdale County Board of Commissioners in Georgia, involves performing detailed evaluations of existing facilities for prime contractors on County professional services projects. The selected provider will conduct site visits and physical inspections to document structural issues, wear, and defects, ultimately delivering a comprehensive written Condition Assessment Report that includes professional findings and remediation recommendations. To qualify for this engagement, service providers must hold Professional Engineering or Registered Architect licenses. The solicitation was posted on November 11, 2026, with a response deadline of December 10, 2026. This opportunity falls under NAICS code 541330, focusing on specialized engineering and architectural assessment services.

Rockdale County Board of Commissioners

POSTED

DEADLINE

Architectural & Engineering Firms for Housing Rehabilitation

Solicitation # 26-27

Rockdale County is soliciting proposals from qualified architectural and engineering firms to provide professional services on an as-needed basis for its Repair and Revitalize Program. This program focuses on improving owner-occupied households by addressing structural deficiencies, health and safety concerns, accessibility needs, and building code requirements. The selected firm will be responsible for a comprehensive scope of work including professional evaluations, the preparation of repair drawings and technical specifications, engineering calculations, and construction-phase consultation. These services are intended to support projects funded through the Georgia Department of Community Affairs Community HOME Investment Program, and all work must be authorized in writing by the County. The contract follows a best-value selection process using a past performance, quality, and price trade-off, with professional qualifications and licensing carrying the highest weight at 25 percent. The term is for one year with the possibility of four additional one-year extensions. Requirements for the selected firm include maintaining Georgia professional licenses, providing certificates of insurance, and adhering to HUD Section 3 hiring preferences and Davis-Bacon labor standards. Proposals must be submitted via USB flash drive in PDF format to the Rockdale County Finance Department by December 10, 2026, and must include a business license, at least three professional references, and completed affidavit forms.

Rockdale County Board of Commissioners

POSTED

DEADLINE

2027-2030 On-Call Engineering and Professional Services

Solicitation # 49733

The City of San Rafael is soliciting Statements of Qualifications from consultants and contractors to establish a pre-qualified list of up to five firms per discipline for on-call engineering and professional services. The scope covers a wide array of disciplines, including architectural, civil, electrical, environmental, structural, and transportation services, among others. The resulting contracts will be managed through individual task orders for specific projects, with compensation based on either fixed fees or hourly rates. The contract term is three years, effective from July 1, 2027, through June 30, 2030, with an option for a one-year extension. Eligible firms must maintain a principal office in the San Francisco Bay Area and obtain a City of San Rafael business license. Submissions must be made electronically via Bid Express by December 8, 2026, at 2:00 PM. Evaluation is based on a 100-point system focusing on experience, timeliness, budget management, and stakeholder relations. Selected contractors must adhere to strict insurance requirements, including commercial general liability of $1 million per occurrence and $2 million aggregate, and must accept the City's standard Service Level Agreement as-is. Payments are processed monthly within 30 days of receipt, and all work is subject to the availability of appropriated funding.

POSTED

DEADLINE

Marine Stability & Ballast SpecialistThis subcontract for Marine Stability and Ballast Specialist services supports prime contractors on ferry projects for the Chatham Area Transit Authority in Georgia. The selected provider is responsible for conducting stability testing, which includes supplying the necessary personnel and weights, as well as the subsequent installation of lead ballast and flotation foam based on the resulting stability analysis. The contractor must ensure that all final installations meet the satisfaction of the USCG OCMI and deliver a comprehensive stability test report upon completion. Interested parties should note the response deadline of January 22, 2027, for this specialized technical engagement categorized under NAICS code 541330.

Chatham Area Transit Authority

POSTED

DEADLINE

Hydrology and Hydraulic (H&H) AnalysisThis subcontract opportunity is for the provision of Hydrology and Hydraulic (H&H) Analysis services to support prime contractors on Montana Department of Transportation remediation projects. The selected provider will be responsible for performing water flow analysis, drainage analysis, and flood risk assessments utilizing HEC-RAS or HEC-HMS software. The final deliverables for these assignments include a comprehensive Hydrology and Hydraulic report along with all necessary supporting data. Qualified candidates must hold a Professional Engineer license to perform this work under NAICS code 541330. The solicitation was posted on November 10, 2026, with a response deadline of December 9, 2026. Interested parties can find further details through the State of Montana procurement portal.

POSTED

DEADLINE

Civil and Structural Engineering ServicesThis subcontract for Civil and Structural Engineering Services involves providing specialized engineering design and analysis for prime contractors working on Montana Department of Transportation ditch remediation projects. The scope of work includes conducting structural analyses of existing ditch structures, developing comprehensive remediation plans, and preparing detailed engineering drawings that adhere to MDT standards. The selected provider must hold a Professional Engineer license in the state of Montana to deliver signed and sealed engineering plans, structural calculations, and technical specifications. This opportunity is categorized under NAICS code 541330, with a response deadline set for December 9, 2026.

POSTED

DEADLINE

Structural Engineering (Culvert Design)This subcontract for Structural Engineering focuses on the detailed structural design of culvert replacements for prime contractors working on Montana Department of Transportation interstate projects. The scope of work includes the design of arch structures, box culverts, and reinforced concrete pipe, culminating in the delivery of technical specifications, detailed construction drawings, and final structural calculations. The opportunity is categorized under NAICS code 541330 and is associated with the state of Montana. Interested parties must adhere to the timeline established by the posting date of November 10, 2026, with a response deadline set for December 9, 2026.

POSTED

DEADLINE

Geotechnical Investigation & Soil AnalysisThis subcontract for Geotechnical Investigation and Soil Analysis involves performing subsurface investigations for prime contractors working on Montana Department of Transportation interstate culvert projects. The scope of work includes conducting soil boring, sampling, and laboratory testing of soil properties to establish necessary recommendations for structural support and bedding materials. The selected provider will be responsible for delivering comprehensive soil boring logs and Geotechnical Investigation Reports. This opportunity is categorized under NAICS code 541330 and was posted on November 10, 2026, with a response deadline of December 9, 2026.

POSTED

DEADLINE

Hydrologic and Hydraulic (H&H) AnalysisThis subcontract for Hydrologic and Hydraulic (H&H) Analysis involves providing specialized water flow modeling and hydraulic calculations for prime contractors working on Montana Department of Transportation interstate culvert projects. The scope of work includes analyzing watershed data, calculating peak flow rates, and modeling water velocity to ensure culvert sizing adheres to both state and federal standards. The selected provider will be responsible for delivering comprehensive H&H Analysis Reports, detailed sizing calculations, and hydraulic modeling data. This opportunity falls under NAICS code 541330 and is associated with the state of Montana, with a response deadline set for December 9, 2026.

POSTED

DEADLINE

Geotechnical InvestigationThis subcontract for Geotechnical Investigation involves performing soil borings and subsurface analysis to support prime contractors on Montana Department of Transportation infrastructure projects. The scope of work includes field drilling, soil sampling, and laboratory testing, culminating in the delivery of a Geotechnical Investigation Report and specific foundation bearing capacity recommendations. Qualified providers must hold a Professional Engineer license with a specialty in Geotechnical engineering. The solicitation was posted on November 10, 2026, with a response deadline of December 9, 2026. This opportunity falls under NAICS code 541330 and is managed through the State of Montana.

Montana

POSTED

about 14 hours ago

DEADLINE

in 28 days

AI Contract Overview

This subcontract for the California Water and Power Department involves providing specialized electrical engineering design services for receiving stations and substations. The selected provider will be responsible for creating comprehensive engineering design packages, including single-line and three-line diagrams, AC/DC schematics, wiring diagrams, and conduit and cable schedules. Additionally, the contractor must develop technical specifications for protection systems and high-voltage station equipment. A critical requirement for this engagement is that the performing engineer must hold a valid California Professional Engineer registration. The project falls under NAICS code 541330 and is managed by the Power Delivery division. Interested parties must submit their responses by October 22, 2026.

General Info

Electrical engineering design for California Water and Power Department; CA PE license required.

Agency

California → Water & Power Department, Power Delivery

NAICS

541330 - Engineering Services

Place of Performance

CA, USA

Set-Aside

NONE

Documents

This scope was carved out of 2026-RFP-0300.

The full solicitation package (18 documents), including the RFP, is on the prime solicitation, not on this scope.

View the prime solicitation

Power Delivery General Engineering Services

AI Contract Breakdown

Uniform Contract Format

No documents to break down

The breakdown needs solicitation documents. None were found from this contract's source.

Timeline

PhaseClosed

PostedSep 24

subcontract

Response DeadlineOct 22

Deadline has passed

Submission Closed

10/22/2026, 03:00:00 PM PDT

Find active opportunities like this

Get full access to discover similar active contracts, track opportunities, and build proposals with AI assistance.

Organization & Contact Information

AgencyCalifornia → Water & Power Department, Power Delivery

ContactsNo contacts available

OfficeN/A

Organization / AgencyCalifornia → Water & Power Department, Power Delivery

Office AddressN/A

ContactsNo contact information available

Full Description

Performs electrical engineering design for receiving stations and substations for prime contractors on City (PWP) power delivery projects. Prepares single-line and three-line diagrams, AC/DC schematics, wiring diagrams, and conduit/cable schedules. Develops technical specifications for high-voltage station equipment and protection systems. Requires California PE registration. Delivers complete engineering design packages.