This Government Contract opportunity from California was posted on August 14, 2026. The submission period has ended. Browse the details below for market research, or find similar active opportunities.

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Environmental Technical Studies Sub-Consultant

Closed

State & Local

Submission Closed09/11/2026, 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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NAICS: 541330

New

SLED

Keller Community Center Roof Replacement Engineering & Design

Solicitation # RFP-KCC-Roof-Design.pdf

The Confederated Tribes of the Colville Reservation is seeking a Washington State Certified and Licensed Engineering Firm to provide stamped engineered drawings and specifications for the replacement of approximately 10,000 square feet of roofing at the Keller Community Center in Nespelem, Washington. The scope of work includes providing construction-ready documents, RFI responses, submittal reviews, professional guidance on asbestos, and assistance with the Construction RFP Scope of Work. The contractor is responsible for providing cost estimates for the entire project and individual sections, including the gymnasium, metal roof, and walkway roof, while ensuring HVAC curbs are sealed and engineering a ladder for roof access. Engineering services are scheduled for completion between October 2026 and March 2027, with continued support through the construction phase. Proposals must be submitted by 3:00 p.m. PST on October 29, 2026, and must not exceed 30 pages. Evaluation is based on a 100-point scale considering technical responsiveness, qualifications, experience, cost, and TERO preferences, with a specific price preference for responsible Indian Offerors within 10 percent of the lowest bid. Awarded contractors must consent to the jurisdiction of the Colville Tribal Court and maintain comprehensive insurance, including Commercial General Liability of 1 million dollars per occurrence. Additionally, contracts exceeding 100,000 dollars require a performance bond, otherwise, a 25 percent retainage applies. All payments are contingent upon the availability of funds within the tribal treasury and follow a fiscal year from October 1 to September 30.

Confederated Tribes of the Colville Reservation

POSTED

DEADLINE

College Park East Stormwater Infrastructure Design Services

Solicitation # college-park-east-stormwater-infrastructure-design-services

The City of Seal Beach is seeking design services for the College Park East Stormwater Infrastructure project located in Orange County, California. This solicitation, identified as CIP SD2601, is being managed by Stantec Consulting Services Inc. and falls under the NAICS code 541330 for engineering services. Interested parties must submit their responses by the deadline of October 6, 2026. Primary coordination for this opportunity is handled by Laura Duarte, and the project focuses on critical stormwater infrastructure improvements within the specified region.

Stantec Consulting Services Inc.

POSTED

DEADLINE

SURFACE POWER EXCHANGE CONNECTOR (SPEC)The Surface Power Exchange Connector (SPEC) is a forecast project by the NASA Johnson Space Center designed to establish a standardized common interface for transferring energy from Electrical Power Systems to Electrical Power Consuming Equipment. This plug-and-play architecture ensures that various lunar surface assets, such as habitats, Fission Surface Power, the Lunar Terrain Vehicle, and Pressurized Rovers, can reliably exchange power. The hardware configuration typically involves a vehicle-fixed mounted connector installed prior to launch and a separate mobile cable end. This initiative adheres to the Lunar Surface integration Phase Power Specification EHP-10069 and falls under NAICS code 541330. The project aims to create a universal hardware definition that supports diverse lunar infrastructure, ensuring interoperability across different power-consuming and power-providing assets on the lunar surface.

POSTED

DEADLINE

Request for Proposal 16-27-SKL Architectural and Engineering Consulting Services

Solicitation # RFP-129331

The City of Portsmouth, Virginia, is seeking proposals for architectural and engineering consulting services under solicitation number RFP-129331. This SLED organization project requires qualified consultants to provide professional technical services within the City of Portsmouth. Interested parties must submit their responses by the deadline of October 27, 2026, at 6:00 PM. For further inquiries or coordination, the designated point of contact is Susan Kenney Lambert.

POSTED

DEADLINE

RFP No. 270005936 Wastewater Annual Engineering Services

Solicitation # RFP-129323

The City of Richmond, Virginia, is soliciting proposals for RFP No. 270005936 to secure professional on-call engineering services for the Department of Public Utilities Wastewater Utility. The selected provider will offer comprehensive support for capital improvement program projects and significant operations and maintenance initiatives. Scope of work includes utility surveying, planning, investigation, architectural and engineering design, permitting, plan review, bidding, and construction support. Interested parties must submit their documentation and proposals through the designated online portal by the deadline of October 30, 2026. This solicitation is managed by the City of Richmond Government and is specifically targeted toward supporting the infrastructure and operational needs of the local wastewater system. Inquiries regarding the proposal process can be directed to Jennifer Worley.

City of Richmond Government

POSTED

DEADLINE

Design Phase Professional Services Prequalification

Solicitation # RFQ 26-19912-TF

The City of Lubbock is issuing RFQ 26-19912-TF to prequalify professional firms for design phase services focusing on stormwater analysis modeling, design, and construction phase services. The scope of work is divided into three primary functional areas: watershed boundary and drainage studies to identify and prioritize stormwater issues, the design and construction of stormwater system improvements, and the restoration of playa and canyon lakes to mitigate sedimentation and development impacts. Key deliverables include master drainage plans, FEMA mapping, Community Rating System studies, and the implementation of stormwater quality BMPs and regional detention facilities. All hydraulic and hydrologic modeling must be performed using Stormwise (ICPR). The procurement follows a two-step process in accordance with Chapter 2254 of the Government Code, where the city evaluates written qualifications to shortlist up to five firms, followed by a final selection process that may include interviews. Interested firms must submit a Statement of Qualifications not exceeding 35 pages, plus a 10-page appendix, by October 1, 2026, at 2:00 p.m. No fee statements or cost proposals are permitted in the initial submittal. Selection does not guarantee work or compensation, as funding is allocated on a per-project basis subject to annual city appropriation. Contractors must comply with various Texas Government Code requirements, including non-boycott certifications regarding Israel and energy companies, as well as non-discrimination policies toward firearm entities for companies with 10 or more employees and contracts valued at $100,000 or more. Additionally, business entities entering into contracts valued at $1 million or more must file a disclosure of interested parties. The city maintains the right to audit contractor records and prohibits the assignment or subletting of the contract without written consent from the Director of Purchasing and Contract Management.

POSTED

DEADLINE

Provision of Engineering Services for Preliminary and Detailed Design, Contract Tender Preparation, Contract Administration, Inspection, Geotechnical Investigation and Material Testing for 2026 Various Bridge and Culverts Rehabilitation and Replacement Pr

Solicitation # P-1356-26

The Regional Municipality of Halton is soliciting proposals for professional engineering services for the 2026 Various Bridge and Culverts Rehabilitation and Replacement Program. The scope of work encompasses ten structures and includes preliminary and detailed design, contract tender preparation, contract administration, inspection, geotechnical investigation, and material testing. Key deliverables are phased through preliminary design at 30 percent, detailed design at 60 percent, and final design at 90 and 100 percent, followed by tender preparation and construction phase services. The project requires coordination with various approval authorities and adherence to the Ontario Structure Inspection Manual and MEACEO Agreement standards. Award selection is based on a combined scoring system where technical proposals must achieve a minimum threshold of 70 percent to be considered, with the remaining 20 percent of the score based on a pro-rated cost evaluation. The successful consultant must be a licensed Professional Engineer in Ontario and maintain significant insurance coverage, including 5 million dollars in Commercial General Liability and 2 million dollars each for Automobile and Professional Liability. Strict compliance is required regarding Occupational Health and Safety Management Systems accreditation, AODA accessibility standards, and the submission of WSIB clearance certificates with every invoice. Payments are processed via Electronic Funds Transfer, and the Region maintains sole ownership of all produced materials.

POSTED

DEADLINE

OPEN Groundwater Modeling and Reporting Services for the West Coast Basin Barrier Project

Solicitation # RFP-DS-0151

West Basin Municipal Water District is soliciting proposals under RFP-DS-0151 for qualified firms to provide groundwater modeling and reporting services for the West Coast Basin Barrier Project (WCBBP). The project utilizes a hydraulic barrier to prevent seawater intrusion into groundwater aquifers and is strictly regulated by the Los Angeles Regional Water Quality Control Board Barrier permit R4-2006-0069, Title 22 Recycled Water Regulations for Groundwater Recharge, and the Recycled Water Policy. Key deliverables include the performance of annual groundwater modeling and the preparation of a technical memorandum for annual reports, as well as a modeling component for the WCBBP Five-Year Engineering Report, which requires review by a California-registered Professional Geologist. Proposals are due by October 20, 2026, at 2:00 pm via the OpenGov e-procurement system, with a recommended award notice expected the week of November 16, 2026. Evaluation is based on a 100-point scale considering proposal quality, firm experience in seawater barrier systems, key personnel qualifications, technical methodology, and three references from the last five years. Additional incentive points are available for certified Small, Local, or Veteran Owned Business Enterprises. Selected vendors must comply with California prevailing wage laws, maintain specific insurance coverages naming West Basin as an additional insured, and agree to a three-year audit period for all invoices.

West Basin Municipal Water District

POSTED

DEADLINE

RFP No. 270005805 Water Annual Engineering Services

Solicitation # RFP-129311

The City of Richmond, Virginia, is soliciting proposals for RFP No. 270005805 to secure professional on-call engineering services for the Department of Public Utilities Water Utility. The selected provider will offer comprehensive support for capital improvement program projects and significant operations and maintenance initiatives, encompassing utility surveying, planning, investigation, architectural design, engineering, permitting, plan review, bidding, and construction support. Interested parties must submit their documentation and proposals through the designated online procurement portal by the deadline of October 30, 2026. This solicitation is managed by the City of Richmond Government, with Jennifer Worley serving as the primary point of contact for the procurement process.

City of Richmond Government

POSTED

DEADLINE

RFP No. 2600020046 Stormwater Annual Engineering Services

Solicitation # RFP-129310

The City of Richmond, Virginia, is soliciting proposals through competitive negotiation for professional on-call engineering services to support the Department of Public Utilities Stormwater Utility. The scope of work encompasses a wide range of technical services, including utility surveying, planning, investigation, architectural design, and engineering. Additionally, the selected provider will assist with permitting, plan review support, bidding, construction, and overall engineering support for both capital improvement program projects and significant operations and maintenance initiatives. This solicitation, identified as RFP No. 2600020046, was posted on September 30, 2026, with a response deadline of October 23, 2026. Interested parties must submit their documentation and proposals through the city's online procurement portal. The contract will be performed within the City of Richmond, Virginia, and is managed by the City of Richmond Government.

City of Richmond Government

POSTED

DEADLINE

RFP 6268 - Circuit Rider Drinking Water Services

Solicitation # S-44300-00018086

Solicitation S-44300-00018086, also known as RFP 6268, is issued by the Oregon Health Authority Public Health Division to secure Circuit Rider Drinking Water Services. The scope of work involves providing on-site technical troubleshooting, evaluations, and inspections to identify system deficiencies and provide resolution recommendations to improve compliance with the Safe Drinking Water Act. Additionally, the contractor will provide project management for approved service actions. Short-term technical assistance is generally limited to 10 hours per problem without prior written approval, while Disinfectant Contact Time determinations may be authorized in 15-hour increments. The contract is anticipated to have an initial term of 2 years, with renewal options up to a cumulative maximum of 5 years. Payment is structured with specific hourly rates: 150.00 dollars per hour for circuit rider services and travel time, 120.00 dollars per hour for engineering staff, and 55.00 dollars per hour for non-engineering staff. Proposers must meet strict minimum qualifications, including providing a Registered Professional Engineer with current Oregon certification and an Oregon Operator Certificate for each key person. Those serving surface water systems must have at least one key person with a Level 3 or 4 Water Treatment Certificate. Proposals are evaluated on a scored system focusing on the project implementation plan, organizational capacity, key personnel qualifications, fiscal stability, and reference checks. The procurement emphasizes health equity, requiring contractors to prioritize services for tribal communities, low-income communities, and communities of color. Compliance with various federal civil rights laws, the Americans with Disabilities Act, and environmental regulations such as the Clean Air and Clean Water Acts is mandatory. Proposers must submit their responses electronically via OregonBuys by October 29, 2026, including all required certifications, a COBID outreach plan, and a signed responsibility inquiry.

POSTED

DEADLINE

MS-IFB/DWM/2608-1270041, Hemphill Water Treatment Plant SCADA Improvements

Solicitation # PE-66062-NONST-2027-000000489

The City of Atlanta is soliciting proposals for the Hemphill Water Treatment Plant SCADA Improvements project, identified by solicitation number PE-66062-NONST-2027-000000489 and MS-IFB/DWM/2608-1270041. This initiative aims to enhance the modernization and reliability of critical process control, monitoring, and automation functions essential to plant operations. The selected firm will be responsible for performing SCADA system upgrades, integrating these systems with existing water treatment processes, and implementing new control system components within the state of Georgia. The solicitation was posted on September 30, 2026, with a response deadline of October 14, 2026, at 2:00 PM ET. Interested qualified firms must submit their proposals through the Georgia Procurement Registry. The primary point of contact for this effort is Jeremias Cirilo. While the specific contract value and detailed performance period are not provided, the project focuses on technical expertise in automation and water treatment infrastructure.

City of Atlanta

POSTED

about 23 hours ago

DEADLINE

in 13 days

AI Contract Overview

The Environmental Technical Studies Sub-Consultant contract involves providing specialized field studies and technical reports for prime contractors on facility projects for the County of Santa Barbara. The selected sub-consultant will be responsible for performing field reviews of site conditions and executing geotechnical, hydrological, or cultural resource studies as specified by the Project Initiation Report. This work requires the use of field sampling equipment and site analysis software to deliver comprehensive technical studies and reports. Qualified candidates must hold professional licensure as a Professional Geologist or Professional Engineer. This subcontract opportunity, categorized under NAICS code 541330, was posted on August 14, 2026, with a response deadline of September 11, 2026.

General Info

Sub-consultant providing technical field studies and reports for Santa Barbara County facility projects.

Agency

California → County of Santa Barbara

NAICS

541330 - Engineering Services

Place of Performance

CA, USA

Set-Aside

NONE

Documents

This scope was carved out of 25123.

The full solicitation package (5 documents), including the RFP, is on the prime solicitation, not on this scope.

View the prime solicitation

GS Capital Projects - 25123 - Fire Station 25 - Environmental Services

AI Contract Breakdown

Uniform Contract Format

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Timeline

PhaseClosed

PostedAug 14

subcontract

Response DeadlineSep 11

Deadline has passed

Submission Closed

09/11/2026, 10:00:00 PM UTC

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Organization & Contact Information

AgencyCalifornia → County of Santa Barbara

ContactsNo contacts available

OfficeN/A

Organization / AgencyCalifornia → County of Santa Barbara

Office AddressN/A

ContactsNo contact information available

Full Description

Conducts field studies and technical reports for prime contractors on County of Santa Barbara facility projects. Performs field reviews of site conditions and executes geotechnical, hydrological, or cultural resource studies as identified by the PIR. Utilizes field sampling equipment and site analysis software. Requires professional licensure (PG or PE). Delivers completed technical studies and reports.

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