This Solicitation opportunity from California was posted on August 17, 2026. The submission period has ended. Browse the details below for market research, or find similar active opportunities.

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MD-1 Hidden Lakes Surface Water Treatment Plant Engineering Services

Closed

20260815018State & Local

Submission Closed09/05/2026, 12:00:00 AM UTC

Contract Overview

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

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NAICS: 541330

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Pure Water Southern California Direct Potable Reuse Testing Facility

Solicitation # pure-water-southern-california-direct-potable-reuse-testing-facility

Kiewit Infrastructure West Co. is soliciting proposals for the Pure Water Southern California Direct Potable Reuse Testing Facility project located in California. This opportunity is specifically set aside for small businesses, including SBA certified Veteran Owned, Service-Disabled Veteran Owned, and Women-Owned Small Businesses, falling under NAICS code 541330. The solicitation was posted on October 28, 2026, with a response deadline of November 3, 2026. Interested parties should coordinate with the primary point of contact, Sepideh Sippy Aria, for further details regarding the submission process and project requirements.

Kiewit Infrastructure West Co.

POSTED

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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 Disadvantaged Business Enterprise and Small Business Enterprise sub-consultants and suppliers to provide specialized 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. Relevant expertise should align with NAICS codes for administrative management, engineering services, computer systems design, and public relations. Interested parties must submit their responses by November 17, 2026. The primary point of contact for this solicitation is Liz Jordan-Wettstein. This opportunity is specifically targeted toward DBE certified firms to support critical infrastructure resilience and disaster recovery documentation within the state of California.

Aanko Technologies Inc.

POSTED

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Geotechnical Analysis and Stability ModelingThis subcontract for Geotechnical Analysis and Stability Modeling involves providing professional engineering analysis for prime contractors working on Upper Thames River Conservation Authority dam projects in Canada. The scope of work focuses on reviewing structural data and seepage at armour stone retaining walls, confirming embedment depths, and updating slope stability analyses utilizing the Slope/W model. The final deliverables for this engagement include comprehensive Geotechnical Reports and updated Slope/W models. To qualify for this contract, the service provider must hold a valid P.Eng license and ensure all work complies with the Ontario Accessibility Standards and the LRIA Technical Bulletin. Interested parties must submit their responses by November 18, 2026.

Upper Thames River Conservation Authority

POSTED

DEADLINE

R.T. Orr Dam Geotechnical Investigations

Solicitation # 2026-05

The Upper Thames River Conservation Authority is soliciting proposals for geotechnical investigations and assessments of the R.T. Orr Dam located in Stratford, Ontario. The project, which initiates in 2026 and must be substantially completed by March 15, 2027, is based on recommendations from a 2023 Dam Safety Review by D.M. Wills Associates Limited. The scope of work includes reviewing existing structural data, conducting a detailed seepage investigation at the downstream left armour stone retaining wall, performing supplementary field investigations for embankment slope stability, installing two nested monitoring wells in both earth embankments, and updating stability analyses for armour stone structures. All work must adhere to the LRIA Technical Bulletin for Geotechnical Design and Factors of Safety and meet Ontario Accessibility Standards for electronic deliverables. Proposals must be submitted electronically via the bids and tenders platform by 3:00 PM Eastern Daylight Time on November 18, 2026. The selection process utilizes a two-envelope system where technical qualifications in Envelope A are evaluated before the cost proposal in Envelope B is opened. Award decisions are based on best value, considering experience, understanding of the work, proposed methodology, schedule, and cost reasonableness. Selected consultants must provide proof of professional licensing, WSIB standing, and required insurance policies, while maintaining strict confidentiality regarding project information.

Upper Thames River Conservation Authority

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Traffic Signal Installation Oversight and Quality AssuranceThe Traffic Signal Installation Oversight and Quality Assurance subcontract involves providing technical supervision and oversight for prime contractors working on regional signal synchronization projects for the City of Aliso Viejo. The selected provider will be responsible for conducting on-site field supervision to ensure that installation contractors adhere to approved plans, specifications, and estimates, as well as Caltrans signal installation standards. Key deliverables include the performance of post-construction walkthroughs and the submission of detailed installation compliance reports and walkthrough documentation. This project is located in Aliso Viejo, California, with a response deadline set for December 2, 2026.

POSTED

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Traffic Signal Infrastructure Design and PS&E PreparationThis subcontract opportunity involves providing professional engineering design services for regional signal synchronization projects within the City of Aliso Viejo, California. The selected contractor will support prime contractors by preparing comprehensive Plans, Specifications, and Estimates for traffic signal equipment and infrastructure improvements, while also developing technical responses and bid advertisements. A valid California Professional Engineer license is required to perform this work. The project culminates in the delivery of a complete PS&E package, with a response deadline set for December 2, 2026.

POSTED

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Traffic Data Collection and Field Study ServicesThis subcontract for Traffic Data Collection and Field Study Services supports prime contractors on regional signal synchronization projects for the City of Aliso Viejo. The scope of work involves comprehensive traffic analysis, including seven-day 24-hour machine counts, intersection turning movement counts, and floating car studies utilizing GPS and synchronized video analysis. All operations must be conducted within Caltrans right-of-way in strict accordance with 2026 CTFP Guidelines, with final deliverables consisting of field review memos and summarized count data provided in Excel format. The project is located in Aliso Viejo, California, under NAICS code 541330. Interested parties should note that the solicitation was posted on October 28, 2026, with a response deadline set for December 2, 2026.

POSTED

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Oso Parkway/Pacific Park Drive/Glenwood Drive Regional Traffic Signal Synchronization Project

Solicitation # 20261026016

The City of Aliso Viejo is soliciting proposals for a professional licensed consultant to provide regional traffic signal synchronization services for the Oso Parkway, Pacific Park Drive, and Glenwood Drive corridor. The project involves coordinating traffic signals across multiple jurisdictions, including the Cities of Aliso Viejo, Laguna Hills, Mission Viejo, Laguna Niguel, the County of Orange, and Caltrans, extending from Moulton Parkway to the SR-241 Northbound On-Ramp. The projected period of performance is from April 1, 2027, to September 30, 2030. The selected consultant will be responsible for providing all necessary labor, materials, and equipment to implement optimized signal timing in accordance with the Regional Traffic Signal Synchronization Master Plan and the City's Local Signal Synchronization Plan. Proposals are due by December 2, 2026, and must be submitted as one hard copy and one electronic PDF on a USB drive, with the cost proposal in a separate sealed envelope. Award decisions will be based on a weighted evaluation of the consultant's ability and skills, character and reputation, cost reasonableness, ability to meet time requirements, financial resources, and previous experience with the vendor. The contract is governed by the laws of the State of California with venue in Orange County. Key requirements include compliance with California prevailing wage laws, adherence to the City's Minority Business Enterprise program, and the submission of annual political contribution disclosures.

POSTED

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Landscape Architecture and Public Space DesignerThis subcontract opportunity is for a Landscape Architecture and Public Space Designer to provide planning and conceptual design services for public parks on Atlanta Regional Commission projects. The selected professional will be responsible for advancing central gathering place planning to 30 percent completion, with a specific focus on integrating stormwater management and tree canopy considerations. Additionally, the scope includes the development of comprehensive placemaking strategies encompassing lighting, landscaping, wayfinding, and public art. To be eligible for this role, the contractor must hold a Professional Landscape Architect license. The primary deliverables for the engagement are a 30 percent Park Design Plan and a formal placemaking strategy document. This project is issued by the Buckhead Community Improvement District in Georgia, with a response deadline of November 13, 2026.

Buckhead Community Improvement District

POSTED

DEADLINE

Multimodal Transportation & Mobility SpecialistThis subcontract for a Multimodal Transportation and Mobility Specialist involves analyzing and designing transportation improvements for prime contractors on Atlanta Regional Commission projects. The scope of work includes assessing roadways, transit stops, trails, and bicycle or pedestrian infrastructure to develop a prioritized list of local, state, and federal projects. Using GIS and Complete Streets design standards, the specialist will create a walkable streetscape focus area and grid prototype developed to 30 percent completion. The project is issued by the Buckhead Community Improvement District in Georgia under NAICS code 541330. The primary deliverables consist of a comprehensive transportation framework and the 30 percent design prototype. Interested parties should note the response deadline of November 13, 2026.

Buckhead Community Improvement District

POSTED

DEADLINE

Buckhead CID Livable Centers Initiative Master Plan

Solicitation # 2026-10

The Buckhead Community Improvement District is soliciting proposals for the Buckhead Livable Centers Initiative Master Plan, a project aimed at updating the 2017 LCI plan to improve accessibility, walkability, and transit use. The scope of work focuses on the Buckhead and Lenox MARTA station areas and their connected mixed-use districts. Key deliverables include an existing conditions assessment report, a regulatory code study and audit, and the advancement of both a central gathering place/park plan and a walkable streetscape prototype to 30 percent completion. The total budget for this project is 300,000 dollars, with payments made via monthly invoices and progress reports. The project is funded through the Atlanta Regional Commission’s Livable Centers Initiative program and must adhere to federal regulations 49 CFR Part 18 and 49 CFR Part 26 regarding competitive procurement and Disadvantaged Business Enterprise participation. Additionally, the contractor must comply with the Georgia Security and Immigration Compliance Act and the Clean Air Act Amendments of 1990. The performance period begins with a notice to proceed on December 21, 2026, with a project kickoff in January 2027 and a final completion deadline of November 19, 2027. Selection will be based on the consultant's qualifications, prior experience, proposed approach, and understanding of the local Buckhead context.

Buckhead Community Improvement District

POSTED

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Wastewater System Engineering ConsultantThe Wastewater System Engineering Consultant subcontract involves providing technical analysis and preliminary design services for prime contractors working on sewerage system projects for the City of Alamo. The selected consultant will be responsible for analyzing existing system capacity and conditions, developing design alternatives, and calculating flow rates in strict accordance with state environmental standards and Georgia Department of Community Affairs guidelines. Key technical requirements include the use of GIS mapping tools and hydraulic modeling software to produce design calculations, technical data, and draft sections of the Preliminary Engineering Report. Qualified candidates must hold a valid Georgia Professional Engineer license to perform this work. This opportunity was posted on October 28, 2026, with a response deadline of November 30, 2026. The project falls under NAICS code 541330 and is focused on ensuring the city's wastewater infrastructure meets all necessary regulatory and performance benchmarks.

City of Alamo

POSTED

about 10 hours ago

DEADLINE

in about 1 month

AI Contract Overview

The Madera County Public Works Department is soliciting professional engineering services for the MD-1 Hidden Lakes Surface Water Treatment Plant located in eastern Madera County. The selected consultant will be responsible for completing the design, providing bidding assistance, and furnishing engineering services during construction, starting from the 60 percent design milestone through 90 percent and final plans, specifications, and estimates. Key deliverables include a detailed project schedule, final as-built plans in AutoCAD and PDF formats, and the completion of the Madera County Consultant Final Acceptance Statement. The project must adhere to California safe drinking water standards and requirements from the California State Water Resources Control Board's Expedited Drinking Water Grant Funding Program. The contract is a cost-plus-fixed-fee agreement requiring compliance with 23 CFR 172.9(b), 48 CFR 31, and 2 CFR 200. Proposals must be submitted electronically via BidExpress by September 4, 2026, and will be evaluated based on qualifications, with final award approval granted by the Board of Supervisors. The tentative notice to proceed is November 4, 2026. Qualified personnel must hold valid California licenses for civil engineering, geotechnical engineering, and land surveying as applicable. Additionally, the consultant must comply with prevailing wage laws, Title VI of the Civil Rights Act of 1964, and provide specific liability insurance coverages, including professional liability of at least 1 million dollars per occurrence.