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This Government Contract opportunity from California was posted on August 6, 2026. The submission period has ended. Browse the details below for market research, or find similar active opportunities.

Additional Engineering Support During Construction

Closed
State & Local

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
SLED
RFP/RFQ - On-Call Engineering Services for Torrington Transfer Station/NRRA
Solicitation # EDC 11- 2026 -01
The Northwest Hills Council of Governments (NHCOG) is soliciting proposals under solicitation number EDC 11- 2026 -01 for on-call engineering services to support the Torrington Transfer Station and the Northwest Resource Recovery Authority (NRRA). The agency seeks a qualified firm specializing in Municipal Solid Waste and Recycling Transfer Stations to provide technical analysis, facility and operational capacity assessments, site planning, and permitting assistance. These services are intended to support ongoing operations and inform the NRRA Strategic Plan and future capital investment decisions, ensuring compliance with CT DEEP General Permits. Interested firms must submit their proposals by November 30, 2026, at 11:00 AM. Submissions must include a project management plan, key personnel resumes limited to two pages, three relevant references, a technical approach, and a detailed project timeline. A fee proposal containing hourly rates or lump sum allocations must be submitted in a separate sealed envelope. Evaluation will be based on personnel qualifications, experience with multiuse trails and waste facility planning, the proposed project approach, and the fee schedule. Awardees must provide proof of workers compensation, liability, and vehicle insurance, including a waiver of subrogation and naming the State of Connecticut and NHCOG as additional insureds within ten days of the award. Required documentation also includes a Non-Collusion Affidavit and certifications of non-discrimination.
DAS Procurement

POSTED

about 9 hours ago

DEADLINE

in about 1 month

AI Contract Overview

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The contract seeks to secure on-call engineering support to assist with design adjustments and technical problem-solving during the construction phase of public infrastructure projects under the County of Riverside. This subcontract is classified under NAICS code 541330, indicating it involves architectural and engineering services, and is intended to provide responsive, real-time expertise to ensure construction proceeds efficiently and in compliance with technical specifications. Contractors must be available to address unforeseen issues, propose solutions to design conflicts, and support field teams as needed throughout the project timeline. The solicitation was posted on August 6, 2026, with a firm deadline for submissions set for September 3, 2026, at 8:30 PM Pacific Time. Although details regarding the specific construction project, location, or point of contact are not provided, the requirement is tied to work performed within Riverside County, California. The contract does not specify any set-aside provisions or organizational restrictions, making it open to eligible engineering firms capable of delivering prompt, high-quality technical support on an as-needed basis during active construction. All proposals must demonstrate proven capability in construction-phase engineering services and availability to respond quickly to field challenges.

General Info

On-call engineering support for Riverside County construction projects, response required for design issues and field challenges.

Place of Performance

CA, USA

Set-Aside

NONE

Documents

This scope was carved out of WMARC-492.

The full solicitation package (9 documents), including the RFP, is on the prime solicitation, not on this scope.

View the prime solicitation

GEOTECHNICAL, GEOLOGICAL AND CONSTRUCTION QA/QC SERVICES

AI Contract Breakdown

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Timeline

PhaseClosed
Posted

subcontract

Response Deadline

Deadline has passed

Submission Closed

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Organization & Contact Information

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AgencyCalifornia → County of Riverside
ContactsNo contacts available
OfficeN/A
Office AddressN/A
ContactsNo contact information available

Full Description

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Provide on-call engineering support for design adjustments and technical problem-solving during construction.

More opportunities from California → County of Riverside

Same awarding agency

NAICS: 541620
New
SLED
Environmental Site Investigation Services
Solicitation # WMARC-495
The County of Riverside, specifically the Department of Waste Resources, is soliciting proposals for professional Environmental Site Investigation services at the Cathedral City Landfill. The project involves three primary tasks: conducting historical research and developing a work plan for approval by the parties and the RWQCB-CRB, executing the field work to delineate contamination, and generating a final Site Investigation Report. Key deliverables include laboratory analysis of waste material, earthen material, and groundwater for a wide range of contaminants, including PFAS and RCRA metals. All analyses must be performed by a lab certified by the State Water Resources Control Board’s Environmental Laboratory Accreditation Program. The estimated period of performance is one year, with the option to renew for up to four additional one-year periods, though the final report must be completed within 24 months of the work plan's commencement. Proposals are due by November 4, 2026, at 1:30 P.M. Pacific Time. Evaluation is based on technical capability, project methodology, bidder experience, and overall cost. A 5% price preference is available for local or small businesses, who may be given the opportunity to match the lowest bid. Bidders must comply with California Labor Code prevailing wage requirements and provide proof of insurability. The submission must follow a strict format including sections A through N, with cost and financial statements submitted as separate files. Awarded contractors may also be required to sign a HIPAA Business Associate Addendum if applicable and must certify compliance with U.S. and California sanctions regarding Russia and the Iran Contracting Act.
Environmental Consulting Services

POSTED

7 days ago

DEADLINE

in 8 days
View Details
NAICS: 238220
SLED
County of Riverside Community Action Licensed General Contractors for Full-Service Weatherization Projects Under $220,000 Prequalification Packet - 2026
Solicitation # CAARC-0069
The County of Riverside Purchasing Department, on behalf of Community Action Partnership, is conducting an ongoing procurement process under RFQu CAARC-0069 to prequalify licensed general contractors for full-service weatherization projects under $220,000. Starting July 1, 2026, the program aims to provide comprehensive weatherization services throughout Western and Eastern Riverside County, with potential annual renewals through June 30, 2029. Funding is provided by LIHEAP, CDBG, and DOE programs including the Infrastructure Investment and Jobs Act and the Weatherization Assistance Program. The scope of work encompasses assessment and diagnostics, health and safety installations, appliance repairs, HVAC and mechanical services, and building envelope energy efficiency improvements. Prequalification is based on a scoring system where contractors must earn at least 31 points across weighted factors, including business and HVAC experience, staffing levels, and mobilization capacity. Pass/fail gates include a Letter of Good Standing and certifications regarding labor code eligibility and legal history. Required documentation includes a valid California State License Board license, DIR registration, a current letter of bondability, and specific insurance coverages, including $2 million in Commercial General Liability and $1 million in Business Auto Liability. Qualified vendors must submit their packets via PublicPurchase and email to the designated procurement specialists. Contractor employees may also be required to attend specialized weatherization training in Sacramento, funded by the Community Action Partnership.
Plumbing, Heating, and Air-Conditioning Contractors

POSTED

7 months ago

DEADLINE

in 2 months
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