This Government Contract opportunity from California was posted on August 18, 2026. The submission period has ended. Browse the details below for market research, or find similar active opportunities.

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Mainline Civil Engineering Design

Closed

State & Local

Submission Closed09/10/2026, 07:00:00 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: 541330

New

Scattergood GS. Units 1&2 Green Hydrogen-Reaady Modernization

Solicitation # scattergood-gs-units-12-green-hydrogen-reaady-modernization

Kiewit Infrastructure West Co. is seeking sub-quotes for the Scattergood GS Units 1&2 Green Hydrogen-Ready Modernization project for the City of Los Angeles Department of Water and Power. The scope of work is extensive, encompassing professional and technical services such as civil, structural, mechanical, electrical, and instrumentation and controls engineering, as well as utility locating, potholing, geotechnical and geophysical investigations, LIDAR surveying, BIM/3D modeling, and environmental assessment and compliance. Additional requirements include hazardous materials surveys, permitting support, and CPM scheduling. The solicitation specifically encourages participation from certified Disadvantaged Business Enterprises, including MBE, WBE, and OBE firms. Interested bidders must contact Kiewit to receive an Invitation to Bid through the Building Connected system, with a bid deadline of September 11, 2026. To be considered responsive, firms must possess a valid California Contractor's license and provide acceptable insurance. Responsible subcontractors and material contractors are required to provide bonding for 100 percent of their contract value, though Kiewit will reimburse the bond premiums. Kiewit is a signatory to several collective bargaining agreements and requires bidders to demonstrate an ability to maintain labor harmony on the project. Plans and specifications are available for review at Kiewit's Costa Mesa, California office, and further inquiries should be directed to Lead Estimator Joe Bockelman.

Kiewit Infrastructure West Co.

POSTED

DEADLINE

Seeking Qualified Subconsultants for City of Bend’s Southwest Sewer Improvement Phase 3, Project No. 1SSW3

Solicitation # seeking-qualified-subconsultants-city-bends-southwest-sewer-improvement-phase-3-project-no-1ssw3

Water Systems Consulting, Inc. is seeking qualified subconsultants to assist with the Southwest Sewer Improvement Phase 3 project for the City of Bend, Oregon. The scope of work involves professional design services to address sewer system deficiencies, including the extension of gravity sewer mainlines, the decommissioning of existing pump stations, and the installation of service laterals for properties currently using onsite septic systems. The project may also encompass necessary transportation improvements. WSC is specifically looking for expertise in roadway and drainage engineering, surveying and mapping, right of way services, and public outreach. This project is funded by the Clean Water State Revolving Fund through the Oregon Department of Environmental Quality. The solicitation is open to various small business certifications, including DBE, WOSB, and SDVOSB, with a response deadline of September 29, 2026.

Water Systems Consulting, Inc.

POSTED

DEADLINE

SEEKING QUALIFIED SUBCONSULTANTS IN RIVERSIDE COUNTY/SOCAL TO SUPPORT WELL REPLACEMENT PROJECT WITH WATER DISTRICT

Solicitation # seeking-qualified-subconsultants-riverside-countysocal-support-well-replacement-project-water

GHD Inc. is soliciting qualified subconsultants to support the Corydon Well Replacement Design Project for the Elsinore Valley Municipal Water District in California. The project seeks expertise in engineering, environmental services, surveying, geotechnical analysis, permitting, public outreach, and utility location. This opportunity is specifically open to Disadvantaged, Small, Women-Owned, and Minority-Owned Business Enterprises, as well as other certified small business entities. Interested firms must contact Charlie Brown via email to submit a qualifications package and request solicitation documents. The deadline for initial contact is August 7, 2026, with a final deadline to receive solicitation documents by 5pm PST on Friday, August 14, 2026. Relevant NAICS codes for this engagement include 541330, 237110, and 541490, among others.

POSTED

DEADLINE

Subcontracting Opportunity: City of Bend’s Southwest Sewer Improvement Phase 3, Project No. 1SSW3

Solicitation # 27-3214

Parametrix is seeking qualified subconsultants to provide civil engineering design and right-of-way services for the City of Bend’s Southwest Sewer Improvement Phase 3, Project No. 1SSW3. The project aims to address sewer system deficiencies in southwest Bend by extending a gravity trunk sewer line to unsewered areas, decommissioning existing pump stations in the Romaine Village area, and installing service laterals to transition properties from private septic systems to public sewer. The scope may also include roadway reconstruction, ADA curb ramp and curb design, and minor transportation improvements such as turn lanes or mini roundabouts. The project is funded by the Clean Water State Revolving Fund administered through the Oregon Department of Environmental Quality, with a total design and construction budget of 3,875,000 dollars. The procurement process is managed by the City of Bend, with a proposal deadline of September 29, 2026. Selection is based on technical and administrative capabilities, with the potential for interviews to influence final scoring. Key deliverables include a preliminary engineering report, a public outreach plan, and construction contract documents at 30, 60, 90, and 100 percent completion, culminating in record drawings. The City intends to advertise for construction services in Fall or Winter 2027. Parametrix is actively soliciting firms with recognized federal, tribal, state, local, or independent DBE certifications as part of a good faith effort to include small, minority-owned, women-owned, and veteran-owned businesses.

POSTED

DEADLINE

Design / Engineering for Microgrid System and DC fast charger

Solicitation # PE-64458-NONST-2027-000000037

The City of Decatur is soliciting proposals from qualified vendors to provide turnkey services for the design, bid assistance, and construction administration of a microgrid system. This project, located at the Decatur Police Department at 420 West Trinity Place in Decatur, Georgia, involves the installation of a solar photovoltaic generation system, a battery energy storage system, and a DC fast charger. The solicitation, identified as PE-64458-NONST-2027-000000037, was posted on September 11, 2026, with a response deadline of October 13, 2026. The project start date will be established following the award and coordination with Georgia Power. Interested parties may contact David Junger for further information regarding this SLED organization opportunity.

POSTED

DEADLINE

Infrastructure - Request for Proposal - RFP FOR SITE AND GEOTECHNICAL INVESTIGATION CONSULTANT SERVICES FOR VARIOUS LOCATIONS – ELEVEN (11) SOUTH ALBERTA SCHOOL SITES

Solicitation # AB-2026-06239

The Infrastructure agency is seeking proposals from qualified consultants to provide site and geotechnical investigation services for eleven school sites located in South Alberta. This solicitation, identified as AB-2026-06239, focuses on essential land assessments and technical investigations to support the development of educational facilities in the Calgary region. Interested parties must submit their responses by the deadline of October 7, 2026, at 10:00 PM. The procurement process is being managed by Project Procurement Specialist Nkechi Nzewi, and further details regarding the submission process can be found through the official Alberta purchasing portal.

POSTED

DEADLINE

Civil/Roadway Engineering Design (100% Plans)

Department of Environmental Protection

POSTED

DEADLINE

Professional Services for Pensacola Bay Unpaved Roads Project

Solicitation # 2027002

The Department of Environmental Protection of Florida is seeking qualified vendors to provide professional services for the Pensacola Bay Unpaved Roads Project under solicitation number RFSOQ 2027002, which was posted on July 7, 2026, with a response deadline of August 11, 2026, at 7:00 PM Eastern Time. The work falls under NAICS code 70171503 and is classified as a state, local, or educational government procurement, with performance location specified within the state of Florida. Interested parties must submit their responses by the stated deadline, and failure to file a formal protest within the timeframe outlined in section 120.57(3) of the Florida Statutes or to post the required bond or security will result in the waiver of rights to pursue any administrative proceedings under Chapter 120. All inquiries and submissions should be directed to Sabina Flanagan at sabina.flanagan@FloridaDEP.gov or by phone at 850-245-2187. Additional details regarding technical and administrative requirements are contained within the full solicitation document accessible via the provided online portal.

Department of Environmental Protection

POSTED

DEADLINE

Engineering Services for the Mountain View Sanitary Pump Station Facility Rehabilitation

Solicitation # RFP 2417

The Township of Wayne, through its Division of Water and Sewer, is soliciting proposals from qualified professional engineering firms for the rehabilitation of the Mountain View Sewer Pump Station. The selected firm will be responsible for providing comprehensive design, bidding, and construction administration services to ensure the successful facility upgrade. This solicitation, identified as RFP 2417, was posted on September 11, 2026, with a response deadline of October 6, 2026, at 3:00 PM. Interested parties should direct inquiries to Nicole Lee, the Specifications Writer, via email or phone. The project is managed by the Purchasing Division of the Township of Wayne in New Jersey.

POSTED

DEADLINE

Specialized Technical Services (IT & Planning)

Navsup Flt Logistics Ctr Yokosuka

POSTED

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CryCam UV System Installation and Personnel Training

Brookhaven National Labor -Doe Contractor

POSTED

DEADLINE

Architectural & Engineering Design Services

Department Of Commerce Sspo

POSTED

about 14 hours ago

DEADLINE

in 10 days

AI Contract Overview

The Mainline Civil Engineering Design subcontract involves providing technical engineering design and cost estimation for water and sewer infrastructure projects for the Carmichael Water District in California. The selected provider will be responsible for developing comprehensive design drawings at the 30, 60, 90, and 100 percent stages, which include Plan and Profile sheets, Abandonment Plans, and Metered Services Lists. Additionally, the contractor must produce the Engineer's Opinion of Probable Construction Cost and deliver all final plan sets in digital ANSI D format. To qualify for this engagement, the contractor must possess a California Professional Engineer license and demonstrate proficiency in AutoCAD/Civil 3D. This opportunity is categorized under NAICS code 541330 and is located in Carmichael, California. Interested parties must submit their responses by the deadline of September 10, 2026.

General Info

Engineering design and cost estimation for Carmichael water and sewer infrastructure by September 2026.

Agency

California → Carmichael Water DistrictView Agency

NAICS

541330 - Engineering ServicesView NAICS

Place of Performance

Carmichael, CA, 95608, USA

Set-Aside

NONE

Documents

This scope was carved out of 20260818035.

The full solicitation package (1 document), including the RFP, is on the prime solicitation, not on this scope.

View the prime solicitation

Design For The Landis Avenue, Gunn Road, And Agelina Avenue Mainline Replacement Project

AI Contract Breakdown

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No contract breakdown available.

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Timeline

PhaseClosed

PostedAug 18

subcontract

Response DeadlineSep 10

Deadline has passed

Submission Closed

09/10/2026, 07:00:00 PM UTC

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Organization & Contact Information

AgencyCalifornia → Carmichael Water District

ContactsNo contacts available

OfficeN/A

Organization / Agency

California → Carmichael Water District

View Agency Profile

Office AddressN/A

ContactsNo contact information available

Full Description

Performs technical engineering design and cost estimation for prime contractors on water/sewer infrastructure projects for a California District. Develops 30%, 60%, 90%, and 100% design drawings including Plan and Profile sheets, Abandonment Plans, and Metered Services Lists. Produces Engineer's Opinion of Probable Construction Cost (EOPCC). Requires AutoCAD/Civil 3D and a California Professional Engineer (PE) license. Delivers digital ANSI D plan sets.

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