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

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Civil Engineering Design for Pipeline Systems

Closed

State & Local

Submission Closed07/14/2026, 09:00:00 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

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Planning-Level Traffic and Revenue AnalystThis subcontract opportunity is for a Planning-Level Traffic and Revenue Analyst to support prime contractors on Orange County Transportation Authority projects in California. The selected party will conduct high-level assessments of transportation needs and revenue potential, focusing on modeling planning-level tollable demand and analyzing transit considerations along with access and egress. The scope of work requires the use of specialized traffic modeling software and revenue forecasting tools to deliver priority segment profiles and comprehensive summaries of operations, traffic, and revenue. The project falls under NAICS code 541330 and requires strict compliance with Level 1 HSE Specifications. Interested parties must submit their responses by the deadline of November 30, 2026. The primary objective is to provide the necessary data and analysis to determine expected operating benefits for critical transportation infrastructure.

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Orange County Managed Lanes Segment Advancement Study C265256

Solicitation # C265256

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Parking Facility Repair Design & DraftingThe Parking Facility Repair Design and Drafting subcontract is issued by the City of Pasadena Transportation Department for the preparation of technical drawings and specifications for parking projects. The selected contractor will be responsible for designing waterproofing and coating systems, calculating bid quantities, and developing detailed repair plans for isolated concrete damage utilizing CAD software. Key deliverables include the final repair drawings, technical specifications, and comprehensive bid quantity documents to support prime contractors. Qualified candidates must hold a valid California Licensed Professional Engineer certification to perform the work. This opportunity falls under NAICS code 541330 and was posted on October 27, 2026, with a response deadline of December 2, 2026.

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Parking Facility Structural Assessment ServicesThis subcontract for Parking Facility Structural Assessment Services supports the City of Pasadena Transportation Department by providing specialized structural evaluations and diagnostic testing for parking projects. The scope of work includes conducting corrosion analysis, water intrusion diagnostics, and Post-Tension system reviews for multi-level garages using advanced diagnostic tools. The selected provider must employ a California Licensed Professional Engineer to ensure all technical standards are met. The primary deliverables consist of detailed condition assessment reports that incorporate cost models and prioritization matrices to guide future repairs. Interested parties must submit their responses by December 2, 2026, under NAICS code 541330.

Transportation Department

POSTED

about 15 hours ago

DEADLINE

in about 1 month

AI Contract Overview

The West Basin Municipal Water District is seeking a subcontractor for the Civil Engineering Design for Pipeline Systems project located in Carson, California. This contract focuses on the comprehensive design of water and wastewater pipelines, encompassing critical technical elements such as alignment, grading, and trenching, as well as the integration of new systems with existing infrastructure. Additionally, the scope of work includes site civil engineering and the implementation of erosion control measures. Interested parties must submit their responses by July 14, 2026. The project falls under NAICS code 541330 and was officially posted on June 17, 2026.

General Info

Civil engineering subcontractor for pipeline design in Carson, CA. Deadline July 14, 2026.

Agency

California → WEST BASIN MUNICIPAL WATER DISTRICT

NAICS

541330 - Engineering Services

Place of Performance

Carson, CA, 90746, USA

Set-Aside

NONE

Documents

This scope was carved out of RFP-TH-0128.

The full solicitation package (2 documents), including the RFP, is on the prime solicitation, not on this scope.

View the prime solicitation

ON-CALL PROFESSIONAL ENGINEERING SERVICES

AI Contract Breakdown

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Timeline

PhaseClosed

PostedJun 17

subcontract

Response DeadlineJul 14

Deadline has passed

Submission Closed

07/14/2026, 09:00:00 PM UTC

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Organization & Contact Information

AgencyCalifornia → WEST BASIN MUNICIPAL WATER DISTRICT

ContactsNo contacts available

OfficeN/A

Organization / AgencyCalifornia → WEST BASIN MUNICIPAL WATER DISTRICT

Office AddressN/A

ContactsNo contact information available

Full Description

Design of water and wastewater pipelines including alignment, grading, trenching, and integration with existing infrastructure. Includes site civil work and erosion control.