This Government Contract opportunity from Ohio was posted on July 21, 2025. The submission period has ended. Browse the details below for market research, or find similar active opportunities.

Top

Hydraulic Modeling of Complex Overflow Structures

Closed

State & Local

Submission Closed08/26/2025, 12:00:00 AM 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

Pure Water Southern California Direct Potable Reuse Testing Facility

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

Kiewit Infrastructure West Co. is seeking proposals for the Pure Water Southern California Direct Potable Reuse Testing Facility project located in California. This solicitation 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 Aria, to submit their responses and obtain further solicitation details.

Kiewit Infrastructure West Co.

POSTED

DEADLINE

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 DBE and SBE sub-consultants and suppliers to provide professional services for the Inland Empire Utilities Agency across 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. This opportunity is targeted toward firms specializing in administrative management, engineering services, computer systems design, and public relations documentation. Interested parties must submit their responses by November 17, 2026. The project falls under several NAICS codes, including 541611, 541330, 541512, and 541820. Primary coordination for this solicitation is handled by Liz Jordan-Wettstein at Aanko Technologies Inc.

Aanko Technologies Inc.

POSTED

DEADLINE

TSA DTSS and TSII Re-Competition

Solicitation # TSA25-04-0641

POSTED

DEADLINE

MN FERGUS FALLS WMD PRKING REHAB

Solicitation # 140FF027R0006

Solicitation 140FF027R0006 is a combined, firm-fixed-price request for Architect-Engineer services to design a parking lot and associated infrastructure at the Fergus Falls Wildlife Management District in Minnesota. The scope of work includes the design of a headquarters parking lot, an overflow parking lot, a maintenance building access roadway, and a maintenance building laydown area with a gravel access road. This project is a total small business set-aside under NAICS code 541330. The anticipated period of performance is four months from award, with specific deliverables scheduled between November 16, 2026, and March 19, 2027. In accordance with the Brooks Architect-Engineers Act and FAR Subpart 36.6, selection is based on demonstrated competence and qualifications rather than price. Evaluation factors include a technical write-up limited to five pages and evidence of three similar projects completed or in progress within the last five years. Proposals must be submitted by November 10, 2026, and include a completed bid schedule with the firm's SAM.gov UEI code. Awarded contractors must provide proof of insurance and any required performance and payment bonds, with all invoicing processed electronically through the U.S. Department of the Treasury's Invoice Processing Platform.

Fws Contracting Activity

POSTED

DEADLINE

Geotechnical Instrumentation and MonitoringThis subcontract opportunity with Cleary Construction, Inc. involves providing geotechnical monitoring and instrumentation services for municipal sewer improvement projects. The selected contractor will be responsible for ensuring ground stability by installing and managing geotechnical sensors, inclinometers, and settlement markers to track soil and ground movement. A critical requirement for this engagement is that all reporting must be completed by a Professional Engineer (PE). The project is designated as a small business set-aside, welcoming applications from SBA certified Veteran Owned, Service-Disabled Veteran Owned, Women-Owned, and HUBZone small businesses. Interested parties must submit their responses by December 4, 2026, under NAICS code 541330. The primary deliverables include the provision of detailed instrumentation data and comprehensive monitoring reports.

Cleary Construction, Inc. Cleary Construction, Inc

POSTED

DEADLINE

Planning-Level Concept Exhibit & Feasibility SpecialistThis subcontract opportunity is for a Planning-Level Concept Exhibit and Feasibility Specialist to support prime contractors on Orange County Transportation Authority projects. The selected provider will be responsible for developing preliminary project definitions and visual concept exhibits, framing the purpose and need of projects, and identifying operational and physical constraints. Technical requirements include the use of CAD software and GIS, with a strict mandate to comply with Level 1 HSE Specifications. Key deliverables for this engagement include concept exhibits, priority segment profiles, and implementation readiness summaries. The solicitation was posted on October 27, 2026, with a response deadline of November 30, 2026. This role falls under NAICS code 541330 and is managed through the Planning and Analysis division in California.

Planning-Planning & Analysis

POSTED

DEADLINE

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.

Planning-Planning & Analysis

POSTED

DEADLINE

Managed Lanes Planning and Segment Screening SpecialistThis subcontract opportunity is for a Managed Lanes Planning and Segment Screening Specialist to support prime contractors on Orange County Transportation Authority projects. The selected provider will be responsible for performing technical analysis, inventorying existing and planned managed lane facilities, and developing risk-based screening methodologies to recommend priority segments. Key deliverables include segment inventories, detailed maps created with GIS software, and editable screening workbooks. The project falls under NAICS code 541330 and requires strict compliance with Level 1 HSE Specifications. Interested parties must submit their responses by November 30, 2026, to support the Planning and Analysis division within the state of California.

Planning-Planning & Analysis

POSTED

DEADLINE

Orange County Managed Lanes Segment Advancement Study C265256

Solicitation # C265256

The Orange County Transportation Authority is soliciting professional services for the Orange County Managed Lanes Segment Advancement Study, a project with an estimated budget of 350,000 dollars and a duration of 18 months. The primary objective of the study is to evaluate existing, planned, and potential managed lane facilities to identify priority segments ready to advance into the Project Initiation Document phase. The work is structured into four key tasks: project management and coordination, segment inventory and screening, priority segment advancement assessment for up to two segments, and the delivery of a final study report with technical appendices. This is a firm fixed price contract requiring the consultant to provide designated key personnel and adhere to Level 1 Health, Safety, and Environmental specifications, including compliance with CCR Title 8. Invoicing occurs on a monthly basis, with payments remitted within 30 calendar days of approval, and final acceptance is contingent upon the release of retention. Proposals must be submitted electronically via the OpenGov portal by November 30, 2026, and must include a detailed cost proposal across the four specified tasks. Consultants are also required to disclose any conflicts of interest and may be required to file Statements of Economic Interest.

Planning-Planning & Analysis

POSTED

DEADLINE

Construction Phase Oversight & InspectionThis subcontract for Construction Phase Oversight and Inspection supports the City of Pasadena Transportation Department on various parking projects. The selected provider will offer field observation and administrative assistance to prime contractors, focusing on the verification of installed quantities, the review of change orders and RFIs, and the evaluation of waterproofing and coating surface preparations. Essential deliverables include verified quantity logs and final inspection reports, all managed through field inspection tools and documentation software. Qualified candidates must hold a Professional Engineer license or be a Certified Construction Inspector. The solicitation is categorized under NAICS code 541330 and was posted on October 27, 2026, with a response deadline of December 2, 2026.

Transportation Department

POSTED

DEADLINE

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.

Transportation Department

POSTED

DEADLINE

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

This subcontract opportunity, titled Hydraulic Modeling of Complex Overflow Structures, is issued by the Cincinnati Department of Sewers in Ohio. The project requires the performance of detailed hydraulic modeling for Combined Sewer Overflow, Sanitary Sewer Overflow, and Public Sewer Overflow structures within the MSD wastewater system. Key technical requirements include conducting tributary area analysis, flow routing, and comprehensive system performance evaluations. The solicitation was posted on July 21, 2025, with a response deadline of August 26, 2025. The work falls under NAICS code 541330 for engineering services. Interested parties can find further information and submission details through the city of Cincinnati's vendor self-service portal.

General Info

Agency

Ohio → Cincinnati Department of Sewers

NAICS

541330 - Engineering Services

Place of Performance

OH, USA

Set-Aside

NONE

Documents

This scope was carved out of 255x901067.

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

View the prime solicitation

CSO, SSO, and PSO Modeling Support

AI Contract Breakdown

Uniform Contract Format

No documents to break down

The breakdown needs solicitation documents. None were found from this contract's source.

Timeline

PhaseClosed

PostedJul 21

subcontract

Response DeadlineAug 26

Deadline has passed

Submission Closed

08/26/2025, 12:00:00 AM UTC

Find active opportunities like this

Get full access to discover similar active contracts, track opportunities, and build proposals with AI assistance.

Organization & Contact Information

AgencyOhio → Cincinnati Department of Sewers

ContactsNo contacts available

OfficeN/A

Organization / AgencyOhio → Cincinnati Department of Sewers

Office AddressN/A

ContactsNo contact information available

Full Description

Perform detailed hydraulic modeling of CSO, SSO, and PSO structures, including tributary area analysis, flow routing, and system performance evaluation for the MSD wastewater system.