This Government Contract opportunity from California was posted on July 28, 2026. The submission period has ended. Browse the details below for market research, or find similar active opportunities.

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Water Quality Modeling and Calibration

Closed

State & Local

Submission Closed08/17/2026, 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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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.

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Transportation Planning and Public EngagementThis subcontract for the City of Fayetteville focuses on transportation planning and public engagement. The selected provider will support prime contractors by facilitating community outreach, conducting public workshops, and coordinating directly with the Georgia Department of Transportation. The primary objective is to integrate technical traffic and walkability data into a comprehensive plan, culminating in the delivery of a Final Comprehensive Transportation and Walkability Study Report. Qualified candidates must hold professional planner certification to perform these services under NAICS code 541330. The solicitation was posted on October 28, 2026, with a response deadline of December 3, 2026.

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Walkability and Pedestrian Infrastructure StudyThe Walkability and Pedestrian Infrastructure Study is a subcontract opportunity for the City of Fayetteville in Georgia. The selected contractor will support prime contractors on transportation projects by performing comprehensive walkability studies, which include pedestrian audits, sidewalk condition assessments, and ADA compliance evaluations for ramps and crosswalks. The scope of work requires the use of GIS mapping software to analyze connectivity and pedestrian desire lines, culminating in the delivery of a formal walkability study report and a detailed pedestrian improvement plan. Qualified candidates must hold an AICP or equivalent urban planning certification. This opportunity was posted on October 28, 2026, with a response deadline of December 3, 2026. The project falls under NAICS code 541330, focusing on engineering services to enhance the city's pedestrian infrastructure.

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Traffic Engineering and Intersection AnalysisThis subcontract for Traffic Engineering and Intersection Analysis involves providing technical traffic engineering services for prime contractors on City of Fayetteville transportation projects. The scope of work focuses on the SR 54 and SR 85 intersection, where the contractor will conduct traffic volume and turning movement counts, analyze intersection level of service and delay, and evaluate traffic patterns to identify potential safety hazards. The final deliverables include a comprehensive traffic analysis report and a set of technical recommendations. To be eligible, the contractor must possess a Professional Engineer license in the state of Georgia and have access to specialized intersection modeling software. This opportunity falls under NAICS code 541330 and has a response deadline of December 3, 2026.

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RFQ PZ740-01: SR54/SR85 Downtown Traffic Engineering and Walkability Study

Solicitation # PZ740-01

The City of Fayetteville, Georgia, has issued Request for Qualifications RFQ Item PZ740-01 to engage professional engineering and transportation planning firms for a traffic engineering and walkability study. The scope of work focuses on State Route 54 within downtown Fayetteville, specifically including its intersection with State Route 85. This solicitation is managed by the City of Fayetteville as a SLED organization, with Tina Rich serving as the designated contact for the project. Interested respondents must register as a supplier on the Euna Procurement platform to access documents and submit their Statements of Qualifications electronically. The deadline for submitting questions is Thursday, November 19, 2026, at 4:00 P.M., and the final RFQ response is due by Thursday, December 3, 2026, at 2:00 P.M. The City Council maintains the right to reject any proposals or waive formalities associated with the selection process.

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Water Distribution Hydraulic Modeling and CalibrationThis subcontract involves the technical development and calibration of a water distribution hydraulic model for the City of Albany, Georgia Water Department. The selected provider will be responsible for creating a calibrated model encompassing 4,000 hydrants and 700 miles of mains to analyze pumping, storage, fire flow, and pressures while identifying existing hydraulic deficiencies. The final deliverables include a fully calibrated model and comprehensive capital improvement plans. Qualified candidates must hold a Professional Engineer license and demonstrate proficiency in industry-standard software such as EPANET, InfoWater, or WaterGEMS. This opportunity is categorized under NAICS code 541330, with a response deadline set for November 23, 2026.

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RFP #27-035 Hydraulic Modeling & system Analysis Program

Solicitation # 27-035

The City of Albany, Georgia, is soliciting competitive sealed proposals under RFP #27-035 for a qualified firm to develop and implement a comprehensive hydraulic modeling and system analysis program for its water distribution system. The primary objective is to create a fully functional model that the City can maintain internally for operations, planning, and emergency response without ongoing consultant reliance. The scope includes system analysis for pressures, fire flow, storage, pumping, outages, future growth, and capital improvement planning. To ensure platform independence, the final model must be delivered in its native software format as well as an EPANET-compatible format. Proposals must be submitted by 5:00 PM on November 23, 2026, to the Procurement Division in Albany, Georgia. Submissions must include one original and six copies on company letterhead, signed by an authorized official, and accompanied by a Certificate of Non-Collusion, a Governing Law and Venue form, and an Addendum Acknowledgement Form. Award will be based on a weighted evaluation of experience and qualifications (35%), project approach and understanding (30%), references and portfolio (25%), and a detailed fee proposal (10%). The selected contractor must maintain liability insurance of at least $1,000,000 per occurrence and $2,000,000 annual aggregate, as well as workers compensation and employers liability of at least $1,000,000. Compliance with the Georgia Security and Immigration Compliance Act and the Federal Work Authorization Program is required. Payment terms are Net 30, and the contract is subject to multi-year contract clauses pursuant to OCGA 36-60-13. All equipment provided must be the latest model and composed of new parts, with the City reserving the right to reject any materials that do not meet specifications.

City of Albany

POSTED

about 6 hours ago

DEADLINE

in 26 days

AI Contract Overview

The City of Glendale, California through Glendale Water & Power is seeking a subcontractor to develop and calibrate a hydraulic and water quality model for its potable water distribution system using MSX modeling techniques. The primary objective is to accurately simulate the behavior of chlorine and chloramine residuals across varying demand conditions, ensuring compliance with regulatory standards and optimal disinfection levels throughout the network. The model must account for spatial and temporal variations in water usage, pipe aging, residence times, and chemical decay rates to provide reliable predictions under both normal and peak load scenarios. The contract requires detailed calibration against field data collected from the system, with a focus on achieving high accuracy in residual concentration forecasts. The work must be performed to support operational decision-making, system optimization, and public health protection. The solicitation was posted on July 28, 2026, with a response deadline of August 17, 2026. The NAICS code 541330 indicates this is a professional, scientific, and technical services contract, specifically for environmental consulting. Performance is expected to be centered in Glendale, California, with the subcontractor responsible for delivering a fully validated model and supporting documentation.

General Info

Subcontractor to develop and calibrate MSX model for Glendale’s water distribution system to predict chlorine and chloramine residuals.

Agency

City Of Glendale, California Glendale Water & Power

NAICS

541330 - Engineering Services

Place of Performance

Glendale, CA, 91206, USA

Set-Aside

NONE

Documents

This scope was carved out of 20260727028.

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

View the prime solicitation

Water Quality Model Development And Analysis

AI Contract Breakdown

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Timeline

PhaseClosed

PostedJul 28

subcontract

Response DeadlineAug 17

Deadline has passed

Submission Closed

08/17/2026, 09:00:00 PM UTC

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Organization & Contact Information

AgencyCity Of Glendale, California Glendale Water & Power

ContactsNo contacts available

OfficeN/A

Organization / AgencyCity Of Glendale, California Glendale Water & Power

Office AddressN/A

ContactsNo contact information available

Full Description

Develop and calibrate a hydraulic and water quality model for Glendale's potable water system using MSX techniques to simulate chlorine and chloramine residuals under varying demand conditions.