Sewer System
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Stewart Creek West Wastewater Treatment Plant Expansion to 15 MGD and Plant I Improvements; Project No. 309-0621-23 Engineering Services Agreement - Preliminary Engineering
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SUBJECT
recommendation
Authorize funding in the amount of $2,961,650 to Hazen and Sawyer for an engineering services agreement for preliminary design of the Stewart Creek West Wastewater Treatment Plant Expansion to 15 MGD and Plant I Improvements project.
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PURPOSE
The action will authorize preliminary engineering to expand the Stewart Creek West Wastewater Treatment Plant (WWTP) capacity by 5 million gallons per day (MGD) and improve the reliability and regain capacity of the existing Plant I to accommodate the growth in the City of Frisco service area.
RECOMMENDATION
The Executive Director and NTMWD staff recommend the Board of Directors authorize the Executive Director to execute an engineering services agreement (ESA) as follows:
Consultant: Hazen and Sawyer Scope: Preliminary Engineering
Project:
No. 309-0621-23 Stewart Creek West Wastewater Treatment Plant Expansion to 15 MGD and Plant I Improvements
Amount: $2,961,650 Committee: This will be an item on the October 21, 2026, Wastewater Committee meeting agenda
DRIVER(S) FOR THIS PROJECT
Strategic Objective: 1.4 Reliable and Resilient System Capacity
? Regulatory Compliance ? Asset Condition ? Capacity ? Redundancy/Resiliency ? Relocation or External Requests ? Operational Efficiency ? Safety ? Administrative ? Policy
? Other _____________
BACKGROUND
The Stewart Creek West WWTP, located in the City of Frisco, Texas, has a permitted capacity of 10 million gallons per day (MGD) annual average daily flow (AADF) and a 35 MGD peak 2- hour flow (P2HF). Stewart Creek West WWTP has two 5 MGD Plants. Plant I was built in 1992 and expanded in 1999, and Plant II was bult in 2015.
The City of Frisco has attracted several significant entertainment venues and business...
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