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File #: 25-6217    Version: 1
Type: Administrative Memorandum Status: Agenda Ready
File created: 12/5/2025 In control: Board of Directors
On agenda: 12/18/2025 Final action:
Title: Rowlett Creek Regional Wastewater Treatment Plant Peak Flow Management Improvements, Phase II; Project No. 301-0471-17; Construction Manager At-Risk Work Authorization No. 1
Indexes: .RWWS - Rowlett Creek WWTP, Amendment to CMAR Agreement - Partial Guranteed Maximum Price
Code sections: 301-0471-17 - Rowlett Ck WWTP Peak Flow Mgmt Improvements
Attachments: 1. Attachment A - Total Contract Price Summary, 2. Map
Date Ver.Action ByActionResultAction DetailsMeeting DetailsVideo
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Regional Wastewater System

title
Rowlett Creek Regional Wastewater Treatment Plant Peak Flow Management Improvements, Phase II; Project No. 301-0471-17; Construction Manager At-Risk Work Authorization No. 1
end

SUBJECT

recommendation
Authorize funding in the amount of $20,281,346 to Archer Western Construction, LLC, Construction Manager At-Risk (CMAR), for Work Authorization No. 1 for the Rowlett Creek Regional Wastewater Treatment Plant (RWWTP) Peak Flow Management Improvements, Phase II. This includes all associated CMAR fees, construction support costs and contingencies.
end

PURPOSE

The CMAR has submitted a Work Authorization No. 1 for the Train A Diffusers and Air Piping Improvements to meet anticipated loading demands and treatment capacity. Future amendments will be presented to the Board as remaining work authorization packages are developed, procured, and evaluated.

RECOMMENDATION

The Executive Director and NTMWD staff recommend the Board of Directors authorize the Executive Director to execute Work Authorization No. 1 to the Construction Manager At-Risk as follows:

CMAR:
Archer Western Construction, LLC (Archer Western)


Scope:
Construction, Rowlett Creek RWWTP Work Authorization No. 1


Project:

No. 301-0471-17, Rowlett Creek Regional Wastewater Treatment Plant Peak Flow Management Improvements, Phase II


Amount:
Work Authorization No. 1: $20,281,346


Committee:
This will be an item on the December 17, 2025, Wastewater Committee meeting agenda





DRIVER(S) FOR THIS PROJECT

Strategic Objective:
1.1: High Quality Services
1.4: Reliable and Resilient Systems

? Regulatory Compliance (Pre-emptive)
? Asset Condition
? Capacity
? Redundancy/Resiliency
? Relocation or External Requests
? Operational Efficiency
? Safety
? Administrative
? Policy
? Other _____________

BACKGROUND

PROJECT PURPOSE
* The Rowlett Creek Regional Wastewater Treatme...

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