Regional Water System
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Wylie Water Treatment Plant Raw Water Pump Station No. 4; Project No. 101-0647-24; Additional Engineering Services Agreement
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SUBJECT
recommendation
Authorize funding in the amount of $4,873,800 to Arcadis U.S., Inc. for additional engineering services for preliminary design of the Wylie Water Treatment Plant (WTP) Raw Water Pump Station No. 4.
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PURPOSE
The purpose of this project is the preliminary design of a new 350 million gallons per day (MGD) raw water pump station on a site along the Lavon Lake shoreline, as recommended in the feasibility study report. The pump station shall access supply water down to an elevation of 451 feet (ft) mean sea level (MSL), which is below the dead pool elevation of 453 ft MSL, ensuring full access to the conservation storage at Lavon Lake.
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:
Arcadis U.S., Inc.
Scope:
Additional Engineering Services - Preliminary Engineering Design
Project:
No. 101-0647-24; Wylie Water Treatment Plant Raw Water Pump Station No. 4
Amount:
$4,873,800
Committee:
This will be an item on the October 22, 2025, Water Committee meeting agenda
DRIVER(S) FOR THIS PROJECT
Strategic Objective:
1.2: Successfully Deliver Capital Program,
1.4: Reliable and Resilient Systems
? Regulatory Compliance
? Asset Condition
? Capacity
? Redundancy/Resiliency
? Relocation or External Requests
? Operational Efficiency
? Safety
? Administrative
? Policy
? Other _____________
BACKGROUND
PROJECT PURPOSE
Lavon Lake is the original source of water supply for the Wylie Water Treatment Plant (WTP) complex. Currently, three raw water pump stations draw from the Lavon Lake and serve the Wylie WTP complex. The current pump stati...
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