Item 4F - MemoItem 4F
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M E M O R A N D U M
(June 6, 2023)
To: Shana Yelverton, City Manager
From: Rob Cohen, Director of Public Works
Subject: Approve an Engineering Services Agreement (ESA) with
Garver, LLC. for the Shady Lane and Lonesome Dove Lift
Stations Improvements in an amount not to exceed $310,000.
Action
Requested: Approve an Engineering Services Agreement (ESA) with Garver,
LLC. for the Shady Lane and Lonesome Dove Lift Stations
Improvements in an amount not to exceed $310,000.
Background
Information: The purpose of this project is to make utility improvements to the
Shady Lane and Lonesome Dove Lift Stations in accordance with
America’s Water Infrastructure Act and recommended in the 2018
Risk and Resilience Assessment.
In accordance with America’s Water Infrastructure Act (AWIA),
Freese and Nichols, Inc. completed a Risk and Resiliency
Assessment of the Lonesome Dove and Shady Lane Lift Stations in
2021. The AWIA reporting required a review of loss of power from
external threats, both manmade and natural hazards. One of the
most significant threats identified to the Lonesome Dove and Shady
Lane Lift Stations is the loss of power utilities. Both lift stations serve
as the two largest lift stations in Southlake, and their continued
operation is critical for the City to maintain service to approximately
2,000 customers.
In addition, assessment and upgrades of the Lonesome Dove Lift
Station are overdue. The Lonesome Dove Lift Station is almost 25
years old with original equipment. Shady Lane Lift Station is the
same age (1998) but underwent an assessment and overhaul in
2017. Given the facility's age, performing a condition assessment of
the Lonesome Dove Lift Station, especially the electrical and
mechanical components, will provide the City with an actionable plan
to ensure continued operations, reduce the risk of future failure, and
confirm regulatory compliance. An existing project is replacing the
regular pumps at each site on a three-year cycle. However, there are
no permanent backup pumps and generators at each location.
Item 4F
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This ESA includes design, bidding, and construction support
services for improvements to the Shady Lane and Lonesome Dove
Lift Stations. Improvements will include adding emergency pumps
with backup generators to the existing lift stations, minor electrical
improvements, and a Lonesome Dove lift station condition
assessment. Staff is requesting authorization for a total of $310,000,
which includes a $30,100 contingency for any additional services
that may be needed due to unforeseen conditions.
Financial
Considerations: Funding for the agreement is budgeted as part of the approved FY
2022 Capital Improvement Program. This award is within the project
budget.
Strategic Link: This item links to the City’s Strategy Map strategic focus area of
Infrastructure & Development. It specifically relates to the City’s
Objective, F2: Invest to Provide & Maintain High-Quality Public
Assets.
Citizen Input/
Board Review: None.
Legal
Review: The proposed agreement is a standard agreement that the City
Attorney has reviewed and approved.
Alternatives: The City Council may approve or deny the contract.
Staff
Recommendation: Approve an Engineering Services Agreement (ESA) with Garver,
LLC. for the Shady Lane and Lonesome Dove Lift Stations
Improvements in an amount not to exceed $310,000.
Supporting
Documents: Attachment A: Engineering Services Agreement
Staff
Contact: Rob Cohen, Director of Public Works
Kevin Ferrer, P.E., City Engineer
Bryan Ahumada, P.E., Civil Engineer