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ITEM 17
City Council Memorandum Public Works & Utilities Memo No. CP24-148
Date:
May 23, 2024
To:
Mayor and Council
Thru:
Joshua H. Wright, City Manager
Andy Bass, Deputy City Manager
John Knudson, Public Works and Utilities Director
Daniel Haskins, Capital Projects Division Manager
From:
Sandra Story, Engineering Project Manager
Subject:
Construction Agreement No. WA1903.401 & WA1908.401, Change Order No. 6, with Achen-Gardner Construction, LLC, for the Arrowhead Water Production Facility Rehabilitation and Pecos Surface Water Treatment Plant Surge System
Proposed Motion:
Move City Council award Construction Agreement No. WA1903.401 & WA1908.401, Change Order No.6, to Achen-Gardner Construction, LLC, in the amount of $353,512.43.
Background/Discussion:
On April 22, 2021, City Council awarded Construction Agreement No. WA1903.401 & WA1908.401 to Achen-Gardner Construction, LLC. This project is a continuation of the Public Works & Utilities Department’s ongoing initiative to modernize and rehabilitate the city’s older water production facilities. The Arrowhead Water Production Facility (WPF), located at 426 N. Arrowhead Drive, was constructed in 1988 to support water needs in the city. Inspections identified the need to replace the existing pumps and corroded pump cans and piping, improve the facility building, and upgrade the electrical system. These improvements are necessary for the facility to reliably provide water service to the surrounding vicinity.
Change Order No. 6 is to remedy unforeseen conditions discovered while rehabilitating the Arrowhead WPF, including a leak discovered during the commissioning of the renovated Arrowhead WPF. Efforts include the investigation and determination of the leak’s source, the repair of the leaking suction line, and the repair of discovered reservoir floor cracks. An additional 300 calendar days have been added to final completion, following the Notice To Proceed.
Evaluation:
Staff reviewed the scope of work, billing rates, and total fee for the Change Order No. 6 and determined them to be reasonable.
Financial Implications:
Change Order No. 6 is in the amount of $353,512.43. The revised agreement amount, including Change Order No. 6, is not to exceed $7,204,512.43.
Fiscal Impact
Account No.
Fund Name
Program Name
Dollar Amount
CIP Funded Y/N
601.3820.6718.6WA230
Water Bond
Water Production Facility Improveme
$353,512.43
Y
Attachments
Location Map
Change Order - Achen-Gardner
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