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ITEM 23
City Council Memorandum Public Works & Utilities Memo No. CP22-121
Date:
February 24, 2022
To:
Mayor and Council
Thru:
Joshua H. Wright, City Manager
Andy Bass, Deputy City Manager
John Knudson, Public Works and Utilities Director
Andrew Goh, Capital Projects Manager
From:
Melanie Sikes, Engineering Project Manager
Subject:
Construction Manager at Risk Contract No. WW2111.401 - GMP1, with Achen-Gardner Construction, LLC, for the Chandler Heights Road Utility Relocations
Proposed Motion:
Move City Council award Construction Manager at Risk Contract No. WW2111.401 - GMP1 to Achen-Gardner Construction, LLC, for the Chandler Heights Road Utility Relocations, in an amount not to exceed $1,371,579.28.
Background/Discussion:
On June 24, 2021, City Council adopted Resolution No. 5496, authorizing an agreement with Salt River Project (SRP) for the undergrounding of a 230-kilovolt transmission system in southwest Chandler to support future power needs in the area. Prior to SRP’s work, the City will move existing City-owned wastewater, reclaimed water, and potable water to clear an alignment for the proposed electrical duct banks. The wastewater and potable water utility relocations will occur on Chaparral Drive from Dobson Road to Lake Drive.
The project scope of work consists of relocation of sanitary sewer and potable water infrastructure, traffic control, bypass pumping, and surface restoration. The contract completion time is 90 calendar days following Notice to Proceed. This is the first of three related Construction Contracts with Achen-Gardner Construction, LLC, for the Chandler Heights Road Utility Relocations.
A related Professional Services Agreement with Wilson Engineers, LLC, for the Chandler Heights Road Utility Relocations Post Design Services, is also scheduled for this City Council meeting.
A related Professional Services Agreement with Dibble CM, LLC, for the Chandler Heights Road Utility Relocations Construction Management Services, is also scheduled for this City Council meeting.
Evaluation:
The selection process was followed in accordance with City policy and procedure and State law. Staff recommends contract award to Achen-Gardner Construction, LLC, based on qualifications, relevant firm experience, team experience, project understanding, and project approach. Staff reviewed the Guaranteed Maximum Price proposal and determined it to be reasonable.
Fiscal Impact
Account No.
Fund Name
Program Name
Dollar Amount
CIP Funded Y/N
615.3910.6813.6WW688
Wastewater Operating
Utility Line Relocation
$960,105.50
Y
605.3820.6714.6WA688
Water Operating
Utility Line Relocation
$411,473.78
Y
Attachments
Location Map
Contract - Achen Gardner
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