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ITEM 34
City Council Memorandum Public Works & Utilities Memo No.
UA22-018
Date:
August 23, 2021
To:
Mayor and Council
Thru:
Joshua H. Wright, City Manager
Debra Stapleton, Assistant City Manager
John Knudson, Public Works and Utilities Director
From:
Paul Roy, Utility Operations Manager
Subject:
Purchase of Refrigerated Liquid Carbon Dioxide
Proposed Motion:
Move City Council approve the purchase of refrigerated liquid carbon dioxide, from Reliant Gases, Ltd., utilizing City of Glendale Contract No. C20-0792, in an amount not to exceed $234,000, and authorize the City Manager or designee to sign a linking agreement with Reliant Gases, Ltd.
Background/Discussion:
The Pecos Surface Water Treatment Plant (SWTP), located at 1475 East Pecos Road, provides potable water to over 275,000 City of Chandler residents, businesses, and industrial customers. The Pecos SWTP utilizes a number of treatment systems, filters, and chemicals to provide the treatment necessary for clean and safe drinking water. One of those treatment systems uses liquid carbon dioxide (CO2) to properly condition the water for further treatment.
The Ocotillo Brine Reduction Facility (OBRF), located at 3737 S. Price Road, treats up to 2.75 million gallons of industrial water daily. Part of the elaborate treatment process also utilizes liquid CO2 to adjust the water condition as it passes through the remainder of the treatment process. The cost of liquid CO2 used by the OBRF will be reimbursed by Intel.
Evaluation:
The City of Glendale competitively solicited and awarded a contract for refrigerated liquid carbon dioxide. The City has a current Intergovernmental Agreement with the City of Glendale allowing for the cooperative use of the City of Glendale's contracts. The term of the City of Glendale contract is valid through September 30, 2022.
Fiscal Impact
Account No.
Fund Name
Program Name
Dollar Amount
CIP Funded Y/N
605.3830.5318.0.0
Water Operating, Water Treatment
Chemicals
$204,750
N
616.3930.5318.0.0
WW Ind Treatment, OBRF
Chemicals
$29,250
N
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