Title
RFP No. 2022-148 - City of Mesquite Cooling Tower Replacement IFB Set.
(Staff recommends award to Infinity Contractors International, Ltd., and to authorize the City Manager to finalize and execute a contract in the amount of $628,190.00 for replacement of three, individual modular Tower Tech cooling towers at the Convention Center Central Utility Plant located at 1818 Rodeo Drive.)
Body
Name of Department
Administration/Facilities Maintenance
Sum of Bid/Bid Amount
$628,190.00
On April 30, 2012, the City acquired the Central Utility Plant (CUP) that provides chilled air to both the Mesquite Convention Center and Mesquite Arena. The CUP consists of three 500-ton, centrifugal chillers that use compression to chill water. Each chiller system transfers heat collected from the water circulated throughout the facilities to a closed water loop inside the CUP and the water is cooled by three evaporation cooling towers.
The CUP was installed by Texas Utilities Integrated Solutions, Inc., in 1998, so the equipment is 25 years old. While the chillers have an average service life cycle of 30 to 40 years if properly maintained, many of the other components, such as motors, pumps, fan coil units, air handler units, sensors, and cooling towers have shorter service lives. Last year, one of the three fiberglass cooling tower water basins ruptured but was repaired. This past summer, a second cooling tower basin ruptured beyond repair and a mobile cooling tower unit was brought in to maintain operations during the summer.
City staff engaged Halff Associates, Inc. to prepare mechanical, electrical and plumbing (MEP) design and structural specifications for a new cooling tower system, one that uses heavy-gauge galvanized steel towers rather than fiberglass which has a shorter service life. After the construction specifications and plans were completed by Halff, bid notices were broadcast through the Periscope Holdings electronic bidding system, posted on the City's websit...
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