CITY COUNCIL AGENDA ITEM
ACTION REQUESTED:
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Approve the award of Change Order #1 to Contract 23-255, Flow Meter Maintenance, Flow Data Analysis and SSO Alarming Services to ADS Environmental Services for an amount not to exceed $81,000 and a total award of $970,200
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DEPARTMENT: Water Utilities
SUBMITTED BY: Darrell Blenniss, Director
BOARD/COMMISSION REVIEW:
N/A
BACKGROUND:
The Water Utilities (Utilities) operates and maintains a large network of 35 wastewater flow monitors, 13 rain gauges, 18 sanitary sewer overflow alarms, and two river level monitoring gauges. These devices are used for developing Operation and Maintenance (O&M) and Capital Improvement programs for the wastewater collection system, billing of wastewater flows from the City of Warrenville, and wet weather planning to prevent wastewater backups and discharges. Also, these devices are the critical tool used in the Water Utilities’ Infiltration and Inflow Reduction Program required by the IEPA.
On February 6, 2024, the City Council awarded contract 23-255 to ADS Environmental Services for a three-year term from date of award through December 31, 2026, with two, 3-year options to extend. The purpose of the contract is to provide flow monitor maintenance services, data hosting services and analytical reporting services for these devices that are deployed throughout the sanitary sewer system. This contract also provides for installation of additional flow monitoring, level sensors and rain gauges to improve the Utilities’ ability to understand, manage, and predict how the wastewater collection system behaves - especially during wetweather events.
DISCUSSION:
During the original contract period, the Utilities installed an additional five wastewater flow meters, three river gauges, and one rain gauge to better identify future inflow and infiltration reduction targets and to continuously monitor the overall health and hydraulic performance of the wastewater collection system. Change Or...
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