Title
Contract No. 2201142
Conveyance System Infrastructure Improvements: Sewer In-System Storage and Valve Remote Improvements
CIP #260701 / BCE Score: 60.1
Body
Agenda of: August 24, 2022
Item No.: 2022-341
Amount: $15,943,539.92
TO: The Honorable
Board of Directors
Great Lakes Water Authority
FROM: Suzanne R. Coffey, P.E.
Chief Executive Officer
Great Lakes Water Authority
DATE: July 29, 2022
RE: Contract No. 2201142
Conveyance System Infrastructure Improvements: Sewer In-System Storage and Valve Remote Improvements
Vendor: LGC Global, Inc.
MOTION
Upon recommendation of Cheryl Porter, Chief Operating Officer - Water and Field Services, the Board of Directors (Board) of the Great Lakes Water Authority (GLWA), authorizes the Chief Executive Officer (CEO) to enter into Contract No. 2201142 "Conveyance System Infrastructure Improvements: Sewer In-System Storage and Valve Remote Improvements" with LGC Global, Inc., at a cost not to exceed $15,943,539.92 for a duration of 791 days; and authorizes the CEO to take such other action as may be necessary to accomplish the intent of this vote.
BACKGROUND
GLWA is responsible for the operation and maintenance of 16 In-System Storage Devices (ISDs) and 20 Valve Remote (VR) sites, and over 60 regulator/diversion sites. Each of these sites are critical to the operation and maintenance of GLWA's wastewater network. Contract No. 2201142 includes improvements to 35 sites which includes the 16 ISD locations and 11 of the 20 VR sites, and rehabilitation to 8 regulator/diversion chamber sites. The ISD sites are comprised of inflatable dams that are naturally in a deflated state but can be inflated during times of elevated flow to utilize GLWA's in-system storage and reduce CSOs. Typically, these devices are operated for smaller storms that produce peak flows less than the downstream regulator and/or existing sewer capacities.
Each ISD site is comprised of a control vault or building that house blower pumps,...
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