Title
Proposed Amendment No. 1
Contract No. 2303968/SCN-0000352
96-Inch Water Transmission Main Relocation Project - 84-Inch Triple Offset Ball Valve Procurement
CIP #122004 / BCE Score: 77.50
Body
Agenda of: May 27, 2026
Item No.: 2026-168
Amount: Original Amount $3,240,588.46
Proposed Amendment No. 1 0.00
Total Contract Amount $3,240,588.46
TO: The Honorable
Board of Directors
Great Lakes Water Authority
FROM: Suzanne R. Coffey, P.E.
Chief Executive Officer
Great Lakes Water Authority
DATE: April 28, 2026
RE: Proposed Amendment No. 1
Contract No. 2303968/SCN-0000352
96-Inch Water Transmission Main Relocation Project - 84-Inch Triple Offset Ball Valve Procurement
Vendor: Cascade Consultants, LLC
Status: Amendment/Change Order
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. 2303968/SCN-000352, Proposed Amendment No. 1, "96-Inch Water Transmission Main Relocation Project - 84-Inch Triple Offset Ball Valve Procurement" with Cascade Consultants, LLC, with no increase in cost for a total cost not to exceed $3,240,588.46 and an increased duration of 730 days for a total duration of 1,460 days; and authorizes the CEO to take such other action as may be necessary to accomplish the intent of this vote.
BACKGROUND
The existing 96-inch water transmission main (WTM) is part of GLWA's overall drinking water transmission main system that interconnects the Lake Huron Water Treatment Plant with the Northeast and Springwells water treatment plants through the North Service Center Pumping Station. The existing 96-inch WTM was constructed in the mid-1960s and was placed into service in December 1967. Part of the original construction of the 96-inch WTM was a section within Shelby Township that was installed within the influence of the G&H I...
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