Title
Proposed Change Order No. 2
Contract No. 1900134
Springwells Water Treatment Plant Low Lift Pump Suction Gate Replacement
CIP #114002 / BCE Score: 69.2
Body
Agenda of: August 24, 2022
Item No.: 2022-335
Amount: Original Contract $13,733,521.00
Change Order No. 1 825,978.00
Proposed Change Order No. 2 2,596,287.00
Total Revised Contract $17,155,786.00
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: Proposed Change Order No. 2
Contract No. 1900134
Springwells Water Treatment Plant Low Lift Pump Suction Gate Replacement
Vendor: Barton Malow Company
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. 1900134 Proposed Change Order No. 2 "Springwells Water Treatment Plant Low Lift Pump Suction Gate Replacement" with Barton Malow Company, at an increased cost of $2,596,287.00 for a total cost not to exceed $17,155,786.00 and an increased duration of 599 days for a total contract duration of 1,599 days; and authorizes the CEO to take such other action as may be necessary to accomplish the intent of this vote.
BACKGROUND
Contract No. 1900134, Springwells Water Treatment Plant (Springwells WTP) Low Lift Pump Suction Gate Replacement, is a design-build contract that involves replacing suction and discharge side isolation gates and appurtenances at the plant's low-lift pumping station. The majority of the construction work is being performed using underwater divers and because the work is adjacent to the inlets of the pumping units, the low lift pumping station requires shutdowns for safety reasons. As such, the construction work has been performed each night between approximately 9:30 p.m. and 4:0...
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