Title
Proposed Change Order No. 4
Contract No. GLWA-CON-170
Sludge Removal and Disposal Services at Northeast, Southwest and Springwells Water Treatment Plants
O&M
Body
Agenda of: February 28, 2024
Item No.: 2024-041
Amount: Original Contract $15,298,560.00
Change Order No. 1 3,500,000.00
Change Order No. 2 2,500,000.00
Change Order No. 3 19,608,960.00
Proposed Change Order No. 4 12,314,800.00
Total Revised Contract $53,222,320.00
TO: The Honorable
Board of Directors
Great Lakes Water Authority
FROM: Suzanne R. Coffey, P.E.
Chief Executive Officer
Great Lakes Water Authority
DATE: January 30, 2024
RE: Proposed Change Order No. 4
Contract No. GLWA-CON-170
Sludge Removal and Disposal Services at Northeast, Southwest and Springwells Water Treatment Plants
Vendor: Mobile Dredging and Video Pipe, 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. GLWA-CON-170, Proposed Change Order No. 4, "Sludge Removal and Disposal Services at Northeast, Southwest and Springwells Water Treatment Plants" with Mobile Dredging and Video Pipe, Inc., at an increased cost of $12,314,800.00 for a total cost not to exceed $53,222,320.00 and an increased duration of one (1) year and six (6) months for a total duration of seven (7) years and nine (9) months; and authorizes the CEO to take such other action as may be necessary to accomplish the intent of this vote.
BACKGROUND
Alum sludge is a byproduct of water production which accumulates in the sedimentation basins and flocculation chambers of GLWA water treatment plants (WTP). Prior to 2013, residual alum sludge from the WTPs was discharged directly to the sewer. In May of 2013, the National Pollutant Discharge Elimination System (NPDES) Permit No. MI0022802...
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