Title
Contract No. 1904231
Northeast Water Treatment Plant Flocculator Replacement
CIP# 112006 / BCE Score: 67.40
Body
Agenda of: November 18, 2021
Item No.: 2021-426
Amount: $12,699,000.00
TO: The Honorable
Board of Directors
Great Lakes Water Authority
FROM: Suzanne R. Coffey, P.E.
Interim Chief Executive Officer
Great Lakes Water Authority
DATE: November 3, 2021
RE: Contract No. 1904231
Northeast Water Treatment Plant Flocculator Replacement
Vendor: Commercial Contracting Corporation
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 Interim Chief Executive Officer (ICEO) to enter into Contract No. 1904231 "Northeast Water Treatment Plant Flocculator Replacement" with Commercial Contracting Corporation, at a cost not to exceed $12,699,000.00 for a duration of 1,879 days; and authorizes the ICEO to take such other action as may be necessary to accomplish the intent of this vote.
BACKGROUND
Contract No. 1904231 is a construction contract that involves the replacement of the flocculation system at the Northeast Water Treatment Plant (Northeast WTP). The Northeast WTP was constructed in 1956 and has a state-rated capacity of 190 million gallons per day (mgd). The existing flocculators are original to the plant, are no longer functional, and are beyond repair. Flocculation is an integral part of the major pretreatment processes, including coagulation, flocculation and sedimentation. The flocculation process allows the coagulated suspended solids to agglomerate into larger, settable particle masses that can then be effectively removed in the sedimentation basins. Without adequate flocculation, like at the Northeast WTP, a substantial amount of suspended solids and colloids will not settle and instead are loaded onto the downstream filters, which reduces filter runtime, efficiency and effectiveness. More import...
Click here for full text