Title
Contract No. 2002190
Rehabilitation of Ferric Chloride Feed System and Sludge Lines
CIP#211008/BCE Score 74.2
Body
Agenda of: March 24, 2021
Item No.: 2021-086
Amount: $9,839,000.00
TO: The Honorable
Board of Directors
Great Lakes Water Authority
FROM: Sue F. McCormick
Chief Executive Officer
Great Lakes Water Authority
DATE: February 26, 2021
RE: Contract No. 2002190
Rehabilitation of Ferric Chloride Feed System and Sludge Lines
Vendor: Weiss Construction Group, LLC
MOTION
Upon recommendation of Navid Mehram, Chief Operating Officer - Wastewater Operating Services, the Board of Directors (Board) of the Great Lakes Water Authority (GLWA), authorizes the Chief Executive Officer (CEO) to enter into Contract No. 2002190, "Rehabilitation of Ferric Chloride Feed System and Sludge Lines" with Weiss Construction Co. LLC, at a cost not to exceed $9,839,000.00 for a duration of 24-months; and authorizes the CEO to take such other action as may be necessary to accomplish the intent of this vote.
BACKGROUND
The Water Resource Recovery Facility (WRRF) at the Great Lakes Water Authority (GLWA) is required to remove phosphorus (P) to meet effluent limits required in the plant's National Pollutant Discharge Elimination System (NPDES) permit. The primary method for removing P at the WRRF is by adding iron salts (ferric chloride) to the wastewater stream at each of the pump stations (PS-1 and PS-2) and then precipitating it out in the primary clarifiers. Pump stations PS-1 and PS-2 have independent ferric chloride storage and feed facilities to accommodate the different flows and wastewater chemical and biological characteristics experienced at each of the Pump Stations.
PS-2 ferric chloride system improvements are currently under construction. The new PS-1 ferric storage and feed equipment will be installed in the same location as the PS-2 ferric chloride storage and feed system and will be used to convey ferric to both the Oakwood and DRI/Jefferso...
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