Title
Proposed Change Order No. 2
Contract No. 2002190
Rehabilitation of Ferric Chloride Feed System and Sludge Lines
CIP #211008 / BCE Score: 78.3
Body
Agenda of: November 16, 2023
Item No.: 2023-410
Amount: Original Contract $9,839,000.00
Change Order No. 1 0.00
Proposed Change Order No. 2 300,000.00
Total Contract Amount $10,139,000.00
TO: The Honorable
Board of Directors
Great Lakes Water Authority
FROM: Suzanne R. Coffey, P.E.
Chief Executive Officer
Great Lakes Water Authority
DATE: October 27, 2023
RE: Proposed Change Order No. 2
Contract No. 2002190
Rehabilitation of Ferric Chloride Feed System and Sludge Lines
Vendor: Weiss Construction Co., 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, Proposed Change Order No. 2, "Rehabilitation of Ferric Chloride Feed System and Sludge Lines" with Weiss Construction Co., LLC, with an increase in cost of $300,000.00 for a total cost not to exceed $10,139,000.00 and an increased duration of 190 days for a total duration of 1,164 days; and authorizes the CEO to take such other action as may be necessary to accomplish the intent of this vote.
BACKGROUND
This project is intended to improve the reliability of the ferric chloride feed system at Pump Station No. 1 and the thickened waste activated sludge (TWAS) piping between Complex B and Complex A at the Water Resource Recovery Facility (WRRF). The scope of work includes replacement of the existing ferric chloride feed system with new pumps and appurtenances, new ferric chloride storage tank and appurtenances, as well as modification and chemical cleaning of the TWAS pipeline from Complex B to Complex A.
The original agreement required substantial completion of the project on October 7, 2022. Change...
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