Title
Proposed Amendment No. 2
Contract No. 1802543
Rehabilitation of Ferric Chloride Feed System at PS-1 and
Complex B Sludge Lines
CIP # 211008 / BCE Score: 78.30
Body
Agenda of: March 22, 2023
Item No.: 2023-092
Amount: Original Contract $2,322,045.00
Amendment No. 1 0.00
Proposed Amendment No. 2 0.00
Total Contract Amount $2,322,045.00
TO: The Honorable
Board of Directors
Great Lakes Water Authority
FROM: Suzanne R. Coffey, P.E.
Chief Executive Officer
Great Lakes Water Authority
DATE: February 24, 2023
RE: Proposed Amendment No. 2
Contract No. 1802543
Rehabilitation of Ferric Chloride Feed System at PS-1 and
Complex B Sludge Lines
Vendor: Hazen and Sawyer
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. 1802543, Proposed Amendment No. 2, "Rehabilitation of Ferric Chloride Feed System at PS-1 and Complex B Sludge Lines" with Hazen and Sawyer, with no increase in cost for a total cost not to exceed $2,322,045.00 and an increased duration of 244 days for a total duration of 1,659 days; and authorizes the CEO to take such other action as may be necessary to accomplish the intent of this vote.
BACKGROUND
Hazen & Sawyer was awarded the original contract with a start work date of May 22, 2019, for a total contract fee of not-to-exceed $2,322,045.00 for a duration of 976 days. This contract was established to design a new Ferric Chloride feed system originating in PS-2 and providing a feed of Ferric Chloride solution to existing PS-1 via a new chemical feed system installed in the pipe gallery at the Water Resource Recovery Facility (WRRF). Additionally, the design included rehabilitation of the existing Sludge Complex B-30 (SCB-30) thickened waste activated sludge (TWAS) line which conve...
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