Title
Proposed Amendment No. 1
Contract No. SCN-0000512
Biosolids Process Improvements (Study)
CIP #213009 / BCE Score: 79.60
Body
Agenda of: March 11, 2026
Item No.: 2026-094
Amount: Original Contract $2,836,265.00
Proposed Amendment No. 1 313,992.00
Total Contract Amount $3,150,257.00
TO: The Honorable
Board of Directors
Great Lakes Water Authority
FROM: Suzanne R. Coffey, P.E.
Chief Executive Officer
Great Lakes Water Authority
DATE: March 2, 2026
RE: Proposed Amendment No. 1
Contract No. SCN-0000512
Biosolids Process Improvements (Study)
Vendor: Brown and Caldwell, LLC
Status: Amendment/Change Order
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 SCN-0000512, Proposed Amendment No. 1, "Biosolids Process Improvements (Study)", with Brown and Caldwell, LLC, for an increased cost of $313,992.00 for a total cost not to exceed $3,150,257.00 and an increased duration of 241 days for a total duration of 971 days; and authorizes the CEO to take such other action as may be necessary to accomplish the intent of this vote.
BACKGROUND
Biosolids Process Improvements (Study) with Brown and Caldwell, (BC) was awarded in October 2024. This Study was a recommended project from the 2020 Wastewater Masterplan (WWMP). Biosolids are generated from the wastewater treatment process and represent a part of the solids stream of wastewater treatment. The solids stream includes screenings, grit and solids which may contain recoverable nutrients or energy, i.e. biosolids. Recoverable nutrients or energy include, but are not limited to, phosphorus, natural gas, heat/power, and electrical energy generation.
Presently, the Water Resource Recovery Facility (WRRF) has three (3) forms of biosolids disposal available. These include lime stabilization and landfilling...
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