Title
Proposed Amendment No. 2
Contract No. 1803705
Comprehensive Corrosion Control Optimization Study
O&M
Body
Agenda of: November 16, 2023
Item No.: 2023-412
Amount: Original Contract $6,931,618.82
Amendment No. 1 779,000.00
Proposed Amendment No. 2 184,360.00
Total Revised Contract $7,894,978.82
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 Amendment No. 2
Contract No. 1803705
Comprehensive Corrosion Control Optimization Study
Vendor: Arcadis of Michigan, LLC
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 Chief Executive Officer (CEO) to enter into Contract No. 1803705, Proposed Amendment No. 2, "Comprehensive Corrosion Control Optimization Study" with Arcadis of Michigan, LLC, at an increased cost of $184,360.00 for a total cost not to exceed $7,894,978.82, with no increase in duration for a total duration of five (5) years; and authorizes the CEO to take such other action as may be necessary to accomplish the intent of this vote.
BACKGROUND
Contract No. 1803705 for Comprehensive Corrosion Control Optimization Study that will identify an optimized treatment approach to minimize lead and copper concentrations at consumer taps while at the same time averting adverse secondary impacts that can occur when treatment changes are made. The Corrosion Control Study is being used to test the effectiveness of different corrosion control treatments by installing pipe loop rigs at our five water treatment plants and at five other "satellite" locations within the regional water system. There are 40 pipe loop rigs in total.
The original contract amount was in the amount of $6,931,618.82. Amendment No. 1 authorized additional work in the amo...
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