Title
Contract No. 2200061
Design Services of CSO Facilities Improvements
Body
Agenda of: December 14, 2022
Item No.: 2022-562
Amount: $5,176,820.93
TO: The Honorable
Board of Directors
Great Lakes Water Authority
FROM: Suzanne R. Coffey, P.E.
Chief Executive Officer
Great Lakes Water Authority
DATE: December 2, 2022
RE: Contract No. 2200061
Design Services of CSO Facilities Improvements
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. 2200061, "Design Services of CSO Facilities Improvements" with Hazen and Sawyer, at a cost not to exceed $5,176,820.93 for a duration of 1,825 days; and authorizes the CEO to take such other action as may be necessary to accomplish the intent of this vote.
BACKGROUND
The project combines three (3) separate CIP projects for CSO improvements into a single design contract for efficiency and expedience. St. Aubin Screening and Disinfection Facility (SDF) - Disinfection, Screening, and Miscellaneous Improvements (CIP #260617), CSO Facility Safety Improvements and Building Rehabilitation (CIP #270005) for the nine (9) CSO facilities, and Control System Upgrades at Baby Creek and Belle Isle CSO Facilities (CIP #270006).
The design of the required improvements is based on CSO Facilities Assessment Report on the multi-disciplinary assessment prepared by Jacobs on April 9, 2021, in combination with the Hazen & Sawyer October 2019 assessment report done on the St. Aubin SDF system. This facility has been in operation since 2002. St. Aubin CSO facility receives wastewater flow from the Chene, DuBois, and St. Aubin sewers. The facility was designed to screen and disinfect up to 250 cubic feet per second (CFS) of CSO before discharging into the Detroit River via the effluent ...
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