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File #: 2018-542    Version: 1 Name:
Type: Resolution Status: Passed
File created: 1/8/2018 In control: Board of Directors
On agenda: 1/24/2018 Final action: 1/24/2018
Title: GLWA-CON-250 Pumping Station No. 1 Rack and Grit and MPI 1 and Jefferson Sampling Stations Improvements
Sponsors: Suzanne Coffey (WRRF)
Indexes: Wastewater Operations
Attachments: 1. GLWA-CON-250 Approval Checklist Form
Title
GLWA-CON-250
Pumping Station No. 1 Rack and Grit and MPI 1 and
Jefferson Sampling Stations Improvements

Body
Agenda of: January 24, 2018
Item No.: 2018-542
Amount: $6,193,801.41

TO: The Honorable
Board of Directors
Great Lakes Water Authority

FROM: Sue F. McCormick
Chief Executive Officer
Great Lakes Water Authority

DATE: January 8, 2018


RE: Contract No.: GLWA-CON-250
Pumping Station No. 1 Rack and Grit and MPI 1 and Jefferson Sampling Stations Improvements
Vendor: Weiss Construction Company, LLC
Designer: Benesch


MOTION
Upon recommendation of Suzanne Coffey, Chief Planning Officer, Interim Chief Operating Officer - Wastewater, The Board of Directors (Board) of the Great Lakes Water Authority (GLWA), authorizes the Chief Executive Officer (CEO) to enter into Contract No. GLWA-CON-250, "Pumping Station No. 1 Rack and Grit and MPI 1 and Jefferson Sampling Stations Improvements" with Weiss Construction, LLC, at a cost not to exceed $6,193,801.41 for a duration of 598 days; in addition, funding of $1,740,000.00 is authorized to be allocated from the Capital Improvement Program allowance account 170100; and authorizes the CEO to take such other action as may be necessary to accomplish the intent of this vote.


BACKGROUND
The initial step in the wastewater treatment and resource recovery process is screening and grit removal. Because wastewater contains large solids and grit that can interfere with treatment processes and cause undue mechanical wear and increased maintenance on equipment, these materials require separate handling. We call this process area "Rack and Grit". The rack portion includes bar racks or screens that effectively strain out large items. The grit removal system separates the grit (sand, gravel, and other heavy solid materials that are heavier than the organic biodegradable solids) and removes it from the wastewater stream. After removal of this type of material, the wastewater flow moves onward to the prim...

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