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File #: 2018-1036    Version: 1 Name:
Type: Resolution Status: Passed
File created: 12/4/2018 In control: Board of Directors Workshop Meeting
On agenda: 12/12/2018 Final action: 12/12/2018
Title: GLWA-CS-102 Professional Engineering Services for Rehabilitation of Pump Station No. 1 Improvements
Sponsors: Navid Mehram
Indexes: Wastewater Operations
Attachments: 1. Pricing Summary2 Bid Tab, 2. GLWA-CS-102 RFP Cost Evaluation, 3. GLWA-CS-102 Procurement Report rfp
Title
GLWA-CS-102
Professional Engineering Services for Rehabilitation of Pump Station No. 1 Improvements

Body
Agenda of: December 12, 2018
Item No.: 2018-1036
Amount: $4,986,249

TO: The Honorable
Board of Directors
Great Lakes Water Authority

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

DATE: December 4, 2018


RE: GLWA-CS-102
Professional Engineering Services for Rehabilitation of Pump Station No. 1 Improvements


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. GLWA-CS-102, "Professional Engineering Services for Rehabilitation of Pump Station No. 1 Improvements" with Wade Trim Associates, at a cost not to exceed $4,986,249.00 for a duration of Sixty (60) months; and authorizes the CEO to take such other action as may be necessary to accomplish the intent of this vote.

BACKGROUND

GLWA operates two raw sewage pumping stations: Influent Pumping Station No. 1 (PS-1) and Influent Pumping Station No. 2 (PS-2), at the Water Resource Recovery Facility. Raw wastewater (influent) from the collection system flows to PS-1 through the Detroit River Interceptor (DRI) and the Oakwood Interceptor and is pumped to an elevation that allows the wastewater to flow through primary treatment by gravity.
PS-1 was constructed in the late 1930s and has eight constant speed pumps of various capacities and has a firm capacity (defined as a single largest pump out of service) of 1,025 million gallons per day (MGD). This is the majority of the 1,700 (MGD) conveyance capacity required by the Water Resource Recovery Facility (WRRF) as required by its National Pollutant Discharge Elimination System (NPDES) permit. The pumps at PS-1 were last rehabilitated in 2004 and 2005. Flow measurement from PS-1 is currently estimated using pump curves or using 1960...

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