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File #: 2018-636    Version: 1 Name:
Type: Resolution Status: Passed
File created: 3/7/2018 In control: Board of Directors
On agenda: 3/28/2018 Final action: 3/28/2018
Title: GLWA-CON-225 Orion Pumping Station Improvements
Sponsors: Cheryl Porter
Indexes: Water Operations
Attachments: 1. GLWA-CON-225 Procurement Board Summary, 2. GLWA-CON-225 Bid Tabulation, 3. GLWA-CON-225 Procurement Checklist
Orion Pumping Station Improvements

Agenda of: March 28, 2018
Item No.: 2018-636
Amount: $1,747,000.00

TO: The Honorable
Board of Directors
Great Lakes Water Authority

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

DATE: March 7, 2018

RE: Contract No.: GLWA-CON-225
Orion Pumping Station Improvements
Vendor: Detroit Contracting, Inc.

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. GLWA-CON-225, "Orion Pumping Station Improvements" with Detroit Contracting, Inc., at a cost not to exceed $1,747,000.00 for a duration of fifteen (15) months, and authorizes the CEO to take such other action as may be necessary to accomplish the intent of this vote.
GLWA's Orion Pumping Station is a water booster pumping station located in Auburn Hills, Michigan. The Orion Pumping Station was constructed in 1961 and at that time was equipped with three line pumping units. A fourth line pumping unit was installed at the station in the 1990s. The Orion Pumping Station boosts pressure through a 30-inch diameter transmission main to maintain contract pressures at master meters OT-01 and AH-05 for the Charter Township of Orion and the City of Auburn Hills, respectively (see Figure 1 below).
Figure 1: Orion Pumping Station Service Map

The current capacities of the four line pumping units at the Orion Pumping Station are provided in Table 1 below.
Table 1: Existing Pumping Unit Capacities - Orion Pumping Station
Line Pump
Flow (MGD)
Total Head (FT)
Motor Size (HP)|1010|2.0
Abbreviations: MGD (million gallons per day), FT (feet), HP (electrical horsepower)
The total installed pumping capacity of the Orion Pumping Station is 14 MGD at 85 feet of total head while the f...

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