Title
GLWA-CON-270
Isolation Gate Valves for Line Pumps for West Service Center Pumping Station
Body
Agenda of: September 26, 2018
Item No.: 2018-892
Amount: $1,447,744.00
TO: The Honorable
Board of Directors
Great Lakes Water Authority
FROM: Sue F. McCormick
Chief Executive Officer
Great Lakes Water Authority
DATE: September 6, 2018
RE: Contract No. GLWA-CON-270
Isolation Gate Valves for Line Pumps for West Service Center Pumping Station
Vendor: Weiss Construction Co., 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. GLWA-CON-270 "Isolation Gate Valves for Line Pumps for West Service Center Pumping Station" with Weiss Construction Co., LLC, at a cost not to exceed $1,447,744.00 for a duration of 280 days; and authorizes the CEO to take such other action as may be necessary to accomplish the intent of this vote.
BACKGROUND
GLWA's West Service Center (WSC) booster pumping station and reservoir facility was constructed in 1962. The purpose of the WSC is to increase pressure in the 54-inch diameter water transmission main running along 8 Mile Road from the Northeast and Springwells Water Treatment Plants.
The WSC consists of one main pump house, two reservoir pump houses, and two reservoirs. There are six-line pumps (designated L1 - L6) in the main pump house. Three of these line pumps supply high pressure water to the Franklin Station and other upstream communities while the other three-line pumps supply the intermediate pressure main that serves the Newburgh Station, Farmington Station, and other upstream communities.
In the main pump house, the line pumps L1 through L3 have isolation valves installed on their discharge side but not on their suction side. Line pumps L4 through L6 have isolation valves installed on both the suction and discharge sides...
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