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TO: Mayor Thomas J. Weisner
FROM: David E. Schumacher, P.E., Superintendent of Water Production
DATE: January 22, 2016
SUBJECT:
A Resolution Authorizing the Rehabilitation of two River Intake Pumps in 2016 for the Water Production Division.
PURPOSE:
To obtain City Council authorization for Layne Christensen Company (Layne), 721 W. Illinois Avenue, Aurora, IL, to perform all necessary services and repairs to completely rehabilitate two river intake pumps in 2016.
BACKGROUND:
The City of Aurora utilizes the Fox River as a significant source of its potable water supply. Fox River water is conveyed to the City of Aurora Water Treatment Plant by the river intake pump station. The pump station consists of six pumps with capacities ranging from 1,700 to 4,000 gallons per minute.
Periodic repairs and maintenance are required of any type of pumping equipment, but, the extended and continuous pumping of river water is especially hard on these pumps. As such, these units experience wear over their many years of operation. Testing has shown that several pumps are experiencing loss of capacity (flow), abnormal pump vibration, or other mechanical issues. Two of these pumps need to be serviced in order to ensure continued reliability and to maintain adequate capacity and redundancy to consistently pump river water.
DISCUSSION:
The city entered into a Professional Services Agreement (PSA) with Layne in 2012 under Resolution No. R12-290, which provides a 5% discount on all labor and field services, and a 10% discount on specialized services performed by Layne. Layne will perform all work on a time and material basis and will only be compensated for the actual work performed per the terms and conditions of the PSA. In addition, Layne is the sole regional factory authorized source for repair services of Flowserve-Byron Jackson pumps utilized by the Water Production Division at the river intake.
Funds are available in the 2016 City Budget i...
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