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TO: Mayor Richard C. Irvin
FROM: David E. Schumacher, P.E.; Superintendent of Water Production
DATE: October 8, 2018
SUBJECT:
A Resolution Authorizing Well Maintenance Services for Well No. 18 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 as described in Layne's proposal letter (attached) to return Well No. 18 to full operational and functional status.
BACKGROUND:
Well No. 18, located at 218 Hillside Avenue, is a deep well with the pump and motor setting at 939 feet below the surface and is normally capable of supplying approximately 1,900,000 gallons of water per day. The well is designated as an emergency or stand-by well and is capable of supplying water directly to the city's water distribution system in an emergency situation. The well does not supply water to the city's water treatment plant for processing and treatment. IEPA regulations require that emergency wells be sampled monthly for microbiological quality. Recently, during monthly pumping, the well experienced a major loss of water output. All tests from the surface indicated proper electrical function of the pump and motor. In order to further investigate the lack of water production, the well pump/motor assembly must be removed from the well for inspection and further testing.
Subsequently, under a not-to-exceed purchase order of $25,000.00, Layne has recently completed the removal of the pumping equipment and has determined that a large hole exists in the pump's line pipe. Numerous other repairs and improvements are normally performed given the opportunity of having the equipment removed from the well.
DISCUSSION:
The total estimated cost of all proposed and recently completed work by Layne to restore Well No. 18 to operational status is $194,476.00. A detailed breakdown of the estimated costs is presented in Layne's proposal letter. ...
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