CITY COUNCIL AGENDA ITEM
ACTION REQUESTED:
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Approve the award of Bid 20-212, Improvements to City Well 31, to AMS Mechanical Systems for an amount not to exceed $1,323,200 plus a 3% contingency
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DEPARTMENT: Water Utilities
SUBMITTED BY: Darrell Blenniss, Director
BOARD/COMMISSION REVIEW:
N/A
BACKGROUND:
The City of Naperville currently operates eight emergency standby wells, which are operated and sampled monthly to ensure they will function when needed. The emergency standby well system will provide the City with water in the event of a prolonged interruption of the delivery of water from the DuPage Water Commission. Two wells have been rehabilitated, with five wells remaining for rehabilitation, along with electrical and controls work at one other well.
In June 2020, the Water Utilities issued Bid 20-212, Improvements to City Well 31. Work on City Well 31 will include reinstallation of the existing well pump with a new motor, replacement and painting of valves and piping, replacement of electrical gear, improvements to the chlorine system, installation of a chlorine scrubber and associated SCADA improvements.
DISCUSSION:
Advertisement Date: 06/02/2020 Notices Sent: 24
Opening Date: 06/26/2020 Planholders: 20
Proposals Received: 4
Bids were received from the following vendors:
Vendor Name
Proposed Cost
Engineer's Estimate
$1,150,000
AMS Mechanical Systems
$1,323,200
Joseph J. Henderson & Son, Inc.
$1,389,000
Dahme Mechanical Industries
$1,423,780
Boller Construction Company, Inc.
$1,482,900
A mandatory onsite pre-bid meeting was held and the proposed improvements were discussed in detail with vendors. All bidders submitted bid prices over $1.3 million. Staff believes the bids received accurately reflect the scope of the project.
Since AMS Mechanical Systems is a new contractor for the City, staff competed reference checks. Five government agencies evaluated the firm as satisfactory. In addition, staff h...
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