Title
Resolution to Approve a Contract with Spence Brothers for Water Treatment Plant Steere Farm Well Engine Replacement Project - ITB #4440 ($2,945,500.00)
Memorandum
The memorandum and resolution requests approval to award a contract to Spence Brothers for the Water Treatment Plant Steere Farm Well Engine Replacement Project ITB #4440 ($2,945,500.00).
The Steere Farm Well Field is located on the Ann Arbor Airport property. The three active wells, each with a capacity of 2,500 gallons per minute, are critical infrastructure providing 20% of the City's raw water firm capacity to the Water Treatment Plant (WTP). The wells are currently powered by natural gas-driven engine drives, two originally installed in 1965 and one in 1974. They have exceeded their service life and require replacement. In March 2015, a Resolution for design services with Tetra Tech of Michigan, PC was approved by Council to evaluate alternatives for replacing the 1965 and 1974 engines. Tetra Tech's evaluation of the existing infrastructure determined that replacement of the existing natural gas engines with electric motors would improve reliability and control. In addition, they recommended adding a natural gas back-up generator to ensure the City's ability to obtain water from its wellfield in the event of a power outage. These recommendations are incorporated into the construction contract for this project. Also included in this project is the construction of a duct bank for the new electrical supply, a new pre-engineered building at Well House 25W, as well as electrical, mechanical, and architectural improvements to other well house buildings.
This project is included in the Council-approved Capital Improvement Plan for FY17.
The City received the following four (4) bids for this work:
Bidder
Base Bid
Alternate 7 - Training
Total Bid
Spence Brothers
$2,940,000.00
$5,500.00
$2,945,500.00
Sorensen Gross Company
$3,069,500.00
$5,250.00
$3,074,750.00
A.Z. Shmina, Inc.
$3,297,0...
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