Memorandum
City of Lawrence
Utilities
TO:
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David Corliss, City Manager Debbie Van Saun, ACM, Community Development Services
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FROM: |
Mary Baker, Project Engineer, Utilities
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CC: |
Dave Wagner, Director, Utilities Philip Ciesielski, Assistant Director, Utilities Tim Will, Kaw Plant Maintenance Manager Beth F. Krishtalka, Management Analyst
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Date: |
August 8, 2007
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RE: |
Kaw Water Treatment Plant Building Envelope Repairs Award Bid - Utilities Project #1CP-206
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Please include the following item on the consent agenda for the August 14, 2007 City Commission meeting.
Authorize the City Manager to enter into a contract with Restoration & Waterproofing Contractors in the amount of $266,059.00 for constructing first year repairs to the Kaw Water Treatment Plant.
Project History/Status :
The Kaw Water Treatment Plant consists of two attached buildings. The Chemical and Filter building dates from 1954, its construction includes brick facing over concrete block. The west wall of the building has numerous cracks in the exterior brick and cracks in the interior tiled corners. The wall has deflected outward. The second building is the original plant and was constructed in 1916. It does not exhibit appreciable cracking or wall deflection.
February/March 2006: The Utilities Department requested proposals and received responses from five firms. We selected Walter P. Moore Engineers based on the project team qualifications and the well documented examples of similar building assessment projects.
May 2006: Walter P. Moore investigated the causes of building envelope distress and determined that leakage through building lintels has caused brick ties to erode on the 1954 Chemical and Filter building. Their inspection also found deficiencies with roofing, and concrete façade material that had exceeded its useful life.
February 2007 – Staff amended the contract with Walter P. Moore to include design of repairs related to the discovered deficiencies.
June 2007 – Bid Documents were prepared for repairs to be accomplished over a two-year period.
July 2007 - The project received bids for the first year’s work from three contractors:
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Bidder |
Base Bid |
add alternates |
total |
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Restoration Waterproofing Contractors |
$173,125.00 |
$ 92,934.00 |
$266,059.00 |
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Midcontinental Restoration |
$337,580.00 |
$200,168.00 |
$537,748.00 |
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Western Waterproofing |
$601, 567.90 |
$227,426.90 |
$828,994.80 |
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Engineer’s Estimate |
$300,500.00 |
$144,600.00 |
$445,100.00 |
Walter P. Moore has evaluated the bids and recommends that the City contract with Restoration and Waterproofing Contractors. Utilities Department staff have met with the contractor who appears to understand the nature and scope of the work, and concur with the recommendation.
Anticipated Schedule: The anticipated project schedule is as follows:
Advertise for Bid June 19, 2007
Bid Letting July 17, 2007
Notice to Proceed August 20, 2007
End Construction February 28, 2008
This schedule is contingent upon the contract execution, and weather conditions during the construction period.
Project Funding. Funding for construction will come from the 2007 Utility Department Capital Improvement Project non-bonded construction fund.
Action Request. The Utilities Department is seeking authorization from the City Commission for the City Manager to enter into a contract with Restoration & Waterproofing Contractors in the amount of $266,059.00 for constructing first-year repairs to the Kaw Water Treatment Plant.