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File #: AUT 24-031    Version: 1 Name:
Type: Authorization Status: Agenda Ready
File created: 4/29/2024 In control: City Council
On agenda: 5/7/2024 Final action:
Title: Consideration of and action on entering into agreements with Lockwood, Andrews & Newman (LAN), Tank Industry Consultant and amending the agreement with Terracon for the engineering, design and project management associated with the Avon Elevated Water Storage Tank Rehabilitation.
Sponsors: Public Works
Attachments: 1. TCI - Engineering Design Services Agreement, 2. Supplemental Change Order1 -Terracon, 3. 2015.10.12 Deer Park - Engineering Design Services Agreement_Avon St EST, 4. Report - Avon Street Tank Evaluation Report 7-25-23
Requester: Public Works
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Title
Consideration of and action on entering into agreements with Lockwood, Andrews & Newman (LAN), Tank Industry Consultant and amending the agreement with Terracon for the engineering, design and project management associated with the Avon Elevated Water Storage Tank Rehabilitation.

Body
Summary:
In June 2023, the piping below the Avon elevated Storage Tank broke, damaging the floor, washing material out, and rendering the tower not usable until an evaluation could be performed along with repairs.
Tank Industry Consultants was hired to evaluate the damages to the tank, as well as the overall condition of the tank itself. In July 2023 the evaluation was completed and results were sent to us in August. Their recommendations, which can be found starting on page 18 of the attached report, includes repairs to the foundation, site renovations, tank and site security improvements, as well as recommending repainting/rehabilitating the exterior surfaces of the tank, and repainting of the interior tank.
The estimated cost for the repairs to the damage, as well as rehabilitation of the tank (which can be found on page 27 of the attached report, are estimated to be $678,000.
At this current time, we have 3 existing contracts associated with the damages that occurred to the Avon Tank.
* July 24, 2023: The agreement with Tank Industry Consultants, mentioned above, which had a not to exceed cost of $50,000.
* August 15, 2023: An Agreement with Lockwood, Andrews & Newman, Inc. (LAN) in the amount of $9,000 for the initial analysis coordination and design development phase services.
* August 22, 2023: An agreement with Terracon, in the amount of $49,200, in which they performed a field exploration services, including excavating the soils in the center or the tank and dynamic cone penetrometer test.
Now that the initial review and assessment of the tank have been completed, we are requesting to enter into new agreements (or amended agreement in one case) for the ac...

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