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AI- 4248   4. C. 3.    
Commissioners Court - Regular
Meeting Date: 04/10/2013  
Authorize Protect Mechanical to install a new Tower # 1 Gearbox support structure, gearbox, shaft and rotating assembly at the McKinzie Annex.
Submitted By: Elsa Saenz, Purchasing Department
Department: Purchasing Department  

Information
RECOMMENDATION
Discuss and consider authorizing Protect Mechanical to install a new Tower No. 1 gearbox support structure, gearbox, shaft and rotating assembly at the McKinzie Annex.
BACKGROUND
The McKinzie System HVAC (Heating, Ventilation and Air Conditioning) System is comprised of two hydronic chillers, each with its own cooling tower. Chiller No. 1 is inoperable because the Cooling Tower No. 1 gearbox and shaft are deteriorated beyond repair. Chiller No. 2 has an identical Cooling Tower No. 2 system that is functional, at present, but severely deteriorated to the point of being passed its useful life.

The project consists of labor, parts, and material to demolition of an existing gearbox and rotating assembly. Install a new tower gearbox support structure, gear box and all new rotating assembly.
DISCUSSION
Per notification from the Principal Engineer in Public Works, these repairs must be made immediately, in order to have at least one functional HVAC system at the Annex. At present the only quote has been received at a cost of $33,700 to be paid from Mechanical Maintenance budget (Department 1500).

Budget Information
Information about available funds
Budgeted: Funds Available: Adjustment: Amount Available:
Unbudgeted: Funds NOT Available: Amendment:
Account Code(s) for Available Funds
1:
Fund Transfers

Attachments
Cooling Tower quote
Repair Justification

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