Z1da--506-17-503 Chiller Plant Optimization

The VA is seeking a qualified Contractor to furnish all tools, equipment, material, permits, labor, and supervision necessary to accomplish, the work as provided in the contract documents, plans, and specifications, a summary of which is provided below: Furnish all necessary labor, tools, miscellaneous materials, equipment, and supervision as specified in drawings and specifications to complete 506-17- Chiller Plant Optimization at the Ann Arbor VA Medical Center, Ann Arbor, Michigan. This project will include: This is intended to improve the performance of the felicities 3 existing water-cooled centrifugal chillers in the central chiller plant located in Building 32. The facility has 2 800-ton chillers and 1 1,000-ton chiller currently operating in the central chiller plant. Rerouting Primary and Secondary Chilled water Loop piping, including removal and replacement the decoupler loop between the Primary and Secondary chilled water loops. Tying the cooling tower basins together, coating the interior of the cooling towers and modifying controls for the cooling tower to improve performance efficiency and reduce manpower necessary to maintain proper operations of the cooling towers through automation. Eliminate 3-way chilled water valves, as identified on the project drawings to help improve the delta T between the chilled water supply and the chilled water return. Add more sensors into the chilled water system to allow greater and more effective control of the system. Modify existing control sequences for the chillers, chiller staging, primary chilled water pumps, Secondary chilled water pumps, cooling towers etc. to dramatically improve system efficiency, and facility ability to fully utilize its installed chiller capacity. The IT Security requirements for Certification & Accreditation requirements do not apply and a Security Accreditation Package is not required. The contractor and all sub-contractors will be required to complete annual privacy training by reading and signing the Privacy Training TMS 20939 prior to beginning any work.

Division 23 -	Heating, Ventilating, and Air Conditioning (HVAC), Packaged Water Chillers.
Division 26 -	Electrical.
Division 42 -	Process Heating, Cooling, and Drying Equipment, Process Chillers and Coolers.