Description

Project Number: 630A4-26-401 Project Title: MRI AHU Modification Project Number: 630A4-26-401 Project Title: MRI AHU Modification Project Number: 630A4-26-401 Project Title: MRI AHU Modification Statement of Work Performance Period: 270 Calendar Days Magnitude Of Construction Projects between $1,000,000 and $2,000,000 Description of Work: Provide design build service for the installation of dedicated cooling source to the recently installed air handling unit (AHU) serving the MRI suite in the basement of the OPC building 15 at Veteran s Affairs Medical Center, 800 Poly place Brooklyn, NY 11209 in accordance with the existing AHU manufacturer specifications and VA specifications at http://www.cfm.va.gov/til/specs.asp. Work shall meet all VA design guidelines and requirements. Specific Requirement: The Contractor will furnish all on-site investigations, engineering, construction drawings, submittals, labor, materials, tools, supervision, equipment, safety, necessary to provide for the construction and functional performance testing of a new supplemental air-cooled chilled water system and hallway chilled water fan coil system for the Magnetic Resonance Imaging (MRI) Suite and its Air Handling Unit. The scope of work to be performed includes, but is not limited to, the following elements: The contractor will furnish and install a new air-cooled nominal 30-ton capacity electric chiller to supply chilled water to an existing chilled water coil in the existing Air Handler dedicated for the MRI suite in the basement of OPC building 15. The new air-cooled chiller system will utilize an integral skid mounted compressor, evaporator heat exchangers, power panel, control panel and chilled water buffer tank with a remote air-cooled refrigerant condenser located outside and adjacent to the building on grade. Both the interior below grade compressor and heat exchanger skid and the on-grade air cooled condenser skid shall be mounted atop concrete equipment pads. The poured in place of concrete equipment pads will be designed and constructed by the Contractor at locations within the below grade MRI suite s Mechanical Room and outside the building on grade adjacent to the building. Approximate locations for these two equipment pads are provided on the attached drawings. The existing Air Handling Unit chilled water coil is provided with chilled water by the general building chilled water system. This general building chilled water system is turned off during the heating season, but the MRI suite still requires mechanical cooling to maintain the necessary operating environments for the MRI machine and the patient and staff spaces due to the heat generated by the MRI equipment. The Contractor will design the new chiller equipment and piping to provide shoulder and winter month period supply of chilled water to the MRI AHU. The switch over from summer operation to cool weather operation for the chilled water system, and back again, shall be capable of performing remot…

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• Attachment 1