Refurbish and Upgrade Laundry Ventilation Systems

of Work: Provide refurbish and part equivalent replacement of existing four HV Units and 7 Exhaust fans serve the laundry operation and small capacity AC units for the staff breakrooms to support the laundry building 173 located at the Veterans Affairs Medical Center,179-00 Linden Blvd, Jamaica, NY 11425 in accordance with manufacturer specifications and VA specifications at http://www.cfm.va.gov/til/specs.asp. Work shall meet all VA design guidelines and

requirements. This work shall include, but not be limited to, all necessary labor and Materials to perform all Mechanical, electrical, Plumbing, and other related trade work for a complete restoration and functional system. The contractor will perform a mandated walkthrough to verify the site condition and notify the Contractor Officer during the bidding process of any observations and comments not included in the following outlined SOW below: HV-1 Provide all necessary labor and material to replace the 30/40 HP motors and Fans with all necessary parts, frames, and accessories. The contractor may provide new fan array sections comprising a high-efficiency array with direct-drive motors and a VFD to reduce operating power while providing system redundancy and reduced maintenance

requirements. Provide all necessary labor and materials to conduct full cleaning, repair, and/or replacement of the interior components and lubrication. Provide all necessary labor and material to conduct a full cleaning and/ or replacement of the interior components and lubrication of the outside air damper. Provide all necessary labor and materials to install new filters Provide all necessary labor and materials to install a new preheat and reheat heating coils, control valve, and thermostat for space control. Provide all necessary labor and materials to install the new fire damper/automatic damper as required. Replace the main electrical breaker for the HV unit at the MCC panel located in the same mechanical room, along with the unit breaker and the VFD Provide and install a new digital local control system interlocked with the exhaust system and the space temperature. HV-2 Provide all necessary labor and material to replace the 30/40 HP motors and Fans with all necessary parts, frames, and accessories. The contractor may provide new fan array sections comprising a high-efficiency array with direct-drive motors and a VFD to reduce operating power while providing system redundancy and reduced maintenance

requirements. Provide all necessary labor and materials to conduct full cleaning, replacement of the interior components, and lubrication. Provide all necessary labor and material to conduct a full cleaning and/ or replacement of the interior components and lubrication of the outside air damper. Provide all necessary labor and materials to install new filters Provide all necessary labor and materials to install a new preheat and reheat heating coils, control valve, and thermostat for space control. Provide all necessary labor and materials to install the new fire damper/automatic damper as required. Replace the main electrical breaker for the HV unit at the MCC panel located in the same mechanical room, along with the unit breaker and the VFD Provide and install a new digital local control system interlocked with the exhaust system and the space temperature. HV-3 Provide all necessary labor and material to replace the 30/40 HP motors and Fans with all necessary parts, frames, and accessories. The contractor may provide new fan array sections comprising a high-efficiency array with direct-drive motors and a VFD to reduce operating power while providing system redundancy and reduced maintenance

requirements. Provide all necessary labor and materials to conduct full cleaning, replacement of the interior components, and lubrication. Provide all necessary labor and material to conduct a full cleaning and/ or replacement of the interior components and lubrication of the outside air damper. Provide all necessary labor and materials to install new filters Provide all necessary labor and materials to install a new preheat and reheat heating coils, control valve, and thermostat for space control. Provide all necessary labor and materials to install the new fire damper/automatic damper as required. Replace the main electrical breaker for the HV unit at the MCC panel located in the same mechanical room, along with the unit breaker and the VFD Provide and install a new digital local control system interlocked with the exhaust system and the space temperature. HV-4 Provide all necessary labor and material to replace the 30/40 HP motors and Fans with all necessary parts, frames, and accessories. The contractor may Provide new fan array sections consisting of high-efficiency, direct-drive motors and VFDs to reduce operating power while providing system redundancy and reduced maintenance

requirements. Provide all necessary labor and materials to conduct full cleaning, replacement of the interior components, and lubrication. Provide all necessary labor and material to conduct a full cleaning and/ or replacement of the interior components and lubrication of the outside air damper. Provide all necessary labor and materials to install new filters Provide all necessary labor and materials to install a new preheat and reheat heating coils, control valve, and thermostat for space control. Provide all necessary labor and materials to install the new fire damper/automatic damper as required. Replace the main electrical breaker for the HV unit at the MCC panel located in the same mechanical room, along with the unit breaker and the VFD Provide and install a new digital local control system interlocked with the exhaust system and the space temperature. Furnish and install new variable frequency drives (VFDs) for exhaust fans E- 1,2; GX-1,2,3,4, and 5. Exhaust fans GX 3,4, and 5 are located on the upper roof; exhaust fans GX 1 and 2 are located on the lower roof. Exhaust fan E-1 is in MER1, and Exhaust fan E-2 is in MER2. Exhaust Fans Refurbish existing exhaust fans, GX-1, 2, 3, 4, 5, E1 and E2. Replace existing motors with new NEMA premium-efficiency inverter-duty motors and install a new variable-speed drive. Replace bearings and seals. Install new sealant on the ductwork seams. Install new access doors. Install new motorized dampers. Replace filters on roof exhaust fans GX-1, 2, 3, 4, 5, and exhaust fans E1 and E2. Exhaust fans GX 3, 4, and 5 are located on the upper roof; GX 1 and 2 are located on the lower roof. Exhaust Fan E-1 is in MER1, and Exhaust Fan E-2 is in MER2. Replace the main electrical breaker for each unit at the MCC panel located in the same mechanical room, along with the unit breaker and the VFD Piping and devices Replace the existing steam PRV station (High to Mid) Replace the existing relief valve on the expansion/Flash Tank in MER 1. Replace all steam and condensate piping, fittings, valves, F&T traps, and all necessary items to connect to the new Steam coils. AC units Remove and replace AC 2 & ACCU1 with a new equivalent split system, including all necessary installation work, materials, and activation. Remove and replace AC 1 with a new equivalent package unit, including all the necessary installation work, materials, and activation Painting Sandblast and paint the structural steel for GX 1,2,3,4 and 5. Clean and epoxy paint the mechanical room floors. General Requirement: The Contractor shall furnish all labor, materials, tools, supervision, equipment, and safety necessary to perform the site preparation. At a minimum, the following shall be performed: The Contractor shall take all necessary precautions and safety measures to protect all patients and end users from all related activities. The Contractor shall repair all walls and interior damage related to the site preparation. The Contractor shall repair all demolition and openings necessitated to perform the repair. The Contractor shall test and verify all work to ensure proper operation. The Contractor must have OSHA training and specialized OSHA training. In the performance of all work, the workers must be incompliance with safety regulations governing worker safety (OSHA: 29 CFR 1926 Safety and Health Regulations for Construction; NFPA, Life Safety Codes, etc.). All work shall be done in accordance with NFPA, Life Safety, VA Standards and Regulations, VA Policy and