Z1DA-- 630A4-26-500 Replace ER AHU Brooklyn Campus

ted to all necessary labor and Material 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 with any observation and comments not included on the following outlined SOW below: Scope of work Performance Period: 240 Calendar Days AHU Provide all necessary labor and material to install a temporary HVAC unit with an approximate cooling capacity of 100 tons and approximate 17500 cubic feet per minute (CFM) to provide heating and cooling to the Emergency room space while the existing unit is being replaced. The vendor shall install the temporary unit and activate it to serve the ER suite prior to removing and replacing the existing ER HVAC unit. Provide all necessary labor and material to demo and remove existing equipment, prepare the site to receive the new equipment s include but not limited to concrete pad modification/extension, existing fence modification/ extension and all other necessary work for a complete professional installation. Provide all necessary labor and material to complete the Replacement of the package AHU1 serve the Emergency Room. The contractor shall provide a new similar package unit to the existing GOVERNAIR Model # TL10-10048-E or approved equal. Or may provide an equivalent AHU along with air-cooled chiller. The system should be equipped with a complete control system capable of communicating with the existing Honeywell DDC Building Automation system located in the Chiller plant in Building #4 at BK Campus. The packaged controller shall be adjustable from the DDC head end and shall report all sensor readings, alarms, and status. The AHU should at a minimum include steam preheat and reheat coils section, Humidification section, cooling coils and/or DX coil section, pre and final filtration section, Fan array with VFD and additional CFM capacity option, all necessary control devices, dampers & Actuators, freeze stat, etc. and complete operational controlled system. AHU sequence of operation is outlined on the attached equipment schedule drawing sheet M501. Reheat flow control valves can be 2-way valves with either a VFD or a minimum flow bypass valves or a 3-way valves. Reheats system to be installed and followed by a single activation of the whole system. Provide all necessary duct modification and transition fitting to connect to existing supply duct, insulation, fire alarm duct detector, etc. and other related items for a complete operational system, Provide all necessary Steam and condensate piping, fitting, weatherproof insulation, Heat trace, control valves, etc. for a complete function system. Provide all necessary labor and material to install new electrical work, conduit, wiring, breakers for all new equipment. Provide and install all new digital control wiring system interlocked with the exhaust system, the space temperature and the Honeywell front end. Exhaust Fans Refurbish existing exhaust fans, EF1 at 15,270 CFM, EF2 at 1040 CFM, and EF3 at 1335 CFM, replace existing motors with equal HP and RPM, Install new fabric & sealant on the ductwork seams. The initial fan external static pressure shall be measured and reported for all exhaust fans before work begins. Contractor to provide exhaust duct cleaning includes the replacement of all 8 duct Registers as outlined in the attached Equipment schedule. The existing Sequence of operation should remain the same. Shutdowns for work on the fans must be coordinated with staff minimum 7 days prior. Heating Piping and devices All required work for this item is in the basement floor Mechanical room located within the animal research lab unit. This area will have limitations to the noise produced and hour when work is acceptable. Replace the existing steam/Hot Water heat exchanger HE-1 B&G 100GPM, Model SU 8 5-2 with same or equal unit. Replace all Hot water pumps P-1 and P-2 B&G 100GPM, 5HP with same or equal units. Replace all steam and condensate piping, fitting, valves as necessary within the mechanical room include new valves to the steam supply and the condensate return. Project Number: 630A4-26-500 Project Title: Replace ER AHU Brooklyn Campus Replace all Hot water supply and return piping, fitting, valves and devices from the heat exchanger up to the main supply and return distribution loop within the mechanical space. Provide all necessary labor and material to install new electrical work, conduct, wiring, breakers for all new equipment. Contractor should review Sequence of operation as outlined on the attached equipment schedule and make necessary modification as needed. Constant volume terminal units CV S Remove and replace 18 CV units with the same or equivalent to the existing ones listed on the attached equipment schedule. CV1 through CV18 located above ceiling along with necessary duct modification, HWS & HWR piping (up to 25 Ft each), fitting and devices, wall temp sensor & wiring, etc. for a complete operational system. Work should be coordinated closely with the COR to minimize impact on the ER operations. The contractor may consider phasing the CV-related work in occupied areas to fewer phases considering off hours work. Ceiling tiles removal and restoration should be part of the Contractor SOW. General Requirement: The Contractor shall furnish all labor, materials, tools, supervision, equipment, safety, necessary to perform the site preparation. At minimum, the following shall be performed: The Contractor shall take all necessary precautions and safety measure to protect all patients and end users from all related activities. This includes but is not limited to negative air for all interior areas where work is being performed and dust control to reduce contamination of outdoor air louvers and patient space. The Contractor shall repair all walls and interior damage related to the site preparation The Contractor shall repair all demolition and opening 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 requirements, OSHA regulations, and manufacturer specification. The Contractor shall guarantee that all work performed will be free from all defects in workmanship and materials and that all installation and repair will provide the capacities and characteristics specified. The contractor shall guarantee that if, during a period of one year from the date of the certificate of completion and acceptance of the work, any such defects shall be repaired by the contractor at his own cost. It is the responsibility of the contractor to verify all quantities, field conditions and measurements prior to starting work. The contractor shall notify the CO/COR and VA Engineering Team of any differing site conditions prior to starting. The Contractor shall always provide an English-Speaking working supervisor on-site when work is being perfor