Bldg. 350 HVAC and Roof Repair

This is a complete HVAC system replacement and EPDM roof repair/replace project with some new steel access Stairs and Landings. Schedule/Phasing: 2.1.1. RTU replacement work shall be scheduled a minimum of 45 days prior to work. RTU replacement shall be scheduled for the least impact (comfort, safety, convenience, etc) to the building occupants. Units may be done together or separately but should be clearly delineated in a Gantt chart schedule with dates submitted to the Government for review and approval. Preliminary and follow-up work on the RTU's may be done prior to the outage and may be done during normal business hours as long as the units operation is still adequate for season (e.g. the gas train could be removed on a gas-fired unit in the summer). 2.1.2. VAV replacement work, if awarded the contractor shall provide a Gantt chart schedule for each area of the facility detailing when they plan to work in each area. Replacement shall be scheduled for low impact to the occupants. Work shall be performed at night and/or weekends when it would be disruptive to the occupants. Work that is not disruptive to the occupant's normal work (e.g. uploading controllers from mechanical room) may be done during normal business hours. Gantt chart schedule should clearly indicate the areas being worked by day/week or an accompanying floor plan shall be provided to clarify the specific areas *RFIs have been released.

Division 03 -	Concrete, Cast-in-Place Concrete, Precast Concrete.
Division 04 -	Masonry, Unit Masonry.
Division 05 -	Metals, Structural Metal Framing.
Division 06 -	Wood, Plastics, and Composites, Rough Carpentry, Finish Carpentry, Architectural Woodwork.
Division 07 -	Thermal and Moisture Protection, Dampproofing and Waterproofing, Thermal Insulation, Weather Barriers.
Division 08 -	Openings, Metal Doors and Frames, Wood Doors, Plastic Doors, Specialty Doors and Frames, Entrances and Storefronts, Curtain Wall and Glazed Assemblies, Windows, Hardware.
Division 09 -	Finishes, Plaster and Gypsum Board, Tiling, Acoustical Ceilings, Flooring, Resilient Flooring, Carpeting, Acoustic Treatment, Painting.
Division 10 -	Specialties, Visual Display Units, Signage, Compartments and Cubicles, Toilet Compartments, Partitions, Fire Protection Specialties, Fire Protection Cabinets, Fire Extinguishers, Storage Assemblies, Flagpoles.
Division 12 -	Furnishings, Window Treatments, Casework, Office Furniture, Multiple Seating.
Division 21 -	Fire Suppression, Fire-Suppression Sprinkler Systems.
Division 22 -	Plumbing, Facility Water Distribution, Facility Sanitary Sewerage, Facility Storm Drainage, Plumbing Equipment, Plumbing Fixtures.
Division 23 -	Heating, Ventilating, and Air Conditioning (HVAC), Instrumentation and Control for HVAC, HVAC Piping and Pumps, HVAC Air Distribution.
Division 26 -	Electrical, Instrumentation and Control for Electrical Systems, Interior Lighting, Emergency Lighting, Exit Signs, Exterior Lighting.
Division 27 -	Communications, Structured Cabling, Data Communications, Voice Communications.
Division 28 -	Electronic Safety and Security, Electronic Access Control and Intrusion Detection, Fire Detection and Alarm.
Division 31 -	Earthwork, Site Clearing, Grading, Soil Treatment.
Division 32 -	Exterior Improvements, Bases, Ballasts, and Paving, Flexible Paving, Asphalt Paving, Rigid Paving, Concrete Paving, Curbs, Gutters, Sidewalks, and Driveways, Planting Irrigation, Turf and Grasses.
Division 33 -	Utilities, Water Utilities, Sanitary Sewerage Utilities, Storm Drainage Utilities.