Chiller Plant Optimization, Building A-47, NRL-DC (NEPA 23-016) (PW5753, 5924, 5939)

Provide and secure all labor, approved materials; tools, mobilization, transportation, supervision and equipment to accomplish all work as described herein in order to improve operation and energy efficiency of the central chilled water system, controls and equipment at Building A47, including installing VFDs on cooling tower fans, replacing Zone-E pumps, and retro commissioning of chilled water zone pumps. The general scope of work includes, but is not limited to: providing variable frequency drives on the exisitng cooling tower fans, removing the secondary chilled water pumps for Zone B and Zone E and providing higher capacity pumps, implementing an automatic sequence of operations for the plant, testing and balancing, and commissioning and incidental related work.

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.