ARFF Heating and Vehicle Exhaust Upgrades at Baltimore/Washington International Thurgood Marshall Airport

For ARFF Heating and Vehicle Exhaust Upgrades at Baltimore/Washington International Thurgood Marshall Airport The work under this Contract is comprised of the following items: Remove the existing vehicle exhaust systems within the EMS and Fire Apparatus Bays and replace them with self-contained, circulating exhaust filtering and removal equipment. Provide gas-fired radiant heaters to the EMS and Fire Apparatus Bays. The addition of the radiant heaters will also include an upgrade to the existing incoming BGE gas meter assembly. Provide power upgrades including but not limited to transformers, panelboards, disconnects, motor starters, wiring and conduit to accommodate the heating and exhaust equipment as well as lighting fixture replacements within the EMS and Fire Apparatus bays. Remove existing sidewall sprinkler heads at overhead doors and replace with high temperature heads to accommodate NFPA compliant installation of proposed gas-fired radiant heaters. An Add Alternate has been included for upgrades to the existing BAS controls to monitor the run times, status, and temperature setpoints for the proposed equipment. Provide a new SNE in the Mechanical Equipment Room and tie in to Metasys via IP connection from the existing ARFF network switch. The base bid will include all factory controls for the heaters and exhaust equipment to allow operation as shown on the contract drawings. The contractor shall engage a dedicated commissioning coordinator (CxC) to oversee the activites of the subcontractor staff and manage the overall contractor activities associated with the commissioning process. The Contractor's commissioning coordinator shall perform the duties identified in Specification Section 01 91 13 - General Commissioning Requirements. Project Cost Class C - $500,000 to $1,000,000 *The value for this project is based on a financial range. The value is listed as the highest possible cost from the range provided by a stakeholder or official project document. VSBE Participation (%) 1.0 MBE Participation (%) 21.0

Division 03 -	Concrete, Concrete Forming, Cast-in-Place Concrete, Precast Concrete.
Division 04 -	Masonry, Unit Masonry.
Division 05 -	Metals, Structural Metal Framing.
Division 06 -	Wood, Plastics, and Composites.
Division 07 -	Thermal and Moisture Protection, Dampproofing and Waterproofing, Thermal Protection, Weather Barriers.
Division 08 -	Openings, Doors and Frames, Coiling Doors and Grilles, Entrances and Storefronts, Windows, Special Function Windows, Security Windows, Access Control Hardware, Louvers and Vents.
Division 09 -	Finishes, Plaster and Gypsum Board, Tiling, Ceilings, Resilient Flooring, Carpeting, Acoustic Treatment, Painting.
Division 10 -	Specialties, Visual Display Units, Directories, Signage, Telephone Specialties, Compartments and Cubicles, Toilet Compartments, Emergency Aid Specialties, Fire Protection Specialties, Fire Protection Cabinets, Fire Extinguishers, Lockers, Storage Assemblies, Protective Covers, Flagpoles, Pest Control Devices, Flags and Banners, Security Mirrors and Domes.
Division 11 -	Equipment, Loading Dock Equipment, Loading Dock Bumpers, Stationary Loading Dock Equipment, Portable Dock Equipment, Loading Dock Lights, Foodservice Equipment, Foodservice Storage Equipment, Food Preparation Equipment, Food Cooking Equipment, Food Dispensing Equipment, Ice Machines, Cleaning and Disposal Equipment.
Division 12 -	Furnishings, Art, Casework, Seating.
Division 14 -	Conveying Equipment.
Division 21 -	Fire Suppression, Instrumentation and Control for Fire-Suppression Systems, Fire-Extinguishing Systems.
Division 22 -	Plumbing, Instrumentation and Control for Plumbing, Plumbing Piping, Plumbing Equipment, Plumbing Fixtures, Drinking Fountains and Water Coolers.
Division 23 -	Heating, Ventilating, and Air Conditioning (HVAC), Instrumentation and Control for HVAC.
Division 25 -	Integrated Automation.
Division 26 -	Electrical, Instrumentation and Control for Electrical Systems, Packaged Generator Assemblies, Engine Generators, Interior Lighting, Emergency Lighting, Exit Signs, Exterior Lighting, Lighting Poles and Standards, Parking Lighting, Site Lighting, Walkway Lighting, Flood Lighting.
Division 27 -	Communications, Structured Cabling, Data Communications, Voice Communications, Audio-Video Communications, Distributed Audio-Video Communications Systems, Paging Systems, Public Address Systems, Intercommunications and Program Systems.
Division 28 -	Electronic Safety and Security.
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, Paving Specialties, Parking Bumpers, Speed Bumps, Pavement Markings, Tactile Warning Surfacing, Fences and Gates.
Division 33 -	Utilities, Water Utilities, Sanitary Sewerage Utilities, Storm Drainage Utilities.
Division 41 -	Material Processing and Handling Equipment, Conveyors.