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    Michelle Harper

    1.860.527.7011

One Constitution Plaza

  • Site Specifications
    • Property - One Constitution Plaza, Hartford, Connecticut
    • Property Type Office / Retail
    • Land Area - 6.63 acres (entire site)
    • Zoning - (B1)- general business district
    • Assessors Information - Parcel ID # 268-355-025
  • Property Specifications
    • Square Feet - 273,373 s.f.
    • Number of Floors - 20-story building
    • Parking - Serviced by main 1,731-car parking area distributed between two separate, multi-level, cast-in-place concrete parking garages. Multiple capital improvements have been made in the past 10 years including garage access system upgrades, closed circuit television security equipment, garage expansion joint and membrane repairs, and vestibules added in the North Garage.
    • Year Constructed - 1962
    • Structural Frame - Steel columns, beams and truss joints supporting open-web steel floor joists with steel decking and concrete topping and open-web steel roof joists with steel and concrete roof decking.
    • Exterior Finish - Primary exterior materials consist of vertically oriented glazed curtain walls, pre-cast concrete accents and metal panels. The principal facades have reflective glass set in a grid framework accented by narrow pre-cast concrete ribs. The exterior doors consist of high-quality, aluminum and glass doors accessing the lobbies and tenant spaces. The glazed curtain walls, storefronts and fixed windows were replaced and upgraded in 1998.
    • Interior Finish - Lobby finishes include wood panels, stone flooring and bases, cove ceiling and accent lighting. Office finishes include acoustic ceiling tile, vinyl wall coverings and painted GWB, and a mix of flooring including high-quality carpet, wood, and ceramic tile.
    • Roof - Stone gravel/ballast over fleece mat. 1-1/2” extruded polystyrene; 4-ply built-up roof membrane; concrete deck.
    • Loading - There are numerous loading docks distributed around the perimeter of the complex. It has graded loading dock entries to provide tailgate height access with dock bumpers and seals.
    • Utilities - Electric: Connecticut Light & Power
      Gas/Oil: Connecticut Natural Gas
      Water & Sewer: Metro District Commission

     

  • Building Systems
    • Electrical System - 4,000-amp, 3-phase, 4-wire, 277/480-volt main. A 219 KVA (175-KW) diesel-fired emergency generator with a selfcontained fuel-storage tank is located in the mechanical penthouse of One Constitution.
      Dedicated incoming service at Central Plant: 3,000-amp, 3-phase, 4-wire, 277/480-volt main feeding the main distribution panels.
    • HVAC System - Central Plant: Three 700-ton centrifugal-type electric-fired chillers, One 250-ton screw-type electric-fired chiller, Three 14,288,100 BTU/hr gas-fired steam boilers, One plate-type heat exchange unit, Four condenser water pumps (75 and 50 HP), Three chilled-water pumps (100 HP), Four suction pumps (associated with chiller units), three-cell rooftop-mounted cooling towers.
      One Constitutional Plaza: Two heat exchange units (with back-up), two 264-GPM hot water circulation pumps, Two 15-HP hot water circulation pumps, Two 75-HP chilled water circulation pumps, steam pressure-reducer valves, numerous air-handler units (ranging in capacity from 29,000 to 52,000 CFM), numerous VAV boxes.
    • Plumbing - Supply piping: copper. Waste lines: cast iron. Plumbing fixtures: vitreous china with chrome fittings. Individual electric hot water heater on each floor. Sewage ejector pits with dual pumps are located in the basement and cold and hot domestic water pumps are used to distribute water throughout the building. Welded and threaded black iron pipe is used for gas piping.
    • Fire / Life Safety - Multiple-zone fire alarm control panels, auto dialers, hard-wired smoke detectors, pull stations and full-coverage, wet and dry (at garages) sprinkler systems with check valves and tamper and flow switches. 750-GPM diesel-fired fire pumps (2 total) augment the sprinkler systems at One and 100 Constitution Plaza.
    • Elevators - Six 3,000-lb capacity, overhead-traction passenger elevators. Two 3,000-lb capacity hydraulic passenger elevators. One 3,500-lb capacity, hydraulic freight elevator.
  • Recent Capital Improvements

    Asbestos abatement & re-fireproofing. | New glass curtain wall. | Building fire sprinkler system. | Main lobby renovation. | Elevator upgrades including new | cab interiors and controls. | HVAC upgrades including new fans & pumps with VFD’s and DDC Controls. | Tenant build-outs including elevator lobbies and bathrooms. | Exterior upgrades including sidewalks, landscaping and handicap ramp. | Parking garage membrane & expansion joints and lighting upgrades.

100 Constitution Plaza

  • Site Specifications
    • Property - 100 Constitution Plaza Hartford, Connecticut
    • Property Type - Office / Retail
    • Land Area - 6.63 acres (entire site)
    • Zoning - (B1)- general business district
    • Assessors Information - Parcel ID # 268-355-025
  • Property Specifications
    • Square Feet - 221,242 s.f.
    • Number of Floors - 18-story building
    • Parking - Serviced by main 1,731-car parking area distributed between two separate, multi-level, cast-in-place concrete parking garages. Multiple capital improvements have been made in the past 10 years including garage access system upgrades, closed circuit television security equipment, garage expansion joint and membrane repairs, and vestibules added in the North Garage.
    • Year Constructed - 1962
    • Structural Frame - Steel columns, beams and truss joints supporting open-web steel floor joists with steel decking and concrete topping and open-web steel roof joists with steel and concrete roof decking.
    • Exterior Finish - Primary exterior materials consist of vertically oriented glazed curtain walls, steel accents and metal and stone panels. Exterior doors are high-quality aluminum and glass doors accessing the lobbies and tenant spaces. The glazed curtain walls, storefronts and fixed windows were replaced and upgraded in 2001.
    • Interior Finish - Lobby finishes include wood panels, stone flooring and bases, cove ceiling and accent lighting. Office finishes include acoustic ceiling tile, vinyl wall coverings and painted GWB, and a mix of flooring including high-quality carpet, wood, and ceramic tile.
    • Roof - Granular surface. 2” extruded polystyrene membrane; Built-up roof membrane; concrete deck.
    • Loading - There are numerous loading docks distributed around the perimeter of the complex. It has graded loading dock entries to provide tailgate height access with dock bumpers and seals.
    • Utilities - Electric: Connecticut Light & Power.
      Gas/Oil: Connecticut Natural Gas.
      Water & Sewer: Metro District Commission.
  • Building Systems
    • Electrical System 2,000-amp, 3-phase, 4-wire, 277/480-volt main. A 187.5-KVA (150-KW) diesel-fired emergency generator with a 300-gallon fuel-storage tank is located in a dedicated emergency generator room at the basement.
    • HVAC System Central Plant: Three 700-ton centrifugal-type electric-fired chillers, One 250-ton screw-type electric-fired chiller, Three 14,288,100 BTU/hr gas-fired steam boilers, One plate-type heat exchange unit, Four condenser water pumps (75 and 50 HP), Three chilled-water pumps (100 HP), Four suction pumps (associated with chiller units), three-cell rooftop-mounted cooling towers.
      100 Constitution Plaza: Three 25-HP hot water circulation pumps, Two 50-HP chilled water circulation pumps, steam pressure-reducer valves, numerous air-handler units (ranging in capacity from 3,000 to 46,800 CFM), numerous VAV boxes.
    • Plumbing - Supply piping: copper. Waste lines: cast iron. Plumbing fixtures: vitreous china with chrome fittings. The Constitution Plaza portfolio features a combination of electric and steam-fired hot water heaters. Sewage ejector pits with dual pumps are located in the basement and cold and hot domestic water pumps are used to distribute water throughout the building. Welded and threaded black iron pipe is used for gas piping.
    • Fire / Life Safety - Multiple-zone fire alarm control panels, auto dialers, hard-wired smoke detectors, pull stations and full-coverage, wet and dry (at garages) sprinkler systems with check valves and tamper and flow switches. 750-GPM diesel-fired fire pumps (2 total) augment the sprinkler systems at One and 100 Constitution Plaza.
    • Elevators - Six 3,000-lb capacity, overhead-traction passenger elevators.
  • Recent Capital Improvements

    Asbestos abatement & re-fireproofing. | New glass curtain wall. | Building fire sprinkler system. | Main lobby renovation. | Elevator upgrades including new cab interiors and controls. | HVAC upgrades including new fans & pumps with VFD’s and DDC Controls. | Tenant build-outs including elevator lobbies and bathrooms. | Exterior upgrades including sidewalks, landscaping and handicap ramp. | Parking garage membrane & expansion joints and lighting upgrades.

260 Constitution Plaza

  • Site Specifications
    • Property - 260 Constitution Plaza Hartford, Connecticut
    • Property Type - Office / Retail
    • Land Area - 6.63 acres (entire site)
    • Zoning - (B1)- general business district
    • Assessors Information - Parcel ID # 268-355-025
  • Property Specifications
    • Square Feet - 83,786 s.f.
    • Number of Floors - 2-story building
    • Parking - Serviced by main 1,731-car parking area distributed between two separate, multi-level, cast-in-place concrete parking garages. Multiple capital improvements have been made in the past 10 years including garage access system upgrades, closed circuit television security equipment, garage expansion joint and membrane repairs, and vestibules added in the North Garage.
    • Year Constructed - 1962
    • Structural Frame - Combination of steel and cast-in-place concrete structure (columns, beams, floor and roof decking).
    • Exterior Finish - Primary exterior materials consist of textured pre-cast concrete panels, stone veneer, glazed brick and aluminumframed glass curtain walls. Exterior doors consist of high-quality, aluminum and glass doors accessing the lobbies and tenant spaces.
    • Interior Finish - Lobby finishes include glass exterior entry featuring granite floors, wood paneling and soft lighting. Office finishes include acoustic ceiling tile, vinyl wall coverings and painted GWB, and a mix of flooring including high-quality carpet, wood, and ceramic tile.
    • Roof - Southern Half: sand surface with sealer; 1-1/2” spray-on foam atop original roof composition (minus ballast).
      Northern Half: mechanically fastened rubber EPDM membrane.
      Both roofs updated in 2006.
    • Loading - There are numerous loading docks distributed around the perimeter of the complex. It has graded loading dock entries to provide tailgate height access with dock bumpers and seals.
    • Utilities Electric: Connecticut Light & Power
      Gas/Oil: Connecticut Natural Gas
      Water & Sewer: Metro District Commission
  • Building Systems
    • Electrical System - 1,600-amp, 500-amp, 3-phase, 4-wire, 277/480-volt main.
    • HVAC System - Central Plant: Three 700-ton centrifugal-type electric-fired chillers, One 250-ton screw-type electric-fired chiller, Three 14,288,100 BTU/hr gas-fired steam boilers, One plate-type heat exchange unit, Four condenser water pumps (75 and 50 HP), Three chilled-water pumps (100 HP), Four suction pumps (associated with chiller units), three-cell rooftopmounted cooling towers.
      260 Constitution Plaza: five air-handling units of different sizes distributed through 260 Constitution Plaza.
    • Plumbing - Supply piping: copper. Waste lines: cast iron. Plumbing fixtures: vitreous china with chrome fittings. The Constitution Plaza portfolio features a combination of electric and steam-fired hot water heaters. Sewage ejector pits with dual pumps are located in the basement and cold and hot domestic water pumps are used to distribute water throughout the building. Welded and threaded black iron pipe is used for gas piping.
    • Fire / Life Safety - Multiple-zone fire alarm control panels, auto dialers, hard-wired smoke detectors, pull stations and full-coverage, wet and dry (at garages) sprinkler systems with check valves and tamper and flow switches.
    • Elevators - Two 3,000-lb capacity, hydraulic passenger elevators. One 4,000-lb, hydraulic passenger elevator. One hydraulic passenger elevator (non-functioning/decommissioned).
  • Recent Capital Improvements

    Roof upgraded in June 2006. | Asbestos abatement & re-fireproofing. | Building fire sprinkler system. | Main lobby renovation. | Elevator upgrades including new cab interiors and controls. | HVAC upgrades including new fans & pumps with VFD’s and DDC Controls. | Tenant build-outs including elevator lobbies and bathrooms. | Exterior upgrades including sidewalks, landscaping and handicap ramp. | Parking garage membrane & expansion joints and lighting upgrades.

250 Constitution Plaza

  • Site Specifications
    • Property 250 Constitution Plaza Hartford, Connecticut
    • Property Type Office / Retail
    • Land Area 6.63 acres (entire site)
    • Zoning (B1)- general business district
    • Assessors Information Parcel ID # 268-355-025
  • Property Specifications
    • Square Feet - 64,680 s.f.
    • Number of Floors - 6-story building
    • Parking - Serviced by main 1,731-car parking area distributed between two separate, multi-level, cast-in-place concrete parking garages. Multiple capital improvements have been made in the past 10 years including garage access system upgrades, closed circuit television security equipment, garage expansion joint and membrane repairs, and vestibules added in the North Garage.
    • Year Constructed - 1962
    • Structural Frame - Combination of steel and cast-in-place concrete structure (columns, beams, floor and roof decking).
    • Exterior Finish - Primary exterior materials consist of a combination of pre-cast and cast-in-place concrete and glazed storefront. Exterior doors are high-quality, aluminum and glass doors accessing lobbies and tenant spaces.
    • Interior Finish - Lobby finishes include wood panels, stone flooring and bases, cove ceiling and accent lighting. Office finishes include acoustic ceiling tile, vinyl wall coverings and painted GWB, and a mix of flooring including high-quality carpet, wood, and ceramic tile.
    • Roof - Upper Roof: Gravel surface; 4-ply coal-tar pitch membrane
      Lower Roof/Deck: Concrete pavers and ballast; Extruded polystyrene insulation; 4-ply built-up membrane; concrete deck.
    • Loading - There are numerous loading docks distributed around the perimeter of the complex. It has graded loading dock entries to provide tailgate height access with dock bumpers and seals.
    • Utilities Electric: Connecticut Light & Power
      Gas/Oil: Connecticut Natural Gas
      Water & Sewer: Metro District Commission.
  • Building Systems
    • Electrical System - 1,600-amp, 500-amp, 3-phase, 4-wire, 277/480-volt main.
    • HVAC System - Central Plant: Three 700-ton centrifugal-type electric-fired chillers, One 250-ton screw-type electric-fired chiller, Three 14,288,100 BTU/hr gas-fired steam boilers, One plate-type heat exchange unit, Four condenser water pumps (75 and 50 HP), Three chilled-water pumps (100 HP), Four suction pumps (associated with chiller units), three-cell rooftopmounted cooling towers.
      250 Constitution Plaza: two 5-HP hot water circulation pumps, five 3/4-HP hot water circulation pumps, one central air-handling unit.
    • Plumbing - Supply piping: copper. Waste lines: cast iron. Plumbing fixtures: vitreous china with chrome fittings. The Constitution Plaza portfolio features a combination of electric and steam-fired hot water heaters. Sewage ejector pits with dual pumps are located in the basement and cold and hot domestic water pumps are used to distribute water throughout the building. Welded and threaded black iron pipe is used for gas piping. 250 CP features a combination steam/electricfired, 126,000 BTU, 250-gallon central hot water heater.
    • Fire / Life Safety - Multiple-zone fire alarm control panels, auto dialers, hard-wired smoke detectors, pull stations and full-coverage, wet and dry (at garages) sprinkler systems with check valves and tamper and flow switches.
    • Elevators - Three 2,500-lb capacity, hydraulic passenger elevators.
  • Recent Capital Improvements

    Asbestos abatement & re-fireproofing. | Building fire sprinkler system. | Main lobby renovation. | Elevator upgrades including new cab interiors and controls. | HVAC upgrades including new fans & pumps with VFD’s and DDC Controls. | Tenant build-outs including elevator lobbies and bathrooms. | Exterior upgrades including sidewalks, landscaping and handicap ramp. | Parking garage membrane & expansion joints and lighting upgrades.

248 Constitution Plaza

  • Site Specifications
    • Property - 248 Constitution Plaza Hartford, Connecticut
    • Property Type - Office / Retail
    • Land Area - 6.63 acres (entire site)
    • Zoning - (B1)- general business district
    • Assessors Information - Parcel ID # 268-355-025

     

  • Property Specifications
    • Square Feet - 14,746 s.f.
    • Number of Floors - 2-story building
    • Parking - Serviced by main 1,731-car parking area distributed between two separate, multi-level, cast-in-place concrete parking garages. Multiple capital improvements have been made in the past 10 years including garage access system upgrades, closed circuit television security equipment, garage expansion joint and membrane repairs, and vestibules added in the North Garage.
    • Year Constructed - 1962
    • Structural Frame - Combination of steel and cast-in-place concrete structure (columns, beams, floor and roof decking).
    • Exterior Finish - Primary exterior materials consist of a combination of pre-cast and cast-in-place concrete and glazed storefront. Exterior doors are high-quality, aluminum and glass doors accessing lobbies and tenant spaces.
    • Interior Finish - Lobby finishes include wood panels, stone flooring and bases, cove ceiling and accent lighting. Office finishes include acoustic ceiling tile, vinyl wall coverings and painted GWB, and a mix of flooring including high-quality carpet, wood, and ceramic tile.
    • Roof - Gravel surface, 4ply coal-tar pitch membrane, 3/4” fiberglass insulation, concrete deck.
    • Loading - There are numerous loading docks distributed around the perimeter of the complex. It has graded loading dock entries to provide tailgate height access with dock bumpers and seals.
    • Utilities Electric: Connecticut Light & Power
      Gas/Oil: Connecticut Natural Gas
      Water & Sewer: Metro District Commission.
  • Building Systems
    • Electrical System - 500-amp, 3-phase, 4-wire, 277/480-volt service fed off a separate 3,000-amp main.
    • HVAC System - Central Plant: Three 700-ton centrifugal-type electric-fired chillers, One 250-ton screw-type electric-fired chiller, Three 14,288,100 BTU/hr gas-fired steam boilers, One plate-type heat exchange unit, Four condenser water pumps (75 and 50 HP), Three chilled-water pumps (100 HP), Four suction pumps (associated with chiller units), three-cell rooftop-mounted cooling towers.
    • Plumbing - Supply piping: copper. Waste lines: cast iron. Plumbing fixtures: vitreous china with chrome fittings. The Constitution Plaza portfolio features a combination of electric and steam-fired hot water heaters. Sewage ejector pits with dual pumps are located in the basement and cold and hot domestic water pumps are used to distribute water throughout the building. Welded and threaded black iron pipe is used for gas piping.
    • Fire / Life Safety - Multiple-zone fire alarm control panels, auto dialers, hard-wired smoke detectors, pull stations and full-coverage, wet and dry (at garages) sprinkler systems with check valves and tamper and flow switches.
    • Elevators - One 4,000-lb, capacity, hydraulic freight elevator
  • Recent Capital Improvements

    Building fire sprinkler system. | Exterior upgrades including sidewalks, landscaping and handicap ramp. | Parking garage membrane & expansion joints and lighting upgrades.

10 Constitution Plaza

  • Site Specifications
    • Property - 10 Constitution Plaza Hartford, Connecticut
    • Property Type - Office / Retail
    • Land Area - 6.63 acres (entire site)
    • Zoning - (B1)- general business district
    • Assessors Information - Parcel ID # 268-355-025

     

  • Property Specifications
    • Square Feet - 6,471 s.f.
    • Number of Floors - 1-story building
    • Parking - Serviced by main 1,731-car parking area distributed between two separate, multi-level, cast-in-place concrete parking garages. Multiple capital improvements have been made in the past 10 years including garage access system upgrades, closed circuit television security equipment, garage expansion joint and membrane repairs, and vestibules added in the North Garage.
    • Year Constructed - 1962
    • Structural Frame - Steel columns, beams and truss joints supporting open-web steel floor joists with steel decking and concrete topping and open-web steel roof joists with steel and concrete roof decking.
    • Exterior Finish - Primary exterior materials consist of glazed curtain walls, pre-cast concrete panels and ceramic tiles. The one-story, pavilion-like building sits atop a concrete base and features glazed window walls along its primary elevations. Exterior doors consist of commercial-grade, aluminium and glass doors.
    • Roof - New EPDM rubber membrane. 3/4” fiberglass insulation, built-up roof membrane, concrete deck
    • Loading - There are numerous loading docks distributed around the perimeter of the complex. It has graded loading dock entries to provide tailgate height access with dock bumpers and seals.
    • Utilities Electric: Connecticut Light & Power
      Gas/Oil: Connecticut Natural Gas
      Water & Sewer: Metro District Commission.
  • Building Systems
    • Electrical System c600-amp, 3-phase, 4-wire, 277/480-volt main, feeding the main distribution panel.
      Dedicated incoming service at Central Plant: 3,000-amp, 3-phase, 4-wire, 277/480-volt main feeding the main distribution panels.
    • HVAC System - Central Plant: Three 700-ton centrifugal-type electric-fired chillers, One 250-ton screw-type electric-fired chiller, Three 14,288,100 BTU/hr gas-fired steam boilers, One plate-type heat exchange unit, Four condenser water pumps (75 and 50 HP), Three chilled-water pumps (100 HP), Four suction pumps (associated with chiller units), three-cell rooftop-mounted cooling towers.
    • Plumbing - Supply piping: copper. Waste lines: cast iron. Plumbing fixtures: vitreous china with chrome fittings. Gas-fired, 80 gallon central hot water heater that serves the whole building. Sewage ejector pits with dual pumps are located in the basement and cold and hot domestic water pumps are used to distribute water throughout the building. Welded and threaded black iron pipe is used for gas piping.
    • Fire / Life Safety - Multiple-zone fire alarm control panels, auto dialers, hard-wired smoke detectors and pull stations. The sprinkler system is pre-action.
    • Elevators - None
  • Recent Capital Improvements

    EPDM rubber membrane roof. | Building fire sprinkler system. | Exterior upgrades including sidewalks, landscaping and handicap ramp. | Parking garage membrane & expansion joints and lighting upgrades.