Building Information

Building Information

Architects: Mies Van der Rohe and Phillip Johnson (Original Design)

Building Square Feet: 859,433 sf

Number of Floors: 38 + sub levels

Floor Sizes: 15,700 to 39,100

Slab Heights: 12’ 6”

Elevators: 375 Park Avenue is equipped with 17 passenger cars, 1 freight car and 1 garage elevator car (between Central Parking Garage and lobby).

Windows: Windows span from floor to finish ceiling height. Low profile induction units provide for more visibility.

Tenant access is 24 hours a day, 7 days per week.

Parking: Central Parking is open 24 hours a day 7 days a week and has the capacity to hold up to 150 vehicles & 15 bikes.

  • Electric car charging available

Available Tenant Specific Infrastructure

2,500 kW generator on main roof, with a 250 gallon day tank

2,500 kW generator on 39th floor, with a 250 gallon day tank:

  • Combined generators provide 11.4 watts/RSF (350,000 RSF) @80%
  • Space available for additional generator capacity, if required

(2) – 4,500 gallon fuel tanks on basement level

(1) – 450 ton glycol condenser system located on main roof

Forty (40) tons supplemental water per floor. Additional available upon request

ASCO switches:

  • 6 – 1,200 Amps
  • 2 – 400 Amps
  • 1 – 200 Amps

UPS: 4 @ 1,000 Amps located on “A” Level. The UPS systems are redundant to each other

Building Infrastructure

Floor Loads: Sub cellar, 100 lbs/ft; Cellar, 100 to 175 lbs/ft; 1st floor, 100 lbs/ft; Mezzanine, 100 lbs/ft; 2nd floor, 100 ‐ 120 lbs/ft; 3rd floor, 100 lbs/ft; Floors 4 – 38, 50lbs/ft. Roof Bulkhead (Lower and Upper Level) 40 & 150 lbs/ft

Main cooling tower – 5,400 tons

Lower cooling tower – 400 tons

Steam chillers – 2 @ 1,600 tons

Electric chiller – 1 @ 350 tons

Electric Capacity:

  • 4 – 4,000 Amp services, 3 phase/480V
  • Minimum 6 w/SF Demand
  • 2014 PowerCon survey indicates up to 11.75 watts/SF can be committed. Additional available from utility with appropriate load letter

Buss Ducts: 2 – TM (3000A); HB2 (2,000A)

Max Recorded Loads: TM – 1,434 Amps (60%), includes max WF load of 300 Amps

Max Recorded Load: HB2 – 696 Amps (36%)

Recent Capital Improvements

Elevator modification: completed in 2010

Hot/cold deck conversion: completed in 2014

Cooling towers: new 400 ton unit installed in 2016

Ddc controls: installed along the perimeter with new leases

Luminous ceilings: restored and converted to led with new leases

Completed building façade and exterior restoration 2017

High-efficiency induction units installation: completed in 2016 on south & west facades

Energy efficiency results:

  • Max peak demand lowered by 855kw since 2012/13
  • Equates to an additional 2.25 watts/sf over 350,000 rsf

Heating: Interior and perimeter fans are equipped with Con Ed steam supplied reheat and preheat coils as well as secondary hot water that is circulated to perimeter Induction units with perimeter supplied ventilation. Southern and Western induction units were upgraded in 2016 to increase efficiency. All HVAC is controlled and monitored via the Building Management System.

Supplemental Cooling: There is an allowance of 25 tons of supplemental cooling capacity for each floor.