48 above-grade floors
3 below-grade floors
Square Footage
2.1 million rentable square feet
  • Penthouse Floors (47-48):
  • Tower Floors (8-46):
  • Podium Floors (2-7):
17,000 rsf each (approx.)
40,000 rsf each (approx.)
76,000 rsf each (approx.)
2016 (commenced)
Harrison, Abramovitz & Harris (original)
Pei Cobb Freed (redevelopment)
Ceiling Heights
Typical Slab-to-Slab:

Unique Slab-to-Slab:
47th and 48th Floor:
34th Floor:
2nd Floor:
Concourse Level 1:

Typical Finished Ceiling Height:
11' 10"

16' 0"
13' 0"
14' 0"
16' 0"

9' 0"
8' 6"
Window Mullion Spacing
Tower Floors (8-46):
Podium Floors (2-7):
4' 8"
9' 4"
Floor Load Capacity
50 -100 pounds per square foot, live load. Higher capacity can be achieved through reinforcement
Vertical Transportation
  • 30 passenger elevators
  • 2 private elevators between the 46th and 48th floors
  • 3 freight elevators (6,000 pound capacity and 14’ maximum height)
  • 4 escalators
Interior HVAC is supplied via a central base building HVAC system. Perimeter HVAC will be supplied via new, high-efficiency fan-coil units to be installed as part of the building renovations.
Chilled Water
The building has two, eight-inch chilled water risers, each with a capacity of 910 tons. Chilled water is available 24/7/365.
HVAC Hours
Monday–Friday 8 AM to 6 PM, except for holidays.
Six watts demand load per usable square foot, exclusive of base- building HVAC.
Four points of entry
Meet-me room with carrier infrastructure
Diverse paths from meet-me room to tenant spaces
Multiple telecommunications carriers
WiredNYC-Platinum certified
LEED-Silver certified
LEED-Gold NC (New Construction) & Major Renovations V.3.0 anticipated upon completion of renovations
Access & Security
The building can be accessed 24 hours per day, 365 days per year. There are security personnel at the building 24 hours per day, including interior and exterior security patrols.
Scope of Renovations
  • New high performance double-glazed curtain wall system increasing overall vision glass by approximately 60%
Lobby and Entrances:
  • Installation of prominent new breezeway entry on Sixth Avenue
  • Reconfiguration of existing entrances, reception desks, and lobby circulation to improve flow, presence and functionality
  • Restoration of all lobby features including the Copacabana-patterned terrazzo floor and art created by Josef Albers and Fritz Glarner
  • Installation of high-tech security system
  • Replacement and extension to curbside of 1271’s distinctive Copacabana- patterned paving on the plazas
  • Redesign of hardscape and landscape to allow for a more user-friendly experience including transforming seating areas, fountains, and pedestrian circulation
Mechanical Systems:
  • New high-performance recirculating fan-coil units
  • New base-building HVAC fans
  • Modernized elevators, with destination dispatch control systems in passenger elevators and renovated cab interiors in passenger and freight elevators
  • Upgraded Building Management System control