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// CODE SNIPPET

1607.6 Helipads

Building Code 2021 of Illinois > 16 Structural Design > 1607 Live Loads > 1607.6 Helipads
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Helipads shall be designed for the following live loads:
  1. A uniform live load, L, as specified in Items 1.1 and 1.2. This load shall not be reduced.
    1.1.  40 psf (1.92 kN/m2) where the design basis helicopter has a maximum take-off weight of 3,000 pounds (13.35 kN) or less.
    1.2.  60 psf (2.87 kN/m2) where the design basis helicopter has a maximum take-off weight greater than 3,000 pounds (13.35 kN).
  2. A single concentrated live load, L, of 3,000 pounds (13.35 kN) applied over an area of 4.5 inches by 4.5 inches (114 mm by 114 mm) and located so as to produce the maximum load effects on the structural elements under consideration. The concentrated load is not required to act concurrently with other uniform or concentrated live loads.
  3. Two single concentrated live loads, L, 8 feet (2438 mm) apart applied on the landing pad (representing the helicopter's two main landing gear, whether skid type or wheeled type), each having a magnitude of 0.75 times the maximum take-off weight of the helicopter, and located so as to produce the maximum load effects on the structural elements under consideration. The concentrated loads shall be applied over an area of 8 inches by 8 inches (203 mm by 203 mm) and are not required to act concurrently with other uniform or concentrated live loads.
Landing areas designed for a design basis helicopter with maximum take-off weight of 3,000 pounds (13.35 kN) shall be identified with a 3,000-pound (13.34 kN) weight limitation. The landing area weight limitation shall be indicated by the numeral "3" (kips) located in the bottom right corner of the landing area as viewed from the primary approach path. The indication for the landing area weight limitation shall be a minimum 5 feet (1524 mm) in height.

Related Code Sections


1607.6 Structural Design, Helipads
Helipads shall be designed for the following live loads: A uniform live load, L, as specified in Items 1.1 and 1.2. This load shall not be reduced ...
Building Code 2018 of Illinois > 16 Structural Design > 1607 Live Loads > 1607.6 Helipads
1607.6 Structural Design, Helipads
Helipads shall be designed for the following live loads: A uniform live load, L, as specified in Items 1.1 and 1.2. This load shall not be reduced ...
Building Code 2021 of Illinois > 16 Structural Design > 1607 Live Loads > 1607.6 Helipads
Section 1607 Structural Design, Live Loads
Section 1607.8 16. Handrails, guards and grab bars See Section 1607.9 — 17. Helipads See Section 1607.6 — 18. Hospitals ...
Building Code 2021 of Illinois > 16 Structural Design > 1607 Live Loads
Section 202 Definitions, Definitions
is formed into a screw thread with a uniform defined pitch. [F] HELIPAD. A structural surface that is used for the landing, taking off, taxiing and parking ...
Building Code 2018 of Illinois > 2 Definitions > 202 Definitions
Section 202 Definitions, Definitions
is formed into a screw thread with a uniform defined pitch. [F] HELIPAD. A structural surface that is used for the landing, taking off, taxiing ...
Building Code 2021 of Illinois > 2 Definitions > 202 Definitions
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