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// CODE SNIPPET

304.3.1.2 Permanent Ladders

Uniform Mechanical Code 2018 of Nevada > 3 General Regulations > 304.0 Accessibility for Service > 304.3 Access to Appliances on Roofs > 304.3.1 Access > 304.3.1.2 Permanent Ladders
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Permanent ladders required by Section 304.3.1.1 shall be constructed in accordance with the following:
  1. Side railings shall extend not less than 30 inches (762 mm) above the roof or parapet wall.
  2. Landings shall not exceed 18 feet (5486 mm) apart measured from the finished grade.
  3. Width shall be not less than 14 inches (356 mm) on center.
  4. Rungs spacing shall not exceed 12 inches (305 mm) on center, and each rung shall be capable of supporting a 300 pound (136.1 kg) load.
  5. Toe space shall be not less than 6 inches (152 mm).

Related Code Sections


304.3.1.2 General Regulations, Permanent Ladders
Permanent ladders required by Section 304.3.1.1 shall be constructed in accordance with the following: Side railings shall extend not less than 30 ...
Uniform Mechanical Code 2018 of Nevada > 3 General Regulations > 304.0 Accessibility for Service > 304.3 Access to Appliances on Roofs > 304.3.1 Access > 304.3.1.2 Permanent Ladders
(A) Wiring Methods and Materials, Accessible by Stairway or Permanent Ladder
Conductors shall be installed along the side of or through bored holes in floor joists, studs, or rafters. Where run through bored holes, conductors ...
National Electrical Code 2017 of Nevada > 3 Wiring Methods and Materials > 394 Concealed Knob-And-Tube Wiring > 394.23 In Accessible Attics > (A) Accessible by Stairway or Permanent Ladder
(A) Wiring Methods and Materials, Accessible by Stairway or Permanent Ladder
Conductors shall be installed along the side of or through bored holes in floor joists, studs, or rafters. Where run through bored holes, conductors ...
National Electrical Code 2017 of Nevada > 3 Wiring Methods and Materials > 398 Open Wiring on Insulators > 398.23 In Accessible Attics > (A) Accessible by Stairway or Permanent Ladder
1011.16 Means of Egress, Ladders
Permanent ladders shall not serve as a part of the means of egress from occupied spaces within a building. Permanent ladders shall be constructed ...
Building Code 2018 of Nevada > 10 Means of Egress > 1011 Stairways > 1011.16 Ladders
410.5.3.4 Special Detailed Requirements Based on Occupancy and Use, Path of Egress Travel
Catwalks. Alternating tread devices . Permanent ladders ...
Building Code 2018 of Nevada > 4 Special Detailed Requirements Based on Occupancy and Use > 410 Stages, Platforms and Technical Production Areas > 410.5 Means of Egress > 410.5.3 Technical Production Areas > 410.5.3.4 Path of Egress Travel
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