Sleeping Lofts - A Brand New Section in the International Residential Code (IRC)

[jar546]

The new code section "SECTION R315 SLEEPING LOFTS" in the International Residential Code outlines the requirements for sleeping lofts in dwelling units and sleeping units. This summary provides a concise overview of the key points covered in this section.

• Definition and Scope:
  • Sleeping lofts provided in dwelling units or sleeping units must comply with the code as modified by Sections R315.2 through R315.5.
  • Sleeping lofts constructed per this section are considered part of the story below and do not contribute to the number of stories.
• Exceptions:
  • Sleeping lofts are exempt from Section R315 if they meet any of the following conditions:
    • Depth is less than 3 feet (914 mm).
    • Floor area is less than 35 square feet (3.3 m²).
    • No permanent means of egress is provided.
• Limitations:
  • Floor area must be less than 70 square feet (6.5 m²).
  • Ceiling height cannot exceed 7 feet (2134 mm) for more than half of the floor area.
• Ceiling Height and Floor Area:
  • Clear height below the sleeping loft floor must be at least 7 feet (2134 mm).
  • Ceiling height above the finished floor of the sleeping loft must be at least 3 feet (914 mm).
  • Spaces with sloped ceilings under 3 feet (914 mm) do not contribute to the sleeping loft floor area.
• Egress Requirements:
  • A permanent means of egress must be provided for sleeping lofts, complying with Section R318 and Sections R315.5.1 through R315.5.3.
  • Ceiling height for the entire width of the egress path must be at least 3 feet (914 mm).
  • Stairways providing egress must meet specific width, tread, riser, and landing requirements.
  • Ladders used as egress must have specific rung width, spacing, load capacity, and incline requirements.

 

[e hilton]

Exempt if no permanent means of egress, but PMOE must be provided …

 

[bill1952]

Less than 35 SF is exempt from PMOE is the way I read it. >35 up to 70 SF requires PMOE.