jar546
Forum Coordinator
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.
- Sleeping lofts are exempt from Section R315 if they meet any of the following conditions:
- 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.