| 9.8.3.1. |
Permitted Configurations
(See Notes A-9.8.3.1. and A-9.8.4.)
- Stairs in buildings other than dwelling units and houses with a secondary suite, including their common spaces, shall consist of
- straight flights,
- except as provided in Sentence (4), curved flights, or
- except as provided in Sentence 9.8.4.7.(2), spiral stairs.
- Stairs within dwelling units and houses with a secondary suite, including their common spaces, shall consist of
- straight flights,
- except as provided in Sentence (4), curved flights,
- except as provided in Sentence 9.8.4.7.(2), spiral stairs,
- except as provided in Sentence (3), flights with rectangular treads and winders, or
- flights with a mix of rectangular and tapered treads.
- Only one set of winders described in Article 9.8.4.6. shall be permitted between floor levels.
- Curved flights in exits shall comply with Sentence 3.4.6.9.(2).
- All tapered treads within a flight shall turn in the same direction.
|