An inspector checks access at the control side of a new residential fuel-gas appliance. Under 2024 IRC M1305.1, what minimum level working-space dimensions must be provided there?
- A18 inches deep by 18 inches wide
- 30 inches deep by 30 inches wide
- C6 inches deep by 6 inches wide
- D24 inches deep by 24 inches wide
Where to look it up
https://shop.iccsafe.org/media/wysiwyg/material/3110S242-Sample.pdf
Why B is correct
M1305.1 requires a level 30-by-30-inch working space in front of the control side. This service-access dimension does not establish a universal combustible-wall clearance around the appliance. See printed p.13-4. Source: ICC, 2024 IRC Code and Commentary Vol.2 public sample, https://shop.iccsafe.org/media/wysiwyg/material/3110S242-Sample.pdf