Every shaft, winze, raise or incline, of slope steeper than forty degrees from the horizontal, and deeper than forty feet, through which persons are obliged to travel, shall be equipped with a suitable ladder-way.
A.R.S. § 27-346
Every shaft, winze, raise or incline, of slope steeper than forty degrees from the horizontal, and deeper than forty feet, through which persons are obliged to travel, shall be equipped with a suitable ladder-way.
A.R.S. § 27-346