Osha Spiral Staircase
General stairs 4 h or w 3 treads and 4 risers require a stair rail stair rail system.
Osha spiral staircase. Spiral ship or alternating tread type stairs are used only when the employer can demonstrate that it is not feasible to provide standard stairs. Riser heights in all uses may range from a minimum of 6 5 inches to 10 5 inches. 1910 25 b 9 when paragraph b 8 of this section allows the use of spiral ship or alternating tread type stairs they are installed used and maintained in accordance with manufacturer s instructions. Railings for industrial spiral staircases have their own specific set of osha rules.
Stairs osha requirements standard stair means a fixed or permanently installed stairway. Allowed tread dimensions vary according to use. 1926 1052 c 3 i. Spiral ship or alternating tread type stairs are used only when the employer can demonstrate that it is not feasible to provide standard stairs.
In addition to osha compliance salter spiral stair provides stairs that are made with durable materials that will hold up in harsh conditions. 1926 1052 c 3 the height of stairrails shall be as follows. Spiral stairway means one with closed circular form uniform sector shaped treads and a supporting column. Ship spiral and alternating tread type stairs are not considered standard stairs.
1910 25 b 9 when paragraph b 8 of this section allows the use of spiral ship or alternating tread type stairs they are installed used and maintained in accordance with manufacturer s instructions. Osha compliant stairs are required to hold up to 300lbs of a concentrated load our spiral stairs have help up to 600lbs at one time. Spiral stairways shall not be permitted except for special limited usage and secondary access situations where it is not practical to provide a conventional stairway. Winding and spiral stairways shall be equipped with a handrail offset sufficiently to prevent walking on those portions of the stairways where the tread width is less than 6 inches 15 cm.