| IBC STAIR SPECS
40" Width, 36" Wide Tread
7" Closed, Sloped Riser, 11" Tread
42" High Guardrail - Both Sides
34" High Handrail - Both Sides
Handrail Extension - Both Sides,
Top and Bottom
|
UBC STAIR SPECS
40" Width, 36" Wide Tread
7" Open Riser, 11" Tread
34" High Guardrail - Both Sides
Handrail Extension - One Side,
Top and Bottom
|
OSHA STAIR SPECS
37" Overall Width, 33" Wide Tread
8" Open Riser, 9" Tread
34" High Guardrail - Both Sides
|