The I48132-G is an all use group compliant IBC prefab steel stairway with closed riser diamond plate treads. It fits an 11'-0" to 11'-5" floor to floor height, with a 17'-10" to 18'-9" horizontal run. Its 48" wide treads are 12" deep, for a 52" nominal overall width. The frame and treads are hot-dipped galvanized.
It has factory welded offset handrails of 1 1/2" x 11 ga. square tubing with standard 12" handrail extensions at the top and bottom, and 42" high guards welded to the stringers with 1/2" square rod vertical pickets on 4" centers. It meets IBC requirements. Please note: a drawing will be emailed to you for your approval prior to fabrication.
IBC Industrial - Internal Handrail 42" guards 36" inboard rails 32° comfort angle, conforms to IBC groups F, H, I, S for industrial/commercial uses to 144"
45 Degree Stair 36" handrail/guard 45° incline Acceptable for all uses up to 48" or for heights to 144" for non-routine travel between levels
32 Degree Stair 36" handrail/guard 32° comfort incline Accceptable for all uses up to 48" or heights to 144" for non-routine travel between levels
IBC stair for all use groups 36" inboard handrails, 42" balusters guards 32° comfort angle, conforms to new OSHA 2017 standard For all stair applications to 144"
45 Degree Aluminum Stairs 36" handrail/guard 45° incline Acceptable for all uses up to 48" or for heights to 144" for non-routine travel between levels
32 Degree Aluminum Stairway 7/11 Rise-Run 36" handrail/guard 32° comfort incline Accceptable for all uses up to 48" or heights to 144" for non-routine travel between levels