This stair section assembly features MC 12"x10.6 steel stringers and landings supporting 1-1/4" by 3/16" flat bar grating treads with a galvanized finish. Six risers at 7 inches maximum and five treads at 11 inches minimum are framed with a slope of 1/8" per 12". The structure is supported by a 2-1/2 inch diameter standard pipe column with a galvanized finish resting on a concrete foundation. A 1-1/4 inch standard pipe guardrail and handrail with horizontal balusters spaced to prevent a 4-inch sphere from passing through is anchored to the stair framing.
2-1/2" DIA. STD. PIPE COLUMN - GALVANIZED FINISH 1" DIA. HORIZONTAL BALUSTER NOT ALLOW 4" SPHERE TO PASS THROUGH 1 1/4" STD. PIPE GUARDRAIL AND HADRAIL. ROUND ALL EDGES, SAND SMOOTH, GALVANIZED FINISH 1 1/4" X 3/16" FLAT BAR GRATING AT LANDING AND TREADS, GALVANIZED FINISH MC 12"X10.6 STRINGERS AND LANDING - GALVANIZED FINISH 1/8" / 12" A401 5 TYP A401 3 TYP A401 4 TYP 6 RISERS @ 7" MAX 3'-3 7/8" 5 TREADS @ 11" MIN 4'-7" 05/010 05/004 05/005 05/026 TYP 6 1/2" 03/007
Members view this detail in full resolution, download the CAD files (SVG, PDF), and can adapt it in the built-in CAD editor — export DXF, DWG, or PDF.
Start membership