OSHA Knockdown Stairway

OSHA Knockdown Stairway

The OSHA SERIES stairway is designed to conform to the Federal OSHA & Cal-OSHA for fixed industrial stairway applications. The 10" deep treads have an adjustable rise between 7 1/4" and 8" with an angle to climb between 37 degrees and 42 degrees. Custom tread widths available.

CATALOG NUMBER ADJ. HEIGHT HORIZONTAL RUN TREAD WIDTH OVERALL WIDTH WEIGHT
EX 7-36
EX 7-42
EX 7-48
EX 8-36
EX 8-42
EX 8-48
EX 9-36
EX 9-42
EX 9-48
EX 10-36
EX 10-42
EX 10-48
EX 11-36
EX 11-42
EX 11-48
EX 12-36
EX 12-42
EX 12-48
EX 13-36
EX 13-42
EX 13-48
EX 14-36
EX 14-42
EX 14-48
EX 15-36
EX 15-42
EX 15-48
EX 16-36
EX 16-42
EX 16-48
EX 17-36
EX 17-42
EX 17-48
EX 18-36
EX 18-42
EX 18-48		 51"
to
56"
58"
to
64"
65"
to
72"
72"
to
80"
80"
to
88"
87"
to
96"
95"
to
104"
102"
to
112"
109"
to
120"
116"
to
128"
124"
to
136"
131"
to
144"		 58"
to
55"
68"
to
64"
77"
to
73"
87"
to
82"
97"
to
91"
106"
to
100"
116"
to
109"
125"
to
118"
135"
to
127"
145"
to
136"
154"
to
145"
164
to
154"		 36"
42"
48"
36"
42"
48"
36"
42"
48"
36"
42"
48"
36"
42"
48"
36"
42"
48"
36"
42"
48"
36"
42"
48"
36"
42"
48"
36"
42"
48"
36"
42"
48"
36"
42"
48"		 41"
47"
53"
41"
47"
53"
41"
47"
53"
41"
47"
53"
41"
47"
53"
41"
47"
53"
41"
47"
53"
41"
47"
53"
41"
47"
53"
41"
47"
53"
41"
47"
53"
41"
47"
53"		 245
262
278
277
296
314
309
330
351
327
364
387
372
398
423
410
438
466
467
497
527
500
533
565
534
569
604
568
605
642
560
595
660
587
622
657