FS Industries ENGINEERED STEEL PRODUCTS
Priced Full Line Products Catalog
PO Box 72659 Providence, RI 02907
Toll free:(800) 421-0314 • In RI:(401) 421-0314 • Fax:(401) 421-5679
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OSHA PREFAB STAIRWAYS

Acceptable Usage: For industrial/commercial maintenance
access and industrial/commercial storage access.
This is a steep incline stair not acceptable for public access,
office use, or residential applications.
prefab stairs
STEEP INCLINE STRUCTURAL STEEL STAIRWAYS
Quality engineered to your specific height requirements
   at a nominal 45 degree angle of rise.
Designed for safety and convenience.
Extra heavy duty bar grating stair treads won’t sag or dish
   (supplied as standard).
Factory welded handrails of 1 1/2" x 14 Ga. square tubing.
10" structural channel stringers.
Fire proof construction.
Meets OSHA requirements. See OSHA standard 1910.24
   (Fixed Industrial Stairs) listed below price table.
Standard finish gray enamel (Chart I), galvanized
    (Chart II), or duplex galvanized and painted (Chart III).
Standard 36" wide treads, 40" overall stair width. Other
    widths available upon request.
Tread depths are 9" for diamond plate, and 8 9/16" for
    bar grating treads.
Special colors available upon request
Shipped as 2 welded side frames and 1 bundle of treads for bolted
assembly.
prefabe stairway
45 Degree angle of rise
galvanized stairways osha stairs steep incline stairs
*Important Note When Ordering:
Specify actual floor to floor height
when ordering. Stairways are custom
designed to meet your height
requirements. *Other sizes available
upon request.
Order all galvanized
frame
and tread finish
for maximum durability
and corrosion resistance.
OSHA stair shown with optional
horizontal extension
.
CUSTOM SIZES - SAME DAY QUOTES
Custom sizes and configurations are readily available. We provide same day price quotes if you require a special
stair angle, specific tread rise/run, or a maximum horizontal stair run to satisfy available floor space constraints.

NEW! Optional Finishes!
Our standard finish is a quick dry enamel in a variety of colors.
Now we are pleased to offer our products with a hot-dipped galvanized finish or in a
duplex system which is paint over a hot-dipped galvanized undercoat.

CHART I
PRICING FOR OSHA STAIRS WITH STANDARD PAINTED ENAMEL FRAME
This is a steep incline stair not acceptable for public
access, office use, or residential applications.
Back to Top
Steel Stair Treads
stair treads
dimond plate stair tread
Bar grating stair treads are safe, self-
cleaning, skid-resistant and economical.
Painted Gray

Order Online, by Phone, or by E-Mail

~ Add items to your online shopping cart ~
Click a Price of the item you wish to purchase.

FRAME FINISH-GRAY OR BLUE
TREAD SELECTION
OSHA
TYP.
MODEL
NO.
PRICING
HEIGHT
RANGE
(Floor to Floor)
HORIZONTAL
RUN
TREAD
WIDTH
OVERALL
WIDTH
(A)
BLK BAR
GRATING
8 9/16" TREAD
OPEN RISER
(B)
GAL. BAR
GRATING
8 9/16" TREAD
OPEN RISER
(C)
DIA. PLATE
9" TREAD
PAINTED GRAY
OPEN RISER
S3038-P 36"-41" 26 9/16"-33 5/8" 30 33 $832 $877 $985
S3638-P 36"-41" 26 9/16"-33 5/8" 36 39 $876 $931 $1,059
S4838-P 36"-41" 26 9/16"-33 5/8" 48 51 $965 $1,037 $1,209
               
S3044-P 42"-47" 33 3/4"-40 5/16"  30 33 $897 $1,009 $1,143
S3644-P 42"-47" 33 3/4"-40 5/16"  36 39 $1,007 $1,075 $1,236
S4844-P 42"-47" 33 3/4"-40 5/16"  48 51 $1,118 $1,208 $1,423
               
S3050-P 48"-53" 40 9/16"-44 5/16"  30 33 $1,017 $1,073 $1,208
S3650-P 48"-53" 40 9/16"-44 5/16"  36 39 $1,072 $1,140 $1,301
S4850-P 48"-53" 40 9/16"-44 5/16"  48 51 $1,182 $1,273 $1,488
               
S3056-P 54"-59" 44 9/16"-51 1/8"  30 33 $1,137 $1,205 $1,366
S3656-P 54"-59" 44 9/16"-51 1/8" 36 39 $1,203 $1,284 $1,478
S4856-P 54"-59" 44 9/16"-51 1/8" 48 51 $1,335 $1,444 $1,702
               
S3062-P 60"-65" 51 7/16"-57 3/4"  30 33 $1,257 $1,336 $1,524
S3662-P 60"-65" 51 7/16"-57 3/4"  36 39 $1,334 $1,429 $1,654
S4862-P 60"-65" 51 7/16"-57 3/4"  48 51 $1,488 $1,615 $1,916
               
S3068-P 66"-71" 58 1/16"-62 1/4"  30 33 $1,321 $1,401 $1,589
S3668-P 66"-71" 58 1/16"-62 1/4"  36 39 $1,399 $1,494 $1,719
S4868-P 66"-71" 58 1/16"-62 1/4"  48 51 $1,533 $1,680 $1,980
               
S3074-P 72"-77" 64 9/16"-68 7/8"  30 33 $1,441 $1,532 $1,747
S3674-P 72"-77" 64 9/16"-68 7/8"  36 39 $1,530 $1,638 $1,896
S4874-P 72"-77" 64 9/16"-68 7/8"  48 51 $1,706 $1,851 $2,195
               
S3080-P 78"-83" 69 1/4"-75 3/8"  30 33 $1,561 $1,663 $1,905
S3680-P 78"-83" 69 1/4"-75 3/8"  36 39 $1,661 $1,783 $2,073
S4880-P 78"-83" 69 1/4"-75 3/8"  48 51 $1,859 $2,022 $2,409
               
S3086-P 84"-89" 75 3/4"-81 13/16"  30 33 $1,681 $1,794 $2,063
S3686-P 84"-89" 75 3/4"-81 13/16"  36 39 $1,792 $1,927 $2,249
S4886-P 84"-89" 75 3/4"-81 13/16"  48 51 $2,012 $2,193 $2,623
               
S3090-P 90"-95" 82 3/16"-86 3/4" 30 33 $1,746 $1,859 $2,128
S3690-P 90"-95" 82 3/16"-86 3/4" 36 39 $1,856 $1,992 $2,314
S4890-P 90"-95" 82 3/16"-86 3/4" 48 51 $2,077 $2,258 $2,687
               
S3098-P 96"-101" 88 9/16"-93 3/16"  30 33 $1,866 $1,990 $2,286
S3698-P 96"-101" 88 9/16"-93 3/16"  36 39 $1,987 $2,136 $2,491
S4898-P 96"-101" 88 9/16"-93 3/16"  48 51 $2,230 $2,429 $2,901
               
S30104-P 102"-107" 93 9/16"-99 9/16"  30 33 $1,986 $2,121 $2,444
S36104-P 102"-107" 93 9/16"-99 9/16"  36 39 $2,118 $2,281 $2,668
S48104-P 102"-107" 93 9/16"-99 9/16"  48 51 $2,383 $2,600 $3,116
               
S30110-P 108"-113" 99 15/16"-105 7/8"  30 33 $2,106 $2,253 $2,602
S36110-P 108"-113" 99 15/16"-105 7/8"  36 39 $2,249 $2,426 $2,844
S48110-P 108"-113" 99 15/16"-105 7/8"  48 51 $2,536 $2,771 $3,330
               
S30116-P 114"-119" 106 1/4"-111"  30 33 $2,170 $2,317 $2,666
S36116-P 114"-119" 106 1/4"-111"  36 39 $2,314 $2,490 $2,909
S48116-P 114"-119" 106 1/4"-111"  48 51 $2,601 $2,836 $3,394
               
S30122-P 120"-125" 112 9/16"-117 5/16" 30 33 $2,290 $2,449 $2,825
S36122-P 120"-125" 112 9/16"-117 5/16" 36 39 $2,445 $2,635 $3,086
S48122-P 120"-125" 112 9/16"-117 5/16" 48 51 $2,754 $3,007 $3,608
               
S30128-P 126"-131" 117 3/4"-123 5/8"  30 33 $2,410 $2,580 $2,983
S36128-P 126"-131" 117 3/4"-123 5/8"  36 39 $2,576 $2,779 $3,263
S48128-P 126"-131" 117 3/4"-123 5/8"  48 51 $2,907 $3,178 $3,822
               
S30134-P 132"-137" 124 1/16"-129 7/8" 30 33 $2,530 $2,711 $3,141
S36134-P 132"-137" 124 1/16"-129 7/8" 36 39 $2,707 $2,924 $3,439
S48134-P 132"-137" 124 1/16"-129 7/8" 48 51 $3,060 $3,349 $4,037
               
S30140-P 138"-144" 130 5/16"-136 1/16"  30 33 $2,606 $2,787 $3,216
S36140-P 138"-144" 130 5/16"-136 1/16"  36 39 $2,782 $2,999 $3,515
S48140-P 138"-144" 130 5/16"-136 1/16"  48 51 $3,135 $3,425 $4,112

CHART II
PRICING FOR OSHA STAIRS WITH GALVANIZED FRAME
Back to Top
This is a steep incline stair not acceptable for public
access, office use, or residential applications.
Steel Stair Treads
diamond plate stair treads
Bar grating stair treads are safe, self-
cleaning, skid-resistant and economical.

Order Online, by Phone, or by E-Mail

~ Add items to your online shopping cart ~
Click a Price of the item you wish to purchase.

FRAME FINISH-GALVANIZED TREAD SELECTION
OSHA
TYP.
MODEL NO.
PRICING
HEIGHT
RANGE
(Floor to Floor)
HORIZONTAL
RUN
TREAD
WIDTH
OVERALL
WIDTH
(B)
GAL. BAR
GRATING
8 9/16" TREAD
OPEN RISER
(C)
GAL. DIA.
PLATE
9" TREAD
OPEN RISER
S3038-G 36"-41" 26 9/16"-33 5/8" 30 33 $1,351 $1,625
S3638-G 36"-41" 26 9/16"-33 5/8" 36 39 $1,404 $1,733
S4838-G 36"-41" 26 9/16"-33 5/8" 48 51 $1,511 $1,949
             
S3044-G 42"-47" 33 3/4"-40 5/16"  30 33 $1,504 $1,847
S3644-G 42"-47" 33 3/4"-40 5/16"  36 39 $1,571 $1,982
S4844-G 42"-47" 33 3/4"-40 5/16"  48 51 $1,704 $2,252
             
S3050-G 48"-53" 40 9/16"-44 5/16"  30 33 $1,591 $1,933
S3650-G 48"-53" 40 9/16"-44 5/16"  36 39 $1,657 $2,068
S4850-G 48"-53" 40 9/16"-44 5/16"  48 51 $1,790 $2,338
             
S3056-G 54"-59" 44 9/16"-51 1/8"  30 33 $1,744 $2,155
S3656-G 54"-59" 44 9/16"-51 1/8" 36 39 $1,823 $2,317
S4856-G 54"-59" 44 9/16"-51 1/8" 48 51 $1,983 $2,641
             
S3062-G 60"-65" 51 7/16"-57 3/4"  30 33 $1,897 $2,377
S3662-G 60"-65" 51 7/16"-57 3/4"  36 39 $1,990 $2,566
S4862-G 60"-65" 51 7/16"-57 3/4"  48 51 $2,176 $2,944
             
S3068-G 66"-71" 58 1/16"-62 1/4"  30 33 $1,983 $2,463
S3668-G 66"-71" 58 1/16"-62 1/4"  36 39 $2,076 $2,652
S4868-G 66"-71" 58 1/16"-62 1/4"  48 51 $2,262 $3,030
             
S3074-G 72"-77" 64 9/16"-68 7/8"  30 33 $2,136 $2,685
S3674-G 72"-77" 64 9/16"-68 7/8"  36 39 $2,243 $2,901
S4874-G 72"-77" 64 9/16"-68 7/8"  48 51 $2,455 $3,333
             
S3080-G 78"-83" 69 1/4"-75 3/8"  30 33 $2,289 $2,906
S3680-G 78"-83" 69 1/4"-75 3/8"  36 39 $2,409 $3,149
S4880-G 78"-83" 69 1/4"-75 3/8"  48 51 $2,648 $3,635
             
S3086-G 84"-89" 75 3/4"-81 13/16"  30 33 $2,442 $3,128
S3686-G 84"-89" 75 3/4"-81 13/16"  36 39 $2,575 $3,398
S4886-G 84"-89" 75 3/4"-81 13/16"  48 51 $2,841 $3,938
             
S3090-G 90"-95" 82 3/16"-86 3/4" 30 33 $2,529 $3,214
S3690-G 90"-95" 82 3/16"-86 3/4" 36 39 $2,662 $3,484
S4890-G 90"-95" 82 3/16"-86 3/4" 48 51 $2,928 $4,024
             
S3098-G 96"-101" 88 9/16"-93 3/16"  30 33 $2,682 $3,436
S3698-G 96"-101" 88 9/16"-93 3/16"  36 39 $2,828 $3,733
S4898-G 96"-101" 88 9/16"-93 3/16"  48 51 $3,121 $4,327
             
S30104-G 102"-107" 93 9/16"-99 9/16"  30 33 $2,835 $3,657
S36104-G 102"-107" 93 9/16"-99 9/16"  36 39 $2,995 $3,981
S48104-G 102"-107" 93 9/16"-99 9/16"  48 51 $3,314 $4,630
             
S30110-G 108"-113" 99 15/16"-105 7/8"  30 33 $2,988 $3,879
S36110-G 108"-113" 99 15/16"-105 7/8"  36 39 $3,161 $4,230
S48110-G 108"-113" 99 15/16"-105 7/8"  48 51 $3,507 $4,932
             
S30116-G 114"-119" 106 1/4"-111"  30 33 $3,075 $3,966
S36116-G 114"-119" 106 1/4"-111"  36 39 $3,247 $4,317
S48116-G 114"-119" 106 1/4"-111"  48 51 $3,593 $5,019
             
S30122-G 120"-125" 112 9/16"-117 5/16" 30 33 $3,228 $4,187
S36122-G 120"-125" 112 9/16"-117 5/16" 36 39 $3,414 $4,565
S48122-G 120"-125" 112 9/16"-117 5/16" 48 51 $3,786 $5,321
             
S30128-G 126"-131" 117 3/4"-123 5/8"  30 33 $3,381 $4,409
S36128-G 126"-131" 117 3/4"-123 5/8"  36 39 $3,580 $4,814
S48128-G 126"-131" 117 3/4"-123 5/8"  48 51 $3,979 $5,624
             
S30134-G 132"-137" 124 1/16"-129 7/8" 30 33 $3,534 $4,630
S36134-G 132"-137" 124 1/16"-129 7/8" 36 39 $3,746 $5,062
S48134-G 132"-137" 124 1/16"-129 7/8" 48 51 $4,172 $5,926
             
S30140-G 138"-144" 130 5/16"-136 1/16"  30 33 $3,635 $4,731
S36140-G 138"-144" 130 5/16"-136 1/16"  36 39 $3,847 $5,163
S48140-G 138"-144" 130 5/16"-136 1/16"  48 51 $4,273 $6,027

CHART III
PRICING FOR OSHA STAIRS WITH DUPLEX COLORZINQ FRAME

Back to Top

This is a steep incline stair not acceptable for public
access, office use, or residential applications.
Steel Stair Treads
diamond plate stair treads
Bar grating stair treads are safe, self-
cleaning, skid-resistant and economical.

Order Online, by Phone, or by E-Mail

~ Add items to your online shopping cart ~
Click a Price of the item you wish to purchase.

FRAME FINISH-GALVANIZED & PAINTED TREAD SELECTION
OSHA
TYP.
MODEL NO.
PRICING
HEIGHT
RANGE
(Floor to Floor)
HORIZONTAL
RUN
TREAD
WIDTH
OVERALL
WIDTH
(A)
COLOR ZINQ
BAR GRATING
8 9/16" TREAD
OPEN RISER
(C)
COLOR ZINQ
DIA. PLATE
9" TREAD
OPEN RISER
S3038-GP
36"-41"
26 9/16"-33 5/8"
30
33
$1,833 $2,121
S3638-GP
36"-41"
26 9/16"-33 5/8"
36
39
$1,917 $2,263
S4838-GP
36"-41"
26 9/16"-33 5/8"
48
51
$2,084 $2,545
 
   
S3044-GP
42"-47"
33 3/4"-40 5/16" 
30
33
$2,073 $2,433
S3644-GP
42"-47"
33 3/4"-40 5/16" 
36
39
$2,177 $2,610
S4844-GP
42"-47"
33 3/4"-40 5/16" 
48
51
$2,386 $2,963
 
   
S3050-GP
48"-53"
40 9/16"-44 5/16" 
30
33
$2,207 $2,568
S3650-GP
48"-53"
40 9/16"-44 5/16" 
36
39
$2,312 $2,744
S4850-GP
48"-53"
40 9/16"-44 5/16" 
48
51
$2,521 $3,098
 
   
S3056-GP
54"-59"
44 9/16"-51 1/8" 
30
33
$2,447 $2,879
S3656-GP
54"-59"
44 9/16"-51 1/8"
36
39
$2,572 $3,091
S4856-GP
54"-59"
44 9/16"-51 1/8"
48
51
$2,823 $3,515
 
   
S3062-GP
60"-65"
51 7/16"-57 3/4" 
30
33
$2,686 $3,191
S3662-GP
60"-65"
51 7/16"-57 3/4" 
36
39
$2,833 $3,438
S4862-GP
60"-65"
51 7/16"-57 3/4" 
48
51
$3,126 $3,933
 
   
S3068-GP
66"-71"
58 1/16"-62 1/4" 
30
33
$2,821 $3,325
S3668-GP
66"-71"
58 1/16"-62 1/4" 
36
39
$2,967 $3,573
S4868-GP
66"-71"
58 1/16"-62 1/4" 
48
51
$3,260 $4,067
 
   
S3074-GP
72"-77"
64 9/16"-68 7/8" 
30
33
$3,060 $3,637
S3674-GP
72"-77"
64 9/16"-68 7/8" 
36
39
$3,228 $3,920
S4874-GP
72"-77"
64 9/16"-68 7/8" 
48
51
$3,562 $4,485
 
   
S3080-GP
78"-83"
69 1/4"-75 3/8" 
30
33
$3,300 $3,948
S3680-GP
78"-83"
69 1/4"-75 3/8" 
36
39
$3,488 $4,266
S4880-GP
78"-83"
69 1/4"-75 3/8" 
48
51
$3,865 $4,902
 
   
S3086-GP
84"-89"
75 3/4"-81 13/16" 
30
33
$3,539 $4,260
S3686-GP
84"-89"
75 3/4"-81 13/16" 
36
39
$3,748 $4,613
S4886-GP
84"-89"
75 3/4"-81 13/16" 
48
51
$4,167 $5,320
 
   
S3090-GP
90"-95"
82 3/16"-86 3/4"
30
33
$3,674 $4,395
S3690-GP
90"-95"
82 3/16"-86 3/4"
36
39
$3,883 $4,748
S4890-GP
90"-95"
82 3/16"-86 3/4"
48
51
$4,302 $5,455
 
   
S3098-GP
96"-101"
88 9/16"-93 3/16" 
30
33
$3,913 $4,706
S3698-GP
96"-101"
88 9/16"-93 3/16" 
36
39
$4,143 $5,095
S4898-GP
96"-101"
88 9/16"-93 3/16" 
48
51
$4,604 $5,872
 
   
S30104-GP
102"-107"
93 9/16"-99 9/16" 
30
33
$4,153 $5,017
S36104-GP
102"-107"
93 9/16"-99 9/16" 
36
39
$4,404 $5,441
S48104-GP
102"-107"
93 9/16"-99 9/16" 
48
51
$4,906 $6,290
 
   
S30110-GP
108"-113"
99 15/16"-105 7/8" 
30
33
$4,392 $5,329
S36110-GP
108"-113"
99 15/16"-105 7/8" 
36
39
$4,664 $5,788
S48110-GP
108"-113"
99 15/16"-105 7/8" 
48
51
$5,208 $6,707
 
   
S30116-GP
114"-119"
106 1/4"-111" 
30
33
$4,527 $5,464
S36116-GP
114"-119"
106 1/4"-111" 
36
39
$4,799 $5,923
S48116-GP
114"-119"
106 1/4"-111" 
48
51
$5,343 $6,842
 
   
S30122-GP
120"-125"
112 9/16"-117 5/16"
30
33
$4,766 $5,775
S36122-GP
120"-125"
112 9/16"-117 5/16"
36
39
$5,059 $6,270
S48122-GP
120"-125"
112 9/16"-117 5/16"
48
51
$5,645 $7,259
 
   
S30128-GP
126"-131"
117 3/4"-123 5/8" 
30
33
$5,006 $6,087
S36128-GP
126"-131"
117 3/4"-123 5/8" 
36
39
$5,319 $6,617
S48128-GP
126"-131"
117 3/4"-123 5/8" 
48
51
$5,947 $7,677
 
   
S30134-GP
132"-137"
124 1/16"-129 7/8"
30
33
$5,245 $6,398
S36134-GP
132"-137"
124 1/16"-129 7/8"
36
39
$5,580 $6,963
S48134-GP
132"-137"
124 1/16"-129 7/8"
48
51
$6,249 $8,094
 
   
S30140-GP
138"-144"
130 5/16"-136 1/16" 
30
33
$5,402 $6,555
S36140-GP
138"-144"
130 5/16"-136 1/16" 
36
39
$5,737 $7,121
S48140-GP
138"-144"
130 5/16"-136 1/16" 
48
51
$6,407 $8,252

FACTORY LOAD TEST
load test stair load test
In addition to theoretical
design analysis
FS Industries has
performed actual load
tests with a 25%
overload to insure
design conformance to
OSHA standard 1910.24
which is printed below
test photos.
1250 lbs. concentrated load applied
to the center span of stair tread on a
3" long x 1 1/2" flat bar bearing surface.
Underside view of 1250 lbs.
Concentrated load suspended
from center of stair tread.
OSHA STANDARD 1910.24 FIXED INDUSTRIAL STAIRS
1910.24(a)

"Application of requirements." This section contains specifications for the safe design and construction of fixed general
industrial stairs. This classification includes interior and exterior stairs around machinery, tanks, and other equipment,
and stairs leading to or from floors, platforms, or pits. This section does not apply to stairs used for fire exit purposes,
to construction operations to private residences, or to articulated stairs, such as may be installed on floating roof tanks
or on dock facilities, the angle of which changes with the rise and fall of the base support.

..1910.24(b)

1910.24(b)

"Where fixed stairs are required." Fixed stairs shall be provided for access from one structure level to another where
operations necessitate regular travel between levels, and for access to operating platforms at any equipment which
requires attention routinely during operations. Fixed stairs shall also be provided where access to elevations is daily or
at each shift for such purposes as gauging, inspection, regular maintenance, etc., where such work may expose
employees to acids, caustics, gases, or other harmful substances, or for which purposes the carrying of tools or
equipment by hand is normally required. (It is not the intent of this section to preclude the use of fixed ladders for
access to elevated tanks, towers, and similar structures, overhead traveling cranes, etc., where the use of fixed ladders
is common practice.) 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 stairways may be installed on tanks and
similar round structures where the diameter of the structure is not less than five (5) feet.

1910.24(c)

"Stair strength." Fixed stairways shall be designed and constructed to carry a load of five times the normal live load
anticipated but never of less strength than to carry safely a moving concentrated load of 1,000 pounds.

1910.24(d)

"Stair width." Fixed stairways shall have a minimum width of 22 inches.

1910.24(e)

"Angle of stairway rise." Fixed stairs shall be installed at angles to the horizontal of between 30 deg. and 50 deg. Any
uniform combination of rise/tread dimensions may be used that will result in a stairway at an angle to the horizontal
within the permissible range. Table D-1 gives rise/tread dimensions which will produce a stairway within the permissible
range, stating the angle to the horizontal produced by each combination. However, the rise/tread combinations are not
limited to those given in Table D-1.

Table D-1
________________________________________________________
Angle to horizontal | Rise (in inches) | Tread run (in inches)    
__________________________   |____________________________
30 deg. 35'............|    6 1/2             |            11
32 deg. 08'............|    6 3/4             |            10 3/4
33 deg. 41'............|    7                   |            10 1/2
35 deg. 16'............|    7 1/4             |            10 1/4
36 deg. 52'............|    7 1/2             |            10
38 deg. 29'............|    7 3/4             |            9 3/4
40 deg. 08'............|    8                   |            9 1/2
41 deg. 44'............|    8 1/4             |            9 1/4
43 deg. 22'............|    8 1/2             |            9
45 deg. 00'............|    8 3/4             |            8 3/4
46 deg. 38'............|    9                   |            8 1/2
48 deg. 16'............|    9 1/4             |            8 1/4
49 deg. 54'............|    9 1/2             |            8
_______________________________________________________


..1910.24(f)

1910.24(f)

"Stair treads." All treads shall be reasonably slip-resistant and the nosings shall be of nonslip finish. Welded bar grating
treads without nosings are acceptable providing the leading edge can be readily identified by personnel descending the
stairway and provided the tread is serrated or is of definite nonslip design. Rise height and tread width shall be uniform
throughout any flight of stairs including any foundation structure used as one or more treads of the stairs.

1910.24(g)

"Stairway platforms." Stairway platforms shall be no less than the width of a stairway and a minimum of 30 inches in
length measured in the direction of travel.

1910.24(h)

"Railings and handrails." Standard railings shall be provided on the open sides of all exposed stairways and stair
platforms. Handrails shall be provided on at least one side of closed stairways preferably on the right side descending.
Stair railings and handrails shall be installed in accordance with the provisions of 1910.23.

1910.24(i)

"Vertical clearance." Vertical clearance above any stair tread to an overhead obstruction shall be at least 7 feet
measured from the leading edge of the tread.


[39 FR 23502, June 27, 1974, as amended at 43 FR 49744, Oct. 24, 1978; 49 FR 5321, Feb. 10, 1984]

--------------------------------------------------------------------------------

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Regulations (Standards - 29 CFR) - Table of Contents


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