FS Industries ENGINEERED STEEL PRODUCTS
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20 Technology Way West Greenwich, RI 02817
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ALUMINUM OSHA STAIR WITH
OUTBOARD GUARD

FULL COMPLIANCE TO OSHA 2017 NEW STANDARD 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.
36" HIGH HANDRAILS
42" HIGH OUTBOARD GUARDRAILS
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.
Heavy duty aluminum I bar grating stair treads won’t
   sag or dish (supplied as standard).
Factory welded handrails of 1 1/2" x .125 aluminum
   (6063-T52) square tubing.
10" x 2.6" aluminum (6061-T6511) structural channel
   stringers.
Fire proof construction.
Meets OSHA requirements. See OSHA standard 1910.25
   (Fixed Industrial Stairs) listed below price table.
Standard 36" or 48" wide treads, 41 1/4" or 53 1/4"
   overall stair width. Other widths available upon
   request.
Tread depths are 11" deep for open riser diamond
   plate and bar grating treads. Closed riser diamond
   plate treads are 12" deep.
Stainless Steel assembly hardware included.
Shipped as 2 welded side frames and 1 bundle of treads for bolted
assembly.
45 Degree angle of rise
prefabe stairway


bottom handrail
Top Handrail End
Bottom Handrail Extension

all welded handrail and guard external guards
All Welded Smooth
Handrail and Guard
External Guards
Both Sides 42" High
*Important Note when ordering:  Specify actual floor to floor
height when ordering, stairways are custom designed to meet your
height requirements.  
  

galvanized stairways osha 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.

Aluminum Stair Treads
I Bar grating stair treads with corrigated aluminum nosing are safe, self-cleaning,
skid-resistant and economical.

Order Online, by Phone, or by E-Mail

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MILL FINISH ALUMINUM FRAME
WEIGHT
(LBS.)
TREAD SELECTION
OSHA TYP.
MODEL NO.
PRICING
HEIGHT RANGE
(Floor to Floor)
HORIZONTAL
RUN
TREAD
WIDTH
OVERALL
WIDTH
(A)
ALUMINUM
I BAR
GRATING
9 13/16"
TREAD
OPEN RISE
(B)
ALUMINUM
DIA. PLATE
9 1/2" TREAD
OPEN RISER
017OGS3038-AL
36"-41"
26 9/16"-33 5/8"
30
35 1/4
153
017OGS3638-AL
36"-41"
26 9/16"-33 5/8"
36
41 1/4
159
017OGS4838-AL
36"-41"
26 9/16"-33 5/8"
48
53 1/4
165
017OGS3044-AL
42"-47"
33 3/4"-40 5/16" 
30
35 1/4
177
017OGS3644-AL
42"-47"
33 3/4"-40 5/16" 
36
41 1/4
184
017OGS4844-AL
42"-47"
33 3/4"-40 5/16" 
48
53 1/4
191
017OGS3050-AL
48"-53"
40 9/16"-44 5/16" 
30
35 1/4
200
017OGS3650-AL
48"-53"
40 9/16"-44 5/16" 
36
41 1/4
209
017OGS4850-AL
48"-53"
40 9/16"-44 5/16" 
48
53 1/4
217
017OGS3056-AL
54"-59"
44 9/16"-51 1/8" 
30
35 1/4
219
017OGS3656-AL
54"-59"
44 9/16"-51 1/8"
36
41 1/4
229
017OGS4856-AL
54"-59"
44 9/16"-51 1/8"
48
53 1/4
238
017OGS3062-AL
60"-65"
51 7/16"-57 3/4" 
30
35 1/4
238
017OGS3662-AL
60"-65"
51 7/16"-57 3/4" 
36
41 1/4
248
017OGS4862-AL
60"-65"
51 7/16"-57 3/4" 
48
53 1/4
258
017OGS3068-AL
66"-71"
58 1/16"-62 1/4" 
30
35 1/4
259
017OGS3668-AL
66"-71"
58 1/16"-62 1/4" 
36
41 1/4
268
017OGS4868-AL
66"-71"
58 1/16"-62 1/4" 
48
53 1/4
279
017OGS3074-AL
72"-77"
64 9/16"-68 7/8" 
30
35 1/4
275
017OGS3674-AL
72"-77"
64 9/16"-68 7/8" 
36
41 1/4
288
017OGS4874-AL
72"-77"
64 9/16"-68 7/8" 
48
53 1/4
300
017OGS3080-AL
78"-83"
69 1/4"-75 3/8" 
30
35 1/4
299
017OGS3680-AL
78"-83"
69 1/4"-75 3/8" 
36
41 1/4
313
017OGS4880-AL
78"-83"
69 1/4"-75 3/8" 
48
53 1/4
326
017OGS3086-AL
84"-89"
75 3/4"-81 13/16" 
30
35 1/4
322
017OGS3686-AL
84"-89"
75 3/4"-81 13/16" 
36
41 1/4
337
017OGS4886-AL
84"-89"
75 3/4"-81 13/16" 
48
53 1/4
352
MILL FINISH ALUMINUM FRAME
WEIGHT
(LBS.)
TREAD SELECTION
OSHA TYP.
MODEL NO.
PRICING
HEIGHT RANGE
(Floor to Floor)
HORIZONTAL
RUN
TREAD
WIDTH
OVERALL
WIDTH
(A)
ALUMINUM
I BAR
GRATING
9 13/16"
TREAD
OPEN RISE
(B)
ALUMINUM
DIA. PLATE
9 1/2" TREAD
OPEN RISER
017OGS3090-AL
90"-95"
82 3/16"-86 3/4"
30
35 1/4
346
017OGS3690-AL
90"-95"
82 3/16"-86 3/4"
36
41 1/4
372
017OGS4890-AL
90"-95"
82 3/16"-86 3/4"
48
53 1/4
383
017OGS3098-AL
96"-101"
88 9/16"-93 3/16" 
30
35 1/4
370
017OGS3698-AL
96"-101"
88 9/16"-93 3/16" 
36
41 1/4
406
017OGS4898-AL
96"-101"
88 9/16"-93 3/16" 
48
53 1/4
414
017OGS30104-AL
102"-107"
93 9/16"-99 9/16" 
30
35 1/4
391
017OGS36104-AL
102"-107"
93 9/16"-99 9/16" 
36
41 1/4
418
017OGS48104-AL
102"-107"
93 9/16"-99 9/16" 
48
53 1/4
432
017OGS30110-AL
108"-113"
99 15/16"-105 7/8" 
30
35 1/4
411
017OGS36110-AL
108"-113"
99 15/16"-105 7/8" 
36
41 1/4
429
017OGS48110-AL
108"-113"
99 15/16"-105 7/8" 
48
53 1/4
449
017OGS30116-AL
114"-119"
106 1/4"-111" 
30
35 1/4
431
017OGS36116-AL
114"-119"
106 1/4"-111" 
36
41 1/4
451
017OGS48116-AL
114"-119"
106 1/4"-111" 
48
53 1/4
472
017OGS30122-AL
120"-125"
112 9/16"-117 5/16"
30
35 1/4
451
017OGS36122-AL
120"-125"
112 9/16"-117 5/16"
36
41 1/4
473
017OGS48122-AL
120"-125"
112 9/16"-117 5/16"
48
53 1/4
494
017OGS30128-AL
126"-131"
117 3/4"-123 5/8" 
30
35 1/4
469
017OGS36128-AL
126"-131"
117 3/4"-123 5/8" 
36
41 1/4
480
017OGS48128-AL
126"-131"
117 3/4"-123 5/8" 
48
53 1/4
503
017OGS30134-AL
132"-137"
124 1/16"-129 7/8"
30
35 1/4
487
017OGS36134-AL
132"-137"
124 1/16"-129 7/8"
36
41 1/4
509
017OGS48134-AL
132"-137"
124 1/16"-129 7/8"
48
53 1/4
533
017OGS30140-AL
138"-144"
130 5/16"-136 1/16" 
30
35 1/4
522
017OGS36140-AL
138"-144"
130 5/16"-136 1/16" 
36
41 1/4
546
017OGS48140-AL
138"-144"
130 5/16"-136 1/16" 
48
53 1/4
571

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 1910.25
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 1910.25 STAIRWAYS
Walking-Working Surfaces and Personal Fall Protection Systems Final Rule
Frequently Asked Questions
The intent of OSHA’s Walking-Working Surfaces standard, 29 CFR Part 1910, Subpart D & I, is to increase the
protection of general industry employees and employers from hazards associated with walking-working surfaces. The
rule making will significantly reduce the number of worker deaths and injuries that occur each year resulting from
workplace slip, trip, and fall hazards. The final rule was published on November 18, 2016, and became effective on
January 17, 2017. Some requirements in the final rule have compliance dates after the effective date and will be
discussed in further detail below. This final rule and the associated preamble, providing more detailed explanation of
the rule, is available on the Federal Register website at 81 FR 82494, Walking-Working Surfaces; Personal Protective
Equipment; Final Rule, November 18, 2016.
OSHA requirements are set by statute, standards, and regulations. The Agency’s interpretations explain these require-
ments and how they apply to particular circumstances, but they do not create additional employer obligations. Note
that our enforcement guidance may be affected by legislative or rule making changes to OSHA requirements. Also,
from time to time we update our guidance in response to new information. To keep apprised of such developments,
you can consult OSHA’s website at http://www.osha.gov.
This webpage provides guidance, in a question and answer format, regarding OSHA’s Final Rule, Walking-Working
Surfaces and Personal Protective Equipment, 29 CFR Part 1910, Subpart D and I. These Frequently Asked Questions
(FAQs) are divided into five sections: general questions, rope descent system (RDS) questions, outdoor advertising
questions, residential roof questions, and agricultural operation questions.
Standard Stairs
Does the exception to the 9.5-inch riser height and 9.5-inch tread depth requirements for stairs installed before
January 17, 2017 (§19210.25(c)(5)), also apply to stairs designed and fabricated, but not yet installed, by that date?
Stairs with design drawings issued for construction or that were in fabrication before January 17, 2017, but not
installed, will be in compliance if they met the previous requirements for standard stairs.
Under the previous standard, stairs with a handrail that doubles as a stair rail could have a rail height of 30 to 34
inches. If an employer's stairs were installed prior to January 17, 2017, must the rails have a minimum height of
36 inches if the stair rail doubles as a handrail?
The final rule does not affect stair rail systems and handrails installed before January 17, 2017 that were in com-
pliance with the requirements in the old standard.
Does the requirement that standard stairs have a slope between 30 to 50 degrees apply to stairs installed after January
7, 2017. Therefore, the maximum angle for standard stairs is 45 degrees.
Yes. The final rule limits the maximum rise height and minimum tread depth to 9.5 inches for standard stairs installed
after January 17, 2017. Therefore, the maximum angle for standard stairs is 45 degrees.
Are stairs installed after January 17, 2017, that have an angle of 50 degrees considered to be ships stairs?
The final rule defines ship stairs as “a stairway that is equipped with treads, stair rails, and open risers, and has a slope
of 50 to 70 degrees.” Ship stairs must also comply with §1910.25(b) and (e), such as a minimum tread depth of 4
inches, a minimum tread width of 18 inches, and a vertical clearance above any stair tread to any overhead
obstruction of at least 6 feet 8 inches.
What if the doorway described in §1910.25(b)(5)(ii) and shown in figure D-7 is perpendicular to the direction of
travel and opens onto the landing? Does the same dimension apply to this condition?
Yes. As figure D-7 illustrates, Section 1910.25(b)(5) requires that a platform be provided when a door or a gate opens
directly onto a stairway. For platforms installed after January 17, 2017, the final rule also requires that employers
ensure the swing of the door or gate does not reduce the "effective usable depth" of the platform to less than 22 inches (§1910.25(b)(5)(ii)). The preamble to the final rule describes “effective usable depth” as the portion of the platform
beyond the swing of the door where a worker can stand when opening the door (82 FR 82557). The provision applies
equally to stairway doors that are perpendicular to the direction of travel.
Are fixed stairs attached to the exterior of tanks required to comply with the requirements of §1910.25(b) or would
those stairs fall under the exemptions in §1910.25(a)?

The exception from the stair requirements in §1910.25(a) only applies to stairs serving floating roof tanks, stairs on
scaffolds, stairs on self-propelled motorized equipment, or stairs designed into machines or equipment. For stairs on
the exterior of other tanks, employers would have to ensure they comply with the requirements in §1910.25(b) and (c).
Would winding stairs attached to tanks be required to meet the requirements in §1910.25(d) for spiral stairs?
No. Section 1910.21(b) defines spiral stairs as a "series of treads attached to a vertical pole in a winding fashion,
usually within a cylindrical space" (emphasis added). Winding stairs attached to tanks do not have vertical poles;
therefore, they are not spiral stairs and must meet the requirements of §1910.25(b) and (c).
Based on the height requirements for stair rails and handrails and the requirements in Table D-2, are both stair rails
and handrails required on stairs that have two open sides and are less than 44-in. wide?

Yes. Section 1910.28(b)(11)(ii) Table D-2 contains a printing error, which OSHA will correct in a published notice.
For each flight of stairs with two open sides and a width of less than 44 inches, column 4 of Table D-2 should state
"One stair rail system with hand rail on each open side" is required. (See 81 FR 82611-12).

Aluminum OSHA Stair with Outboard Guard, Galvanized Stairs, Industrial Stairs, Metal Stairs, Open Tread Stair, OSHA Prefab Stairways, Outdoor Steel Stairs, Prefab Metal Stairs, Prefab Steel Stairs, Prefabricated Stair, Stair Manufacturers, Steel Pan Stairs, and Steel Stairs from your complete source for material handling equipment.
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