Bondor Manufacturing Co.

A Division of FS Industries, PO Box 72659 Providence, RI
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WELDED ALUMINUM PREFAB STAIRWAYS
FULL COMPLIANCE TO OSHA
1910.25 STANDARD

OSHA DESIGN

STRONG-ATTRACTIVE-WEATHER RESISTANT
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.
STEEP INCLINE MILL FINISH ALUMINUM
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).
bulletFactory welded handrails of 1 1/2" x .125 aluminum
   (6063-T52) square tubing.
bullet 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" wide treads, 41 1/4" overall stair width.
   Other widths available upon request.
Tread depths are 9 1/2" for diamond plate, and 9 13/16"
    for I bar grating treads.
Stainless Steel assembly hardware included.
Shipped as 2 welded side frames
and 1 bundle of treads for bolted
assembly.
Nominal 45 Degree angle of rise
Top of Welded Aluminum Handrail
Rear View of Bolted Tread Connection
Bottom Lug Plate
Aluminum I Bar Grating with Stainless Steel Assembly Hardware
Treads provided with corrugated aluminum nosing.
OSHA stair shown with optional
horizontal extension
.
Top Connection Plate
*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.

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.

PRICING FOR OSHA STAIRS WITH MILL FINISH ALUMINUM FRAME
This is a steep incline stair not acceptable for public
access, office use, or residential applications.
dimond plate stair tread
Aluminum Stair Treads
9 1/2 " aluminum diamond plate open riser
I Bar grating stair treads with corrigated aluminum nosing are safe, self-cleaning,
skid-resistant and economical.

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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 RISER
(B)
ALUMINUM DIA. PLATE
9 1/2" TREAD
OPEN RISER
017S3038-AL 36"-41" 26 9/16"-33 5/8" 30 35 1/4 123
017S3638-AL 36"-41" 26 9/16"-33 5/8" 36 41 1/4 129
017S4838-AL 36"-41" 26 9/16"-33 5/8" 48 53 1/4 135
           
017S3044-AL 42"-47" 33 3/4"-40 5/16"  30 35 1/4 147
017S3644-AL 42"-47" 33 3/4"-40 5/16"  36 41 1/4 154
017S4844-AL 42"-47" 33 3/4"-40 5/16"  48 53 1/4 161
           
017S3050-AL 48"-53" 40 9/16"-44 5/16"  30 35 1/4 170
017S3650-AL 48"-53" 40 9/16"-44 5/16"  36 41 1/4 179
017S4850-AL 48"-53" 40 9/16"-44 5/16"  48 53 1/4 187
           
017S3056-AL 54"-59" 44 9/16"-51 1/8"  30 35 1/4 189
017S3656-AL 54"-59" 44 9/16"-51 1/8" 36 41 1/4 199
017S4856-AL 54"-59" 44 9/16"-51 1/8" 48 53 1/4 208
           
017S3062-AL 60"-65" 51 7/16"-57 3/4"  30 35 1/4 208
017S3662-AL 60"-65" 51 7/16"-57 3/4"  36 41 1/4 218
017S4862-AL 60"-65" 51 7/16"-57 3/4"  48 53 1/4 228
           
017S3068-AL 66"-71" 58 1/16"-62 1/4"  30 35 1/4 229
017S3668-AL 66"-71" 58 1/16"-62 1/4"  36 41 1/4 238
017S4868-AL 66"-71" 58 1/16"-62 1/4"  48 53 1/4 249
           
017S3074-AL 72"-77" 64 9/16"-68 7/8"  30 35 1/4 245
017S3674-AL 72"-77" 64 9/16"-68 7/8"  36 41 1/4 258
017S4874-AL 72"-77" 64 9/16"-68 7/8"  48 53 1/4 270
           
017S3080-AL 78"-83" 69 1/4"-75 3/8"  30 35 1/4 269
017S3680-AL 78"-83" 69 1/4"-75 3/8"  36 41 1/4 283
017S4880-AL 78"-83" 69 1/4"-75 3/8"  48 53 1/4 296
           
017S3086-AL 84"-89" 75 3/4"-81 13/16"  30 35 1/4 292
017S3686-AL 84"-89" 75 3/4"-81 13/16"  36 41 1/4 307
017S4886-AL 84"-89" 75 3/4"-81 13/16"  48 53 1/4 322
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 RISER
(B)
ALUMINUM DIA. PLATE
9 1/2" TREAD
OPEN RISER
017S3090-AL 90"-95" 82 3/16"-86 3/4" 30 35 1/4 316
017S3690-AL 90"-95" 82 3/16"-86 3/4" 36 41 1/4 342
017S4890-AL 90"-95" 82 3/16"-86 3/4" 48 53 1/4 353
           
017S3098-AL 96"-101" 88 9/16"-93 3/16"  30 35 1/4 340
017S3698-AL 96"-101" 88 9/16"-93 3/16"  36 41 1/4 376
017S4898-AL 96"-101" 88 9/16"-93 3/16"  48 53 1/4 384
           
017S30104-AL 102"-107" 93 9/16"-99 9/16"  30 35 1/4 361
017S36104-AL 102"-107" 93 9/16"-99 9/16"  36 41 1/4 388
017S48104-AL 102"-107" 93 9/16"-99 9/16"  48 53 1/4 402
           
017S30110-AL 108"-113" 99 15/16"-105 7/8"  30 35 1/4 381
017S36110-AL 108"-113" 99 15/16"-105 7/8"  36 41 1/4 399
017S48110-AL 108"-113" 99 15/16"-105 7/8"  48 53 1/4 419
           
017S30116-AL 114"-119" 106 1/4"-111"  30 35 1/4 401
017S36116-AL 114"-119" 106 1/4"-111"  36 41 1/4 421
017S48116-AL 114"-119" 106 1/4"-111"  48 53 1/4 442
           
017S30122-AL 120"-125" 112 9/16"-117 5/16" 30 35 1/4 421
017S36122-AL 120"-125" 112 9/16"-117 5/16" 36 41 1/4 443
017S48122-AL 120"-125" 112 9/16"-117 5/16" 48 53 1/4 464
           
017S30128-AL 126"-131" 117 3/4"-123 5/8"  30 35 1/4 439
017S36128-AL 126"-131" 117 3/4"-123 5/8"  36 41 1/4 450
017S48128-AL 126"-131" 117 3/4"-123 5/8"  48 53 1/4 473
           
017S30134-AL 132"-137" 124 1/16"-129 7/8" 30 35 1/4 457
017S36134-AL 132"-137" 124 1/16"-129 7/8" 36 41 1/4 479
017S48134-AL 132"-137" 124 1/16"-129 7/8" 48 53 1/4 503
           
017S30140-AL 138"-144" 130 5/16"-136 1/16"  30 35 1/4 492
017S36140-AL 138"-144" 130 5/16"-136 1/16"  36 41 1/4 516
017S48140-AL 138"-144" 130 5/16"-136 1/16"  48 53 1/4 541

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).

Welded Aluminum Prefab Stairways, 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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