Among the requirements is the minimum stair width. Skip to content. Handrails not shown for clarity. Moving beyond mere regulatory compliance, adherence to OSHA standards protects workers from deadly safety hazards and health risks at work. OSHA Enforcement ; Annual Inspection Data ; Topics Back. [ §504] Requirements for stairways address treads and risers, surfaces, nosings, and handrails. Furnished with holes or anchors as. Slope between 30° and 50° from the horizontal. Tread width must be uniform. *This chart is for general reference. IBC Requires Stair tread depths to be 11 inches (279 mm) minimum. One of the more common issues with stair design is the lack of support pro-Intercommunicating stairway. 25 defines the requirements for stairs. Stair treads butted against an un-grooved stringer inner face and then nailed or screwed through the stringer into the stair tread. com reader, appears to violate the stair tread nose curve radius and stair tread nose profile (greater than 1/2-inch). 25 inches. 3) Stairways are required to have a headroom clearance of 80 inches from the edge of each stair nosing measured vertically up to the ceiling. This letter constitutes OSHA's interpretation of the requirements discussed. The uniformity of risers and treads is a safety factor in any flight of stairs. The following definitions apply in this subpart: Alternating tread-type stair means a type of stairway consisting of a series of treads that usually are attached to a center support in an alternating manner such that an employee typically does not have both feet on the same level while using the stairway. This subpart applies to all stairways and ladders used in construction, alteration, repair (including painting and decorating), and demolition workplaces covered under 29 CFR part 1926, and also sets forth, in specified circumstances, when ladders and stairways are required to be provided. Figure D-13 - Combination Handrail and Stair Rail. Smoothness of surface D. Tread depths must be the same between. The federal OSHA requirements are similar to those of California's State OSHA program requirements except that California has enacted a more stringent provision by requiring the stairway width to be not less that 24 inches wide, versus 1926. (d). on the front five inches of the span at the center. Guardrail systems. Complete Bar. 05 cm), stair width a minimum of 22 inches (55. Custom built to exact height. , some states have adopted. OSHA Height Requirements. 2. In addition, ANSI A10. 2, [Stairways] Treads and Risers, states, “All steps on a flight of stairs shall have uniform riser heights and uniform tread depths. where the treads are narrower of not less than 10 inches and minimum depth of any tread shall not be less than 6 inches. Since that time, OSHA has received many questions and requests for interpretation of the requirements for handrails and stair rail systems. 28 and 1910. The OSHA catwalk width requirements are found in section 1910. Normal use by employees. OSHA 1910. Training Requirements by Standard ; Enforcement Back. (36″ wide areas served by less than 50 people) Railings & Guardrail: OSHA requires railings on open sides of stairwells and a handrail on at least on the side, preferably the right side descending at. R311. This includes, but is not limited to, requirements related to: general structural design, fire-resistant construction, light, ventilation, sanitation, plumbing fixture clearances, minimum room area and ceiling. (b) Materials. The standard focuses on proactive safety management — meaning that OSHA expects employers to find and fix workplace hazards BEFORE they become an issue. 08 cm), and tread nosing shall be straight leading edges. Ramps, Runways, Stairwells, and Stairs. Risers shall be 4 inches (100 mm) high minimum and 7 inches (180 mm) high maximum. If a stairway accesses the catwalk, the width requirements depend on the width of the stairway that serves it. A spiral stair with these requirements that is shipped in one section will be an inexpensive, easy-to-ship. 25 also for IBC section 10 means are output. Fixed stairs are in compliance with the standard if the rise and tread run dimensions produce a stairway with an angle to horizontal between 30 and 50 degrees. Treads (the horizontal stair element you step on) that are at least 10 inches in depth and no more than 14 inches. Call Us Today: 856. Features. The riser height must be between 4″ and 7″ and the treads must be at least 11″ deep. It also requires handrails, guardrails, and platforms for each stairway, and the use of windings and platforms for certain types of stairs. StrengthOSHA's stair requirements cover various aspects, including the minimum width of stairs, the height and depth of steps, handrails, slip-resistant surfaces and more. Smoothness of surface D. Stranded in a Vehicle. Stair Treads are common in residential, industrial, and architectural applications. (4) Headroom. Finger clearance: Minimum clearance between aTraining Requirements by Standard ; Enforcement Back. The OSHA catwalk standards for catwalk widths, toeboards, and load requirements are found in sections 1910. (See 81 FR 82611-12). Some codes such as CA/OSHA specify a minimum stairway width of 24" [35]. See OSHA standard 1910. 25 (Fixed Industrial Stairs) listed below price table. 1052(c)(7) 1926. ) (c) Rise and Run. As stated previously, the riser height must be uniform amongst all steps in a set of. 11″ tread. You have requested an interpretation of 29 CFR 1910. 5 inches. 2. The elements of a safety and health program that can be used by employers to develop effective programs at their work sites. See full list on erectastep. 5, the minimum depth of the tread is 13 inches (330 mm) and not less than one handrail complying with Section 1014 is provided within 30 inches (762 mm) of the. IBC Stairs require guardrails of 42″ high and handrails of 34″ high on both sides of the stairwell. R311. There are many more codes,. STAIRMASTER anti-slip renovation treads are ideal for exit path markings, safety egress systems, steps and landings. 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. R311. The tread depth shall not be. Additional. Winder treads should have a minimum tread depth of 11. %PDF-1. This type of metal grating and stair treads feature a safety flooring surface with hundreds of. The nosing on treads, believe it or not, has a code minimum and maximum of how far the nosing projects over the next stair. Part 1910. Extensions shall return to a wall, guard, or the landing surface, or shall be continuous to the handrail of an adjacent stair flight. Created with funding by: A U. 2635 5 Ribbed Bar Abrasive Stair Tread ST S B- SERIES TREAD NOSING WIDTH INSTALL B Bar aBrasive e extruded anchors d drilled holes s single Part c concrete Pour - short nose P steel Pan - short tiPPed nose l steel Pan - long nose a steel Pan. oregon. (Title 24, Part 2, Section 3305 (b). 0400 Fax: 313-923-4555 OSHA General stair requirements 1910. Advisory 505. A guardrail is typically required for stairs with 4-or-more risers, or for a deck or balcony with 30 inches above grade. 29 (b) (1) The top edge height of top rails, or equivalent guardrail system members, are 42 inches (107 cm), plus or minus 3 inches (8 cm), above the walking-working surface. Therefore, if your stair railings are 30-34" as specified in §1910. but tread wear indicator bars or the penny test can help you ensure you’re above the minimum tread depth requirements. A handrail every 60" of horizontal distance at any place along the stairs. 1052(c)(6) 1926. Read More: Differences in IBC and OSHA Requirements. The efforts of. With numerous “stair calculators” available, figuring rise and run dimensions is easy. The stair tread water code is defined in OSHA sections 1910. • Vertical clearance above any stair tread to an overhead obstruction shall be at least 7 feet measured from the leading edge of the tread. OSHA Stair Requirements. 23 that addresses stair railings is subsection (e) (2) and not (e) (1). (See Section 3214 for stair rail and handrail specifications and Section 3234 for industrial stairways). §1626. 5 and 35. It includes specifications for landings, risers, treads, handrails, and temporary service of stairways, as well as the height and location of stairrails and midrails. NITEGLOW photoluminescent epoxy filler extends uniformly throughout. Compliance with OSHA Requirements. Stair riser heights shall be 7 inches (178 mm) maximum and 4 inches (102 mm) minimum. The Agency’s interpretations explain these require-. Understanding the OSHA stair requirements as well as IBC stair requirements can help ensure your stairs are safe and at adherence. To learn more about our extensive line of aluminum access. Commercial stair tread code requirements. 4. Height: Minimum handrail height is 30 inches. S. The IRC requires a minimum stair tread depth of 10 inches (254 mm) with a nosing projection of between ¾ and 1 ¼ inches (19-32 mm). Under Stair Protection. Handrail Height Is Between 34-38 Inches. 502(k). Step Treads. 1053 (a) (1) (i) Each self-supporting portable ladder: At least four times the maximum intended load, except that each extra-heavy-duty type 1A metal or plastic ladder shall sustain at least 3. These measurements are taken at the leading edge of the treads. Question #3: Would fixed stairs with a degree of angle of between 38 degrees and 42 degrees be in compliance with 29 CFR 1910. In the U. The code requirements for various stairways aren’t simple, but their complications appropriately respond to the variable hazards in each design. 25 (Fixed Industrial Stairs) listed below price table. 3-stringer design with treads welded to the stringers. The treads are manufactured with heat-treated, corrosion-resistant aluminum substrate and a nearly diamond-hard aluminum oxide filler. In my vew these treads need to be repaired. Table of Contents. The Code identifies minimum and maximum requirements for both and is commonly adopted by. The following diagram is a recommendation that combines the IBC and OSHA. Each flight of stairs having at least 3 treads and at least 4 risers is equipped with stair rail systems and handrails as follows: (OSHA Table on Stairway Handrail Requirements) 1910. 23 (e) (3) (iii), installations, posts and top and intermediate rails are to be of 2-inch by 2-inch by 3/8-inch angles or other metal shapes of equivalent bending strength with posts spaced not more than 8 feet on centers. Handrail height at stairs is required to be between 34”-38” high. 31-1/2 inches. OSHA 1910. A stair with a single riser or with two risers and a tread is permitted at locations not required to be accessible by Chapter 11 where the risers and treads comply with Section 1011. gov OR-OSH 03/20 S-04 HANDRAILS What are they? Handrails are rails that provide a handhold for support. The opening between adjacent treads is not limited on stairs with a total rise of 30 inches (762 mm) or less. A landing pad is a flat surface made of concrete, pavers, or gravel at the bottom of the steps. Where supported by attachment to an exterior wall , decks shall be positively anchored to the primary structure and designed for both vertical and lateral loads as applicable. Subtract $328. 94 cm) 6 inches (15. To what extent does the April 4, 1975, variance order adequately. 5″ tread. OSHA requires stair landings to be at least the width of the stair and at least 30 inches in depth, measured in the direction of travel [OSHA 1910. The distance between the ship's ladder and any obstacle on the climbing side must be at least 30 inches. This letter constitutes OSHA's interpretation of the requirements discussed. These stairs must have a 22-inch wide and 30-inch deep landing for every 12 feet of vertical rise and be set at an angle between 30 and 50 degrees from the horizontal. Measure horizontally from the front edge (or nosing) of a stair tread backwards to the stair riser. *. OSHA requirements for standard stairs. (a) General. Chapter 10 of this code is duplicated in Chapter 10 of the International Fire Code ®; however, the International Fire Code contains one additional section on maintenance of the means of egress system in existing buildings. OSHA requirements are set by statute, standards, and regulations. Standard 36" wide treads, 41 1/4" overall stair width. Tread Edge Radius ½” max. Standard finish blue enamel, others available upon request. (36″ wide areas served by less than 50 people) Railings & Guardrail: OSHA requires railings on open sides of stairwells and a handrail on at least on the side, preferably the right side descending at. Uneven steps can be a tripping hazard. 36(a)(1). General Requirements. That’s why we’ve compiled this guide for OSHA stair requirements. For example, stairs manufactured with a 45-degree stairway rise must have a minimum rise and tread of 8. "One stair rail system with hand rail on each open side" is required. NEC 210. Our letters of interpretation do not create new or additional requirements but rather explain these requirements and how they apply to particular circumstances. All handrails and handrail extensions shall be marked with a solid and continuous marking stripe and meet all of the following requirements:Here are the must-haves to meet OSHA safety standards for alternating stairs: A series of treads with a slope of 50 – 70 degrees from the horizontal. The clearance must continue past the last step for at least one stair tread depth. If you follow these requirements and adhere. Stairways less than 44 inches (1118 mm) in width or stairways serving one individual dwelling unit in Group R, Division 1 or 3 Occupancy or a Group R, Division 3 congregate residence may have one handrail. 2. Variations in riser height alternatively tread breadth wants not be over ¼-inch (0. 547. Stairwells and Stairs. § 50. Indeed, the list of OSHA stair standards for fixed industrial stairs take up multiple sections. Our line of stair nosings, treads, platforms and landings, in aluminum, bronze, nickel bronze and iron are designed for use in malls, transit industry, public buildings and schools, for interior and exterior applications. 1060) are explained in this discussion. 11″ tread Stair Width A minimum 22″ wide stair A […]An emergency egress stair meeting the International Building Code requirements of an 11″ stair tread and a 7″ stair riser has an angle of 32. 25 Portable wood ladders. Stair Tread span measurements are based on 3/16" thick rectangular bearing bars and 1/4" thick I-Bar bearing bars. OSHA requires a tread depth of 9. Curved or Beveled Nosing 1½” max. OSHA Enforcement ; Annual Inspection Data ; Topics Back. Minimum 6′-8″ headroom height clearance for stairway. No control over the department of the destination server. Of course, you should also check the OSHA codes as well as local building codes when designing a ship ladder. Note that our enforcement. To meet OSHA requirements and maximize safety, ReadyStair solutions incorporate all the key components of industrial stair safety: Precision design and construction From degrees of riser height to tread width, OSHA has strict guidelines for. All required handrails shall be continuous for the full length of the stairs from a point directly above the top riser. The measurement of 865 millimetres can be taken vertically anywhereSee Sections 1609 for wind design requirements and 1613 for earthquake design requirements. Consult the OSHA regulations 29 CFR 1926. 29(b)(2)(iii) Keeping up with legislation. Since that time, OSHA has received many questions and requests for interpretation of the requirements for handrails and stair rail systems. 24 to 19. 5 requires "the leading 2" of the tread shall have visual contrast of dark-on-light or light-on-dark from the remainder of the tread. website at or contact the OSHA Publications Office U. Building codes in most areas specify that there must be a landing. step down on the interior, and up to two steps down to the landing on the exterior (regardless of which way the door swings, it can only swing over one step). 1910. 25”) and 355 mm (14”), between successive steps; rise: between 125 mm (5”) and 200 mm (7-7/8”), between successive treads; landing: less than 4. 25 – Stairways: 1910. For Employers ; Worker Rights ; Workers Memorial ;. The IBC code for structural design has some very specific requirements for deck stairs: Stair rails on decks should be between 34 inches and 38 inches high, measured vertically from the nose of the tread to the top of the rail. (1) Stairways shall be al least 24 inches in width and shall be equipped with stair rails, handrails, treads, and landings. The stair will be installed at a 70-degree angle or less. There are also section codes in place for standard stair tread dimensions. Handrails shall be at a uniformly height above walking surfaces, stair nosings, additionally ramp flat. 12, Point A shall be the point from which dimensions of width, length and depth are established for the minimum diving water envelope. Additional requirements for ladders used on or with scaffolds are contained in subpart L—Scaffolds. "One stair rail system with hand rail on each open side" is required. OSHA stair requirements vs IBC stair requirement Stair components and stair types definitions Applications for different types of steep stairs Stair and handrail. OSHA’s proposal focuses on two sets of situations: Correcting rail requirements for stairways narrower than 44 inches, and with 2 open sides, by inserting words accidentally omitted when the 2017 requirements were published: - from “one stair rail system [on] each open side”. However, the ICC notes that if the steps do not have nosings, and the steps have solid risers, not open risers, the minimum tread depth is 11 inches. 1. #1. 2 and R311. 28 (b) (11) (ii) Table D-2 contains a printing error, which OSHA will correct in a published notice. ADA Stair Rise Height. Training Requirements by Standard ; Enforcement Back. B. (2) Trim shall not reduce the required width by more than 3 1/2 inches. 2 allows access to unoccupied roofs to be a roof hatch or trap door. At least one. The depth of the immediately adjoining winder treads shall be equal at a point 12 inches from the narrow end of the tread or inside face of spindles or balusters. OSHA 1910. Shoveling Snow. S. 28(b)(11)(iii) Each ship stairs and alternating tread type stairs is equipped with handrails on both sides. Spiral stairways shall meet the following requirements: 1917. Section R317. 11 inches (27. The Agency’s interpretations explain these requirements and how they apply to particular circumstances, but they do not create additional employer obligations. 24(h) 1926. 23(e), Railing Specifications. 2120. The nosing hides the seam between the riser and tread and is both for aesthetics and safety. Handrails must be placed between 34″ and 38″ in height, measuring from the nosing of the stair. 7 Safety Treads 2. live load plus the concentrated load. 3 COMPONENTS. But if your stairs don’t have a nosing you are required to have a tread that is at least 11 inches long. 24 for the safe design and construction of fixed general. 5, the minimum depth of the tread is 13 inches (330 mm) and not less than one handrail complying with Section 1014 is provided within 30 inches (762 mm) of the. The 493S is a premium quality, fully recessed aluminium safety tread, to highlight the leading edge of the step or add safe grip to ramps and flat surfaces. DRAWING 8. McNICHOLS® Grating Stair Treads are assembled with the very best quality and craftsmanship available. They’re available in 3", 9" and 11 ¾" step covers with stair nosing. Spiral stairs must meet the vertical clearance requirements inLoad-capacity of 1,000 lbs. Variances From the top flight of stairs to the bottom of the stairs, each. This letter constitutes OSHA's interpretation of the requirements discussed. 22 (a) Whenever practicable, a gangway of not less than 20 inches (. The OSHA catwalk width requirements are found in section 1910. Handrails at the top of stairs should level out and continue for an additional 12 inches. REMEMBER THESE THINGS. and a vertical clearance above any stair tread to any overhead obstruction of at least 6 feet 8. 5 Point A. 3 specifies 300 lb stair tread load at an area of 4 sq in at center of tread. 17, 2017, must be at least 42 inches. 1926. The riser height shall be not more than 7 3 / 4 inches (196 mm). What if the doorway described in §1910. SPS 321. The IRC requires a minimum stair tread depth of 10 inches (254 mm) with a nosing projection of between ¾ and 1 ¼ inches (19-32 mm). Made from panels of Bar, Plank, and Fiberglass Gratings, we are certain to have the right combination to meet your project requirements. The stair riser code is up to 7. Handrails may project from each side of a stairway a distance of 3 1/2 inches into the required width. The OSHA catwalk standards for catwalk widths, toeboards, and load requirements are found in sections 1910. The requirements of OSHA safety regulations for the safe use of ladders and stairs (Subpart X, Title 29 Code of Federal Regulations, Part 1926. Nosings are required to overhang a minimum of ¾-in. 11 +. The maximum variations in the height of risers or the width of treads in any one flight shall be one-fourth-inch. 1052(c) OSHA requirements are set by statute, standards and regulations. 4 Height. 25 inches and 1 inch, respectively. b. Variations in stair height cannot exceed 1/4 inch. Enforcement. Riser height is measured vertically between two adjacent stair treads (the horizontal portion of stairs). Effective January 17, 2017, OSHA defines stairway (stairs) to mean “risers and treads that connect one level with another, and includes any landings and platforms in between those levels. osha. In groups R-3, R-2, and U auxiliary occupancies, the maximum riser height is 7-3/4 inches. Usually I use 80-100 psf, however with OSHA's FS=5, I'm considering using 60 psf to avoid using larger than normal material. ASAE S211. 24 (i) "Vertical clearance. (b) General requirements. 23 defines the requirements for ladders. Identification & Prevention. What if the doorway described in §1910. Reference definitions in 1910. to a. 5 inches (24 cm) following OSHA 1910. 5” . Standard 36" wide treads, 40" overall stair width. All stair treads must be reasonably slip-resistant and the nosings shall be of nonslip finish. Step Guardrail Height: Unlike ADA guidelines, the guardrails in OSHA steps also act as handrails when the top edge of the guardrail is between 36 and 38 inches above the leading edge of the stair tread. Also, the exception to IBC 1011. See all powder-coated color options. 5. For more information, see Section 1011 of the 2015 International Building Code for a more in-depth look at commercial stair requirements. A stair with a single riser or with two risers and a tread is permitted at locations not required to be accessible by Chapter 11 where the risers and treads comply with Section 1011. 505. 21 which stair pace means a horizontal member on a stair button stairway yet does not include landings or platforms. The below table simply depicts these factors: OSHA IBC Risers & Tread 8″ open riser a 9. 1926. Exceptions: Handrails may be interrupted by a newel post at a turn. Placement C. It is important to note that in the most recent version of this ANSI standard, ANSI A1264. website at or contact the OSHA Publications Office U. Distance between the two stair railings as measured from the two closest edges. The largest tread width or riser height in any flight of stairs. 5 inches at the walk line, a riser height maximum of 9. (b) Where a stairway of two or fewer risers is located on the exterior side of a door, other than the. To me, the more important safety issue is that the riser heights and tread depths be. (Title 24, Part 2, Section 2-3326 (e). It has comparable functionality to other grating types but has more tightly spaced cross bars. A minimum 44″ wide in most cases. For all non-egress exterior doors, the 2003 code update allows a 7-3/4-in. 2. The treads must also be level. 5, the minimum depth of the tread is 13 inches (330 mm) and not less than one handrail complying with Section 1014 is provided within 30 inches (762 mm) of the. 5, the minimum depth of the tread is 13 inches (330 mm) and not less than one handrail complying with Section 1014 is provided within 30 inches (762 mm) of the. 25 (b) Compliant fall protection (guardrail system) Uniform riser heights and tread depths . The height of stair rail systems installed on or after January 17, 2017 is not less than 42 inches (107 cm) from the leading edge of the stair tread to the top surface of the top rail. "One stair rail system with hand rail on each open side" is required. OSHA says exposure to these types of hazards pose a. Stair tread depths shall be 11 inches (279 mm) minimum. 22 from the list price if you will provide your own bracing for the system. 24, 1978; 49 FR 5321, Feb. Download Drawings, CAD, Spec, and LEED documents at Nystrom. ASAE S207. 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. oregon. A. 78 cm), respectively. Risers for OSHA stairs are allowed to be open. 5 Stair treads. The IBC contains requirements for exit stairway enclosures that address fire-resistance and smoke protection, stairways and handrails, signs, and other features. S. The step tread is the part of the stairs that you walk on. The general standards also address. (iv) Have treads and landings of slip resistant surfaces.