Useful over all industries, this information will help you determine what is needed to ensure to safety of your employees and this production of your adroitness. (Title 24, Part 2, Section 2-3326 (e). RE: OSHA req'mnts for stair loading. The stair riser code is up to 7. C - Riser height: between 12. and a vertical clearance above any stair tread to any overhead obstruction of at least 6 feet 8 inches. 5" tread depth. We provide building stairway codes that specify the size and placement requirements for safe, accessible stairway landings & platforms. 851 (c) In a multistory building, when a stairwell is being used, it shall be properly illuminated by either natural or artificial means, and completely. Identification & Prevention. ¯W” j [)Ù·ïXŠ»¦1¬ Û€a4:ü’> 4æ €«A"H-@Y°œƒ¶€h4 ¨ ÆZ” ¹ ŽBÁÝ »oε Ë> Ÿ»½ mh £!…Þ’hot4&ö!I2 ¶{99–—_]·Z ÕÚ»Úw z±MÛœO}uÁ Ü c嶛5+Ø®-ëîT¶®®^¢Bè¸Z±OîùX®›Ë>¡ñ 9˜” HŸºzàAsëºæÜV®#Ý ¿)|é •7 GÚ]œ·0 H’ -‰š3 Ú2 6. OSHA requirements are set by statute, standards and regulations. Aluminum Handrail and Guard Railing: Aluminum handrail and guard railing shall meet the requirements of Section 05521 Aluminum Handrails and Railings. Construction Safety Orders Article 17. 25(f)(2) Have an distance between handrails of 17 to 24 inches (51 to 61 cm); OSHA stairs are required to be a minimum of 22 inches wide. 24 (i) "Vertical clearance. Also, the exception to IBC 1011. Chad Holder. The opening between adjacent treads is not limited on stairs with a total rise of 30 inches or less. NE Salem, OR 97301-3882 Basic OSHA Stair Requirements. OSHA stairs require less treads, a shorter horizontal run, and less extra railing, allow for a shorter, steeper stair that can generally save companies. Winder treads should have a minimum tread depth of 11. 25 inches. Weight-Bearing. Private stairways serving an occupant load of less than 10 may be 30 inches wide. OSHA requirements are set by statute, standards, and regulations. User note: About this chapter: Chapter 3 contains a wide array of building planning requirements that are critical to designing a safe and usable building. 02 SUBMITTALS A. 1 -2007, Safety Requirements for Workplace Walking/Working Surfaces and Their Access; Workplace, Floor, Wall and Roof Openings; Stairs and Guardrails Systems, the standard now states in Section 6. The Agency’s interpretations explain these require-. If you follow these requirements and adhere. 7 Safety Treads 2. Other widths available. 5. Such temporary treads and landings shall be replaced when worn below the level of the top edge of the pan. It offers an attractive appearance while enhancing pedestrian safety. An employer must ensure that a walkway, runway or ramp. Lack of B. 94 cm) 6 inches (15. 29(d)(1). 451 and the general requirements mandated under sub section (e) (5). • Variations in riser height or stair tread depth must not exceed 1/4 inch in any stairway system, including any foundation structure used as one or more treads of1003. OSHA requires railings on open sides of stairwells and a handrail on at least on the side, preferably the right side descending at 42″ high. Department of Labor200 Constitution Avenue, NW, N-3101 Washington, DC 20210 Telephone (202) 693-1888 or fax to (202) 693-2498. (a) is strong enough to support the equipment and workers who may use it, (b) is at least 600 millimetres wide, (c) is wide enough to ensure the safe movement of equipment and workers, and. (ICC) includes the building code and fire code which address in detail the requirements for safety and slip resistance in stairs and means of egress as already discussed. IBC Stairs require guardrails of 42″ high and handrails of 34″ high on both sides of the stairwell. (d) The narrowest width in a stairway or landing serving a stairway shall determine the units of width for the. The riser height shall be measured vertically between the nosings of adjacent treads or between the stairway landing and the adjacent tread. It also requires handrails, guardrails, and platforms for each stairway, and the use of windings and platforms for certain types of stairs. 1 specifies 100 psf min. 14 DEC2020 Operating Requirements for Tractors and Power Take-Off Driven Implements. Railings for industrial spiral staircases have their own specific set of OSHA rules. Rectangular tread depths shall be 11 inches (279 mm) minimum measured horizontally between the vertical planes of the. . This is often in compliance with legal safety requirements to have two independent fire escape. Ships ladders are steep angled stair devices with angles between 50 and 70 degrees. The OSHA catwalk standards for catwalk widths, toeboards, and load requirements are found in sections 1910. OSHA requirements are set by statute, standards and regulations. Figure D-13 - Combination Handrail and Stair Rail. Employers must comply with all applicable OSHA standards. Also the maximum nosing radius cannot exceed 9/16 of an inch. OSHA requirements are set by statute, standards, and regulations. For projects falling under the IRC, the minimum tread depth is 10 inches, plus a required nosing of at least ¾ inch. Stair safety in the home is an important issue often overlooked. Topics. 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”. OSHA stairs are required to be a minimum of 22 inches wide. 24. Stair treads and risers shall meet the requirements of this section. Ladder Safety Requirements: IBC relative OSHA. 2003 ANSI A117. OSHA stairs are required to be a minimum of 22 inches wide. Within a staircase, treads shall have a uniform run and tread depth that does not vary more than 0. Which minimum profile depth shall subsist 11 inches. For example, stairs manufactured with a 45-degree stairway rise must have a minimum rise and tread of 8. Which minimum profile depth shall subsist 11 inches. S. to a. Thank you for your interest in occupational safety and health. 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. OSHA requirements are set by statute, standards, and regulations. Treads (the horizontal stair element you step on) that are at least 10 inches in depth and no more than 14 inches. Treads must be slip-resistant with nonslip nosings. 5 and 35. The nosing on treads, believe it or not, has a code minimum and maximum of how far the nosing projects over the next stair. On November 18, 2016, OSHA published a final rule on Walking-Working Surfaces and Personal Protective Equipment (Fall Protection Systems) in the Federal. 11 inches (27. 5. Facebook; Twitter; Instagram; RSS; Subscribe; YouTube; NAVIGATIONareas of job safety and health. 1053 (a) (1) Ladders shall be capable of supporting the following loads without failure: 1926. More similar in landing requirements, both OSHA and IBC require landings at the top and bottom of the stairs. Occupational Safety and Health Administration (OSHA) Consistent with this federal agency's mission of protecting workers, they have identified requirements for stairs. All required handrails shall be continuous for the full length of the stairs from a point directly above the top riser. 2. 851 (b) All stairs, passageways, ladders and incidental equipment thereto, which are covered by this section, shall be periodically inspected and maintained in a clean safe condition. 1. The agency has received numerous questions asking when handrails are required, and about the height requirements for handrails on stairs and stair rail systems. This section is intended to prescribe rulesMaximum 12 feet vertical height (rise) for a flight of stairs. 5 inches at the walk line, a riser height maximum of 9. I had to comply with OSHA requirements when safety guys asked for it during a design for a platform at a. The IBC contains requirements for exit stairway enclosures that address fire-resistance and smoke protection, stairways and handrails, signs, and other features. 7668 | 313. 5 Stair treads and risers. 25 also for IBC section 10 means are output. MIGUEL FRANKLIN. NEC section 210. It includes specifications for landings, risers, treads, handrails, and temporary service of stairways, as well as the height and location of stairrails and midrails. The clearance must continue past the last step for at least one stair tread depth. Handrail Required On One Side If 4 Or More Risers. Stair treads and nosings are addressed, respectively, by Sections R311. OSHA 1910. Treads must be at least 10 inches deep, measuring from front to back. 9 of the Administrative Code shall not be required to comply with this requirement, but shall have a rise no greater than that permitted by this rule. 25 (Fixed Industrial Stairs) listed below price table. 83 in dry conditions and 0. • Vertical clearance above any stair tread to an overhead obstruction shall be at least 7 feet measured from the leading edge of the tread. Therefore let us recap on the residential stair code requirements: Minimum 36 inch clear width for stairway. Stairwells and Stairs. 1926. S. OSHA 1910. Employers must ensure handrails, stair rail systems, and guardrail systems are provided in accordance with the OSHA 1910. For Employers ; Worker Rights ; Workers Memorial ;. Anchorage. Maximum 7-3/4 inch stair riser height. Therefore, if your stair railings are 30-34" as specified in §1910. Meets OSHA requirements. Rise and tread measurements are dictated by the angle of the stairway rise. Training Requirements by Standard ; Enforcement Back. Occupational Safety and Health Administration, Department of Labor. OSHA published a final rule on walking-working surfaces and personal protective equipment in November 2016 that updated requirements for slip, trip and fall hazards. Beginning with the general requirements: All stairways constructed in the State of California must be at least 24 inches in width and must be fortified with appropriate stair rails, handrails, treads, and landings. ²[‡¥”š8. 28 (b) (5) (ii) (A). 25 defines the requirements for stairs. Maximum height is 38 inches. Download Drawings, CAD, Spec, and LEED documents at Nystrom. S. Tread Edge Radius ½” max. Minimum tread width of 10 "- maximum difference among treads 3/8". Slips, Trips& Falls. For technical requirements for fire protection, see paragraph 2-2. The IBC mimimum requirements for wide stairs are: A handrail on both sides of the wide stairway. Stair Treads are common in residential, industrial, and architectural applications. This subpart does not apply to integral components of equipment covered by subpart CC. In any stairway, the tread depth and nosing depth have a maximum permitted variation of ⅜ inch. 0400 Fax: 313-923-4555 OSHA General stair requirements 1910. The minimum recommended stair landing length is 36" (or a length and width sufficiently greater than the swing of the door if a wider door is present. 28 and 1910. 2120. Chapter 10 is subdivided into four main sections: general. Therefore let us recap on the residential stair code requirements: Minimum 36 inch clear width for stairway. Handrails must be placed between 34″ and 38″ in height, measuring from the nosing of the stair. Go; Company; Gallery; Videos; Support; Careers; ErectaStep Sales 888. Normal use by employees. com Nystrom. OSHA 1910. Lack of B. For Employers ; Worker Rights ; Workers Memorial ;. The raised button surface we use to make ramps and treads has a COF of 0. 5. 3. 5 inches (24 cm) following OSHA 1910. Fire proof construction. Aluminum stair treads shall have 1-1/4-inch wide abrasive nosing. Note that our enforcement. 121 (b) (1) Stairways shall conform to the minimum dimensions of Figure F-1; Spiral Stairway - Minimum Dimensions. Since that time, OSHA has received many questions and requests for interpretation of the requirements for handrails and stair rail systems. 2, [Stairways] Treads and Risers, states, “All steps on a flight of stairs shall have uniform riser heights and uniform tread depths. "One stair rail system with hand rail on each open side" is required. The stairway must be at least 36 inches wide, measured above the handrail. However, you’ll find IBC landings are larger, approximately four feet square. Life Safety Code, or IFC-2009, International Fire Code (incorporated by reference, see § 1910. nor more than 38 inches above the nosing of the treads. Construction Safety Orders Article 17. This web page provides the OSHA standard number, title, and subpart for the requirements of stairways and ladders in construction. 5” minimum. 1918. The below table simply depicts these factors: OSHA IBC Risers & Tread 8″ open riser a 9. shall not exceed the smallest by more than 3/8 inch. Baluster opening in triangular area below stair guard bottom rail and stair tread (maximum sphere passage <= 6") Hand-railing heights are given: U. 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. Vertical rise – 30° to 50°. Training Requirements by Standard ; Enforcement Back. Overall width of 23"; inside handrail width of 20". A stair rail may serve as a handrail only when the top surface of the top rail is between 36 and 38 inches from the. 2010 ADA Standard 504. and a vertical clearance above any stair tread to any overhead obstruction of at least 6 feet 8 inches. 2 DEC1978 (R2023) Power Take-off Definitions and Terminology for Agricultural Tractors. The height of top rails, or equivalent guardrail system members, is 42 inches, +/- 3 inches, and may not exceed 45 inches above the walking. According to OSHA guidelines, the minimum dimension for landings is 22” wide by 30” deep; all stairs with four or more risers must have handrails and guardrails; variations in riser height or stair tread depth must not exceed . Ramps, Runways, Stairwells, and Stairs. 7. This is measured from the top surface of the handrail. There are also section codes in place for standard stair tread dimensions. Tread width must be uniform. Minimum 6′-8″ headroom height clearance for stairway. (2) Vertical clearance above any stair treaded to any hanging obstruction is at least 6 feet, 8 linear (203 cm. 75 inches, and can not vary more than 3/8 of an inch. 2 Treads. 7. 1. 25 Portable wood ladders. Table 1203. • Clarifies requirements for testing and special inspection of selected building materials during construction. 3. Safe-T-Metal Safe-T-Metal Products have been leading in the field of abrasive castings for over 40 years. c. 1 Section 504. 878. To obtain an order form or copies of these codes, address: Department of Consumer & Business Services Oregon Occupational Safety & Health Division (Oregon OSHA) 350 Winter St. Because interpreta-tions and enforcement policy may change over time, you should consult current OSHA administrative interpretations and decisions by the Occupational Safety and Health Review Commission and the Courts for additional guidance on OSHA compliance requirements. Let’s take a closer look. 5 metres apart measured verticallyThe PHP Guardrail System ensures OSHA compliance and protects anyone working within six feet of a roof’s edge or elevations over 48 inches. Minimum 6′-8″ headroom height clearance for stairway. The IBC mandates a minimum tread depth of 11 inches (279 mm) for commercial staircases, with nosing projections between ¾ and 1 ½ inches (19-38 mm). In addition, ANSI A10. 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. (f) Alternating tread-type stairs. Call Us Today: 856. 7. 1014. Handrail height at stairs is required to be between 34”-38” high. The Agency’s interpretations explain these requirements and how they apply to particular circumstances, but they do not create additional employer obligations. (b) General requirements. Maximum 4-1/2 inch handrail projection into stairway width, on either side. 29 define the duty to have fall protection and the requirements for fall protection systems. 4. Stairwells and Stairs. Stringers may project 1 1/2 inches. Table of Contents. . Specifically in Section 1910. The employer must ensure guardrail systems meet the following requirements: 1910. Fixed Industrial Stairs: OSHA Standard 1910. 1910. Measure horizontally from the front edge (or nosing) of a stair tread backwards to the stair riser. Stair Tread Nosing Overhang Code Requirements. So enter in the footing calculator, 6" depth by 12" width (always figure steps with a 12" width) by 9' length. OSHA stair requirements vs IBC stair requirement Stair components and stair types definitions Applications for different types of steep stairs Stair and handrail. 5-1982 - American National Standard for Ladders - Portable Reinforced Plastic - Safety Requirements [55. Handrails may project from each side of a stairway a distance of 3 1/2 inches into the required width. R311. For more information, see Section 1011 of the 2015 International Building Code for a more in-depth look at commercial stair requirements. Stairwells and Stairs. 28 and 1910. At the top of a stair flight, handrails shall extend horizontally above the landing for 12 inches (305 mm) minimum beginning directly above the first riser nosing. Handrail Grip Size Is 1-1/4" to 2" in Diameter. Elevated catwalks should be provided access by a stairway. Normal use by employees. OSHA catwalk stair requirements. When it comes to protecting your employees, roof, and equipment—high risk never results in high reward. Subchapter 4. Handrails shall be at a uniformly height above walking surfaces, stair nosings, additionally ramp flat. 3 METAL. Subtract $328. 28 and 1910. General Requirements. %PDF-1. The top rail must be at least 42 inches in height (§1910. California Code of Regulations, Title 8, Section 1626. This letter constitutes OSHA's interpretation of the requirements discussed. 120 (b) (2) Stair landings shall be at least 20 inches (50. Standard finish gray polyester. 1910. Advisory 505. The OSHA rules apply to all stairways and ladders used in construction, alteration, repair (including painting and decorating), and demolition of work. Learn more about the key components of. Recommendation: Providing visual contrast (light-on-dark or dark-on-light) on the top and. In both DCA 6 and the 2015 IRC, requirements for riser height and tread depth are 7 3/4 inches (max. ”Residential Interior Stairs Code Requirements. 25” in any stairway; and stairways must be installed between 30 and 50 degrees from the horizontal. Ramps should have an inclination of not. 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. It is important to note that in the most recent version of this ANSI standard, ANSI A1264. Alliance ProgramAlliances enable organizations committed toworkplace safety and health to collaborate with. OSHA says exposure to these types of hazards pose a. Training Requirements by Standard ; Enforcement Back. Temporary Stairs: Except during construction of the stairway: Do not use stairways with metal pan landings and treads if the treads and/or landings have not been filled in with concrete or other materials unless the pans of the stairs and/or landings are temporarily. The maximum and minimum cross-sectional dimension should be 2. 25(b)(5)(ii) and shown in figure D-7 is. The requirements of OSHA safety regulations for the safe use of ladders and stairs (Subpart X, Title 29 Code of Federal Regulations, Part 1926. The first type is the handrails that are present on either side of a set of stairs. Watch out: We do not recommend this stair tread approach as too often we find the treads break away from the stringer causing catastrophic stair tread collapse and perhaps serious injuries. The employer must ensure each safety net system meets the requirements in 29 CFR part 1926, subpart M. 25 (Fixed Industrial Stairs) listed below price table. This section covers the general requirements for stairways, including standard, spiral, ship, and alternating tread-type stairs, such as the height, depth, width, and clearance of each tread. Hazards not covered by Shipyard IndustryOSHA's Walking-working surfaces standard, 29 CFR 1910. ADA handrail height should be between 34 and 38 inches. Some areas require taller guardrail. 29(b)(2)(iii) Post navigation. Move all of the treads to the upper level. Angled Riser 30° max. 2. The riser height shall be measured vertically between the leading edges of adjacent treads. ADA-compliant grating is a panel of vertically positioned metal bars joined to perpendicular cross bars that meets Americans With Disabilities Act requirements, creating a safe and accessible surface for those with disabilities. Solid or open tread surface is required;. OSHA sets and enforces standards to assure safe and healthy working conditions for working men and women. Also, a commenter (Docket S-041, Ex. Stairs with winders need to be at least 11″ deep and when 12″ in from the narrow edge and the minimum depth must be 10″. Minimum tread depth of 9. The terms “subdivision” and “subpart” are synonymous within OAR 437, Oregon Occupational Safety and Health Code. What if the doorway described in §1910. 7″ closed riser, max 4″ open gap. 1052(a)(4). Minimum width of 22”. The experts at ErectaStep explain the differences between trade and industrial safety code. 28; (2) Vertical clearance above any stair tread to any overhead obstruction is at least 6 feet, 8 inches (203 cm), as measured from the leading edge of the tread. 7. Stairs are such a familiar part of buildings that the dangers associated with them are often overlooked. Ramps that measure more than 6 feet above lower levels (areas below the level at which a worker is working and could fall) should be equipped with guardrail systems. 1050. What if the doorway described in §1910. handrails for stairs with one side against a wall: 30-38". ASAE S211. Spiral stairs must meet the vertical clearance requirements inLoad-capacity of 1,000 lbs. 5 "width below handrail height where handrail is on one side. " The commentary states, "the intent of the striping is to allow persons with visual impairments to identify the forward edge or each tread and landing. Indeed, the list of OSHA stair standards for fixed industrial stairs take up multiple sections. - to “one stair rail system with handrail on each open side”. The final rule defines ship stairs as “a stairway that is equipped with treads, stair rails, and open risers. If a stairway accesses the catwalk, the width requirements depend on the width of the stairway that serves it. 26. Standard stairs must have a maximum riser height of 9. Stair Width – OSHA stair tread requirements 90 Railings and Guardrails – OSHA handrail requirements 390 | IBC handrail 320 Balusters – OSHA 1910. , Labor §1910. Distance between the two stair railings as measured from the two closest edges. 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. Tread depth at walk line shall measure a consistent 12 inch distance from the side of the stairway, shall be uniform. Many construction employees work at six feet or more above ground and need to be protected from slip-and-fall hazards. We hope you find this information helpful. run: between 235 mm (9. The OSHA General Requirements (29 CFR 1926. a. This web page provides the OSHA standard number, title, and subpart for the requirements of stairways and ladders in construction. 5. However, it requires that the stair landings be at least the width of the stair or 48 inches, whichever is less. Department of Labor200 Constitution Avenue, NW, N-3101 Washington, DC 20210 Telephone (202) 693-1888 or fax to (202) 693-2498. *This chart is for general reference. To what extent does the April 4, 1975, variance order adequately. STAIRMASTER anti-slip renovation treads are ideal for exit path markings, safety egress systems, steps and landings. OSHA requirements are set by statute, standards, and regulations. Oregon Administrative Rules Oregon Occupational Safety and Health Division WORKING SURFACES D 437-004-0310 D-1 (1) – (7) 437-004-0310 Working Surfaces. 7. Training Requirements by Standard ; Enforcement Back. For example, stairs manufactured with a 45-degree stairway rise must have a minimum rise and tread of 8. Curved or Beveled Nosing 1½” max. 5 inches (15. More similar in landing requirements, both OSHA and IBC require landings at the top and bottom of the stairs. Safety grating walkways, planks and grating beneath acess covers. 1910. These regulations are crucial in safeguarding personnel and visitors, as well as avoiding costly penalties and lawsuits for non-compliance. For complete information, see the moved sections table in. The largest tread width or riser height in any flight of stairs. 5. Stair riser heights shall be 7 inches (178 mm) maximum and 4 inches (102 mm) minimum. Topics. 3-stringer design with treads welded to the stringers. Spiral stairways shall meet the following requirements: 1917. The IRC stairs code states that, to comply with stairway requirements, the minimum width for residential stairs be no less than 36 inches. B. [ §504] Requirements for stairways address treads and risers, surfaces, nosings, and handrails. Thank you for your interest in occupational safety and health. Vertical rise between treads is generally around 9". Thank you for your interest in occupational safety and health. 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. 5. OSHA standards or the Occupational Safety and Health Act of 1970. Note that our enforcement. For the purposes of this section all dimensions and dimensioned surfaces shall be exclusive of carpets, rugs or runners. Part 4:Exceptions: A single step with a maximum riser height of 7 inches (178 mm) is permitted for buildings with occupancies in Groups F, H, R-2 and R-3 and Groups S and U at exterior doors not required to be accessible by Chapter 11. A minimum 7 inches tread width, measured at the leading tread edge. 25 (4) Have a minimum tread width of 18 inches (46 cm). Step Treads. The stair shall be capable of withstanding a minimum uniform load of 100 pounds per square foot with a design factor of 1. B - Handrail height: between 86. Section R311: Means of Egress in the IRC code states that staircases should have a minimum width of 36 inches. 25 inches. Stair structure, treads and risers shall be in sound condition, properly supported and anchored, and capable of supporting anticipated loads. Table D-2 - Stairway Handrail Requirements; Stair width Enclosed One open side Two open sides With earth built up on both sides; Less than 44 inches (1. com The employer must ensure: ( 1) Handrails, stair rail systems, and guardrail systems are provided in accordance with § 1910. The uniformity of risers and treads is a safety factor in any flight of stairs. 5 Stair treads or risers. The maximum rise of each step is eight inches; the minimum rise is four inches. The following requirements apply to all stairways as indicated: (a) Stairways that will not be a permanent part of the structure on which construction work is being performed must have landings of not less than 30 inches (76 cm) in the direction of travel and extend at least 22 inches (56 cm) in width at every 12 feet (3. Treads should not slope more than 2%. Spiral stairways shall meet the following requirements: 1917. 05 cm), stair width a minimum of 22 inches (55. The means of egress shall have a ceiling height of not less than 7 feet 6 inches (2286 mm) above the finished floor. Maximum 12′-7″ vertical height (rise) for a flight of stairs. The employer must ensure: (1) Handrails, stair rail systems, and guardrail systems are provided in accordance with § 1910. Understanding the OSHA stair requirements as well as IBC stair requirements can help ensure your stairs are safe and at adherence. Enforcement. 1052(c)(7) 1926. 1910. 17 cubic yards. 1910. In groups R-3, R-2, and U auxiliary occupancies, the maximum riser height is 7-3/4 inches. website at or contact the OSHA Publications Office U.