This letter constitutes OSHA's interpretation of the requirements discussed. Maximum 4-1/2 inch handrail projection into stairway width, on either side. Vertical rise between treads is generally around 9". [DSA-AC & HCD 1-AC] In addition to the requirement of this chapter, means of. (Title 24, Part 2, Section 3305 (b). Every stairway serving any building or portion thereof shall conform to the requirements of this Section. Risers for OSHA stairs. For the purposes of this section, dimensions and dimensioned surfaces shall be exclusive of carpets, rugs or runners. An OSHA-approved state plan must have safety and health requirements at least as effective as those of Federal OSHA and must adopt comparable stateThe treads and risers must have uniform width, length and height. Plastic composite deck boards and stair treads, or their packaging, shall bear a label that indicates compliance to ASTM D7032 and includes the allowable load and. Strength OSHA's stair requirements cover various aspects, including the minimum width of stairs, the height and depth of steps, handrails, slip-resistant surfaces and more. California Code of Regulations, Title 8, Section 1626. Stair Code Example – Source BOCA 2001 stair construction code details: Stair riser heights shall be 7 inches (178 mm) maximum and 4 inches (102 mm) minimum. 21 the stairBasic requirements. 4-1979 - Safety Requirements for Job-Made Ladders. Elongated openings shall be placed so that the long dimension is perpendicular to the direction of travel. 23(e), Railing Specifications. Thank you for your interest in occupational safety and health. Stair Tread Depth Definition. 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 tread depth shall not be. Intermediate landings on straight run stairs shall have a minimum length of 3 feet. In the 2012 edition of the OBC a distinction was made between tolerancesRisers and Treads. The topic of handrails that we are discussing today falls under the category of safety. 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. Maximum 4-1/2 inch handrail projection into stairway width, on either side. OSHA requires that stairs be designed for 5 times the anticipated live load. Ladders or other stairs used to comply with subd. Minimum 6′-8″ headroom height clearance for stairway. A minimum tread width of 10 “- maximum difference among treads 3/8”. Also the maximum nosing radius cannot exceed 9/16 of an inch. Created with funding by: A U. S. Therefore, if your stair railings are 30-34" as specified in §1910. This is much steeper than the typical angle of stairs of 45 degrees per OSHA and 30-32 degrees per IBC. Jan 31, 2013. Stair Tread nose projection uniformity (<= 3/8" variation) The greatest stair tread nosing projection shall not exceed the smallest nosing projection by more than 3/8 inch (9. The means of egress protection requirements work in coordination with other sections of the code, such as protection of vertical openings (see Chapter 7), interior finish (see Chapter 8), fire suppression and detection systems (see Chapter 9) and numerous others, all having an impact on life safety. Minimum tread width of 10 "- maximum difference among treads 3/8". Ramps, Runways, Stairwells, and Stairs. 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. Exterior stair paces must comply because total to general stair tread requirements found in IBC section 1011. Openings in stair walking surfaces shall be a size that does not permit the passage of 1 / 2 -inch-diameter (12. The treads are manufactured with heat-treated, corrosion-resistant aluminum substrate and a nearly diamond-hard aluminum oxide filler. Anti-slip safety treads. The below table simply depicts these factors: OSHA IBC Risers & Tread 8″ open riser a 9. Tread depth at walk line shall measure a consistent 12 inch distance from the side of the stairway, shall be uniform. Table of Contents. The height of top rails, or equivalent guardrail system members, is 42 inches, +/- 3 inches, and may not exceed 45 inches above the walking. 2, the riser height is measured uprightly between the nosings (the forward edge) of. STAIRMASTER anti-slip renovation treads are ideal for exit path markings, safety egress systems, steps and landings. Recommendation: Providing visual contrast (light-on-dark or dark-on-light) on the top and bottom steps that is approximately 2 inches wide and located either on nosings or at the leading edges of treads is helpful for people with low vision. See OSHA standard 1910. OSHA Height Requirements. The stair tread double-nose photograph above, provided by the InspectApedia. The riser height shall be measured vertically between the leading edges of adjacent treads. A minimum radius of 0. Safety Requirements. For all non-egress exterior doors, the 2003 code update allows a 7-3/4-in. That’s why we’ve compiled this guide to OSHA stair requirements. Recommendation: Providing visual contrast (light-on-dark or dark-on-light) on the top and bottom steps that is approximately 2 inches wide and located either on nosings or at the leading edges of treads is helpful for people with low vision. 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. NEC 210. 2 Ceiling Height. A landing pad is a flat surface made of concrete, pavers, or gravel at the bottom of the steps. 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. Occupational Safety and Health Administration 200 Constitution Ave NW Washington, DC 20210 1-800-321-OSHA 1-800-321-6742. Aluminum stair treads shall be a minimum of 1-1/2 inches thick, unless otherwise indicated on the drawings. What if the doorway described in §1910. Handrail height, measured above stair tread nosings, or finish surface of ramp slope, shall be uniform, not less than 34 inches (864 mm) and not more than 38 inches (965 mm). Exceptions: Sloped ceilings in accordance with Section 1207. ASAE S211. 5 Stair treads. Topics. At least one. These are then applied over thermoset, polyester-fiber reinforced polymer panels. 25(b)(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. Stair Width: A minimum 22″ wide stair. Stairways include standard, spiral, alternating tread-type, and ship stairs. 29(f)(1)(iii) 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. Similarly the detailer, fabricator and erector can provide flexibility at opening locations. gov OR-OSH 03/20 S-04 HANDRAILS What are they? Handrails are rails that provide a handhold for support. Treads with open risers or treads deeper than 11 inches do not require nosings. S. 23 (e) (2), you are in compliance with §1910. Risers (the vertical element connecting treads) that are no less than 6 inches in height and no more than 7. ) (c) Rise and Run. You have requested an interpretation of 29 CFR 1910. Placement C. 36(c)(1) Each exit discharge must lead directly outside or to a street, walkway, refuge area, public. Training Requirements by Standard ; Enforcement Back. 5. 3 times the maximum intended load. #1. As well as choosing the right stairs for your application it is also important to keep up to date with legislation changes. Plastic composite exterior deck boards, stair treads, guards and handrails shall comply with the requirements of ASTM D7032 and the requirements of this section. c. 24(c), Fixed Industrial Stairs, Stair strength , in regards to the application of a 1000 lbs load on fixed industrial stairs. 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. Winder treads should have a minimum tread depth of 11. The 2010 Standards set minimum requirements – both scoping and technical – for newly designed and constructed or altered State and local government facilities, public accommodations, and commercial facilities to be readily accessible to and usable by individuals with disabilities. Riser height shall be from 6 to 7. For Employers ; Worker Rights ; Workers Memorial ;. " 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. 2. Meets OSHA requirements. Subchapter 4. OSHA requirements are set by statute, standards and regulations. Handrails and guardrails are mandatory, but. Our interpretation letters explain these requirements and how they apply to particular circumstances, but they cannot create additional employer obligations. Meets OSHA requirements. 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 . This letter constitutes OSHA's interpretation of the requirements discussed. The metal grating tread can be plain or have a serrated surface. Minimum tread depth of 9. In addition, ANSI A10. Our interpretation letters explain these requirements and how they apply to particular circumstances, but they cannot create additional employer obligations. Understanding the OSHA stair requirements as now as IBC stair requirements canister help guarantee the stairs are safe and in compliance. 88 cm) between vertical barriers, tread depth a minimum of 12±2 inches (30. The means of egress shall have a ceiling height of not less than 7 feet 6 inches (2286 mm) above the finished floor. Regulations do change. 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. Occupational Safety and Health Administration 200 Constitution Ave NW Washington, DC 20210 1-800-321-OSHA 1-800-321-6742. Handrails must be placed between 34″ and 38″ in height, measuring from the nosing of the stair. Intercommunicating stairway. Enclosed accessible space under stairs shall have walls, under stair surface and anySPS 321. Stair tread depths shall be 11 inches (279 mm) minimum. In addition to cold stress, there are other winter weather related hazards that workers may be exposed to when performing tasks such as driving in the snow, removing snow from rooftops, and working near downed or damaged power lines. 25 inches and 1 inch, respectively. In any stairway, the tread depth and nosing depth have a maximum permitted variation of ⅜ inch. However, you’ll find IBC landings are larger, approximately four feet square. Handrail Height. In the U. 5” . 24 (a) (3) Step bolts are uniformly spaced at a vertical distance of not less than 12 inches (30 cm) and not more than 18 inches (46 cm) apart, measured center to center (see Figure D-6 of this. The riser height must be between 4″ and 7″ and the treads must be at least 11″ deep. Stair Treads are common in residential, industrial, and architectural applications. on the front five inches of the span at the center. 5 mm) between two stories, including the nosing at the level of floors and landings. OSHA 1910. 7. 1. In my vew these treads need to be repaired. FAQs Stair rails installed before Jan. Section R311: Means of Egress in the IRC code states that staircases should have a minimum width of 36 inches. What if the doorway described in §1910. 24, 1978; 49 FR 5321, Feb. Thank you for your interest in occupational safety and health. Some treads may include a nosing. The partner on the lower level, standing on a ladder, will control the descent of the treads and let them gradually stack up. IRC Stair Nosing Requirements. Submit manufacturers' product data for following items for approval: 1. Section 1910. 4. Arkansas. To me, the more important safety issue is that the riser heights and tread depths be. Since that time, OSHA has received many questions and requests for interpretation of the requirements for handrails and stair rail systems. Ships with rubber bumper attached to the center stringer. On November 18, 2016, OSHA published a final rule on Walking-Working Surfaces and Personal Protective Equipment (Fall Protection Systems) in the Federal Register ( 81 FR 82494 ). This letter constitutes OSHA's interpretation of the requirements discussed. 25(c)(1) Are installed at angles between 30 to 50 degrees from the horizontal;. The maximum permitted nosing is 1. In addition to paragraph (b) of this section, the employer must ensure standard stairs: 1910. 1910. Ceilings of dwelling units and sleeping units within residential occupancies in accordance with Section 1207. Thanks for your help. At a point less than 12’ in elevation, this spiral stair has a rest landing which is also an OSHA requirement. 493S Safety Insert Tread. 5 inches (15. Moving beyond mere regulatory compliance, adherence to OSHA standards protects workers from deadly safety hazards and health risks at work. In general, the standards require the following: When there is a break in elevation of 19 inches (48 cm) or more and no ramp, runway, embankment or personnel hoist is. Carefully slide the treads down the pole; do not let them fall. 8. Add the Treads. 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. 7″ closed riser, max 4″ open gap. 9 that "[f]lights of stairs, uninterrupted by landings, or. 1 specifies 100 psf min. 28 (b) (11) (ii) Table D-2 contains a printing error, which OSHA will correct in a published notice. 21 which stair pace means a horizontal member on a stair button stairway yet does not include landings or platforms. Summary of the similarities and differences of CONTAINERISATION and OSHA stair required to support safety standards in the workplace also in public spaces. OSHA 1910. The treads are manufactured with heat-treated, corrosion-resistant aluminum substrate and a nearly diamond-hard aluminum oxide filler. 24 3 Stair Treads All treads must be reasonably slip-resistant and the nosings must be of nonslip finish. The stairway must be at least 36 inches wide, measured above the handrail. 4 Height. Smoothness of surface D. 25(b)(5)(ii) and shown in figure D-7 is perpendicular to the direction of. 120 (b) (2) Stair landings shall be at least 20 inches (50. 8 Steel Framing for Concrete Stairs 2. 4 also lists special requirements for composite handrails made from a mix of wood and plastic. Go; Company; Gallery; Videos; Support; Careers; ErectaStep Sales 888. 36(a)(1). get my invoices app kioskMy opinion is the stair light switch must be readily accessible from the stair top and bottom landings. 05–20 of this chapter. and a vertical clearance above any stair tread to any overhead obstruction of at least 6 feet 8 inches. According to IBC 1011. The stair will be installed at a 70-degree angle or less. OSHA 1910. Standard finish gray polyester. Stair Width – OSHA stair tread requirements 90 Railings and Guardrails – OSHA handrail requirements 390 | IBC handrail 320 Balusters – OSHA 1910. 1910. 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. 2120. 5 and 107 cm* +. A minimum 44″ wide in most cases. 6 %âãÏÓ 498 0 obj >stream hÞÔ–ÛŠÛ0 †_eÞ@ K. 25 (b) (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. The OSHA stair headroom clearance requirements are found in OSHA 1910. OSHA requirements for stairs used during construction apply to any stairs, fixed or temporary, that construction employees may use. Different requirements for children show a maximum height of 28″ with a minimum clearance of 9″ between the adult rail and the childrens’ rail, which is only a recommendation and not a requirement. Which minimum profile depth shall subsist 11 inches. Riser height – 9. Standard 36" wide treads, 40" overall stair width. Consult the OSHA regulations 29 CFR 1926. Smoothness of surface D. Note that our enforcement. Anchorage. The nosing on treads, believe it or not, has a code minimum and maximum of how far the nosing projects over the next stair. ²[‡¥”š8. Chapter 10 is subdivided into four main sections: general. 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. The riser height shall be measured vertically between the nosings of adjacent treads or between the stairway landing and the adjacent tread. 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. 1910. We hope you find this information helpful. A minimum tread depth of 22cm or 8. This distance must be at least 10 inches. OSHA, ANSI and ADA Regulations for Walkways and Surface. This letter constitutes OSHA's interpretation of the requirements discussed. 1050 through 1926. (7) Where the rise would exceed 9 1/2 inches and the run would be less than 8 inches, portable, fixed, or ships ladders shall be used. 1910. A minimum of 31. 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. Treads must be slip-resistant with nonslip nosings. When discussing handrails there are two types that we will focus on. 2Height. Handrail Required On One Side If 4 Or More Risers. The employer must ensure each safety net system meets the requirements in 29 CFR part 1926, subpart M. The maximum riser height for an OSHA standard stair is 9. 23(e), Railing Specifications. If there are more than four stairs in a stairway, they must have fixed railings. ”. But if your stairs don’t have a nosing you are required to have a tread that is at least 11 inches long. Open risers are permitted, provided that the opening between treads does not permit the passage of a 4-inch diameter sphere. OSHA Enforcement ; Annual Inspection Data ; Topics Back. A - Optimal range: 30º-35º. Handrails must be 30-38 inches above the leading edge of the stair tread. 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 inches. Designers can also provide a concrete slab edge angle detail that allows for adjustment by the detailer when the stair detailing is underway. 29(b)(2)(iii) Post navigation. yright 2012 SAOSHA is requesting updates to the handrail and stair rail system requirements for its general industry, Walking-Working Surfaces standard, according to a press release. 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. For Employers ; Worker Rights ; Workers Memorial ;. OSHA Requirements for standard stairs 1910. However, it requires that the stair landings be at least the width of the stair or 48 inches, whichever is less. 3. The tread "depth" is measured from the back of one tread to the back of the next. Rise and tread measurements are dictated by the angle of the stairway rise. Standard Building Code Table 1203. OSHA's mission is to ensure that employees work in a safe and healthful environment by setting and enforcing standards, and by providing training, outreach, education and assistance. to a maximum of 1-¼-in. (b) General requirements. S. Variations in stair height cannot exceed 1/4 inch. Stair tread depths shall be 11 inches (279 mm) minimum. We hope you find this information helpful. Standard Stair Riser Height Requirements. be less than. Treads. 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. A (half-tread width) B. *This chart is for general reference. 29 (f) (1) (iii) (A)) Platform Guardrail Height: The top edge of the top guardrail must be 42 inches, plus or minus 3 inches, above the. That’s why we’ve compiled this guide for OSHA stair requirements. OSHA catwalk stair requirements. 452(g)) subpart L regulate a similar type of scaffold, the carpenters' bracket scaffold. For example, stairs manufactured with a 45-degree stairway rise must have a minimum rise and tread of 8. 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. 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. Stairwells and Stairs. gov OR-OSH 03/20 S-04 HANDRAILS What are they? Handrails are rails that provide a handhold for support. __. Private stairways serving an occupant load of less than 10 may be 30 inches wide. 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. REDD Team will help you meet OSHA standards for stairs and put fall-protection safeguards in place at your job sites. 5 inches. In the 2016 rulemaking, OSHA had allowed the top rail of stair rail systems to serve as a handrail when two conditions were met: (1) The height of that stair rail system is not less than 36 inches and not more than 38 inches, as measured at the leading edge of the stair tread to the top surface of the top rail; and (2) the stair rail system was. STAIRMASTER anti-slip renovation treads are ideal for exit path markings, safety egress systems, steps and landings. A nosing is not required where the tread depth is a minimum of 11 inches (279 mm). 3 COMPONENTS. 2 requires that stair riser heights shall be 7 inches (178 mm) maximum and 4 inches (102 mm) minimum. This type of metal grating and stair treads feature a safety flooring surface with hundreds of. Landing requirements for all other exterior doors. for wood construction, and support and anchorage requirements of solar panels in accordance with industry standards. 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. ) (f) Stairway platforms shall be no less than the width of. Swing gate fall protection. 7. A customer called and asked, “I’m interested in how you attained OSHA approval of your safety surfaces, as you claim on your tread plates. Handrails must not project into the stairway more than 4 ½ inches—so with one handrail, the stairway can’t be less than 31 ½ inches wide, as measured at or below the rail, and with two handrails, the. Tread width must be uniform. 12. Recommendation: Providing visual contrast (light-on-dark or dark-on-light) on the top and. Ships ladders are steep angled stair devices with angles between 50 and 70 degrees. 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. The two types of stairs are differentiated by a range of factors all related to their construction and measurement. Meets OSHA requirements. 17, 2017, must be at least 30 inches from the leading edge of the stair tread to the top surface of the top rail, while those installed on or after Jan. 4. Meets OSHA requirements. 28 (b) (5) (ii) (A). Ladder Safety Requirements: IBC relative OSHA. (b) General requirements. 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. %PDF-1. 25 (b) (4)] IBC requires the same width as OSHA. When your treads get down to 2/32, your stopping distance increases by 100% when panic braking on wet roads. 7 Safety Treads 2. STAIRMASTER anti-slip renovation treads are ideal for exit path markings, safety egress systems, steps and landings. OSHA Stair Requirements. 2. Handrails should be continuous and smooth. The International Building code seemed to say that a rail would only be required if more than four (4) treads, but I want to comply with codes and safety rules. Read More: Differences in IBC and OSHA Requirements. So enter in the footing calculator, 6" depth by 12" width (always figure steps with a 12" width) by 9' length. 11 inches (27. 75 inches each. 8 cm) in depth. The following requirements apply to all stairways as indicated: ( 1) Stairways having four or more risers or rising more than 30 inches (76 cm), whichever is less, shall be equipped with: ( ii) One stairrail system along each unprotected side or edge. 1. 2. 7″ closed riser, max 4″ open gap. Spiral stairs must meet the vertical clearance requirements inLoad-capacity of 1,000 lbs. A handrail may terminate at an intermediate wall provided the lower end of the upper rail is returned to the wall or provided with a flared end, the horizontal offset between the 2 rails is no more than 12 inches measured from the center of the rails, and both the upper and lower rails can be reached from the same tread without taking a step. Riser height shall be from 6 to 7. Section 1910. 350 North State, Suite 320 PO Box 145115 Salt Lake City, Utah 84114 Telephone: (801) 538-1408 Contact a SenatorASABE Published Standards – April 16, 2023. 1918. 5” . Standard stairs must have a maximum riser height of 9. 25(b)(5)(ii) and shown in figure D-7 is. 1910. Minimum single stair railing distance. "One stair rail system with hand rail on each open side" is required. ) and 10 inches (min. The distance between the ship's ladder and any obstacle on the climbing side must be at least 30 inches. 5” minimum. 23 that addresses stair railings is subsection (e) (2) and not (e) (1). Alliance ProgramAlliances enable organizations committed toworkplace safety and health to collaborate with. 21(a)(3) and. Code requires guardrail in residential structures be a minimum of 36 inches. projectionMeets OSHA requirements. Chapter 10 is subdivided into four main sections: general. These regulations are crucial in safeguarding personnel and visitors, as well as avoiding costly penalties and lawsuits for non-compliance. 2 Treads. Subchapter 4. Enforcement. 5 mm) tolerance could interfere with the rhythm of the stair user. : Deck-Stair Layout 101 – Deck stair layout is simple, right? Probably right, unless it’s the first time you’ve tackled the task. 25 (c) (2). - to “one stair rail system with handrail on each open side”. The winder treads shall have a minimum tread depth of 7 inches measured at a point 12 inches from the narrow end of the tread. This training course was produced under grant number SH-17809-08-60-F-13 (Food Processing) from the. 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. 4. Also, a commenter (Docket S-041, Ex. 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. 4. Made from panels of Bar, Plank, and Fiberglass Gratings, we are certain to have the right combination to meet your project requirements. NE Salem, OR 97301-3882 Basic OSHA Stair Requirements. The opening between adjacent treads is not limited on stairs with a total rise of 30 inches (762 mm) or less. SCOPE AND APPLICATION The OSHA rules apply to all stairways and ladders used in construction, alteration, repair (including painting That part of §1910. The ADA Standards apply requirements for stairways to each stair that is part of a required means of egress (§210). A minimum 44″ wide in most cases. OSHA Enforcement ; Annual Inspection Data ; Topics Back. OSHA 1910. [39 FR 23502, June 27, 1974, as amended at 43 FR 49744, Oct. Optimal spread angle (0° to 20° for 56° stairs; 0° to 10° for 68° stairs) Optimal brace angle (20° to 30° from the vertical plane) The cost of the bracing kit is included in the list price for crossovers with alternating tread stairs. 1926. OSHA Enforcement ; Annual Inspection Data ; Topics Back. While some of these commenters recommended excluding those operations from fall protection requirements, others said OSHA should add to final Sec. 2. This subpart does not apply to integral components of equipment covered by subpart CC. 5 cm*. The Agency’s interpretations explain these require-. Stair riser heights shall be 7 inches (178 mm) maximum and 4 inches (102 mm) minimum. Standard 36" wide treads, 41 1/4" overall stair width. website at or contact the OSHA Publications Office U. 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. 923. 08 cm), and tread nosing shall be straight leading edges. 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. This bar grating type is manufactured from. After reviewing your correspondence with enclosures, the following are suggested guidelines: A handrail and a stair railing have two different meanings. Rise and tread measurements are dictated by the angle of the stairway rise.