Stair and ramp railings in the workplace must meet OSHA standards of 30 to 38 inches in. Relationship of ramp gradient to the going of a flight 28 15. 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. SCOPE AND APPLICATION The OSHA rules apply to all stairways and ladders used in construction, alteration, repair (including painting For stair rail systems installed on or after January 17, 2017, the top rail and handrail must be separate. Stair railing. Stairways and handrails that are part of a means of egress are addressed by the IBC (§1009 (2003), §1003. 42˝ Min. These handrails cannot project more than 4. Existing Table D–2 contains a. HTML PDF: 296-24-93501: Definitions. Each stair must also be provided with a railing system. The minimum run is nine inches. This standard requires that all stairways have landings, risers, treads, and handrails that meet certain specifications. Stairs. The OSHA gangway rail requirements are found in OSHA section 1910. 500, GUARDRAILS, HANDRAILS & GUARDS [PDF] Standard Number 1926. com. HTML PDF: 296-24-935: Safety relief devices for cargo and portable tanks storing compressed gases. "Handrails are 30-38 inches. OSHA publishes a final rule. If your system was installed before January 2017, the mandatory height decreases to 30 inches. Like the alternating tread stair, OSHA 1910. Handrails must be from 34 inches and 38 inches high as measured from the edge of the stair step or from the surface of an adjacent ramp slope. Use tread and rise requirements that vary by stairway angle. Whether it be the stair, rails, or landing, follow along as we explore the new building codes for 2022. S. 4. HEALTH AND SAFETY DETERMINATION: Moderate The. 1910. How many stairs before a handrail is required? A handrail is required for staircases, platforms or landings above 1 metre from the ground. handrail height on each side . - 10/01/2012. The maximum rise of each step is eight inches; the minimum rise is four inches. This strength and stability is crucial. That part of §1910. It also specifies the dimensions,. 5″. 28(b)(11)(ii) provides handrail requirements. Some of the requirements for all types of suspension scaffolds include:. A proposed rule announced by OSHA on May 20 would update certain handrail and stair rail system requirements for the agency’s general industry walking-working surfaces standard. 2. Phone: 952-442-7520. [39 FR 23502, June 27, 1974, as amended at 43 FR 49744, Oct. 21(b)(1) and 1910. 04(3)(b)6. (1) "Handrail" means a rail used to provide. ☐ Are stairway handrails 30-38 inches above the leading edge of stair treads? ☐ Are stair rail systems 30 or 42 inches* inches above the leading edge of stair treads? * Stair rail systems minimum height: installed before Jan. Distance between the two stair railings as measured from the two closest edges. The basics of handrail standards and when they apply. S. Ramp design 29 16. Mr. 10. DEPARTMENT OF HOUSING AND URBAN DEVELOPMENT Page 5 of 12 DEFICIENCY 2 – UNIT: HANDRAIL IS NOT SECURE DEFICIENCY CRITERIA: There is movement in the anchors of the handrail. Handrails and stair rail systems are smooth-surfaced to protect employees from injury, such as punctures or lacerations, and to prevent catching. 2 Christy Dr. §3214. • Stairs wider than 88 inches must also have a handrail down the middle of the stairway. S. 5 cm. 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: (A) At least one handrail; and (B) A stair rail consisting of a top rail and mid-rail along each unprotected side or edge. OSHA stairs requirements for alternating tread stairs General OSHA stair requirements 5 Compliant fall protection 2 3 Uniform riser heights and tread. Stair Rails and Handrails. Handrails are required when there is a top step height of 4 feet or more and a railing needs to be 29. In particular, toeboards used for falling object protection are as follows: Toe Board Height Requirements: 29 (k) (1) (ii): “have a vertical minimum height of 3. Open sides of stairs require a stair rail, sometimes with a handrail ("stair rail system with handrail"), and (per the current text of the table) sometimes without ("stair rail system"). Not only are the treads generally deeper, but also there are usually more treads required. 23, Guarding floor and wall openings and holes. Maximum 7 inch stair riser height and minimum 4 inch stair riser height. As a means of egress, exterior exit stairs must meet all the requirements set forth in IBC section 1011. Requirements for barriers and handrails. 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. The top member of railing usually serves as a handrail. 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. 4. 2. The Bulletin is advisory in nature, informational in content, and is intended to assist employers inADA Chapter 5 Section 505. 72. Elevated catwalks should be provided access by a stairway. 2. There are a number of regulations related to the design and placement of handrails in permanent structures, and those rules vary based on the intended use of this safety system. 17. Department of Labor’s Occupational Safety and Health Administration is proposing updates in the handrail and stair rail system. Fortunately, Alaco Ladder is committed to quality and safety, which helped us produce ladders that meet the ship ladder OSHA code. Handrail ends shall be returned to a wall, guard or the walking surface or shall be continuous to the handrail of an adjacent stair flight. (Title 24, Part 2, Section 2-3326(g). bigger footprint than OSHA stairs. It also specifies the dimensions, angles, and materials of standard, spiral, ship, and alternating tread-type stairs, and the vertical clearance above any stair tread to any overhead obstruction. S. TO: ALL AREA DIRECTORS Paragraph 1926. Our ladders use heavy-duty aluminum alloy, so you can rest assured that they can handle your load requirements without. 1115A. Our interpretation letters explain these requirements and how they apply to particular circumstances, but they cannot create additional employer obligations. These. Question 3: Can we provide a cage on the ladder, which extends to the handrails on the platform below,. SPS 321. However, it requires that the stair landings be at least the width of the stair or 48 inches, whichever is less. 05/20/2021 - OSHA National News Release - US Department announces OSHA rule proposal to clarify handrail, stair rail system requirements in general industry Walking-Working Surfaces standard. OSHA requirements for standard stairs. 24, OSHA prescribes the use of handrails and railings as fall protection. California Code of Regulations, Title 8, Section 1626. REDD Team Flex-Step OSHA Stair – This Flex-Step OSHA Stair is an adjustable 28″or 35″ threshold stair designed for modular buildings, construction trailers and field offices that need to meet OSHA regulations. 1, Ex. The OSHA catwalk handrail requirements are found in OSHA sections 1910. 25 must be met, including the need for guardrails, handrails, vertical clearance of 6'-8", uniform treads/risers, etc. Exceptions: 1. If your system was installed before January 2017, the mandatory height decreases to 30 inches. • Stairs wider than 44 inches must have a handrail on each side. 24. 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. Stair Railing Height Requirements: 34 to 38 Inches Stair railing should be no less than 34 inches high and no more than 38 inches high. 1 m) plus or minus 3 inches (8 cm) above the walking/working level. Minimum tread depth of 9. (a) Stairways shall have handrails or stair railings on each side, and every stairway required to be more than 88 inches in width shall be provided with not less than one intermediate stair railing for each 88 inches of required width. If stairs are too steep, and they don’t have railings, or if screens and balustrades are not strong and secure. In addition, interior and exterior stairs that are part of a means of egress must comply with requirements in the ABA Standards (§504). Stair towers [29 CFR 1926. (c) (1) (ii) One stairrail system along each unprotected side or edge. 1. Our photo (above) illustrates very challenging stairs with a high rise, climbing to over 230 feet at the Pyramid of the Sun in Teotihuacán outside of Mexico City. It does not alter or determine compliance responsibilities in OSHA standards or the Occupational Safety and Health Act of 1970. NFPA 101 Figure A. Risers are the vertical parts in between steps, so that means any stairway with four or more steps needs a handrail. The required number of handrails is 2. Additional OSHA handrail requirements. Basic OSHA Stair Requirements. Occupational Safety and Health Administration 200 Constitution Ave NW Washington, DC 20210 1-800-321-OSHA 1-800-321-6742. Exceptions: 1. New OSHA handrail/guardrail requirements have come into effect on Jan 17 of this year. The Agency’s interpretations explain these requirements and how they apply to particular circumstances, but they do not create additional employer obligations. Thank you for your interest in occupational safety and health. 121 (b) (1) Stairways shall conform to the minimum dimensions of Figure F-1; Spiral Stairway - Minimum Dimensions. 3. Generally, the width of IBC stairs will be 36. This checklist covers regulations issued by the U. Department of Labor, Occupational Safety and Health Administration (OSHA) under the general industry standard 29 CFR 1910. 1910. The riser height and tread depth must be the same within each flight of stairs, and should not exceed 1/4 inch (0. The employer must ensure:505. Height. Stairs. 25. 5 inches (9 cm) as measured from the top edge of the toeboard to the level of the. The space between the inside of the handrail and the wall or any other obstruction must be at least 1-1/2”. For the slope of an IBC stair system, the horizontal run of the stair systems should be 1. 2 Width and capacity. The Agency has determined that such deviation will not compromise employee safety, so long as the stair tower otherwise complies with the requirements of paragraph (e)(4). 5″ to 12″ of a vertical rise. sides of stairways and platforms to prevent falls of persons. 1050 through 1926. sides of stairways and platforms to prevent falls of persons. Distance between a single stair railing and the opposite wall (with no stair railing) Guard railing minimum height. g. Anchorage. OSHA regulations are pretty straightforward: “Top edge height of top rails, or equivalent guardrail system members, shall be 42 inches (1. These systems may be mounted 36-38 inches high. Enforcement. That part of §1910. The OSHA rules and standards regarding handrails are in the section about the fall protection systems. 2. Stair railing height code, measured. See the illustration below for a comparison:. The IBC mimimum requirements for wide stairs are: A handrail on both sides of the wide stairway. Stair Handrail requirements: Stairways shall have handrails on each side, and every stairway required to be more than 88 inches (2235 mm) in width shall be provided with not less than one intermediate handrail for each 88 inches (2235 mm) or required width. 5 inches. • Ends must return to wall, post or safety terminalStair rails installed before Jan. Note: Dimensions and stair requirements apply only to individual dwelling units in residential occupancies. Railings and handrails. Box 483 Thonotosassa, FL 33592. 1050-1060) deal mainly with when and where ladders or stairs are required. All workers in the United States must abide by the occupational safety and health regulations set forth by Federal OSHA. Learn how to comply with the OSHA requirements for the heights of handrail and top rail of stair rail systems, which vary depending on the installation date of the system. We hope you find this information helpful. 25(c) Slope between 30° and 50° from the horizontal Maximum riser height of 9. 5 inches (24 cm); Occupational Safety and Health Administration OSHA 3124-12R 2003 Stairways and Ladders: A Guide to OSHA Rules This informational booklet provides a general overview of a particular topic related to OSHA standards. Then OSHA requires guards at 42". However, OSHA would consider the 36- to 37-inch height of the railing in the first drawing as a de minimis violation of the standard. Stairwells and Stairs. 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. Also, IBC codes for approved stairs are more set-in-stone than the OSHA rules. Stair Rails as Handrails. The fundamental differences here that should be pointed out are the differences in allowable height and loading capacity. Requirements for Ladders OSHA has reorganized separate rules for fixed ladders, portable wood ladders and portable. [ §504] Requirements for stairways address treads and risers, surfaces, nosings, and handrails. Riser Height and Tread Depth (IBC 1011. We are going to look at five key IBC code requirements for handrails. Department of Labor’s OSHA Issues Rule to Revise Requirements in Safety and Health. 1. 24 for the safe design and construction of fixed general industrial stairs. Safety and Health Regulations for Construction; Subpart: 1926 Subpart X; Subpart Title:. In the U. 112 (c) (1) on both sides and that are not less than 30 inches (76. S. In these cases, a handrail must be mounted on at least one side if the stairway is less than 44 inches wide. Plus, they are required to have an intermediary landing if the staircase has a rise of 12’ or more. The structural requirements refer to the barrier and/or handrail being designed and constructed to withstand any combinations of loads and other actions to which it may reasonably be subjected and the structural resistance of the. 1- 1995, Safety Requirements for Workplace Floor and Wall Openings, Stairs, and Railing Systems, requires guardrail protection for the exposed sides of ladderway openings in any working/walking surface. The IBC commercial handrail code states that each stair is provided with a separate handrail or grabrail attached to the guardrail. Minimum handrail wall clearance of 1. Oct 27 2017. 10/1/98. OSHA set the design requirements for alternating tread stairs included teil 1910. RISERS must be uniform between landings, 30-50 deg, ≤ 9. 3. 7. 5. Handrails have different height requirements than guardrails. The OSHA General Requirements (29 CFR 1926. Handrails shall be at a consistent height above walking surfaces, stair nosings, and ramp surfaces. 6. 8. For stair width, expect a minimum of 44 inches in most cases and 36 inches in areas populated on average by less than 50 people. (1) A stairway shall have a handrail on at least one side, and if 1 100 mm or more in width, shall have handrail s on both sides. 5 times the vertical rise. Safety Requirements. 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. General OSHA Handrail Requirements. (a) Stairways shall have handrails or stair railings on each side, and every stairway required to be more than 88 inches in width shall be provided with not less than one intermediate stair railing for each 88 inches of required. Stair Rails and Handrails. From time to time, letters are affected when the Agency updates a standard, a legal decision impacts a standard, or changes in technology affect the. Use internal couplings, Type 18-7, to maintain continuity. 28 also requires that ship stairs have handrails: 1928(b)(11)(iii) Each ship stairs and alternating tread type stairs is equipped with handrails on both sides. HTML PDF: 296-24-93503:Janek 15/11/2011 House building, National Building Regulations (SA), safety, SANS10400-NBR (SA) 133 Comments 97,848 Views. new stairs, inside handrails shall be continuous between flights at landings. The stair will be installed at a 70-degree angle or less. OSHA stair width is generally a minimum of 22 inches. The employer must provide, and ensure each employee uses, a safe means of access and egress to and from walking-working surfaces. surfaces and their access; workplace, floor, wall and . The greatest riser height within any flight of stairs shall not exceed the smallest by more than 3/8 inch. Four or More Risers: According to OSHA regulations, handrails are required on stairways with four or more risers (steps). Enforcement. 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. 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. 29(f). OSHA Construction Standard 1026. 2Height. Dear. The termination point may also be a newel post per FBC-R 311. The top rail must be at least 42 inches in height (§1910. Distance. Temporary Stairs. Handrails should be continuous for the length of the stairs or ramp. Hand Railing projection into stairs (<= 4. 1926. 31, 2017 is 42 inches. Occupational Safety and Health Administration 200 Constitution Ave NW Washington, DC 20210 1-800-321-OSHA 1-800-321-6742. At the top of stair flights, handrails shall extend a minimum of 12 inches (305 mm) horizontally above landings, beginning directly above the first riser nosing. (c) Stair rails and handrails. Stair Rails and Handrails. 1053 (a) (4) (ii) The minimum clear distance between side rails for all portable ladders shall be 11½ inches (29 cm). C - Riser height: between 12. (a) 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. Stair Rails and Handrails. The OSHA rules aim to ensure a safe working environment for all employees. Plant structures and buildings shall be considered Group F, Industrial Occupancy,Maximum 12 feet vertical height (rise) for a flight of stairs. " 29 CFR 1910. Handrails adjacent to a wall shall have a space of not less than 1 ½ inch between the wall and the handrails. WASHINGTON, DC – The U. 29 (f) (1) (i)) (as measured at the leading edge of the stair tread to the top surface of the rail). - to “one stair rail system with handrail on each open side”. * Values are from the National Building Code of Canada (2005). 8 1 Scope and Application. The provision refers to existing Table D–2, Stairway Handrail Requirements, which specifies handrail requirements based on the variables of stair width and how many sides of the stairway are open. Stair railings shall be capable of withstanding a force of at least 200 pounds (890 N) applied in any direction, and shall not be more than 36 inches (0. It focuses entirely on clarifying and allowing flexibility in the transition to OSHA’s stricter rules for handrails and stair rail systems, which were completed in 2016. 500 (f) (l) (vi) provides for the utilization of types, sizes and arrangements of railing construction provided they meet the conditions established in sub-paragraph a thru d. Table D-2 under section 1910. Barrier design 40 20. An OSHA-approved state plan must have safety and health requirements at least as effective as those of Federal OSHA and must adopt comparable stateAt a point less than 12’ in elevation, this spiral stair has a rest landing which is also an OSHA requirement. 1926. 2. 2275 When Does OSHA Require Guardrail? The. Handrails must be ‘positioned between 900 and 1000mm above the pitchline’. 4. This was a little better but not as logical or as safe as a 42" guard. This is more than the 1. FOCUSED ON SAFETY. 3-stringer design with treads welded to the stringers. Stair Width: minimum 22". The top edge of the handrail must be placed between 34” and 38” above the nosing of the stair treads. 23 (b) (12) - Fall Protection Requirements for Fixed Ladders - 09/10/2021. In alterations, stairs between levels that are connected by an accessible routerequires a OSHA etc. For example, stairs manufactured with a 45-degree stairway rise must have a minimum rise and tread of 8. The ADA also specifies that handrails should have a diameter between 1. 120 (b) (1) Fixed stairs installed after October 3, 1983 shall be positioned within the range of 30 degrees to 50 degrees to the horizontal with uniform riser height and tread width throughout each run and be capable of a minimum loading of 100 pounds per square foot (445 N) and a minimum concentrated load of 300 pounds (1,334 N) at the. ( 1) Are installed at angles between 30 to 50 degrees from the horizontal; ( 2) Have a maximum riser height of 9. Reference definitions in 1910. Stair railings. Minimum Tread Depth 9. For more information, visit or call OSHA at 1-800-321-OSHA (6742), TTY 1-877-889-5627. A standard railing is required around the platform, and it falls under OHSA 1910. Handrail height shall be uniform, not less than 30 inches and not more than 34 inches. 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. 5”Residential Interior Stairs Code Requirements. Both measurements are from the leading edge of the stair tread to the top surface of the handrail. The stairway must be at least 36 inches wide, measured above the handrail. 5. Stair strength. Questions & answers on building, installing & inspecting stair rails and stair guard rails - safety & regulations. When the top edge of a stair rail system also serves as a handrail, the height of the top edge must be no more than 37 inches (94 cm) nor less than 36 inches (91. OSHA requirements for stairs also dictate that any spiral stair must have a handrail. Stairways and ladders are a major source of injuries and fatalities among workers. 23 - OSHA requires fall protection for elevator work when a fall hazard is present. See §1910. OSHA 1910. Examples of code requirements our spiral stairs meet include: a minimum clear width at and below the handrail of 26 inches (660 mm), each tread having a 71/2-inch(190 mm), and minimum tread depth being 12 inches (914 mm) from the narrower edge. 5 inches, allowing for a comfortable and secure grip. Thank you for your interest in occupational safety and health. (1) When the employer uses a designated area, the employer must ensure:. The following requirements apply to all stairways as indicated: (a) Stairways having 4 or more risers or rising more than 30 inches (76 cm), whichever is less, must be equipped with:. . Stairways . Design and construction of guardrails and stair handrails shall comply with SBC Code, OSHA Standards, and NFPA 101, Life Safety Code. Under the previous standard, stairs with a handrail that doubles as a stair rail could have a rail height of 30 to. Specifically, the following sections are the most relevant to handrail and stair rail requirements. 1. Our portable guard railing is 42 inches tall. (3) Stair railings and handrails shall be installed in accordance with the provisions of Section 3214. 44 inches (1. Handrail diameter between 1. See all powder-coated color options. WSR 99-03-065, § 246-359-520, filed 1/18/99. 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. Law and Regulations ; Federal Registers ; Open for Comment ; Regulatory Agenda ; Standard Interpretations ; Training Requirements by Standard ; Enforcement Back. Oregon OSHA defines a stairway as a series of steps and landings having three or more risers. A vertical barrier along exposed sides of a stairway to prevent people from1926. OSHA 1910. Balusters. Stair Rails and Handrails. Handrails and the top rails of stairrail systems shall be capable of withstanding, without failure, a force of at. 5) The step height, also known as the riser height, must be no less than 4 inches and no greater than 7 inches. The following requirements apply to all stairways as indicated: (c) (1) Stairways having four or more risers or rising more than 30 inches (76 cm), whichever is less, shall be equipped with: (c) (1) (i) At least one handrail; and. The IBC defines the various design requirements for handrails, providing clear and concise specifications. therefore, they are not spiral stairs and must meet the requirements of §1910. 3. Midrails, screens, mesh, and other. 7. "The employer must ensure each employee on a walking-working surface with an unprotected side or edge that is 4 feet (1. It stands to reason that stairways must be safe. (Title 24, Part 2, Section 3305 (b). Mr. 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. HEALTH AND SAFETY DETERMINATION: Standard This is a. 1910. OSHA, however, opened a rulemaking proceeding in 1990 to revise Subpart D of Part 1910, including the current height requirements for stair railings and handrails. The Guardrail height shall not be less than 36 inches above the walking surface. However, OSHA has omitted the requirement for a center stair rail for stairs greater than 88 inches wide in its proposed revisions of the general industry standards for Walking and Working Surfaces (55 FR 13396, April 10, 1990). 3. NATIONAL STANDARDS FOR THE PHYSICAL INSPECTION OF REAL ESTATE U. 1926. S. Design and Construction of Railings. By explaining the requirements and specific changes in the National Construction Code (NCC) Volume Two 2019, you will understand your obligations and the effects on. Capable of withstanding force of at least 200# Must be smooth-surfaced;Minimum distance between two stair railings. Every flight of stairs having four or more risers shall be equipped with standard stair railings or standard handrails as specified in paragraphs (d)(1)(i) through (v) of this section, the width of the stair to be measured clear of all obstructions except handrails: (i) On stairways less than 44 inches wide having both sides enclosed, at least. 121 (b) (1) Stairways shall conform to the minimum dimensions of Figure F-1; Spiral Stairway - Minimum Dimensions. Exception 1: Guardrails located at the open side of a stair run shall not be less than 34 inches in height. 25″ with a maximum cross-section dimension of 2. 1052(c)(5), (c)(6)). Always check with your local jurisdiction as requirements are different in each area. this standard sets forthHandrail and Stair Rail Systems • If a stair has a minimum of four risers, a handrail is required. ASME A17. (1) Stairways shall be al least 24 inches in width and shall be equipped with stair rails, handrails, treads, and landings. 500, 23 April 1973 - Excerpt: Since cables or chains are commonly used as barriers or guards on construction projects at floor and wall. The Bulletin is advisory in nature, informational in content, and is intended to assist employers in ADA Chapter 5 Section 505. 1052 states that stairway railings built after March, 1991 be 36 inches in height or between 30 and 37 inches high. Handrails should be placed on both sides of a staircase. 2. A stair railing must be similar to a standard railing but the height must be between 30 and 36 inches from upper surface of top rail to surface of tread in line with face of the riser at the forward edge of the tread. standard requirements explanatory information (not part of american national standard a1264. 4-1979 - Safety Requirements for Job-Made Ladders. The railing height should be at least 42 inches from the first edge of the tread to the rail's upper edge. 23 (a) (1) Used in emergency operations such as firefighting, rescue, and tactical law enforcement operations, or training for these operations; or. Flights of stairways within dwelling units and flights of spiral stairways are permitted to have a handrail on one side only. 50" the IBC requires for accessibility. - 10/28/2004. At least one handrail One stair rail system with handrail on open side. What Are the Key Regulations for OSHA-Compliant Stairs? 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 . " 29 CFR 1910.