1-800-321-OSHA 1-800-321-6742 Federal Government White House; Benefits. Handrails (continuous) are required on at least one side of flights of stairs with ≥ 4 risers. Pursuant to §1910. Oct 27 2017. Treads should have a minimum depth of 10 inches, and risers a maximum height of 7 3/4 inches. Type I handrails with a circular cross section must have an outside diameter of between 1. 1910. Handrails and guardrails. Whether you’re a homeowner, a business owner, or. 23 (b) (12) - Fall Protection Requirements for Fixed Ladders - 09/10/2021. For additional information, see OSHA's Workers’ page. 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. • Handrails are required to: – be between 900mm and 1100mm above the floor or the nosing of a stair treadHandrail gripping surface shall be mounted between 34” and 38” with railing height above stair nosings; The ends of the handrails should be rounded or returned smoothly to the floor; The Occupational Safety and Health Administration (OSHA) was created to assure safe and healthful working conditions for employees. Mr. 25″ and 2″. Where guardrails are impracticable due to machinery requirements or work processes, an alternate means of protecting employees from falling, such as nets, shall be used. OSHA has proposed changes to the Walking-Working Surfaces standards to clarify certain requirements related to handrail and stair rail systems. Solid. 8. The employer must ensure: 1910. 24, OSHA prescribes the use of handrails and railings as fall protection. 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. The meaning of "nominal diameter" is explained in OSHA Program Directive #100-4 (copy enclosed) dated March 23, 1972. OSHA Construction Standard 1026. A minimum tread width of 10 “- maximum difference among treads 3/8”. The vertical height of a stair railing must be not more than 34 inches nor less than 30 inches from the upper surface of the top rail to the surface of the tread. OSHA go frame and requirements OSHA General stair requirements 1910. Under this. 5. c. 75 inches each. 1. There are many more codes,. Handrails must be “graspable” which means you still cannot use a 2×4 or other shapeless block of wood. 1. Here are some of the important guidelines to remember when installing and using guardrails in your warehouse and how you can be. A standard railing is required around the platform, and it falls under OHSA 1910. This section covers the general and specific requirements for stairways, including standard, spiral, ship, and alternating tread-type stairs, except for articulated stairs. Handrails are a support aid when using stairs. 1. Handrails shall be. Railing spaced from. 1 m) to 88 inches (2. Except as provided under par. The distance between the ship's ladder and any obstacle on the climbing side must be at least 30 inches. The agency notes in a press release that the proposed rule “does not reopen for discussion any of the regulatory decisions made in the 2016 rulemaking,” adding that it “focuses solely on clarifying some of the requirements for handrails and stair rail systems finalized in 2016, and on providing flexibility in the transition to OSHA’s newer. OSHA catwalk width requirements. Railings. In North Carolina, four or more steps or an ADA ramp with a rise of 6 inches require handrails on both sides. 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. Each stairway should have at least one handrail. scope, purpose and appli-cation 1. Removable Handrail Socket: 90001B: ES Stair 1-Step System: 90002B: ES Stair 2-Step System: 90003B: ES Stair 3-Step System: 90004B: ES Stair 4-Step System: 90005B: ES Stair 5-Step System:. OSHA Standards and Interpretation Letter: 06/16/1999 - Scaffolds: Lifelines, support lines, and suspension ropes cannot have a common anchor point. Risers for OSHA stairs are allowed to be open. Handrails, Guards, Grab Bars, Seats and Vehicle Barriers). Our interpretation letters explain these requirements and how they apply to particular circumstances, but they cannot create additional employer obligations. • On stairways less than 44 inches wide having both sides enclosed, at least one handrail shall be affixed, preferably onrequirements for when handrails and stair rail systems must be present on certain flights of stairs. You express your belief that OSHA does not have such a requirement. Unprotected openings in roofs could, therefore, be cited under the general duty clause of the Occupational. 29 (b) (1): The top edge height of top rails, or equivalent guardrail system members, are 42. Under the proposal [proposed §1910. Chad Holder. The assenbly may include handrails. 4. 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. (2) A mid-rail shall be halfway between the top. Except for the entrance, stairway floor openings. If the stairs are 1000mm or wider: provide a handrail on both sides. Stair Handrail requirements: "on each side" 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. Stair Rails as Handrails. Stair railing. 3 Horizontal projections. C. Box 4067 Albany, New York. Stair Rails and Handrails. Weight-Bearing. New York: American National Standard Institute, approved March 17, 1967. The difference in the two designs. OSHA is requesting updates to the handrail and stair rail system requirements for its general industry, Walking-Working Surfaces standard, according to a press release. 24. , ramp or elevator) are not required to meet the Standards, but handrails must comply when stairs that are part of a means of egress are altered (§210. Plant structures and buildings shall be considered Group F, Industrial Occupancy,A minimum of 31. 5. New OSHA handrail/guardrail requirements have come into effect on Jan 17 of this year. 1910. Topics. 2. Section 1910. General OSHA Handrail Requirements. Railings for industrial spiral staircases have their own specific set of OSHA rules. As for the load calculations, it is imperative to know that. 1. We have paraphrased your questions, and our replies follow. Dear. 27 inches. Handrails adjacent to a wall shall have a space of not less than 1 ½ inch between the wall and the handrails. Fixed Industrial Stairs: OSHA Standard 1910. 27 do not apply to. 8. 5 cm) from the upper surface of the stair rail system to the surface of the tread, in line with the face of the riser at the forward edge of the tread. U. Since many employers installed new railings at that height, OSHA is proposing to expand the height range by allowing a railing of 30 to 38 inches. handrail s. Occupational Safety and Health Administration 200 Constitution Ave NW Washington, DC 20210 1-800-321-OSHA 1-800-321-6742. 31, 2017 is 42 inches. Nosing – straight leading edge. However, it requires that the stair landings be at least the width of the stair or 48 inches, whichever is less. 5" tall, with no more than a 1/4" gap at the bottom. L. This is outlined above. Find out the enforcement guidance. 408. Handrails shall have a clear space between the handrail and a wall or other surface of at least 1 ½ inches. D. May 20, 2021. Question 3: Can we provide a cage on the ladder, which extends to the handrails on the platform below,. 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”. If you have a stair open on two sides with a stair width less than 44 inches, it appears as if no handrail is required, just a stair rail (top rail, mid rail toe plate). 25(f) beneath: 1910. Distance between a single stair railing and the opposite wall (with no stair railing) Guard railing minimum height. General dimensions. Design and Construction of Railings. Handrails should be between 30 and 37 inches above the step surface, with a clearance of at least three inches between the rail and the wall. You had specific questions regarding the use of ship's stairs in general industry. The standards for fixed ladders in §1910. The top of the handrail must be located between 34 and 38 inches above the ramp surface or the stair nosing (the edge of a stair tread that projects over the riser). Minimum distance between two stair railings. • Each stairway should have at least one handrail. Minimum 8. 1910. The railings must be capable of withstanding a force of at least 200 pounds applied in. OSHA REGULATIONS for TEMPORARY STAIRS & RAILINGS; OSHA REGULATIONS for STAIR RAILINGS & GUARDRAILS; OSHA 1926. The handrail may form the top of a guarding if you can match the heights. The standard requires guardrail systems and components to be designed and built to meet the requirements of § 1926. 21 (b) as: [Docket ID–OSHA–2020–0009] RIN 1218–AD28 Walking-Working Surfaces AGENCY: Occupational Safety and Health Administration (OSHA), Labor. Handrail height, measured vertically from the sloped plane adjoining the tread nosing , or finish surface of ramp slope, shall be not less than 34 inches (864 mm) and not more than 38 inches (965 mm). Landings and platforms. When the top edge of a stairrail system also serves as a handrail, paragraph (c) (7) of this. The answer to your question is that 1910. Handrails Requirements for handrails are as follows: Handrails and top rails of the stair rail systems must be able to withstand, without failure, at least 200 pounds (890 n) of weight applied within 2 inches (5 cm) of the top edge in any downward or outward direction, at any point along the top edge. Handrail ends must be returned and terminated at rail posts. Spiral stairs shall have a minimum tread depth of 7. 1050An OSHA catwalk servicing by a stairway a a your of stair landing. These regulations. S. ACTION: Notice of proposed rulemaking. The pitchline is defined as ‘the line joining the leading edge or nosings of successive stair treads’. According to OSHA 1910. 1926. 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. Many contractors construct a combo handrail and stair rail system, installed on both sides, to cover all safety requirements. standard requirements explanatory information (not part of american national standard a1264. " 29 CFR 1910. O. Handrails attached to the wall must have a space between the wall and the rail of at least 11/2 inches to provide a grippable surface. 31-1/2 inches. For stair rail systems installed on or after January 17, 2017, the top rail and handrail must be separate. 1926. At least one handrail One stair rail system with handrail on open side. 24 2 This document is not intended to be totally inclusive but rather to highlight the information and requirements in the complete OSHA standard that owners and managers of agricultural businesses should understand. There shouldn't be obstructions on the top or sides of the handrails. 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. Stair rails installed before Jan. Question #3: Would fixed stairs with a degree of angle of between 38 degrees and 42 degrees be in compliance with 29 CFR 1910. IBC provisions are more stringent than OSHA provisions, but they are very similar to the material. The letter from CAL/OSHA, which you enclosed for our review and comments, specifically addresses the issue of tower scaffold stairs and the fact that they may not be used as temporary stairways during construction of multistory buildings because they generally do not meet the Subpart X requirements, i. Stair railings and handrails shall be in-stalled in accordance with the provi-sions of §1910. OSHA catwalk width requirements. Equipto offers two styles of OSHA complaint stairways. Note: Dimensions and stair requirements apply only to individual dwelling units in residential occupancies. One stair rail system with handrail on each open side. The Ontario Building Code | Handrails. Minimum handrail wall clearance of 1. 24 for the safe design and construction of fixed general industrial stairs. the International Building Code or IBC sets the stair and handrail requirements for public buildings and public spaces. 5” maximum. HTML PDF. Contrasting materials on the step edge/nosing and handrail can provide a very effective visual safety trigger. §3214. Deck stair handrail size varies slightly in New Jersey, in that they mandate handrail diameter to be between 1 ¼” and 2 ⅝”. 1. Under OSHA Section 1910. SUBJECT: 1926. HTML PDF: 296-24-93501: Definitions. Stair Rails as Handrails. Railings shall conform to the requirements of § 1917. 34 Provide handrails in accordance with all of the following: Position the top of the handrail 900mm to 1000mm from the pitch line or floor. Handrails and top rails of the stairs must be able to endure, clearly without failure, at least 200 pounds (890 n) of weight when applied within 2 inches (5 cm) of the top in any downward or outward direction, at any point along the top edge. 3. At least one handrail: One stair rail system with handrail on open side. 7. gov; Coronavirus Resources;The maximum rise of each step is eight inches; the minimum rise is four inches. Maximum 4-1/2 inch handrail projection into stairway width, on either side. Items that fall under the safety category relate to the health, sanitary condition, and habitability of the property. (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. The minimum. IBC Stairs require guardrails of 42″ high and handrails of 34″ high on both sides of the stairwell. 24 (a) (1) Each step bolt installed on or after January 17, 2017 in an environment where corrosion may occur is constructed of, or coated with, material that protects against corrosion; 1910. 7)Requirements for barriers and handrails. Guardrail, Stair Rail & Handrail Strength Requirements - the 200 pound load criterion & others. 27? Response: No. Stair Rails and Handrails. 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. Where handrails are provided on both sides, the minimum clear width of the stairway at and below the handrail height, including treads and landings, shall not be less than twenty-seven inches (698 mm). 6. 1-1967. (1) Scope. 1, 2018 is 30 inches, installed after Dec. 5 inch. 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. Objects with leading edges more than 27 inches (685 mm) and not more than 80 inches (2030 mm) above the finished floor shall not project horizontally more than 4. Handrails shall include the following features:6 Requirements & Guidelines for Stairs: Handrail height at stairs is required to be between 34”-38” high. 29 (f) (1) (i)) (as measured at the leading edge of the stair tread to the top surface of the rail). 9 Toe. Exceptions: 1. 1 m) to 88 inches (2. Visit the ADA Handrail Guide for more information. One stair rail system with handrail on each open side and one intermediate handrail located in. If you do go that route, the first place to look for noncompliance is in the guard rail. OSHA Fall Protection Requirements. If the stairs are likely to be loaded in excess of the above requirements, refer to AS/NZS 1170. new stairs, inside handrails shall be continuous between flights at landings. Among the fall protection measures required for elevated work platforms, pick modules, or rack supported platforms—including guarding, stair handrails, and temporary access devices—kickplates are the one system that doesn’t protect associates working on the platform. 1052(c)(1) thru (12), and 1926. 1910. 2 m). 5” Minimum tread depth of 9. 5) The step height, also known as the riser height, must be no less than 4 inches and no greater than 7 inches. 5 inches and the minimum stair tread is 9. 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 top rail of the handrail must be a minimum of 42" [ref. According to OSHA, the top edge height of top rails (or equivalent guardrail system members) must be 42 inches (107 cm), plus or minus 3 inches (8 cm), above the walking-working surface. Reference definitions in 1910. [IBC 1011. 4. The IBC commercial handrail code states that each stair is provided with a separate handrail or grabrail attached to the guardrail. 5”. 1 A de minimis condition arises when an employer implements a measure different than the one specified in the standard, but the discrepancy has no direct or immediate relationship to employee safety or health. These handrails cannot project more than 4. HEALTH AND. 23(e)(6) states: "All handrails and railings shall be provided with a clearance of not less than 3 inches between the handrail or. Find out the. 5” minimum. Rod Smith, P. 1 m) to 88 inches (2. Learn how to comply with the OSHA requirements for the height of handrail and top rail of a stair rail system, which vary depending on the installation date of the system. 5". The answer to your question is that 1910. Stair Rails and Handrails. Handrails and stair rail systems are smooth-surfaced to protect employees from injury, such as punctures or lacerations, and to prevent catching or snagging of clothing. Handrail, stair rail, and guardrail system requirements. reviewed the pertinent ANSI standards and determined that it was appropriate to limit the clearance requirement for handrails and stair rails. 29(d) Designated Areas. Residential building code handrail requirements for stairs provide for handrails on at least one side of a flight of stairs with two or more risers. OSHA regulations are pretty straightforward: “Top edge height of top rails, or equivalent guardrail. (c) Stair rails and handrails. Stairs should be in safe condition and be of suitable design and. If I may be of any further assistance, please feel free to contact me. Existing Table D–2 contains a. 21(b)(1) and 1910. The nonslip diamond pattern stairs meet all the OSHA requirements for width and depth, and they clean with ease when icing occurs. The U. SCOPE AND APPLICATION The OSHA rules apply to all stairways and ladders used in construction, alteration, repair (including painting OSHA Stair rail requirements - stair railings may serve as handrails, and vice-versa. OSHA requirements for standard stairs. The requirements of OSHA safety regulations for the safe use of ladders and stairs (Subpart X, Title 29 Code of Federal Regulations, Part 1926. Section 05 50 00, METAL FABRICATIONS: Wall handrails and. This letter constitutes OSHA's interpretation only of the 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. With that in mind, we can refer to a “four-riser minimum” as a “four-step minimum. The terms “subdivision” and “subpart” are synonymous within OAR 437, Oregon Occupational Safety and Health Code. 25(c) Slope between 30° and 50° from the horizontal Maximum riser height of 9. Note: For specific code requirements, contact the Building Inspection Department at 952-442-7520 or 888-446-1801 or e-mail: info@mnspect. Section 1910. 3 Exit Stair Handrails . Doors and gates opening onto stairway. 23 includes requirements for ladders, where OSHA defines handrail requirements on platforms and how high safety railings must be. Maximum 7-3/4 inch stair riser height. Additional OSHA handrail requirements. Essentially handrails are designed to provide guidance, support and safety for stairs and ADA ramps with a rise of 6 inches. (1910. OSHA is very clear that ship stairs should only be used where you can demonstrate that standard stairs will not work. Our interpretation letters explain these requirements and how they apply to particular circumstances, but they cannot create additional employer obligations. 23 (e) (3) (iv), the anchoring of posts and framing of members for railings of all types. The. The requirements of OSHA safety regulations for the safe use of ladders and stairs (Subpart X, Title 29 Code of Federal Regulations, Part 1926. HEIGHT CLEARANCE minimum 6’6” clearance from nose of tread to overhead obstruction. Learn how to comply with the OSHA requirements for the height of handrail and top rail of a stair rail system, which vary depending on the installation date of the system. Greater than 88 inches. The largest tread width or riser height in any flight of stairs. 25(b)(1) Handrails, stair rail systems, and guardrail systems are provided in accordance with § 1910. standard handrails according to the requirements for stairways. For buildings other than dwellings and for common access. Tread width – 22” minimum. 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. Osha walking required and requirements for elevated runways and walkways. Maximum 12 feet vertical height (rise) for a flight of stairs. The top of handrails and handrail extensions shall not be placed less than 34” (864 mm) nor more than 38 inches (965 mm) above landings and the nosing of treads. 3-stringer design with treads welded to the stringers. OSHA requirements are set by statute, standards and regulations. 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. 6]OSHA set the design requirements for alternating tread stairs included teil 1910. Thank you for your November 7, 2014, letter to the Occupational Safety and Health Administration (OSHA), regarding OSHA requirements for stairs and railings for accessing trailers on semi-trailer trucks. 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. 2 m). Though the terms guardrails and handrails are often used interchangeably, they are different structures both in use and requirements. The leading edge of exit stair landings shall be marked with a solid and continuous marking stripe consistent with the dimensional requirements for stair treads and shall be the same lengths, and consistent with, the stripes on the steps. 25″ and 2″. 6. • 2 yr. Their unique requirements command the attention of those using them, which translates to safety. The top edge of the handrail must be placed between 34” and 38” above the nosing of the stair treads. 23 (a) (2) Designed into or is an integral part of machines or equipment. In addition, interior and exterior stairs that are part of a means of egress must comply with requirements in the ABA Standards (§504). At least one handrail must be provided for stairs with four or more risers or 30 inches of ascent. Steps are uniformly spaced and arranged, with a rise of not more than 10 inches (25 cm) and a depth of not less than 7 inches (18 cm). The handrail's ends must either be rounded or smoothly meet the floor, wall or post. 0. 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. The Acceptable Solution F4/AS1 (Table 1) requires barrier heights in buildings other than housing to be 900mm on stairs and ramps, and 1100mm elsewhere. 1. The mid-rail height is also adjustable. 5″. A handrail and a wall or1926. OSHA standard 1926. 2. Regarding risers and tread, OSHA stairs typically have an 8-inch open riser and a 9-inch tread. 91. Definitions Handrail. Use tread and rise requirements that vary by stairway angle. Minimum single stair railing distance. Handrails and the top rails of stairrail systems shall be capable of withstanding, without failure, a force of at. 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. Minimum handrail wall clearance of 1. 29 (f) (1) (ii) (B)) and the handrail must be 30 to 38 inches in height (§1910. Is it illegal not to have a handrail on stairs? Handrails are mandatory. When figuring out the tolerances for the OSHA guardrail height, the minimum allowed is 39". This appendix serves as a non-mandatory guideline to assist employers in complying with these requirements. Stairs OSHA Requirements Guard/Hand Rails 10-14 in (25-36 cm)min on center, Uniformly spaced 16 in (41 cm) min clearance between side rails 15 in (38 cm) min clearance toTop of gripping surfaces of handrails shall be 34 inches (865 mm) minimum and 38 inches (965 mm) maximum vertically above walking surfaces, stair nosings, and ramp surfaces. Standard railing requirements are covered under existing paragraph 1910. The employer must ensure each safety net system meets the requirements in 29 CFR part 1926, subpart M. Exception 1: Guardrails located at the open side of a stair run shall not be less than 34 inches in height. 5 inches at the walk line, a riser height maximum of 9. Stair Rails and Handrails. [39 FR 23502, June 27, 1974, as amended at 43 FR 49744, Oct. Stairway width <44. 1 Height. The OSHA rules and standards regarding handrails are in the section about the fall protection systems. 29 (k) includes standards for “protection from falling objects”. 1910. Governing codes shall be checked for their specific requirements, and government regulations, suchOSHA 1926. 5. Handrails must be placed between 34″ and 38″ in height, measuring from the nosing of the stair. If an obstacle is unavoidable, the clearance must be at least 24 inches, and a device. This informative guide provides the provisions and compliance requirements for barriers and handrails for Class 1 and 10 buildings. Whether it’s a residential staircase or a commercial space, understanding and implementing the appropriate handrail height is essential for creating a secure environment for users. 4. 5 inches for stands with a top height of 4 feet or more, 36 inches for stands with a top step of. Handrail Height. A vertical barrier along exposed sides of a stairway to prevent people fromOSHA requirements are set by statute, standards and regulations. 23(e)(5)(iii), states in part: "The length of brackets shall be such as will give a clearance between handrail and wall or any projection thereon of at least 3 inches. Some of the requirements for all types of suspension scaffolds include:. 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. Design and construction of guardrails and stair handrails shall comply with SBC Code, OSHA Standards, and NFPA 101, Life Safety Code. e. NE Salem, OR 97301-3882 For stairways less than 44 inches wide, at least one handrail is required; two handrails are required for stairways between 44 inches and 88 inches wide or when the distance between the tank shell and the stair stringer is greater than 8 inches; and stairways wider than 88 inches require an intermediate handrail so there’s always one in reach. 1 scope. 10/1/98. Guardrails, stair rails, and handrails are common fall protection solutions. Paragraph (h) says that standard railings must be provided on the open sides of all exposed stairways and stair. The OSHA General Requirements (29 CFR 1926. The height of the stair rails should not be less than 34 inches and should not exceed 38 inches from. Be certain that your vendor has updated their OSHA designs. Handrails not shown for clarity. 1910. A mobile fixed size self-supporting ladder consisting of a wide flat tread ladder in the form of stairs. Minimum 6′-8″ headroom height clearance for stairway. Each stair must also be provided with a railing system. Residential Interior Stairs Code Requirements. This 200 pound load test is designed to stop an employee from a potentially fatal fall, as opposed to the IBC requirement that takes into account the idea that many people may be leaning on the.