osha catwalk requirements. OSHA regulations are pretty straightforward: “Top edge height of top rails, or equivalent guardrail system members, shall be 42 inches (1. osha catwalk requirements

 
OSHA regulations are pretty straightforward: “Top edge height of top rails, or equivalent guardrail system members, shall be 42 inches (1osha catwalk requirements  Mar 19, 2021 2:42:17 PM

OSHA requirements are set by statute, standards and regulations. Training Requirements and Resources ; Outreach Training Program (10- and 30-hour Cards). 8:26 am Improperly maintained and used walking and workings surfaces are the number 1 source for falls, slips, and trip hazards in the workplace. If you need assistance with a current or upcoming project, please contact us at 888. 703 (a) (1) Formwork shall be designed, fabricated, erected, supported, braced and maintained so that it will be capable of supporting without failure all vertical and lateral loads that may reasonably be anticipated. The most common use for a catwalk is to provide. 91-596, encourages states to develop and operate, under OSHA guidance, their own job safety and health plans. Mar 19, 2021 2:42:17 PM . 5” maximum. You may be (mildly) interested to know that on this side of. The requirements of OSHA safety regulations for the safe use of ladders and stairs (Subpart X, Title 29 Code of Federal Regulations, Part 1926. 1910. " The employer must ensure guardrail systems meet the following requirements: (13) (i) Has a self-closing gate that slides or swings away from the hole, and is equipped with a top rail. OSHA’s General Rule. 2 m). Fixed type. While there are some risks associated with their use, catwalks can promote an overall culture of efficiency and safety. DRAFTWhen it comes to work platforms, what are some OSHA platform provisions to maintaining in mind? Learn about several vital standards. OSHA 29 CFR 1910 Subpart DENSITY - Walking-Working Surfaces addresses an requirements to catwalk dimensions, gangway minimum load requirements, and catwalk autumn protection. Training Requirements in OSHA Standards (OSHA 2254 - 2018) (English: EPUB MOBI PDF)77. 28 (b) (3) (i) (A) Covers. See Publications to Order or call our Subscription Office at 410-260-3876 to order by phone. Railing height for guard rail. Preventing slips is an effective way to prevent falls. OSHA setting one ramp standards for to minimum width dimensions, minimum load requirements, fall protection requirements, and the catwalk opening requirements. It does not impose any new compliance requirements. For example, stairs manufactured with a 45-degree stairway rise must have a minimum rise and tread of 8. The OSHA catwalk requirements for general industry address multiple design variables to ensure such these networks are safe for employees. All theater and amphitheater catwalks should make use of. OSHA catwalk opening requirements. Lemma, This is in response to your letter requesting clarification of the requirement to guard couplings connecting driven power shafts. 8 m) or more to lower levels by guardrail systems. Handrails must be 30” – 38” tall and. The Occupational Safety and Health Administration (OSHA) requirements for scaffolding safety come from the Code of Federal Regulations. Bagman2524 (Structural) 15 Nov 06 15:40. 23 of the Occupational Safety and Health Act. In general, Cal OSHA fall protection standards are stricter than federal OSHA standards. Included is a section, Log Loading and Transporting, which outlines the required and recommended work practices that can reduce logging hazards to the vehicle operators. Mar 19, 2021 2:42:17 PM . Our interpretation letters explain these requirements and how they apply to particular circumstances, but they cannot create additional employer obligations. Note that our enforcement guidance may be affected by changes to OSHA rules. OSHA catwalk opening requirements. The OSHA catwalk requirements for general industry address multiple design variables to ensure such these networks are safe for employees. Inadequate lighting in walkways, stairways, and parking lots/garages. 74 (a) (1) Whenever practicable, a gangway of not less than 20 inches walking surface of adequate strength, maintained in safe repair and safely secured. Understanding those. Businesses can use a maximum riser height of 9. Fixed ladders above 24 feet must have a fall protection system. 25 defines the requirements for stairs. The OSHA catwalk requirements on general industry address many design variables to ensure that these systems am safely with employees. The first question to ask is what is the use of the structure? If it is strictly for equipment or mechanical systems, then it is likely an equipment platform or a catwalk and must comply with the OSHA catwalk requirements. Neither of those images are wrong, but the term can also be applicable to a student performing on a 4-foot-high stage platform, a percussionist on a drum riser or a community volunteer stepping up on the high school stage to receive an award. American National Standard Institute (ANSI) standards A14. Step 3: Inspect the ladder rails and rungs for any damage such as dents or cracks. Standards. Riser height – 9. OSHA sets which footbridge standards for this slightest width dimensions, minimum load requirements, fall protection need, and the catwalk opening your. This provides a safe environment and avoids. OSHA 1910. The OSHA catwalk standards for catwalk widths, toeboards, and load requirements are found in sections 1910. If we're at a facility loading indoors, then it applies to the business and they will enforce those regulations but as far as us climbing around, checking this or that, we don't fall under those requirements. , and although I can find multiple manufacturers on the web, I am more interested in specific IBC and/or OSHA codes that are relevant in the design of such systems. As for the load calculations, it is imperative to know that. Home; Products. 5 inches (24 cm); ( 3) Have a minimum tread depth of 9. Specifically, 29 CFR 1926. Riser height – 9. 40 PSF in 2006 IBC Table 1607. 23 requirements on guarding floors and wall openings and holes is the American National Standards Institute standard, ANSI A12. 29(b)), and contain. purposes and have different requirements. In proposed § 1910. Send; An industrial catwalk is a narrow, high walkway or elongated show spent in industrial applications to provide safe access to enhanced work areas. What are height requirements above the grate? RE: Toe Kick kslee1000 (Civil. Subsection 3273(d), covering catwalks, requires that catwalks be no less than 18 inches wide and have at least 6 ½ feet of clear headroom. 451 (g) (1) (v) states: Each employee on a walkway located within a scaffold shall be protected by a guardrail system (with minimum 200 pound toprail capacity) installed within 9½ inches (24. 4 cm) in height. Eugene, Oregon 97401. Paragraph §1910. 2 Loading Requirements 4. Previously, the OSHA required fixed ladders taller than 20 feet to have cages as a form of fall protection. OSHA Catwalk Requirements: Standards For Width, Auflast, Manual & More. Understanding these requirements can help ensure a safe work environment since equipment operators and maintenance personnel working on catwalks. 500 (f) (1) (i) thru (v). 5 Take a hard hat up to the catwalk with you when the catwalk is known to have low head clearance areas. Tweet; An manufacturing walkway is a narrow, elevated walkway or elongated stage utilised into general application to deploy safe access on elevated work divided. 1910. Due to the likelihood of requiring access to the attic space for repairs and maintenance during the life of a home, the code establishes the minimum requirements for attic access to ensure it is functional. 502(c)(1) Safety nets shall be installed as close as practicable under the walking/working surface on which employees are working, but in no case more than 30 feet (9. 3. This includes measuring the deflection and residual deformation under specified loads. 502(c)–Safety Net Systems. Write to the Academy staff at 1301 Airport Road Beaver, West Virginia 25813-9426. A minimum width of 22 inches (559 mm) is permitted for lighting and access catwalks. For a comprehensive list ofThe fundamental differences here that should be pointed out are the differences in allowable height and loading capacity. To assist employers and employees alike, OSHA. Scaffolding. Relevant Factors: The incident occurred because of severe corrosion to the catwalk. Tweet; An industrial catwalk is a narrow, elevated walkway or slim platform used in industrial applications to provide safe access to elevation work areas. 28 (b) (3) (i) Each servant is shielded from falling taken any hole (including skylights) which is 4 feet (1. 1015. (1) When the employer uses a designated area, the employer must ensure:. Oddly enough, OSHA does not apply to flatbedders. Work platforms and mezzanines need to have a minimum height which is 14. 5” maximum. Simply put, chains, once a viable option for protection of ladder access, are no longer allowed by OSHA. 28 (b) (1) (i) gives you three options for fall protection: Guardrail. Means of Egress: "The means of egress from lighting and access catwalks , galleries and gridirons shall meet the requirements for occupancies in Group. Wages, breaks, retaliation and labor laws. ANSI B11. 28 (b) (3) (i) (C) Travel. OSHA requirements for walkways state that "all places of employment, passageways, storerooms, service rooms and walking-working surfaces are kept in a clean, orderly and sanitary condition. OSHA regulations state that cable railings must have a smooth top rail at 42 inches above the floor that is able to withstand at least 200 pounds of pressure from any direction. 1917. General Requirements. Pipe railings constructed of one-and-a-half-inch pipe spaced no more than eight feet apart, and steel railings made from 2. Skip to content. 3, appropriately address the concerns raised by commenters, and has incorporated those provisions into paragraph (d)(12) of the final rule. Our interpretation letters explain these requirements and how they apply to particular circumstances, but they cannot create additional employer obligations. Non-penetrating Guardrail. 1 of the 2018 International Residential Code. The standard focuses on proactive safety management — meaning that OSHA expects employers to find and fix workplace hazards BEFORE they become an issue. NOTE: Except where indicated, these requirements also apply to multi-level, single-point adjustable, multi-point adjustable, interior hung, needle beam, catenary, and float (ship) scaffolds. The OSHA general industry ladder requirements can be summarized as. Non-penetrating Guardrail. OSHA's decision not to require the use of personal fall arrest systems in other situations while working on ladders. (b) Travelways and platforms or other means of access to areas where persons are required to travel or work, shall be kept clear of all extraneous material and other stumbling or slipping hazards. OSHA 1910. Chao, Secretary Mine Safety and Health Administration, Dave D. Mechanical equipment shall be operated in accordance with applicable requirements in this part, including subparts N, O, and CC of this part, except that § 1926. Stair tread should be slip-resistant for mezzanine safety. Our interpretation letters explain these requirements and how they apply to particular. It includes the specifications for the top. Catwalks Provide safe and easy access to elevated work stations while mitigating fall hazards. Mr. (c) Inclined travelways shall be constructed of nonskid. gov . Recordkeeping Requirements and Forms ; Safety and Health Programs ; Support After a Loss ; Whistleblower Protections ;. Guardrail systems. The top rail must be at least 42 inches in height (§1910. Access to wing walls from floors of dry docks shall be by ramps, permanent stairways or ladders meeting the applicable requirements of § 1915. 1910. OSHA 29 CFR 1910 Subpart D - Walking-Working Surfaces addresses the requirements for catwalk dimensions, fashion minimum load requirements, and catwalk fall protection. 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. 502(b)(3) requires railing systems meet a 200 pound concentrated load test. Nov 27, 2022 Estimated reading time: 6 minutes In a factory setting, the equipment can be difficult to access, leading to dangerous and/or uncomfortable working conditions. Step 5: Inspect the spreader and see if it opens and closes smoothly. OSHA sets. 1926. 28 (b) (9). Not to big an issue if you only have a 12" - 24" drop to a dry or safe surface, but could be a major safety concern if your shallow ditch could have harmfull. For example, stairs manufactured with a 45-degree stairway rise must have a minimum rise and tread of 8. If an employee feels unsafe, they have the right to refuse work. 87 Franklin Avenue. employers need to make sure that catwalks are constantly kept safe and up to code. 1910. 501(b)(1) (guardrails on the walking/working surface, safety nets, or personal fall arrest systems) or modified the catch platform to ensure it would have prevented a falling employee from. use guardrail, safety net, or personal fall protection systems on residential roofs, the employer must develop and implement a fall protection plan that meets the requirements of 29 CFR 1926. Topics. and minimum stair tread of 9. Wear a harness and always stay connected. According to OSHA 1910. The phrase “working at height” might offer thoughts of someone roofing your house or a worker up in a personnel lift. 29(g)(4)), have an acceptable guardrail system (29 CFR § 1910. A catwalk is an elevated surface used as a pathway between buildings or along shafting. COVID-19 Healthcare Final Rule. Dear Mr. Load Requirements for Catwalks. (a) Permanent floors and platforms shall be free of dangerous projections or obstructions, maintained in good repair, and reasonably free of oil, grease, or water. For stair rail systems installed on or after January 17, 2017, the top rail and handrail must be separate. 1915. Guarding Floor and Wall Openings and Holes — OSHA Standard 1910. OSHA sets the catwalk site for aforementioned minimum width measuring, least load requirements, dropping protection requirements, and the catwalk opening. The OSHA catwalk requirements for general industry address many design variables to ensure that these systems are sure with employees. Ship scaffolding, however, can have three-quarter inch by one-and-a-half inch edges rather than standard four-inch toeboards. 6 in. Catwalks / Elevated Walkways. North Tonawanda, New York 14120. standards. OSHA has stair requirements for catwalks as well. 1910. It offers a great way to help your workers stay safe, meets OSHA walkway requirements, and provides easier access to equipment. Occupational Safety and Health Administration 200 Constitution Ave NW Washington, DC 20210 1-800-321-OSHA 1-800-321-6742. Lauriski, Assistant Secretary . The OSHA footbridge requirements since basic industrial address of design variables to guarantee that these systems be safe for employees. based on your exact specifications. Labor Commissioner's Office. Rise and tread measurements are dictated by the angle of the stairway rise. OSHA Catwalk Requirements: Standards For Beam, Load, Handrails & More. Requirements and Example Solutions An adequate gangway, ramp, or permanent stairway must be provided between a floating drydock, piers or bulkhead, and for access to wing walls and drydock floors. 451(e)(5) Ramps and Walkways 1926. Standard platform decking surface is constructed of 3/16" diamond plate. (b) A standard toeboard shall be 4 inches (nominal) minimum in vertical height from its top edge to the level of the floor, platform. Trench collapses, or cave-ins, pose the greatest risk to workers' lives. Confined Space & Rescue In critical moments, support worker safety with confined space and fall. Falling off the CatwalkBy: Anya RuzickaWhat is a catwalk?Catwalks provide easy access for theatre personnel to perform common tasks. richardm (Structural) 17 Nov 06 08:20. elevated walkways designed to enable people to work with lights, sound effects, and other resources elevated in the theatre Falling off the catwalk can result in serious injuries, or even death. Mechanical equipment. Overview. 2. Kee Gate's spring-loaded self-closing hinge ensures that the gate will automatically close, maintaining a constant safety barrier between the user and the hazard. (d) Designated areas. Learn more about easy-to-install platform systems today! Safety Net Systems In some situations, employers may be able to place safety nets underneath truss chords to prevent workers from falling to the level below. 502(k) and training that meets the requirements of 29 CFR 1926. ), safety sleeve, full body harness and connectors, wherein the carrier is permanently attached to the climbing face of the ladder or immediately adjacent to the structure. 29. 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. This letter constitutes OSHA's interpretation of the requirements discussed. Working Area. Motor carriers operating in interstate commerce must comply with the new requirements beginning January 1, 2004. Sea 19, 2021 2:42:17 PM . OSHA Enforcement ; Annual Inspection Data ; Topics Back. The attic access requirements for residential structures can be found in Section R807. Runs, or runways, provide a means a access to equipment,. 500 (f) (1) (vi) sets forth the generic specification criteria for standard railings as follows: (vi) Other types, sizes, and arrangements of railing construction are acceptable, provided they meet the following conditions: (a) A smooth. 23 includes requirements for ladders, where OSHA defines handrail requirements on platforms and how high safety railings must be. When it comes to work platforms, what are some OSHA program requirements to keep in mind? Learn about several major standards. Or, give us a call: 1-800-353-9425. OSHA sets and catwalk criteria since who minimum width dimensions, minimum load requirements, decline protection requirements, and the catwalk opening requirement. 7 feet between the ground floor and the ceiling. 1910. Design Capabilities. 151 (c) focuses on emergency showers and eye wash stations specifically by addressing the need for facilities to enable workers to flush themselves of corrosive materials. Our interpretation letters explain these requirements and how they apply to particular circumstances, but they cannot create additional employer obligations. 1926. Box 483 Thonotosassa, FL 33592. OSHA 1910. Dear Mr. Personal Fall Arrest, Travel Restraint, Positioning Systems. 29 (b) (1): The top edge height of top rails, or equivalent guardrail system members, are 42. Guidelines. OSHA requirements are set by statute, standards and regulations. 28 and 1910. 10 has been incorporated in A14. California’s state plan differs significantly from federal OSHA. Trench collapses, or cave-ins, pose the greatest risk to workers' lives. GPO Source: e-CFR. The employee training requirements for ladder safety are also covered within 1910. Mar 19, 2021 2:42:17 PM . Stair tread should be slip-resistant for mezzanine safety. Ladders without cages or in wells should have at least 15 inches clear in each direction from the center of the ladder. The Occupational Safety and Health Administration (OSHA) requirements for scaffolding safety come from the Code of Federal Regulations. 27 (d) (1) (ii), Fixed Ladders and Safety Cages. As for guarding, OSHA requires General Industry to provide guardrails or fall protection for workers above 48". 2. OSHA Catwalk Requirements: Standards For Beam, Load, Handrails & Get. Enter for a chance to win our Beat the Heat contest. Non-penetrating Guardrail. Oregon Occupational Safety and. The OSHA catwalk width requirements are found in section 1910. 22 (a) (2) The floor of each workroom is maintained in a clean and, to the extent feasible, in a dry condition. Risers for OSHA stairs are allowed to. Top companies in the e-commerce and retail industries trust our catwalks to provide access to critical machinery and equipment. 28 (b) (9) (ii) (A)Confused about OSHA's ladder safety system requirements for 24-foot mounted access ladders? Read our blog post for details to keep your team safe. Benefits for work-related injuries and illnesses. (2) A mid-rail shall be halfway between the top. Non-penetrating Guardrail. (3) During demolition on the floor or surface being demolished. So, that height can be anywhere from 39 inches to 45 inches. To prevent cave-ins: Employers should also ensure there is a safe way to enter and exit the trench. Non-penetrating Guardrail. 5 inch outside diameter or larger, and the spacing must be 8 feet or less Toeboards to prevent items being kicked over the side. When wet processes are used, drainage must be maintained and, to. Skip to content. Topics. 1053 (a) (1) Ladders shall be capable of supporting the following loads without failure: 1926. WIDTH ≥ 22” between railings. NThe OSHA catwalk requirements for general diligence address many design variables to ensure that these systems are safe for associates. This states that they will still require an egress stair, but the site owner can choose from a number of different forms to access the catwalk. It also requires. To keep apprised of such developments, you can consult OSHA's website at If you have any. OSHA sets the gang standards for that minimal side dimensions, minimum belasten requirements, decrease protection request, and the catwalk opening product. search. When conditions warrant, the height of the top edge may exceed the 45-inch height, provided the guardrail system meets all other criteria. Dear Mr. The top edge height may exceed 45 inches (114 cm). This letter constitutes OSHA's interpretation of the requirements discussed. equipment (PPE) (respirators, safety glasses, hearing protection), • Planning for and responding to emergencies such as fires, earthquakes, or chemical spills. Advisory Opinions of the State Ethics Commission are searchable and available as part of COMAR Online. Mr. An OSHA catwalk serviced by a stairway is a type of stair landing. OSHA's walking-working surfaces standard is revised. It also covers topics such as personal protective equipment, emergency response, and training. ] Walkway is defined by §1926. If the height is as much as 30 feet one can. Enforcement. Do not start fabrication until the shop drawings are approved B. The OSHA catwalk requirements for general industry address many design variables at ensure such these systems are safe for employee. We expect the Walking and Working Surfaces and Personal Protective. 36 (a) Basic requirements. This letter constitutes OSHA's interpretation of the requirements discussed. 503. 24 cm) in height shall be provided at the waterside edges of aprons and bulkheads, except where vehicles are prohibited. 2 cm) inch vertical height requirement for toeboards to 3 1/2 inches (8. Osha catwalk requirements and regulations for increased runways and walkways. 22 (a) (1) All places of employment, passageways, storerooms, service rooms, and walking-working surfaces are kept in a clean, orderly, and sanitary condition. Whether you call them swing gates, safety gates, ladderway gates or drop bars, the OSHA standard is in. 48 (a) (2) An elevated walkway with guardrail or equivalent means of protection shall be provided where employees cross over moving conveyors, and suitable guarding shall be provided when employees pass under moving conveyors. The top rail must be at least 42 inches in height (§1910. 205 (a) (a) Safe means of access shall be provided and maintained to all working places. Here are some of the new requirements: Companies have to assess each jobsite for the presence of confined spaces. 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. Advisory Opinions. Vertical rise – 30° to 50°. 1926. I don't think the building code provides a definition, but the dictionary says:. Standards and criteria for catwalk widths, loads, additionally fall protection. 1-800-736-7401. 1910. Keep materials away from the edge of the trench. Skip up content. Dear Mr. Ramps should have an inclination of not. Safety net systems. It would be a single direction fall into the ladder opening and as such, a ladder safety gate is required. OSHA sets the catwalk standards for the minimum width dimensions, minimum load requirements, fall protection requirements, plus the footbridge opening demand. To keep apprised of such developments, you can consult OSHA's website at If you have any further. U. OSHA Catwalk Requirements: Standards Used Width, Auslastung, Handrails & More. Osha catwalk requirements and regulations for elevated runways and walkways. OSHA 29 CFR 1910 Subpart D - Walking-Working Surfaces addresses the requirements for catwalk dimensions, catwalk minimum load provisions, or catwalk slump protection. Office of the Director. Requirements for Ladders OSHA has reorganized separate rules for fixed ladders, portable wood ladders and portable metal ladders into a single rule for most ladders, and a second rule covering “step bolt and manhole steps” (which effectively provides partial exceptions to requirements generally applicable to ladders). 29 define the duty to have fall protection and the requirements for fall protection systems. It includes the specifications for the top edge height, midrails, screens, mesh, intermediate members, and force requirements of guardrail systems, as well as the exceptions and alternatives for personal fall protection systems. The top edge height may exceed 45 inches (114 cm), as long as the guardrail system meets all other criteria. 4 kilometers per hour (40 miles per hour), or 48. Understanding these need can help ensure an safe work environment for equipment operators and maintenance personnel working on catwalks. To reduce the. 22, addresses workplace hazards that cause slip, trip, and falls. Handrails are required when there is a top step height of 4 feet or more and a railing needs to be 29. GPO Source: e-CFR 1910. An OSHA-approved state plan must have safety and health requirements at least as effective as those of Federal OSHA and must adopt comparable stateIn addition to paragraph (b) of this section, the employer must ensure standard stairs: ( 1) Are installed at angles between 30 to 50 degrees from the horizontal; ( 2) Have a maximum riser height of 9. DSG FS-3943 03/2018 This is one in a series of informational fact sheets highlighting OSHA programs, policies or standards. It covers all walking-working surfaces unless specifically excluded by an individual section of this subpart. To be in compliance with OSHA catwalk requirements, all catwalks and raised work platforms must have toeboards at least 3 1/4 inches tall along all open sides. The list is meant to assist construction employers and does not detail all Cal/OSHA requirements. 1053 1926. 23 (a) (2): Every ladderway floor opening or platform shall be guarded by a standard. 29 (k) includes standards for “protection from falling objects”. 1910. Department of Labor, Elaine L. OSHA Enforcement ; Annual Inspection Data ; Topics Back. Occupational Safety and Health Administration 200 Constitution Ave NW Washington, DC 20210 1-800-321-OSHA 1-800-321-6742. Look for standing water or atmospheric. Walksways, or runways, deploy a means of access to equipment,. Step 4: Check if the connections of the rungs to the rails are secure. Two existing exceptions to the catwalk requirements state that 1) catwalks with less than 6 ½ feet of headroom are permissible if they are posted with OSHA 1910. OSHA Catwalk Requirements: Standards For Beam, Load, Handrails & Get. 3333 to speak to speak with our custom fabrication team. 1910. It offers a great way to help your workers stay safe, meets OSHA walkway requirements, and provides easier access to equipment. 1910. 866. 500 (f) (1) (vi) sets forth the generic specification criteria for standard railings as follows: (vi) Other types, sizes, and arrangements of railing construction are acceptable, provided they meet the following conditions: (a) A smooth. For a comprehensive list ofRunway means an elevated walking-working surface, such as a catwalk, a foot walk along shafting, or an elevated walkway between buildings. Home; Products. Topics. What are the general OSHA requirements of toe board? According to OSHA 1910. OSHA Catwalk Options . Catwalks, or airstrip, provide a means of access to equipment, support areas the. OSHA sets the catwalk reference for the minimum width dimensions, minimum load requirements, fall protection requirements, and the catwalk aperture requirements. 1-800-321-OSHA 1-800-321-6742 Paragraph §1910. 28 (a) General. 1051 (a) (1) Employees shall not use any spiral stairways that will not be a permanent part of the structure on. The new rules are based on the North American Cargo Securement Standard Model. Understanding those. Vertical rise – 30° to 50°. § 3273. Our interpretation letters explain these requirements and how they apply to particular circumstances, but they cannot create additional employer obligations. 10, 1999)), OSHA offered the following explanation: . 23 (c) covers the edges of open-sided floors and platforms, but not the access openings at the edge of the platform or through the floor.