guardrail requirements osha. 23 covers requirements for ladders and includes information on when handrails are required on mobile ladder stands or platforms (when they have a top step height of 4 feet or more) and how high a railing must be (29. guardrail requirements osha

 
23 covers requirements for ladders and includes information on when handrails are required on mobile ladder stands or platforms (when they have a top step height of 4 feet or more) and how high a railing must be (29guardrail requirements osha  Here are some basic pieces of information to bear in mind when constructing a handrail to comply with OSHA Standards

Handrail must be continuous. 25 inches in diameter or 0. 3 - Petitions for the issuance, amendment, or repeal of a standard. OSHA requirements are set by statute, standards and regulations. Our interpretation letters explain these requirements and how they apply to particular circumstances, but they cannot create additional employer obligations. Conveyor systems shall be equipped with an audible warning signal to be sounded immediately before starting up the conveyor. 29(b) and its subparts. 5 - Applicability of standards. This elevated work area is still clearly a hazardous area and you. In addition, Section 5 (a) (1) of the Occupational Safety and Health (OSH) Act, often referred to as the General Duty Clause, requires employers to "furnish to each of his employees employment and a place of employment which are free from recognized. 29 (f) (1) (ii) (B)) and the handrail must be 30 to 38 inches in height (§1910. 451 (a) (5), states that, "Guardrails shall be 2 x 4 inches or the equivalent, approximately 42. 23 & 1926. They must be protected by guardrail systems, safety net systems, or personal fall arrest systems, or They must work in a controlled access zone (CAZ) . OSHA has issued a final rule on Walking-Working Surfaces and Personal Fall Protection Systems to better protect workers in general industry from these hazards by updating and clarifying standards and adding. § 214. Most loading docks are 48-52” tall, but we do see instances of docks a few inches shy of four feet–say 46”. . Last updated: Tuesday,. 29 (b) (3) (4) (5). . Zhang@dot. With both standards, OSHA deems guardrail compliant under the following conditions: Vertical height of 42 inches. This ribbon of rail acts to capture impacting vehicles and to. A stair rail or stair guard is a safety railing or barrier located along the open side(s) of a stairway. OSHA regulations are pretty straightforward: “Top edge height of top rails, or equivalent guardrail system members, shall be 42 inches (1. Double-cleat ladder means a ladder similar in construction to a single-cleat ladder, but with a center rail to allow simultaneous two-way traffic for employees ascending or descending. ) from the surface of the walking area. OSHA requirements are set by statute, standards and regulations. They must be protected by guardrail systems, safety net systems, or personal fall arrest systems, or They must work in a controlled access zone (CAZ) . 29 and their roof guardrail requirements, we've identified at least 4 areas of major concern for rooftop safety that would require a safety rail for roof system. 1926. 450(b), as well as the requirements of §1926. Maximum riser height of 9. 8. are good for high entry ways and cathedral ceiling areas of residential homes. The locking device shall be of a type which has no loose parts. Docket S-775 Safety Standards for Steel Erection (proposed January 26, 1988, 53 FR 2048, final rule published January 18, 2001 66 FR 5196). (3) If ramps change direction at landings, the minimum landing size shall be 60 in by 60 in (1525 mm by 1525 mm). Thickness. 26 (b) (2)OSHA requirements are set by statute, standards and regulations. OSHA requirements are set by statute, standards and regulations. Handrail Requirements. That said, even docks coming in under 4 feet should utilize some sort of fall protection. 30. 29 (b) (3) requires that g uardrail systems are capable of withstanding, without failure, a force of at least 200. 5”. Details are at GUARDRAIL CODES & STANDARDS - this article. Our interpretation letters explain these requirements and how they apply to particular circumstances, but they cannot create additional employer obligations. Employers are responsible for ensuring compliance with applicable OSHA requirements. The maximum and minimum cross-sectional dimension should be 2. Answer. 29 (b) (1) The top edge height of top rails, or equivalent guardrail system members, are 42 inches (107 cm), plus or minus 3 inches (8 cm), above the walking-working surface. ( 4) Have a minimum width of 22 inches (56 cm) between vertical. 351. Whenever guardrail systems are used, they must meet the definition of a "guardrail system" in §1926. 1-2007, Safety Requirements for Workplace Walking/Working Surfaces and Their Access; Workplace Floor, Wall and Roof Openings; Stairs and Guardrail Systems. it's vital that your devices meet all the standards set forth by OSHA and that your workers are trained on their proper use. Standards Institute, Standard A1264. Surface requirements: OSHA standard 1926. The OSHA catwalk handrail requirements are found in OSHA sections 1910. 3. This 28-page document covers the basics of fall protection systems, equipment, and regulations, as well as practical tips and examples for different work scenarios. WASHINGTON, DC – The U. Vehicle protection . * The CPSC recommends that. Handrail height, spacing, and incline are all addressed by the International Residential Code (IRC) and the International Building. 1926. Safety Standards for Scaffolds. 213/91, the highest being a travel restraint system that meets the requirements of section 26. 29 (b): "Fall protection systems and falling object protection -- criteria and practices. Re: Stair rail and hand rail heights; §1926. The IBC code for structural design has some very specific requirements for deck stairs: Stair rails on decks should be between 34 inches and 38 inches high, measured vertically from the nose of the tread to the top of the rail. 451 (b) (3) (ii) The maximum distance from the face for plastering and lathing operations shall be 18 inches (46 cm). Railing height from tread surface at the riser face shall be 33±3 inches (83. 62 m) of lateral travel for employees. The opening between a guardrail and the end structure at the head of a bed shall be no more than 15 inches. OSHA Guidance for Operating Lift Trucks on Ramps and Grades. 502). If the guardrail is unable to bear the minimum structural load, it could break due to the applied forces, resulting in a tragic accident. Maximum 12′-7″ vertical height (rise) for a flight of stairs. Refer to Plan Insert Sheets (GR series) and the July 2012 Version of this Manual for Type 5 guardrail design standards. OSHA Handrail Standards. Our interpretation letters explain these requirements and how they apply to particular circumstances, but they cannot create additional employer obligations. , guardrail systems, safety net systems, or personal fall arrest systems) for work 6 feet or more above lower levels, except where employers can demonstrate. All other guardrail systems and their components shall meet the following. Training and qualification of flagmen. Common shapes are flat, rounded edge, and tubular in horizontal railings, whereas tetraform spear-headed or ball. All top rails and midrails need to be at least 0. 29(b). A safety handrail provides stability with a handhold on a platform, walkway, stairway or step. You will still be OSHA compliant without safety harnesses if the guardrail is adequate, but we recommend using them when: The scissor lift work platform is higher than six feet; wearing a harness is part of the scissor lift manufacturer’s instructions; and. Phone: Fax: Buy guardrail netting for mid-rail and toe board fall protection, in addition to overhead protection against debris. The newest OSHA revisions include the following criteria for OSHA 1910. 451 (a) (5), states that, "Guardrails shall be 2 x 4 inches or the equivalent, approximately 42 inches. Theatre galleries, balconies, or other such elevated seating locations, where a 42-inch railing would obstruct the sight lines, may be protected by a guardrail or other barrier of not less than 34 inches in height provided that a horizontal concave safety ledge not less than 6 inches in depth and not less than 36 inches in effective width is installed beyond the railing at the balcony floor. Maximum riser height of 9. 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. OSHA requirements are set by statute, standards and regulations. Guardrail systems that are not at least 42 inches high can be cited as a technical. The employer must ensure guardrail systems meet the following requirements: 1910. It is important to keep in mind that if a rooftop is as little as 4 feet above. Minimum width of 22”. If you need additional information, please contact us by fax (202-693-1689) at: U. Guardrails need to have a minimum breaking strength of 200 lbs. Details are at GUARDRAIL CODES & STANDARDS - this article. 555 (a) General requirements. Toeboards need to be around 3. As a reference, OSHA's fall protection standards would require a safety net used in this scenario to extend 8 feet from the edge of the walking/working surface. 502(k) and training that meets the requirements of 29 CFR 1926. test requirements (such as ANSI/SIA A92. For safety- and health-related assistance, employers and employees may contact the nearest Cal/OSHA Consultation . 5”. 22 (b); 1910. When a forklift truck is used for lifting personnel on a secured safety platform with a guardrail to. ) Floor opening – An opening 12 inches or more in its least dimension in any floor, roof or platform, through which a person, material or tool. These standards, including 29 CFR 1910. 1926. Therefore, it is vital to assist the public in learning about OSHA documents related to agriculture. For more information, visit or call OSHA at 1-800-321-OSHA (6742), TTY 1-877-889-5627. Since that time, OSHA has received many questions and requests for interpretation of the requirements for handrails and stair rail systems. Definitions . SUMMARY: OSHA is proposing changes to the Walking-Working Surfaces standards to clarify which handrail and stair rail system requirements apply to new stair rail. A Guide to OSHA Rules This informational booklet provides a general overview of a particular topic related to OSHA standards. 24 cm) in height shall be provided at the waterside edges of aprons and bulkheads, except where vehicles are prohibited. 2m) or more above a lower level is protected from falling by one or more of the following guardrail systems; safety net systems; or. These include: The top edge height of top rails, or equivalent guardrail system. 10. 29. The top edge height may exceed 45 inches (114 cm). DEPARTMENT OF HOUSING AND URBAN DEVELOPMENT Page 5 of 14 DEFICIENCY 2 – UNIT: HANDRAIL IS NOT SECURE. Semitrailers, flatbeds and straight trucks all have bed heights that closely align with 48-inch-high platforms, so loading dock platforms most commonly are 44 to 48 inches high. An opening between 3½ and 9 inches should be avoided because of the danger of entrapment. Will the Guardrail Meet Loading Dock Railing Requirements? OSHA details the requirements for guardrails in more detail since the 2017 update. 502(b)(9) states that top rails and mid rails must have a thickness or nominal diameter of at least ¼ of an inch to. 500-1926. 451(a)(1), (a)(6) and (f), if. The Occupational Safety and Health Administrations, Safety and Health Regulations for Construction, specifically 1926. Ref: Scaffold Guardrail height;. safety monitoring systems. a worker leaves the elevated aerial lift work platform. 1926. * The CPSC recommends that. Not understanding how they are different can lead to being out of compliance and possible heavy fines. Hexavalent Chromium. 451(g)(4). This regulation states that, “Guardrail systems. Department of Labor, OSHA, Office of Construction Standards and Guidance, Room N3468, 200 Constitution Avenue, N. gov. 73 (d) When employees are exposed to unguarded edges of decks, platforms, flats, and similar flat surfaces, more than 5 feet above a solid surface, the edges shall be guarded by adequate guardrails meeting the requirements of § 1915. Objects which have fallen into the safety net, such as scrap pieces, equipment, and tools, must be removed as soon as possible from the net and at least before the next work shift. This letter constitutes OSHA's interpretation of the requirements discussed. ft. This regulation states that, “Guardrail systems shall be capable of withstanding, without failure, a force of at least 200 pounds (890 N) applied within 2 inches (5. Here are some basic pieces of information to bear in mind when constructing a handrail to comply with OSHA Standards. 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. 3. Apart from IBC, OSHA also has minimum strength requirements for guardrails. 1917. If you choose to use a guardrail system, you must comply with the 10 OSHA provisions listed below. 5". 502 (b) (3), (4), and (5). The fall protection requirements for residential construction are set out in Subpart M at 29 CFR 1926. Minimum 6′-8″ headroom height clearance for stairway. This subpart applies to all general industry workplaces. 23. A catwalk handrail or guardrail system is required for any catwalks higher than 4′ above a lower level. Standard Interpretations are letters or memos written in response to public inquiries or field office inquiries regarding how some aspect of or terminology in an OSHA standard or regulation is to be interpreted and enforced by the Agency. 1926. 451 (b) (4) Each end of a platform, unless cleated or otherwise restrained by hooks or equivalent means, shall extend over the centerline of its support at least 6 inches (15 cm). For example, ANSI standard A1264. Cleat means a ladder crosspiece of rectangular cross section placed on edge upon which a person may step while ascending or descending a ladder. Department of Labor, Occupational Safety and Health Administration (OSHA) under the general industry standard 29 CFR 1910. 23 covers requirements for ladders and includes information on when handrails are required on mobile ladder stands or platforms (when they have a top step height of 4 feet or more) and how high a railing must be (29. 25 (b) (1) Handrails, stair rail systems, and guardrail systems are provided in accordance with § 1910. It applies to classrooms with permanent and temporary floor holes and openings greater than 1 inch in its least dimension, floor drains, manholes, hatchways, ladder. 502 (b) (1) Top edge height of top rails, or equivalent guardrail system members, shall be 42 inches (1. 26 (a) Dockboards are capable of supporting the maximum intended load in accordance with § 1910. Be sure you have checked all 10 before work begins on your job-site. Guardrail systems. 451(g)(4). Department of Labor, Occupational Safety and Health Administration (OSHA) under the general industry standard 29 CFR 1910. 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. Dear Mr. OSHA 1910. Details1. Do the OSHA Construction standards apply to me? The standards apply to: All contractors who enter into contracts which are for construction, alteration, and/or repair, including painting and decorating. Our interpretation letters explain these requirements and how they apply to particular circumstances, but they cannot create additional employer obligations. 1926. 1014. 1910. 1926. Now, if your loading dock is at 46”, per OSHA dock safety standards, fall protection is not required. Surface requirements: OSHA standard 1926. Avoid the hassle and be educated on the key roof railing differences. Wherever guardrail protection is required, the following standards shall be adhered to except that other types and arrangements of guardrail construction will be acceptable where the height, surface and end projection of the top rail complies with the standard specifications and the closure of the vertical area between the top rail and floor, platform,. OSHA Guardrail Load Requirements. Our interpretation letters explain these requirements and how they apply to particular circumstances, but they cannot create additional employer obligations. 25 inches. 23(c)(1), the open sides of platforms more than four feet above an adjacent floor or ground level must be guarded by a standard railing or the equivalent. In 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. (note that all lumber dimensions are nominal lumber sizes. 24 cm) in height shall be provided at the waterside edges of aprons and bulkheads, except where vehicles are prohibited. This subpart applies to all general industry workplaces. NATIONAL STANDARDS FOR THE PHYSICAL INSPECTION OF REAL ESTATE U. Here are OSHA’s requirements for guardrail height: The top of the rail system must be 42 inches (±3 in. OSHA published a final rule on walking-working surfaces and personal protective equipment in. In addition, if the guardrail has intermediate vertical members (uprights between the top and bottom rails), the gaps should be no more than 19 inches (see 1910. "The employer must ensure each employee on a walking-working surface with an unprotected side or edge that is 4 feet (1. need to be provided for(The requirements to have guardrail systems with toeboards for falling object and overhead protection on platforms and landings are set forth in subpart M of this part. 1917. The top rail must be at least 42 inches in height (§1910. Use at least one of the following for scaffolds more than 10 feet above a lower level:. 451(b) (scaffold platform construction). Scope . 23(e)(2) A stair railing shall be of construction similar to a standard railing, but the vertical height shall be not more than 34 inches nor less than 30 inches from an upper surface of top rail to the surface of tread in line with the face of the riser at the forward edge of the tread. 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. OSHA states that guardrail must reach a height of 42 inches, plus or minus 3 inches, above the walking-working surface and withstand a force of 200 pounds at any. IBC 2000 1-1/2 inch minimum. Guardrail systems and toeboards. The top rail rail must be able to withstand 200 pounds of force in the downward and outward directions. 5. 23 covers requirements for ladders and includes information on when handrails are required on mobile ladder stands or platforms (when they have a top step height of 4 feet or more) and how high a railing must be (29. Scaffolding. OSHA requirements for guardrails are also quite stringent. Must Withstand 200 Pounds. In sum, when a construction employer protects its employees from falls with a guardrail system, that guardrail system must meet the requirements in §1926. The top rail must be at least 42 inches in height (§1910. 1910. 454. 71 (d) (1) Metal scaffold members shall be maintained in good repair and free of corrosion. Commercial buildings generally require handrails when stairs have four or more risers, are over 44 inches in height, or are over 88 inches in width. Contains information that helps workers identify and control the hazards that cause the most serious construction-related injuries. Minimum tread depth of 9. In 2017, OSHA updated its requirements, clarifying what employers and construction workers need to do to adhere to safety standards on the construction site. Safety net systems and their use shall comply with the following provisions: (c)(1) Safety Railing and Guardrail Systems. So, that height can be anywhere from 39 inches to 45 inches. Depending on the type of scaffold, each employee more than 10 feet above a lower level must be protected from falling either by a personal fall arrest system, a. 1926. Sets forth safety requirements for areas where danger exists of persons or objects falling through floor or. Here is a list of five current OSHA standards for work platforms that you may not be aware of. The manufacturer must approve any alterations to the stilts. 28″ with a minimum of 9″ clearance between the child and adult handrail. Federal OSHA says the height of the top rail can be between 39 and 45 inches, while Cal-OSHA does not permit top rails to be so low. OSHA Fall Protection Standard 1910. 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. Guardrail requirements are covered under OSHA 1910. The Bulletin is advisory in nature, informational in content, and is intended to assist employers in----- OSHA also drew many provisions in the final rule from national consensus standards, including ANSI/ASSE A1264. Purpose of a Guardrail . 1. Suite 301 Chadds Ford, PA 19317. Drop testing for OSHA requirements. ( 4) Have a minimum width of 22 inches (56 cm) between vertical. Sets forth safety requirements for areas where danger exists of persons or objects falling through floor or. 5 inches (24 cm); and. Standard Interpretations are letters or memos written in response to public inquiries or field office inquiries regarding how some aspect of or terminology in an OSHA standard or regulation is to be interpreted and enforced by the Agency. Step Guardrail Height: Unlike ADA guidelines, the guardrails in OSHA steps also act as handrails when the top edge of the guardrail is between 36 and 38 inches above the leading edge of the stair tread. According to OSHA’s construction fall protection standard ( 29 CFR 1926. The newest OSHA revisions include the following criteria for OSHA 1910. 23. Kevin Rauchut NVR, Inc. 25 inches thick. The agency has received numerous questions asking when handrails are required, and about the height requirements for handrails on stairs and stair rail systems. Where the guardrail requirements of subsections (a) and (b) are impracticable due to machinery requirements or work. S. The standard's definition of a guardrail system is: "a vertical barrier, consisting of, but not limited to, Toprails, midrails , and posts, erected to prevent employees from falling off a. [29 CFR 1926. 23 (e) (3) (v) (b)); Protection between top rail and floor,. Cal OSHA has a force requirement of 20 pounds per linear foot along the entire rail system. (1) For wood railings: Wood components shall be minimum 1500 lb-ft/in2 fiber (stress grade) construction grade lumber; (2) For pipe railings: posts, top rails, and intermediate. 20210. Maximum 12′-7″ vertical height (rise) for a flight of stairs. ----- OSHA also drew many provisions in the final rule from national consensus standards, including ANSI/ASSE A1264. Use internal couplings, Type 18-7, to maintain continuity. In some cases and places, however, that is not possible. 82 cm ±7. The use of wire ropes as top rails and intermediate rails of guardrail systems used for perimeter. The section of the OSHA code that specifies most of the primary guardrail and handrails as it directly relates to safety railing is 1910. Handrail Requirements. Mesh or screen in-fill panels need to extend from the surface to the uppermost rail. The Guardrail height shall not be less than 36 inches above the walking surface. The area shall be located on the same lot not less than 50 feet (15 240 mm) away from the building requiring egress. With both standards, OSHA deems guardrail compliant under the following conditions: Vertical height of 42 inches. Handrails must be placed between 34″ and 38″ in height, measuring from the nosing of the stair. Install guardrail systems along all open sides and ends of platforms. 6 - Incorporation by reference. Where the guardrail requirements of subsections (a) and (b) are impracticable due to machinery requirements or work. The top rail position and maximum single rail length requirements are easier to meet. 1917. Under §1926. Private stairways 30 inches (762) or less in height may have a handrail on one side only. 1917. Only stand on the work platform; never stand on the guardrails. If you choose to use a guardrail system, you must comply with the 10 OSHA provisions listed below. Our interpretation letters explain these requirements and how they apply to particular circumstances, but they cannot create additional employer obligations. Mid rail height of 21 inches. 71 (j) (1) and (2), unless the nature of the work in progress or the physical conditions prohibit the use. 1 m) plus or minus 3 inches (8 cm) above the walking/working level. 3) the top must not fail and may deflect to a point no lower than 39 inches above the floor when a 200 pound load is imposed on it in a downward or outward. When the employer can demonstrate that it is not feasible or creates a greater hazard to 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. 23) do not directly address the spacing of posts in between sections of a freestanding modular guardrail system. Compliance requirements for the use of U-bolt-type cable clamps in horizontal lifelines. 555 (a) (2) If the operator's station is at a remote point. 1. Safety Tips for Pedestrians. Keep away from the edge. The Occupational Safety and Health Administration (OSHA) standard at 29 CFR 1926. OSHA 1910. In construction the use of cables or chains to guard door and wall. The top rail of the handrail must be a minimum of 42" [ref. Our interpretation letters explain these requirements and how they apply to particular circumstances, but they cannot create additional employer obligations. Landings shall have the following features: (1) The landing shall be at least as wide as the ramp run leading to it. In the diagram below, you can see the side profile of two different types of guardrails: The first option shows a guardrail. OSHA Standards. 353. 23(e)(3)(ii), only refer to the spacing of posts within. The agency’s standard on walking-working surfaces for general industry (1910 Subpart D) was developed to help prevent dangerous falls from height or slips and trips on the same level (working surface). 1052 (c) (2) Winding and spiral stairways shall be equipped with a handrail offset sufficiently to prevent walking on those portions of the stairways where the tread width is less than 6 inches (15 cm). OSHA Standard. 1926. " 29 CFR 1910. 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. Dear Mr. 29 (b) (1): The top edge height of top rails, or equivalent guardrail system. 1(2) of O. The guardrails need to include a mid rail halfway between the top rail and the ground, at around the 21" mark for a standard height rail. An OSHA-approved state plan must have safety and health requirements at least as effective as those of Federal OSHA and must adopt comparable state they satisfy all of the guardrail requirements. OSHA addresses the fall protection to be provided to employees on self-propelled scissor-lifts through the application of the general duty clause (section 5 (a) (1)) of the OSH Act) because the OSHA standards do not cover such equipment. NFPANVIDIA made NeMo Guardrails — the product of several years’ research — open source to contribute to the developer community’s tremendous energy and work on. NCHRP Roadside Hardware Replacement Analysis: User Guide. Note that our enforcement. The criteria and practices requirements for guardrail systems on scaffolds are contained in 29 CFR part 1926, subpart L. 36″ minimum. Never walk. 73]. 29 (b) (1) The top edge height of top rails, or equivalent guardrail system members, are 42 inches (107 cm), plus or minus 3 inches (8 cm), above the walking-working surface. When assessing an employer's compliance efforts, the Agency considers the requirements of pertinent. 21(b)(1) and 1910. Occupational Safety and Health Act requires employers to comply with safety and health standards promulgated by OSHA or by a state with an OSHA-approved state plan. Passive fall protection protects many vulnerable areas and provides safety for all people, not just active employees on a job site. Have handrails that meet the requirements of § 1917. This letter constitutes OSHA’s. The CSA Standard Z797-18 Code of practice for access scaffold also provides minimum load bearing and height requirements for guardrails and toe boards. 4 - Amendments to this part. 29 (f) (1) (i) - Handrails are not less than 30 inches (76 cm) and not more than 38 inches (97 cm. 1 m), whichever is less. 1910. According to OSHA: When workers installing solar panels are exposed to fall distances of six feet or more, they need to be. 5 inches (24 cm); and. The area shall be permanently maintained and identified as a safe dispersal area. Hazards are identified, as well as the controls that keep these hazards from becoming tragedies. Top rail and midrail dimensions: Must be at least 0. The job-built guardrail systems were evaluated to determine whether they complied with OSHA regulation 29 CFR 1926. 82 cm ±7. When used to support the top rail for the guardrail, cross bracing should reach the required height of between 38 and 45 inches. 1431 (b) (1) When using equipment to hoist employees, the employees must be in a personnel platform that meets the requirements of paragraph (e) of this section.