osha 1910 guardrail. guardrail systems to prevent objects from falling to a lower level; (2) Erecting canopy structures and. osha 1910 guardrail

 
guardrail systems to prevent objects from falling to a lower level; (2) Erecting canopy structures andosha 1910 guardrail  •Guardrail

The top edge of the guardrail should be 42 inches above the walking/working surface. Balusters – OSHA 1910. That part of §1910. ( i) Gantry cranes shall be provided with ladders or stairways extending from the ground to the footwalk or cab platform. [ref. (a) General. was unnecessarily restrictive because a guardrail system around a 3-inch hole would require a 3-foot diagonal guardrail. guardrail systems to prevent objects from falling to a lower level; (2) Erecting canopy structures and. weight 390 lbs ; APS Resource warrants this product will be free from defects and workmanship under normal use for (1) year ;This responds to your June 1, 1999, letter to the Occupational Safety and Health Administration (OSHA), requesting information on wire rope and Crosby clips used around the perimeter of buildings as a guardrail. Same with roof hatches. 23 - OSHA requires fall protection for elevator work when a fall hazard is present. 25(b)(1) Handrails, stair rail systems, and guardrail systems are provided in accordance with § 1910. For stair rail systems installed on or after January 17, 2017, the top rail and handrail must be separate. 29 (b) (1): To meet OSHA’s guardrail height requirements, the top rail needs to be 42 inches plus or minus 3 inches above the walking-working surface. GUARDRAIL SYSTEMS: 1910. Section 1910. ”Proposed Rules 69:31927-31929, (June 8, 2004). 1910. 23 Guardrail/Safety Railing Requirements for General Industry. Guardrail systems 1910. The posts and brackets are not considered as "any other object" as this term is used in 1910. 29 (f) (1) (i)) (as measured at the leading edge of the stair tread to the top surface of the rail). xml ¢ ( ÌšÍn›@ Çï•ú ˆke¯!m’VqrèÇ© ‘’>À Æ6),+vãÚoß Û [$Ø™Aà y ™ùí`þ vöêf•¥Þ “äjê ã‰ï Šò8Qó©ÿûþÛèÒ÷Œ•*–i®`ê¯Áø7×oßݯ5 ÏY+3õ ÖêOB˜h ™4ãƒrWfy‘Ië†Åh ý•s ádr. 2 m) above dangerous equipment is protected from falling into or onto the dangerous equipment by a guardrail system or a travel restraint system, unless the equipment is covered or guarded to eliminate the hazard. The posts and brackets are not considered as "any other object" as this term is used in 1910. OSHA Fact Sheet (Publication 3722), (April 2014). 29(f)(1) Handrails and stair rail systems; Height criteria, OSHA did not intend for any of the ``grandfathered'' stair rail systems that had a top rail height between 30 and 38 inches to need to be modified if the stair rail system was installed before January 17, 2017, and it complied with the previous rule. 23(e)(1) – A standard railing shall consist of top rail, intermediate rail, and posts, and shall have a vertical. EDGE Fall Protection’s roof hatch railing tackles concerns by providing an OSHA compliant hatch guardrail system around the hatch. , Labor §1910. OSHA eTool. 29) 7. 28 of OSHA’s standard on walking-working surfaces (1910. For example, in final §§ 1910. Code Compare. 22(c) CASE. Under the proposal [proposed §1910. 29(b)(13)(i)_ reads: 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 and mid-rail, or. ) What it says: 1910. 59 which refers to 1910. 23(c)(1) , Protection of Open-sided Floors, Platforms and Runways; Guardrails--Loading Rack Platforms. 1926. 501(b)(1), which provides that "[e]ach employee on a walking/working surface. Section 1910. Be sure you have checked all 10 before work begins on your job. 35 - Compliance with alternate exit-route codes. 451(d)(6)] Also see, OSHA Standards and Interpretation Letter: 06/16/1999 - Scaffolds: Lifelines, support lines, and suspension ropes cannot have a common anchor point. a worker leaves the elevated aerial lift work platform. Additional OSHA Code Detail: 1910. America's Safest Companies. 23 1 Carol J. The top edge height may exceed 45 inches (114 cm),. 25(b)(2) Vertical clearance above any stair tread to any overhead obstruction is at least 6 feet, 8 inches (203. Permanent Custom Railing and Crossover Stairs, plus Roof Hatch Railing and Lift & Lock Roof Hatch Opener. 272, Grain handling facilities. 8 m) or more above lower levels shall be protected from falling by a guardrail system, safety net system, or personal fall arrest system. 29 and a fixed guardrail system that leaves only one exposed side. 1053 (a) (1) Ladders shall be capable of supporting the following loads without failure: 1926. Safety Rail Source® partners with Kee Safety® to offer Roof Hatch Guardrail with Self-Closing Gates. Safety Rail Source® products are designed to meet or exceed all OSHA Standards. 29 (b) (3) (4) (5). 29 (b) (1): The top edge height of top rails, or equivalent guardrail system members, are 42. 23 requires that the exposed sides of openings in floors have some form of guardrail protection. Notice 1910. 28(b)(9)(iii)(B) requires that ladder sections, which have a cage or a well, have landing platforms at maximum intervals of 50. Only 33 percent of scaffolds were equipped with a guardrail. 28(b)(9)(ii)(B) requires that ladders equipped with a personal fall protection or a ladder safety system shall have rest platforms provided at maximum intervals of 150 feet (45. OSHA 1910 Occupational Safety and Health Standards. OSHA prepared the following statistical estimates (based on 4. Exceptions: For exceptions to this rule that specify different requirements, see 29 CFR 1926. 1910. Anchorage. The employer must ensure guardrail systems meet the following requirements: 1910. 23(e)(6), and the posts and brackets are not required to have a clearance of not less than 3 inches between the top rail or handrail, respectively. of force from any direction; Three sizes: 8’ Door, Est. The employer may use a designated area when performing. 30. 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. Top Rail Requirements. OSHA Compliant 29 CFR 1910. 3 - Petitions for the issuance, amendment, or repeal of a standard. Dear Mr. 1910. 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. The final rule replaces the outdated general industry scaffold standards with the requirement that employers comply with OSHA's construction scaffold standards; Phase-in of ladder safety systems or personal fall arrest systems on fixed ladders (§1910. (4) – Dockboards. Standard #. OSHA 29 CFR 1910. 08 cm) of the top, all along the rail. Scroll to Top. The top edge height may exceed 45 inches (114 cm), provided the guardrail system meets all other criteria of paragraph (b) of this section. Applicability of standards. OSHA requires companies to keep an emergency action plan ( 1910. OSHA 1910. in any direction per OSHA 1910. 29(f)(1)(ii)(B) The height of stair rail systems installed on or after January 17, 2017 is not less than 42 inches (107 cm) from the leading edge of the stair tread to the top surface of the top rail. The U. 252, General requirements. 28(b)(12) – Duty to have. 1910. Thank you for your January 19, 2017, and February 14, 2017, correspondence to the Occupational Safety and Health Administration (OSHA) regarding the final rule revising and updating the general industry Walking-Working Surfaces and Personal Protective Equipment (Fall Protection Systems) standards (29 CFR part 1910,. 67 – Vehicle-mounted elevating and rotating work platforms; 1910. 28 – Safety Requirements for Scaffolding • 1910. 1926. OSHA 1910 carefully outlines the rules and requirements regarding fall safety measures, such as guardrail systems and metal swing gates, for indoor and outdoor work on elevated surfaces. According to OSHA, “Falls are the leading cause of work-related injuries and deaths among roofers. OSHA 1910. 1910. 134 Respiratory Protection (p. OSHA 1910. 6 m) from the roof edge, the employer must ensure each employee is protected from falling by using a guardrail system, safety net system, travel restraint system, or personal fall arrest system. Please review the full code for further information. 1910. 21 (b) Ladder safety system means a system designed to eliminate or reduce the possibility of falling from a ladder. Notice 1910. In regards specifically to roof fall protection, the 1910 standard specifies for low-slope roofs that when “work is performed less than 6 feet (1. 1917. 25, Stairways; 1910. 269?from falling by a guardrail system, a safety net system, or a personal fall arrest system. 1910. Here is a list of important OSHA standards for work platforms that you may not be aware of. If the drop to the lower level is more than 4 feet, there needs to be fall protection. 1. Pursuant to §1910. 2 - Definitions. Under OSHA 1926. 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. The employer must ensure guardrail systems meet the following requirements: 1910. Handrails and the top rails of stair rail systems are capable of withstanding, without failure, a force of at least 200 pounds (890 N) applied in any downward or outward direction within 2 inches (5 cm) of any point along the top edge of the rail. 57(d)(1)(viii)An average of 126 workers (36%) died when falling from unguarded roof edges, and through roof and floor holes or skylights. Safety and Health Admin. The National Institute for Occupational Safety and Health evaluated the strength of job-built guardrail structures around an opening. (ii) Each employee is protected from tripping. force. When Does OSHA Require Guardrail? The following is an excerpt from OSHA 1910. 23 is part. With respect to Sec. Additional Resources OSHA standard: 29 CFR 1926 Subpart X— Stairways and Ladders American National Standards Institute standard: ANSI A14. S. S. Background II. 1910. Related Information: 1910 Subpart R - Special Industries 1910. 28 (b) (13) (ii) When work is performed at least 6 feet (1. 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. Federal OSHA: requires a maximum single rail length of 10 feet. Department of Labor, OSHA ensures safe working conditions for men and women through a set of enforced standards that stay at the forefront. 29(a)(3)(vii)). . OSHA requires stair landings to be at least the width of the stair and at least 30 inches in depth, measured in the direction of travel [OSHA 1910. To prevent employees from being injured from falls, employers must: Guard every floor hole into which a worker can accidentally walk (using a railing and toe-board or a floor hole cover). Figure D-12 -- Handrail Measurement. 29(b)(5) Result(s) Document Type(s) 1 : Regulations: 1 : Standard Interpretations: Display all referenced documents. 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. 2 m) or more above a lower level is protected from falling by…guardrail systemsOSHA Standard Number 1910. ( 13) Work on low-slope roofs. OSHA 1910. 28(a)(12) and §1910. 2022. Reply: §1910. SO. 535. 6. 1910. OSHA guidelines for handrails and guardrails (though OSHA refers to both as “guardrails”) are critical in reducing the risk of falls and other injuries. visit oshgov. 6 m) or less. 1910. Guardrail systems: Guardrails should be placed around edges or openings where workers could fall. 1 m) plus or minus 3 inches (8 cm) above the walking/working level. Body harness means straps which may be secured about the employee in a manner that will. Safety Rail Source® offers a wide variety of rooftop fall protection. 29(f)(1)(iii) The top rail of a stair rail system may serve as a handrail only when: 1910. 23, Ladders; 1910. 140 (d)1910. 8 m) or more above a lower level shall be protected from falling by the use of guardrail systems, safety net systems, or personal fall arrest systems. PK !Ù_¬à . Steel Erection. • Shall stop the fallOSHA – 29CFR 1910 Subpart D – Walking-Working Surfaces . 3 October 30, 1978. 500 NOTICE: This is an OSHA Archive Document, and may no longer represent OSHA Policy. 23(c)(1) as it relates to guardrails on loading rack platforms. 5 inches (24 cm); ( 3) Have a minimum tread depth of 9. Department of Labor. 24(c). 29 and a removable guardrail system on all exposed sides, except at the entrance to the stairway. If you need further assistance, please contact [the Office of General Industry Enforcement at (202) 693-1850]. 1910. Watertown, SD 57201-3624. 1926. The purpose of this exemption was to grandfather in guardrails installed prior to OSHA's adoption of the existing 42-inch requirement for guardrail height (see the. (i) Midrails, when used, shall be installed at a height midway between the top edge. If you have further concerns or questions, please feel free to contact us again by fax at: U. 23 (a) (2): Every ladderway floor opening or platform shall be guarded by a standard railing with standard toeboard on all exposed sides (except at entrance to opening), with the passage through the railing either provided with a. 500 (a) (2) or in § 1926. 451(g) or 29 CFR 1910. 2 m) or higher off of the ground must have personal fall protection systems in place,. Regulations. 1910. 29 (b) (1): The top edge height of top rails, or equivalent guardrail system members, is 107. Nose, nosing: that portion of a tread projecting beyond the face of the riser immediately below. Additionally, the new rule states that openings between top and midrail. As required by §§ 1910. 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. Safety Rail Source. 23(e)(1)]Note: The rail must consist of a top rail at a height of 42 inches and a midrail at approximately 21 inches. Accordingly, proposed paragraph 1910. 502(b). OSHA also refers to handrails, stair rails, midrails and top rails. 28) It is the employer’s responsibility to provide some sort of protection to workers against falls. OSHA requires varying industries, mentioned earlier, to meet specific standards. 1060 10 Hazard Communication 1926. 23 (e) (2), you are in compliance with §1910. 29 and a fixed guardrail system that leaves only one exposed side", as described in 29 CFR 1910. 4 - Amendments to this part. Innovative Conveyor Crossovers for an Innovative Electric Auto Manufacturer. 23 (b) General requirements for all ladders. In accordance with §1910. 29 (b) (3) (4) (5). 261 (a) (2) Standards incorporated by reference. Figure D-13 - Combination Handrail and Stair Rail. We will now cover some additional areas. 6 m) but less than 15 feet (4. It is important to keep in mind that if a rooftop is as little as 4 feet above. 16. Guardrail systems must be capable of withstanding at least 200 pounds of force applied within 2 inches of the top edge, in any direction and at any point along the edge, and without causing the top edge of the guardrail to deflect downward to a height less than 39 inches above the walking/working level. 1910. 29 (b) (1): To meet OSHA’s guardrail height requirements, the top rail needs to be 42 inches plus or minus 3 inches above the walking-working surface. Haydl: This is in response to your letter of June 24, 2004 regarding the Occupational Safety and Health Administration (OSHA) standards for heights for stair rails and handrails and corresponding building code requirements. OSHA. Under 1910. OSHA - General Industry 29 CFR 1910. 2 m) or more above a lower level is protected by a guardrail or. 451(g)(4. 8: 0000000: 000000000: 8'7" 5: Painted Steel: Black:. The attachment point may be located in the pre-sternal position if the free fall distance is limited to 2 feet (0. Where system repairs would compromise the design intent, the space would have to be reevaluated per 1910. 28 and 1910. OSHA; Standards; Enforcement; Topics; Media Center; Contact Us; U. The criteria and practices requirements for guardrail systems on scaffolds are contained in 29 CFR part 1926, subpart L. 48 (a) (1) Danger zones at or adjacent to conveyors shall be guarded to protect employees. TO: REGIONAL ADMINISTRATORS - OSHA. 140, OSHA adopts the flexible approach to providing fall protection systems that the construction standard codified in 1994. Stair rail or stair rail system. 6 m) from the roof edge, the employer must ensure each. 23(e)(1), which otherwise requires a nominal vertical height of 42 inches. KeeGuard ® Rooftop Railing was invented by Kee Safety decades ago and is installed on rooftops around the world. 1. OSHA PROGRAM DIRECTIVE #100-58. 1928. This engineered fall-protection system ranks high in OSHA’s hierarchy of controls when addressing fall. For more information, visit or call OSHA at 1-800-321-OSHA (6742), TTY 1-877-889-5627. 28(b)(3)). 5 - Applicability of standards. These letters provide guidance to clarify the application of an established OSHA standard, policy, or. S. meets the criteria in §1910. Department of Labor. The employer must ensure each. 29(b)(1) 1910. The standards prescribed by part 1915 (formerly parts 1501-1503) of this title and in effect on April 28, 1971 (as revised), are adopted as occupational safety or health standards under section 6 (a) of the Act and shall apply, according to. As a final consideration, know that climbing the scaffolding. The top rail rail must be able to withstand 200 pounds of force in the downward and outward directions. 07 m), with a tolerance of plus or minus 3 inches (7. (c) Safety net systems. S-206] Safety Standards for Fall Protection in the Construction Industry. Thank you for your inquiry. 29(b)), and. Occupational Safety and Health Administration 200 Constitution Ave NW Washington, DC 20210 1-800. 28 (b) (1) Unprotected sides and edges. 28(c)(2)(iv)], a stair rail may also serve as a handrail if its height is not more than 37 inches nor less than 36 inches. 6 m) above a lower level shall be protected from fall hazards by guardrail systems, safety net systems, personal fall arrest systems, positioning device systems or. 28(b)(5)(i): The employer must ensure each employee on a runway or similar walkway is protected from falling 4 feet (1. 17 (d) (1) While dockboards or carplates are in position; or. OSHA 1910. A catwalk handrail or guardrail system is required for any catwalks higher than 4′ above a lower level. 29 tread to the top surface of the handrail (see Figure D–12 of. (e) Employee training considerations. The minimum factor of safety shall be 10, and shall be calculated. As defined by OSHA: A “serious” violation is “one in which there is a substantial probability that death or serious physical harm could result, and the employer knew or should have known of the hazard. • Maximum arresting force of 1,800 lbs. 1052 (c) (3) The height of stairrails shall be as follows: 1926. 67(c)(2)(v) requiring the use of a body belt and lanyard to restrain personnel from climbing or leaning over the guardrail?. 1052 (c) (3) (i)1910. 1: What Are OSHA’s General Requirements? Simply put, OSHA requires that, when a machine in the workplace or any part of it or process that it performs may cause injury, it must be made safe for workers through guarding. [IBC 1011. TOTAL VIOLATIONS. 1 m) plus or minus 3 inches (8 cm) above the walking/working level. In addition, be aware that ladders are also require on scaffolding. 501 (b) (1) through (b) (14), each employee on a walking/working surface 6 feet (1. 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. (1) When the employer uses a designated area, the employer must ensure: (i) Employees remain within the designated area while work operations are underway; and (ii) The perimeter of the. Some of the ladder sections are less than 24 feet in length. 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. Sets forth safety requirements for areas where danger exists of persons or objects falling through floor or wall openings, platforms, runways, ramps, and fixed stairs, in. 1910. OSHA 1910. For the reasons set forth in the preamble, OSHA amends part 1910 of title 29 of the Code of Federal Regulations as follows: Start Part PART 1910—OCCUPATIONAL SAFETY AND HEALTH STANDARDS Subpart D—Walking-Working Surfaces End Part Start Amendment Part. This standard states that yellow shall be the basic color for designating caution and for marking physical hazards such as: striking against, stumbling, falling, tripping and "caught in between. 1910. Purpose and scope. Each employee in aOSHA says that the guardrail you use should be 42” in height, with a mid-rail at the halfway point. These ladders must meet the requirements of §1910. ( c) Safety net systems. S-041); 1990 proposed rule on Personal Protective Equipment--Fall Protection--Docket No. 29(b)(4) When the 200-pound (890-N) test load is applied in a downward direction, the top rail of the guardrailHarwood Grant SH-16625-07 2 Definitions used in 1910. Response: 29 CFR 1910. ( 4) Have a minimum width of 22 inches (56 cm) between vertical. OSHA; Standards; Enforcement; Topics; Media Center; Contact Us; U. weight 370 lbs ; 9’ Door, Est. 28 (b) that covers the responsibility for fall protection on working and walking surfaces. GUARDRAIL SYSTEMS: 1910. 1200 Source: NAICS. 72 kg) applied within 2 inches (5. 1917. The IBC and OSHA Guardrail Requirements. These letters provide guidance to clarify the application of an established OSHA standard, policy, or. 1926. Please note that in view of a decision of the Occupational Safety and Health Review. Department of Labor, OSHA, Directorate of Construction, [Office of Construction Standards and Guidance], fax # 202-693-1689. A secured designated area in lieu of conventional fall protection is acceptable as long as the work is both “infrequent and temporary”OSHA 1910. Unless stated otherwise, the employer must ensure that all fall protection and falling object protection required by this section meet the criteria in § 1910. The agency has received numerous questions asking when handrails are required, and about the height requirements for handrails on stairs and stair rail systems. 29 (b): "Fall protection systems and falling object protection -- criteria and practices. OSHA patterns many of its guardrail system regulations around construction or general industry applications. 29(b) has an entire section devoted solely to the guardrail system. Result(s) Document Type(s) 8 : Federal Register: 1 : Regulations: 16. The rail’s height. 1910. rail integrated toeboard, safety yellow: 409271S: 5. 23 (a) (1) Used in emergency operations such as firefighting, rescue, and tactical law enforcement operations, or training for these operations; or. 29(b)(3) Guardrail systems are capable of withstanding, without failure, a force of at least 200 pounds (890 N) applied in a downward or outward direction within 2 inches (5 cm) of the top edge, at any point along the top rail. Scroll to Top. 29(b) Guardrail systems. 1910. (d) Designated areas. They need to be able to withstand a force of at least 200 pounds (90. The program shall enable each employee to recognize the hazards of falling and shall train each employee in the procedures to be followed in order to minimize these hazards. • Maximum free fall distance of 6 feet. OSHA's standards contain requirements for NRTL product testing and certification for 39 product types. 30. [Note: for this section, the criteria and practices requirements for guardrail systems on scaffolds are contained in 29 CFR part 1926, Subpart L or 29 CFR 1915. 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. To protect the work surface from scuffs and scratches, use nonskid pads. 8. 1910. 1926. Whenever a guard or shield or guarding by location is infeasible, by using a guardrail or fence. OSHA 1910. Here are some basic pieces of information to bear in mind when constructing a handrail to comply with OSHA Standards. Anchorage. 77) 6. 1910. 28(b)(3)(v): “Each employee is protected from falling through a hatchway and chute-floor hole by: a hinged floor-hole cover that meets the criteria in 29 CFR 1910. OSHA considers this scenario a violation of 29 CFR 1926. They need to be able to withstand a force of at least 200 pounds (90. S. The requirement for the top rail is 42-inches, plus or minus 3-inches. See 55 Federal Register 13360 (April 10, 1990) and 68 Federal Register 23568 (May 2, 2003 . 1926. 30 and 1910. 29(g)(4)), have an acceptable guardrail system (29 CFR § 1910. 29(b) Guardrail system strength • Guardrail systems must be capable of withstanding, without failure, a force of at least 200 pounds applied in a downward or outward direction at any point within two inches of the top edge of the top rail. 28 (b) (3) (iv): Each employee is protected from falling into a ladderway floor hole or ladderway platform hole by a guardrail system and toeboards erected on all exposed sides, except at the entrance to the hole, where a self-closing gate or an offset must be used. 2 m) or more above a lower level by one or more of the following: (A) Covers; (B) Guardrail systems; (C) Travel restraint systems; or (D) Personal fall arrest systems. The panels work with the SkyCage Post (#70810) and meets OSHA 1926 and 1910 standards. 29, except that personal fall protection systems required by this. 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. 23(e)(1)] The intermediate (middle) rail should be located in the middle of the upright creating equal space between the floor and the top rail. [29 CFR 1926. OSHA also references documents in the following dockets, which the Agency incorporates by reference into this rulemaking: 1990 proposed rule on Walking and Working Surfaces (29 CFR 1910, subpart D)--Docket No. 6 m) from the roof edge, the employer must ensure each employee is protected from falling by using a guardrail system, safety net system, travel restraint system, or personal fall arrest system. Guardrail systems and their use shall comply with the following provisions: (b)(1) Top edge height of top rails, or equivalent guardrail system members, shall be 42 inches (1. This section stipulates, in full detail, how guardrails and other safety barriers should be designed, installed, inspected, tested, and maintained in a manner that will prevent employees from falling.