A stairway, ladder, ramp or other safe means of egress shall be located in trench excavations that are 4 feet (1. They can also be a big help from a business standpoint. Two- to three-inch-thick flagstone pieces will be sturdy enough to hold up to foot traffic. OSHA prepared the following statistical estimates (based on 4. Except where required to meet the accessibility requirements in accordance with Section 307. 11009 or 57. 4. OSHA publishes a final rule on WWS and PPE in November 2016 that updated requirements for slips, trip and fall hazards. (Title 24, Part 2, Section 2-3306 (a) without "Note. OSHA standards can be found at For a detailed explanation of OSHA jurisdiction, see OSHA Instruction CPL 02-01-047, OSHA Authority Over Vessels and Facilities on or Adjacent to U. The control zone and safety monitor systems are not to be employed on roofs steeper than 4 vertical to 12. OSHA, ANSI and ADA Regulations for Walkways and Surface. , 1:12). The rooftop walkway is OSHA. The technical requirements for trails, picnic and camping facilities, viewing areas, and beach access routes are in chapter 10 of the ABA Standards. Cross slope cannot exceed 7°. g. g. step down on the interior, and up to two steps down to the landing on the exterior (regardless of which way the door swings, it can only swing over one step). ADA leaves the size of the drop off to the. Step 1 – Determine the level of your slope by using a laser level or water level. As the wheelchair moves forward, it then tips onto both front casters and one rear wheel. Abrupt changes in elevation at the top or bottom should be avoided. Mr. The main safety feature of a catwalk on prevent falling objects is a toe board. Wee clear up the issue in this detailed piece. Ensure the landing area is at least 1. This eTool* specifically provides information on OSHA's Powered Industrial Truck requirements [ 29 CFR 1910. 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. Here, a collection of shrubs clusters along one side of the walkway, eliminating the need for edging. If sidewalks are less than 60 inches (5 feet) wide, passing spaces must be constructed every 200 feet. The walkway is used as access for exterior doors on the elevated level. 6Kn and held for a minute. To calculate the ADA-required ramp length, multiply the vertical rise (10. Changes in level above a ½″ must be treated as a ramp or curb ramp (or a walkway if a slope no steeper than 1:20 can be achieved). Pedestrian access, accommodation, and safety should be given full consideration during all project planning, scoping, and design. 3. of a curb will be placed adjacent to the curb and be a minimum of 6 ft. If you need additional information, please contact us by fax at: U. 501(b)(6). 451 (e) (5) (iii) - If the slope of a ramp or a walkway is steeper than one (1) vertical in eight (8) horizontal, the ramp or walkway shall have cleats not more than. Side. Failure to provide adequate slope can lead to wet and damaged foundations, deterioration of the driveway and walkway, and low spots where water collects. 7An overlay may be matched to the existing cross-slope unless the safety assessment report indicates otherwise. High-gravity (serious) violation penalties are $14,502. For fixed barriers, a 39-inch height would be acceptable. These specifications apply to all portions of accessible routes, including thresholds and carpet trim. In rural areas or on. OSHA, ANSI and ADA Regulations for Walkways and Surface. A driveway on a slope can be made with the same surface materials that any other driveway is made of. Excavating is recognized as one of the most hazardous construction operations. Occupational Safety and Health Administration 200 Constitution Ave NW Washington, DC 20210 1-800-321-OSHA 1-800-321-6742. Keep areas around light switches clear and accessible. ). 1 Doors. A 20 Fire Extinguishers - Fire extinguishers are accessible, signed, and correctly located, with operating instructions and current inspection tags. 1910. Understanding the Workplace. This is key for retractable barriers, which are often used at loading docks that. • The presence of traffic or a body of water at the bottom of a slope adjacent to a pedestrian path. Therefore, the commander of the fire evacuation could roughly evaluate the physical. 2. Slip resistance of walkways. Excavations beyond the projected levee slopes but still within the critical area, should meet Federal, State and local criteria, COE safety manual and OSHA criteria. OSHA clearance requirements regulate the amount of empty space that must be left around ladders in workplaces. A modular roof walkway system that’s easy to install and designed to meet and exceed all OSHA regulations. (See 1926. 502(b)). 23 (a) (1) Used in emergency operations such as firefighting, rescue, and tactical law enforcement operations, or training for these operations; or. Look at local requirements to see what your municipality allows. The area next to the building should slope slightlyThe initial question in this article is one such myth. 3% slope. If a gangway is not practicable, a straight ladder meeting the requirements of 1918. It is sometimes referred to as a "ship's ladder. Bost: Thank you for your correspondence to the Occupational Safety and Health Administration (OSHA) for a clarification of OSHA’s Electric power generation, transmission, and distribution standard, 29 CFR 1910. The forklift safety guidelines apply to all employers across the United States with forklifts in their premises. The Occupational Safety and Health Administration (OSHA) has issued massive revisions to its regulations requiring most employers to protect employees from slip and fall hazards in most workplace contexts. Minimum safety guidelines for walkway safety are enforced under OSHA and ADA. [29 CFR 1926. 451(e)(5)(iii)]Reply: In redesignating §1910. Type A soil requires 3 feet horizontal to 4 feet vertical (3/4:1). As a general rule, you'll need aisles. The engineer is responsible for s t ru c t u ral design that keeps short -Route Cross Slope. 1 This document is intended to provide basic safety guidelines related to working on hazardous terrain, especially that of steep slopes (e. Multiply this number by 100 and you have the percentage slope. 24 that extends at least 36 inches (. In addition to OSHA,Changes in level can be up to ¼” without treatment or ½” if beveled with a slope no steeper than 1:2. When properly installed at a 1:12 slope, this ramp will allow access to a threshold 30 inches above ground. OSHA 1910. Van accessible spaces must (pick option #1 or #2) Option #1. Preventing slips is an effective way to prevent falls. To examine some of the common myths and misconceptions, this article. Gravel is one of the more troublesome surfaces for a driveway on a slope due to the loose nature of. Steeper slopes may require additional reinforcements or terracing to ensure stability. All other simple slope, compound slope, and vertically sided lower portion excavations shall be in accordance with the other options permitted under § 1926. Consider the slope ratio requirement your local regulations demand. (On a curb ramp, the cross slope is the slope perpendicular to [across] the direction of pedestrian travel on the ramp run. ] Walkway is defined by §1926. The climbing side of the ladder should have at least 36 inches from the center of the rungs for a slope of 76. About 1/4" per foot is good. This is the first OSHA requirement to be aware of. A warning line system and a safety monitoring system. 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. Because interpreta-tions and enforcement policy may change over time, you should. Next, determine if these standards are the proper standards to follow. Steeper slopes pose greater safety risk to motor vehicles traveling across or down them. 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. 651, and 29 CFR 1926. gov; Coronavirus Resources; Disaster Recovery Assistance; DisasterAssistance. OSHA allows the use of an effective fall restraint system in lieu of a personal fall arrest system. 23 (a) (2) Designed into or is an integral part of machines or equipment. Cross Slope - The grade that is perpendicular to the dominant direction of pedestrian travel. Restricting the slope to between 3° and 10° in the direction of travel is the preferred method as this reduces the risk of slips and trips. Detectable warning elements must extend the full width of the ramp. The directive provides guidance and inspection procedures for the enforcement of the standard. 20 reference language. Please review the full code for further information. 0) sets rules for measuring walkway slip resist; OSHA - (Dept of Labor CFR 1910. 17 (d) (1) While dockboards or carplates are in position; or. As a practical matter, DCOF reflects the phase in a slip that is too late for prevention – you are already slipping! SCOF is always greater than DCOF, and a measurement of one does not relate to the other – there is no linear relationship. To calculate the ADA-required ramp length, multiply the vertical rise (10. HEIGHT CLEARANCE minimum 6’6” clearance from nose of tread to overhead obstruction. For example, suppose the vertical rise is 10”. Aisle markings are no exception. Walking surfaces must have running slopes not steeper than 1:20, see 403. 1. Let’s breakdown these standards so a clear picture emerges. SIMPLE SLOPE--GENERAL. 08%) slope in all directions. Although the maximum running slope of a ramp in new construction is 1V:12H (8. If any obstruction within 18″ of the latch side projects more than 8″ from the face of a door or gate, maneuvering clearances for a forward approach must be provided. Section 18(b) of The Occupational Safety and Health Act of 1970, P. Slip prevention on a walkway surface requires safety SCOF values to be well above the. 553. Refrigerated trucks are 50 to 60 inches. The hill, ridge or escarpment is 60 feet (18 288 mm) or greater in height for Exposure B, 30 feet (9144 mm) or greater in height for Exposure C, and 15 feet (4572 mm) or greater in height for Exposure D. Occupational Safety and Health Administration 200 Constitution Ave NW Washington, DC 20210 1-800-321-OSHA 1-800-321-6742. For commercial ramps used for public spaces, 1:12 degrees of the slope is recommended. 96 in wet conditions. James Sharpe Consolidated Engineers Services 2345 Crystal Drive Suite 1000 Arlington, Virginia 22202. Keep poorly lit walkways clear of clutter and obstructions. All State and local agencies are encouraged to consider providing and maintaining paved shoulders or walkways along both sides of streets and highways in urban areas, particularly near school zones and transit locations, and where there is frequent pedestrian activity. 9. News and Events; Contact; Home;Occupational Safety and Health Administration, Department of Labor. Typically, catwalks function as aisles or walkways that allow access within the confines of an industrial building or a warehouse. Roof safety walkway systems are an integral part of a safe environment when working at heights. OSHA uses the term "permit-required confined space. S-052] RIN 1218-AB55. Our main objective is to determine the. 6(3)(a) if space limitations prohibit the use of a 1:12 slope or less. AN point board, plus called adenine kickplate, is a vertical projection free the walking surface around the edges of the walkway. 501 (b) (1) Unprotected sides and edges. Temporary Pedestrian Access Routes HandbookAs most people are aware, OSHA has recently updated the 1910. KeeGuard is one of the only 3rd-party tested fall protection guardrail systems available. Excavation utilizing sheeting and bracing in lieu of open cut, requires a design analysis for the excavation support system. as a footwalk along shafting or a walkway between buildings. 6. Walkways are available from 4-ft to 10-ft and bridges are available. Doors provided for egress purposes in numbers greater than required by this code shall meet the requirements of this section. 29 (b) (1): The top edge height of top rails, or equivalent guardrail system members, is 107. The employer must ensure each safety net system meets the requirements in 29 CFR part 1926, subpart M. According to Slip, Trip, and Fall Prevention by Steven Di Pilla. 1. Cross slope requirements apply to all sidewalks and walkways, street crossings, and at-grade railroad crossings, as well as pedestrian overpasses and underpasses and similar structures. OSHA Guardrail Requirements: Height and Strength. An OSHA-approved state plan must have safety and health requirements at least as effective as those of Federal OSHA and must adopt comparable stateCurb ramps should meet the same general thresholds for repair as sidewalks. First, determine if the roof is a “low-slope roof,” defined as a slope of 4:12 or less. 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. 272 OSHA’s proposed new rule will require that: a. Falls from heights and on the same level (a working surface) are among the leading causes of serious work-related injuries and deaths. 1. In addition to the influence on pedestrian safety, ramp also influence the walking comfort and efficiency of pedestrians in our daily lives. Doors serving a means of egress system shall meet the requirements of this section and Section 1022. These specifications apply to all portions of accessible routes, including thresholds and carpet trim. 33 percent (1:12) or less. 451(e)(5)(iii) If the slope of a ramp or a walkway is steeper than one (1) vertical in eight (8) horizontal, the ramp or walkway shall have cleats not more than fourteen (14) inches (35 cm) apart which are. In addition, OSHA requires that fall protection be provided when working over dangerous equipment and machinery, regardless of the fall distance. While safety should always be a top priority when operating a mower, extra precautions should be taken when mowing on a slope. Ramp Width. 8 m) or more above lower levels shall be protected from falling by a guardrail system, safety net system, or personal fall arrest system. Confined spaces include, but are not limited to, tanks, vessels, silos, storage bins, hoppers, vaults, pits, manholes, tunnels, equipment housings, ductwork, pipelines, etc. gov; Coronavirus Resources; Disaster Recovery Assistance; DisasterAssistance. 81(b)(1)(iv)(D). , 1:12). OSHA 1910. 28(b)(13) Work on low-slope roofs and 1910. Here is a list of important OSHA standards for work platforms that you may not be aware of. §3232. OSHA defines low slope roofs as those having a vertical rise to horizontal run ratio of 4:12 or less. The ADA ramp slope must be no steeper than 1:12 (1 inch of vertical rise to 12 inches of ramp length. 451(e)(5)(ii)] If a ramp or walkway has a slope of more than 1:8, it must have cleats securely fastened to the planks not more than 14 inches apart, to provide footing. Beth Strella. Whether you're just marking the edges of your aisles or you. The defined walkway will consist of a paved area 4 ft. Specific aisle requirements are made for industrial aisles. [Federal Register Volume 81, Number 223 (Friday, November 18, 2016)] [Rules and Regulations] [Pages 82494-83006] From the Federal Register Online via the Government Publishing Office [[FR Doc No: 2016-24557] Vol. Never exceed a twelve foot span (maximum) without bracing. I have reviewed the construction drawings, and the walkways are shown as being flat. 3. Because interpreta-tions and enforcement policy may change over time, you should consult. [29 CFR 1910. Walkways are defined as having a grade between 1:20 to 1:33. 1- 2000 Safety Code for Elevators and Escalators,. 2 and 403. Curb ramps should meet the same general thresholds for repair as sidewalks. Safety factor: A safety factor is an additional distance added to the total fall clearance distance to ensure there is enough clearance between the worker and the lower level after a fall. The load is then to be increased to 2. g. Objects with leading edges 27″ maximum or. , LL. Except as provided in § 1926. the structural floor to an existing pedestrian accessible route; and implementing sufficient measures to ensure the safety and welfare of the pedestrian(s) traversing the site. If the slope of a ramp or a walkway is steeper than one (1) vertical in eight (8) horizontal, the ramp or walkway shall have cleats not. 56% cross slope. 501 (b) (1) Unprotected sides and edges. Authority:. OregonOSHA Salem Central Office 350 Winter St. Enclosed spaces attached or immediately adjacent to the bleacher-type seating comprise, in theThe ADA requires that all business and public use wheelchair ramps adhere to a 1:12 slope ratio, meaning that for every inch of vertical rise there must be 12 horizontal inches (one foot) of ramp. Kee Walk can be used on used on flat, barrel and sloping roofs and is designed to provide a level walking surface for slopes up to 35 degrees. That fall protection could include guardrails, safety net. It also includes examples of ADA-compliant sidewalk features and links. OSHA 1910. o On stairways more than 44 inches wide but less than 88 inches wide, one handrail on each enclosed side and one stair railing on each open side. include curbs, steep slopes, obstacles within the path (poles, etc. It also includes examples of ADA-compliant sidewalk features and links to other relevant resources. g. [Federal Register Volume 81, Number 223 (Friday, November 18, 2016)] [Rules and Regulations] [Pages 82494-83006] From the Federal Register Online via the Government Publishing Office [[FR Doc No: 2016-24557] Vol. If a curb ramp is located where pedestrians must walk across the ramp, the ramp must have flared sides of no more than 1:10 (10 percent) slope. g. 33%. An effective housekeeping program (including floorcare) is needed. Any working surface 4 feet or higher must be protected with guardrails on all sides at least 42" tall and have to withstand 200 pounds of force. Figure 8 Always provide drainage for recessed parking areas. 1 small quibble: hiking near the water, if it was possible, would still put you at risk of rocks that came bounding down from the scree and they could be moving pretty quickly by the time they got down there. if the slope is more than 20 degrees to the horizontal or if employees could fall more than four feet (1Slope [§405. OSHA 1910. 25 (b) (1) Handrails, stair rail systems, and guardrail systems are provided in accordance with § 1910. All simple slope excavations 20 feet or less in depth shall have a maximum allowable slope of 1:1. Slope [§405. If the mower is wheeled, a differential locking option can provide the added traction. Steep slopes may cause loads to topple. 1. 2. Authority:. Information barriers restrict an individual's use of information contained in the pedestrian environment. 1 Safety Standard for Conveyors and Related Equipment. 0 ACTIVITY DESCRIPTION 1. 3 WidthOccupational Safety and Health Administration 200 Constitution Ave NW Washington, DC 20210 1-800-321-OSHA 1-800-321-6742 Federal Government White House; Benefits. 146 - Permit-Required Confined Spaces (PRCS) standard to your workplace that is a multi-family residential and commercial building. 610 m (2 ft) could create a safety hazard. 451(e)(5)(ii) - "No ramp or walkway shall be inclined more than a slope of one vertical to three horizontal (20 degrees above the horizontal). The rule allows employers to use non-conventional fall protection practices in certain situations, such as designated areas on low-slope roofs for work that is temporary and infrequent and fall protection plans on residential roofs when employers can demonstrate guardrail, safety net, or personal fall protection systems are not feasible or. The average slope of the top half of the hill, ridge or escarpment is 10 percent or greater. 28(b)(13)-Work on low-slope roofs. The applicable standards are 1910. Pay attention to track position – When working on a hill, the tracks should be positioned straight up and down the slope. rise is not acceptable. When engaged in roofing work on low-slope roofs 50 feet or less in width, the use of a safety monitoring system without a warning line system is permitted. Kee Walk ® Guarded Walkway;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. General rules for ramps and runways: Keep them free from job junk (debris). These can help workers to deposit or remove goods and inventory from steel shelves or rivet racks. gov Walking-Working Surfaces: Designated areas What is a designated area? When employees work on a low-slope roof, a non-traditional type of fall protection (the designated Guardrail systems. 21 Scope and definitions. 164 • Grain Handling - 1910. Step sections are adjustable and can be used on sloped roofs too. This can be done by hand or with the help of a machine. 083 x 100 = an 8. Some central safety considerations ASTM F1637-21 covers are illumination, possible changes in walkway levels, and mats and runners on walkways. OSHA’s guidelines for forklift ramp safety are related to speed and maintaining a slow, controlled ascent or descent on the ramp. 8 degree angle slope. On 2023-01-26 by InspectApedia Publisher (mod) - guardrail safety around swimming pool walkways. Good call on un-safety. Advisory 402. Compliant to EN 14122-3. Dear Mr. The main safety feature of a catwalk on prevent falling objects is a toe board. For Landscape and Horticultural Services, use NAICS code 561730 in the NAICS search box. Often, when it is overcast or dark outside, it can be hard to see a walkway. 23 (e) (3) (iv), the anchoring of posts and framing of members for railings of all types. 28(b)(13) Work on low-slope roofs and 1910. , 1:12). Sidewalks also require sufficient storageRamp Width. Advisory 402. Standard Specifications. Ramps that measure more than 6 feet above lower levels (areas below the level at which a worker is working and could fall) should be equipped with guardrail systems. The average slope of the top half of the hill, ridge or escarpment is 10 percent or greater. " 7 Widening paved shoulders also provide numerous safety benefits for motorists as well as benefits for pedestrians including: Reducing numerous crash types 8. Under §1910. Determine the angle and degree of the slope, as this will impact the design and layout of your walkway. The ideal angle, however, is only 3°. Occupational Safety and Health Administration 200 Constitution Ave NW Washington, DC 20210 1-800-321. 29 CFR 1915. AFR 88-16 (superseded by current ETL 04-2) Interested in learning more, contact Laure Majors at busdev@fsb-ae. Sloping and benching proportions should match the soil type. The radius of curvature at the nosing or leading edge of treads shall not exceed 9/16 inch. The slope is particularly important, as it affects other factors such as the ramp’s layout, accessibility, and construction cost. Section 5. 1926. 2. The ADA ramp slope must be no steeper than 1:12 (1 inch of vertical rise to 12 inches of ramp length. 851 (c) In a multistory building, when a stairwell is being used, it shall be properly illuminated by either natural or artificial means, and completely. Walking surfaces must have running slopes not steeper than 1:20, see 403. Provide suitable traction. 1. systems to respond to higher standards of safety, health, and environmental protection as well as population growth. 2931. Simple Slope . 3-1). 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. • Low-slope roof means a roof that has a slope less than or equal to a . Table 2. 1926. As you may be aware, in April 10, 1990, OSHA published a notice of proposed rulemaking (NPRM) to revise its General Industry safety standard for walking and working surfaces of completed buildings (29 CFR 1910, "Walking and Working Surfaces and Personal Protective Equipment (Fall Protection Systems; Notice of Proposed. 642. (a) Platforms and walkways: Section 3. 25(b)(3) Landings - Curb ramps: A minimum 5 ft. 501 (b) (1) through (b) (14), each employee on a walking/working surface 6 feet (1. (Title 24, Part 2, Section 2-3306(b)(1). 15005 or 57. reasonably raise themselves. level landing with a minimum of 1% and no more than 2. Handrails shall be at a consistent height above walking surfaces, stair nosings, and ramp surfaces. 1. the Construction Sites (Safety) (Amendment) Regulations (CSSR(A)). It also can be expressed as a percentage, pitch, or in. The area shall be permanently maintained and identified as a safe dispersal area. Sloping Walkway: Cannot exceed 20° in the direction of travel. Conveyor systems shall be equipped with an audible warning signal to be sounded immediately before. 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. 20 reference language. EXCEPTION: The clear width shall be permitted to be reduced to 32 inches (815 mm) minimum for a length of 24 inches. A full range of rooftop guardrails and safety rails that provide perimeter fall protection. Cross slope of ramp runs: Maximum 1:48. The following checklist can be used as a method of minimizing slip, trip and fall incidents using readily available resources as defined by OSHA under General Requirements for Walking-Working Surfaces 1910 Subpart D (1910. 91-596, encourages states to develop and operate, under OSHA guidance, their own job safety and health plans. To this end, permission is granted to use such copyrighted material solely for non-commercial, instructional. 5 million construction workers then covered by subpart L) to support the 1986 proposal for subpart L, based on a review of accident data prepared by the Bureau of Labor Statistics (BLS) (Ex. Here is a list of five current OSHA standards for work platforms that you may not be aware of. 1 This document is intended to provide basic safety guidelines related to working on hazardous terrain, especially that of steep slopes (e. S. 28(b)(13)-Work on low-slope roofs. Each employee engaged in roofing activities on low-slope roofs, with unprotected sides and edges six feet or more above lower levels, shall be protected from falling by guardrail systems, safety net systems, and personal fall arrest systems, or a combination of a warning line system and guardrail system, warning line system and safety net system,. The minimum width for an ADA-compliant sidewalk is 36 inches (3 feet), though sidewalks can be constructed wider than this. 1926. Partner Portal +1 (800) 851-5181. b. Earlier this year, OSHA introduced a new walking and working surfaces standard for general industry, which can be found in Subpart D of 29 CFR 1910. This webpage provides an overview of the Americans with Disabilities Act (ADA) and its implications for designing accessible sidewalks and pedestrian facilities. This means the ramp must be built at least 42 inches wide to allow for the 1-1/2-inch spacing between the handrail and any surface and the actual 1-1/2-inch handrail. SIMPLE SLOPE--SHORT TERM. Low Slope Roofs . This is despite a number of trench and excavation failures that go unreported. NE Salem, OR 97301-3882 Phone: 503-378-3272 Toll-free: 800-922-2689 Fax: 503-947-7461 FACT SHEET osha. Stair tread slope (out of level on walking surface) - (slope or "rise" must be <= 1 in 48)-- Source: IRC. 2. 28 (b) (13) walking-working surface standard. ") (b) Width. If you are building a ramp at home, the maximum ramp slope is 3:12 rise in inches and 15-degree angle allowable slope. Ramps with a minimum width of eighteen (18) inches may have only one guardrail. 22 (b) Loads. Occupational Safety and Health Act of 1970 “To assure safe and healthful working conditions for working men and women; by authorizing enforcement of the standards developed under the Act; by. 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. 451(e)(5)(ii)– “No ramp or walkway shall be inclined more than a slope of one vertical to three horizontal (20 degrees above the horizontal). OSHA issued a compliance directive for its excavation standard on July 1, 2021. 0% maximum) to meet ADA standards. Aluminum roof access walkways for safety are often a key part of creating a safe environment for people working at heights. When scaffold platforms are more than 24 inches (61 cm) above or below a point of access, ladders, ramps, walkways, or similar surfaces must be used. The scoping and technical requirements are minimum requirements. Other components of accessible routes, such as ramps (405) and curb ramps (406), are permitted to be more steeply sloped.