(4 in 12 pitch or less). It is clear that — by OSHA mandate — every employer will be required to designate a qualified person to inspect their walkways to ensure they are in. Walkways that traverse a slope: When a walkway is positioned across a slope, as opposed to along it, the maximum permitted incline is 7°. So, if the low-slope roof is to be accessed for some kind of maintenance work (not. Except where required to meet the accessibility requirements in accordance with Section 307. include curbs, steep slopes, obstacles within the path (poles, etc. 29 (b) that covers the responsibility for fall protection on working and walking surfaces. Falls from heights and on the same level (a working surface) are among the leading causes of serious work-related injuries and deaths. S-052] RIN 1218-AB55. Next, decide on the design of your walkway. 2 Components. com or call her direct at 405. Install a 1% slope (1/8. The climbing side of the ladder should have at least 36 inches from the center of the rungs for a slope of 76. L. 500(b)—definitions). 7] The ramp, or ramp run, must be at least 36 inches wide, not including the flared sides. 22 (b) Loads. Part 4 Compensation to Injured Workers and Their Dependants. 1926. The profile grade and pivot point are generally located at the pavement crown. - 4. This eTool* specifically provides information on OSHA's Powered Industrial Truck requirements [ 29 CFR 1910. 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 securely fastened to the planks to provide footing. Changes in level (height) Slope requirements; 1-5 mm: No bevel required: 6-13 mm: Must be bevelled with a maximum ratio of 1:2 (50%) (for every 1 unit of height, at least two units of length). 3. 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. 2. 29(d) Designated areas. 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. 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 dock. The differing types and. EXCEPTION: Existing ramps may have width as required for stairways. It should include back and forth zigzags like a labyrinth. 9. OSHA, ANSI and ADA Regulations for Walkways and Surface. 91 m) above the upper landing surface and is. However, there must be extra height added to barriers that deflect. 1 Doors. Fall protection available for roofs with a slope ratio greater than 4 vertical to 12 horizontal but less than 8 vertical to 12 horizontal: guardrails, personal fall protection systems, safety nets, or; other acceptable work procedures. The final definition is almost identical to the definition of. Be at least 132 inches wide. Basically 8. 1051 (a) (1) Employees shall not use any spiral stairways that will not be a permanent part of the structure on. Each employee on a walking/working surface (horizontal and vertical surface) with an unprotected side or edge which is 6 feet (1. For fixed barriers, a 39-inch height would be acceptable. The OSHA gangway rail requirements are found in OSHA section 1910. Here are the OSHA standards that require EAPs: • Process Safety Management of Highly Hazardous Chemicals - 1910. KATTWALK™ permanent walkway is a lightweight, non-corrosive aluminum walkway system which provides safe, designated access around the rooftop environment. It also can be expressed as a percentage, pitch, or in degrees. Preventing slips is an effective way to prevent falls. The area shall be permanently maintained and identified as a safe dispersal area. All simple slope excavations 20 feet or less in depth shall have a maximum allowable slope of 1:1. Access, Work Space, and Work Areas. The employer must ensure:The maximum running slope of a ramp run cannot exceed a ratio of 1:12. Steep Slope Construction Document Revision Date CS-R-16 0 January 9, 2019 Page 1 of 16 1. 1910. Basically in order to be considered a ramp it must have a slope greater than 5% (1:20). All ramps with a rise greater than six inches (6. The walkway is used as access for exterior doors on the elevated level. x 5 ft. Mr. 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. 501 (b) (2) (ii) Each employee on a walking/working surface 6 feet (1. These barriers limit the pedestrian's ability to recognize and receive information (e. 501 (b) (1) through (b) (14), each employee on a walking/working surface 6 feet (1. 23 (e) (3) (iv), the anchoring of posts and framing of members for railings of all types. 11009 or 57. The preferred slope for a building access ramp is 1:12 or 1 inch of rise per 12 inches of horizontal run - that's roughly an 8% slope also written as a 4. While you will see ramps at steeper slopes including the range of 0° to 18° of slope in the illustration shown here and ramps with slopes as steep as 20° in older. Other components of accessible routes, such as ramps (405) and curb ramps (406), are permitted to be more steeply sloped. 2 Design Imperative - Safety. Paragraph (e)(5)(iii) also requires that if the slope of a ramp or walkway is steeper than one (1) vertical in eight (8) horizontal, the ramp or walkway must have cleats not more than fourteen (14) inches (35 cm) apart which are securely fastened to the planking to provide secure footing. OSHA has a specific definition for low-sloped roofs as follows: “Means a roof that has a slope less than or equal to a ratio of 4 in 12 (vertical to horizontal)”. 146 - Permit-Required Confined Spaces (PRCS) standard to your workplace that is a multi-family residential and commercial building. 25 (b) (1) Handrails, stair rail systems, and guardrail systems are provided in accordance with § 1910. The applicable standards are 1910. The IBC, Occupational Safety and Health Administration (OSHA), and various other codes, regulations, legislation and consensus standards; such as ASTM F1637, 2013, ASTM F2965, 2013, and ASTM F2966-13; mention the need for slip resistant surfaces, yet have not adequately defined what “slip resistant”. 3] Slope represents the proportion of vertical rise to horizontal length and is specified in the Standards as a ratio (e. Wheelchair ramp degree slope ratios are provided in the ADA guideline. Typically, catwalks function as aisles or walkways that allow access within the confines of an industrial building or a warehouse. Trench walls can be angled or sloped downward and/or include flat benches or steps. HEIGHT CLEARANCE minimum 6’6” clearance from nose of tread to overhead obstruction. Never carry passengers. California Occupational Safety and Cal/OSHA), Title 8, Health Administration (California Code of Regulations (CCR), General Industry Safety Orders (GISO), Section 3273, Working Area. Specific aisle requirements are made for industrial aisles. 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). Excavation utilizing sheeting and bracing in lieu of open cut, requires a design analysis for the excavation support system. On sites with multiple parking facilities, the minimum number of accessible spaces must be calculated separately for each parking facility instead of on the combined total of parking spaces provided on the site. 5 percent. 6Kn and held for a minute. If the mower is wheeled, a differential locking option can provide the added traction. The application of the relevant Sections and the limits of slope are illustrated in Figure 1. 22] Since the first walking-working surface rule was published in the early 1970s, employers have been required to maintain their workplace in a clean, orderly and sanitary condition. OregonOSHA Salem Central Office 350 Winter St. 3. 22 (b); 1910. 2]" For curb ramps constructed before January 26, 1992 (pre-ADA), including those that have since been altered, the running slopeProviding walkways separated from the travel lanes could help to prevent up to 88 percent of these "walking along roadway crashes. Each working level of a scaffold must be fully planked or decked. § 1910. Safety chains hold the ramp in place and the same 8-inch steel curbs guard the sides of the ramp. The solution is to change the way we plan, design, and manage infrastructure. (b) Stairways: Section 4. Part 2 Occupational Health and Safety; Part 3 Workers' Compensation System;. 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). 5. What is the maximum height above a lower level that a jobsite walkway can be before it is required by OSHA to have handrails? 6 feet. 272 OSHA’s proposed new rule will require that: a. I. Platform and walkway widths Platforms and walkways must be at least 18 inches wide . wide, at minimum, with a cross slope of 1% (2. No more than 1 inch of space can be present between each scaffold unit unless the employer can show that more space was needed. The directive provides guidance and inspection procedures for the enforcement of the standard. 6 (1) Where an employee has access to an open-top bin, hopper, vat, pit or other open-top enclosure from a point directly above the enclosure, the enclosure shall be (a) covered with a grating, screen or other covering that will prevent the employee from falling into the enclosure; or (b) provided with a walkway. Each employee on a walking/working surface (horizontal and vertical surface) with an unprotected side or edge which is 6 feet (1. 1. June 14, 2021 Reviewed by Michelle Seidel, B. Doors serving a means of egress system shall meet the requirements of this section and Section 1022. The specific standard that would apply here would be 1910. (Title 24, Part 2, Section 2-3306(a) without "Note. 4. 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. 1020, OSHA has simply moved the standard from Subpart C to Subpart Z of the Part 1910 - Occupational Safety and Health Standards. Step 1 – Determine the level of your slope by using a laser level or water level. Each working level of a scaffold must be fully planked or decked. The combination of a sloped surface with conditions that can make that walking surface slippery, especially at outdoor building access ramps, forms a falling hazard at both. Slope is usually expressed as the ratio of the ramp’s height, or rise, to its length, or run. 500; 29 CFR 1926. This is the first OSHA requirement to be aware of. Overview One of the most common safety hazards at Caltech is slips, trips, and falls (STFs). Workers Compensation Act. 29 (b) (1): The top edge height of top rails, or equivalent guardrail system members, is 107. A Guide to OSHA Rules This informational booklet provides a general overview of a particular topic related to OSHA standards. 3. So, if the low-slope roof is to be accessed for some kind of maintenance work (not. The bridge shall be set from the ground uphill or downhill to the landing location at a slope no greater than 6 ft horizontal to 1 ft vertical;. • Slope surfaces consisting of rough materials, such as revetment, adjacent to pedestrian a path. 2 Walkways. If sidewalks are less than 60 inches (5 feet) across, passing spaces must be constructed at set intervals. Designers, owners, and operators are encouraged, but. We have not changed or modified the standard language. 2. 1. The rooftop walkway is OSHA. The standard focuses on proactive. A full range of rooftop guardrails and safety rails that provide perimeter fall protection. The employer must ensure that each walking-working surface can support the maximum intended load for that surface. NOTES:The ADA has set forth the following requirements for ramps in California: Slope: Slopes for ramps that provide handicap access, are used as an exit or are in the path of travel must not exceed a 1-foot rise in 12 feet of horizontal run. 28(b)(13)-Work on low-slope roofs. 33 percent), all sidewalks must be planned with the least amount of running slope feasible, as previously. 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). 502(k) and training that meets the requirements of 29 CFR 1926. To calculate the ADA-required ramp length, multiply the vertical rise (10. Detectable warning elements must extend the full width of the ramp. Pedestrian’s speed is an important parameter for modelling and simulating pedestrians’ crowd movement under normal and emergency conditions. 451 (e) (5) (ii) - No ramp or walkway shall be inclined more than a slope of one (1) vertical to three (3) horizontal (20 degrees above the horizontal). 6(3)(a) if space limitations prohibit the use of a 1:12 slope or less. The best way to build a walkway on a steep slope is to level it out. 501 (Duty to have fall protection), 1926. OSHA did have a requirement for a slip resistance of 0. Post-Mounted Objects. 1. 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. Any path of travel shall be considered a ramp if its slope is greater than 1 foot rise in 20 feet of horizontal run. If you need additional information, please contact us by fax at: U. (i. OSHA 1910. 451(e)(5)(iii)] Reply: In redesignating §1910. 5. Steeper slopes may require additional reinforcements or terracing to ensure stability. 3. Cross Slope - The grade that is perpendicular to the dominant direction of pedestrian travel. Handrail grip: 1-1/4 inch minimum to 2-inch maximum outside diameter for circular handrails. 1926. Safety and Health Ordinance, Cap 509 (OSHO), the Factories & Industrial Undertakings Ordinance, Cap 59 (FIUO) and their respective subsidiary regulations, e. Cages and wells are not ladder safety systems. gov; Coronavirus Resources; Disaster Recovery Assistance; DisasterAssistance. When altering an existing pedestrian facility and conditions preclude the construction of a curb ramp slope of 1:12, provide a slope from 1:12 to 1:10 with a maximum rise of 6 inches. Moderate-gravity (semi-serious) violation fines range from $8,287 – $12,431. A walkway is defined as a continuous way designated for. Multiply this number by 100 and you have the percentage slope. The radius of curvature at the nosing or leading edge of treads shall not exceed 9/16 inch. The 12″ limit also applies to the clearance between multiple posts (excluding the sloping portions of handrails). Therefore, the commander of the fire evacuation could roughly evaluate the physical. Texas Administrative Code (TAC) Title 43 §15. As a general rule, you'll need aisles. (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. S. Top of gripping surfaces of handrails shall be 34 inches (865 mm) minimum and 38 inches (965 mm) maximum vertically above walking surfaces, stair nosings, and ramp surfaces. Search. Most of the rules within the regulation became effective in 2017, with several more phased in before 2019. gov; USA. These cleats. Low Slope Roofs . 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. g. Provide at least 98 inches of vertical clearance (van height) for the parking space, access aisle, and vehicular route. 24 that extends at least 36 inches (. 3. This is key for retractable barriers, which are often used at loading docks that. 4. 04 of 10. Have no more than a 1:48 (2. S. Section 3272, Aisles, Walkways, and Crawlways. The climbing side of the ladder should have at least 36 inches from the center of the rungs for a slope of 76. Under §1910. OSHA clearance requirements regulate the amount of empty space that must be left around ladders in workplaces. Emergency exits and routes are marked and unobstructed. 2 Design the Walkway. 0% maximum) to meet ADA standards. 1926. 5. To calculate the ADA-required ramp length, multiply the vertical rise (10. When neither a walkway nor a straight ladder can be used, a Jacob's ladder meeting the requirements of § 1918. Changes in level can be up to ¼” without treatment or ½” if beveled with a slope no steeper than 1:2. News and Events; Contact; Home;Occupational Safety and Health Administration, Department of Labor. 3. Ramps, Runways, and Other Walkways – 29 CFR 1926. 8. 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. All images courtesy Space Options. The grade (running slope) of the sidewalk shall not exceed the adjacent roadway profile grade. For instance, 3" rise divided by 36" run = . e. ADA leaves the size of the drop off to the. First, OSHA requires that all scaffolds be designed by a person who is qualified to design a safe structure. • Walking surfaces greater than a 1:20 slope are considered curb ramps or pedestrian ramps • Level area is defined as having a maximum slope in any direction of 1:48 • Sloped walkways have a 60” deep minimum level area (1:48 or less) in the direction of travel at 400 LF maximum for the full width of the walkway per CBCCal/OSHA 2. [29 CFR 1926. Gravity-based penalties (GBP) are classified into three categories. The treads are fire rated to Class HB of UL94 so don’t present a fire risk. Platform Landings. Start by evaluating the slope of your landscape. 160 • Fire Detection Systems, 1910. Sharpe: This is in response to your letter requesting guidance in applying the 1910. The maximum slope of a ramp in new construction shall be 1:12. As the wheelchair moves forward, it then tips onto both front casters and one rear wheel. Exceptions may be made, but ADA requirements must be met. If, for example, you had a stairway with a vertical rise of 21″, you would need 21′ of ramp. A variable-sloped pedestrian walkway that links a fixed structure or land with a floating structure. Equipment standards on slip, trip. OSHA prepared the following statistical estimates (based on 4. OSHA 1910. 2. Sesco Safety can provide an OSHA compliant, safe walking surface that allows your employees to walk on the surface unobstructed. OSHA defines low-slope roofs as any roof that “has a slope less than or equal to 4 in 12 (vertical to horizontal). 22, addresses workplace hazards that cause slip, trip, and falls. Dear Mr. gov; Coronavirus Resources; Disaster Recovery Assistance; DisasterAssistance. Tuesday, August 17, 2021. . 28; 1910. Safety net systems and their use shall comply with the following provisions: 1926. The employer must ensure each safety net system meets the requirements in 29 CFR part 1926, subpart M. 8. OSHA recently revised Subpart P, Excavations, of 29 CFR 1926. 4. 5 metres. These slopes are traversable and recoverable. Be equipped with a railing meeting the requirements of § 1918. The basic operating rules and safe work practices. Use established pedestrian walkways with guard rails and strictly enforce their use. Be equipped with a railing meeting the requirements of § 1918. Ramp: Any ramp that has a rise greater than 6 (inches) or a run greater than 72 (inches) needs to have ADA compliant handrail. Table 2. 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. Slope and Rise of Sidewalk Ramps (642. 1051 (a) A stairway or ladder shall be provided at all personnel points of access where there is a break in elevation of 19 inches (48 cm) or more, and no ramp, runway, sloped embankment, or personnel hoist is provided. 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. Note: slope = Y:X. A Rooftop Walkway Designed for Slopes. 3. Wee clear up the issue in this detailed piece. If you live on a hill, then you may be wondering just how steep your driveway can be before it becomes a problem. 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. 1926. (a) General. Curb ramps built to the maximum slopes can easily fall out of compliance with just a slight displacement. Dimensions and Sizing: Swales should generally have a trapezoidal shape with a flat bottom (in the direction perpendicular to flow) to promote even flow across the whole width of the swale. Figure 222. 119 • Fixed Extinguishing Systems, General - 1910. 1 Criteria for Changes in Level along Sidewalks and Walkways. 610 m (2 ft) could create a safety hazard. A cross-slope that changes so rapidly that there is no planar surface within 0. *For complete ADA ramp handrail requirements for California, view the California Building. • The presence of traffic or a body of water at the bottom of a slope adjacent to a pedestrian path. On divided highways, each one-way pavement has a. Standard Specifications. Conveyor systems shall be equipped with an audible warning signal to be sounded immediately before. Areas near schools, sporting complexes, parks and. 17 (d) (1) While dockboards or carplates are in position; or. On 2023-01-26 by InspectApedia Publisher (mod) - guardrail safety around swimming pool walkways. 2931. The strict requirements of OSHA, Canada, New York City and even California are inside the design capabilities of this roof railing system. When properly installed at a 1:12 slope, this ramp will allow access to a threshold 30 inches above ground. However, this publication is not itself a standard or regulation, and it creates no new legal obligations. Open-top Bins, Hoppers, Vats and Pits. 96 in wet conditions. These can help workers to deposit or remove goods and inventory from steel shelves or rivet racks. 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. 3]. It's an opportunity to create a landscape masterpiece! But keeping the natural surroundings intact can also mean uneven surfaces. 1926. Driveways and walkways should slope away from the house, and should slope to drain over their entire run. These passing spaces must measure at least 60 inches on all sides, and must be located at least every 200 feet. 7. 2. A public address system with standby power is provided; 1. Introduction. The grantees hereby authorize employers and workplace safety and health professionals to use this material, distributed by or through OSHA, in their workplaces or practices in accordance with the guidance contained in the material. OSHA publishes a final rule on WWS and PPE in November 2016 that updated requirements for slips, trip and fall hazards. Consider standard guardrails (with or without toeboard) on both sides to prevent falls. Height. The ADA limits curb ramp steepness to no greater than 1:12 (an 8. Failure to comply with these. Aisle markings are no exception. Provide a 3-foot minimum clearance width for continuous passage; if a sidewalk is less than 5 feet in width, provide passing areas of 5 feet by 5 feet at intervals no farther than 200 feet apart. Build and maintain sidewalks in urban areas along all major arterial streets. Keep areas around light switches clear and accessible. Ramps should have an inclination of not more than 1 vertical foot. sq and deflection kept within 15 mm or 1/100 of the span, whichever is lesser. General Requirements [29 CFR 1910. Ramps are covered under OSHA guidelines 1926. 3. 1. of a curb will be placed adjacent to the curb and be a minimum of 6 ft. 2. Read more about ADA ramp slope requirements. 28(b)(13) Work on low-slope roofs and 1910. WIDTH ≥ 22” between railings. g. Here are the OSHA standards that require EAPs: • Process Safety Management of Highly Hazardous Chemicals - 1910. 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. 20 as §1910. In-roadway lights or pedestrian crosswalk signs are treatment that may be. A curb ramp running slope of 10% for a 6in. Environmental Health & Safety Office Walking and Working Surfaces Guide 07/2015 2 o On stairways less than 44 inches wide having both sides open, one stair railing on each side. Here is a list of five current OSHA standards for work platforms that you may not be aware of. 5. 23 shall be provided. Never exceed a twelve foot span (maximum) without bracing. Department of Labor, OSHA, Directorate of Construction, Office of Construction Standards and Guidance, fax # 202-693-1689. 1. This Standard defines the safety requirements relating to the elements of design, operation, and maintenance of low lift and high lift powered industrial trucks controlled by a riding or walking operator, and intended for use on compacted, improved surfaces. To comply with OSHA's fall protection requirements in the pictured scenario, the employer could have either provided the fall protection specified in 1926. 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). Advisory 402. With the app’s sketch tool, draw one line along an eave adjoining the roof’s slope or rake, then a line up the rake to the ridge. 28(b)(13) Work on low-slope roofs and 1910. Advisory 402. 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 securely fastened to the planks to provide footing. 2] and Cross Slope [§405. These specifications apply to all portions of accessible routes, including thresholds and carpet trim. The 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. 1052 (a) (2)July 17, 2014 Mr. Steep slopes may cause loads to topple. 1 cm) of and along at least one side of the walkway. 23 (a) (2) Designed into or is an integral part of machines or equipment. 8 degree angle slope. Close. 1. 8 m) or more above a lower level where leading edges are under construction, but who is not engaged in the leading edge work, shall be protected from falling by a guardrail system, safety net system, or personal fall arrest system. Sloping Walkway: Cannot exceed 20° in the direction of travel. Doors provided for egress purposes in numbers greater than required by this code shall meet the requirements of this section. Therefore, it is very important to investigate the influence of walkway slope on pedestrian flow dynamics. Kee Walk ® is designed for modern roof types including trapezoidal profile composite or built up and standing seam metal roofs. 0 Cal/OSHA The California Division of Occupations Safety and Health, better known as Cal/OSHA, reports that more construction deaths occur in trenches than in any other form of construction work. This is despite a number of trench and excavation failures that go unreported. 501 (b) (1) Unprotected sides and edges. 33%. 651 (c) (2) Means of egress from trench excavations. requires walkways to be tested with a load of 1. Steep Slope Construction Document Revision Date CS-R-16 0 January 9, 2019 Page 1 of 16 1. The employer must ensure: 1910. 22 (b) Loads. The running slope is to be uniform along a run, although slight variations may occur with certain materials such as applicable OSHA standard requires it, OSHA strongly recommends that all employers have an EAP. , 1:12). • Are inclined walkways of non-skid material or provided with cleats? (56. 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. Portions of accessible routes with running slopes steeper than 5% also must be treated as ramps. 29(d) Designated areas. Design. Ramp Requirements . 5” H. Occupational Safety and Health Administration, Department of Labor. oregon. Whether you're just marking the edges of your aisles or you. A modular roof walkway system that’s easy to install and designed to meet and exceed all OSHA regulations. The slope of existing ramps cannot exceed a 1-foot rise per 8 feet of horizontal run.