Additional OSHA handrail requirements. The top of handrails and handrail extensions shall not be placed less than 34” (864 mm) nor more than 38 inches (965 mm) above landings and the nosing of treads. Type I handrails with a circular cross section must have an outside diameter of between 1. 23(e)(6) states: "All handrails and railings shall be provided with a clearance of not less than 3 inches between the handrail or. OSHA 1910. Intermediate vertical members: Must be installed no more than 19 inches apart. Handrail height, measured above stair tread nosings, or finish surface of ramp slope, shall be uniform, not less than 34 inches (864 mm) and not more than 38 inches (965 mm). The safety handrails and guardrails comply with IBC and OSHA railing guidelines for use on landings, platforms, mezzanines and staircases. When the top edge of a stairrail system also serves as a handrail, paragraph (c) (7) of this. In addition to paragraph (b) of this section, the employer must ensure alternating tread-type stairs: ( 1) Have a series of treads installed at a slope of 50 to 70 degrees from the horizontal; ( 2) Have a distance between handrails of 17 to 24 inches (51 to 61 cm); ( 4) Have open risers if the tread depth is less than 9. 6. 5 cm) from the upper surface of the stair rail to the surface of the tread. 29: 29 CFR 1910. 5") Hand Railing heights: U. Since many employers installed new railings at that height, OSHA is proposing to expand the height range by allowing a railing of 30 to 38 inches. General OSHA Handrail Requirements. References. Each stairway should have at least one handrail. Distance between the two stair railings as measured from the two closest edges. Reference definitions in 1910. Handrails should be installed between 34” and 38” from the walking surface of the ramp. Do you know the federal standards for scaffolding safety in construction? This PDF document from OSHA provides detailed information on the requirements, hazards, and solutions for different types of scaffolds. General Requirements: the general requirements of section 1910. For example, ANSI standard A1264. and positive safety railing for numerous situations. OSHA requires that all ladders between 60 and 90 degrees be device-facing, so any ships ladder that is angled 60 degrees or steeper must be descended backing down. 25(f)(1) Have a series of treads includes at a slope a 50 to 70 degrees from the horizontal; 1910. 31, 2017 is 42 inches. The OSHA catwalk width requirements are found in section 1910. The requirements of OSHA safety regulations for the safe use of ladders and stairs (Subpart X, Title 29 Code of Federal Regulations, Part 1926. Stair tread should be slip-resistant for mezzanine safety. shall not exceed the smallest by more than 3/8 inch. Handrails shall have a clear space between the handrail and a wall or other surface of at least 1 ½ inches. Mr. Essentially handrails are designed to provide guidance, support and safety for stairs and ADA ramps with a rise of 6 inches. 112(c)(1). • 2 yr. The leading edge of exit stair landings shall be marked with a solid and continuous marking stripe consistent with the dimensional requirements for stair treads and shall be the same lengths, and consistent with, the stripes on the steps. Plus, they are required to have an intermediary landing if the staircase has a rise of 12’ or more. Handrails must be 30” – 38” tall and. Handrails must not project into the stairway more than 4 ½ inches—so with one handrail, the stairway can’t be less than 31 ½ inches wide, as measured at or below the rail, and with two handrails, the. The employer must ensure: 1910. Stair and ramp railings in the workplace must meet OSHA standards of 30 to 38 inches in height and be able to. The employer must ensure: 1910. Objects with leading edges more than 27 inches (685 mm) and not more than 80 inches (2030 mm) above the floor shall not project horizontally more than 4 inches (102 mm. 44 inches (1. The standards for fixed ladders in §1910. The International Building Code (IBC) is a model code for commercial construction that provides minimum requirements to safeguard the public health, safety, and general welfare of the occupants of new and existing buildings and structures. Handrail is rail that provides a handhold on a platform, walkway, stairway or step ladder. 24 (a) (2) Each step bolt is designed, constructed, and maintained to prevent the employee's foot. 9 Toe. Vertical clearance. Stair railing. This Safety and Health Information Bulletin is not a standard or regulation, and it creates no new legal obligations. 23(e)(1). If balusters are used, there shall be a minimum of one per tread. All catwalks have to be equipped with railings that can withstand up to 200 pounds of pressure. Paragraph (h) says that standard railings must be provided on the open sides of all exposed stairways and stair. - stair rails of 30-38 inches can be used as handrails, for installations made between 1/17/17 and the finalization date of these 2021 revisions - all handrails installed after this. 5 “width below handrail height where a handrail is on one side. Oregon OSHA defines a stairway as a series of steps and landings having three or more risers. 23 (a) (1) Used in emergency operations such as firefighting, rescue, and tactical law enforcement operations, or training for these operations; or. Clearance. 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. Handrails and the top rails of stairrail systems shall be capable of withstanding, without failure, a force of at least 200 pounds (890 n) applied within 2 inches (5 cm) of the top edge, in any downward or outward direction, at any point along the top edge. 6]OSHA set the design requirements for alternating tread stairs included teil 1910. D. Quoting from the new text (note all is from the same section/page): The h. HTML PDF:. OSHA stair width is generally a minimum of 22 inches. Oregon OSHA requires that employees at general industry workplaces be protected from falls to a lower level of four feet or more and from any height above dangerous equipment. - 10/28/2004. 25 must be met, including the need for guardrails, handrails, vertical clearance of 6'-8", uniform treads/risers, etc. 1910. Open sides of stairs require a stair rail, sometimes with a handrail ("stair rail system with handrail"), and (per the current text of the table) sometimes without ("stair rail system"). Systems can use stair rails as handrails if they meet strength tolerance, finger clearance, handhold, opening, surface texture and projection hazards requirements. 5. The requirements for handrails and stairs in the 2016 Final Rule led many employers to seek clarification from OSHA about when handrails. 1050 (a) Scope and Application. IBC handrail code requirements for commercial stairs. Technical requirements for stairs are covered in 2010 ADA Standard 504. 25(b)(4) the stairway landings must be at least the diameter of the stairway, which has an minimum width of 22". This discussion serves as a quick and easy reference for use on job sites. The Guardrail height shall not be less than 36 inches above the walking surface. (M) Headroom. The top of the handrail must be located between 34 and 38 inches above the ramp surface or the stair nosing (the edge of a stair tread that projects over the riser). 451 (b) (3) (ii) The maximum distance from the face for plastering and lathing operations shall be 18 inches (46 cm). The largest tread width or riser height in any flight of stairs. 3. New rules issued by OSHA in January 2017 changed a number of design elements of OSHA compliant stairs and many Stair designs which were compliant prior to 2017 are no longer complaint. At least one handrail One stair rail system with handrail on open side. handrails at open stairs: 34-38" above the stairs; Canadian stair handrails: 32-36" above the stairs; Wall clearance: Handrails along a. In construction the use of cables or chains to guard door and wall. This was a little better but not as logical or as safe as a 42" guard. HTML PDF: 296-24-935: Safety relief devices for cargo and portable tanks storing compressed gases. Handrail or guard infill components, balusters and panel fillers shall withstand a horizontally applied perpendicular load of 50 pounds on any one-foot-square area. You will note that the post offers both required heights for stairs and landing, and the added toe rail. OSHA 1910. OSHA published a final rule on walking-working surfaces and personal. The space between the inside of the handrail and the wall or any other obstruction must be at least 1-1/2”. 1910. Handrail height of alternating tread devices and ships ladders, measured above tread nosings, shall be uniform, not less than 30 inches (762 mm) and not more. , measured from the line connecting tread nosings—the same as the minimum height for handrails. b. If you do go that route, the first place to look for noncompliance is in the guard rail. 0. Stair towers [29 CFR 1926. 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. 5. Handrails and guards shall be designed and constructed to withstand a 200 pound load applied in any direction. Handrails must be shaped in a manner that allows users to grip them firmly. In order to ensure compliance, the maximum allowable opening between the two handrails needs to be determined. A stair rail does not necessarily require a handrail. If the stairs are 1000mm or wider: provide a handrail on both sides. Contrasting materials on the step edge/nosing and handrail can provide a very effective visual safety trigger. Enforcement. The difference in the two designs. These systems may be. For stair width, expect a minimum of 44 inches in most cases and 36 inches in areas populated on average by less than 50 people. The standard prohibits using repaired wire. HTML PDF: 296-24-93501: Definitions. 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. 5”. 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. 2. Their unique requirements command the attention of those using them, which translates to safety. The handrail height, headroom, riser height and distance between the center column and handrail will pass OSHA. This 200 pound load test is designed to stop an employee from a potentially fatal fall, as opposed to the IBC requirement that takes into account the idea that many people may be leaning on the. 2 m) or above, must have handrails with a vertical height of 29. To obtain an order form or copies of these codes, address: Department of Consumer & Business Services Oregon Occupational Safety & Health Division (Oregon OSHA) 350 Winter St. IBC requirements dictate the loading for sizing members of the platform structure. 1, Ex. 24 2 This document is not intended to be totally inclusive but rather to highlight the information and requirements in the complete OSHA standard that owners and managers of agricultural businesses should understand. Equipto offers two styles of OSHA complaint stairways. Plus, for the disabled and elderly, handrails are crucial; they can be the difference between a comfortable walk up the stairs and a terrible injury. 23(e) - Ladders. Stairs other than fixed industrial stairs have different requirements for being equipped with standard stair railing or standard handrails when compared to the requirements of fixed industrial stairs. Handrails must not project into the stairway more than 4 ½ inches—so with one handrail, the stairway can’t be less than 31 ½ inches wide, as measured at or below the rail, and with two handrails, the. This section covers the general and specific requirements for stairways, including standard, spiral, ship, and alternating tread-type stairs, except for articulated stairs. 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. 24 for the safe design and construction of fixed general industrial stairs. The height of the stair rails should not be less than 34 inches and should not exceed 38 inches from. Dear Mr. This informative guide provides the provisions and compliance requirements for barriers and handrails for Class 1 and 10 buildings. Our photo (above) illustrates very challenging stairs with a high rise, climbing to over 230 feet at the Pyramid of the Sun in Teotihuacán outside of Mexico City. Items that fall under the safety category relate to the health, sanitary condition, and habitability of the property. November 2, 1995. ago. This is because for people with balance and mobility issues, leaning on a wall to maintain their balance is simply not a safe way to navigate a stairwell. The terms “subdivision” and “subpart” are synonymous within OAR 437, Oregon Occupational Safety and Health Code. Stairs OSHA Requirements Guard/Hand Rails 10-14 in (25-36 cm)min on center, Uniformly spaced 16 in (41 cm) min clearance between side rails 15 in (38 cm) min clearance toTop 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. Minimum distance between two stair railings. If the stairs are likely to be loaded in excess of the above requirements, refer to AS/NZS 1170. Our interpretation letters explain these requirements and how they apply to particular circumstances, but they cannot create additional employer obligations. Stair Handrail requirements: "on each side" Stairways shall have handrails on each side, and every stairway required to be more than 88 inches (2235 mm) in width shall be provided with not less than one intermediate handrail for each 88 inches (2235 mm) or required width. L. 23(e)(1)]One of the biggest differences between ADA stairs and OSHA stairs relates to their handrails. Although these requirements do not mandate handrails on stairs that are not part of a means of egress, State or local building codes may require handrails or guards. Additional requirements for ladders used on or with scaffolds are contained in Subpart L – Scaffolds. Handrails are required when there is a top step height of 4 feet or more and a railing needs to be 29. Chad Holder. in from the edge. S. Stairs OSHA. One stair rail system each open side. Handrails are a support aid when using stairs. 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. An enclosed stair requires one or more handrails, but no stair rails. When the 42-inch guardrail is used on a stair or ramp, a secondary Handrail will be required at the appropriate height. The agency has received numerous questions asking when handrails are required, and about the height requirements for handrails on stairs and stair rail systems. Handrail height requirements for stairs play a vital role in ensuring safety, accessibility, and compliance with building codes and regulations. We have paraphrased your questions, and our replies follow. Rauchut, This is in response to your letter of July 18, 2017, requesting the Occupational Safety and Health Administration (OSHA) to address a specific question of whether any safety factor is required in the design of handrails and top rails. Handrails may be interrupted by a newel post at a turn. OSHA standard 1926. 1. regarding code requirements, refer to the applicable codes or contact your local Building Department. You had specific questions regarding the use of ship's stairs in general industry. 500, GUARDRAILS, HANDRAILS & GUARDS [PDF] Standard Number 1926. Thank you for your interest in occupational safety and health. 23, Guarding floor and wall openings and holes. Greater than 88. 28(b)(11)(ii) states that a flight of stairs having at least 3 treads and at least 4 risers must be equipped with stair rail system. Handrails (continuous) are required on at least one side of flights of stairs with ≥ 4 risers. ". See 55 Federal Register 13396 (April 10, 1990). 121 (1) An employer must ensure that a walkway, runway or ramp. The minimum load capacity must be at least 100 pounds per square foot, with a minimum tread center concentrated load of at least 300 pounds. Handrails shall be. At least one handrail must be provided for stairs with four or more risers or 30 inches of ascent. the other safety requirements for guardrails. A handrail should be between 34 and 38 inches high. OSHA publishes a. 6] OSHA set the design requirements for alternating tread stairs included teil 1910. . This includes, but is not limited to, requirements related to: general structural design, fire-resistant construction, light, ventilation, sanitation, plumbing fixture clearances, minimum room area and ceiling. Further, OSHA standard 1910. 24 (a) (1) Each step bolt installed on or after January 17, 2017 in an environment where corrosion may occur is constructed of, or coated with, material that protects against corrosion; 1910. 23 (e) (1): Mobile ladder stands and platforms have a step width of at least 16 inches (41 cm). §3214. to 34 in. 23 (a) (2) Designed into or is an integral part of machines or equipment. Requirements for Ladders OSHA has reorganized separate rules for fixed ladders, portable wood ladders and portable. Learn how to comply with the OSHA requirements for the height of handrail and top rail of a stair rail system, which vary depending on the installation date of the system. Minimum handrail wall clearance of 1. Railings and handrails. Greater than 88 inches. (1) A stairway shall have a handrail on at least one side, and if 1 100 mm or more in width, shall have handrail s on both sides. However, it requires that the stair landings be at least the width of the stair or 48 inches, whichever is less. Under the proposal [proposed §1910. What are the hand railing safety requirements? The height of the handrail is outlined in the Australian Building code. 2 m). 23 includes requirements for ladders, where OSHA defines handrail requirements on platforms and how high safety railings must be. New handrail ends shall be returned to the wall or floor or shall terminate at newel posts . Handrails can have circular or non-circular cross-sections, but must have rounded edges. 23 (e) (11), which details the maximum openings for wall opening screens, would apply in the above situation. 28; 1910. Handrails attached to the wall must have a space between the wall and the rail of at least 11/2 inches to provide a grippable surface. 4. For detailing the other components (stairs, railing, ladders, etc. Handrails are an essential safety tool for stairs, providing stability while you ascend or descend the steps. [IBC 1011. 1003. Cal-OSHA’s 1” tolerance only allows for a minimum height of 41”. Suite 301 Chadds Ford, PA 19317. 1. 5" tread; Stair Width: minimum 22" Railings & Guardrail: railings required on open sides of stairwells and 42" high handrail on the side, preferably right. Learn how to prevent falls and injuries by following the best practices and guidelines. 7. 4. 1910. In alterations, stairs between levels that are connected by an accessible route1926. 5 inches (24 cm);1917. The stairway must be at least 36 inches wide, measured above the handrail. OSHA catwalk handrail requirements . Find out the. Regulatory Requirements 1. Reference definitions in 1910. In North Carolina, four or more steps or an ADA ramp with a rise of 6 inches require handrails on both sides. 144(a)(3) was not meant to state directly or by implication that all permanent handrails be painted yellow. (c) Stair rails and handrails. 25 (b) (3): Stairs have uniform riser heights and tread depths between landings. Occupational Safety and Health Administration 200 Constitution Ave NW Washington, DC 20210 1-800-321-OSHA 1-800-321-6742. The Acceptable Solution F4/AS1 (Table 1) requires barrier heights in buildings other than housing to be 900mm on stairs and ramps, and 1100mm elsewhere. 25″ and 2″. Handrails must be able to hold 200 pounds of downward or outward pressure. 5 inches (75 cm) to 37 inches (94 cm), measured from the front edge of a step. Governing codes shall be checked for their specific requirements, and government regulations, suchOSHA 1926. Stair Railing Height Requirements: 34 to 38 Inches Stair railing should be no less than 34 inches high and no more than 38 inches high. This provides a safe environment and avoids. The railing height should be at least 42 inches from the first edge of the tread to the rail's upper edge. 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. Different requirements for children show a maximum height of 28″ with a minimum clearance of 9″ between the adult rail and the childrens’ rail, which is only a recommendation and not a requirement. For example, stairs manufactured with a 45-degree stairway rise must have a minimum rise and tread of 8. Minimum 6′-8″ headroom height clearance for stairway. Be certain that your vendor has updated their OSHA designs. 28(c)(2)(ii. Risers & Tread: 8" open riser, 9. Vertical rise – 30° to 50°. Also, OSHA determined that it was appropriate to adopt. Handrails need to be easy to firmly grasp if a person loses balance. Handrails may project over stairs by 4 ½ inches maximum on each side of the stairway. Handrails shall be continuous for the full length of the stairs. Fixed stairs are in compliance with the standard if the rise and tread run dimensions produce a stairway with an angle to horizontal between 30 and 50 degrees. 1- 2000 Safety Code for Elevators and. 1926. The ADA Standards apply requirements for stairways to each stair that is part of a required means of egress (§210). A minimum of 27 “width below handrail where handrails are on both sides. OSHA Standards and Interpretation Letter: 06/16/1999 - Scaffolds: Lifelines, support lines, and suspension ropes cannot have a common anchor point. ago. (1910. A stair rail system shall be provided on all unprotected sides or edges of stairways with a fall hazard of four feet (1. reviewed the pertinent ANSI standards and determined that it was appropriate to limit the clearance requirement for handrails and stair rails. 1052(c)(1) Stairways having four or more risers or rising more than 30 inches (76 cm),. The space between the handrail and the wall or any solid surface should be at least 1-1/2. Clearance. 3. ”. 23 (b) General requirements for all ladders. 1050An OSHA catwalk servicing by a stairway a a your of stair landing. standard requirements explanatory information (not part of american national standard a1264. Stair railings. The employer must ensure: 1926. OSHA recognizes that there are situations where the level of the ground or of the structure to which the stair tower is. 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. Note: Dimensions and stair requirements apply only to individual dwelling units in residential occupancies. • Handrails are a support aid when using stairs. 2. 3 Stairways and Landings model code. Must be at least 22 inches in width. 17, 2017, must be at least 42 inches. g. Stairways . 25 (b) (4)] IBC requires the same width as OSHA. If the guard top rail is not used as a Handrail, it would not have graspability requirements. WIDTH ≥ 22” between railings. OSHA requirements for rolling ladders fall under is OSHA 1910. Systems can use stair rails as handrails if they meet strength tolerance, finger clearance, handhold, opening, surface texture and projection hazards requirements. The top edge height may exceed 45 inches (114 cm). 2 m). 72. Our letters of interpretation do not create new or additional requirements, but rather explain these requirements and how they apply to particular circumstances. 5” on either side of the stairway. That part of §1910. If you have an edge that does not pose this risk, you should be OK with standard railing without toeboard. Load-capacity of 1,000 lbs. OSHA Stair rail requirements - stair railings may serve as handrails, and vice-versa. (1. A maximum rise of 7-3 / 4 ”- maximum difference among risers 3/8″. 5 inches. 1910. OSHA published a proposed rule in May 2021 to clarify this. 23(e) because the height of the standard railing on the stair landing is less than 42 inches nominal. Back to:. 21 (a) (8). 851 (b) All stairs, passageways, ladders and incidental equipment thereto, which are covered by this section, shall be periodically inspected and maintained in a clean safe condition. 25(f)(2) Have an distance between handrails of 17 to 24 inches (51 to 61 cm); The first drawing would not be compliant with the height requirements in §1910. (1) A standard railing shall consist of top rail,. With that in mind, we can refer to a “four-riser minimum” as a “four-step minimum. 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 equivalent. Handrails can be higher. OSHA standards or the Occupational Safety and Health Act of 1970. Distance between a single stair railing and the opposite wall (with no stair railing) Guard railing minimum height. ”. At least one handrail One stair rail system with handrail on open side. Lower levels means those areas to which an employee can fall from a stairway or ladder. Many shorter stairways don’t have rails at all, and it can be confusing to know how many steps. 5 inches and the minimum stair tread is 9. 29(d) Designated Areas. 1. Every interior and exterior stairway attached to, or supported by any part of the structure covered under this code. Handrail diameter between 1. handrail if needed. The assenbly may include handrails. Section R. 5. 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. On a flat surface, measure vertically above the. 44 inches (1. Anchorage. Photo: Getty Images. The general standards also address. Section 1910. Objects with leading edges more than 27 inches (685 mm) and not more than 80 inches (2030 mm) above the finished floor shall not project horizontally more than 4. 1926. My Account Shop Cart Contact an Expert Custom Quotes (800) 535-7631. 25(c) Slope between 30° and 50° from the horizontal Maximum riser height of 9. Stair Handrail requirements - one vs both sides of the stairway: Stairways shall have handrails on each side, and every stairway required to be more than 88 inches (2235. The governing requirement for the guarding of ladderway floor openings and platforms is paragraph 1910. apostate456. Industrial stairs: Closed // and open // riser stairs. OSHA is therefore proposing two separate provisions for stairs with two open sides Start Printed Page 27334 and a width of less than 44 inches: The corrected requirements for new handrails and stair rail systems (located in Table D-2), and a separate provision to retain the current requirements for already existing handrails and stair rail systems. • The minimum clear width from the handrail height to the treads is 31 ½ inches for stairs with rails onOSHA Guidelines for Guardrails. The IBC defines the various design requirements for handrails, providing clear and concise specifications. HTML PDF: 296-24-74030: Alternating tread-type stairs. 5 cm) from the upper surface of the stair rail system to the surface of the tread, in line with the face of the riser at the forward edge of the tread. 23 (e) (2), you are in compliance with §1910. For buildings other than dwellings and for common access. 36 inches. handrail s. 75(f) Access to wing walls from floors of dry docks shall be by ramps, permanent stairways or ladders meeting the applicable requirements of § 1915. c. Handrail ends shall be returned to a wall, guard or the walking surface or shall be continuous to the handrail of an adjacent stair flight. Standard railings shall be provided on the open sides of all exposed stairways and stair platforms. Section 03 30 00, CAST-IN-PLACE CONCRETE: Concrete fill for treads and platforms. California CA/OSHA Title 8 Building Code Stair & Railing Safety. Therefore let us recap on the residential stair code requirements: Minimum 36 inch clear width for stairway. Any change in elevation int walking surfaces greater than 9. 23 (d) (1)states: “Every flight of stairs having four or more risers shall be equipped with standard stair railings or standard handrails as specified. These updated standards finally provided clarification for service pits, specifying that guardrails are not required around service pits less than 10 feet in depth. tall, guards on stairs can be as low as 34 in. However, it requires that the stair landings be at least the width of the stair or 48 inches, whichever is less. 2. For employers who have been doing their best to keep employees safe around. (d) Designated areas. HTML PDF: 296-24-74020: Spiral stairs. The stair will be installed at a 70-degree angle or less. Handrails need to be easy to firmly grasp if a person loses balance. Oct 27 2017. Easily Installed and Reconfigured.