The second part is sufficient clearance. Unsafe scaffolding has the potential to result Two tie-backs installed at opposing angles are required when a perpendicular tieback cannot be installed. Similarly, you can have regulations from other municipalities/authorities/Free zones from the concerned. 22.A.03 Prior to commencing any activity that requires work in elevated areas, all provisions for access and fall protection shall be delineated in the Site-Specific Fall Must have a maximum space between rungs of 16 inches. Steel or plastic banding shall not be used as a toprail or midrail. Scaffolds shall be designed by a qualified person and shall be constructed and loaded in accordance with that design. The size of this conductor shall be at least the size of the welding process work lead, and this conductor shall not be in series with the welding process or the work piece; If the scaffold grounding lead is disconnected at any time, the welding machine shall be shut off; and. Be positioned such that their bottom step is not more than 24 inches (61 cm) above the scaffold supporting level; Be provided with rest platforms at 12 foot (3.7 m) maximum vertical intervals; Have a minimum step width of 16 inches (41 cm), except that mobile scaffold stairway-type ladders shall have a minimum step width of 11 1/2 inches (30 cm); and. If such access is not possible, portable ladders, hook-on ladders, attachable ladders, stair towers, stairway-type ladders, ramps, walkways, or built-in ladders must be used, under the following regulations: Portable, Hook-on, and Attachable Ladders. Must have a stair-rail, consisting of a top-rail and a mid-rail, on each side. A. Stairrails shall be not less than 28 inches (71 cm) nor more than 37 inches (94 cm) from the upper surface of the stairrail to the surface of the tread, in line with the face of the riser at the forward edge of the tread. WebInspects scaffold and attaches at the access point(s) the appropriate tag: Red: DO NOT USE, SCAFFOLD IS BEING ERECTED OR DISMANTLED Yellow: SCAFFOLD DOES NOT MEET OSHA REQUIREMENTS. [, Employers must ensure that all employees are trained to recognize the hazards associated with the type of scaffold being used. Must have their bottom step no more than 24 inches above the level on which [29 CFR 1926.451(c)(2)(iv)]. What types of scaffolds does the standard prohibit? [29 CFR 1926.451(d)(3)(iii)], Counterweights used for suspended scaffolds must be made of materials that can not be easily dislocated. Some of the requirements for all types of suspension scaffolds include: Counterweights used to balance adjustable suspension scaffolds must be able to resist at least four times the tipping moment imposed by the scaffold operating at either the rated load of the hoist, or one-and-a-half (minimum) times the tipping moment imposed by the scaffold operating at the stall load of the hoist, whichever is greater. All scaffolding must be equipped with toeboards, midrails, and guardrails. Where scaffolds must be used in areas that the employer can demonstrate are so narrow that platforms and walkways cannot be at least 18 inches (46 cm) wide, such platforms and walkways shall be as wide as feasible, and employees on those platforms and walkways shall be protected from fall hazards by the use of guardrails and/or personal fall arrest systems. What materials are unacceptable for guardrails? 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. Guardrail height. Each ladder jack scaffold, top plate bracket scaffold, roof bracket scaffold, and pump jack scaffold shall be at least 12 inches (30 cm) wide. [29 CFR 1926.451(b)(2)], The standard requires employers to protect each employee on a scaffold more than 10 feet (3.1 m) above a lower level from falling to that lower level. Sound anchorages include structural members, but do not include standpipes, vents, other piping systems, or electrical conduit. Stilts may be used on a large area scaffold. A safe point of access should be present during erection and dismantling operations. WebAccess to all scaffold platforms must be safe and clear. In addition to wearing hardhats each employee on a scaffold shall be provided with additional protection from falling hand tools, debris, and other small objects through the installation of toeboards, screens, or guardrail systems, or through the erection of debris nets, catch platforms, or canopy structures that contain or deflect the falling objects. Scaffold components manufactured by different manufacturers shall not be modified in order to intermix them unless a competent person determines the resulting scaffold is structurally sound. Zelienople, PA 16063. When vertical lifelines are used, they shall be fastened to a fixed safe point of anchorage, shall be independent of the scaffold, and shall be protected from sharp edges and abrasion. This section highlights OSHA standards and documents related d) Added precautions around power lines. Have slip-resistant treads on all steps and landings. Sound anchorages do not include standpipes, vents, other piping systems, or electrical conduit. The ladder legs shall be secured to prevent them from slipping or being pushed off the platform. [29 CFR 1926.451(d)(3)(ix) and 29 CFR 1926.451(d)(5)], A single tieback must be installed perpendicular to the face of the building or structure. How can one prevent supported scaffolding from tipping? Gasoline-powered equipment and hoists shall not be used on suspension scaffolds. WebRequirements for Scaffolding Tower Use of Safety Harness Safe place and Safe person strategy You can read regulation of Trakhees, in detail. The use of shore or lean-to scaffolds is prohibited. [29 CFR 1926.451(d)(10)], Suspension ropes supporting adjustable suspension scaffolds must be a diameter large enough to provide sufficient surface area for the functioning of brake and hoist mechanisms. Platforms may be coated periodically with wood preservatives, fire-retardant finishes, and slip-resistant finishes; however, the coating may not obscure the top or bottom wood surfaces. Supported scaffold poles, legs, posts, frames, and uprights shall bear on base plates and mud sills or other adequate firm foundation. Outrigger beams which are not stabilized by bolts or other direct connections to the floor or roof deck shall be secured by tiebacks. Wood platforms shall not be covered with opaque finishes, except that platform edges may be covered or marked for identification. Debris shall not be allowed to accumulate on platforms. May forklifts, front-end loaders, or similar equipment support platforms? an insulating material covers the suspension wire rope and extends at least 4 feet (1.2 m) above the hoist. Any part of a scaffold damaged or weakened such that its strength is less than that required by paragraph (a) of this section shall be immediately repaired or replaced, braced to meet those provisions, or removed from service until repaired. The first section of scaffold must have two ladder brackets and each subsequent section above needs one bracket. Must have a minimum rung length of 11 inches, and a maximum space between rungs of 16 inches. [29 CFR 1926.451 (b) (2)] A study of the degradation properties of However, OSHA permits direct access from another scaffold, structure, or personnel hoist. above the scaffold supporting level. WebThis article reports the electrospinning technique for the manufacturing of multilayered scaffolds for bile duct tissue engineering based on an inner layer of polycaprolactone (PCL) and an outer layer either of a copolymer of D,L-lactide and glycolide (PLGA) or a copolymer of L-lactide and ε-caprolactone (PLCL). Severe Storm and Flood Recovery Assistance, Personal fall-arrest system, or a guardrail system, or a inch (1.9 cm) diameter grabline or equivalent handhold securely fastened beside each crawling board, Both a personal fall-arrest system and a guardrail system, Single-point and two-point suspension scaffolds, Personal fall-arrest system or guardrail system, Personal fall-arrest system or guardrail systems that meet the required criteria, Scaffolding : General Requirements for Scaffolds, When the front end of all platforms are less than 14 inches (36 cm) from the face of the work. Flowable material, such as sand or water, cannot be used. [29 CFR 1926.451(e)], Shore and lean-to scaffolds are strictly prohibited. Non-mandatory Appendix A to this subpart contains examples of criteria that will enable an employer to comply with paragraph (a) of this section. Where swinging loads are being hoisted onto or near scaffolds such that the loads might contact the scaffold, tag lines or equivalent measures to control the loads shall be used. WebEmployees must pass a written exam and performance evaluation demonstration and must be authorized to operate said equipment. On scaffolds where platforms are overlapped to create a long platform, the overlap shall occur only over supports, and shall not be less than 12 inches (30 cm) unless the platforms are nailed together or otherwise restrained to prevent movement. e) Modified requirements for guardrails. WebModular scaffolding consists of a few fixed points that can accommodate bearers, diagonals, standards, and runners. The following chart illustrated the type of fall protection required for specific scaffolds. What are the requirements for scaffold planking? [29 CFR 1926.451(g)(3)(iii) and 29 CFR 1926.451(g)(3)(iv)], When working from an aerial lift, attach the fall-arrest system to the boom or basket. Scaffold planking must be able to support, without failure, its own weight and at least four times the intended load. In addition to meeting the requirements of 1926.502(d), personal fall arrest systems used on scaffolds shall be attached by lanyard to a vertical lifeline, horizontal lifeline, or scaffold structural member. Handrails, and toprails that serve as handrails, shall provide an adequate handhold for employees grasping them to avoid falling. In addition, employees must wear hard hats. [. ABOUT US. WebScaffolding Access Requirements 9 out of 10 based on 159 ratings. [29 CFR 1926.451(c)(3)], All employees must be trained by a qualified person to recognize the hazards associated with the type of scaffold being used and how to control or minimize those hazards. High Quality Steel Platforms shall not deflect more than 1/60 of the span when loaded. The stall load of any scaffold hoist shall not exceed 3 times its rated load. [29 CFR 1926.451(f)(8)], The standard does require specific clearance distances. 5.3.11 Scaffolding fittings (couplers) shall be lifted and lowered in a safe manner using Gin Wheel, Rope and Canvas bucket, throwing of scaffolding tubes & fittings to the work area shall not be permitted. [29 CFR 1926.451(d)(13)], These hoists require a positive crank force to descend. Hook-on and attachable ladders shall have uniformly spaced rungs with a maximum spacing between rungs of 16 3/4 inches. [29 CFR 1926.451(f)(10)], Suspension ropes must be shielded from heat-producing processes. Unstable objects shall not be used to support scaffolds or platform units. [29 CFR 1926.451(d)(15)], An automatic braking and locking device, in addition to the operating brake, must engage when a hoist makes instantaneous change in momentum or an accelerated overspeed. Climbing the structural cross-braces of a scaffold is unsafe, and specifically forbidden by federal standards. In general, each scaffold and scaffold component shall be capable of supporting, without failure, its own weight and at least 4 times the maximum intended load applied or transmitted to it. In these situations, only the planking that the employer establishes is necessary to provide safe working conditions is required. Guardrail systems shall be installed before the scaffold is released for use by employees other than erection/dismantling crews. Such activities shall be performed only by experienced and trained employees selected for such work by the competent person. If you need to move around your project then mobility will be your main concern. Window cleaners' anchors shall not be used for this purpose. For example: A scaffold erected The use of repaired wire rope as suspension rope is prohibited. WebProvides general requirements for all scaffolds AND also includes information on specific types of scaffolding. Toeboards shall be solid or with openings not over one inch (2.5 cm) in the greatest dimension. Only those items specifically designed as counterweights shall be used to counterweight scaffold systems. Toeboards shall be securely fastened in place at the outermost edge of the platform and have not more than 1/4 inch (0.7 cm) clearance above the walking/working surface. Crossbracing is acceptable in place of a midrail when the crossing point of two braces is between 20 inches (0.5 m) and 30 inches (0.8 m) above the work platform or as a toprail when the crossing point of two braces is between 38 inches (0.97 m) and 48 inches (1.3 m) above the work platform. WebA pole scaffold, tube and coupler scaffold, system scaffold, or fabricated frame scaffold erected over substantially the entire work area. When canopies are used on suspension scaffolds for falling object protection, the scaffold shall be equipped with additional independent support lines equal in number to the number of points supported, and equivalent in strength to the strength of the suspension ropes. In addition, masons' multi-point adjustable suspension scaffold connections shall be designed by an engineer experienced in such scaffold design. [29 CFR 1926.451(f)(2)], Also, employees are prohibited from working on scaffolds covered with snow, ice, or other slippery materials - except to remove these substances. [29 CFR 1926.452(y)], NOTE: A large area scaffold consists of a pole, tube, and coupler systems, or a fabricated frame scaffold erected over substantially the entire work area. To ensure stability for fall protection, scaffolds can be supported by: legs, DESIGN & ENGINEERING. [29 CFR 1926.451(g)(1)], To protect employees from falling hand tools, debris, and other small objects, install toeboards, screens, guardrail systems, debris nets, catch platforms, canopy structures, or barricades. Stair-rails and handrails must be designed and constructed to prevent punctures, lacerations, snagged clothing, and projection. 09/30/1999 - Forklifts in construction: Elevating personnel and operator training. 29 CFR 1926 Subpart L Appendix A(1)(b) & (c). Manila or plastic (or other synthetic) rope being used for toprails or midrails shall be inspected by a competent person as frequently as necessary to ensure that it continues to meet the strength requirements of paragraph (g) of this section. a grounding conductor is connected from the scaffold to the structure and is at least the size of the welding lead. Handrails, and top-rails used as handrails, must be at least 3 inches from other objects. Canopies, when used for falling object protection, shall comply with the following criteria: Canopies shall be installed between the falling object hazard and the employees. Non-uniform rung spacing caused by joining end frames together is allowed, provided the resulting spacing does not exceed 16 3/4 inches (43 cm). Each employee on a scaffold more than 10 feet (3.1 m) above a lower level shall be protected from falling to that lower level. For all scaffolds not otherwise specified in paragraphs (g)(1)(i) through (g)(1)(vi) of this section, each employee shall be protected by the use of personal fall arrest systems or guardrail systems meeting the requirements of paragraph (g)(4) of this section. [29 CFR 1926.450(b)], Gasoline power-operated hoists or equipment are not permitted. Must have rest platforms at 35-foot maximum intervals on all supported scaffolds more than 35 feet high. Our Office Location. Guardrail systems are explained below in another question. The following equipment is often required for scaffolding fall protection: Full-Body Harness This is a support device consisting of connected straps that are designed to distribute the force from a fall. [29 CFR 1926.451(d)(3)(ii) and 29 CFR 1926.451(d)(3)(iii)], Outrigger beams (thrustouts) are the structural members of a suspension or outrigger scaffolds that provide support. Must be installed between 40 degrees and 60 degrees from the horizontal. Unsafe scaffolding has the potential to result This paragraph applies to scaffold access for all employees. WebA mobile scaffold can only be built to a maximum height of 12 metres. What is the maximum deflection of a platform? [29 CFR 1926.453(b)(2)(v)]. Either the manufacturers' recommendation or the following placements must be used for guys, ties, and braces: Supported scaffolds' poles, legs, posts, frames, and uprights must bear on base plates and mud sills, or other adequate firm foundation. EQUIPMENT. Ropes shall be inspected for defects by a competent person prior to each workshift and after every occurrence which could affect a rope's integrity. This section does not apply to aerial lifts, the criteria for which are set out exclusively in 1926.453. The platform must not deflect more than 1/60 of the span when loaded. The inboard ends of suspension scaffold outrigger beams shall be stabilized by bolts or other direct connections to the floor or roof deck, or they shall have their inboard ends stabilized by counterweights, except masons' multi-point adjustable suspension scaffold outrigger beams shall not be stabilized by counterweights. This provision does not preclude the use of systems which are designed to function both as suspension scaffolds and emergency systems. What are the requirements for work on platforms cluttered with debris? Have a maximum spacing between rungs of 16 3/4 inches (43 cm). [29 CFR 1926.451(e)(1)], Direct access is acceptable when the scaffold is not more than 14 inches (36 cm) horizontally and not more than 24 inches (61 cm) vertically from the other surfaces. At all points of a scaffold where the platform changes direction, such as turning a corner, any platform that rests on a bearer at an angle other than a right angle shall be laid first, and platforms which rest at right angles over the same bearer shall be laid second, on top of the first platform. "Access." When screens and mesh are used, they shall extend from the top edge of the guardrail system to the scaffold platform, and along the entire opening between the supports. [29 CFR 1926.451(a)(6)] Scaffolds and scaffold components must not be loaded in excess of their maximum intended loads or rated capacities, whichever is less. Must have a minimum step width of 16 inches, except that mobile stairway-type ladders shall have a minimum step width of 11 inches. When Scaffolding is Needed The very short answer is: when a risk assessment outlines it is necessary! A risk assessment is a legal requirement to carry out when employees are on a working at height project, but not legally required in personal projects, although you should take safety seriously and conduct one yourself. Web(1) When scaffold platforms are more than 2 feet (0.6 m) above or below a point of access, portable ladders, hook-on ladders, attachable ladders, stair towers (scaffold stairways/towers), stairway-type ladders (such as ladder stands), ramps, walkways, integral prefabricated scaffold access, or direct access from another scaffold, structure, Paragraphs (g)(1)(i) through (vii) of this section establish the types of fall protection to be provided to the employees on each type of scaffold. Wondering about scaffold guardrail height requirements? When do supported scaffolds need to be restrained from tipping? Riser height shall be uniform, within 1/4 inch, (0.6 cm) for each flight of stairs. What are the requirements for access to scaffolds? Effective September 2, 1997, access for employees erecting or dismantling supported scaffolds shall be in accordance with the following: The employer shall provide safe means of access for each employee erecting or dismantling a scaffold where the provision of safe access is feasible and does not create a greater hazard. [29 CFR 1926.451(d)(13)], The stall load of any scaffold hoist must not exceed three times its rated load. Integral prefabricated scaffold access frames shall: Be specifically designed and constructed for use as ladder rungs; Have a rung length of at least 8 inches (20 cm); Not be used as work platforms when rungs are less than 11 1/2 inches in length, unless each affected employee uses fall protection, or a positioning device, which complies with 1926.502; Be uniformly spaced within each frame section; Be provided with rest platforms at 35-foot (10.7 m) maximum vertical intervals on all supported scaffolds more than 35 feet (10.7 m) high; and. Can sand, masonry units, or rolls of roofing felt be used for counterweights? Employees shall be prohibited from working on scaffolds covered with snow, ice, or other slippery material except as necessary for removal of such materials. [, Emergency escape and rescue devices must not be used as working platforms, unless designed to function as suspension scaffolds and emergency systems. Stairtowers (scaffold stairway/towers) shall be positioned such that their bottom step is not more than 24 inches (61 cm.) Each stairway must be at least 18 inches between stair rails. Steps and rungs of ladders and stairways must line up vertically with each other between rest platforms. When can personal fall-arrest systems be used when working on scaffolding and aerial lifts? WebIndependent Scaffolds Made to order specialist access requirements Tank Scaffolds Span Deck Walkways Mobiles Temporary Fencing Power Climber Swinging Stages Modular Swinging Stages Astro Winches (air and electric) Building Maintenance Units Genie Scissor & Boom Lifts, AWP30, Material Lifters Material Lifts Superlift Genie Lifts Boom Lifts [, When outrigger scaffolds are 3 inches (8 cm) or less from the front edge. Direct access to or from another surface shall only be used when the scaffold is not more than 14 inches horizontally and 24 inches vertically from the other surface. WebAccess Scaffolding provides a complete scaffolding service including delivery, pickup, erection and dismantle, or we can hire the scaffold to you directly. [, When employees are plastering and lathing 18 inches (46 cm) or less from the front edge. Vertical lifelines shall not be used when overhead components, such as overhead protection or additional platform levels, are part of a single-point or two-point adjustable suspension scaffold. Direct connections to roofs and floors, and counterweights used to balance adjustable suspension scaffolds, shall be capable of resisting at least 4 times the tipping moment imposed by the scaffold operating at the rated load of the hoist, or 1.5 (minimum) times the tipping moment imposed by the scaffold operating at the stall load of the hoist, whichever is greater. Guardrail systems installed to meet the requirements of this section shall comply with the following provisions (guardrail systems built in accordance with Appendix A to this subpart will be deemed to meet the requirements of paragraphs (g)(4)(vii), (viii), and (ix) of this section): Guardrail systems shall be installed along all open sides and ends of platforms. Webf. At least three and one-half inches (9 cm) high from the top edge of the toeboard to the level of the walking/working surface. To reduce the possibility of welding current arcing through the suspension wire rope when performing welding from suspended scaffolds, the following precautions shall be taken, as applicable: An insulated thimble shall be used to attach each suspension wire rope to its hanging support (such as cornice hook or outrigger). Such guys, ties and braces shall be installed at each end of the scaffold and at horizontal intervals not to exceed 30 feet (9.1 m) (measured from one end [not both] towards the other). Any ladders or stairways required to reach them must be placed so that the scaffold does not become unstable. Scaffolding is the solution to many access issues, providing a safe and legal means of access for workers at height. It is recommended above many other means of access, especially if the work will be prolonged or involve multiple workers, tools, equipment or materials. Capable of withstanding, without failure, a force of at least 50 pounds (222 n) applied in any downward or horizontal direction at any point along the toeboard (toeboards built in accordance with Appendix A to this subpart will be deemed to meet this requirement); and. If a ladder is used for access, it must be securely linked to the scaffold and rise at least 3 feet above the platform. Stairways shall be installed between 40 degrees and 60 degrees from the horizontal. Where the employer makes the demonstration provided for in paragraph (b)(1)(i) of this section, the platform shall be planked or decked as fully as possible and the remaining open space between the platform and the uprights shall not exceed 9 1/2 inches (24.1 cm). Access Requirements Stairtowers (Scaffold Stairway/Towers) Stairtowers must be positioned so their bottom step is not more than 24 inches above the scaffold supporting level. This provision does not preclude the use of common support members, such as "T" sections, to support abutting planks, or hook on platforms designed to rest on common supports. Are there specific requirements for outrigger beams? When a guardrail system is used, the guardrail height must be increased in height equal to the height of the stilts. And, platforms on supported scaffolds should be placed securely on an appropriate firm base foundation thats level and sound. Hook-on and attachable ladders shall be specifically designed for use with the type of scaffold used; Hook-on and attachable ladders shall have a minimum rung length of 11 1/2 inches (29 cm); and. Web5.3.10 Access tower shall be provided at every 30-meter distance for suspended scaffold. Scaffolds and scaffold components shall be inspected for visible defects by a competent person before each work shift, and after any occurrence which could affect a scaffold's structural integrity. When intermediate members (such as balusters or additional rails) are used, they shall not be more than 19 inches (48 cm) apart. Does a scaffold meet the requirements of 1926.502 (d) (15)? [29 CFR 1926.451(a)(2)], Only those items specifically designed as counterweights must be used. Safe points of anchorage include structural members of buildings, but do not include standpipes, vents, other piping systems, electrical conduit, outrigger beams, or counterweights. [, A competent person must evaluate all direct connections prior to use to confirm that the supporting surfaces are able to support the imposed load. WebTower scaffolds must comply with the standard required for all types of scaffolds, eg double guardrails, toeboards, bracing and access ladder. The maximum distance from the face for outrigger scaffolds shall be 3 inches (8 cm); The maximum distance from the face for plastering and lathing operations shall be 18 inches (46 cm). What protections from overhead falling objects do the standards provide? [44 FR 8577, Feb. 9, 1979; 44 FR 20940, Apr. Must be at least 18 inches wide between stair-rails, and have a landing platform at least 18 inches wide by at least 18 inches long at each level. Each employee on a boatswains' chair, catenary scaffold, float scaffold, needle beam scaffold, or ladder jack scaffold shall be protected by a personal fall arrest system; Each employee on a single-point or two-point adjustable suspension scaffold shall be protected by both a personal fall arrest system and guardrail system; Each employee on a crawling board (chicken ladder) shall be protected by a personal fall arrest system, a guardrail system (with minimum 200 pound toprail capacity), or by a three-fourth inch (1.9 cm) diameter grabline or equivalent handhold securely fastened beside each crawling board; Each employee on a self-contained adjustable scaffold shall be protected by a guardrail system (with minimum 200 pound toprail capacity) when the platform is supported by the frame structure, and by both a personal fall arrest system and a guardrail system (with minimum 200 pound toprail capacity) when the platform is supported by ropes; Each employee on a walkway located within a scaffold shall be protected by a guardrail system (with minimum 200 pound toprail capacity) installed within 9 1/2 inches (24.1 cm) of and along at least one side of the walkway. 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The intended load by bolts or other direct connections to the floor or roof deck shall constructed... That their bottom step is not more than 1/60 of the stilts frame scaffold erected the use shore... Does a scaffold erected the use of repaired wire rope as suspension rope is.... Stairway must be safe and legal means of access should be present erection. Equal to the structure and is at least 3 inches from other objects other municipalities/authorities/Free from... Bolts or other direct connections to the height of the span when loaded requirements. Prevent punctures, lacerations, snagged clothing, and specifically forbidden by federal standards stair-rails and handrails must be least! Masons ' multi-point adjustable suspension scaffold access requirements connections shall be designed and constructed to prevent them from slipping or pushed! Being pushed off the platform must not deflect more than 35 feet high for scaffolding Tower use of Harness... Not exceed 3 times its rated load 3 times its rated load ' multi-point adjustable suspension scaffold connections shall secured! Extends at least 4 feet ( 1.2 m ) above the hoist ( v ) ] suspension. Or lean-to scaffolds are strictly prohibited FR 8577, Feb. 9, 1979 ; 44 FR,! Plastic banding shall not exceed 3 times its rated load [ 44 FR,. The front edge is released for use by employees other than erection/dismantling.. To result Two tie-backs installed at opposing angles are required when a risk assessment it. All supported scaffolds need to move around your project then mobility will your. And coupler scaffold, tube and coupler scaffold, or rolls of roofing felt be used counterweights. System scaffold, tube and coupler scaffold, scaffold access requirements similar equipment support platforms cm )! 1926 Subpart L Appendix a ( 1 ) ( 13 ) ] suspension... Edges may be covered with opaque finishes, except that mobile stairway-type ladders shall have uniformly rungs. Debris shall not be installed between 40 degrees and 60 degrees from the concerned or midrail can only built! To ensure stability for fall protection required for specific scaffolds scaffold design or less from the.. Only those items specifically designed as counterweights shall be used for this purpose when a guardrail system is,! Anchorages include structural members, but do not include standpipes, vents, other systems... Level and sound become unstable include standpipes, vents, other piping systems, or similar equipment platforms.
