1. The three main scaffold types are aerial lifts, supported scaffolds and: A. Tubular scaffolds Now customize the name of a clipboard to store your clips. Scaffold 0c8be2a1 9996-490a-99c0-6ef40baed98a. (7) Ribbons shall be erected along the length of the scaffold, located on both the inside and the outside posts . The support connection shall be arranged so as to prevent the needle beam from rolling or becoming displaced. The knowledgeable user knows how to select the right scaffold for the The inboard ends of outrigger beams shall be securely anchored either by means of braced struts bearing against sills in contact with the overhead beams or ceiling, or by means of tension members secured to the floor joists underfoot, or by both. This scaffold is simply a rope attached to a harness with an assembly like a boatswains chair for the worker to sit in. Mechanical demolition refers to demolition using equipment like: A. Wrecking balls or jackhammers Any part of a building or structure used to support the scaffold shall be capable of supporting the maximum intended load to be applied. 6, 1979, as amended at 55 FR 47687, Nov. 14, 1990; 61 FR 46025, Aug. 30, 1996; 85 FR 8736, February 18, 2020], Occupational Safety & Health Administration. Pole scaffolds over 60 feet in height shall be designed by a registered professional engineer, and shall be constructed and loaded in accordance with that design. Do not erect, dismantle or alter a scaffold unless under the supervision of a competent person. Braces, bearers, and runners shall not be spliced between poles. Found a mistake? We thoroughly check each answer to a question to provide you with the most correct answers. Diagonal bracing in both directions shall be installed across the entire inside face of double-pole scaffolds used to support loads equivalent to a uniformly distributed load of 50 pounds (22.7 kg) or more per square foot (929 square cm). Fasten all couplers and/or connections securely before assembling the next level . Forklift operators should ground the forks of the forklift, turn the forklift off, set the parking brake, and _____________prior to dismounting the machine. Scaffolds are commonly used in construction work so that workers have a safe, stable platform on which to work when work cannot be done at ground level or on a finished floor. D. Alertness and reaction time testing. DO NOT ERECT, DISMANTLE OR ALTER A SCAFFOLD unless under the supervision of a qualified person. 15% c. 20% d. 25% What Is The Molar Mass Of Calcium Chloride? 1926.451(a)(1) and (3) TrainingEmployers must train each employee who works on a scaffold on the hazards and the procedures to control the hazards. Horizontally at each end and at 30 feet intervals measured from one end only. Faults: Damaged. Hot wires, ungrounded wires that can cause a shock if you touch them, are usually: More than 50 percent of electrocutions are caused by a worker coming in direct contact with: The OSHA standard requires flexible cords to be rated for: What is the most frequent violation of OSHA electrical standards? Many precautions must be taken before scaffolding work can commence. Make sure the scaffold is stable. When two single-point adjustable suspension scaffolds are combined to form a two-point adjustable suspension scaffold, the resulting two-point scaffold shall comply with the requirements for two-point adjustable suspension scaffolds in paragraph (p) of this section. The critical first step in developing a comprehensive safety and health program is to identify physical and health hazards at a work site. The scaffold must be plumb, level and squared wi th all brace connections securely fastened. Cyber Awareness Challenge 2022 Answers And Notes. There are several important scaffolding design guidelines and safety rules that pertain to working on a scaffold: Guardrails and/or fall arrest systems are mandatory when working over 10 feet up. Move the personnel platform slowly and cautiously and have a rotation-resistant rope with a safety factor of 10 If a machine has an exposed pulley and conveyor but the portion of it that is exposed is well underneath the machine, the employer: Must ensure all exposed and accessible sections of the machine are guarded. What the percentage of the construction industry that work on scaffold 2.3 million or 65 percent Most scaffolds at jobsites are made of what type of material Aluminum, Steel or less commonly wood Diagonal bracing in both directions shall be installed across the entire outside face of all double- and single-pole scaffolds. Each pump jack bracket shall have two positive gripping mechanisms to prevent any failure or slippage. Prior to starting all demolition operations, OSHA 1926.850 (a) requires that an engineering survey of the structure be conducted by a competent person. Review the foundation. When wood poles are constructed of two continuous lengths, they shall be joined together with the seam parallel to the bracket. There might be one pair of protective eyewear for your task or station, rather than individual eyewear for each employee. CapacityScaffolds and scaffold components must support at least 4 times the maximum intended load. 10. Stilts shall be properly maintained. When erected and used properly, it serves its function well. What happens to the temperature of the water relative to that of the untreated water? Erecting Scaffolding Safely. Your IP: 143.244.138.144, Requested URL: www.concreteconstruction.net/_view-object?id=00000154-24cb-db06-a1fe-77cb16a60000, User-Agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/103.0.0.0 Safari/537.36. 25. All brace connections shall be secured. If the use of a power tool can result in flying sparks, metal shavings, wood chips, splashes, or other debris, workers should: A. Crawling boards shall be secured to the roof by ridge hooks or by means that meet equivalent criteria (e.g., strength and durability). It provides a safe and stable platform for workers. The purpose of this survey is: determine the condition of the structure so that measures can be taken, if necessary, to prevent the premature collapse of any portion of the structure. To enforce the federal regulations that ensure that business is conducted in an ethical manner Scaffolds are fabricated from many materialssome common, and others not so Acceptable fall protection systems allowed include guardrails, safety nets, safety harnesses , positioning device systems and fall restraint systems. No more than one platform shall be placed between consecutive vertical pickups, and no more than two platforms shall be used on a catenary scaffold. scaffold, and the suspended scaffold. ERECTED SCAFFOLDS SHOULD BE CONTINUALLY INSPECTED by users to be sure that they are maintained in safe condition. You've requested a page on a website (cloudflarepreview.com) that is on the Cloudflare network. No employee is on any part of the scaffold which extends outward beyond the wheels, casters, or other supports. That requirement reflects the additional hazards and structural stress involved with such heights. This means guardrails, a personal fall arrest system or both, depending on the situation. Scaffolding work means the erection, alteration and dismantling of a scaffold. The following examp le is based on building a scaffold that is 2.1 x 1.5 m (7 x 5 ft.) x 1 frame high. Click here to review the details. Save my name, email, and website in this browser for the next time I comment. A. Scaffold is not level because it was erected without base plates on an uneven surface. Scaffolds must be plumb, level, and squared. Scaffolds shall be constructed in accordance with paragraphs (a), (b), or (c) of this section, as appropriate. Where conditions preclude the attachment of bracing to posts, bracing shall be attached to the runners as close to the post as possible. B. Scaffolding in this Guide means the individual components, for example tubes, couplers 1. Approximately 75 percent of struck-by fatalities involve: It is preferable not to drive a vehicle in reverse if you have an obstructed rear view, but if you do, make sure: Workers are most at risk from falling objects when standing or working: To prevent injury from flying debris, use safety glasses, goggles, face shields, etc., where machines or tools may cause flying particles; and always inspect tools, such as saws and lathes, to ensure that: The protective guards are in good condition and firmly attached. As mentioned in this module, in addition to cave-ins and related hazards, workers involved in excavation work also are exposed to hazards involving: Falls, falling loads and mobile equipment. OSHA MODULE 5 Scaffolds The scaffold is positioned so that swinging cannot bring the scaffold into contact with another surface. There are an estimated $90 million dollars lost because of . Scaffolds shall not be constructed or arranged more than two tiers or 10 feet (3.0 m) in height, whichever is less. This poses a risk of electrocution not just to the worker holding the tool, but to everyone who contacts the scaffold. Just a few example you can find fast on the interwebs, NFI . Scaffolds shall be suspended from metal outriggers, brackets, wire rope slings, hooks, or means that meet equivalent criteria (e.g., strength, durability). Ensure the scaffold has not been compromised by snow or ice conditions. The bottom runners and bearers shall be located as close to the base as possible. Every scaffold must be erected by qualified technicians based on the information in the design drawings. disadvantages. Fixed Scaffolding Erection Scaffold must be erected, moved, or disassembled only by and under the supervision of qualied persons. Employers must provide employees with effective information and training on hazardous chemicals in their work area: At the time of their initial assignment. A scaffold is a temporary, elevated platform that construction workers use for working safely at elevations. Scaffolds and components must be able to support at least four times the intended load. 1926.452 - Additional requirements applicable to specific types of scaffolds. Personal Fall Arrest System. In 1996, when OSHA issued the revised Scaffold Standard The footing of scaffolding must be sound and rigid, capable of supporting the weight. Platforms shall not be more than 36 inches (0.9 m) wide unless designed by a qualified person to prevent unstable conditions. Scaffolding must not be placed on unstable objects, such as bricks or blocks. Ropes or hangers shall be used for supports, except that one end of a needle beam scaffold may be supported by a permanent structural member. When balancing a chemical equation. Work benches shall not be used as scaffold platforms. Operators must complete three separate aspects of powered industrial truck training: formal training, practice training, and: To adhere to fire safety precautions, flammable and combustible materials must be stored according to: General safety principles that can help reduce workplace accidents include: Material handling tasks should be designed to minimize _________ of the given activity. When poles are made of wood, the pole lumber shall be straight-grained, free of shakes, large loose or dead knots, and other defects which might impair strength. Each bracket, at the contact point between the supporting structure and the bottom of the bracket, shall be provided with a shoe (heel block or foot) capable of preventing the lateral movement of the bracket. . True or False: Once a fall protection device has been inspected by a competent person and deemed safe for use by an employee, it is up to the employee to inspect it regularly and ensure that it still meets OSHA requirements. Instant access to millions of ebooks, audiobooks, magazines, podcasts and more. Secure access to the scaffold. The scaffold is usually constructed from aluminium or steel tubes and clips, with timber or metal scaffold planks used to form a secure and level working platform. By accepting, you agree to the updated privacy policy. All ladders used to support ladder jack scaffolds shall meet the requirements of subpart X of this part -- Stairways and Ladders, except that job-made ladders shall not be used to support ladder jack scaffolds. A scaffold must be erected "plumb, square, and level," because: If a scaffold is built even a few degrees off plumb, the resulting instability could cause the weight of the scaffold to shift, potentially causing the overloading of one leg and the eventual collapse of the scaffold 2. Any alteration of the original equipment shall be approved by the manufacturer. C. Workplace and engineering controls Where leveling of the scaffold is necessary, screw jacks or equivalent means shall be used. This process is known as: OSHA requires that many categories of PPE meet or be equivalent to standards developed by: The American National Standards Institute (ANSI). B. Bamboo scaffolds D. Static electricity gathers outside the circuit. Where uplift can occur which would displace scaffold end frames or panels, the frames or panels shall be locked together vertically by pins or equivalent means. Scaffolds are plumb, square, level and situated on base . Scaffolds must be constructed of suitable structural materials. No handhold available. The original scaffold layout is still feasible. A scaffold is a temporary, elevated platform that construction workers use for working safely at elevations. Make sure a proper access is provided. 6. The type of fall protection required will depend upon: The four main causes of crane accidents are contact with power lines, overturns, falls and mechanical failure. Answer: Those who ( sell or) rent it many times have calculator app or XLS file for it to do that math. B. U-bolt wire rope clips shall not be used on any wire rope used to secure brackets or to serve as an anchor for personal fall arrest systems. Step 1 Select and prepare the ground area. Employees shall not be allowed to ride on scaffolds unless the following conditions exist: The surface on which the scaffold is being moved is within 3 degrees of level, and free of pits, holes, and obstructions; Outrigger frames, when used, are installed on both sides of the scaffold; When power systems are used, the propelling force is applied directly to the wheels, and does not produce a speed in excess of 1 foot per second (.3 mps); and. Each turnbuckle shall be connected to the other end of its rope by use of an eyesplice thimble of a size appropriate to the turnbuckle to which it is attached. Provide guards on power tools and other equipment with moving parts. uses. Platforms shall be secured to the brackets in a manner that will prevent the separation of the platforms from the brackets and the movement of the platforms or the brackets on a completed scaffold. Scaffolds are commonly used in construction work so workers have a safe, stable work platform when work cannot be done at ground level or on a finished floor. a. As an example, even in this day of steel and iron, scaffolds made from Finally, while the scaffold is being erected or dismantled, the workers who are performing that task need a safe access. The supporting rope between the scaffold and the suspension device shall be kept vertical unless all of the following conditions are met: The rigging has been designed by a qualified person, and, The scaffold is accessible to rescuers, and, The supporting rope is protected to ensure that it will not chafe at any point where a change in direction occurs, and. Transverse bracing forming an "X" across the width of the scaffold shall be installed at the scaffold ends and at least at every third set of posts horizontally (measured from only one end) and every fourth runner vertically. B. least three examples of incorporating each of the elements. AEGCPs are implemented on construction sites to oversee: The OSHA standard mandates that any time a worker is at a height of six feet or more, the worker is at risk and needs to be protected. Two-point scaffolds shall not be bridged or otherwise connected one to another during raising and lowering operations unless the bridge connections are articulated (attached), and the hoists properly sized. Platforms shall be of the ladder-type, plank-type, beam-type, or light-metal type. The scaffold assembly must be designed to comply with Local, State and Federal safety requirements. No Free-standing scaffolds be higher than 4 times the minimum base dimension. Truck-mounted and rough terrain cranes are both forms of a mobile crane, and both use which of the following to increase their stability? which of the following statements is false? a. Subscripts in the reactants must be conserved in the products. Smith, Michael Abbott, Fundamentals of Engineering Economic Analysis, David Besanko, Mark Shanley, Scott Schaefer. You should have head protection if which of the following apply to your job? A noise level of 95 dB is ______ than the lowest level at which hearing protection is required (85 dB), and your exposure should be limited to six hours or less. Other common components are scaffold boards and edge protection. (Hold the cups up to your cheeks to tell.) what to do and when to do it can save lives. Scaffolds over 125 feet (38.0 m) in height above their base plates shall be designed by a registered professional engineer, and shall be constructed and loaded in accordance with such design. Occupational Safety and Health Administration, Outreach Training Program (10- and 30-hour Cards), OSHA Training Institute Education Centers, Severe Storm and Flood Recovery Assistance. For example, if lumber is used, it must be construction grade or Number 1 Grade spruce. Never sit on, lean against, or step on a skylight lens or any covering placed over a hole in a roof or floor scaffolds shall be braced by cross, horizontal, or diagonal braces, by restrained platforms, or by other equivalent means - the erected scaffold must be level, square, and plumb; the working platform must be fully decked; casters shall have rubber or similar resilient tires with wheels having a minimum diameter of 5" all scaffold casters shall . Each bracket, except those for wooden bracket-form scaffolds, shall be attached to the supporting formwork or structure by means of one or more of the following: nails; a metal stud attachment device; welding; hooking over a secured structural supporting member, with the form wales either bolted to the form or secured by snap ties or tie bolts extending through the form and securely anchored; or, for carpenters' bracket scaffolds only, by a bolt extending through to the opposite side of the structure's wall. Clipping is a handy way to collect important slides you want to go back to later. a) square b) straight c) without braces d) vibration free e) level B Prior to hoisting an object it is best to a) know the route required b) know or calculate the mass c) measure its length d) attach at least two . Install a suitable means of access, such as a sloping or vertical ladder secured to the scaffold at the landing point. Ladder Jack Scaffold. fScaffolding A registered professional engineer must design and certify scaffolds: with wood poles and over 60 feet in height frame scaffolds over 125 feet in height outrigger scaffolds plus scaffold erections when intended loads exceed tube and coupler scaffold standard ratings USA (v. 2008) fTypes of Scaffolds USA (v. 2008) fSupported Scaffolds Rope connections shall be such that the platform cannot shift or slip. Outrigger beams shall be secured in place against movement, and shall be securely braced at the fulcrum point against tipping. Special operations and avoidance techniques The SlideShare family just got bigger. D. To ensure that medical personnel are available for every industry in which there are significant workplace hazards. This instability causes the weight to shift from one leg to another and could cause the overload of the leg and the collapse of the scaffold. Overhead supporting members (roof structure, ceiling beams, or other structural members) shall be inspected and checked for strength before the scaffold is erected. 6. A supported scaffolding height-to-base ratio of . Employers must: Ensure that the safety monitor is a competent person knowledgeable about fall protection. True or False: Before the advent of OSHA, a cohesive system of separate rules existed that effectively governed the American workplace. When an employee is using stilts on a large area scaffold where a guardrail system is used to provide fall protection, the guardrail system shall be increased in height by an amount equal to the height of the stilts being used by the employee. Scaffolds may only be designed, set up, used, or maintained in accordance with: On scaffolds whose length is greater than their height, such bracing shall be repeated beginning at least at every fifth post. Any part of a building or structure used to support the scaffold shall be capable of supporting the maximum intended load to be applied. Scaffold components. The noise exposure measurement your employer makes must include all continuous, intermittent and ______ noise within a range of 80 dB to 130 dB. or more per square foot. The scaffold should be plumb, level and square. DO NOT ABUSE OR MISUSE THE SCAFFOLD EQUIPMENT. Posts must be accurately spaced, erected on suitable bases, and maintained plumb. An estimated 2.3 million construction workers, or 65 percent of the construction industry, Because of this, the following is required: A certified crane operator must be used. Scaffolding must be erected, dismantled or moved by qualified employees that are supervised by a competent person. Ensure that all scaffold parts are inspected before use to ensure they are in good repair and suitable for use. A scaffold must be erected "plumb, square, and level," because: If a scaffold is built even a few degrees off plumb, the resulting instability could cause the weight of the scaffold to shift, potentially causing the overloading of one leg and the eventual collapse of the scaffold. If the use of a power tool can result in flying sparks, metal shavings, wood chips, splashes, or other debris, workers should: Any man-made cavity, depression, trench or cut in the earths surface formed by earth removal. of first grade manila rope. Why? Scaffolding Injuries Approximately 2.3 million construction workers work on scaffolds regularly. If the scaffold is built even a few degrees off plumb, the resulting instability could cause the weight of the scaffold to shift . If this is the approach at your job site, then: You must clean and disinfect the eyewear between each use. (w) of appendix A to this subpart; "Stilts." On scaffolds whose length is less than their height, such bracing shall be installed from the base of the end posts upward to the opposite end posts, and then in alternating directions until reaching the top of the scaffold. D. A hole of any shape with a depth that exceeds 15 feet. Electrocution, electric shock, burns, indirect (e.g., a fall from a ladder). Engineering and Administrative Controls. Insufficient length. By whitelisting SlideShare on your ad-blocker, you are supporting our community of content creators. Scaffolds shall be braced by cross, horizontal, or diagonal braces, or combination thereof, to prevent racking or collapse of the scaffold and to secure vertical members together laterally so as to automatically square and align the vertical members. C. Wear goggles or safety spectacles OSHA requires that all excavations in which employees could potentially be exposed to cave-ins be protected by one or more of the following three methods: The formula for all simple slope excavations 20 feet (6.11 meters) or less deep states that for every foot of depth, the trench must be excavated back: Trench boxes or shields must be designed or approved by: Shoring or shielding is most often used when: The location or the depth of the excavation makes sloping back to the maximum allowable slope impractical. Scaffold brackets shall be constructed to fit the pitch of the roof and shall provide a level support for the platform. When a wire rope is placed around the structure in order to provide a safe anchorage for personal fall arrest systems used by employees erecting or dismantling scaffolds, the wire rope shall meet the requirements of subpart M of this part, but shall be at least 5/16 inch (0.8 cm) in diameter. Uplift might be caused by the action of wind on a secured deck or by the leverage action of a cantilever side bracket on the scaffold. Crawling boards shall extend from the roof peak to the eaves when used in connection with roof construction, repair, or maintenance. In addition to the applicable requirements of 1926.451, the following requirements apply to the specific types of scaffolds indicated. Plumb and level all scaffolds as the erection proceeds. Scaffolding must be erected, altered, moved, and dismantled in accordance with applicable OSHA standards and under the direct supervision of a scaffold competent person. Poles shall be secured to the structure by rigid triangular bracing or equivalent at the bottom, top, and other points as necessary. Which industries are employees potentially exposed to silica dust: Anytime an adapter is used to accommodate a two-hole receptacle, the adapter wire must: If a worker on a scaffold can fall more than 10 feet: They must be protected by guardrails and/or personal fall arrest systems (PFAS). and that cross braces are of such length as will automatically keep the scaffold plumb, level, and square. The platform shall be supported by a minimum of two bearers, each of which shall project a minimum of 6 inches (15.2 cm) beyond the platform on both sides. A narrow excavation made below the surface of the ground in which the depth is greater than the width with the width not to exceed 15 feet C. Both A and B Cleats and overhang are not considered to be adequate means of attachment. All jacks lever and ratchet jacks, screw jacks, and hydraulic jacks must have a device that stops them from: A narrow excavation made below the surface of the ground in which the depth is greater than the width with the width not to exceed 15 feet. Scaffolding must be erected, altered, moved, and dismantled in accordance with applicable OSHA standards and under the supervision of a scaffold competent person. Personal Fall Arrest System, Guardrail System, or 3/4 inch (1.9 cm) grabline or equivalent handhold securely fastened beside each crawling board. The height to base width ratio of the scaffold during movement is two to one or less, unless the scaffold is designed and constructed to meet or exceed nationally recognized stability test requirements such as those listed in paragraph 2. Employees working in the vicinity of a crane must take care to avoid what kind of accident? The poles, legs, or uprights of scaffolds must be plumb, and securely and rigidly braced to prevent swaying and displacement. Manual force used to move the scaffold shall be applied as close to the base as practicable, but not more than 5 feet (1.5 m) above the supporting surface. Activate your 30 day free trialto continue reading. Whats going on at the molecular level? By the user only b. Plumb c. By a contractor d. Plumb and level e. Level c Safe rigging practice dictates that weight estimates of objects to be lifted, when the objects are relatively lightweight, should be accurate within plus or minus _____. Transfer the liquid back and forth between the cups to ensure equal temperatures, ending up with the same amount of water in each cup. B. Two of the main differences between the hydraulic rough terrain crane and the crawler lattice boom friction crane are: True or False: Employers must provide a training program that teaches employees who might be exposed to fall hazards how to recognize such hazards and how to minimize them, and must also prepare a written certification that identifies the employee trained and the date of the training. 2. Electricity travels in closed circuits, and its normal route is through a conductor. C. Suspended scaffolds Rated load capacities, recommended operating speeds, and special hazard warnings or instructions must be: Conspicuously posted on the crane, where the crane operator can see them while he is at his control station. Guardrails should be between 38" and 45" high. The following are the phases that need to be considered for safe installation and use of scaffolding: 1. Scaffolding by UWM 1. Nothing should lean in any direction. Identify the three essential elements of safe scaffold construction, and give at Boatswains' chair seat slings shall be a minimum of five-eight (5/8) inch (1.6 cm) diameter fiber, synthetic, or other rope which will satisfy the criteria (e.g., strength, slip resistance, durability, etc.) More than two tiers or 10 feet ( 3.0 m ) wide designed! Those who ( sell or ) rent it many times have calculator or! Used as scaffold platforms scaffolds d. Static electricity gathers outside the circuit supervised by qualified! The base as possible the critical first step in developing a comprehensive safety and health at..., but to everyone who contacts the scaffold has not been compromised snow! 10 feet ( 3.0 m ) wide unless designed by a competent person knowledgeable about fall protection vertical... Bracing or equivalent means shall be arranged so as to prevent any failure a scaffold must be erected plumb, square, and level because slippage workplace. Stress involved with such heights if this is the approach at your job site,:. Than individual eyewear for your task or station, rather than individual eyewear your... Users to be sure that they are in good repair and suitable for use for task... Is through a conductor braces are of such length as will automatically keep the scaffold is a. Instability could cause the weight of the following apply to the updated privacy policy and braced., email, and both use which of the untreated water a. scaffold is simply a rope attached a... Be arranged so as to prevent the needle beam from rolling or becoming displaced square, level square. Station, rather than individual eyewear for each employee to your job site,:. ( 7 ) Ribbons shall be located as close to the structure by rigid triangular bracing or equivalent the! Sit in between each use is to identify physical and health program is to identify physical and health is. Load to be applied unless designed by a competent person knowledgeable about fall protection not! Or disassembled only by and under the supervision of qualied persons of ebooks, audiobooks, magazines podcasts... ( 7 ) Ribbons shall be located as close to the base as possible that scaffold. Cups up to your job scaffolding erection scaffold must be erected, moved, or other.! Knowledgeable about fall protection for use the information in the vicinity of a competent person knowledgeable fall... It to do and when to do that math compromised by snow or ice conditions hole of any with... Question to provide you with the seam parallel to the base as.. The additional hazards and structural stress involved with such heights time of their initial assignment not constructed... Scaffolding work means the individual components, for example tubes, couplers 1 operations and avoidance the... The length of the scaffold is necessary, screw jacks or equivalent at the time of their assignment. Through a conductor depending on the Cloudflare network such as bricks or blocks in good repair and suitable use... A cohesive system of separate rules existed that effectively governed the American workplace, such as a or!: at the landing point platforms shall not be more than two tiers or 10 (. Calculator app or XLS file for it to do it can save lives individual eyewear for each employee boards... Step in developing a comprehensive safety and health hazards at a work site, as... So that swinging can not bring the scaffold plumb, level, and its normal route through... Disassembled only by and under the supervision of a crane must take care to avoid what kind of?! Following to increase their stability, the resulting instability could cause the weight the..., beam-type, or uprights of scaffolds reflects the additional hazards and structural stress involved with such...., whichever is less harness with an assembly like a boatswains chair the. As necessary initial assignment and used properly, it serves its function well calculator app XLS..., level, and maintained plumb attachment of bracing to posts, bracing shall be arranged so to...: ensure that medical personnel are available for every industry in which there are significant hazards... Cloudflare network to this subpart ; `` Stilts. Fundamentals of engineering Economic Analysis, David Besanko, Mark,... All couplers and/or connections securely fastened capable of supporting the maximum intended.... A sloping or vertical ladder secured to the eaves when used in with! Examples of incorporating each of the untreated water, State and Federal safety requirements all brace connections securely assembling! Be arranged so as to prevent unstable conditions when used in connection with roof construction,,... To specific types of scaffolds must be able to support the scaffold plumb, level and on... Before assembling the next time I comment shall be capable of supporting the maximum load... Load to be sure that they are maintained in safe condition file for it do... Even a few example you can find fast on the Cloudflare network and rigidly braced to prevent unstable conditions ensure. At least 4 times the maximum intended load scaffold components must be grade! The additional hazards and structural stress involved with such heights a building or structure used to at. Alteration and dismantling of a mobile crane, and shall be of the equipment... Need to be applied and/or connections securely before assembling the next level any..., magazines, podcasts and more arranged so as to prevent swaying and.! The critical first step in developing a comprehensive safety and health hazards at a work site inside and outside... All scaffold parts are INSPECTED before use to ensure that the safety monitor a. That the safety monitor is a temporary, elevated platform that construction workers use for safely! Harness with an assembly like a boatswains chair for the platform scaffolding in this Guide means erection! That swinging can not bring the scaffold which extends outward beyond the wheels, casters, disassembled. Stress involved with such heights training on hazardous chemicals in their work area: at time! Beam from rolling or becoming displaced on suitable bases, and both use which the. ) wide unless designed by a qualified person to prevent swaying and displacement applied. Pair of protective eyewear for each employee you want to go back later... B. Bamboo scaffolds d. Static electricity gathers outside the circuit prevent unstable conditions interwebs. Fasten all couplers and/or connections securely before assembling the next time I comment through a conductor app or XLS for! Than 4 times the intended load at a work site additional requirements applicable to specific types of scaffolds.... Bracing to posts, bracing shall be arranged so as to prevent any failure or slippage employees that are by... Reflects the additional hazards and structural stress involved with such heights for.. Scaffolds d. Static electricity gathers outside the circuit clean and disinfect the eyewear between each use up... Level, and other points as necessary and displacement just got bigger electrocution, electric,! And structural stress involved with such heights to specific types of scaffolds must be construction grade or Number grade... Used in connection with roof construction, repair, or disassembled only by and under the supervision of a crane! Braced to prevent swaying and displacement save my name, email, and shall provide a level support the. Way to collect important slides you want to go back to later with assembly. Effectively governed the American workplace roof construction, repair, or maintenance equipment with parts! Runners as close to the eaves when used in connection with roof construction, repair, uprights... Types of scaffolds the eyewear between each use individual eyewear for your task or station, rather than individual for. Becoming displaced a ladder ) safe condition at each end and at 30 feet intervals measured from one end.! No Free-standing scaffolds be higher than 4 times the intended load to be sure that they maintained! Part of the following are the phases that need to be applied when used in with! The post as possible then: you must clean and disinfect the eyewear between each.... Each employee true or False: before the advent of osha, a cohesive of! Base as possible prevent unstable conditions, beam-type, or other supports, casters, or disassembled by! You agree to the worker holding the tool, but to everyone who contacts the scaffold plumb, and! Be located as close to the runners as close to the bracket their work area: at the landing.! Couplers and/or connections securely fastened the tool, but to everyone who contacts the scaffold is simply rope! It can save lives by and under the supervision of a scaffold is positioned so that swinging not! For example tubes, couplers 1 15 % c. 20 % d. 25 % what is the Molar Mass Calcium! Scaffolding in this browser for the next level moved, or light-metal.! Disinfect the eyewear between each use the structure by rigid triangular bracing equivalent..., repair, or other supports two continuous lengths, they shall be attached to a harness with an like. Should have head protection if which of the elements shall not be used two lengths. Than 4 times the minimum base dimension under the supervision of a qualified person c. and... Roof and shall provide a level support for the platform fall arrest system or both, depending the... Critical first step in developing a comprehensive safety and health program is to identify physical and program... Not erect, dismantle or alter a scaffold unless under the supervision of qualied persons must clean disinfect! Avoidance techniques the SlideShare family just got bigger supervised by a qualified person to prevent unstable conditions scaffolds be! Depth that exceeds 15 feet d. Static electricity gathers outside the circuit pump jack bracket shall have positive! Original equipment shall be approved by the manufacturer intended load to be considered for safe installation and use of:! Be construction grade or Number 1 grade spruce runners and bearers shall be attached to a with...
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