Silty clay soils are classified as type ____ soil and require a simple slope of ____ horizontal to ____ vertical. When are employees required to wear safety glasses or eye protection? Reshoring means the supporting members that resist a comprehensive force imposed by a load. The heat produced by an arc flash is ___ times hotter than the surface of the sun. W-beam Highway Guardrail W-beam highway guardrail sets on the roadside or middle of the road, especially on sharp curves and slops. If a respirator is required to protect employees, what determines the type of respirator that is used? How often shall safety nets be inspected? ___ Mesh gloves protects against cuts and lacerations. What would be the MOST LIKELY reason he suffered no electricity-related injuries? For the scaffold to support a maximum weight of 25 pounds per square foot, the needle beams need to be 4 x 6 inches in cross-section with a maximum span of 10 feet, while the platform must have a maximum span of 8 feet. Above 30 - Guardrails Above 48 - Barriers. Guardrail top and bottom measurements for 2-5. (___ are the most injured body part in the workplace). Bi-directional equipment such as rollers should be provided with audible alarm systems for either direction. How is the travel distance of the trolley limited on a tower crane? a) Why does computer hardware cost so much? whenever there is a chance for displacement. Exits shall be marked by readily visible signs. Under certain circumstances, which one of these engineering controls can create a caught-between hazard? Lumber piles shall not exceed _____ feet in height provided that lumber to be handled manually shall not be stacked more than _____ feet high. Mounting brackets can be attached vertically or horizontally to wood, steel, and concrete. According to statistics, what is the most common electricity-related direct injury? A competent person designated by the employer. Procedures to follow to operate the plant until it can be evacuated. These base systems are easily assembled and disassembled. Master links, shackles, wire ropes, and all other rigging hardware must be capable of supporting at least _____ times the maximum intended load without failure. The employer is responsible for training employees in the use of fall protection. The coupler in a tube and coupler scaffold is used to _____ the tubes. whenever noise levels and duration exceed those specified in Table D-2 in 1926.52. When masonry blocks are stacked higher than _____ feet, the stack shall be tapered back one-half block per tier. The top edge of a guardrail must not deflect more than three inches when ___ pounds is applied in a downward direction. A platform can be provided over the lower run of horizontal belts and must be guarded on either side by a railing completely filled in with wire mesh or other filler, or by a solid barrier. Each employer is responsible for requiring the wearing of appropriate personal protective equipment. How long is it safe for an employee to be exposed to a noise level of 115 decibels? Phone: (888) 246-6999 Website: The work area is more, compared to the compact safety ladder. There are two major categories of respirators: Neoprene or nitrile boots are often required to prevent penetration when an employee is working with _____. After a fall, a suspended worker must keep his arms and legs moving to keep circulation going and avoid orthostatic intolerance, by two bearers hung from an overhead support. It is April 26, and as Rita gathers her power tool flexible cords to begin the day, she notices the inspector's tape is white. The Guardian Fall Protection Guardrail is part of the ultimate free-standing fall prevention system—the G-Rail. Guardrails around exposed cranks and connecting rods must be _____ inches high. Under OSHA guidelines who is qualified to design and plan lift-slab operations? This scaffold consists of a number of horizontal and parallel ropes that are used to support a platform (usually wooden) on which personnel and/or materials are placed. What hand signals should crane operators and assistants use? ... A fixed ladder's side rails must extend at least _____ inches above … At what intervals (maximum vertical rise) must there be stairway landings? ___ gloves provides the highest permeation resistance to gas or water vapors. What essential construction protective device presents the greatest risk for causing a caught in between hazard? Effective September 2, 1997, employers are required to provide fall protection for employees erecting and dismantling supported scaffolds where... -the installation and use of such protection does not create greater hazard. ADGA Scorecard 16 terms. Body belts have been found to cause internal injuries when used to arrest falls. When are ladders supposed to be tied off? ___ are the second most injured body part in the workplace. You need Barriers on stairs at or above_____ 48in. Hoses on pneumatic equipment can be used for lowering and hoisting pneumatic equipment as long as the pressure is released from the equipment prior to lowering or hoisting. Those employees required for erection of those members. Who must provide fire fighting equipment? Warning lines must be rigged and supported so that the lowest point is never less than ___ inches from the walking/working surface. Software is a product, and can be manufactured using the same technologies used for other engineering artifacts. ... OSHA requires that the competent person perform two visual and two manual tests on a soil sample fresh out of the ground and not impacted by weather conditions at the site. Fiberglass guardrail system where metal railing can’t be used. Cranes should not be operated within _____ feet of a 50 kV power line. ), The type of chemical or physical properties of the contaminant. How often should portable fire extinguishers be inspected? Guardrails. When __________ are provided, they shall be heated, ventilated, and lighted. The operation of laser systems shall be prohibited, where practical, if it is raining or snowing or there is fog or dust in the air. How often do respirators need to be cleaned or disinfected? What are the responsibilities of the construction personnel with regard to housekeeping? CAI Safety Systems offers permanent safety guardrails for fall protection that comes in different lengths and mounting options to address worksite needs. These systems are offered in selections, such as non-penetrating, fixed and portable, to fit your passive fall protection system … What type of material are bullfloat handles, which might come in contact with energized electrical lines, supposed to be made of? When the worksite cannot be accessed in any other way. Stackable Guardrails. Electrical installations having exposed live parts over 600 volts shall be accessible to qualified persons only. 2. Active systems; personal arrest system (PFAS). Have a three-wire cord plugged into a grounded receptacle. What language(s) are SDS sheets required to be in? The strongest guardrail option is utilizing a manufacturer who produces industrial strength guardrail. “We are all familiar with guardrails on highways. A. The maximum pressure allowed for compressed air used for cleaning is _____ psi. A difference of potential (voltage reading) exists between any two phase conductors, or any phase conductor and a grounded part (grounded systems only). A means of ensuring that cranes are not overloaded, The principle stating that the rotation of the cab or boom changes the center of gravity; also known as fulcrum, Cranes must be uniformly level within ______ percent of level grade and located on firm footing. _________________________ means a record concerning the health status of an employee which is made or maintained by a physician, nurse, or other health care personnel, or technician, including: medical and employment questionnaires or histories (including job description and occupational exposures), the results of medical examinations, medical opinions, diagnoses, first aid records, etc. Wooden handles on hand tools can have cracks or splinters provided they are properly taped or otherwise repaired to prevent potential hazards to employees. The most important fall protection a worker can receive from an employer the first day on the job is: Raul's supervisor tells him to construct a schedule 40 pipe guardrail around at the leading edge of the top floor. Guardrails. Combine rails, posts, and gates to make a custom guardrail system. Guardrail systems must be enclosed from the toe board to mid-rail with expanded metal having openings no greater than _____ inch(s). Underground tanks shall not be abandoned. How long does an employer have in which to produce access to medical records of employees? By the tape's color, Rita knows the cord was inspected at the beginning of _____. These are scaffolds that consist of one or more platforms elevated on poles and beams which are placed upon a solid ground. Before any scaffold is moved it is mandatory that all persons on the scaffold... A stairway or ladder must be provided at all points of employee access where there is a break in elevation of ____ inches or more, and no ramp, runway, or personnel hoist is provided. Remove all scrap lumber, protruding nails, and debris from work areas. Class C (Conductive) hard hats are designed for comfort. Supported scaffold poles, legs, posts, frames, and uprights... shall be plumb and braced to prevent swaying and displacement. Guardrail systems should be surfaced so to prevent injury to employees from puncture, laceration, and to prevent snag of clothes. They also help insulate hands from mild heat or cold. Windows in a crane cab must be made of ___ that prevents distortion. Contractors can get fairly even grading, but it will rarely be perfect enough to be spot on the design height. In no case shall the prime contractor be relieved of overall responsibility for compliance with this Act. Can be fixed to various roof or platform types; fixing is dictated by whether parapet is present, and weatherproofing methods used on the building. What type of fire extinguisher would you select for fires that are fueled by flammable liquids, gas, oils, paints, and grease? Any lifeline, safety belt, or lanyard actually subjected to in-service loading, as distinguished from static load testing, may continue to be used until signs of wear are noticed. square and what color? They are put there to keep a simple mishap from turning into a full-blown catastrophe. What is the Threshold Limit Value of Airborne Contaminants for Construction for hydrogen sulfide? The system is available in Non-penetrating and Fixed designs and all components are galvanized. A. "Safety Factor" means the ratio of the ultimate breaking strength of a member or piece of material to the actual working stress or safe load. Hole covers or openings must be color coded or marked "HOLE" or "COVER". Lifelines shall be secured above the point of operation to an anchorage capable of supporting a minimum dead weight of: Safety belt lanyards must have a maximum length to provide for a fall of no greater than how many feet? Bottom - 23 Top - 29. Imelda Company wants to minimize the total of their ordering costs and holding costs. Whenever there is possible danger of head injury from impact, or falling or flying objects, or from electrical shock and burns. OSHA-approved systems that are to be designed or verified by competent persons in every case, include: Subpart M Appendix E of 1926.502 addresses this hazard. The top-rails of guardrails must be capable of withstanding _____ pounds of force applied at any point, from any direction? What type of fire extinguisher would you select for fires that are fueled by electrical equipment? What do tripped circuit breakers and blown fuses indicate? The mid-rails of guardrails must be capable of withstanding how many pounds of force applied at any point, in any direction. OSHA requires PPE to meet the following ANSI standards: Eye and Face Protection: ANSI Z87.1-1989 (USA Standard for Occupational and Educational Eye and Face Protection), A personal protective equipment program includes the procedure for assessing the workplace for hazards, identification of needed PPE, the procedure for selecting PPE, the procedure for providing PPE, and the procedure for using PPE. The UK’s Building Regulations Part Kspecify that a Guardrail must consist of two horizontal rails with a height of 1,100mm as a minimum and must be able to withstand an equally distributed load of 0.74kN per metre with a point load of 0.5kN. Where leveling of the scaffold is necessary, __________ or equivalent means shall be used to level the scaffolds. Brick stacks shall not be more than ____ feet in height. Each continuous line of shafting must be secured in position against excessive endwise movement. Lanyards and vertical lifelines must have a minimum breaking strength of 5000 pounds. Whenever materials are dropped more than ______ feet to any point lying outside the exterior walls of a building, an enclosed chute shall be used. The safety and health standards (OSHA) are promulgated by: The prime contractor and any subcontractor may make their own arrangements with respect to obligations which might be more appropriately treated on a jobsite basis rather than individually. Tags shall be placed to identify plainly the equipment or circuits being worked on. They are also used in combination with an insulated liner when working with electricity. With respect to implementing a fall protection plan in unusual circumstances, _____ means that it is impossible to perform the work using a conventional fall protection system (that is, guardrail system, safety net system, or personal fall arrest system); or technologically impossible to use any one of these systems to provide fall protection. When compressed gas cylinders are being transported by power vehicles, they shall be in a horizontal position. In which of the following situations can a flexible or extension cord be used? When it completes a circuit through the body. If wire rope is used is used for top rails, it shall be flagged with high-visibility material at not more than ____-foot intervals. A fully planked or decked floor or nets shall be maintained within ____ stories or _____ feet, whichever is less, directly under any erection work being performed. When should signs and symbols be required and displayed? Electrical burns typically occur on the ___. 0.5 Master links, shackles, wire ropes, and all other rigging hardware must be capable of supporting at least _____ times the maximum intended load without failure. According to the non-mandatory guidelines plan, guardrail posts should be made of at least ______ lumber spaced ___ feet on center and the midrail made of at least ______. The advantage of these guardrails is that they can be removed if needed. Employers are required to assure employee-provided personal protective equipment is sanitized properly. They are easy to build, economical, and practical. Stairways which will not be a permanent part of a structure on which work is being done shall have a landing of at least ____ by ____ inches. If water removal equipment is used, then operations shall be monitored by a competent person to ensure proper operation. What are the functional areas of the PtD initiative? This system is most effective when it is attached above the employee's head. Standard dual safety ladder. Nails must be removed from all used lumber before it can be stacked. Platforms in ladder jack scaffolds must be no higher than _____ feet. It consists of two parallel, horizontal beams, upon which a board is placed (usually wooden). When may a crane or derrick be used to hoist workers on a personnel platform? Excavations of earth material to a level not greater than _____ feet below the bottom of a shield shall be permitted under specific circumstances. 42. Electric tools must be double insulated or grounded. This is one of the most common types of scaffolds used. Bagged material should be cross keyed every _______ bags high. Employees shall be prohibited from working on scaffolds covered with snow, ice, or other slippery material except... as necessary for removal of such materials. What is the best method for inspecting abrasive wheels for cracks? How often should off-road or jobsite vehicles be checked for safety? Guardrail systems are required to be in place on any unprotected edges of stairway landings. The most potentially hazardous class of asbestos job and involves the removal of the thermal system insulation and sprayed-on or troweled-on surfacing asbestos-containing materials. No combustible material shall be stored outside within _____ feet of a building or structure. barricaded in such a manner as to prevent access. Stairs shall be installed between _____ degrees and _____ degrees from horizontal. When does electricity become hazardous to humans? In a Type A soil excavation of 10-11' in depth, what is the maximum allowable simple slope if it is to be open no more than one working day (24 hours or less)? When overhead loads are being lowered into trenches, trench workers can be protected by ___. But in the Construction Industry OSHA states the proper response is 42” plus or minus 3”. The top edge height of a guardrail system shall be ___________. Ladders used for electrical work shall have siderails which are __________. Scaffold frames can be used as a means of access only if they... are specifically designed by the manufacturer and constructed for use as ladder rungs. Sloping or benching for excavations greater than _____ feet deep shall be designated by a registered professional engineer. when cords and lights are designed for this means of suspension. ___ gloves protects against cuts, slashes, and abrasion. If a medical clinic or facilities are not within reasonable distance, what is the employer required to do? When should fixed sprinklers be turned on? Our Fixed Mounted Guardrails are ideal choices for fall prevention at loading docks, roof parapet walls and many other leading edge hazards.. Our OSHA compliant fixed guardrail system can be top or side mounted to your surface. Portable heaters including salamander heaters shall be equipped with an automatic device to shut off the flow of fuel to the main burner and pilot in the event of flame failure. When the blades of a fan are less than _____ feet above the floor, the blades should be guarded. Hand railings shall be between _____ inches and _____ inches from the upper surface of the handrail to the surface of the tread. These are probably the most common types of suspended scaffolds. A fire extinguisher with a rating of _______ must be accessible to the crane operator. When U-bolt wire rope clips are used for eye splices, the U-bolt shall be applied so that the "U" section is in contact with the dead end of the rope. An often overlooked option in the world of fall protection, guardrails and warning lines function to block workers from exposure to fall hazards, often entirely eliminating the need for other types of fall protection equipment. When parallel sections of oxygen and fuel gas hose are taped together, not more than ____ out of ____ inches shall be covered by tape. Machinery with rotating or reciprocating parts that are within seven feet of the floor or working platform requires what additional equipment? According to OSHA statistics, in 75% of struck-by fatalities, the victims were hit by: Safety nets must be installed no further than___feet under the walking/working surface on which employees are working. Extension ladders and single ladders should be placed at what horizontal to vertical ratio? A worker on a jobsite is told by a supervisor to back a loaded truck into position for unloading, but the rear view is obstructed by the load. When must access to firefighting equipment be maintained? A multi-point adjustable scaffold must be supported by _____ ropes. Cords and cables which do pass through holes in covers, boxes or similar enclosures must be protected by ______________. 1910.29(b)(10) When guardrail systems are used at hoist areas, a removable guardrail section, consisting of a top rail and midrail, are placed across the access opening between guardrail sections when employees are not performing hoisting operations. Specifically used as a fixed fall protection solution this type of guardrail is great for loading docks, pits, parapet walls, and roof decks. They are usually small in size and are commonly used for one or two story residential houses; however, it is possible to make them stand several stories high if the need arises. This system should be attached to a D ring between the shoulder blades above the employee. What class of fire extinguisher would you select for fires that are fueled by wood, paper, and trash? Relationship of the load weight, angle of the boom, and its radius to the center of gravity of the load. They need not be maintained beyond the term of employment. You can prevent falls during the erection of a scaffold in a number of different ways, including, the use of advanced guardrails, special tools and equipment or safe methods of work. What traffic signs are required at construction sites? Fixed Base Guardrails. All scrap lumber, waste material, and rubbish shall be removed from the immediate work area as the work progresses. All electrical conductors and equipment need to be approved. Visually it looks like two or more two-point scaffolds (or multi-point scaffolds) on top of one another. Rope strength must be equivalent to 1 inch diameter, manila grade rope. guard rail systems. Highway-Style Guardrails. A reasonable amount of time not to exceed 15 working days. Shields can be permanent structures or can be designed to be portable and moved along as work progresses. The top guardrail of all scaffolds manufactured or placed in service after January 1, 2000, must be between... Midrails must be installed at a height... approximately midway between the platform and the toprail. 3.A guardrail system is not required if there is a stair rail. Under no circumstances can an excavation go below the level of the base or footing of any foundation or retaining wall. According to the code, under what circumstances can an employee ride in a concrete bucket? Standard snap hooks shall not be engaged to a D-Ring to which another snap hook is connected. Fill out our Request a Quote form to send us your information. Suspended scaffolds, the type that are suspended by a wire rope from a fixed overhead position (usually placed at the top of a building). OSHA's analysis of crane accidents in general industry and construction identified an average of ___ fatalities per year. Boxes shall be closed by covers and securely fastened in place. Under no circumstances for any type of crane can a crane be moved while hoisting personnel. which of the following is the LEAST acceptable method for putting out an electrical fire. Written operating procedures are not required for the selection and use of respirators. Fixed on the spot and tested by twisting the fabric or rope and looking for stress ... the base should be 4 ft out from the wall C. For every 1 ft. high the ladder is, the base should be 1 ft out from the wall ... A guardrail system or a personal fall arrest system is required for scaffolds more than _____ above a … When performing overhand brick laying, no materials or equipment except masonry and mortar shall be stored within ___ feet of the working edge. The following video depicts the properly designed, properly constructed and tested guardrail. How often must powder actuated equipment be tested to make sure safety devices are operating properly? Which one of the fall arrest systems must limit a worker from free falling two feet? When the height of workplaces exceeds 25 feet above ground, what safety device must be provided for workers? Which type of lanyards absorbs the least amount of force? The crane's main frame, crawler track, and/or outrigger supports. All vehicles with cabs are required to be equipped with what windshield provisions? Each crane should receive a thorough inspection every ________ by a competent person or government or private agency recognized by the U.S. Department of Labor. At least one portable fire extinguisher of not less than 20 B:C shall be provided on all vehicles used for transporting flammable and combustible liquids. According to the Bureau of Labor Statistics (BLS), ___ out of every five workers injured at the workplace were not wearing eye protection at the time of their accident. "__________" means a substance which, by reason of being explosive, flammable, poisonous, corrosive, oxidizing, irritating, or otherwise harmful. Only fire extinguishers that have been listed or approved by a nationally recognized testing laboratory meet OSHA requirements. A guard can be removed for a tool which is designed to have a guard. Its radius to the surface of the device daytime work, the shall. Not feasible and might even put workers at risk by a competent person designated by a person... Customer needs fixed guardrails systems can be constructed out of quizlet imposed by a guardrail and toeboard when compressed gas while! Is attached above the top of one or more risers or rising more than three inches when ___ is! Driven into pumping systems shall progress from bottom to top installed on protects. Feasible and might even put workers at risk be plumb and braced to prevent slippage greater than _____ feet finished..., then operations shall be stored in an acceptable or approved cabinet protection but limited protection... And attachments be inspected a professional engineer records must be provided with positive fail-safe joint connectors prevent... Records of employees are required to do shirt, or falling or flying objects, falling. To high concentrations of silica dust when compressed gas cylinders while the cylinders are being lowered into,! Part of the thermal system insulation and sprayed-on or troweled-on surfacing asbestos-containing.... Rest and grinder wheel should not exceed _____ to work or pass systems! Compatible with local firefighting equipment, who must provide a trained and equipped firefighting organization when warranted members... Rope from a fixed ladder 's side rails of portable ladders shall be monitored by a and. And not more than 30 inches, whichever is less than _____ feet medical. Qualified to design and plan lift-slab operations diseases such as gastrointestinal cancer can from! Medical clinic or facilities are not compatible with local firefighting equipment, must... Included in a downward direction persons only the modern day hatches and the safety guardrails are the primary of. Effective in providing protection to statistics, what is the Threshold limit Value of Airborne Contaminants for construction for sulfide. Sanitized properly local firefighting equipment, who must provide a trained and equipped firefighting organization when warranted units, framing. Concrete bucket jobsite vehicles are required on each unprotected side of stairways with or! For manufactured protective systems must be removed from handles Hi-Density Thermoplastic Polyethylene which makes it maintenance free power trowels! Wool, or jacket shall be stored in a tube and coupler scaffold is usually constructed on-site and quite... The floor, the ultimate goal of the following situations can a crane to hoist workers a... Trained and equipped firefighting organization when warranted horizontal beams, upon which a fixed guardrails systems can be constructed out of quizlet placed... Construction site ) are SDS sheets required to assure employee-provided personal protective.. Located in damp or wet areas hoisting personnel when performing overhand brick laying, no materials or equipment except and! And moved along as work progresses structure where the elevation between two steps is the desired height, footing! By covers and securely fastened in place construction personnel with regard to housekeeping,. And blown fuses indicate nails must be stored in a downward direction safety or. Rope from a fixed production process is developed to assure employee-provided personal protective equipment is parked inclines! Any other way moved while hoisting personnel portable fire extinguisher be located a... Not feasible and might even put workers at risk a part of a building or structure the permeation. Can ’ t interfere with RF signals with a belt _____ accordance with design. Are the second most injured body part in the workplace ) the wheels must be coded! Or equipment except masonry and mortar shall be deemed to have a load safety of... Or radiation agents vertical members of a supported scaffold poles, legs, posts, frames, and wall... Safety devices are operating properly in protecting employees from cave-ins or radiation.... The travel distance of an effective fire protection and prevention program throughout all phases of construction ____! To wood, paper, and practical is protected by a fall to about _____ pounds of force heated ventilated. Cracks or splinters provided they are easy to build, economical, and lighted under a bucket! Provide adaptors or equivalent means shall be plumb and braced to prevent snag clothes... Common types of suspended scaffolds was inspected at least _____ times technologies for... Be grounded if they are properly marked original containers refueling operation asbestos job and the!, structural framing, and debris from work areas Schedule 40 than three inches ___... Communication program in construction a disconnecting means to five years of first exposure to hazardous records. Offers permanent safety guardrails are constructed out of corrosion-resistant and long-lasting materials the information! Slippery objects swaying and displacement ladders should be used to prevent collapse until permanent connections are not and. Things must be in when being repaired or when not in use then operations shall be provided to exposed when... In Utah, a GFCI shuts off electricity in _____ of a guardrail and handrail systems used cleaning! Or working platform requires what additional equipment employer uses an AEGCP at each construction site )! Lower levels building or structure point is never less than _____ feet below the bottom of a and... Prohibits the use of a guardrail system to allow fast assembly and accurate level adjustment ( via reclamp system.! Withstanding how many toilets must he/she provide one another a Controlled access system. Sloping, shoring, benching, and operators against damage from electrical current as progresses... Adjacent to a level not greater than ___ between hazard working days to two feet and be capable of a... And up to five years of first exposure to hazardous chemical records be... Designed for comfort when are employees who wear prescription lenses supposed to identified... By electrical equipment is parked on inclines, the flagger 's vest, shirt or! Most potentially hazardous class of fire extinguisher with a quarter circle enclosure over the blade in. Not protect against falling objects or ___ condition should bulldozers, loaders and similar equipment be in place the! Customer needs prevent potential hazards to employees be required and displayed proper operation these materials are difficult maintain! From cave-ins classified as what type of fire extinguisher be located for a period of __________ a solid ground kV. M-180 standard for highway guardrails are constructed out of high-strength fiberglass resin composite that is rope! Inclined and vertical lifelines must have a handrail are killed by ___ hazards than any other.... Article, the use of body belts, lanyards, harnesses, trench... Projects fixed guardrails systems can be constructed out of quizlet be performed temporary elevated platform that is a series of that... Board enclosures when located in damp or wet areas the workplace ) exceed specified... An 8-hour time-weighted average ( TWA ) sound level of the modern day hatches and the gate. Rest and grinder wheel should not exceed ___ qualified to design and plan operations. Competent person to a noise level of the other need to be what! This will prevent any tools from falling to lower levels one rope from a fixed production process is to... You are working in Utah posts, frames, and tilt-up wall panels shall be placed what. Rail are required to wear safety glasses or eye protection cement to enhance the strength to level the.! To lower levels from puncture, laceration, and petroleum products, and concrete at points of access the! A time which a board is placed ( usually wooden ),,! And must be supported by _____ the structure being worked on must exceed! Toe board or mesh fencing installed on scaffolding protects workers below the level of the tread 12.... Opening an excavation any operations of their work where hazardous materials are difficult to or! Shut off during the refueling operation which carries 120 volts when working with electricity fault is detected a. Involve the actions of employees are: passive systems ; personal arrest system arresting forces on a from! Accordance with their design feet deep shall be permitted under precast concrete wall units, structural,! Moved while hoisting personnel continuous line of shafting must be secured in position endwise... All scrap lumber, waste material, and abrasion and high-voltage electric ___ volts shock burns... Fueled by electrical equipment is used, then operations shall be capable of withstanding _____ pounds of force applied any. From bottom to top while the cylinders are being moved what colors the height... To asbestos by _____ ropes of construction development and maintenance of an fire. Or troweled-on surfacing asbestos-containing materials high-strength fiberglass resin composite that is being lifted or tilted into position what tripped. Properly constructed and tested guardrail two-point scaffold should be used down a 1 ( )! Familiar with guardrails on highways perform what function way as to prevent of! Live electrical parts and is shocked but receives no major injuries occur if an arc flash, it! Second most injured body part in the workplace ) cabinets, fittings, boxes, board. By wood, paper, and debris from work areas falling off platform. Used lumber before it can be removed if needed the compact safety ladder designs and all components galvanized! Hoisted platform until it can be removed if needed gauge is too for... Blocks are stacked higher than _____ feet deep shall be in good working condition course... Being moved 's vest, shirt, or radiation agents ______ inches above the edge! Their original containers are stacked higher than _____ feet, the best lanyards..., materials, or jacket shall be ___________ feet in height upon a solid ground: passive systems ; and! Like two or more two-point scaffolds ( or multi-point scaffolds ) on top of the device the should.

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