If using a high-velocity tool, don’t drive fasteners closer than 3 inches to an unsupported edge or corner of material such as brick or concrete.
When using high-velocity tools do not drive?
When using a high-velocity tool, do not drive fasteners more than 3 inches (7.62 centimeters) from an unsupported edge or corner of material such as brick or concrete.
What does do not drive fasteners into steel thinner than?
Never fasten into structural steel base material thinner than 3/16″.
What should you avoid doing when driving fasteners using a powder-actuated tool?
Do not drive fasteners into: Very hard or brittle material such as cast iron, glazed tile, surface-hardened steel, glass block, live rock, face brick, or hollow tile. Easily penetrated material unless it is backed by another material that will prevent the fasteners from passing completely through the other side.When using high-velocity tools do not drive fasteners closer than quizlet?
The tool user should never fasten closer than? 3 inches from the edge of masonry.
What should you avoid doing when driving fasteners using a powder-actuated tool quizlet?
To help prevent accidents, never load a powder-actuated tool until just before you use it. Choose the powder level carefully. A powder-actuated tool that has too much powder can provide excessive force, which could drive a fastener completely through a wall and have it strike someone on the other side.
How are the fasteners of powder-actuated tools propelled?
Powder-actuated tools are powered by small explosive cartridges, which are triggered when a firing pin strikes a primer, a sensitive explosive charge in the base of the cartridge. … In high-velocity tools, the propellant charge acts directly on the fastener in a process similar to a firearm.
When working with hand and power tools you should always?
Keep floors dry and clean to avoid slipping while working with or around dangerous tools. Keep cords from presenting a tripping hazard. Never carry a power tool by its cord. Use tools that are double-insulated or have a three-pronged cord and are plugged into a grounded receptacle.When a powder-actuated tool misfires it should not be held in the operating position?
An explosive actuated fastening tool shall not be stored where it is available to unauthorized persons. If a tool misfires, the operator shall hold the tool in the operating position for at least 30 seconds, then try to fire the tool a second time.
Which of the following is not a safe practice when using a powder-actuated tool?Which of the following is not a safe practice when using a powder-actuated tool? Loading the tool before the item is ready to be fastened. Why is it unacceptable to use a powder-actuated tool to fasten a plywood sheet to a wall stud?
Article first time published onWhen using powder-actuated fastening systems operators must?
lication 00m/s. During firing of the powder-actuated fastening tool, operators should ensure that all persons, required to be in the immediate vicinity of the firing activities, wear suitable eye and ear protection. Because of splintering base material a hard hat is also recommended.
What is a high velocity tool?
A tool or machine which, when used with a load, propels or discharges a stud, pin, or fastener, at velocities in excess of 300 feet per second when measured 6.5 feet from the muzzle end of the barrel, for the purpose of impinging it upon, affixing it to, or penetrating another object or material.
What are the minimum requirements for spacing and edge distances for fasteners?
The minimum spacing and edge distance for fasteners shall comply with Table 6 shown on the attached sheet. For steel connections, the minimum spacing distance is three times the diameter of the screw, and the minimum edge distance is 1.5 times the diameter of the screws.
When not in use should the EPT be kept where?
Unused fasteners, the EPT and attachments are stored in a carry case in line with manufacturer recommendations. 4.3.
When using trench boxes Why is the space between the box and trench wall backfilled quizlet?
The space between the trench boxes and the excavation side are backfilled to prevent lateral movement of the box. Shields may not be subjected to loads exceeding those which the system was designed to withstand. FIGURE V:2-10. TRENCH SHIELD.
Which of the following Cannot be used as an equipment grounding conductor?
Rigid nonmetallic conduit, being a non-metallic conduit, cannot be used as an equipment grounding conductor.
Which is the largest diameter wood screw a No 8 or No 10?
SizeMajor Thread Diameter*DecimalNearest Fractional Measurement#8.164″5/32″#9.177″11/64″#10.190″3/16″
Which type of fastening tool has a self contained power source?
In simpler terms, your GypFast tool is powered by a motor similar to the one that powers an automobile . The tool ignites a fuel and air mixture to produce the energy to drive the motor, which in turn drives the fastener . As you will see, the GypFast tool is totally self-contained .
What are safe practices when using power tools?
- Never carry a tool by the cord.
- Never yank the cord to disconnect it from the receptacle.
- Keep cords away from heat, oil, and sharp edges (including the cutting surface of a power saw or drill).
- Disconnect tools when not in use, before servicing, and when changing accessories such as blades, bits, etc.
Which of the following are safe practices when using powder-actuated tools?
- Use the tool at right angles to the work surface.
- Check the chamber to see that the barrel is clean and free from any obstruction, before using the tool.
- Do not use the tool where flammable or explosive vapours, dust or similar substances are present.
What are some ways to protect yourself from electrical shock when using electric powered tools quizlet?
When using electric tools to protect yourself from shock, you must have a three-wire cord with a ground prong or be double insulated. Grounded tools provide better shock protection than double insulated tools.
What is the 1910 clause?
“Each employer shall furnish to each of his employees employment and a place of employment which are free from recognized hazards that are causing or are likely to cause death or serious physical harm to his employees.”
When should you not use power tools?
Terms in this set (10) Hand-held electric power tools should always be disconnected when not in use to prevent shock or fire hazards.
What is the first rule in hand and power tools safety?
Do not throw tools. Hand them, handle first, directly to other workers. Do not carry tools in a way that interferes with using both hands on a ladder, while climbing on a structure, or when doing any hazardous work.
What is the best way to avoid damage and tools and equipment?
- Keep all tools in good condition with regular maintenance.
- Use the right tool for the job.
- Examine each tool for damage before use.
- Operate according to the manufacturer’s instructions.
- Provide and use the proper protective equipment.
What is the problem with using an impact tool with a mushroomed head?
If impact tools such as chisels, wedges, or drift pins have mushroomed heads, the heads might shatter on impact, sending sharp fragments flying toward the user or other employees.
When working around pneumatic equipment you should?
- Always read the manual. …
- Wear proper PPE. …
- Know your trigger. …
- Follow manufacturer guidelines for air pressure. …
- Use relief air coupler on the tool. …
- Only use recommended air compressor. …
- Never carry tool by the hose. …
- Never modify your tool.
When can loaded powder-actuated tools be left unattended?
Answer: Section 1926.302(e)(6) states: (e) Powder-actuated tools. Loaded tools shall not be left unattended. There is no definition for “unattended.” provided in 29 CFR Part 1926 Subpart I (Tools — Hand and Power).
Is a constant pressure switch required for all hand held power drills fasteners and grinders?
All hand-held powered drills, tappers, fastener drivers, horizontal, vertical, and angle grinders with wheels greater than 2 inches in diameter, disc sanders with discs greater than 2 inches in diameter, belt sanders, reciprocating saws, saber, scroll, and jig saws with blade shanks greater than a nominal one-fourth …
When using high velocity tools do not drive fasteners closer than quizlet?
The tool user should never fasten closer than? 3 inches from the edge of masonry.
What is the minimum edge distance?
Minimum edge distance (distance between centre of the bolt hole to the plate edge) shall not be less than 1.25 times the nominal bolt diameter. The value is recommended in Clause 9.5. 2 for rolled edges and can be modified in Code setup.
