13.G Abrasive Blasting Equipment.
13.G.01 Hose and hose connections must be designed to prevent build up of static electricity.
13.G.02 Connections and nozzles must be designed to prevent accidental disengagement. All connections must be equipped with safety lashings. > See Sections 20.A.16 and 20.A.17.
13.G.03 Nozzle attachments must be of metal and fit on the outside of the hose. A deadman-type control device must be provided at the nozzle to cut off the flow if the operator loses control of hose. A support must be provided on which the nozzle may be mounted when it is not in use.
13.G.04 Additional requirements on abrasive blasting are in Sections 5 and 6.
13.H Power-Driven Nailers and Staplers.
13.H.01 This section applies to hand-held electric, combustion or pneumatically-driven nailers, staplers, and other similar equipment (referred to as "nailers" in this section) which operate by ejecting a fastener into the material to be fastened when a trigger, lever, or other manual device is actuated. This does not apply to common spring-loaded "staple guns".
13.H.02 Nailers must have a safety device on the muzzle to prevent the tool from ejecting fasteners unless the muzzle is in contact with the work surface. The contact trip device or trigger must not be secured in an "on" position.
13.H.03 Nailers must be operated in a way to minimize the danger to others and the operator from ricochets, air-firing, and firing through materials being fastened.
- Except when used for attaching sheet goods (sheathing, sub-flooring, plywood, etc.) or roofing products, nailers must be operated with a sequential trigger system that requires the surface contact trip device to be depressed before the firing trigger can be activated and that limits ejection to one nail per trigger pull before resetting.
- When used for sheet goods and roofing materials, nailers may be operated in the contact trip mode (bump or bounce-nailing) only as allowed by the manufacturer. This mode may only be used when the operator has secure footing, such as on a work platform, floor or deck, and must not be used when the operator is on a ladder, beam, or similar situations where the operator's balance and/ or reach may be unstable.
13.H.04 Workers that use nailers must wear appropriate PPE, to include eye protection, hard hats, safety shoes and hearing protection as required. > See Section 5.
13.H.05 When clearing a nail jam or performing maintenance on the nailer, the air hose must be disconnected. > Use proper Hazardous Energy Control procedures per Section 12.
Knowledge Check Choose the best answer for the question.
13-8. Which of the following is true about abrasive blasting equipment connections?
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