Powered Equipment Safety- Digger Derrick Flashcards
Digger derricks are manufactured and tested to ANSI A ? .
10.31
The safety alert symbol appears with most safety statements. It means ? , become alert; personal safety is involved.
Attention
? indicates an imminently hazardous situation that, if not avoided, will result in death or serious injury.
Danger
? indicates a potentially hazardous situation that, if not avoided, could result in serious injury or death.
Warning
Failure to follow NOTICE instructions could cause damage to the equipment or cause it to operate improperly.
True
Never use ? to check for leaks on a pressurized hydraulic system.
bare hands
Hooks used on digger derrick synthetic load lines should have throat latching mechanisms.
True
The GVW (gross vehicle weight) = truck weight + digger derrick and body weight + ? and cargo weight.
Tools
Before towing a trailer, be sure that the trailer and ? are inspected for wear and damage.
pintle hook
If necessary to back up when driving a vehicle, ensure that the ? is operational and use a rearview mirror, or use an observer to signal when it is safe to move.
Backup alarm
If parking on a roadway, park on the side of the road facing opposite to the direction of traffic flow.
false
When arriving at the job site, OSHA requires that the employee in charge of the work hold a job briefing before the start of each job. The briefing must cover ? key elements.
6
Job hazards
Work procedures
Special precautions
Energy source control
Personal protective equipment
Qualified employees must also be trained and competent in the skills needed to determine the minimum approach distances specified by OSHA as well as the special precautionary techniques, insulated tools, equipment, and ? procedures necessary for working near exposed energized parts.
lockout/tagout
Digger derricks manufactured and tested to ANSI A10.31 are limited to their rated capacity with the unit set up on a maximum of a ? slope.
5 degrees
When performing the preoperational check from the lower controls of a digger derrick, a Qualified Electrical Worker should operate the unit ? to ensure proper operation.
through the range of all functions