2-6-4 Lifting and Digging Operations Flashcards
OSHA requires a visual inspection of mechanical digging equipment before use on each shift.
True
Prior to digging, an Electrical Worker should be sure that the __?__ has been called and that the area has been cleared.
one-call/dig alert
When pulling a pole with a truck-mounted digger, it is a good idea to __?__.
dig next to the pole to loosen the soil
Augers are designed to vibrate excessively while digging a pole hole.
False
Of the three types of diggers discussed, the one considered by many in the electrical industry as the most versatile and powerful is the __?__ digger.
mechanical
When digging under energized lines, it is not necessary to ground the digging unit because it is too short to reach the lines.
False
The depth of the hole required when setting a 50 foot long pole is __?__.
7’
To dig a plumb hole with a truck mounted mechanical digger, the unit must be level.
True
To dig a plumb hole with a boom-mounted auger, the boom must be extended out at least __?__.
11/2’
A mechanical digger is equipped to deliver __?__ into the hole as the auger is working, in order to help loosen the soil and help the soil adhere to the bit.
water
One-call/dig alert is called to locate and mark any other utilities in the area where you will be digging.
True
The auger can be pulled out of the hole, revved up and pushed back into a hole in order to break a large rock that might be in the way.
False
Damage to the __?__ may result from rotating the digger unit from side to side in order to loosen a pole prior to pulling it.
rotation gear
The working load limit of a new steel cable that has a diameter of one-half inch is __?__.
2 tons
Prior to unstowing the auger from a boom-mounted unit, the boom must be fully retracted and at a __?__ angle.
45°