TM 5-3805-294-10
0016
STRAIGHT LINE TRENCHING
WARNING
PREVENTING CAVE IN
Work perpendicular to or at an angle to excavation, with travel motors to the rear of the
machine. Failure to comply may result in injury or death to personnel.
Do not drive near the edge of an excavation or trench. Failure to comply may result in
injury or death to personnel.
Do not dig under the machine. Failure to comply may result in injury or death to personnel.
To prevent the spoil pile from caving in the excavation, spoil piles should be placed at
least 3 ft (1 m) from trench. Failure to comply may result in injury or death to personnel.
NOTE
The deeper the trench, the further away the spoil pile should be.
1.
Drive two stakes in the ground at the beginning of the trench.
HYEX01489
Figure 9.
Straight Line Trenching.
2.
Drive the first stake immediately behind the start point of the trench. Drive the second stake approximately
30 ft (9 m) behind the first stake.
3.
Use stakes as a sight gauge. They are especially helpful when the machine is moved often.
END OF TASK
BACKFILLING
WARNING
PREVENTING CAVE IN
Work perpendicular to or at an angle to excavation, with travel motors to the rear of the
machine. Failure to comply may result in injury or death to personnel.
Do not drive near the edge of an excavation or trench. Failure to comply may result in
injury or death to personnel.