MIL-HDBK-1025/10
legged jenny should be used. It is the responsibility of the supervisor to assure that all pole-lifting
tools are always in good condition.
Table 38
Average Size of Crew Required to Raise Poles of Different
Lengths by Piking
Pole length in
Size of
Number of
Number of
Number of
crew
pikers
jennymen
people at butt
Meters (feet)
7.5
(25)
5
3
9.0
(30)
6
4
10.5
(35)
7
5
1
1
12.0
(40)
8
6
13.5
(45)
9
8
15.0
(50)
10
8
7.4.4.2 Winch Line Method. Figure 10 shows the winch line method.
WINCH
LINE
WORKER
IN CLEAR
WORKER
WITH
CANTHOOK
BUMPBOARD
WORKER
IN CLEAR
BLOCK
PENCIL BAR
OR STUMP
Figure 10
Winch Line Method
a. When erecting poles by truck winch and winch line, rig as shown with all workers in
the clear. At least three experienced workers should be used in addition to the supervisor. For
safe erection, the gins or maneuverable rigging assembly should have enough teeth to handle the
pole. Pikes should not be used in combination with a winch.
77
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