Schwing SPB 28, Руководство по эксплуатации

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GENERAL RULE S
700+smgr.fm
PAGE 13
S AF ETY M AN U AL
6.6
If you are in doubt about your proximity to power lines, or if it
is not possible to maintain a 20 or 50 foot clearance, you must lay a separate pipe-
line or use a different placement method; otherwise do not do the pour.
Never
take chances with high voltage! (See Figure 14.)
6.7
Do not put the boom on top of power lines, even if you can
maintain 20 or 50 feet of clearance. Mechanical or hydraulic malfunction may
cause the boom to move down (Figure 15).
DANGER
Slewing Radius
of the Boom
Slab to be Poured
High-Voltage
Power Lines
Minimum of 20-foot
(50-foot above 350 Kv)
clearance from wires.
Area that can be safely reached with the boom.
Danger zone. Area that cannot be reached safely with the boom -
this area must have a separately laid pipeline, or another placement method.
slbptbad2.eps
Danger Zone
Figure 14
Lay a separate pipeline if you can’t maintain the safety distance
DANGER
bmovrtop.eps
Figure 15
Never boom over power lines