5-55-5
Watch SpotterWatch Spotter
Avoid ObstaclesAvoid Obstacles
Safety FirstSafety First
DumpingDumping
The dumping operation usually depends upon the type of material being hauled.The dumping operation usually depends upon the type of material being hauled.
For instance, overburden and other waste material is usually dumped over aFor instance, overburden and other waste material is usually dumped over a
spoil bank or piled into large mounds. The dumping on a job of this type might bespoil bank or piled into large mounds. The dumping on a job of this type might be
controlled by a dump controlled by a dump 'SPOTTER', 'FLAGMAN'SPOTTER', 'FLAGMAN' or 'BANKSMAN' or second person' or 'BANKSMAN' or second person
who directs the truck to its dumping area. The 'SPOTTER' is needed due to thewho directs the truck to its dumping area. The 'SPOTTER' is needed due to the
limited rear visibility the operator has with a loaded truck of this size. Whilelimited rear visibility the operator has with a loaded truck of this size. While
backing to dump, the operator must watch the 'SPOTTER' at all times and followbacking to dump, the operator must watch the 'SPOTTER' at all times and follow
his direction. Under no circumstances should the operator leave his seat to gainhis direction. Under no circumstances should the operator leave his seat to gain
better visibility while backing. Always remain seated to maintain maximumbetter visibility while backing. Always remain seated to maintain maximum
machine control.machine control.
Mineral ores, blasted rock etc., are usually dumped into a hopper or crusherMineral ores, blasted rock etc., are usually dumped into a hopper or crusher
where it is processed before shipment. When dumping into a hopper, thewhere it is processed before shipment. When dumping into a hopper, the
operator, in order to avoid excess wear on the tyres, must avoid hitting theoperator, in order to avoid excess wear on the tyres, must avoid hitting the
protecting rail at the protecting rail at the hopper. If a DRIVEOVER HOPPER is used, the operatorhopper. If a DRIVEOVER HOPPER is used, the operator
must avoid rubbing the tyre inner sidewalls.must avoid rubbing the tyre inner sidewalls.
When hauling dirt or rock from a borrow pit into a fill area such as an earth-fillWhen hauling dirt or rock from a borrow pit into a fill area such as an earth-fill
dam, the load is usually dumped in a string with other loads and the loadsdam, the load is usually dumped in a string with other loads and the loads
smoothed out with a crawler tractor. When dumping on a fill of this type, thesmoothed out with a crawler tractor. When dumping on a fill of this type, the
operator usually works alone and picks his own dumping place. To saveoperator usually works alone and picks his own dumping place. To save
bulldozer work and cleaning up, the load should be dumped as close as possiblebulldozer work and cleaning up, the load should be dumped as close as possible
to the preceding load. The operator should pull past the preceding load, turn into the preceding load. The operator should pull past the preceding load, turn in
line with the string and back his truck until it is within a few feet of the last load.line with the string and back his truck until it is within a few feet of the last load.
This assures that the load will fall in the right place.This assures that the load will fall in the right place.
No matter what kind of job the operator is working, there are a few things whichNo matter what kind of job the operator is working, there are a few things which
are common to all jobs and which the operator should observe -are common to all jobs and which the operator should observe -
When dumping over a spoil bank without a 'SPOTTER', know how close theWhen dumping over a spoil bank without a 'SPOTTER', know how close the
machine can safely approach the edge under all weather conditions. If in doubtmachine can safely approach the edge under all weather conditions. If in doubt
as to dumping safety, dump the load a safe distance from the edge so that itas to dumping safety, dump the load a safe distance from the edge so that it
TWO MINIMUMTWO MINIMUM
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