Samples Job Safety Analysis Page 14
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42heating systems, and energize many other
desirable operations. Uncontrolled electrical
flow can cause electrocution or electric
shocks to people, destroy machines, and
pollute our environment. If a person comes
in contact with a live electrical wire, the
electrical current will flow through his body
causing electrocution, or in a less severe
case, electric shock. In the same way, a
moving belt drive possesses kinetic
(motion) energy. If the belt breaks while
moving, it can hit a person and cause
physical injury, or damage a piece of
equipment and cause physical loss.
In the energy-barrier approach, hazard is
defined as uncontrolled energy flow and the
possible contact between the energy and a
person or equipment, resulting in:
injury to persons;
damage to equipment and property;
reduction in the ability of persons to
perform work; and
harm to the environment.
The procedure of the energy barrier
technique is to look at each task and:
identify the energy sources producing a
risk (Table 4);
describe the way the energy can come
in contact with employee(s) (i.e., the
energy flow) (Table 5);
find adequate barriers to eliminate or
reduce the chances of this contact
(i.e., controlling the energy flow).
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