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Page Title:
Protect operations from electrostatic charges |
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|  MIL-M-81392(AS)
6.6. 7 Proper care must be exercised at all times to protect
personnel from accidents, fires or explosions, and to limit
damage to equipment and loading area. In this connection, the
precautionary measures In the following paragraphs should be
observed.
6.6.7.1 Employ properly proportioned and properly located
protective barricades, screens or shields at all required points.
6.6.7.2 Keep only minimum limited quantities of explosives
and completed or partially loaded parts present at each stage of
operations.
Keep explosives and explosive parts in approved
6.6.7.3
covered receptacles with covers in place when material is not
being taken out of or put into the receptacles, Where necessary,
receptacles should be conductive to ground electrostatic changes
Protect operations from electrostatic charges by
6.6.7.4
effectively grounding all machinery, equipment, and fixtures;
and where necessary, employ suitable grounded conductive cover-
ing for floors, work benches and tables , and Workers con-
ductive shoes. Workers clothing of a type to mimimize the
accumulation of static charges should be employed. Fabrics
such as silk and nylon, which promote static generation should
be avoided. Additional grounding devices such as grounded
bracelets for workers should be employed where operations are
conducted with items which are unusually sensitive to initia-
tion by static electricity. Such items include initiating
explosives, tracer mixtures, and low-energy type electric
primers, detonators, and squibs. The latter types of items
should have the free ends of lead wires bared and twisted
together, and be packed in relatively small groups Wrapped in
bare non-insulated aluminum foil or other uncoated metal foil.
During assembly and processing operations such sensitive
electric item should be short circuited by clips or other
devices until installed with safety shunt in the final device.
Additional precautions for these items should include mechanical
shielding to contain or deflect fragments and blast, also
electrical shielding of these items from induced electric
currents generated by sources such as lightning, static radia-
tions from oommunications apparatus, radar, or high frequency
heat apparatus, etc. Where necessary for safety, humidity of
work rooms should be appropriately increased, as required to
lessen electrcstatic effects but without Inducing excessive
moisture absorption by any of the components of' the item
being loaded.
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