MIL-HDBK-1025/10
a. Probe rods or bars will not be used to locate any underground direct-burial cables.
b. When uncovering direct-burial cables, extreme care should be observed to avoid
damaging the cable insulation.
c. All exposed cables in a work area will be protected against damage by boards or other
nonconductive materials. When it is necessary to weld adjacent to cables, suitable nonflammable
protective material will be utilized.
d. Under no conditions will workers stand, sit, kneel, or lean on unprotected direct-burial
cables.
Digging Restriction
8.3.3
CAUTION
Mechanical excavating equipment will be used only in areas where there
is no known danger of contacting or damaging buried utilities. Elsewhere
excavation will be done only by hand digging.
8.3.4 Handling Damage to Existing Utility Lines. If any existing utility lines are
damaged then certain steps should be taken dependent upon the type of line.
a. If electric cables are damaged the facility should de-energize the damaged line and take
immediate steps to repair it.
b. Environmentally hazardous lines, such as sewer, fuel, and oil, will be handled in
accordance with the applicable health and safety hazard requirements. Environmental cleanup will
be initiated as soon as possible.
c. If health and safety hazard lines such as gas, steam, or hot water are damaged, the hole
will be left open until any utility line flow has been dissipated safely. All possible sources will be
shut off. Any workers or residents of the area will be warned, when necessary, and the public
will be kept out of the area. The local fire department and the appropriate maintenance facility
will be notified immediately.
WARNING
Extreme care will be taken to eliminate the possibility of igniting any escaping gas.
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