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TM 10-3835-231-13
WARNING
Death or serious injury may result from exposure to toxic or flammable vapors, or
insufficient oxygen, inside petroleum tanks. Do not enter a tank unless the
atmosphere inside has been tested by technically qualified safety or health
personnel to determine acceptable entry conditions.
WARNING
If any fuel, fuel vapor, or sludge remains in the tank, or an oxygen deficiency
exists, the tank must be treated as a "permit-required confined space". No one
may enter a permit-required confined space without approval from qualified safety
or health personnel, and without required protective clothing and equipment,
rescue and emergency service, safety equipment, training, standby personnel, and
written permit. If an explosive atmosphere exists within the tank, the tank presents
an immediate hazard to safety, and must not be entered under any circumstances.
Death or serious injury may result if these precautions are not followed.
(e)
Inflate the tank with a low pressure air blower (maximum air pressure 0.1 psig). Continue to ventilate
until dry. It may be necessary to swab out the tank to completely remove the water (and/or some
fuel) in an expeditious way.
(f)
Roll up and transport tank to an inspection, preservation, and packing area.
(g)
See TM 10-5430-219-12 for further information on the fabric collapsible tanks and their disassembly
and preparation for storage and shipment.
(5)
Disassemble, Drain, and Dry Hoselines.
NOTE
·
All hoselines must be completely dry inside and clean on the outside before
capping and before repacking.
·
It is recommended that all hoselines be tagged with identification at the
disassembly site prior to transporting them to the inspection and packing area.
(a)
Disassemble hoselines. (See para 4-35 and 4-36 as applicable.)
(b)
Suction Hoselines. The suction hoselines should be drained into containers or a sump. Then they
are to be flushed thoroughly with water and blown or swabbed dry. The sections should then be
capped, cleaned externally, and transported to the inspection and packing area.
(c)
Discharge Hoselines. All 6-inch hoselines are to be drained, flushed with water, dried, capped, and
transported to the inspection and packing area. Use the displacement and evacuation kit in
accordance with the following instructions
4-73
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