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1-10 Specific Safety Hazards - Cont'd.
1-10.18
WARNING
DISASSEMBLING FLANGES & COUPLINGS
Always be sure that piping or hose systems and the associated equipment are depressured before
breaking (disassembling) flanges and couplings for changing configurations or for maintenance. This is
to avoid injury to personnel and to avoid causing a fire hazard.
1-10.19
WARNING.
MAJOR TANK SPILLS
If a major spill occurs due to tank overflow or breakage, or hose breakage, do not go inside the tank
berm or firewall until the accumulation has been removed and managing supervision approves entry.
Special fire protection precautions must be taken under these conditions. Fire suppression equipment
should be concentrated in the area.
1-10.20
WARNING
Make sure that the systems from which the TPT is receiving fuel, or to which the TPT is transferring fuel,
are incapable of overpressuring the TPT hose and valve system which is rated at 150 psig.
Overpressure can result in a serious failure, causing personnel. injury and fire.
1-10.21
WARNING
OVERFILL OF FABRIC COLLAPSIBLE TANKS
The fabric collapsible tanks are designed primarily for static liquid head pressure only. The tank vents
are set at 0.10 psig and are incapable of passing large volumes of liquid.
Overfilling will result in a spill through the vent and can, if filling under pressure, result in overpressure
and a tank rupture, causing a major and dangerous spill.
1-10.22
WARNING
CLEAR TANK VENTS
Make sure tank vents are always clear and clean. A plugged tank vent can cause damage to the fabric
tank. Make sure pressure relief feature is operating.
1-12
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