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4-7.2 General Safety - Cont'd.
WARNING
BREAKING 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. Refer to
paragraphs 4-17 thru 4-17.5 for depressurizing procedures.
WARNING
LIQUID FUEL LEAKS
Promptly correct any fuel leakage that causes an accumulation of fuel on any surface. If it
cannot be corrected safely while in operation, shut down and make corrections to stop the
leak. Make a list of any minor leaks that cannot be corrected in operation and make repairs at
the first shut down opportunity.
WARNING
LIQUID FUEL ACCUMULATION
The accumulation of liquid fuel, or hot lubricating oil is a fire hazard. Wipe and wash down
such areas or surfaces promptly. Dispose of any wiping rags in an area removed from the fuel
storage or handling areas. Apply no smoking rules within 100 ft. of any fuel accumulation.
WARNING
FUME ACCUMULATION
When leaks or spills occur, there will possibly be an accumulation of fumes that may be a fire
hazard. This is particularly the case if the facility is located in a low lying area or during
certain atmospheric conditions. Make sure fire suppression equipment is ready. Clear
personnel from the area until the fumes have been dispersed.
WARNING
FUEL SATURATED SOIL
Fuel saturated soil is a fire hazard. Do not allow unnecessary personnel in the area. Do not
allow smoking within 100 ft. of the area. Wash down the area thoroughly with water until the
evidence of fuel is gone. A detergent in with the water will help disperse the fuel.
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.
4-19
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