Quantcast Emergency Procedures - mo2090093

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6 EMERGENCY PROCEDURES.
( a ) Leaks.  R e p a i r all piping leaks as soon as possible. If leaks
cannot be repaired with the system in service, make necessary arrangements for
a shutdown.  O f t e n , the defective line can be isolated by closing segregating
valves.
(b) Water Hammer.  In case of water hammer resulting from the opening of
a valve, close the valve immediately until the indications stop.  Use a bypass
v a l v e , if provided, for blending purposes.  If no bypass is provided, very
slowly open the valve to permit gradual blending until temperatures are
stabilized; then open as required.
7 CASUALTY PLANNING.  Make certain piping system operators are familiar with
the location and arrangement of piping system, valves, associated equipment,
and controls.  A map of the area served, showing the location of distribution
piping and equipment and consumers, is very useful and should be available to
o p e r a t o r s .  These maps are usually made in sections and are extended as new
areas are served.  Give definite instructions on emergency procedures to
o p e r a t o r s .  S c h e d u l e and carry out periodic fire drills, inspections, and
other simulated emergency procedure tests.  Train operators in the use of
available fire fighting and emergency draining equipment.
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