Propane
tanks
Many residents in rural
areas of Alaska use above-ground propane tanks. These tanks may move,
slide, or topple during strong ground shaking. Gas leaks are frequently
the cause of earthquake-related fires. The following recommendations
can be used to reduce the post-earthquake fire hazard associated with
propane tanks.
-
Mount
the tank on a continuous concrete pad and bolt the four legs to
the pad.
-
Install
a flexible hose connection between the tank, supply line, and the
entrance to your home or business.
-
Clear
area of tall or heavy objects which can fall and rupture tank or
supply line.
-
Keep
a wrench tied on a cord near the shut-off valve and make sure family
members or employees know how to use it.
-
For
large tanks, seismic shut-off valves are available.
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Mount
tank on 6-inch-thick concrete pad (A)
using four 1/2-inch-diameter bolts (B)
with 3-inch minimum embedded into the concrete. Provide a flexible hose
connection (C) between the tank
and the rigid supply line.
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