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thousand liters (680,000 ℓ) or five hundred sixty seven thousand liters
(567,000 ℓ) LPG capacity in each group. Such groups shall be
separated by a distance of not less than fifteen meters (15 m) unless
the tanks are:
a. Mounted in an approved manner;
b. Protected with approved insulation on such areas that may be
subject to impingement of ignited gas from pipelines or other
leakage;
c. Protected by firewalls of approved construction,
d. Protected by an approved system for the application of water; or
e. Protected by other approved means.
Where one of these forms of protection is provided, the separation
shall not less than seven and a half meters (7.5 m) between such
container groups.
8. Storage and transportation of LPG, and the installation of all pertinent
equipment shall be installed and maintained in accordance with NFPA
58, “Liquefied Petroleum Gas Code.”
9. Containers installed outside of buildings, whether of the portable type
replaced on a cylinder exchange basis or permanently installed and
refilled at the installation, shall be located with respect to the adjacent
containers, important building, group of buildings, or line of adjoining
property that can be built upon, in accordance with Table 26:
Table 26: MINIMUM DISTANCES OF LPG CONTAINERS OUTSIDE
BUILDINGS, BY WATER CAPACITY
WATER CAPACITY PER
CONTAINER
(in liters)
Less than 500
500 to 1,000
Above 1,000 to 1,900
Above 1,900 to 7,600
Above 7,600 to 11,400
Above 11,400 to 26,500
Above 26,500 to 34,100
Above 34,100 to 45,400
Above 45,400 to 75,700
Above 75,700 to 378,500
Above 378,500
MINIMUM DISTANCES (in meters)
Mounded or
Aboveground
Between
Underground
Containers
Containers
Containers
3
0
0
3
3
0
3
3
1
3
7.6
1
15
15
1.5
15
23
15
30
¼ of sum of
15
38
diameters
of
adjacent
15
61
containers
15
91
15
122
309