15-26-700 Container storage – Safety clearances.
   Whenever one or more containers of liquefied petroleum gas are installed for use outside, the following safety clearances, as shown in Table 15-26-700 and as defined in Section 15-24-250, shall be maintained:
Table 15-26-700
Minimum Distances in Feet
Water Capacity Per Container
Between Container and Other Buildings on Same Property
Between Container and Building Occupied in Whole or in Part as Institutional Assembly or Open Air Assembly
Underground
Aboveground
Underground
Aboveground
Between Aboveground Containers
Water Capacity Per Container
Between Container and Other Buildings on Same Property
Between Container and Building Occupied in Whole or in Part as Institutional Assembly or Open Air Assembly
Underground
Aboveground
Underground
Aboveground
Between Aboveground Containers
Less than 125 gals.
(See Note 1)
10
(See Notes
2 & 3)
None
100
100
None
125 gals. to 500 gals.
10
10
150
150
3
501 gals. to 1,000 gals.
25
25
150
150
3
1,001 gals. to 30,000 gals.
50
50
250
250
5
30,001 gals. to 70,000 gals.
75
75
250
250
5
Less than 125 gallons (See Note 1)
10
10
15
15
125 – 501
15
15
25
25
501 – 1,000
25
25
50
50
1,001 – 2,000
50
50
50
50
2,001 – 10,000
50
50
75
75
10,001 – 15,000
50
50
100
100
15,001 – 30,000
75
75
100
100
30,001 – 70,000
100
100
150
150
 
   Note 1. If the number of 100 lb. LP gas capacity cylinders in a multicylinder installation at a consumer site is greater than eight, the minimum distance shall comply with the appropriate portion of this table, applying the aggregate capacity rather than the capacity per container. If more than one installation is made, each installation shall be separated from another installation by at least 25 feet. Do not apply the minimum distances between aboveground containers to such installation.
   Note 2. The filling connection and the vent from the liquid level gauges in containers, filled at point of installation, shall be not less than ten feet in any direction from air openings into sealed combustion system appliances or mechanical ventilation air intakes.
   Note 3. The discharge from safety relief devices shall be located not less than three feet horizontally away from any building opening which is below the level of such discharge.
   Whenever containers are discharging into a common manifold, the aggregate water capacity shall be used in determining the safety clearances; except that, when not more than three containers, none of which have an individual water capacity greater than 1,000 gallons, are manifolded, the individual capacity of the largest container shall be used in determining the safety clearances. (See Table 15-26-700.)
(Coun. J. 12-9-92, p. 25465; Amend Coun. J. 2-7-96, p. 15616)