Running off existing LP tank or it's own tank?
Tank capacity in "WATER GALLONS" ?
LESS THAN 125 gallons 5 foot footnote e
125 to 500 gallons 10 foot
500 to 2,000 gallons 25 feet footnote e ,f
e. The following shall apply to above-ground containers installed alongside buildings:
1. Containers of less than a 125-gallon water capacity are allowed next to the building they serve when in compliance with Items 2, 3 and 4.
2. Department of Transportation(DOTn) specification containers shall be located and installed so that the discharge from the container pressure relief device is at
least 3 feet horizontally from building openings below the level of such discharge and shall not be beneath buildings unless the space is well ventilated to the
outside and is not enclosed for more than 50 percent of its perimeter. The discharge from container pressure relief devices shall be located not less than 5 feet
from exterior sources of ignition, openings into direct-vent (sealed combustion system) appliances or mechanical ventilation air intakes.
3. ASMEcontainers of less than a 125-gallon water capacity shall be located and installed such that the discharge from pressure relief devices shall not terminate
in or beneath buildings and shall be located at least 5 feet horizontally from building openings below the level of such discharge and not less than 5 feet from
exterior sources of ignition, openings into direct vent (sealed combustion system) appliances, or mechanical ventilation air intakes.
4. The filling connection and the vent from liquid-level gauges on either DOTn or ASME containers filled at the point of installation shall not be less than 10 feet
from exterior sources of ignition, openings into direct vent (sealed combustion system) appliances or mechanical ventilation air intakes.
f. This distance is allowed to be reduced to not less than 10 feet for a single container of 1,200-gallonwater capacity or less, provided such container is at least 25 feet
from other LP-gas containers of more than 125-gallon water capacity.