MIL-HDBK-1022A
separate storage for each type and grade of fuel. For
aviation activities, provide a minimum of two tanks for each
type of fuel.
8.3.3
Storage Capacity. The capacity or size of each fuel
storage tank is based upon the logistical requirements for the
facility and any other facility to be supported from it. For
a stated volume of each fuel, fewer tanks of larger size will
result in maximum economy. The appropriate Service
Headquarters with DFSC/DLA approval will determine the number
and size of tanks required. Rule of thumb guidance for
operating storage and bulk storage capacity is available in
Navy P-80. Provide a minimum of two tanks at aviation
activities for each type of aviation turbine fuel to receive
and isolate new receipts until tested and checked for quality
and quantity while the facility continues to function with
stocks on hand. In general, capacities of individual tanks
should not exceed 50 percent of the total storage volume
required for each type and grade of fuel. Do not provide
tanks with capacities greater than 100,000 barrels (16 000 m3 )
except when larger tanks are specifically authorized by
Service Headquarters.
8.3.4
Tank Spacing
8.3.4.1
Vertical Tanks. Provide a minimum distance between
the shells of vertical tanks, both aboveground and
underground, of not less than one diameter of the larger tank.
8.3.4.2
Horizontal Tanks. Provide a minimum clearance
between shells of adjacent horizontal underground tanks of 3
feet (0.9 m). Provide a minimum clearance between aboveground
horizontal tanks with capacities 40,000 gallons (151 400 L) or
under as follows:
a) Arrange tanks in pairs with a minimum of 5 feet
(1.5 m) between tanks in each pair and 10 feet (3 m) between
adjacent tanks of two pairs in the same row.
b) Space adjacent groups of more than two pairs in a
single row with at least 20 feet (6 m) between the nearest
tanks of the groups.
c) Provide a minimum end-to-end spacing between
tanks in longitudinal rows of 20 feet (6 m).
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