MIL-HDBK-1022A
b) 50 feet (15 m) from railroad spur tracks not used
for through traffic.
c) 200 feet (60 m) from main railroad tracks
carrying through traffic.
d) 50 feet (15 m) from electric power transmission
and distribution wires.
8.3.7
Interior Coatings. To extend the life of steel
storage tanks, coat new tanks according to the following
guidelines.
a) Vertical tanks
(1) Aviation, diesel fuel marine (DFM),
additive, and lube oil tank interiors should be 100 percent
coated, including floor, shell, and underside of the roof.
(2) Other products coat the floor, the underside
of the roof, and bottom 40 inches (1000 mm) of the tank shell.
Additional coating of up to 100 percent requires economic
justification and Service Headquarters approval.
b) Coat all carbon steel piping, interior and
exterior (inside of tank) and steel appurtenances inside all
tanks.
c) Horizontal tanks coat the bottom 20 inches
(500 mm) of the tank shell. For aviation tanks coat 100
percent.
8.3.8
Exterior Coatings
a) Protect the exterior surface of all aboveground
steel tanks by coating in accordance with appropriate Service
Headquarters requirements.
b) Protect the exterior surfaces of all underground
horizontal steel tanks with a factory-applied coating
specified in the appropriate guide specifications.
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