COMPASS-EI–Manual – Chapter 4
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Horizontal Fixed Roof Tank
Other Tank
b.)
Diameter.
The tank diameter in feet.
c.)
Location.
The location of the storage tank.
Above ground
Underground
d.)
Fill Method.
Submerged
Bottom
Splash
e.)
Shell Color.
White
Light Gray
Aluminum Specular
Medium
Aluminum Diffused
Other
f.)
Roof Color.
White
Light Gray
Aluminum Specular
Medium
g.)
Shell Construction.
R
– Riveted
E
– Epoxy Coated Rivets
W
– Welded
O
– Other
G
– Gunite
Aluminum Diffused
Other
h.)
Paint Condition.
Good
Poor
i.)
Storage Capacity.
The tank’s storage capacity in thousands of gallons.
j.)
Tank Height.
The height of the vertical tank in feet.
k.)
Tank Length.
The length of the horizontal tank in feet.
l.)
Vapor Space Height.
Vapor space height for tanks in feet. Distance from the surface of the tank liquid to
the rooftop.
