Petroleum and Chemical Storage Tanks - page 28

28 •
Selecting and Specifying Vertical Aboveground Tanks
To select a Highland Vertical
Aboveground Steel Storage Tank,
follow these easy steps:
‹‹ Select desired tank volume
‹‹ Specify single-wall, double bottom or
double-wall construction
‹‹ Select desired secondary
containment system
‹‹ Select desired internal and external
protective coatings
‹‹ Determine type, size, location and
number of fittings and manways
‹‹ Refer to accessories section of this
brochure for desired options
A drawing showing the storage tank
size, along with the type, size and
location of the fittings and manways
and accessories required is helpful
when requesting a quote or placing
an order.
Please refer to the adjacent diagrams
of some of the standard tank features
and accessories available.
A. Tank Diameter
Ranging from 3'-2" to 14'-0"
B. Tank Height
Ranging from 3'-4" to 50'-0"
C. Manway
Diameters from 24" to 36"
D. Interior Coating
Specify Seal Welding, SSPC
Cleaning Standard and type
of Interior Coating
E. Interior Ladder
2" x 1/4" sides – 3/4" rungs
on 12" centers (OSHA requires
a 36" diameter Manway for
Interior Ladders)
F. Standard Threaded Fittings
Specify size, number, location
G. Flanged Fittings
150 # A.S.A. Specify size,
number, location
H. Fuel Oil Preheater
I. Leak Detection System
Specify Single or Multi-Channel
system configuration
J. Support Legs
K. Support Skirt
L. Cone Bottom
M. Dished Bottom
N. Double Bottom
O. Double-Wall
P. Exterior Ladder
(Outside of tank, with or without
a platform)
Q. Ladder & Cage
R. Railing
S. Exterior Coating
T. Platform/Walkway
U. Thermal Insulation System
V. Emergency Vent
W. Double-Wall Emergency Vent
A Tank Diameter
B
Shell Height
E
S
K
L
M
K
J
J
R
T
P
D
H
Q
G
G
C
C
F
F
U
O
F V W I
N
F
F
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