Petroleum and Chemical Storage Tanks - page 52

52 •
Selecting and Specifying Underground Tanks
To select a Highland Underground Steel
Storage Tank, follow these easy steps:
‹‹ Select desired tank volume
‹‹ Specify single-wall or type of double-
wall construction
‹‹ Select desired corrosion protection
system or 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, type, size and location of the
fittings, manways and accessories
required is helpful when requesting a
quote or placing an order. For quick
and easy reference, please refer to
the adjacent diagrams of some
standard tank features and
accessories available.
A. Tank Diameter
Ranging from 3'-2" to 12'-0"
B. Tank Length
Ranging from 4'-0" to 59'-6"
C. Manway
Diameters from 24" to 36"
D. Manway Extensions
Customized per installation
E. Tank-Top Sump
F. Interior Coating
Specify SSPC standard and type of
Interior Coating
G. Interior Ladder
2" x 3/8" sides – 3/4" rungs
on 12" centers (OSHA requires
a 36" diameter Manway for
Interior Ladders)
H. Polyester Hold-Down Straps
Refer to pp. 55-57 for details
on Hold-Down Straps
I. Compartment Bulkheads
Single or Double
J. Sacrificial Anodes
Standard on STI-P3
®
and HotShot Tanks
K. Standard Threaded Fittings
Specify size, number and location
L. Double Ring Manway
Used to mount Tank-Top Sumps
M. Flanged Fittings
150 # A.S.A. with isolated, threaded
companion flange – specify size,
number and location
N. Flanged Fitting Isolation Spool
Specify size, number and location
(standard on STI-P3
®
and
HotShot Tanks)
O. Fuel Oil Preheater (Shrouded
on HotShot Tank)
P. Leak Detection System
Specify Single or Multi-Channel
system configuration
Q. Lug and Wiring for Protection
Prover – PP2
R. Interior Seal Welding
Required on all tanks with additional
bulkheads and/or interior linings
HighGuard,
ACT-100-U
®
,
STI-P3
®
Protected Steel
Outer Wall
Steel
Inner
Wall
TITAN
®
HMW
Polymer Outer
Wall
A
B
Double-Wall Intersitial
Monitoring Pipe
Lifting Lugs
Standard on
all Tanks
H
J
K Q
N
C
P
R
I
F
O
G
L
E
D
M
1...,42,43,44,45,46,47,48,49,50,51 53,54,55,56,57,58,59,60,61,62,...72
Powered by FlippingBook