Wastewater Treatment Systems - page 51

• 51
* Oil/sand interceptor sizes only, all others are oil/water separators.
Steel Hold-Down Straps Sizing Guide
OWS
Volume
Required
Size
Gal.
Dia.
Length Quantity
W x T
*350
3'-6"
4'-3"
2
2" x .25"
350
3'-6"
6'-0"
2
3" x .25"
550
3'-6"
7'-9"
2
3" x .25"
*750
4'-0"
8'-0"
2
3" x .25"
1,000
4'-0"
10'-9"
2
3" x .25"
*1,500
5'-4"
9'-0"
2
3" x .25"
2,000
5'-4"
12'-0"
2
3" x .25"
3,000
5'-4"
18'-0"
2
3" x .25"
4,000
5'-4"
24'-0"
2
3" x .25"
5,000
6'-0"
23'-10"
2
3" x .375"
6,000
6'-0"
28'-8"
2
3" x .375"
7,000
7'-0"
24'-4"
2
3" x .375"
8,000
7'-0"
28'-0"
3
3" x .375"
9,000
8'-0"
24'-0"
3
3" x .375"
10,000
8'-0"
26'-8"
4
3" x .375"
12,000
8'-0"
32'-0"
4
3" x .375"
15,000
10'-0"
25'-6"
3
4" x .50"
20,000
10'-6"
31'-0"
4
4" x .50"
25,000
10'-6"
38'-9"
5
4" x .50"
30,000
10'-6"
46'-6"
6
4" x .50"
40,000
12'-0"
47'-3"
8
4" x .50"
50,000
12'-0"
59'-6"
10
4" x .50"
60,000
13'-0"
60'-6"
12
4" x .50"
OWS Dimensions
Hold-Down Strap
Notes:
1.
This information is provided as a
service to our customers to assist
with budgetary estimates.
2.
Hold-Down Straps are designed to
assist on boyancy restraint of fully
installed and backfilled tanks.
3.
Safety straps are required for use
on all tanks 10'-0" diameter and
larger when using steel hold-down
straps.
4.
Underground OWS anchorage
systems should be designed by a
licensed professional engineer for
the particular geographic location,
soil conditions and installation
requirements of the specific jobsite.
Highland Tank assumes no liability
for errors or omissions in this
information or for any consequential
damages incurred by use or misuse
of this guide.
5.
Additionally, supplemental methods
of restraint, such as grade-level
reinforced concrete pads, should
be designed in accordance with
PEI/RP-100-11.
6.
Refer to appropriate Highland
Tank and Steel Tank Institute
Installation Instructions for additional
information.
1...,41,42,43,44,45,46,47,48,49,50 52,53,54,55,56,57,58
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