ASME Pressure Vessels and Water Storage Tanks - page 57

• 57
Steel Hold-Down Straps Sizing Guide
Note:
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 storage tank 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.
Tank
Hold-Down Strap
Anchor Bolt
Volume
Tank Dimensions
Required
Size
Centerline
Size
Gal.
Dia.
Length
Quantity
WxT
Spacing
Dia.
240
3'-2"
4'-0"
2
2" x .25"
2'-0"
.75"
300
3'-2"
5'-0"
2
2" x .25"
2'-6"
.75"
500
4'-0"
5'-5"
2
3" x .25"
2'-9"
.75"
1,000
4'-0"
10'-9"
2
3" x .25"
5'-4"
.75"
1,000
5'-4"
6'-0"
2
3" x .25"
3'-0"
.75"
1,500
5'-4"
9'-0"
2
3" x .25"
4'-6"
.75"
2,000
5'-4"
12'-0"
2
3" x .25"
6'-0"
.75"
2,500
5'-4"
15'-0"
2
3" x .25"
7'-6"
.75"
3,000
5'-4"
18'-0"
2
3" x .25"
9'-0"
.75"
4,000
5'-4"
24'-0"
2
3" x .25"
12'-0"
.75"
4,000
6'-0"
19'-0"
2
3" x .38"
9'-6"
1"
4,000
8'-0"
10'-8"
2
3" x .38"
5'-3"
1"
5,000
6'-0"
23'-10"
2
3" x .38"
11'-11"
1"
5,000
8'-0"
13'-4"
2
3" x .38"
6'-8"
1"
6,000
6'-0"
28'-8"
2
3" x .38"
14'-4"
1"
6,000
8'-0"
16'-0"
2
3" x .38"
9'-0"
1"
8,000
8'-0"
21'-4"
3
3" x .38"
7'-2"
1"
8,000
10'-0"
14'-0"
2
4" x .50"
7'-0"
1.25"
10,000
8'-0"
26'-8"
4
3" x .38"
6'-8"
1"
10,000
10'-0"
17'-0"
2
4" x .50"
8'-6"
1.25"
12,000
8'-0"
32'-0"
4
3" x .38"
8'-0"
1"
12,000
10'-0"
20'-6"
3
4" x .50"
6'-10"
1.25"
15,000
8'-0"
40'-0"
5
3" x .38"
8'-0"
1"
15,000
10'-0"
25'-6"
3
4" x .50"
8'-6"
1.25"
20,000
10'-0"
34'-0"
4
4" x .50"
8'-6"
1.25"
20,000
10'-6"
31'-0"
4
4" x .50"
7'-9"
1.25"
25,000
10'-6"
38'-9"
5
4" x .50"
7'-9"
1.25"
30,000
10'-6"
46'-6"
6
4" x .50"
7'-9"
1.25"
40,000
12'-0"
47'-6"
8
4" x .50"
6'-8"
1.25"
50,000
12'-0"
59'-6"
10
4" x .50"
6'-8"
1.25"
60,000
13'-0"
60'-6"
12
4" x .50"
5'-8"
1.25"
1...,47,48,49,50,51,52,53,54,55,56 58,59,60,61,62,63,64,65,66,67,...
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