Accessories PNEG-318 Owner's manual

44 PNEG-318 Concrete Foundation Recommendations for GSI Grain Bins
10. Frost Free Pad Unstiffened 2.66" Farm Bin
Outside Bin Hold-Down Chart (2.66" Corrugation)
Outside bin hold-downs should be used on all non-stiffened bins/silos. When anchoring the bin, be sure
the vertical seams of the bin/silo align with the U-bolts or single anchor bolts in the foundation. Bin/silos
up to 36' diameter and 12 rings tall or shorter may be anchored using either the U-bolt/J-bolt combination
or the single anchor bolt. Bin/silos 42' and greater in diameter and all 13 rings or taller should be anchored
using the single anchor bolt. Bins/silos 13 rings and taller require double hold-downs. The sidewall must
be field drilled to attach the hold-down bracket located between the horizontal seams. For the case of 42'
and larger bin/silo, no greater than 12 rings tall, double U-bolt/J-bolt combination anchors may be used as
an option to the single anchors bolt. Additional hold-downs are required with this option. Refer to Page 15
for outside hold-down bracket details.
Single Anchor Bolt Chart
U-Bolt/J-Bolt Combination Chart
Bin Diameter
“B” Bolt
Circle Radius
For 3-12 Rings
Double Hold-Down Anchors
Required for 13-15 Rings
# of
Anchors
“E” Chord
Distance
# of
Anchors
“F” Chord
Distance
12' 6' - 1-3/8" 4 8' - 7-3/4" 8 4' - 8-3/16"
15' 7' - 7-1/4" 5 8' - 11-5/16" 10 4' - 8-3/8"
18' 9' - 1-3/16" 6 9' - 1-3/16" 12 4' - 8-1/2"
21' 10' - 7-1/16" 7 9' - 2-1/4" 14 4' - 8-9/16"
24' 12'-1" 8 9' - 2-15/16" 16 4' - 8-9/16"
27' 13' - 6-7/8" 9 9' - 3-7/16" 18 4' - 8-9/16"
30' 15' - 0-13/16" 10 9' - 3-3/4" 20 4' - 8-9/16"
33' 16' - 6-11/16" 11 9' - 3-15/16" 22 4' - 8-9/16"
36' 18' - 0-9/16" 12 9' - 4-1/8" 24 4' - 8-9/16"
42' 21' - 0-7/16" 14 9' - 4-3/8" 28 4' - 8-1/2"
48' 24' - 0-1/4" 16 9' - 4-1/2" 32 4' - 8-1/2"
60' 29' - 11-7/8" 20 9' - 4-9/16" 40 4' - 8-1/2"
Bin Diameter
“B” Bolt
Circle Radius
For 3-12 Rings
Optional Double Hold-Down
Anchors
# of
Anchors
“E” Chord
Distance
# of
Anchors
“F” Chord
Distance
12' 6' - 2-3/16" 4 8' - 8-7/8" 8 4' - 8-3/4"
15' 7' - 8-1/16" 5 9' - 0-1/4" 10 4' - 8-15/16"
18' 9'-2" 6 9'-2" 12 4' - 8-15/16"
21' 10' - 7-7/8" 7 9'-3" 14 4' - 8-15/16"
24' 12' - 1-13/16" 8 9' - 3-5/8" 16 4' - 8-7/8"
27' 13' - 7-11/16" 9 9'-4" 18 4' - 8-7/8"
30' 15' - 1-5/8" 10 9' - 4-1/4" 20 4' - 8-13/16"
33' 16' - 7-1/2" 11 9' - 4-3/8" 22 4' - 8-13/16"
36' 18' - 1-3/8" 12 9' - 4-1/2" 24 4' - 8-3/4"
42' 21' - 1-1/4" 28 4' - 8-11/16"
48' 24' - 1-1/16" 32 4' - 8-11/16"
60' 30' - 0-11/16" 40 4' - 8-5/8"