PNEG-1867
Concrete Foundation
Recommendations for
GSI CFL Grain Bins
Instruction Manual
PNEG-1867
Date: 05-31-12
2 PNEG-1867 Concrete Foundation Recommendations for GSI CFL Grain Bins
Table of Contents
Contents
Chapter 1 CFL Series Outside Universal Stiffened Anchor Bolt Charts ...........................................................6
CFL Series Outside Universal Stiffened Anchor Bolt Charts
4" Corrugation Commercial Farm Tanks ............................................................................................... 6
Chapter 2 Inverted “T” Foundation 4" Outside Stiffened (CFL Series) Commercial Farm Tanks ................ 10
3000 PSF Soil Bearing Capacity ......................................................................................................... 10
3500 PSF Soil Bearing Capacity ......................................................................................................... 12
4000 PSF Soil Bearing Capacity ......................................................................................................... 14
Chapter 3 T-Cap Foundation Outside Stiffened Commercial Farm Tanks ..................................................... 18
Chapter 4 Warranty .............................................................................................................................................. 21
PNEG-1867 Concrete Foundation Recommendations for GSI CFL Grain Bins 3
NOTES
4 PNEG-1867 Concrete Foundation Recommendations for GSI CFL Grain Bins
CFL (4" Corrugation) Outside Stiffened
Anchor Bolt Chord Charts 2 Post
Commercial Farm Tanks
®
Section 1
PNEG-1867 Concrete Foundation Recommendations for GSI CFL Grain Bins 5
1. CFL Series Outside Universal Stiffened Anchor Bolt Charts
CFL Series Outside Universal Stiffened Anchor Bolt Charts
4" Corrugation Commercial Farm Tanks
Prior to setting any anchor bolts, you must be sure to have the correct anchor bolt placement chart. This
is very critical for stiffener alignment during erection.
The charts are divided up based on the following criteria:
• Does your bin have 2 or 3 stiffeners per sidewall sheet?
• Does your bin have stiffeners on the inside or outside?
• What diameter of bin do you have?
• What series of bin do you have (NC, WC, FC, CFL)?
Refer to proper chart on Page 7 to find the anchor chord that corresponds to the bin that is going to
be built.
Start with one anchor bolt and work from it to the left to locate one quarter of the anchor bolts the n to the
right to locate another quarter of the bolts. Now work off of the last anchor bolt s in each quarter t o lo cate
remaining anchor bolts in the last two (2) quarters.
Figure 1A
6 PNEG-1867 Concrete Foundation Recommendations for GSI CFL Grain Bins
1. CFL Series Outside Universal Stiffened Anchor Bolt Charts
CFL Series Outside Stiffened Tanks 2 Stiffeners per
Sidewall Sheet 4" Commercial Anchor Bolt Placement Charts
Nominal 36 Anchors
Diameter
Bolt Radius
Anchor Chord
Nominal 40 Anchors
Diameter
Bolt Radius
= 54' 2 Post
= 27' - 2-1/2"
4' - 8-15/16"
9' - 5-7/16"
14' - 1-1/16"
18' - 7-3/8"
23' - 0-1/16"
27' - 2-9/16"
31' - 2-5/8"
34' - 1 1 -1 3/16"
38' - 5-13/16"
= 60' 2 Post
= 30' - 2-3/8"
4' - 8-7/8"
9' - 5-3/8"
14' - 1-3/16"
18'-8"
Anchor Chord
23' - 1-3/8"
27' - 5-1/16"
31' - 6-11/16"
35'-6"
39' - 2-11/16"
42' - 8-1/2"
NOTE: These tables are for 2 post CFL series outside stiffened bins only.
PNEG-1867 Concrete Foundation Recommendations for GSI CFL Grain Bins 7
NOTES
8 PNEG-1867 Concrete Foundation Recommendations for GSI CFL Grain Bins
Inverted “T” Foundation Recommendations
for 4" Corrugation Out side Stiffened
Commercial Farm Tanks (CFL Series)
®
Section 2
PNEG-1867 Concrete Foundation Recommendations for GSI CFL Grain Bins 9
2. Inverted “T” Foundation 4" Outside Stif fened (CFL Series) Commercial Farm Tanks
All foundation specifications shall be construed as
recommendations only. Because of the many
variable conditions in actual installation, GSI
assumes no liability for results arising from the use
of such recommendations.
3000 PSF Soil Bearing Capacity
Inverted “T” Foundation Notes:
1. The foundation design is based on a minimum allowable soil bearing capacity of 3000 PSF. Bearing
capacity of the soils should be determined by geotechnical investigation and be of uniform
bearing capacity.
2. The foundation site must be free of vegetation and debris and well drained.
3. The foundation must be founded below the frost line or constructed on non-expansive frost free fill.
4. All material used for backfill inside the ring wall should be clean, well graded, crushed rock or a
sand-gravel mixture. Backfill should be placed in 6" lifts, 95% compaction.
5. All reinforcement must meet the requirements of ASTM A615 grade 60 deformed bars.
6. Lap all circumferential bars 35 bar diameters and stagger all laps in plans 3'-0". Estimates do not
include end laps.
7. Concrete must have a minimum compressive strength of 3000 PSI at 28 days, 6%-8% air
entrainment, 4" slump.
Figure 2A
10 PNEG-1867 Concrete Foundation Recommendations for GSI CFL Grain Bins
2. Inverted “T” Foundation 4" Outside Stiffened (CFL Series) Commercial Farm Tanks
Diameter of Bin: 54'
Soil Bearing Capacity: 3000 PSF
Ring # 8 10 11 13 14 16 17
A 1'-0" 1'-0" 1'-0" 1'-0" 1'-0" 1'-0" 1'-1"
B 2'-9" 3'-5" 4'-3" 5'-1" 6'-0" 6'-9" 7'-8"
C 27'-10" 27'-10" 27'-10" 27'-10" 27'-10" 27'-10" 27'-10"
D 28'-2" 28'-6" 28'-10" 29'-2" 29'-6" 29'-10" 30'-2"
M 5 #4's 6 #4's 6 #4's 7 #4's 7 #4's 5 #5's 5 #5's
N 3 #5's 4 #5's 4 #5's 5 #5's 6 #5's 6 #5's 7 #5's
P #5 @ 14" c/c #5 @ 14" c/c #5 @ 14" c/c #5 @ 14" c/c #5 @ 13" c/c #6 @ 13" c/c #6 @ 9" c/c
#4 (ft.) 6500 6900 6900 7200 7200 4800 4800
Rerod
Cu. Yds.
Concrete
Diameter of Bin: 60'
Soil Bearing Capacity: 3000 PSF
#5 (ft.) 900 1200 1300 1600 2000 2800 3100
#6 (ft.) 0 0 0 0 0 1100 1700
Footing 18 23 28 33 38 43 52
Wall 33 33 33 33 33 33 33
Floor 42 42 42 42 42 42 42
Total 93 98 103 108 113 118 127
Ring #12141618
A 1'-0" 1'-0" 1'-0" 1'-0"
B 4'-7" 6'-0" 7'-1" 8'-5"
C 30'-9" 30'-9" 30'-9" 30'-9"
D 32'-3" 32'-8" 33'-4" 33'-11"
M 5 #5's 6 #5's 7 #5's 5 #6's
N 5 #5's 6 #5's 7 #5's 9 #5's
P #5 @ 14" c/c #5 @ 11" c/c #6 @ 9" c/c #6 @ 6" c/c
#4 (ft.) 5700 5900 5900 5900
Rerod
Cu. Yds.
Concrete
#5 (ft.) 3600 4700 4100 1800
#6 (ft.) 0 0 1700 5000
#7 (ft.) 0 0 0 0
Footing32425064
Wall 36 36 36 36
Floor51515151
Total 119 129 139 151
PNEG-1867 Concrete Foundation Recommendations for GSI CFL Grain Bins 11
2. Inverted “T” Foundation 4" Outside Stif fened (CFL Series) Commercial Farm Tanks
All foundation specifications shall be construed as
recommendations only. Because of the many
variable conditions in actual installation, GSI
assumes no liability for results arising from the use
of such recommendations.
3500 PSF Soil Bearing Capacity
Inverted “T” Foundation Notes:
1. The foundation design is based on a minimum allowable soil bearing capacity of 3500 PSF. Bearing
capacity of the soils should be determined by geotechnical investigation and be of uniform
bearing capacity.
2. The foundation site must be free of vegetation and debris and well drained.
3. The foundation must be founded below the frost line or constructed on non-expansive frost free fill.
4. All material used for backfill inside the ring wall should be clean, well graded, crushed rock or a
sand-gravel mixture. Backfill should be placed in 6" lifts, 95% compaction.
5. All reinforcement must meet the requirements of ASTM A615 grade 60 deformed bars.
6. Lap all circumferential bars 35 bar diameters and stagger all laps in plans 3'-0". Estimates do not
include end laps.
7. Concrete must have a minimum compressive strength of 3000 PSI at 28 days, 6%-8% air
entrainment, 4" slump.
Figure 2B
12 PNEG-1867 Concrete Foundation Recommendations for GSI CFL Grain Bins
2. Inverted “T” Foundation 4" Outside Stiffened (CFL Series) Commercial Farm Tanks
Diameter of Bin: 54'
Soil Bearing Capacity: 3500 PSF
Ring # 8 10 11 13 14 16 17 19
A 1'-0" 1'-0" 1'-0" 1'-0" 1'-0" 1'-0" 1'-0" 1'-2"
B 2'-3" 2'-10" 3'-6" 4'-3" 5'-1" 5'-9" 6'-6" 8'-9"
C 27'-10" 27'-10" 27'-10" 27'-10" 27'-10" 27'-10" 27'-10" 27'-10"
D 28'-2" 28'-6" 28'-10" 29'-2" 29'-6" 29'-10" 30'-2" 30'-6"
M 5 #4's 6 #4's 6 #4's 7 #4's 7 #4' s 5 #5's 5 #5's 6 #5's
N 2 #5's 3 #5's 4 #5's 5 #5's 5 #5's 6 #5's 7 #5's 10 #5's
P #5 @ 14" c/c #5 @ 14" c/c#5 @ 14" c/c #5 @ 14" c/c #5 @ 14" c/c#5 @ 12" c/c #6 @ 11" c/c #6 @ 10" c/c
#4 (ft.) 6500 6900 6900 7200 7200 4800 4800 4900
Rerod
Cu. Yds.
Concrete
Diameter of Bin: 60'
Soil Bearing Capacity: 3500 PSF
#5 (ft.) 700 900 1200 1500 1600 3700 3000 3400
#6 (ft.) 0 0 0 0 0 0 1200 1700
Footing 15 19 23 28 33 37 42 63
Wall 33 33 33 33 33 33 33 33
Floor 42 42 42 42 42 42 42 42
Total 90 94 98 103 108 112 117 138
Ring #12141618
A 1'-0" 1'-0" 1'-0" 1'-0"
B 3'-10" 4'-11" 6'-2" 7'-1"
C 30'-9" 30'-9" 30'-9" 30'-9"
D 32'-3" 31'-11" 32'-4" 33'-7"
M 5 #5's 6 #5's 7 #5's 5 #6's
N 4 #5's 5 #5's 6 #5's 8 #5's
P #5 @ 14" c/c #5 @ 14" c/c #6 @ 11" c/c #6 @ 7" c/c
#4 (ft.) 5700 5900 590 0 5900
Rerod
Cu. Yds.
Concrete
#5 (ft.) 3300 4100 3900 1600
#6 (ft.) 0 0 1200 4200
#7 (ft.) 0 0 0 0
Footing27354354
Wall 36 36 36 36
Floor 51 51 51 51
Total 114 122 130 141
PNEG-1867 Concrete Foundation Recommendations for GSI CFL Grain Bins 13
2. Inverted “T” Foundation 4" Outside Stif fened (CFL Series) Commercial Farm Tanks
All foundation specifications shall be construed as
recommendations only. Because of the many
variable conditions in actual installation, GSI
assumes no liability for results arising from the use
of such recommendations.
4000 PSF Soil Bearing Capacity
Inverted “T” Foundation Notes:
1. The foundation design is based on a minimum allowable soil bearing capacity of 4000 PSF. Bearing
capacity of the soils should be determined by geotechnical investigation and be of uniform
bearing capacity.
2. The foundation site must be free of vegetation and debris and well drained.
3. The foundation must be founded below the frost line or constructed on non-expansive frost free fill.
4. All material used for backfill inside the ring wall should be clean, well graded, crushed rock or a
sand-gravel mixture. Backfill should be placed in 6" lifts, 95% compaction.
5. All reinforcement must meet the requirements of ASTM A615 grade 60 deformed bars.
6. Lap all circumferential bars 35 bar diameters and stagger all laps in plans 3'-0". Estimates do not
include end laps.
7. Concrete must have a minimum compressive strength of 3000 PSI at 28 days, 6%-8% air
entrainment, 4" slump.
Figure 2C
14 PNEG-1867 Concrete Foundation Recommendations for GSI CFL Grain Bins
2. Inverted “T” Foundation 4" Outside Stiffened (CFL Series) Commercial Farm Tanks
Diameter of Bin: 54'
Soil Bearing Capacity: 4000 PSF
Ring # 8 10 11 13 14 16 17
A 1'-0" 1'-0" 1'-0" 1'-0" 1'-0" 1'-0" 1'-1"
B 1'-11" 2'-5" 2'-11" 3'-7" 4'-3" 5'-0" 5'-8"
C 27'-9" 27'-9" 27'-9" 27'-9" 27'-9" 27'-9" 27'-9"
D 28'-0" 28'-3" 28'-7" 28'-10" 29'-1" 29'-5" 29'-9"
M 5 #4's 6 #4's 6 #4's 7 #4's 5 #5's 5 #5's 5 #5's
N 2 #5's 3 #5's 3 #5's 4 #5's 4 #5's 5 #5's 6 #5's
P #5 @ 14" c/c #5 @ 14" c/c #5 @ 14" c/c #5 @ 14" c/c #5 @ 14" c/c #5 @ 14" c/c #5 @ 10" c/c
#4 (ft.) 6700 7000 7000 7300 4900 4900 4900
Rerod
Cu. Yds.
Concrete
Diameter of Bin: 60'
Soil Bearing Capacity: 4000 PSF
#5 (ft.) 700 900 1000 1200 3100 3400 4000
#6 (ft.)0000000
Footing 13 16 19 23 27 32 36
Wall 31 31 31 31 31 31 31
Floor 41 41 41 41 41 41 41
Total8588919599104108
Ring #12141618
A 1'-0" 1'-0" 1'-0" 1'-0"
B 3'-3" 4'-2" 5'-2" 6'-2"
C 30'-9" 30'-9" 30'-9" 30'-9"
D 31'-8" 32'-1" 32'-6" 32'-11"
M 5 #5's 6 #5's 7 #5' s 5 #6's
N 4 #5's 4 #5's 5 #5's 6 #5's
P #5 @ 14" c/c #5 @ 14" c/c #5 @ 10" c/c #6 @ 8" c/c
#4 (ft.) 5900 5900 5900 5900
Rerod
Cu. Yds.
Concrete
#5 (ft.) 3300 3800 4800 1200
#6 (ft.) 0 0 0 3600
#7 (ft.) 0 0 0 0
Footing23303643
Wall 36 36 36 36
Floor51515151
Total 110 117 123 130
PNEG-1867 Concrete Foundation Recommendations for GSI CFL Grain Bins 15
NOTES
16 PNEG-1867 Concrete Foundation Recommendations for GSI CFL Grain Bins
T-Cap Foundation Recommendations for
CFL 4" Corrugation Outside Stiffened
Commercial Farm Tanks
®
Section 3
PNEG-1867 Concrete Foundation Recommendations for GSI CFL Grain Bins 17
3. T-Cap Foundation Outside Stiffened Commercial Farm Tanks
All foundation specifications shall be construed as
recommendations only. Because of the many
variable conditions in actual installation, GSI
assumes no liability for results arising from the use
of such recommendations.
T-Cap Foundation Notes:
1. The foundation design is based on a minimum allowable soil bearing capacity as specified on each
chart. Bearing capacity of the soils should be determined by geotechnical investigation and be of
uniform bearing capacity.
2. The foundation site must be free of vegetation and debris and well drained.
3. The foundation must be founded below the frost line or constructed on non-expansive frost free fill.
4. All material used for backfill inside the ring wall should be clean, well graded, crushed rock or a
sand-gravel mixture. Backfill should be placed in 6" lifts, 95% compaction.
5. All reinforcement must meet the requirements of ASTM A615 grade 60 deformed bars.
6. Lap all circumferential bars 35 bar diameters and stagger all laps in plans 3'-0". Estimates do not
include end laps.
7. Concrete must have a minimum compressive strength of 3000 PSI at 28 days, 6%-8% air
entrainment, 4" slump.
Figure 3A
18 PNEG-1867 Concrete Foundation Recommendations for GSI CFL Grain Bins
3. T-Cap Foundation Outside Stiffened Commercial Farm Tanks
Diameter of Bin: 54'
Soil Bearing Capacity: 4000 PSF
Rings 20 21
A 1'-5" 1'-7"
B8'-0" 9'-0"
C 27'-11" 27'-11"
D 31'-3" 31'-9"
E 1'-4" 1'-4"
F1'-1" 1'-3"
G 0'-8" 0'-8"
M 5 #5's 5 #5's
N 10 #5's 10 #6's
P #5 @ 8" c/c #6 @ 9" c/c
Q #5 @ 16" c/c #6 @ 18" c/c
R #4 @ 12" c/c #5 @ 12" c/c
#4 (ft.) 2900 0
Rebar
Cu. Yds.
Concrete
#5 (ft.) 12600 11200
#6 (ft.) 0 7100
Footing 73 92
Wall 35 35
Floor 78 86
Total 186 213
Diameter of Bin: 60'
Soil Bearing Capacity: 4000 PSF
Rings 20 21
A 1'-6" 1'-8"
B 8'-6" 9'-10"
C 30'-10" 30'-10"
D 34'-5" 35'-1"
E 1'-4" 1'-4"
F 1'-3" 1'-5"
G 0'-8" 0'-8"
M 5 #5's 6 #5's
N 9 #6's 11 #6's
P #5 @ 8" c/c #6 @ 9" c/c
Q #5 @ 16" c/c #6 @ 18" c/c
R #4 @ 12" c/c #5 @ 12" c/c
#4 (ft.) 3200 0
Rebar
Cu. Yds.
Concrete
#5 (ft.) 13900 13600
#6 (ft.) 3500 8500
Footing 91 1 17
Wall 39 39
Floor 101 111
Total 231 267
PNEG-1867 Concrete Foundation Recommendations for GSI CFL Grain Bins 19
NOTES
20 PNEG-1867 Concrete Foundation Recommendations for GSI CFL Grain Bins
4. Warranty
9101239_1_CR_rev7.DOC (revised July 2009)
GSI Group, LLC Limited Warranty
The GSI Group, LLC (“GSI”) warrants products which it manufactures to be free of defects in materials and workmanship
under normal usage and conditions for a period of 12 months after sale to the original end-user or if a foreign sale,
14 months from arrival at port of discharge, whichever is earlier. The end-user’s sole remedy (and GSI’s only obligation)
is to repair or replace, at GSI’s option and expense, products that in GSI’s judgment, contain a material defect in materials
or workmanship. Expenses incurred by or on behalf of the end-user without prior written authorization from the GSI
Warranty Group shall be the sole responsibility of the end-user.
Warranty Extensions:
The Limited Warranty period is extended for the following products:
Product Warranty Period
Performer Series Direct Drive Fan Motor 3 Years
AP Fans and Flooring
Cumberland
Feeding/Watering
Systems
Grain Systems Grain Bin Structural Design 5 Years
Grain Systems
Farm Fans
Zimmerman
All Fiberglass Housings Lifetime
All Fiberglass Propellers Lifetime
Feeder System Pan Assemblies 5 Years **
Feed Tubes (1-3/4" and 2.00") 10 Years *
Centerless Augers 10 Years *
Watering Nipples 10 Years *
Portable and Tower Dryers 2 Years
Portable and Tower Dryer Frames and
Internal Infrastructure †
5 Years
* Warranty prorated from list price:
0 to 3 years - no cost to end-user
3 to 5 years - end-user pays 25%
5 to 7 years - end-user pays 50%
7 to 10 years - end-user pays 75%
** Warranty prorated from list price:
0 to 3 years - no cost to end-user
3 to 5 years - end-user pays 50%
† Motors, burner components
and moving parts not included.
Portable dryer screens included.
Tower dryer screens not included.
GSI further warrants that the portable and tower dryer frame and basket, excluding all auger and auger drive components,
shall be free from defects in materials for a period of time beginning on the twelfth (12
and continuing until the sixtieth (60
th
) month from the date of purchase (extended warranty period). During the extended
th
) month from the date of purchase
warranty period, GSI will replace the frame or basket components that prove to be defective under normal conditions of
use without charge, excluding the labor, transportation, and/or shipping costs incurred in the performance of this
extended warranty.
Conditions and Limitations:
THERE ARE NO WARRANTIES THAT EXTEND BEYOND THE LIMITED WARRANTY DESCRIPTION SET FORTH
ABOVE. SPECIFICALLY, GSI MAKES NO FURTHER WARRANTY OF ANY KIND, EXPRESS OR IMPLIED,
INCLUDING, WITHOUT LIMITATION, WARRANTIES OF MERCHANTABILITY OR FITNESS FOR A PARTICULAR
PURPOSE OR USE IN CONNECTION WITH: (I) PRODUCT MANUFACTURED OR SOLD BY GSI OR (II) ANY ADVICE,
INSTRUCTION, RECOMMENDATION OR SUGGESTION PROVIDED BY AN AGENT, REPRESENTA TIVE OR
EMPLOYEE OF GSI REGARDING OR RELATED TO THE CONFIGURATION, INSTALLATION, LAYOUT, SUITABILITY
FOR A PARTICULAR PURPOSE, OR DESIGN OF SUCH PRODUCTS.
GSI shall not be liable for any direct, indirect, incidental or consequential damages, including, without limitation, loss of
anticipated profits or benefits. The sole and exclusive remedy is set forth in the Limited Warranty, which shall not exceed
the amount paid for the product purchased. This warranty is not transferable and applies only to the original end-user. GSI
shall have no obligation or responsibility for any representations or warranties made by or on behalf of any dealer, agent
or distributor.
GSI assumes no responsibility for claims resulting from construction defects or unauthorized modifications to products
which it manufactured. Modifications to products not specifically delineated in the manual accompanying the equipment at
initial sale will void the Limited Warranty.
This Limited Warranty shall not extend to products or parts which have been damaged by negligent use, misuse, alteration,
accident or which have been improperly/inadequately maintained. This Limited Warranty extends solely to products
manufactured by GSI.
Prior to installation, the end-user has the responsibility to comply with federal, state and local codes which apply to the
location and installation of products manufactured or sold by GSI.
PNEG-1867 Concrete Foundation Recommendations for GSI CFL Grain Bins 21
This equipment shall be installed in accordance with
the current installation codes and applicable
regulations, which should be carefully followed in all
cases. Authorities having jurisdiction should be
consulted before installations are made.
Copyright © 2012 by GSI Group
Printed in the USA
GSI Group
1004 E. Illinois St.
Assumption, IL 62510-0020
Phone: 1-217-226-4421
Fax: 1-217-226-4420
www.gsiag.com
CN-210072
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