Grain Systems PNEG-366 - Manual (Page 4)

Grain Systems, Inc. Assumption, Ill.
4
18' Autoflow
18' Diameter Bin
FROST FREE PAD
NOTES:
• Foundation site should be well drained and free of vegetation or debris.
• Foundation design is based on a minimum soil bearing capacity of 3,000 lb/ft 2 . If soil bearing capacity is in
doubt, contact a local soil testing engineer.
• Concrete shall have a minimum compressive strength of 3,000 PSI at 28 days.
• Requirements for reinforcement do not include overlap.
• Lap all circumferential bars 35 bar diameters and stagger all laps in plan 3'-0".
• All material used for back fill inside the ring wall should be a clean, well graded, crushed stone or sand-gravel
mixture. Back fill should be placed in 6" lifts and well compacted.
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#6 Bars @ 12" c/c
Req'd only if "b" is
Greater than 2'-0"
Outside Radius
1/2" Expansion Joint
"N" #6 Bars
Evenly Spaced
Well Compacted Fill
6"
3" CI.
6" Max.
1'-6"
"b"
1'-0" Min. Two Layers
6 x 6 - 6/6 Wire Mesh
Vapor Barrier
Figure #4
Ring Number 5 6 7 8
b 1'-0" 1'-0" 1'-0" 1'-7"
N 2 2 2 2
Outside Radius 9'-9" 9'-9" 9'-9" 9'-9"
Sq. Ft. Mesh 6 x 6 - 6/6 500 500 500 500
Length of #6 Bars 200 200 200 200
Total Cubic Yd. Concrete 8 8 8 9
REV. 11-20-96