Concrete & Rebar Requirements





1: Materials required for Twister Flat Bottom Bins

Grain Bin Diameter	Conc. Form Thickness	Approx. Yd. Concrete Req.	10mm x 20' Rebar Req.	15mm x 20' Rebar Req.	Approx. Yd. Gravel Req.
14'	10"	4	32	0	2
19'	10"	6	35	6	4
19'	16"	9	35	9	7
22'	16"	12	40	12	12
25'	24"	22	52	16	25
25'	34"	30	52	20	35
32'	24"	33	82	21	40
32'	34"	42	86	32	55
38'	24"	45	130	24	60
38'	34"	59	130	36	80
44'	34"	78	160	40	115
Note: Gravel requirements listed are after site is up to grade.

2: Materials required for Thickened Edge Hopper Bin Pads

Hopper Bin Diameter	Conc. Pad Diameter	Outer Beam Thickness	Pad Thickness	Approx. Yd. Concrete Req.	10mm Saddles Req.	10mm x 20' Rebar Req.	15mm x 20' Rebar Req.
12'	14'	18"	12"	8	12	25	7
14'	16'	18"	12"	10	13	28	8
16'	18'	18"	12'	14	14	32	9
19'	22'	24"	12"	22	17	36	13
22'	26'	24"	12"	32	20	52	20
1 yd = .76 M		1 M = 1.30 yd

For 12' Hopper Concrete Specs, please click the diagram above.

For 14' Hopper Concrete Specs, please click the diagram above.

For 16' Hopper Concrete Specs, please click the diagram above.

For 19' Hopper Concrete Specs, please click the diagram above.

For 22' Hopper Concrete Specs, please click the diagram above.