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A grain bin and deck assembly includes a generally cylindrical grain bin having an inclined roof and a substantially vertical cylindrical side wall the top of which is located adjacent to the bottom of the inclined roof, and a deck encircles at least a portion of the cylindrical side wall beneath th

A grain bin and deck assembly includes a generally cylindrical grain bin having an inclined roof and a substantially vertical cylindrical side wall the top of which is located adjacent to the bottom of the inclined roof, and a deck encircles at least a portion of the cylindrical side wall beneath the bottom of the inclined roof and the deck is positioned to permit access to vents on the roof. The deck is mounted to and supported on the exterior of the side wall and its side wall stiffeners which stiffeners are spaced from each other and extend substantially vertically over at least a portion of the height of the cylindrical side wall and adjacent the top of the cylindrical side wall. The deck is fastened to the stiffeners of the side wall by a support assembly which includes mounting plates having a width that extends across the width of the stiffeners, and the mounting plates have plural rows of holes which are arranged to overlie stiffeners of differing widths.

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1. A deck for mounting to the side wall of a cylindrical storage container; said deck comprising: a support assembly comprising a horizontal cross support and an angular brace extending at an angle to said horizontal cross support; said angular brace having one of its ends fastened at one end of sai

1. A deck for mounting to the side wall of a cylindrical storage container; said deck comprising: a support assembly comprising a horizontal cross support and an angular brace extending at an angle to said horizontal cross support; said angular brace having one of its ends fastened at one end of said horizontal cross support;at least one hand rail post mounted to said one end of said horizontal cross support;a hand rail mounted to said hand rail post above said horizontal cross support;at least one mounting plate mounted at the other end of said horizontal cross support or said angular brace, and between said ends and a vertical side wall stiffener on the exterior side wall of the cylindrical storage container, said mounting plate having a width that extends across the width of the vertical stiffener side wall stiffener on the exterior side wall of the cylindrical storage container to permit said mounting plate to be fastened to one said stiffener to mount the deck to the side wall; anda deck plate extending horizontally from and mounted on said horizontal cross support. 2. The deck of claim 1, including two mounting plates one of which is mounted to said other end of said horizontal cross support and the other of which is mounted to said other end of said angular brace, and each of said mounting plates extending across the width of one vertical stiffener on the side wall of the cylindrical storage container to mount the mounting plates to the stiffener. 3. The deck of claim 2, wherein said mounting plates have plural pairs of rows of holes in which said plural pairs of rows of holes are arranged to overlie stiffeners of differing widths. 4. The deck of claim 1, wherein said mounting plate has plural pairs of rows of holes in which said plural pairs of rows of holes are arranged to overlie stiffeners of differing widths. 5. The deck of claim 3 including a strengthening backer on at least one of said mounting plates between said mounting plate and the stiffener, said strengthening backer having holes which align with holes in said mounting plate. 6. The deck of claim 1, wherein said deck plate is trapezoidal in shape to permit the deck to curve around the side wall of the cylindrical storage container. 7. The deck of claim 1, including a tie bar extending between said horizontal cross support and said angular brace. 8. The deck of claim 1, including at least one kick rail positioned above said deck plate and said kick rail is attached at each end to adjacent stiffeners. 9. The deck of claim 1, wherein said cylindrical storage container is a grain bin. 10. The deck of claim 2, wherein said mounting plates have plural pairs of rows of holes in which said plural pairs of rows of holes are arranged to overlie stiffeners of differing widths; a strengthening backer on at least one of said mounting plates between said mounting plate and the stiffener, said strengthening backer having holes which align with holes in said mounting plate;said deck plate is trapezoidal in shape to permit the deck to curve around the side wall of the cylindrical storage container;a tie bar extending between said horizontal cross support and said angular brace;at least one kick rail positioned above said deck plate and said kick rail is attached at each end to adjacent stiffeners; andwherein said cylindrical storage container is a grain bin. 11. The deck of claim 10, wherein said kick rail extends substantially horizontally between said adjacent stiffeners. 12. The deck of claim 8, wherein said kick rail extends substantially horizontally between said adjacent stiffeners. 13. The deck of claim 1, wherein said deck substantially entirely encircles said cylindrical side wall. 14. A grain bin and deck assembly, said grain bin comprising a generally cylindrical grain bin having an inclined roof;a substantially vertical cylindrical side wall the top of which is located adjacent the bottom of said inclined roof;a stiffener on the exterior of said side wall which extends over the height of said side wall to support said side wall over its height, said stiffener having a web attached to said side wall and a flange spaced from and attached to said web and spaced from said side wall; andwherein said deck assembly comprises a deck encircling at least a portion of said cylindrical side wall adjacent the top of said side wall but beneath the bottom of said inclined roof, said deck being mounted to said flange of said stiffener. 15. The assembly of claim 14, wherein said stiffener includes a second flange extending between said first mentioned flange and said web, said second flange attaching said first mentioned flange to said web and spacing said first mentioned flange from said web and said side wall. 16. The assembly of claim 14, wherein said stiffener includes a pair of said flanges spaced from each other, and said deck is mounted to said pair of flanges. 17. The assembly of claim 16, wherein said grain bin includes a plurality of said stiffeners on the exterior of said side wall and which stiffeners are spaced from each other. 18. The assembly of claim 14, wherein said grain bin includes a plurality of said stiffeners on the exterior of said side wall and which stiffeners are spaced from each other. 19. The assembly of claim 14, wherein said grain bin includes at least one vent adjacent the bottom of said inclined roof, and said deck is adjacent said vent to permit access to said vent from said deck. 20. The assembly of claim 14, wherein said deck substantially entirely encircles said cylindrical side wall.