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A plank grating assembly for forming decking, flooring or subflooring. Longitudinal metal planks have flanges on each side edge and trapezoidal openings in each flange. The planks are rigidly connected and supported by cross braces each having an inverted V shaped configuration. Each brace is slotte

A plank grating assembly for forming decking, flooring or subflooring. Longitudinal metal planks have flanges on each side edge and trapezoidal openings in each flange. The planks are rigidly connected and supported by cross braces each having an inverted V shaped configuration. Each brace is slotted at both ends. The braces can be inserted through the openings in the plank flanges and then rotated to an assembled position in which the edges of adjacent openings are closely received in the slots of the braces.

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A plank grating arrangement comprising: a plurality of elongate planks each having a deck panel and flanges on opposite sides of each panel, said planks being adapted to be arranged side by side with the panels cooperating to form a substantially continuous load bearing deck surface and with flanges

A plank grating arrangement comprising: a plurality of elongate planks each having a deck panel and flanges on opposite sides of each panel, said planks being adapted to be arranged side by side with the panels cooperating to form a substantially continuous load bearing deck surface and with flanges of adjacent planks being disposed against one another; a plurality of spaced apart openings in the flanges of each plank, each opening having a lateral dimension defined between side edges of the opening and a vertical dimension defined between upper and lower edges of the opening; and a plurality of removable braces each long enough to span the flanges of each plank and each having opposite end portions presenting slot means therein, each brace being insertable through aligned openings in the plank flanges with a heat dimension of the brace oriented generally parallel to the lateral dimensions of the openings and being thereafter rotatable in the openings to an assembled position wherein the height dimension of the brace is oriented generally parallel to the vertical dimensions of the openings and said upper and lower edges of the openings in adjacent flanges fit closely in said slot means to rigidly connect the planks together for formation of the load bearing deck surface with the braces immediately underlying and in contact with the deck panels to receive loads applied thereto and the adjacent flanges of the planks held together in contact with one another by the fit of said upper and lower edges of the openings in said slot means, said braces being removable from said slot means.