A C12x20.7 landing beam bears on a steel column fitted with a 3/8-inch by 3-1/2-inch by 3-1/2-inch cap plate. The web of the landing beam connects via a 3/8-inch by 3-1/2-inch by 9-inch plate fastened with two 3/4-inch diameter ASTM A325-N bolts. Fillet welds of 1/4-inch size secure the connection plates with field weld symbols indicating the installation points.
1/4 1/4 3/8"x3-1/2"x3-1/2" CAP PLATE STEEL COLUMN STEEL BEAM 1/4 3/8" x 3-1/2" x 9" PLATE w/ (2) 3/4" DIA. A-325 N BOLTS C12x20.7 LANDING BEAM
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