Tabloya Navêrokê


Effective September 2015 to Present FRAME CONSTRUCTION

Column Material

Columns shall be roll formed lipped channels, constructed out of ASTM A1011 coil steel with a minimum yield strength of 55,000 psi before forming. Manufacturer shall keep a copy of the steel strength certification. Fixtures used to fabricate the assembled frame shall be designed to remove all natural twist and camber from the column material. Ends of the columns that get welded to the base plate shall be square to within 1 degree.

Column Punching

Hole locations shall be placed as follows: Holes start at a location required to provide a nominal top of beam location that is on even 2 inch increments as measured from the top of the base plate. Holes are placed on 2 centers along the length of the column. Holes shall be teardrop shape.

industrialracking.txt · Guherandina dawî: 2016/04/21 17:53
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