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stair tread holes overlap on Stringer Mitre Cut
Posted by on December 22, 2010 at 11:18 AM. | 1 Comment »

When a stair was placed with the treads with respect to Run and Rise as specified in Design Drawing, there is a possibility that the tread hole may exactly come on the mitre cut of the Stair Stringer. What may the best possible solution in such cases?

ASTM A572 grade 50
Posted by on December 1, 2010 at 4:14 PM. | 1 Comment »

is it possible to use ASTM A 572 grade 50 in plates up to 5"?,if not, which is the recommended steel for substitute in a Bridge structre application