April 06, 2019
ASTM A992 (grade 50) – All columns and beams;
ASTM A36 (grade 50) – Plates, angles and bars;
ASTM A500 – Steel tubes;
ASTM A325 – Type X – All bolts for connection structural members;
ASTM F1554 (grade 50) – All anchor bolts.
Electrodes for all field and shop welding are conform to aws E-70.
Connections made by bolting with 3/4″ diameter, high strength bolts.
All structural steel details and connections are conform to the standard of the AISC.