According to AASHTO, the Steel Bridge Fabrication QC/QA Guidelines, G4.1, supersede existing S4.1 guidelines and provide information complementary to applicable welding codes and American Institute of Steel Construction (AISC) standards. They will be useful for developing a Fabricator Quality Control System and corresponding Quality System Manual.
The purpose of the guidelines is to provide guidance to owner agencies, fabricators, and contractors for maintaining and ensuring quality inspection and verification standards for fabrication of steel bridges.
Where AISC certification is not required, owners and fabricators should be familiar with applicable AISC requirements and incorporate similar provisions as appropriate, the organizations noted.
AASHTO-NSBA Steel Bridge Collaboration publications can be downloaded via the AASHTO Store.
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