Structural Staircase Fabrication Tutorial

how to layout, mark, a structural staircase tutorial.
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Butt welded pipe fittings: pdf
https://drive.google.com/file/d/1ZjOi...
ANSI Flanges: pdf
https://drive.google.com/file/d/1Ge6V...
Pipe bending methods: pdf
https://drive.google.com/file/d/1uXxm...
Pipe dimension chart: pdf
https://drive.google.com/file/d/1c0UJ...
Pipe wall thickness: pdf
https://drive.google.com/file/d/1AZyR...
Post weld heat treatment procedure: pdf
https://drive.google.com/file/d/1KP93...
Stainless steel cast fittings: pdf
https://drive.google.com/file/d/1Txid...
Threaded fittings: pdf
https://drive.google.com/file/d/1wEBM...
Valves chart: pdf
https://drive.google.com/file/d/1yuPA...
Olets: pdf
https://drive.google.com/file/d/1uRjN...
Piping interview questions: pdf
https://drive.google.com/file/d/18uQ3...
Piping engineering: pdf
https://drive.google.com/file/d/1n6wj...
Magnetic particle test: pdf
https://drive.google.com/file/d/1kAGQ...
Liquid penetrant test: pdf
https://drive.google.com/file/d/1Ih4R...
Radiographic test: pdf
https://drive.google.com/file/d/1_mTZ...
Ultrasonic test: pdf
https://drive.google.com/file/d/109sM...
The piping guide: pdf
https://drive.google.com/file/d/15sYX...
Welding secrets: pdf
https://drive.google.com/file/d/11DFF...