Weld inspection.

The owner of a project has the right to designate an inspection company to verify the quality of the weldings during it´s construction, and this area is covered in section 6 of the code AWS D1.1/D1.1M Structural  Welding Code - Steel. In the video above we can see a CPJ, (Complete Penetration Joint) in a pipe and in this case the welders are performing a NDT, ( Non Destructive Test) with Liquid Penetrant to verify the quality of the weld, in this case all pipe joints were checked with this system and this is covered in section 6.10 of the code after the first pass of the weld..-

As the readers can apreciate, the joint of the pipes has a "V" beveled joint as aproved in the prequalified joints in Figure 3.4 and they have a geometry as shown below:

 In this drawing we can see the main parts of this kind of joints:

1. Root opening "R" 

2. Roof penetration "f"

3. Angle of the bevel 

More aspects will be covered later.