[MW:15699] Higher thick Piping Welding SEC-IX : Welder position

Dear friends,

I want ur opinion on following matters

WPS qualification of Piping higher thickenss above 19mm (Dia 12" to 36") welding with two welders.==SEC IX

Question-1: Is it require one welder should weld entire circumference(ROOT+HOT) ;then second welder weld entire circumference (FILL+CAP)

YES OR NO

Question-2  Both the welder weld half circumference at same time (side-A 12-9-6,,,,SIde-B 12-3-6)===SEC IX

YES OR NO.

Question 3 : OR its depend on WPS how we have qualified with welder situation.(as per Question-1&Question-2)

YES OR NO.

regards,

mohd.

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