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Identification
of Raw-material, welding procedure Qualification Cutting and Edge
preparation. |
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Rolling
of shell and Long seam set up with Prod. coupon plate. |
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Approval
for welding of Long seam welding. |
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First
side Long seam Welding as per approved WPS/PQR. |
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Approval
for 2nd side welding after back chip/DP test. |
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NDT/Radiography
inspection, (repair of any ) and Re-Radiography. |
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Cir.
setup approval for welding. |
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Approval
of 2nd pass of Cir. Welding after DP test of root-run. |
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Dish
manufacturing /Inspection/Setup approval for welding. |
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Radiography
of Dish/Shell Cir. Seam Welding. |
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Nozzle
orientation marking, cutting, setup and approval for welding. |
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Fitting
of lugs, saddle supports & approval for welding. |
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NDT
Clearance. |
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Dimensional
checkup and release for stress relieving. |
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Inspection
of Stress relieving and release for testing. |
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Hydro
test. |
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Clearance
of the internal check free from water. |
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Sand
Blasting. |
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Mounting
fitting. |
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Air
test. |
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Weighing
and painting. |
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Final
Inspection and Control Certificate. |
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Safety
certificate -Ready for worthiness. |
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