Answers Drawing A

 

SWI 3.2

Answers Drawing A  A  BS EN 22553 Course Reference WIS 10  10  Copyright © 2003 TWI Ltd

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SWI 3.2

Remember in the CSWIP 3.2 Senior Welding Inspectors examination examinati on your are required to interpret a fabrication drawing and comment on the welding symbols 

Time allowed 1 hour 



The drawing will contain around 15 to 20 symbols

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M.S.Rogers  M.S.Rogers .S.Rogers   .S.Rogers

 

SWI 3.2

Drawings and Weld Symbol Interpretation With the supplied drawing you are required to carry out the following 1. Reference the drawing number onto your answer sheet 2. Specify the standard to which the weld symbols apply 3. Produce a neat sketch of how you see the welds, numbering each weld individually. 4. Fully describe each weld symbol, example Welded arrow side: Single-V butt Welded other side: Sealing run. 5. On completion of the welding welding symbol interpretation, you are then required to comment on the drawing with reference to errors and incorrect set-ups Copyright © 2003 TWI Ltd

M.S.Rogers  M.S.Rogers .S.Rogers   .S.Rogers

 

SWI 3.2

Copyright © 2003 TWI Ltd

M.S.Rogers  M.S.Rogers .S.Rogers   .S.Rogers

 

SWI 3.2

BS EN 22553 Answers DRG A

8 8

1.

2.

12

3.

4.  Welded arrow side: 8mm leg length fillet, welded 4. all way around (peripheral weld) Toes to be blended smooth Welded other side: Single-J butt, welded all way around. The drawing drawing indicates the pipe to t o be prepared, incorrect set-up.  set-up.  Copyright © 2003 TWI Ltd

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BS EN 22553 Answers DRG A

SWI 3.2

5.  Welded arrow side: Steep-flanked single-V butt weld, 5. with permanent backing strip.

6.  Welded arrow side: Single-J butt weld, welded all way 6. around. Welding Welding to be carried out on site. sit e.  

7.  Welded arrow side: 12mm leg length fillet weld, 8mm 7. throat thickness concave profile

8.  Welded both sides: 6mm leg length fillet weld 8.

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M.S.Rogers  M.S.Rogers .S.Rogers   .S.Rogers

Copyright © 2003 TWI Ltd  

BS EN 22553 Answers DRG A

SWI 3.2

9.  Welded both sides: 8mm leg length fillet weld 9.

10.  Welded arrow side: Single-bevel butt, depth of  10. penetration 10mm, partial penetration. Welded other side: 6mm leg length fillet weld.

11. 1.  Welded both sides : 8mm leg length fillet weld  weld 

12.  Welded arrow side: 20mm leg length fillet weld, 14mm 12. throat thickness Welded other side: 10mm leg length fillet weld, 7mm throat thickness, M.S.Rogers  M.S.Rogers .S.Rogers   .S.Rogers

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SWI 3.2

BS EN 22553 Answers DRG A

13.  Welded arrow side: Single-J butt, welded using the 13. MAG process.

50

14.  Welded both sides: 6mm leg length fillet welds, 50mm 14. in length, 25mm gap between each weld. Welds to be staggered.

15. Welded arrow side: Baking run flat (flush) finish. Welded other side: Single-V butt, 8mm depth of  preparation. 16.  Welded arrow side: Single-J butt, flat (flush) finish. 16.

50

25

25

50

50

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M.S.Rogers  M.S.Rogers .S.Rogers   .S.Rogers

 

BS EN 22553 Answers DRG A

17.  Welded all way around: Square butt weld cap 17. reinforcement convex profile. Welding to be carried out on site. Note dotted line missing 18.  Welded arrow side: Single-U butt. 18.

19.  Welded arrow side: Backing run 19. Welded other side: Single-V butt, flat (flush) finish.

20.  Welded both sides: Double-J butt weld with a 20. superimposed 8mm leg length fillet welded arrow side 21.  Welded arrow side: Single-bevel butt weld, 14mm 21. depth of penetration, 6mm leg length fillet weld superimposed. Welded other side: 4mm leg length fillet weld

SWI 3.2