cswip 3.2 drawing review

7/24/2019 cswip 3.2 Drawing Review

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S R o g e r sCopyright 2003 TWI Ltd

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Answers Drawing CBS EN 22553

Course Reference WIS 10


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Remember in the CSWIP 3.2 Senior Welding Inspectors

examination 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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Drawings and Weld Symbol InterpretationDrawings 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 symbol interpretation, you

are then required to comment on the drawing with

reference to errors and incorrect set-ups


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1. Welded arrow side: Single-J butt, flat (flush) finish.

Welded other side: 12mm leg length fillet weld.

2. Welded arrow side: Single-bevel butt partial

penetration, depth of preparation 25mm.

Welded other side: 6mm leg length fillet weld, welded

all way around, Drawing indicates the pipe to be

prepared incorrect set-up

3. Welded both sides: 12mm leg length fillet weld, toes

blended smooth, welded all way round (peripheral weld).

After welding is completed MT to be carried out.

4. Welded arrow side: Single-bevel butt weld, smooth

finish.


BS EN 22553 Answers DRG C


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Y5. Welded both sides: Double-bevel butt weld with a

broad root face, A.1 reference symbol indicates specific

instructions e.g. procedure sheet.

6. Welded arrow side: Single-J butt depth of preparation

50mm with a 35mm leg length fillet weld superimposed,

toes shall be blended smooth

Welded other side: 8mm leg length fillet weld

7. Welded arrow side: Steep-flanked single-bevel butt

with a 12mm leg length fillet weld superimposed.


8. Welded arrow side: Steep flanked single-bevel butt

flush finish



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9. Welded arrow side: Square butt, site or field weld.

10. Welded arrow side: Surfacing weld (hard facing).

11. Welded arrow side: Single-J butt with a 25mm leg

length fillet weld superimposed, reference symbol

indicates specific instruction.

12. Welded arrow side: Double bevel butt weld, 16mm leg

length fillet weld superimposed, weld to be made all

way around component.

Note: fillet weld should be placed on other side.



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Y13. Welded both sides: Five fillet welds 8mm leg lengths,

Length of each weld 20mm distance between each

weld 20mm

14. Welded arrow side: 35mm leg length fillet weld

concave profile

15. Welded arrow side: 12mm leg length, welded all way

around part (peripheral) weld

16. Welded other side: 12mm leg length,concave profile

welded all way around part (peripheral) weld

20 20 20

20 20 20



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17. Welded both sides: Double-bevel butt with a 12mm

leg length fillet weld superimposed peripheral weld.After welding to be inspected with UT.

18. Welded both sides: Three 16mm leg length fillet

welds, each weld 25mm in length, gap between each

weld 50mm welds to be staggered.

19. Welded both sides: Three 12mm leg length fillet

welds, each weld 50mm in length, To be welded with

the MAG process.

20. Welded arrow side: Single-bevel butt weld with a

10mm leg length fillet weld superimposed, peripheral

weld. After welding weld to be inspected with UT

25

25 50 25

50

50



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Y21. Welded both sides: Single-J butt, flush finish,

peripheral weld

22. Welded arrow side: Steep-flanked single-V butt, flat

(flush finish).

Welded other side: Backing run flat (flush) finish, weld

to be made all around the part welded using the MAG

process

23. Welded both sides: Double-U butt weld, flat (flush

finish peripheral weld.



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24. Welded arrow sides: Convex single-V butt weld with

permanent backing strip.

25. Welded both sides: Concave fillet weld with 12mm leg

lengths. MT inspection required.



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cswip 3.2 drawing review

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