Audit of following 3 Work Instructions was done in Shop # 19. Report is as follows:-
Calibration of Pantograph ( W 19.018):-
Calibration being done in test shed on AM-12 was observed . Practical method being adopted by using a kind of jig is entirely different from the one given in WI.
- WI should be modified accordingly.
- Measurement of Panto lock down force of 17 kg as mentioned in para 3.8 of this WI is to be ensured.
Oxy fuel welding of pipes ( W 19.019):-
- This WI has become obsolete since pipes these days come with bellows.
Transformer oil filtration ( W 19.020):-
- This WI has not been revised since 1996, as new types of filtration plants have come after that.
- Floor are near oil-filtration plant was found very dirty and slippery, same attended.