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VINDHYACHALVINDHYACHAL

ERECTION PROCEDUREERECTION PROCEDURE

OFOF500 MW STEAM TURBINE500 MW STEAM TURBINE

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1. CHECKING OF FOUNDATION1. CHECKING OF FOUNDATIONBEFORE CASTING.BEFORE CASTING.

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2. Checks during Casting/Pouring of2. Checks during Casting/Pouring of

concreteconcrete

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3. CHECKING OF FOUNDATION3. CHECKING OF FOUNDATION

AFTER CASTINGAFTER CASTING

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4. PREPARATION OF4. PREPARATION OF

FOUNDATION FOR PLACEMENTFOUNDATION FOR PLACEMENT

OF PEDESTALS AND BASEOF PEDESTALS AND BASE

PLATES:PLATES:

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5. PLACEMENT OF PEDESTALS5. PLACEMENT OF PEDESTALS

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6. PLACEMENT OF LP BASE6. PLACEMENT OF LP BASE

PLATE, OVER THE FOUNDATIONPLATE, OVER THE FOUNDATION

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7. ALIGNMENT OF PEDESTALS7. ALIGNMENT OF PEDESTALS

AND LP BASE PLATESAND LP BASE PLATES

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8. GROUTING OF PEDESTALS8. GROUTING OF PEDESTALS

AND LP BASE PLATESAND LP BASE PLATES

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9. PLACEMENT OF HP9. PLACEMENT OF HP

MODULE IN POSITIONMODULE IN POSITION

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11. PLACEMENT OF IP11. PLACEMENT OF IP

MODULE IN POSITIONMODULE IN POSITION

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11. ASSEMBLY OF LP MODULE11. ASSEMBLY OF LP MODULE

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12. POSITIONING AND WELDING12. POSITIONING AND WELDING

OF LP CASING CENTERING PINOF LP CASING CENTERING PIN

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13. ASSEMBLY OF GIRDER13. ASSEMBLY OF GIRDER

AND END WALLAND END WALL

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14. ASSEMBLY OF LP INNER14. ASSEMBLY OF LP INNER

INNER AND LP INNER OUTERINNER AND LP INNER OUTER

CASING LOWER HALFCASING LOWER HALF

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15. PLACEMENT OF LP ROTOR15. PLACEMENT OF LP ROTOR

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16. WELDING OF LP OUTER16. WELDING OF LP OUTER

CASINGCASING

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17. WELDING PROCEDURE17. WELDING PROCEDURE

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18. ALIGNMENT AND COUPLING18. ALIGNMENT AND COUPLING

OF LP-IP AND HP ROTOROF LP-IP AND HP ROTOR

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19. PREPARATION OF HP19. PREPARATION OF HP

ROTOR FOR ALIGNMENTROTOR FOR ALIGNMENT

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20. PREPARATION OF IP20. PREPARATION OF IP

ROTOR FOR ALIGNMENTROTOR FOR ALIGNMENT

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21. PREPARATION OF LP21. PREPARATION OF LP

ROTOR FOR ALIGNMENTROTOR FOR ALIGNMENT

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22. ALIGNMENT OF HP, IP22. ALIGNMENT OF HP, IP

AND LP ROTORAND LP ROTOR

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23.REAMING / HONING OF23.REAMING / HONING OF

COUPLING HOLES & BOLTSCOUPLING HOLES & BOLTS

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24. BALANCING OF COUPLING24. BALANCING OF COUPLING

BOLTSBOLTS

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25. COLOUR MATCHING OF25. COLOUR MATCHING OF

THRUST BEARINGTHRUST BEARING

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26. ALIGNMENT OF HP,IP AND26. ALIGNMENT OF HP,IP AND

LP CASINGLP CASING

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27. FINAL TIGHTENING OF27. FINAL TIGHTENING OF

COUPLINGSCOUPLINGS

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28. BOXING UP OF LP INNER28. BOXING UP OF LP INNER

INNER AND LP INNER OUTERINNER AND LP INNER OUTER

CASINGCASING

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29. BOXING UP OF LP OUTER29. BOXING UP OF LP OUTER

CASINGCASING

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30. FINAL DROP CHECK30. FINAL DROP CHECK

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THANK YOUTHANK YOU