Welding Schedule Vwha-054

Page 1 of 15

ERECTION WELDING SCHEDULE

BOILER NAME : M/s. Baldev Alloys (P) ltd., BOILER NO : VWTA20 (30TPH SINGLE DRUM FBC BOILER)

DRG NO : VWTA20-00-00-0-015/00 ( PRESSURE PARTS ARRANGEMENT)

SL NO DESCRIPTION FILLER ROD SPECN PWHT

01 EW 01 ECONOMISER COILS 69 ER 70-S E7018-1 10% NIL

02 EW 02 1 ER 70-S E7018-1 10% NIL

03 EW 03 1 ER 70-S E7018-1 10% NIL

04 EW 04 5 ER 70-S E7018-1 10% NIL

05 EW 05 1 ER 70-S E7018-1 10% NIL

06 EW 06 DOWN COMER 2 ER 70-S E7018-1 100%

07 EW 07 DOWN COMER 2 ER 70-S E7018-1 100% NIL





ERECTIONWELD NO

NO OFJOINTS

SIZE OF THE PIPE/ TUBES (mm) (OD & THK)

MATERIALCOMBINATION

ELECTRODESPECN.

X-Ray (NO. OF JOINTS)

ø38.1 X 4.06 THK./ø38.1 X 4.06 THK.

SA 210 GR.A1/SA 210 GR.A1.

ECONOMISER OUTLET TO DRUM INLET LINK

ø114.3 X 8.56 THK /ø114.3 X 6.02 THK.

SA 106 GR.B/SA 106 GR.B.


ø114.3 X 6.02 THK /ø114.3 X 6.02 THK.

SA 106 GR.B/SA 234 WPB.


ø114.3 X 6.02 THK /ø114.3 X 6.02 THK.



ø168.3 X 10.97 THK /ø168.3 X 10.97 THK.


ø273.1 X 21.44 THK /ø273.1 X 12.7 THK.

SA 106 GR.B/SA 106 GR.B. 100°C

ø219.1 X 18.26 THK /ø219.1 X 10.31 THK.


ø273.1 X 12.7 THK /ø273.1 X 18.26 THK.


ø219.1 X 10.31 THK /ø219.1 X 10.31 THK.


ø219.1 X 10.31 THK /ø219.1 X 10.31 THK.

SA 234 WPB/SA 106 GR.B.

ø219.1 X 18.26 THK /ø219.1 X 10.31 THK.


Page 2 of 15

SL NO DESCRIPTION FILLER ROD SPECN PWHTERECTIONWELD NO

NO OFJOINTS


MATERIALCOMBINATION

ELECTRODESPECN.


12 EW 12 5 ER 70-S E7018-1 100% NIL

13 EW 13 BED COIL/WATER WALL HEADERS 12 ER 70-S E7018-1 100% NIL

14 EW 14 8 ER 70-S E7018-1 10% NIL

15 EW 15 58 ER 70-S E7018-1 10% NIL

16 EW 16 RIGHT SIDE WATER WALL TUBES 2 ER 70-S E7018-1 10% NIL

17 EW 17 LEFT SIDE WATER WALL TUBES 2 ER 70-S E7018-1 10% NIL

18 EW 18 RISER 8 ER 70-S E7018-1 10% NIL

19 EW 19 RISER 10 ER 70-S E7018-1 10% NIL

20 EW 20 RISER 8 ER 70-S E7018-1 10% NIL

21 EW 21 RISER 8 ER 70-S E7018-1 10% NIL

22 EW 22 RISER 4 ER 70-S E7018-1 10% NIL

23 EW 23 DRUM TO C.S.H LINK 2 ER 70-S E7018-1 10% NIL


25 EW 25 C.S.H TO R.S.H. LINK 2 ER 70-S E7018-1 10% NIL

FRONT,REAR,ROOF PANEL HEADERS

ø219.1 X 18.26 THK /ø219.1 X 18.26 THK.


ø219.1 X 18.26 THK /ø219.1 X 18.26 THK.


FRONT & REAR WATER WALL TUBES

ø51 X 4.06 THK /ø51 X 4.06 THK.

SA 210 GR.A1/SA 210 GR.A1.

FRONT & REAR WALL ROOF PANEL TUBES

ø51 X 4.06 THK /ø51 X 4.06 THK.

SA 210 GR.A1/SA 210 GR.A1.

ø51 X 4.06 THK /ø51 X 4.06 THK.

SA 210 GR.A1/SA 210 GR.A1.

ø51 X 4.06 THK /ø51 X 4.06 THK.

SA 210 GR.A1/SA 210 GR.A1.

ø168.3 X 14.27 THK /ø168.3 X 7.11 THK.


ø168.3 X 7.11 THK /ø168.3 X 7.11 THK.


ø168.3 X 14.27 THK /ø168.3 X 7.11 THK.


ø114.3 X 8.65 THK /ø114.3 X 6.02 THK.


ø114.3 X 6.02 THK /ø114.3 X 6.02 THK.


ø114.3 X 6.02 THK /ø114.3 X 8.56 THK.


ø114.3 X 6.02 THK /ø114.3 X 6.02 THK.


ø168.3 X 10.97 THK /ø168.3 X 10.97 THK.


Page 3 of 15


NO OFJOINTS


MATERIALCOMBINATION

ELECTRODESPECN.



27 EW 27 C.S.H COILS 56 ER 70-S E7018-1 10% NIL




31 EW 31 R.S.H COILS 28 ER 80-S E8018-B2 10%


33 EW 33 R.S.H TO OUTLET LINK 1 ER 80-S E8018-B2 100%


Chief Inspector of Boiler,Chhattisgarh.

ø114.3 X 6.02 THK /ø114.3 X 8.56 THK.


ø44.5 X 4.50 THK /ø44.5 X 4.50 THK.

SA 210 GR.A1/SA 210 GR.A1.

ø168.3 X 14.27 THK /ø168.3 X 10.97 THK.


ø168.3 X 10.97 THK /ø168.3 X 10.97 THK.


ø168.3 X 14.27 THK /ø168.3 X 10.97 THK.


ø38.1 X 4.06 THK /ø38.1 X 4.06 THK.

SA 213 T11/SA 213 T11. 125°C

ø38.1 X 4.06 THK /ø38.1 X 4.06 THK.

SA 213 T22/SA 213 T22. 125°C

ø168.3 X 14.27 THK /ø168.3 X 14.27 THK.

SA 335 GR.P11/SA 335 GR.P11. 125°C

ø168.3 X 14.27 THK /ø168.3 X 10.97 THK.

SA 335 GR.P11/SA 234 WP11 CL1. 125°C

M/S. VEESONS ENERGY SYSTEM (p) LTD

Page 4 of 15


BOILER NO : VWTA20 (30TPH SINGLE DRUM FBC BOILER)


PHSR

NIL

NIL

NIL

NIL

NIL

NIL

NIL

NIL

NIL

NIL

600 ± 20°C

Page 5 of 15

PHSR

NIL

NIL

NIL

NIL

NIL

NIL

NIL

NIL

NIL

NIL

NIL

NIL

NIL

NIL

Page 6 of 15

PHSR

NIL

NIL

NIL

NIL

NIL

NIL

NIL


620-660°C

620-660°C


BOILER NAME : M/s. Raipur Power & Steel Ltd BOILER NO : VWTA16 (35TPH SINGLE DRUM FBC BOILER)


SL NO DESCRIPTION FILLER ROD SPECN PWHT PHSR

01 EW 01

02 EW 02

03 EW 03

04 EW 04

05 EW 05

06 EW 06

07 EW 07

08 EW 08

09 EW 09

10 EW 10

ERECTIONWELD NO

NO OFJOINTS


MATERIALCOMBINATION

ELECTRODESPECN.


SA 213 T22/SA 213 T22.

SA 335 GR.P11/SA 335 GR.P11

SA 335 GR.P11/SA 234 WP11 CL1.

SA 335 GR.P11/SA 234 WP11 CL1.

11 EW 11

12 EW 12

13 EW 13

14 EW 14

15 EW 15

16 EW 16

17 EW 17

18 EW 18

19 EW 19

20 EW 20

21 EW 21

22 EW 22

23 EW 23

24 EW 24

25 EW 25

26 EW 26

27 EW 27

28 EW 28

29 EW 29

30 EW 30

31 EW 31

32 EW 32

33 EW 33

34 EW 34

35 EW 35

36 EW 36

37 EW 37

38 EW 38

39 EW 39

40 EW 40

41 EW 41

42 EW 42

Chief Inspector of Boiler,Chhattisgarh.M/S. VEESONS ENERGY SYSTEM (p) LTD

Page 10 of 15


BOILER NAME : M/s. Baldev Alloys (P) ltd., BOILER NO : VWTA54 (05TPH SINGLE DRUM FBC BOILER)


SL NO DESCRIPTION FILLER ROD SPECN PWHT

01 EW 01 WATER WALL HEADER 2 ER 70-S E7018-1 10% NIL

02 EW 02 BAFFLE WALL TOP HEADER 2 ER 70-S E7018-1 10% NIL

03 EW 03 EVAPORATOR -I & II 308 ER 70-S E7018-1 10% NIL

04 EW 04 WATER WALL PANELS 147 ER 70-S E7018-1 10% NIL


06 EW 06 DOWN COMER 2 ER 70-S E7018-1 100%






ERECTIONWELD NO

NO OFJOINTS


MATERIALCOMBINATION

ELECTRODESPECN.


ø168.3 X 14.27 THK /ø168.3 X 14.27 THK.


ø219.1 X 15.09 THK /ø219.1 X 15.09 THK.


ø44.5 X 4.06 THK /ø44.5 X 4.06 THK.

SA 210 GR.A1/SA 210 GR.A1.

ø51 X 4.06 THK /ø51 X 4.06 THK.

SA 210 GR.A1/SA 210 GR.A1.

ø219.1 X 12.7 THK /ø219.1 X 15.7 THK.


ø273.1 X 21.44 THK /ø273.1 X 12.7 THK.

SA 106 GR.B/SA 106 GR.B. 100°C

ø219.1 X 18.26 THK /ø219.1 X 10.31 THK.


ø273.1 X 12.7 THK /ø273.1 X 18.26 THK.


ø219.1 X 10.31 THK /ø219.1 X 10.31 THK.


ø219.1 X 10.31 THK /ø219.1 X 10.31 THK.

SA 234 WPB/SA 106 GR.B.

ø219.1 X 18.26 THK /ø219.1 X 10.31 THK.


Page 11 of 15


NO OFJOINTS


MATERIALCOMBINATION

ELECTRODESPECN.


12 EW 12 5 ER 70-S E7018-1 100% NIL

13 EW 13 BED COIL/WATER WALL HEADERS 12 ER 70-S E7018-1 100% NIL

14 EW 14 8 ER 70-S E7018-1 10% NIL

15 EW 15 58 ER 70-S E7018-1 10% NIL

16 EW 16 2 ER 70-S E7018-1 10% NIL

17 EW 17 LEFT SIDE WATER WALL TUBES 2 ER 70-S E7018-1 10% NIL

18 EW 18 RISER 8 ER 70-S E7018-1 10% NIL

19 EW 19 RISER 10 ER 70-S E7018-1 10% NIL

20 EW 20 RISER 8 ER 70-S E7018-1 10% NIL

21 EW 21 RISER 8 ER 70-S E7018-1 10% NIL

22 EW 22 RISER 4 ER 70-S E7018-1 10% NIL




FRONT,REAR,ROOF PANEL HEADERS

ø219.1 X 18.26 THK /ø219.1 X 18.26 THK.


ø219.1 X 18.26 THK /ø219.1 X 18.26 THK.


FRONT & REAR WATER WALL TUBES

ø51 X 4.06 THK /ø51 X 4.06 THK.

SA 210 GR.A1/SA 210 GR.A1.

FRONT & REAR WALL ROOF PANEL TUBES

ø51 X 4.06 THK /ø51 X 4.06 THK.

SA 210 GR.A1/SA 210 GR.A1.


ø51 X 4.06 THK /ø51 X 4.06 THK.

SA 210 GR.A1/SA 210 GR.A1.

ø51 X 4.06 THK /ø51 X 4.06 THK.

SA 210 GR.A1/SA 210 GR.A1.

ø168.3 X 14.27 THK /ø168.3 X 7.11 THK.


ø168.3 X 7.11 THK /ø168.3 X 7.11 THK.


ø168.3 X 14.27 THK /ø168.3 X 7.11 THK.


ø114.3 X 8.65 THK /ø114.3 X 6.02 THK.


ø114.3 X 6.02 THK /ø114.3 X 6.02 THK.


ø114.3 X 6.02 THK /ø114.3 X 8.56 THK.


ø114.3 X 6.02 THK /ø114.3 X 6.02 THK.


ø168.3 X 10.97 THK /ø168.3 X 10.97 THK.


Page 12 of 15


NO OFJOINTS


MATERIALCOMBINATION

ELECTRODESPECN.



27 EW 27 C.S.H COILS 56 ER 70-S E7018-1 10% NIL









ø114.3 X 6.02 THK /ø114.3 X 8.56 THK.


ø44.5 X 4.50 THK /ø44.5 X 4.50 THK.

SA 210 GR.A1/SA 210 GR.A1.

ø168.3 X 14.27 THK /ø168.3 X 10.97 THK.


ø168.3 X 10.97 THK /ø168.3 X 10.97 THK.


ø168.3 X 14.27 THK /ø168.3 X 10.97 THK.


ø38.1 X 4.06 THK /ø38.1 X 4.06 THK.

SA 213 T11/SA 213 T11. 125°C

ø38.1 X 4.06 THK /ø38.1 X 4.06 THK.

SA 213 T22/SA 213 T22. 125°C

ø168.3 X 14.27 THK /ø168.3 X 14.27 THK.

SA 335 GR.P11/SA 335 GR.P11. 125°C

ø168.3 X 14.27 THK /ø168.3 X 10.97 THK.

SA 335 GR.P11/SA 234 WP11 CL1. 125°C

M/S. VEESONS ENERGY SYSTEM (p) LTD

Page 13 of 15


BOILER NO : VWTA54 (05TPH SINGLE DRUM FBC BOILER)


PHSR

NIL

NIL

NIL

NIL

NIL

NIL

NIL

NIL

NIL

NIL

600 ± 20°C

Page 14 of 15

PHSR

NIL

NIL

NIL

NIL

NIL

NIL

NIL

NIL

NIL

NIL

NIL

NIL

NIL

NIL

Page 15 of 15

PHSR

NIL

NIL

NIL

NIL

NIL

NIL

NIL


620-660°C

620-660°C

Documents

Welding Schedule Vwha-054