corrigendum 2 dated oct 13, 2016 to tender specification ... corrigendum -2.pdf · ifs code :...

Corrigendum 2 dated Oct 13, 2016 to Tender Specification BHEL PSSR SCT 1640 of 135

Corrigendum 2 dated Oct 13, 2016 to Tender Specification BHEL PSSR SCT 1640

A) Some of the bidders had raised queries in the published tender specification. The Clarifications issued by BHEL are furnished below:

No Reference clause Existing provision Bidder’s query BHEL’s clarification

1) Techno commercial bid, Volume – I Book – I, Notice Inviting Tender Clause no 1.0 (v)

Extension of due date for offer submission

Please extend the date of submission of Bid by ten days

Extension of due date for offer submission could not be granted due to project requirement.

2) Technical Conditions of Contract (TCC) Volume IA, Part-I Chapter –V clause 1.5.11

The contractor at his cost shall arrange for grouting of anchor points of T & Ps issued to him. Necessary grout materials are to be arranged by the contractor at his cost.

Kindly clarify the type of grout material like GP1, GP2, Epoxy or Cement etc.

Grouting materials in line with Clause nos 1.12.9, 2.2.1.2 Sl no 5 and 2.2.2.3 Sl no 6 of TCC

3) TCC Volume IA, Part-I Chapter-XII clause 1.12.7

The contractor shall arrange for grouting of foundation bolt holes …….. .. ………. ……… ……….. ………. ……. ………. to take note of this aspect and quote accordingly.

Kindly clarify whether grouting of equipment is in Piping contractor scope.

Grouting of all equipments under the scope of this contract is to be arranged by the agency within quoted rates.



4) TCC Volume IA, Part-I Chapter-XV clause 1.14.2.50

Wherever drawings indicate site routing and site fabrication, such pipes (in general equal to and less than 2" dia) will be issued in running meters as straight length

Kindly Provide the size wise Pipe Length, Thickness and material specification and NDT percentage

These shall be as per drawings issued at site from time to time

5) TCC Volume IA, Part-I

The following PGMA has been referred:-

PGMA-80-307, 80-324, 80-336, 80-340, 80-341, 80-342, 80-343, 80- 344, 80-352, 80-355, 80-385, 80-395, 80-407, 80-419, 80-434, 80-449, 80-452, 80-454, 80-455, 80-463, 80-471, 80-477, 80-478, 80-480, 80-495, 80-545, 80-610, 80-612, 80-614, 80-604, 80-673, 80-816, 80-830, 80-901, 80-920, 80-921, 80-922, 80-928, 80-930, 80-933, 80-941, 80-942, 80-943, 80-992, 80-XXX

Field Weld Details are not available. Kindly provide the same.

Field / Erection Welding Schedule published in the TCC booklet stands deleted. However, Field / Erection Welding Schedule enclosed with this corrigendum is applicable.

EWS of PGMAs as given by the Manufacturing Unit is enclosed with this corrigendum.

6) TCC Volume IA, Part-II Chapter –I Sl.No. 2 Clause no 1.9.2

Modes of deposit of EMD i) Cash deposit as permissible under

Income Tax Act (before tender opening),

ii) Electronic Fund Transfer credited in BHEL account (before tender opening),

Kindly provide BHEL Bank Account details, for Electronic Fund Transfer.

Bank Name : State Bank of India, Saidapet Branch

Account No : 10610819499

IFS Code : SBIN0000912



7)

TCC Volume IA, Part-II chapter 3 Field / Erection Welding Schedule

PGMA 80-320 SI.No. 3, OD 965, Total No of Joints are 38 nos. and Thk. Is 22.23, 25, & 27 mm.

SI.No. 5, OD 965, Total No of Joints are 8 nos. and Thk. ls 42 & 50 mm.

Kindly provide the Joints details individual thickness wise.

For Pipes with same OD and different thickness, the estimated value of weld groove depth is indicated in the “Type of Weld” column. Bidder to calculate joint details accordingly. Approximate quantity of Electrodes required also has been indicated for each OD. Please note that Field / Erection Welding Schedule published in the TCC booklet stands deleted. However, Field / Erection Welding Schedule enclosed with this corrigendum is applicable.

PGMA 80-312 SI.No. 1, OD 660, Total No of Joints are 36 nos. and Thk. is 30 & 35 mm

PGMA 80-311 SI.No. 2, OD 762, Total No of Joints are 10 nos. and Thk. is 29 & 35 mm.

PGMA 80-310 SI.No. 2, OD 558, Total No of Joints are 38 nos. and Thk. is 22.7, 27 & 40 mm.

SI.No. 3, OD 762, Total No of Joints are 47 nos. and Thk. is 29, 45 & 32 mm.

SI.No. 4, OD 965, Total No of Joints are

23 nos. and Thk.is 35 & 42 mm

PGMA 80-304 SI.No. 1, OD 323.9, Total No of Joints are 33 nos. and Thk. Is 35 & 42 mm.

PGMA 80-301 SI.No. 1, OD 559, Total No of Joints are 30 nos. and Thk.8 is 54 & 60 mm.

SI.No. 2, OD 406.4, Total No of Joints are 14 nos. and Thk. Is 42, 45 & 50mm.



8) TCC Volume IA, Part-II chapter 3 Field / Erection Welding Schedule

PGMA 80-310 SI.no. 6, ID 800mm, and Thk. 43mm

As per your welding schedule Heat Treatment, NDT etc. not required. But Heat Treatment, NDT etc. is required. Kindly clarify.

Please refer EWS enclosed with this corrigendum, wherein the details are mentioned.

Please note that Field / Erection Welding Schedule published in the TCC booklet stands deleted. However, Field / Erection Welding Schedule enclosed with this corrigendum is applicable.


PGMA 80-300 SI.no. 1, OD 368mm, and Thk. 32 mm


PGMA 80-423 SI.no. 3, ID 300mm, and Thk. 100 mm

PGMA 80-424 SI.no. 2, ID 300mm, and Thk. 100 mm

All other conditions of the tender specification remain unchanged.

Bidders are requested to consider this corrigendum as part of tender specification and quote accordingly. -Sd- Sr.Manager / Subcontracts

CUST. NO:PGMA:CUST. DOC. NO.SYSTEM DESCRIPTION:

ID/OD TIGPart‐1 Part‐1 Size Qty (gms)Part‐2 Part‐2 mm mm Dia2.4 Dia2.5 Dia3.2 Dia4.0 in deg C in deg C

1‐80‐451‐21034

1‐80‐451‐21034

1‐80‐451‐21035

1‐80‐451‐21036

1‐80‐451‐21037

1‐80‐451‐21037

1‐80‐451‐21038

1‐80‐451‐21038

Rev.no. Date: Altered: Rev.no. Date: Altered:Approved: Approved:

REV. NO.DRAWING NO: SHEET NO:

4‐80‐451‐79632 01 OF 03

PIPE

FITTING

SA106GRC

SA234WPC

DESIGN/APPD. QA‐CHD./APPRD. DATE

7.11 TIG & ARC1003/REV03

ER70S‐A1

2332

E7018‐1

660 484 0

7.11

265 75 55 0

7.11

5 265 75 55 0

E7018‐1 1003/REV03

10% RT10

ER70S‐A1

10REFER NOTE‐3

NIL NIL(NIL)REFER NOTE‐

1

REFER NOTE‐3

REFER NOTE‐3

REFER NOTE‐3

NIL NIL(NIL)10% RT

REFER NOTE‐

1

REFER NOTE‐

1

REFER NOTE‐3

REFER NOTE‐

1

REFER NOTE‐

1

REFER NOTE‐3

10% RTREFER NOTE‐

1

REFER NOTE‐

1

REFER NOTE‐3

NIL NIL(NIL)10% RT

REFER NOTE‐

1

REFER NOTE‐

1

S.ARUN SHARMA KONDAPA NAIDU R.SESHAGIRI

W.P.S no.

Sl.No.Drg. No. for weld

location

Description of parts to be welded

Matl. Spec.

Thick

Process of

Welding

Qty

Type of weldDimensions

4 7.11 TIG & ARC7.11

8

ER70S‐A1

TIG & ARC7.11

1 NIL(NIL)10% RT

REFER NOTE‐

1

ER70S‐A1 E7018‐1 1003/REV03

10 NIL NIL(NIL)10% RT

REFER NOTE‐

1318

Notes:(1) Refers to NDE Manual no. PSQ‐NDEM‐COM‐2010/R01(2) Drain & vent piping: 100% RT upto the last root valve. Beyond the last root valve, 10% RT is applicable.(3)100% LPI on all Butt welds after PWHT for Non‐P91 piping. 100% MPI on all Butt welds after PWHT for P91 piping.

00PREPARED BY DESIGN/CHD.

2 7.11

1855 525

10% RTREFER NOTE‐

1

REFER NOTE‐

1

E7018‐1 1003/REV03

10

10REFER NOTE‐3

44NIL

REFER NOTE‐

1

1696 480 352 0

REFER NOTE‐

1

REFER NOTE‐

1

1003/REV03


32

ERECTION/FIELD WELDING SCHEDULE

NEYVELI NEW THERMAL POWER PROJECT (NNTPP)

NEW NEYVELI

PROJECT:

NAME OF THE CUSTOMER:

Electrode filler spec.

Arc specQty(nos)

Acc. Norm. Ref.

RemarksRef. Spec. No.

Heat Treatment

7232 & 723380‐451

Min pre heat temp. Temp.

Hold time per mm in minutes

NDT method/Quantum

BOILER DRAINS

TIG & ARC7.11 ER70S‐A1 E7018‐1

ER70S‐A1 E7018‐1

1590 450 330 0

6 7.11 TIG & ARC

5 7.11 TIG & ARC

7 7.11SA106GRC

SA234WPC10 NIL NIL(NIL)

7.11

30

385 0NIL NIL(NIL)

1003/REV03

101003/REV03

1003/REV03

1855 525 385 0

ER70S‐A1

3 7.11E7018‐1ER70S‐A17.11

TIG & ARC

PIPE

PIPE

PIPE

FITTING

6 06690

35

5

35

7.11 TIG & ARC7.11

E7018‐1

OD

168.3

168.3

OD

OD

168.3

OD

168.3

OD

PIPE

SA106GRC

SA106GRC

SA106GRC

SA234WPC

SA106GRC

SA234WPC

SA106GRC

SA234WPB

SA106GRC

SA106GRC

SA106GRC

SA106GRC

PIPE

FITTING

PIPE OD

168.3

168.3

OD

168.3

OD

168.3

PIPE

FITTING

PIPE

PIPE

PIPE

FITTING



1‐80‐451‐21049

1‐80‐451‐21049

1‐80‐451‐21049

1‐80‐451‐21049

1‐80‐451‐21049

1‐80‐451‐21049

1‐80‐451‐21050

1‐80‐451‐21050


REV. NO.DRAWING NO: SHEET NO:

4‐80‐451‐79632 02 OF 03

PIPE

FITTING

SA335P22

SA234WP22


12.7 TIG & ARC1014/REV03

ER90S‐B3

1620

E9018‐B3

450 720 0

12.7

106 30 22 0

7.11

10 490 140 240 130

E9018‐B3 1014/REV03

100% RT3% HARDNESS

150ER90S‐B3

150REFER NOTE‐3

700±202.5(60

MINUTES MINIMUM)

REFER NOTE‐

1

REFER NOTE‐3

REFER NOTE‐3

REFER NOTE‐3

NIL NIL(NIL)100% RT

3% HARDNESS

REFER NOTE‐

1

REFER NOTE‐

1

REFER NOTE‐3

REFER NOTE‐

1

REFER NOTE‐

1

REFER NOTE‐3

100% RT3% HARDNESS

REFER NOTE‐

1

REFER NOTE‐

1

REFER NOTE‐3

700±202.5(60

MINUTES MINIMUM)

100% RT3% HARDNESS

REFER NOTE‐

1

REFER NOTE‐

1


W.P.S no.


location


Matl. Spec.

Thick

Process of

Welding

Qty


12 8.6 TIG & ARC8.6

16

ER90S‐B3

TIG & ARC12.7

92.5(60

MINUTES MINIMUM)

100% RT3% HARDNESS

REFER NOTE‐

1

ER90S‐B3 E9018‐B3 1014/REV03

150 700±202.5(60

MINUTES MINIMUM)

100% RT3% HARDNESS

REFER NOTE‐

1432



10 12.7

152 66

100% RT3% HARDNESS

REFER NOTE‐

1

REFER NOTE‐

1

E9018‐B3 1014/REV03

150

150REFER NOTE‐3

30700±20

REFER NOTE‐

1

750 225 435 0

REFER NOTE‐

1

REFER NOTE‐

1

1014/REV03

150 700±202.5(60

MINUTES MINIMUM)

100% RT3% HARDNESS

15



NEW NEYVELI

PROJECT:



Arc specQty(nos)

Acc. Norm. Ref.


Heat Treatment

7232 & 723380‐451



NDT method/Quantum

BOILER DRAINS

TIG & ARC21.95 ER90S‐B3 E9018‐B3

ER90S‐B3 E9018‐B3

108 30 48 0

14 7.11 TIG & ARC

13 12.7 TIG & ARC

15 21.95SA335P22

SA234WP22150 700±20

2.5(60 MINUTES MINIMUM)

12.7

2

54 0700±20


1013/REV02

1501014/REV03

1014/REV03

1225 350 600 325

ER90S‐B3

11 12E9018‐B3ER90S‐B312

TIG & ARC

PIPE

PIPE

PIPE

FITTING

8 0192120

6

2

25

21.95 TIG & ARC21.95

E9018‐B3

OD

141.3

141.3

OD

OD

141.3

OD

114.3

OD

PIPE

SA335P22

SA335P22

SA335P22

SA234WP22

SA335P22

SA234WP22

SA335P22

SA234WP22

SA335P22

SA234WP22

SA335P22

SA335P22

PIPE

FITTING

PIPE OD

168.3

141.3

OD

168.3

OD

168.3

PIPE

FITTING

PIPE

FITTING

PIPE

FITTING



1‐80‐451‐21050

1‐80‐451‐21050

1‐80‐451‐21094

1‐80‐451‐21094

1‐80‐451‐21114

1‐80‐451‐21114

1‐80‐451‐21116

1‐80‐451‐21116


REV. NO.

SA335P22

SA234WP22

PIPE

PIPE

PIPE OD

141.3

114.3

OD

114.3

OD

141.3

PIPE

FITTING

PIPE

PIPE

PIPE

PIPE

FITTING

SA106GRC

SA234WPC

SA335P22

SA335P22

SA335P22

SA335P22

SA106GRC

SA234WPC

SA106GRC

SA106GRC

OD

114.3

273

OD

OD

168.3

OD

168.3

OD

06040

3

3

6

16 TIG & ARC16

E7018‐1

19 34E9018‐B3ER90S‐B334

TIG & ARC

PIPE

FITTING

PIPE

PIPE

2

150 700±202.5(60

MINUTES MINIMUM)

6.02

42

72 39700±20


1003/REV03

101003/REV03

1014/REV03

318 90 138 24

ER70S‐A1

TIG & ARC16 ER90S‐B3 E9018‐B3

ER70S‐A1 E7018‐1

1118 882 0 0

22 6.02 TIG & ARC

21 6.02 TIG & ARC

23 16SA335P22

SA335P22



NEW NEYVELI

PROJECT:



Arc specQty(nos)

Acc. Norm. Ref.


Heat Treatment

7232 & 723380‐451



NDT method/Quantum

BOILER DRAINS

8700±20

REFER NOTE‐

1

82 28 48 64

REFER NOTE‐

1

REFER NOTE‐

1

1014/REV03

150 700±202.5(60

MINUTES MINIMUM)

100% RT3% HARDNESS

2

147 42

100% RT3% HARDNESS

REFER NOTE‐

1

REFER NOTE‐

1

E9018‐B3 1014/REV03

150

150REFER NOTE‐3


100% RT3% HARDNESS

REFER NOTE‐

1

ER70S‐A1 E7018‐1 1003/REV03


REFER NOTE‐

1174



18 9.27


W.P.S no.


location


Matl. Spec.

Thick

Process of

Welding

Qty


20 21.95 TIG & ARC21.95

24

ER90S‐B3

TIG & ARC9.27

17

REFER NOTE‐3

REFER NOTE‐3

REFER NOTE‐3

NIL NIL(NIL)10% RT

REFER NOTE‐

1

REFER NOTE‐

1

REFER NOTE‐3

REFER NOTE‐

1

REFER NOTE‐

1

REFER NOTE‐3

100% RT3% HARDNESS

REFER NOTE‐

1

REFER NOTE‐

1

REFER NOTE‐3

NIL NIL(NIL)10% RT

REFER NOTE‐

1

REFER NOTE‐

1

63 0 0

6.02

2 106 30 46 8

E9018‐B3 1014/REV03

100% RT3% HARDNESS

150ER90S‐B3

10REFER NOTE‐3

700±202.5(60

MINUTES MINIMUM)

REFER NOTE‐

1

DRAWING NO: SHEET NO:

4‐80‐451‐79632 03 OF 03

PIPE

FITTING

SA335P22

SA234WP22


8.6 TIG & ARC1014/REV03

ER90S‐B3

202

E9018‐B3

88 72 0

8.6

80

corrigendum 2 dated oct 13, 2016 to tender specification ... corrigendum -2.pdf · ifs code :...

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