sr. no. - e tenders. no. biddersq uery no. tender section/vollume name clause no./subject...
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Sr. No.BiddersQ
uery No.
Tender Section/Vollume
NameClause No./Subject Description Of Query NPCIL's Response
1 1 Vol 1Clause 7.7.2 of
PC-E-1003
Specifies sample welds quantity under (i), (ii), (iii), page 11 of
22.Clause 5.1 (iv), page no 4 of 16 of PC-M-1002 also
specifies quantities to be procured for weld qualification.
We understand quantities mentioned under PC-M-1002 will
sufficent requirement mentioned in PC-E-1003 for welding &
qualification at our end.
These are not deliverable.
specification is self explanatory. Spec PC-M-1002 is for
forging. While spec PC-E-1003 is for Header
manufacture.
2 2 Vol 1Clause 7.7.5 of
PC-E-1003
States for stress relieving.
We require Heat treatment procedure and stress relieving
cycle.
Soaking temperature shall be 600 +10/-5 °C ; Rate of
heating/cooling 50 degree C
3 3 Vol 2
Clause 5.1 (v)
page no 4 of 16 of PC-M-1002
We understand these samples are required at forger end to
qualify process.
These are not deliverable.
These samples are deliverables
4 4 Drawing Drawing 2005/DD - Sections Nozzle 80NB
Nozzle 80NB pipe is not covered in BOM of drawing
2006/DD,
We understand 80NB pipe is not required, please advise.
80 NB pipe is not required
5 5We understand that, there are NO Spares and Erection &
Commissioning under contractor scope. Please confirm.YES. It confirmed.
6 6
Do we need to carry out any Mock-ups for Technical
Qualification? If yes, we want to understand the mock-ups
required
As per tender condition.
7 7 Please Share the NPCIL approved source for header forging.
Suggested vender for header forgings based on the
previous supplies is M/s FAV Italy. However, bidder
may also refer Clause no 1.6 of Section-C1 of Tender
documents in this regard.
8 8Please Share the NPCIL approved source for seamless pipe SA
333 Gr6.
Suggested vender for seamless pipes based on the
previous supplies is M/s ISMT Ahmednagar. However,
bidder may also refer Clause no 1.6 of Section-C1 of
Tender documents in this regard.
9 9Please Share the NPCIL approved source for fittings, elbows,
welding inserts.
Suggested vender for fittings based on the previous
supplies is M/s Tectubi Italy. However, bidder may also
refer Clause no 1.6 of Section-C1 of Tender documents
in this regard.
Response of NPCIL to Pre-Bid Queries for TENDER NO. CMM/FTP/10-31-1-1133 (Tender ID-28556)
Name Of Bidder : Godrej & Boyce Mfg Co Ltd
Other Queries
Page 1 of 11
Response of NPCIL to Pre-Bid Queries for TENDER NO. CMM/FTP/10-31-1-1133 (Tender ID-28556)
Sr. No.BiddersQ
uery No.
Tender Section/Vollume
NameClause No./Subject Description Of Query NPCIL's Response
10 1 Volume-II Material Specifications:PC-E-1002, PC-E-287 &
PC-E-288
Please provided approved source of Suppliers for Reactor
Header Forgings and also arrange the Forging Drawings.
NPCIL do not have any list of suppliers. However for
the current order of KAPP-3,4 and RAPP-7,8 header
forgings were supplied by M/s FAV Italy, Feeder stub
by M/s ISMT Ahmednagar, Fittings by tec tubi Italy.
11 2 Volume-I Section-B, Clause No. 9.5 Custom ClearanceIf raw material is Imported, the necessary customs duty
exemption certificate shall be provided by NPCIL.
Kindly refer clause no 9.0 and 15 of ITT , which is self
explanatory
12 3 Volume-I
Section-A,Clause No. 10 & Section-B, 10.3 Test
Charges, Spares and Accessories & Supervision of
Erection & Commissioning Charges
We understand that there is no Spares and Erection &
Commissioning under contractor scope. Please Confirm.YES. It confirmed.
13 4 Volume-II
Technical Specification for Seamless Carbon Steel
Pipes and Butt Welding Seamless Fittings For
Feeders, PC-M-287 (page no. 7 of 18) and drawing
no. GHAVP-1&2/33117/2004DD (zone F3 & F4
Please provid Pipe schedule for 100 NB, 80NB, 65NB, 50NB
& 20NB
These Pipes are ID controlled non standard pipe. ID
and thickness are given in specification PC-M-287
14 4 Volume-II
Technical Specification for Seamless Carbon Steel
Pipes and Butt Welding Seamless Fittings For
Feeders, PC-M-287 (page no. 7 of 18) and drawing
no. GHAVP-1&2/33117/2004DD (zone F3 & F4)
& Drg no. GHAVP-1&2/33117/2006/DD (BOM)
we understand that 80NB Pipe is not in our scope. Please
Confirm 80 NB pipe is not required
15 5 Volume-IISub-Section C-1, Special Instruction to the Tender,
Clause no. 1.6 (Page no 6 of 14)
Prototype forgings which shall be certified by NPCIL - Which
can be Prototype forgings of sample length piece or one of the
full header. Please Confirm
As per tender condition.
16 6 Volume-IISection - B, Clause no. 9.2 Free issue material
(Page no. 39-of 54)
Please clarify whether any FIM Shall be provided by NPCIL
or not. If yes please send the details of FIM.No FIM to be issued.
Sr. No.BiddersQ
uery No.
Tender Section/Vollume
NameClause No./Subject Description Of Query NPCIL's Response
17 1 FTT-1133 sec A ITT/first5.3a/Technical specification,technical detail &
litrature
Please be more specific about what technical
specification,technical detail & literature required with part-I
of E-bid
18 2 FTT-1133 sec A ITT/first 5.3c/Drawing with part-I E-bid
As per our understanding drawing issued with the enquiry
shall be signed and stamped that shall be submitted along with
part-I of E-bid
19 3 FTT-1133 sec A ITT/first 10.1.2/Test charges Kindly inform what routine test ,special type test required Tender /Specification is self explanatory.
20 4 FTT-1133 sec A ITT/first 10.2.1/spares and accessoriesKindly inform what all items are required as a spares
necessory for safty operationNo spares item required.
Name Of Bidder : M/s. MTAR Technologies Pvt. Ltd., Hyderabad.
Name Of Bidder : M/s. Jindal steel and power ltd. ,machinery division ,Raipur
Tender /Specification is self explanatory.
Page 2 of 11
Response of NPCIL to Pre-Bid Queries for TENDER NO. CMM/FTP/10-31-1-1133 (Tender ID-28556)
21 5 FTT-1133 sec A ITT/first 17/Consortium
Is consortium is applicable for this tender or not because as per
clause GCC/supply-I/R4 clause 1.11 consortium can be made
priors to purchaser approval
Tender condition shall prevail.
22 6FTT-1133 sec A
ITT(Appendix X)/first
2.d/Qualfication required for bidder(Technical-
Furnace)
Currently we don,t posses gas fired/electric furnace of 15
Metres length in our plant so we shall be allowed to sub-
contract to perform PWHT for these equipments to your
approved reputed vendor. Is it allowed to carry out PWHT on
Modular furnace for which calibration will be done prior to
PWHT of the headers?
PWHT shall be done in-house for the complete header
assembly in a single charge in a calibrated furnace.
23 7 GCC/supply-I /R4-First vol. 4.1/Scope of work
please specify wheather mechnical design is in bidder scope or
not .Currently we are considering we shall be furnishing
manufacturing drawings based on design detail provided by
the purchaser.
Mechanical design is not in bidder scope.
24 8 33117/PC-M-1002-2nd vol. 9.3/Fatigue test
a) Please clarify that fatigue test to performed on each header
or one number per heat of all the headers or just One
Number per order(for header only)
B) Is fatigue test is to be performed on pipe and fittings as
well?
a) Kindly refer 9.3 which is self explanatory.
(b) No fatigue test required for pipe fitiing.
25 9 33117/PC-E-1003-2nd vol. 7.7.5/Heat treatment
Please elaborate on how to perform purging with inert gas
during heat treatment to avoid oxidation on inner surface f the
headers?
Purging is required during PWHT.
26 GENERAL QUERIES
27 10
Kindly provide approved Vendor list for Materials,Heat
Treatment service Provider/ Calibration agency, Helium Leak
Testing agency, Machining facility if not done by forging
manufacturer.
Currently we have no approved vendor list.
28 11 Wheather we have to perform recordable UT or not As per tender condition.
29 12 Which ASME edition we have to consider 2015 or 2017ASME 2015 or Latest eddition as on NIT issuued date
shall be used.
Sr. No.BiddersQ
uery No.
Tender Section/Vollume
NameClause No./Subject Description Of Query NPCIL's Response
30 1
Volume-IV Specification
No. PP-E-1210 for MPE of
Ferromagnetic Material
PP-E-1210 for MPE of Ferromagnetic Material is
R-1. Whereas, there is no mention for the Revision
of document for the Specification No. PP-E-1210
attached with the tender.
Kindly clarify and send correct specification. R-0 is correct
Name Of Bidder : M/s. Walchandnagar Industries Limited.
Page 3 of 11
Response of NPCIL to Pre-Bid Queries for TENDER NO. CMM/FTP/10-31-1-1133 (Tender ID-28556)
31 2Clause 8.2, Specification
PC-M-1002 R0
Material procurement spec calls for simulated heat
treatment for coupons subjected to soaking
temperature of 600+/-10 ⁰C (i.e 590 to 610).
However, code ASME sect III sub section NB-4600
specifies soaking temperature of 595 ⁰C min.
The simulated heat treatment for forging coupons shall be with
soaking temperature of 600+10/-5 ⁰C (i.e 595 to 610). This
temperature range will meet code ASME sect III sub section
NB-4600 having soaking temp 595 ⁰C min.
The above will match technical specification no. PC-E-1003
R1, Clause no. 7.7.5, the equipment heat treatment shall be as
per NB-4600 of ASME sec III, Table NB 4622.1-1.
Soaking temperature shall be 600 +10/-5 °C
32 3
Specification PC-M-287
R1, PC-M-287 R0 and PC-
M-1002 R0
Carbon steel seamless pipe, pipe fittings and piping
components. Reactor Header Carbon steel forgings
Kindly inform names of probable suppliers for Carbon steel
Forgings, seamless pipe, pipe fittings and piping components.
Suggested venders for header forgings based on the
previous supplies are M/s FAV Italy, Feeder stub by M/s
ISMT Ahmednagar, Fittings by M/s Tec Tubi Italy.
However, bidder may also refer Clause no 1.6 of Section-
C1 of Tender documents in this regard.
33 4Clause 4.1, Specification
PC-M-1003
Applicable specificaion & Code -
Applicable ASME specification Edition is not
specified
ASME Section -II, III & V Code we will follow 2017 Edition
which is latest. NPCIL to confirm the same.
ASME 2015 or Latest eddition as on NIT issuued date
shall be used.
34 5
Drg No. GHAVP-1&2/
33117/2001/DD
Note 5 & 10
Not specified tolrances, bidder to indicate best
tolerance achievable.
General Tolerance is indicated +/-3mm where ever
the tolerance value is not given.
a) For 100 NB feeder pipe positional tolerance we propose +/-
5 mm in place of +/-3 mm to accommodate cold correction
after bending of higher thk and OD pipes.
b) The stub height tolerance shall be kept +/- 5mm in place of
+/-3 mm.
Tender specification and drawings shall prevail.
35 6Clause 9.3, Specification
PC-M-1002 R0
Tecchnical specification for Reactor header Carbon
steel forgings - Fitigue Test
NPCIL to confirm standard for conducting the Fitigue test
since it not mentioned.
Fatigue tests shall be carried out in accordance with
ASTM E606 and ASME Section III.
36 7APPENDIX-X, Qualifying
requirements
Clause No. 2.0 Technical, 1.0, d. Availability of
Suitable calibrated furnace (Gas fired / electric) to
carry out uninterrupted Posr weld heat treatment.
AA) We propse to carry out Post weld heat treatment of
Header assembly in 2 stages in the existing furnace as follows -
1) Heat treatment of 2/3 length of assembly in furnace and 2)
Reverse it & heat treat 2/3 portion of assembly (with overlap)
in furnace.
OR
BB) Install a new furnace to suit entire Header assemby for
heat treatment in a single charge well before the header
assemblies become ready for heat treatment.
PWHT shall be done in-house for the complete Header
assmebly in a single charge in a calibrated furnace.
Terms of payment
Quantum of material procurement is about 60 to 70% of value
of Purchase Order of Header assemblies and hence Terms of
payment need to be modified as follows :
a) 10% of PO value against placement of PO for
Header Forgings a) 10% of PO value against unconditional acceptance of PO
b) 5% of PO value against placement of PO for
Feeder Stub Pipes.
b) 15% of PO value against placement of PO for Header
Forgings
c) 10% of PO value against receipt of Header
Forgings
c) 05% of PO value against placement of PO for Feeder
Stub Pipes.
d) 5% of PO value against receipt of Feeder Stub
Pipes d) 25% of PO value against receipt of Header Forgings GCC Clause No. 5.6 and
SCC 3.0Will be responded later37 8
Page 4 of 11
Response of NPCIL to Pre-Bid Queries for TENDER NO. CMM/FTP/10-31-1-1133 (Tender ID-28556)
e) 20% of PO value against dispatch of each pair
of Header Assemblies on prorate.e) 05% of PO value against receipt of Feeder Stub Pipes
f) 35% of PO value, 100% statutory levies,
transportation charges, price adjustment amount on
receipt of each pair of Header Assemblies at site on
prorata.
f) 30% of PO value, 100% statutory levies, transportation
charges, price adjustment amount on receipt of each pair of
Header Assemblies at site on prorata.
g) 05% of PO Value on receipt of final
documentation for each pair of headers
g) 10% of PO value against receipt of documentation and
acceptance of pair of Header Assemblies at site on prorata.
h) 10% of PO value against acceptance of all
Header Assemblies, 16 Nos. at site
38 9 SCC clause No. 8.0
1.1.8 Taxes & Duties : GST as applicable or
quoted, whichever is lower will be reimbursed by
Purchaser limiting to the rate prevailing within the
contractual delivery schedule
Billing address if considered as NPCIL, Mumbai Then, GST
applicable will be 9% SGST & 9% CGST as per HSN Code
84014000. If billing address is considered as GHAVP-1&2
site then GST applicable will be 18 % IGST.
NPCIL to confirm the following -
1) Billing address
2) GST HSN Code No.
3) GST tax structure
4) GST tax strcure with HSN Code for cost of transporataion
5) NPCIL to specify GST % that will be applicable on LD
amount, if any, and to give proof of GST paid on LD amount
1) Billing address to be considered is GHAVP-1&2
quoting their GSTN No. 06AAACN3154F1ZU.
Original bill to be dispatched to NPCIL Mumbai for
payment purposes.
2) GST HSN code No. as applicable for the tendered
items should be indicated by the bidder in the Annexure
B (refer SL No. 3.3 (a) and 3.3 (b) of Annexure B.
3) GST tax structure applicable as per the GST act and
to be indicated in the Annexure B sl No. 3.2 (a) to (d).
4) In the case of FOR contracts, the transportation
would form part of the main supply and will be treated
as composite supply and hence, the GST as applicable
as per the GST act for the main supply has to be
considered for the whole contract.
5) GST applicable on LD amount will be 18%. The
discharge of GST liability on outward taxable supplies
will be consolidated on monthly basis, and proof canot
be provided separately for any particular payment. GST
invoice for GST charged on LD (if any) will be
provided by NPCIL.
39 10
Clause no. 7 for "Scope of supply" and Clause No.
8 for "Tax liability on composite supply" of THE
CENTRAL GOODS AND SERVICES TAX ACT,
2017, NO. 12 OF 2017 (Copy attached) says the
following
Cost of equipment shall covered under Goods and cost of
transportation will be covered under Services. It will a
composite supply. In such a case the item of goods or
Transportation whichever calls higher GST rate will be
applicable for both items considering it as composite supply.
In all, all the items of supply and transportation cost will
attract GST as that of supply of goods.
In the case of FOR contracts, the transportation would
form part of the main supply and will be treated as
composite supply and hence, the GST as applicable as
per the GST act for the main supply has to be
considered for the whole contract.
Sr. No.BiddersQ
uery No.
Tender Section/Vollume
NameClause No./Subject Description Of Query NPCIL's Response
Name Of Bidder : M/s. Larsen & Toubro Limited, Heavy Engineering IC,
GCC Clause No. 5.6 and
SCC 3.0Will be responded later37 8
Page 5 of 11
Response of NPCIL to Pre-Bid Queries for TENDER NO. CMM/FTP/10-31-1-1133 (Tender ID-28556)
40 SCC No.3
We wish to propose the following terms of payment:
a) 10% Advance against acceptance of purchase order
b) 10% on submission & approval of drawings & documents
c) 10% on placement of Purchase Order for Reactor Header
Forgings
d) 05% on placement of Purchase Order for Feeder stub pipes
e) 10% on receipt of Forgings for each Reactor Header
Assembly on pro-rata basis
f) 05% on receipt of Feeder stub pipes for each Reactor
Header Assembly on pro-rata basis
g) 10% on issuance of Shipping Release for each Reactor
Header Assembly on pro-rata basis
h) 30% along with 100% of price adjustment, if any, 100% of
GST on price adjustment, on receipt of each Reactor Header
Assembly at site on pro-rata basis
i) Balance 10% on pro rata basis against final acceptance of
Reactor Header Assemblies at
site and receipt of Final Documentation at site
All the advances and progressive payments for Sr. No. (a) to
(f) above will be against submission
of Advance Bank Guarantee of equivalent amount valid till
Contractual Delivery Date.
We wish to assure you that the above payment schedule will
not only help us ensure priority resource allocation to the job
but also will help us offer best price for the supplies to NPCIL.
Will be responded later.
41 SCC No.8 Taxes & Duties
GST will be applicable on Price Adjustment amount. Kindly
confirm that the same will be reimbursed by NPCIL to the
Supplier at actuals.
Please refer to SCC Clause No. 11.0 (GCC Clause ref
No. 5.4). Price adjustment will be allowed upto a ceiling
of +/- 20% of the total FOR price (inclusive of taxes and
duties) component. Since, the Price adjustment is
alloswed on the taxes and duties component also, no
separate GST on price adjustment will be reimbursed by
NPCIL to the supplier.
42 SCC No.8 Taxes & DutiesKindly confirm that the GST invoice for GST charged on LD
(if any) will be provided by NPCIL
GST Invoice for GST charged on LD (if any) will be
provided by NPCIL.
43 SCC No.8 Taxes & DutiesKindly confirm that no GST TDS will be applicable, as we are
not dealing with Govt. directly.
No GST TDS is appplicable currently. The same will be
deducted by NPCIL, if notified by Government in this
regard, during the currency of the Contract.
Page 6 of 11
Response of NPCIL to Pre-Bid Queries for TENDER NO. CMM/FTP/10-31-1-1133 (Tender ID-28556)
Sr. No.BiddersQ
uery No.
Tender Section/Vollume
NameClause No./Subject Description Of Query NPCIL's Response
44 1 Technical Specification
1. As per the master index, list of specifications are mentioned
as PC-E-1002 , PC-E-287 & PC-E-288. Attached
specifications are PC-M-1002, PC-M-287 & PC-M-288.
Please Clarify.
Attached specifications are correct one
45 2II & Spec :PC-E-1003 Page
no 164Technical Spec. for Reactor Header assy Clause 6.2 Tender Specifications shall prevails
46 3II & Spec: PC-M-288 Page
no 214
Technical Spec. for Carbon steel seamless
Pipes,Pipe fittings and Piping Components for
Primary System. Clause 5.2 b) ii
47 4 II & Spec: PC-M-287Technical Specification for Carbon steel Pipes and
Butt Welding Seamless Fittings for Feeders.
48 5Spec. PC-M-1002 Page no
238
Technical Specification for Reactor Header Carbon
Steel Forgings Clause 10.6 Table Sl No:4
49 6Spec. PC-M-287 Page no
187
Technical Specification for Carbon steel Pipes and
Butt Welding Seamless Fittings for Feeders. Clause
4.1.3 (d).(4)
50 7Spec: PC-M-1002 Page no
236
Technical Specification for Reactor Header Carbon
steel Forgings. Clause 9.5
Tender Requirement : The specimen shall be cold bent
through 180° on a mandrel of 25.4 mm diameter. Clarifiation
Required : Please clarify whether mandrel of 25.4 mm dia is
to be used irrespective of thickness of specimen for Bend Test.
Other wise , mandrel dia shall be mentioned based on
thickness of Specimen (Like 4t Where “t” is the thickness of
Bend specimen)
Tender Specifications shall prevails
Tender Requirement : 1. Hardness Test (£197 HB) 2.
Hardness test: Fittings shall have maximum hardness of 197
HB. Clarifiation Required : Hardness Maximum Limit has
been given. ”Acceptable Range of variation in Hardness” is
also to be obtained.
The leak rate shall be calculated from the indicated
value using the formula mentioned in para-IX-1070 of
Article 10 of ASME section V"
Shall have maximum hardness of 197 HB.
Tender Requirement : 1. Impact test shall be done at a
temperature of RTNDT+33°C(not greater than +18°C) 2. The
pipes, fittings/ Components shall be impact tested …..The
impact Test Temperature (RTNDT+56°C) shall not be higher
than +18°C…. Calrification Required : 1) As per ASME
SEC-III NB-2332 (b) , Impact test at RTNDT+56°C is to be
done for Pressure retaining material(Piping, Pumps ,and
Valves Excluding Bolting Materials) with nominal wall
thickness greater than 64 mm. The components/welds which
are to be impact tested at RTNDT+56°C shall be clearly
mentioned. 2) Impact Test is not demanded as per
PC-M-287.The applicable components for PC-M-287 & PC-
M-288 shall be distinguished clearly .
Spec PP-E-2384 Rev.No. 0
Page no 309
NDE Procedure- Specification for Helium Leak
Testing in Vacuum Mode. Clause 9
Tender Requirement :…leak rate can be calculated from the
indicated value using the formula mentioned in para V-1062 of
Article 10 of ASME Section V. Clarifiation Required : Para V-
1062 of Article 10 is for System Calibration in “Tracer Probe
Technique” and not for leak rate calculation. But Testing
procedure mentioned in para 8.4 of PP-E-2384 is as per “Hood
technique”. Please Clarify.
8
All mandatory tests as required by respective ASME
material specifications are to be carried out. In addition,
any requirements specified in NPCIL specifications are
also to be met.
Name Of Bidder : M/s. BHARAT HEAVY ELECTRICALS LIMITED
51
Page 7 of 11
Response of NPCIL to Pre-Bid Queries for TENDER NO. CMM/FTP/10-31-1-1133 (Tender ID-28556)
52 9Spec : PC-M-1002 Page no
236
Technical Specification for Reactor Header Carbon
Steel Forgings Clause 9.3Standard for conducting Fatigue test is to be mentioned.
Fatigue tests shall be carried out in accordance with
ASTM E606 and ASME Section III.
53 10Section-B General
Condition Page no 87General Condition –QA Manual Clause 10.1.2
Tender Requirement : ….,prepare a QA manual , which shall
be finally accepted by the purchaser…… Clarifiation
Required: No customer approval is envisaged for company
Manual / Ref. documents /standards. However extract of
quality programme shall be given.
QA Manual shall be submitted to NPCIL QA for review
and the supplier's QA system shall be audited by NPCIL
periodically for its compliance, if required.
54 12
Technical Specification for
Reactor Header Assembly /
PC-E-1003 Page no 8 of 22
Piping loads for analysis Clause 7.3/ Fabrication
Tender Requirement/Issue : Piping loads are not provided
Clarifiation Required : As per tender, the Supplier need not
carry out the analysis as long as meeting the tender drawing
requirements. However, NPCIL may be asked to provide all
piping loads for Analysis and the same will be used for
clearing any manufacturing deviations where we are required
to provide design justification as the basis of acceptance.
Any manufacturing deviation shall be reviewed by
NPCIL for acceptance / rejection.
55 13Technical Specification /
PC-E-1003 Page no 3 of 22
Applicable ASME Specification Clause 4.1 /
Applicable Specification and Codes / Standards
Tender Requirement/Issue :Edition is not specified
Clarifiation Required : For ASME Section-II, III & V Code
we will follow 2017 Edition which is the latest. NPCIL may
confirm same.
ASME 2015 or Latest eddition as on NIT issued date
shall be used.
56 14
Technical Specification /
PC-E-1003 and Drg. No.
GHVAP-
1&2/33117/2007/DD Page
no
Manufacturing of Tee and Elbow Assembly Clause
20 NB Fittings
In order to simplify the manufacturing activities of
instrumentation connection, we propose Welded Bifurcate
where a single pipe is formed in the form of ‘U’ and at the
centre of the ‘U’, the nozzle pipe is welded instead of forming
the connection with Tees, Elbows and Pipes. This will ease the
fabrication.
Tender condition shall prevail.
57 15
Drg No. GHAVP-
1&2/33117/2004/DD &
GHAVP-
1&2/33117/2005/DD
ID and OD of 20 NB Clause GHAVP-
1&2/33117/2004/DD (Detail-T) & GHAVP-
1&2/33117/2005/DD (Sections- ROH and RIH
Nozzle 20 NB)
Tender Requirement/Issue :Two different values are shown in
different drawings Clarifiation Required : IN RIH & ROH,
for 20NB Nozzles, the dimension of OD is 26.7(+2/-0) mm
and ID is 15.6±0.2 mm (Ref. GHAVP-1&2/33117/2005/DD)
whereas in Dwg: GHAVP-1&2/33117/2004/DD (Detail-T),
the dimensions of 20 NB pipe are shown as ID 18.8 mm and
OD 28.8 mm. Kindly confirm the ID and OD dimensions.
For pressure measurement connection,20NB schedule
160 ( OD = 26.7 mm,WT = 5.56 mm ) pipe and fittings
shall be used.
58 16Technical Specification /PC-
M-288 Page no 10 of 17
Impact test temperature of pipes, fittings/
components Clause 5.2/ Material Inspection and
Tests
Tender Requirement/Issue Two different values are given in
the documents mentioned Clarifiation Required : In clause
5.2, the impact test temperature is specified as RTNDT+56°C.
As per ASME Section III NB-2331 , which is applicable for
vessels & tender document PC-E-1003 (Clause 6.2, Page 6 of
22), the impact test temperature is TNDT+33°C. Kindly
clarify.
Tender specification shall prevails.
59 17
PC-E-1003 & PC-M-287
Page no PC-E-1003 (5 of
22 and 17 of 22) PC-M-287
(6 of 18)
Hydrostatic testing of Butt welding pipe fittings
Clause PC-E-1003 (Clause-5 & 8.11) and PC-M-
287 (Clause-4.1.3)
As per clause(5) & clause(8.11) of PC-E-1003, the hydro test
pressure of the assembly is 158 kg/cm2. In PC-M-287,
clause(4.1.3), in the table, the hydrostatic test pressure for the
samples of fittings is mentioned as 174 kg/cm2. Kindly clarify
the hydrostatic test pressure value.
kindly refer tender document which is self explanatory.
Page 8 of 11
Response of NPCIL to Pre-Bid Queries for TENDER NO. CMM/FTP/10-31-1-1133 (Tender ID-28556)
60 18PC-M-287 Page no PC-M-
287 (7 of 18)
Bore and wall thickness details of 20 NB elbow
Clause PC-M-287 (Clause-4.1.3/(e))
In the technical specification PC-M-287, which shall be used
as a base document for purchase of butt welding seamless
fittings, the dimensional details of 20 NB elbow is not
specified in clause no. 4.1.3/ (e). Kindly clarify.
20 NB pipe/fittings are standard component. Please
Refer drawings for details.
61 19 Vol II / C Page no 4 of 14Special instruction to the tenderer. Procurement of
RM Clause 1.6
Tender Requirement/Issue :Bidders may please note that
materials like header forgings, end caps etc. shall be procured
only from those vendors who have earlier supplied these items
for similar applications (i.e. Reactor Headers of Nuclear
Power Plants) as per requirement of ASME Section-III NB
and meeting the requirement of Purchaser’s specifications.
This is to be established by a documentary evidence.
Clarifiation Required : Documentary Evidence may be
clarified in detail.
Documentary evidence like P.O, Manufacturing
Processor ,QAP, Shipping release etc.
62 20 Vol II / C Page no 19 of 20 PC-M-1002. Quality surveillance Clause 14
Tender Requirement/Issue : The header forgings shall be
subjected to quality surveillance by the purchaser or his
authorised inspection agency. Clarifiation Required : Sample
QAP is requested. May pl. provide details regarding the
inspection agency.
Suggested QAP is attached with the tender document.
Details of inspection agency will be communicated to
the successful bidder.
63 21 General
Instead of HT of full header, it is proposed for local HT for
Dished end. Since thickness of feeder pipe is less than 19mm,
HT is not warranted as per section III NB, Table 4622.7(b).
Not acceptable.
64 22 GeneralIn case of repair after HT, it is proposed not to raise NCR, as it
is a weld deposit over weld.Tender condition shall prevail.
65 23 General
Whether the mentioned thichness of weld on weld joint for
outlet headers is bend side min. thickness or parent material
min. thickness after welding /repair, needs to be clarified.
Tender condition shall prevail.
66 24 General
The thickness in the bend region(after thining) of the feeder
pipes to be taken care such away that slight increase in
thickness of the pipe.which is very marginal leads to
NCR/DCR in all headers
Tender condition shall prevail.
67 25 General 20 NB thickness in bend region to be taken care Tender condition shall prevail.
68 26 General
NDE is 100% customer/third party witness is given in the
tender for all MPI,RT,UT,PT may be reduced in percentage
level.
Tender condition shall prevail.
69 27 General
Consider the feeder pipe thickness to avoid thickness built
up in weld joint after merging will reduce cycle time and
rework.
Tender condition shall prevail.
70 1Contractor shall submit…… out in the previous
month
Photographs of the job cannot be provided due to security
reasons..Tender condition shall prevail.
71 2The manufacturer shall ….. will be borne by the
manufacturer.
QS officials to be deputed within a day of inspection call. The
cost of retesting and re-inspection will be borne by the
purchaser if the item is delivered without any default of the
contractor.
Not accepted.
Page 9 of 11
Response of NPCIL to Pre-Bid Queries for TENDER NO. CMM/FTP/10-31-1-1133 (Tender ID-28556)
72 3 No advance is envisaged as per terms of payment
BHEL requested payment terms are as mentioned :
10 % Advance.
10 % on PO placement of RH Forgings.
5% on PO placement of Feeder Stud pipes
10 % on receipt of RH forgings at Contractor's works.
5% on receipt of Feeder stub pipes at Contractor's works.
20% on dispatch of each pair of reactor header assembly on
pro-rata basis.
25% upon safe transport & receipt of each pair of Reactor
Header Assembly, along with 100% of safe delivery charges.
5 % on pro-rata upon recipt of Final Documentation of each
pair of RH.
10% on Final Acceptance of all materials.
Will be responded later
Sr. No.
Bidders
Query
No.
Tender Section/Vollume
NameClause No./Subject Description Of Query NPCIL's Response
73 1 General -We have not received NPCIL AVL , please provide vendor
list for Forgings , fittings and weld consumables.
NPCIL do not have any list of suppliers. However for
the current order of KAPP-3,4 and RAPP-7,8 header
forgings were supplied by M/s FAV Italy, Feeder stub
by M/s ISMT Ahmednagar, Fittings by tec tubi Italy.
74 2
Technical specification
for Reactor assembly PC-
E-1003
7.71125 Deg C tempraure shall be maintained only for those
joints , which are required to be maintained as per code.As per tender condition.
75 3
Technical specification
for Reactor assembly PC-
E-1003
7.71 Please confirm acceptable welding processes.
welding shall be done by Electric arc welding process,
(GTAW,SMAW , SAW), and other process as specified
in tender specification.
76 4 Drrawings Tolerances We understand that where tolerance is not given, ± 3mm
shall be acceptable e.g (Centre to centre distance of pipes)Tender specification / drawing prevails.
77 5 PP-E-2356 Rev 01 8.2.2Please allow us to use X-ray in place of radium for less
than 19mm butt joints.Acceptable.
78 6 Drrawings Header thicknessPlease confirm margin to be considered in header wall
thickness.Tender specification / drawing prevails.
79 7 Genearl -
For components for whom material specification is not
given (e.g caps for hydro ), same shall be procured as
per code only , no special requirement is considered.
Yes, acceptable.
80 8 Genearl Scope of TPI Please confirm TPI and its scope. As per tender condition.(No TPI is allowed)
81 9 NDT Scope of UTPlease confirm scope of UT ,i.e. for which joints UT shall
be applicable?As per tender condition.
NAME OF BIDDER : M/s. Isgec Heavy Engineering Ltd
Page 10 of 11
Response of NPCIL to Pre-Bid Queries for TENDER NO. CMM/FTP/10-31-1-1133 (Tender ID-28556)
82
Feeder pipe thickness mention in specification PCM-287-Rev1
page 5 of 18 Para 4.1.2.f and in drawing no. GHAVP-
1&2/33117/2006/DD Rev.0 are contradictory. Please confirm
which thickness has to be followed.
Tender specification /drawing shall prevail.
83
Refer point 3.0 of SPC, Payment Termsۥ, we request for
milestone payments as mentioned below:
a) 1st Milestone on placement of Purchase Order for
Reactor Header Forgings as 15% in place of 10%
b) 2nd Milestone on placement of Purchase Order for
Feeder stub pipes as €œ10%€• in place of 5%
c) 3rd Milestone on receipt of Reactor Header Forgings at
Contractor’s works as “15%€• in place of €œ10%
d) 4th Milestone on receipt of Feeder stub pipes at
Contractor’s works as “10% in place of €œ5%
e) 5th Payment against dispatch of each pair of reactor
header assembly as 20% - No change.
f) 6th Payment upon safe transportation & receipt of
Reactor Header Assembly as €œ20% in place of €œ35%
g) 7th Payment upon receipt of Final Documentation as
5% - No change.
h) 8th Payment against final acceptance of all the materials
at Site as 5% in place of €œ10%.
All balance conditions for payment terms as per SPC point no.
3.0.
3) Refer point 3.0 of SPC, “Payment Terms, all payments
shall be released within 21 days of submission of invoice along
with supporting documents.
Will be responded later
84
Bid Validity as per Tender: Validity date (120 days from the
opening of Part-II Price Bid ) for the bid has been accepted.
ISGEC Clarification: This clause requires acceptance to
unlimited bid validity as the date of opening of Price bid is not
fixed / known. In view of the same, we can offer bid validity
of 120 days from date of tender submission.
Tender Conditions shall prevail.
Page 11 of 11