NTPC Limited
(A Government of India Enterprise)
Badarpur Thermal Power Station
NOTICE INVITING TENDER (NIT)
FOR
ESP Rectifier Transformer - BTPS
100098081
1.0
Bidding Document No:
NTPC invites on-line bids from eligible Bidders for aforesaid package, as per the scope of work briefly mentioned
Date:24.11.2014
hereinafter:
NIT No: 40029794
2.0
(Domestic Competitive Bidding)
Source of IFB/NIT
Document Sale Close Date & Time
17.12.2014 16:00:00
Badarpur Thermal Power Station
Contract Classification
Last Date and Time for Bid submission
Equipment Supply
09.01.2015 13:00:00
Document Sale Commencement Date & Time
NIT No.
40029794
24.11.2014
17:19:42
NIT Date
Brief Details
24.11.2014
Cost of Bidding Documents in INR
Bid Opening Date & Time
stipulated bid submission closing date and time at the address given below. Any bid without an acceptable Bid Security
3.0
Bid Security and Integrity Pact (if applicable) shall be submitted in a sealed envelope separately offline by the
Technical Opening Date & Time
Last Query Date (if any)
12.12.2014
30.01.2015 13:00:00
1,182.00
EMD in INR
09.01.2015 14:00:00
30000.00
Pre-Bid Conference Date & Time (if any)
and Integrity Pact (if applicable) shall be treated as non-responsive by the employer and shall not be opened.
4.0
A complete set of Bidding Documents may be downloaded by any interested Bidder on payment (non-refundable) of
the cost of the documents as mentioned above in the form of a crossed account Payee demand draft in favour of NTPC
Ltd.,
Payable
at
NEW
DELHI
or
directly
through
the
payment
gateway
at
our
SRM
Site
(https://etender.ntpclakshya.co.in/sap/bc/gui/sap/its/bbpstart). For logging on to the SRM Site, the bidder would require
vendor code and SRM user id and password which can be obtained by submitting a questionnaire available at our SRM
site as well as at NTPC tender site (
www.ntpctender.com). First time users not allotted any vendor code are required to
approach NTPC at least three working days prior to Document Sale Close date alongwith duly filled in questionnare for
issue of vendor code and SRM user id/password.
Hermetically sealed,silicon oil filled , with
ONAN
cooling & suitable
Voltage
Input : AC 415 V, 210 A ,50 Hz.
Variation : +/- 5%
variation : +/- 10 %, Frequency
with following specifications:-
controllers
Brief Scope of Work & other specific detail
for BAPCON Sigma electronic
5.0
1. 1.0 High voltage Transformer Rectifier set for Electrostatic precipitator.
ESP Rectifier Transformer - BTPS
Output : DC 70 Kv(Peak),1000 mA(Mean)
Equipment conforming to equivalent International Standard like IEC shall also be acceptable. The transformer oil shall
2.0 TRANSFORMER RECTIFIER SETS
IP-55,
Transformers shall conform to IS:2026. All other equipment/ accessories shall conform to relevant Indian Standards.
Current variation : 5% load Variation, KVA Rating: 78.5
KVA
Duty : Continuous, Enclosure
2.01.CODES AND STANDARDS
Tank: Welded type construction. Shall be provided with bi-directional skids, lifting lugs and four jacking pads.
Core: High grade non aging cold rolled grain oriented silicon sheet steel laminations
LT Connection Cable: Degree of protection of cable box IP:54.
Oil/ Oil preservation:The transformer oil shall be non toxic and shall have high flash point (above 300 deg.C). Sealed
type construction without breather.
Winding:Electrolytic grade copper.
meet the fire safety requirement specified in paragraph 450-23 of National Electrical Code .
2.02. EQUIPMENT DESCRIPTION
Type: Silicon oil filled, free standing transformer rectifier assemblies in steel housing with HV disconnect and ground
switch for each section of the ESP field. The sets shall be mounted on top of precipitator.
2.03.FITTINGS
Each TR set controller panel shall have isolating switch, power contactor, thermal overload relay, fuses for protection of
Temperature Indicator:Dial type oil temperature indicators with alarm and trip contacts.
Marshalling box: Degree of protection IP-54, provided with thermostatically controlled space heaters.
Bushings:Porcelain
SCRs etc.
Device:Oil level indicator Magnetic with low level alarm contact.
surge, excess temp. rise & under voltage to be provided.
Flux Density: Flux density should not exceed 1.9 Wb/ sq.m. in the entire voltage variation range.
V/F:Shall be designed for 1.1 continuous.
2.04.OPERATING CONDITIONS
Operation of precipitator shall not be affected when one rectifier unit is taken out of service.
Pressure Relief:Shall be of spring loaded type.
Oil level gauge:Prismatic/ toughened glass.
Max. temperature rise:Oil 50 deg.c
above ambient 50 deg.c
Transformer - Rectifier (T/R) set
regulate the rectifier in such a way, that the current through the electrostatic precipitator is corrected as the conditions for
and maintain the spark rate at a suitable level for variations of gas temperature, dust composition, gas flow etc. It shall
feed back circuit at
Protection:Suitability for working under transient sparking conditions & occasional short circut load. Protection against
shall
TRSETS end
be suitable for
Noise Level:Shall not exceed values specified in NEMA-TR-1.
BAPCON Sigma controllers.
Microprocessor Based
maintaining the optimum voltage and current in ESP under all regimes
sparking are changed. It shall be able to monitor filter functioning and shall give an alarm when values are lower or
Each Transformer rectifier set shall be connected with a separate microprocessor based controller (TRC) for regulation
and control of the electric power input to electrostaticprecipitator fields. It shall automatically optimise the charge ratio
respective electrical fields. It shall be capable of
of boiler operation.
higher than set. It shall automatically regulate the charge ratio of each field/TR set based on V-I characteristics of the
Hermetically sealed,silicon oil filled , with
ONAN
cooling & suitable
for NWL electronic
specifications:-
Input : AC 415 V, 222.4 A ,50 Hz.
Voltage
Current variation : 5% load Variation,
cost will be paid
controllers
Agency engineer has to supervise installation and commissioning work as per instruction of as per site requirement. No.
additional
with following
variation : +/- 10 %, Frequency
Output : DC 90 Kv(Peak),1000 mA(Mean)
Variation : +/- 5%
2. 1.0 High voltage Transformer Rectifier set for Electrostatic precipitator.
Duty : Continuous, Enclosure
meet the fire safety requirement specified in paragraph 450-23 of National Electrical Code .
Equipment conforming to equivalent International Standard like IEC shall also be acceptable. The transformer oil shall
2.01.CODES AND STANDARDS
IP-55,
2.0 TRANSFORMER RECTIFIER SETS
Transformers shall conform to IS:2026. All other equipment/ accessories shall conform to relevant Indian Standards.
Winding:Electrolytic grade copper.
Core: High grade non aging cold rolled grain oriented silicon sheet steel laminations
type construction without breather.
LT Connection Cable: Degree of protection of cable box IP:54.
Oil/ Oil preservation:The transformer oil shall be non toxic and shall have high flash point (above 300 deg.C). Sealed
Bushings:Porcelain
Tank: Welded type construction. Shall be provided with bi-directional skids, lifting lugs and four jacking pads.
2.02. EQUIPMENT DESCRIPTION
Type: Silicon oil filled, free standing transformer rectifier assemblies in steel housing with HV disconnect and ground
switch for each section of the ESP field. The sets shall be mounted on top of precipitator.
Temperature Indicator:Dial type oil temperature indicators with alarm and trip contacts.
Marshalling box: Degree of protection IP-54, provided with thermostatically controlled space heaters.
Operation of precipitator shall not be affected when one rectifier unit is taken out of service.
Flux Density: Flux density should not exceed 1.9 Wb/ sq.m. in the entire voltage variation range.
Pressure Relief:Shall be of spring loaded type.
Device:Oil level indicator Magnetic with low level alarm contact.
2.03.FITTINGS
Each TR set controller panel shall have isolating switch, power contactor, thermal overload relay, fuses for protection of
SCRs etc.
Max. temperature rise:Oil 50 deg.c
above ambient 50 deg.c
surge, excess temp. rise & under voltage to be provided.
Noise Level:Shall not exceed values specified in NEMA-TR-1.
Oil level gauge:Prismatic/ toughened glass.
2.04.OPERATING CONDITIONS
V/F:Shall be designed for 1.1 continuous.
Transformer - Rectifier (T/R) set
regulate the rectifier in such a way, that the current through the electrostatic precipitator is corrected as the conditions for
higher than set. It shall automatically regulate the charge ratio of each field/TR set based on V-I characteristics of the
sparking are changed. It shall be able to monitor filter functioning and shall give an alarm when values are lower or
and maintain the spark rate at a suitable level for variations of gas temperature, dust composition, gas flow etc. It shall
Each Transformer rectifier set shall be connected with a separate microprocessor based controller (TRC) for regulation
feed back circuit at
TRSETS end
be suitable for
shall
Protection:Suitability for working under transient sparking conditions & occasional short circut load. Protection against
BAPCON Sigma controllers.
and control of the electric power input to electrostaticprecipitator fields. It shall automatically optimise the charge ratio
Microprocessor Based
Agency engineer has to supervise installation and commissioning work as per instruction of as per site requirement. No.
respective electrical fields. It shall be capable of
of boiler operation.
maintaining the optimum voltage and current in ESP under all regimes
Quality Checks:-
1. Detailed Drawing/ Data-sheet/ Specifications along with detailed Bill of material ( if applicable ) to be got approved
from indentor.
additional
cost will be paid
BTPS (FQA) and Indentor.
4. Vendor is to submit Test, Guarantee & Fitment certificate during inspection.
2. Detailed QAP (NTPC format) along with acceptance norms, to be submitted along with the offer for approval from
3. Material to be checked at vendor's works as per approved QAP, Drawing, Data-sheet & Specifications.
5. All material should bear manufacturer identification including part no/catalogue no/model etc.
Important Notes for Bidders:
1. Bidder are requested to submit offer online in SRM, Hard copy is not acceptable.
or CST.
may pls note that BTPS is authorized to issue C- form ,where
BTPS is situated in Delhi , Bidder supplying material from
4. Bidders are requested to quote either with VAT
outside Delhi are requested to quote CST and Bidder supply material from Delhi are requested to quote VAT. Bidder
ever applicable.
transportation, insurance etc.
3. Bidders are requested to open output preview and cross verify the quoted rates, P&F charges, taxes, duties,
2. Detailed specification mentioned in information from purchaser in Item data tab shall be final.
as blank and ignore the warning of item rate being zero.
Say if the rates are required to filled up per 1 number, the price for 1 number should be filled up in item data.
5. If
bidders wants to regret some item(for item wise evaluation), pls leave all the field in item data-see conditions tab
Say if the rates are required to be filled up per 1 meter/ 1 MT, the price for 1 meter/ 1 MT should be filled up in
Don#t# change the unit of measurement or per ----- number.
item data.
6. All the catalogues/Technical data/part number etc
7. You are requested to quote as per unit of measurement and per unit quantity required in item data
are to be attached in C # Folder.
Red square: Error - need to be removed and click on check messages to see whether the error has been removed.
The following qualifying requirement shall be incorporated in tender:-
Qualifying Requirements:
Green circle: Information only
Yellow Triangle: Warning only.
6.0
bidding documents.
Pls note:
Prospective bidders from U.P. State are compulsorily required to provide TIN number at the time of purchase of
set of capacity 415 V AC / 90 KV DC 1000mA DC or 70 KV 1000mA DC output.
7.0
Qualifying Requirements for Bidders:
1.0 (i) The Bidder should be a manufacturer and supplier of Hermetically sealed silicon oil filled HV transformer rectifier
OR
Two works of value not less than Rs 7.50 lacs (Rupee Seven
only) each.
fifty
thousand only) each.
lakhs
Note:
2.0 The bidder should have executed any one of the following Similar Works In India in the preceding seven years as on
OR
One Work of value not less than Rs 12.00 lacs (Rupee Twelve lakh only)
the date of opening of Techno-Commercial proposal:
2.2 The work #executed# mentioned above means the bidder should have achieved the criteria specified above, even if
Three works of value not less than of Rs 6.0 lacs (Rupee Six
the total contract is started earlier and/or is not completed/closed.
lakhs
2.1 #Similar# works means any work which includes #supply of rectifier Transformer #.
proposal as certified by the Client shall be considered.
2.3 In case of orders under execution, the value of work executed till the date of opening of Techno-Commercial
action.
Issuance of Bidding Documents to any bidder shall not construe that bidder is considered qualified.
NTPC reserves the right to reject any or all bids or cancel/withdraw the NIT for the subject package without
9.0
assigning any reason whatsoever and in such case no bidder/intending bidder shall have any claim arising out of such
8.0
statements from a practicing Chartered Accountant shall be considered acceptable.
3.0
3.1
In case where audited results for the last preceding financial year are not available certification of financial
Techno-Commercial proposal should not be less than Rs 60.00 lakh
Note:
( Rupee Sixty lakh only ).
3.2
While computing the annual turnover other income shall not be considered.
The average annual turnover of the bidder in the preceding three financial years as on the date of opening of
Address for Communication
Amanpreet Kaur
10.0
Dy.Mgr(Pur), 9650992502