Purchase Order No. 1713/PNGS-689
Dated 01.10.2013
BHAKRA BEAS MANAGEMENT BOARD
Chief Engineer (Transmission System)
Planning & Design (TS) Directorate
SLDC Complex, Indl. Area Phase-I, Madhya Marg
CHANDIGARH – 160 002
Telefax : 0172-2654468 EPABX-0172-2653735 Extn- 301 E.mail: dirpp@bbmb.nic.in
To
M/S Alstom T&D (India) Ltd,
SCO No. 222-223 (Ist floor),
Sector-34, Chandigarh.
Memo No.
Fax No. 0172 - 2615625
/PNGS-689
Date.
Subject:- Design, Manufacturing, testing, supply and delivery of 1No, 420KV, 80MVAR
Shunt Reactor and Spares for 400KV sub station BBMB Panipat against NIT
No. 378 dated 17/01/2013 and BBMB Specification No. BBMB/ SS-I/ 432.
---References : 1.
Your offer through e- tendering against subject cited NIT and
specification- Part-I opened on 03/04/2013 and Part-II opened on 26/06/2013.
2.
Your letter No. SS/SA/BBMB-RCTR378/CLRF. Dated 24/04/2013
3.
Your letter No. SS/SA/BBMB-RCTR378/CLRF.1 Dated 02/05/2013
4.
Your letter No. SS/SA/BBMB-RCTR378/CLRF.2 Dated 03/05/2013
5.
Your letter No. SS/SA/BBMB-RCTR378/CLRF.3 Dated 09/05/2013
6.
Your letter No. SS/SA/BBMB-RCTR378/CLRF.4 Dated 17/07/2013
7.
L.O.I. placed vide this office memo no.3211 /PNGS-689 dated
19.09.2013 and confirmed vide your letter no.SS-SA/BBMB:TE378/SRCT-LOI ACK dated 25.09.2013.
Dear Sir,
With reference to above, I am directed to place upon your firm a detailed purchase order
for Design, manufacturing, testing, supply and delivery on FOR destination basis of 1No.
420KV, 80MVAR Shunt Reactor and Spares for 400KV sub station BBMB Panipat against
specification No. BBMB/ SS-I/ 432 at the prices, terms and conditions as detailed hereunder as
well as in Annexure –A, B1, B2, B3, C to F and Appendix-A to D enclosed herewith.
Purchase Order No. 1713/PNGS-689
Dated 01.10.2013
I. SCOPE & SCHEDULE OF PRICES:Sr.
No.
Description
2
3
Ex- Works Price
including
Packing &
forwarding
charges
(Rs.)
4
80MVAR,
420KV
50HZ
oil
immersed outdoor type ONAN
cooled shunt reactor complete with
flanged
bi-directional
roller
(1676mm rail gauge) and all the
fittings and accessories, as pointed
out in the specification No.
BBMB/SS-I/432 and with EHV
Grade Nepthenic base transformer
oil for first filling &10% extra &
including testing charges. The Shunt
Reactor shall be fitted with cooler
bank (radiators) along with Air cell
type conservator tank and Nitrogen
1No.
35100000
1
1(a)
Qty
Freight &
Transit
insurance
charges
FOR destination
price exclusive of
Taxes & duties
(Rs.)
5
(Rs.)
6
1210000
36310000
Injection-cum-Fire Extinguishing system
1(b)
1(c)
Spares as per Annexure-A
Charges for Supervision of Erection
& commissioning of Shunt reactor
unit
Total 1(a)+1(b)+1(c)
1 set
Lump
sum
870000
11500
(Exclusive of Service Tax)
881500
350000
37541500
(Rs three Crore seventy five lacs forty one thousand five hundred only)
NOTE:1. The above prices of Shunt Reactor & Spares are ‘FIRM’.
2. Excise Duty, Central Sales Tax (against concessional Sales Tax form C) shall be
payable as applicable at the time of delivery
but
limited
to
rates
prevailing within Contractual delivery period. Present rate of Excise duty is 12.36% and
CST 2% against Form C.
3. Testing charges of shunt Reactor are included in the Prices of main shunt Reactor unit.
4. Supervision of Erection & commissioning:- Charges for Supervision of Erection &
Commissioning of Shunt Reactor shall be paid after successful commissioning of shunt
Reactor at site . Service tax shall be payable as applicable at the time of commissioning
of Shunt Reactor. Present rate of Service tax is @ 12.36%.
5. Bank charges, if any, shall be borne by the supplier.
2
Purchase Order No. 1713/PNGS-689
II.
1.0
2.0
3.0
Dated 01.10.2013
MAIN TERMS & CONDITIONS ARE AS UNDER:GENERAL TERMS & CONDITIONS:All the commercial terms & conditions of purchase order are given in the Appendix-A,
subject to the extent modified by the clauses mentioned hereunder.
DELIVERY:Delivery of complete equipment as stipulated in this contract shall be completed by
supplier within 22 weeks from the date of receipt of technically and commercially clear
order. The technical clearance of the P.O. will be deemed from receipt of approved
drawings by the supplier, allowing one week time for postal transit. The supplier will,
however, ensure that the complete drawings as per clause -25 of Annexure-C are
received by the purchaser within 45 days of receipt of P.O. If the drawings are found to
be deficient in any manner, the deficiency, so communicated, would be rectified within
next 20 days. The delay beyond 45 days in submission of drawings in the first instance
and beyond 20 days in resubmission of drawings (after removal of deficiencies, if
pointed out) would count towards levy of penalty as per Clause 5.0 below.
Delivery shall be made as per dispatch instructions in Annexure-F.
IMPORTANT PARAMETERS
The Shunt Reactor on order shall have the following guaranteed and other technical
particulars besides technical particulars enlisted in schedule of guaranteed & other
technical particulars as per Annexure-B-I & Annexure -B-2 and shall strictly comply
with latest edition of IEC-76, IEC-354, IS: 2026, IS: 5553, relevant CBIP specification,
BBMB specification No. SS-I/432 and your offer. The salient features of the BBMB
technical specification are enclosed herewith as Annexure-C.
1 No. 80MVAR, 420KV Shunt Reactor
(i)
Shunt Reactor rating
= 80MVAR
(ii)
Total losses(Maximum) at rated MVAR/current &
= 150KW
o
rated voltage (420KV) 50HZ frequency at 75 C
average winding temperature
(iii)
Temperature rise over max. ambient air temp of 50 deg C
a)
Top oil by thermometer
=500C
b)
Winding by resistance
=550C
c)
Hot spot Temp. calculated over an annual
=980C
Weighted temperature of 32deg.C
d)
Limits of hot spot temp. for which reactor is
=1400C
designed as per IS:6600/IEC-354
.
(iv)
Masses (Kg)
a) Bare copper used
i) For winding
=10500Kg
ii) For leads & connection
=250Kg
b) Windings
i) With insulation
=13000Kg
ii) Soaked in oil
=13500Kg
c) Core
i) CRGO Laminations(yoke + magnetic disc) =37500Kg
ii) Supporting frame work
=3500Kg
Total losses are guaranteed maximum without any positive tolerances.
Tolerance in %age impedance shall be as per IS:5553.
No positive tolerance shall be allowed on temperature rise of oil, winding and hot spot
temperature than the guaranteed value.
3
Purchase Order No. 1713/PNGS-689
Dated 01.10.2013
No negative tolerance shall be allowed on weights of copper & core.
TERMS OF PAYMENT: 100% payment of material shall be made within 30 days after the receipt of complete
material at site in good condition and according to the specification and physical
verification and record entry by the consignee in the relevant GR/MB.
Payment of charges for Supervision of Erection & Commissioning of Shunt Reactor shall
be made after successful commissioning of shunt Reactor at site.
5.0 PENALTY CHARGES:If the supplier fails to abide by the provisions of Delivery clause, he shall be liable to pay
@1/2% per week or a part thereof the ex-works delivery price excluding taxes and duties
(but including freight and insurance charges where break up of FOR Destination price is
not available) of such portion of material as has not been delivered within “Delivery
Period” subject to maximum of 10% of the contract value of the delayed/undelivered
portion of material as penalty charges.
6.0 WARRANTY AND WARRANTY DEED:
The warranty for the equipment shall be 12 months from the date, the material is
commissioned/put to use by the end user or 18 months from the date of despatch
whichever period may expire earlier.
The supplier shall execute a Warranty Deed (as per Appendix-B) on a non-judicial
stamp paper as per clause-13 of Appendix-A of the purchase order immediately after
placement of purchase order.
7.0 PERFORMANCE BANK GUARANTEE: The supplier shall furnish Performance Bank Guarantee (on the standard Performa of
BBMB enclosed herewith as per Appendix-C) to the tune of 10% value of contract as
per Clause-14 of Appendix-A of this purchase order. The PBG should be for
Rs.37,54,150/. This PBG should be accepted and retained by this office till the validity of
the PBG. The validity of the PBG can be extended if required.
8.0 ERECTION & COMMISSIONING:The erection/commissioning of shunt reactor shall be carried out departmentally.
However complete supervision required during erection and commissioning shall be
provided by the supplier engineer(s). Charges for Supervision of Erection &
Commissioning of Shunt Reactor shall be paid after successful commissioning of shunt
Reactor at site.
9.0 INSPECTION AND TESTS :The routine/type/special tests as per clause-26 of Annexure-C (Salient feature of
Technical specification No.BBMB/SS-1/432) shall be carried out at the works of supplier.
Charges for routine/type/special tests have been included in the Prices of Main shunt
reactor unit.
.
10.0 DRAWINGS, LITERATURE AND INSTRUCTION BOOK:The contract drawings in quadruplicate based on tender drawings shall be submitted by
the supplier immediately after the receipt of purchase order (not later than 45 days) for
the approval of purchaser. The drawings, if found in order, shall be approved by the
purchaser. Six sets of approved drawings and their reproducible shall be submitted after
approval. The supplier shall also supply six sets of Instruction books containing
necessary information regarding installation, operation and maintenance of the
equipment covered in the purchase order along with final test results /test certificates of
the shunt reactor as mentioned in Note under Sr. No. 25 of Appendix-C. The prices
include the cost of such drawings/instruction books and nothing extra shall be paid on
this account.
11.0 SPECIFICATION AND DETAILS OF EQUIPMENT:The material to be manufactured and supplied under this PO shall be in accordance with
specification no. BBMB/SS-432, which shall form a part of this contract subject to
4.0
4
Purchase Order No. 1713/PNGS-689
Dated 01.10.2013
departures from the provision of specification, issued by the purchaser whether on
account of manufacture practice or for any other reason and mutually agreed upon
between supplier and the purchaser.
The material shall further be manufactured and supplied as per details given in
Annexure -B1, B2 & B3.
12.0 GUARANTEED & OTHER TECHNICAL PARTICULARS:The shunt reactor and transformer oil shall satisfy the guaranteed & other technical
particulars in Annexure -B1, B2 and B3.
13.0 COMPLETENESS OF MATERIAL:All fittings, accessories and apparatus which may have not been specifically mentioned
in the order but are actually otherwise necessary for completeness of equipment shall be
deemed to have been included in the contract. All equipment shall be completed in all
respects where such details are mentioned in purchase order or not.
The shunt reactor shall be completed with fittings and accessories described in
Annexure-D besides any other fitting/accessory considered necessary by the
manufacturer.
14.0 EARNEST MONEY/SECURITY DEPOSIT:The supplier shall deposit Rs.3,75,415/-(1% of the order value ) in the form of Demand
Draft/Bank Guarantee(on proforma as per Appendix-D)/Deposit at call receipt/FDR in
favour of Sr. Accounts Officer, BBMB, Chandigarh as Security deposit within 7 days of
receipt of this purchase order as per clause no. 20 of section-IA of Specification
BBMB/SS-I/432.
15.0 TRANSPORTATION, INSURANCE & HANDLING OF MATERIAL :The supplier shall be responsible for
Transportation, Insurance and handling of
material upto destination station as per despatch instructions. The material shall be
despatched by Rail/Road on” Freight pre-paid”. The supplier shall be responsible for
insurance and handling of material upto destination station. The Purchaser shall have
the right to lodge claim/claims for shortage/damages etc. if any, during transit with the
supplier within 30 days of the receipt of material. The settlement of such claims with the
underwriters shall be supplier’s responsibility. In such an event, the BBMB shall obtain
an open Delivery and Certification from the Railway/ Carrier.
16.0 METHOD OF RAISING INVOICES:a) Invoices for payment shall be prepared in pen-triplicate. Original copy (duly stamped
and pre-receipted) and one spare copy along with despatch documents shall be
sent to the concerned Sr. Xen BBMB, one copy of the same shall be sent Sr.
Accounts Officer, one copy to SE /O&M circle, BBMB Panipat and one copy to this
office. The supplier shall give at least 15 days notice before despatch to the Sr.
Accounts Officer and the consignee so that necessary arrangements for the funds
and unloading of the material are made by them respectively.
b)
Payment shall be made by the paying Authority viz Sr. Accounts Officer, BBMB, on
presentation of the following documents:i)
Copy of the invoice.
ii)
Certificates for Central Sales Tax & Excise Duty.
iii)
Copy of Despatch Authorization.
c)
Bank- State Bank of India of the respective city
d)
No. goods shall be accepted unless accompanied by prices challan or invoices.
e)
Please also state on your invoice, the number & date of your challan and the name
of the officer or person to whom goods are delivered.
5
Purchase Order No. 1713/PNGS-689
Dated 01.10.2013
17.0 ACKNOWLEDGMENT:It is requested to acknowledge the receipt of this purchase order and return one copy of
the purchase order duly appended with the signatures of your authorized person legally
competent to sign as per Clause no.21 of Appendix-A.
Dy. Chief engineer/P&D(TS),
DA/ 3 copies of PO, each having
1.
2.
3.
4.
5.
6.
7.
8.
9.
10.
11.
12.
BBMB, Chandigarh.
Annexure-A –A List of spares to be supplied alongwith shunt reactor
Annexure-B1 Guaranteed Technical Particulars of 80MVAR, 420KV Shunt Reactor
Annexure-B2 Other Technical Particulars of 80MVAR, 420KV Shunt Reactor
Annexure-B3 Guaranteed characteristics of New transformer oil
Annexure-C Salient feature of BBMB specification
Annexure-D Fitting & accessories
Annexure-E Provision of inbuilt complete Nitrogen Injection Fire Prevention cum
Extinguishing system
Annexure-F Dispatch Instructions
Appendix-A Commercial Terms & Conditions of P.O.
Appendix-B Warranty Deed Proforma.
Appendix-C Performance Bank Guarantee Proforma
Appendix-D Bank Guarantee Proforma For Security Deposit
6
Purchase Order No. 1713/PNGS-689
पृँठांकन न:
/PNGS-689
Dated 01.10.2013
פüनÖӍú:
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1)
2)
मु य अिभय ता, पारे ंण
ूणाली (काय भाग) बीबीएमबी, च ड गढ़ ।
व य सलाहकार एवं मु य लेखा अिधकार , बीबीएमबी, च ड गढ़ ।
3)
अधी ण अिभय ता, ओ एंड एम प रम डल, 400केवी िमड सबःटे शन, बीबीएमबी, पानीपत।
4)
व रंठ कायकार अिभय ता,ओ एंड एम म डल, 400केवी िमड सबःटे शन, बीबीएमबी, पानीपत।
5)
व रंठ लेखा अिधकार , बीबीएमबी, 400केवी िमड सबःटे शन, बीबीएमबी, पानीपत।
6)
ˆ¯Ö ´Ö›ü»Ö †×¬ÖúÖ¸üß,
एस एड़ ट , 400केवी िमड सबःटे शन, बीबीएमबी, पानीपत।
This issues with the approval of the
Purchase Committee of BBMB (PW)
accorded in its meeting held on 10/09/2013 as conveyed vide Special Secretary, BBMB,
Chandigarh vide memo No. 30394-93/B-1547/PC/10.09/2013/2P dated 17/09/2013. This has
been scrutinized by the Sr. Accounts Officer, BBMB, Chandigarh vide H.M No. 2519 Dated
01.10.2013.
DA/As above
उप मु य अिभय ता /¯Öß
‹¾ÖÓ ›üß (™üß ‹ÃÖ)
²Öß ²Öß ‹´Ö ²Öß, “ÖÓ›üߐ֜Íü …
7
Purchase Order No. 1713/PNGS-689
Dated 01.10.2013
ANNEXURE-A
Schedule of Prices of spares
Sr.
No.
a
b
c
d
e
f
g
h
i
j
Description of spares
HV Bushing OIP 420KV, 800A
(complete assembly)
Neutral Bushing OIP 145KV 800A
(complete assembly)
WTI with remote indicator
OTI with remote indicator
Dial type thermometer for OTI
Buchhloz relay
Complete set of gaskets
Pressure relief device
Magnetic oil level gauge
Conservator Diaphragm (Air cell)
Unit price
(In Rs.)
Qty
Unit
1
No.
665000
1
1
1
1
1
1
1
1
1
No.
No.
No.
No.
No.
No.
No.
No.
No.
Total
20000
10000
9000
14000
7000
68000
8000
9000
60000
870000
8
Unit Freight &
Transit
Insurance
charges
(in Rs.)
5000
1500
500
500
500
500
1000
500
500
1000
11500
Purchase Order No. 1713/PNGS-689
Dated 01.10.2013
Annexure-B1
GUARANTEED TECHNICAL PARTICULARS OF SINGLE PHASE 420KV, 80MVAR SHUNT
REACTOR
Sr. No.
Particulars
Value
1
Normal continuous rating under site condition
80MVAR
2
No. of phases
3
3
Frequency
50HZ
4
Rated voltage of HV winding
420KV(1p.u.)
5
Impedance voltage at normal rating & at 75deg. C
100%+ tolerance as per
IS:5553
6
Connections
Star, Neutral ends of the
winding are to be brought out
to the respective terminals
through well insulated bushings
on the side of the reactor tank,
so as to make connections for
the neutral which shall be
grounded through Neutral
Reactor.
7
System Fault level
40KA
8
DC Voltage for relays
220V
9
Reference ambient temperatures
a) Maximum ambient air temperature deg C
500C
-
b) Maximum daily average ambient air temp. deg C
400C
-
c) Maximum yearly weighted average ambient air
temp. deg C
320C
-
d) Minimum ambient air temp. deg C
-50C
Temperature Rise over maximum ambient air temp.
50 deg C
a) Top oil by thermometer
500C
-
b) Winding by resistance
550C
-
Hot spot temperature calculated over an annual
weighted ambient temp. of 320C.
980C
11
Base of Shunt Reactor oil confirming to IS:335
Nepthenic
12
Class of major insulation
A Class(1050C)
13
Type of Tank
Bell Type/Coventional
14
Short circuit withstand capacity of bushing
25 times the rated current for 2
seconds
15
Withstand pressure of tank(when empty of oil)
As per CBIP Manuals
16
Withstand pressure of cooling equipment(when
empty of oil).
As per CBIP Manuals
17
Core
i)Thickness of core lamination
0.30 mm (Max.)
10
9
Purchase Order No. 1713/PNGS-689
Dated 01.10.2013
ii)Material of insulation of core lamination
Baked enamel/Carlite
insulation/Inorganic coating
Size of rail gauge at the centre line of Shunt Reactor.
a) Longitudinal
1676mm
b)Transverse
1676mm
19
Material of winding conductor
Solid drawn electrolytic grade
copper
20
HV Terminal bushings on the Shunt Reactor:-
i) Rated voltage (rms)
420KV
-
ii) Type of bushing
OIP condenser with test tap
-
iii) Dry one minute power frequency withstand
voltage (rms).
630KV
-
iv) Dry 1.2/50 microsecond Lightning impulse
withstand test Voltage.
1425KVp
-
v) Switching Impulse withstand voltage
1050KVp
-
vi Minimum creepage distance (mm).
10500
-
vii) Power frequency visible discharge test voltage.
As per IS:2099
-
viii) Tan delta capacitance.
As per IS:2099
-
ix) Partial discharge level.
As per IS:2099
Neutral Terminal bushings on the Shunt Reactor:-
i) Rated voltage (rms)
145KV
-
ii) Type of bushing
OIP condenser with test tap
-
iii) Dry & wet one minute power frequency withstand
voltage (rms).
275 KV
-
iv) Dry 1.2/50 microsecond Lightning impulse
withstand test Voltage.
650KVp
-
v) Minimum creepage distance (mm).
3625
-
vi) Power frequency visible discharge test voltage.
As per IS:2099
-
vii) Tan delta capacitance.
As per IS:2099
-
18
-
21
viii) Partial discharge level.
As per IS:2099
22
Material of winding conductor
Electrolytic grade copper
23
Type of cooling
ONAN
24
Fixed or variable impedance type
Fixed
25
Tapping arrangement
No taps
26
Winding terminals brought out or not
Both ends of each winding
brought out
27
Type of insulation
Graded
28
Dielectric withstand test voltages HV winding:-
a)1.2/50 microsec. lightning impulse test voltage, KV
peak
1300
-
b)20/200/500 (microsecond) Switching surge
withstand voltage KV peak
1050
-
c) Power frequency test voltage: Induced over
voltage test.
As per IS:2026 Part III(MethodII)
-
d) Partial discharge level at 364KV
Less than 100 pC
Dielectric withstand test voltages Neutral Terminal:-
a) 1.2/50 microsec. lightning impulse test voltage, -KV peak
550
29
10
Purchase Order No. 1713/PNGS-689
-
Dated 01.10.2013
b) Power frequency test voltages:-
i) Separate source withstand test -KV rms
230
ii) Induced over voltage test.
As per IS:2026 Part III(MethodII)
30
Permissible current unbalance among different
phases
+ 2% of the average current
31
Ratio of Zero sequence reactance to positive
sequence reactance (X0/X1)
Between 0.9 and 1.0
Harmonic content in phase current
The crest value of the third
harmonic component in phase
current (when reactor is
energized at rated voltage with
sinusoidal wave form) not to
exceed 3% of the crest value of
the fundamental.
33
Vibration level
Not more than 200microns
peak to peak, Average
vibration shall not exceed
60microns peak to peak.
Tank stresses shall not
exceed 2.0Kg/mm2 at any
point on the tank.
34
Range of constant Impedance
Upto 1.5p.u. Voltage
-
32
11
Purchase Order No. 1713/PNGS-689
Dated 01.10.2013
Annexure-B2
SCHEDULE OF OTHER TECHNICAL PARTICULARS OF THREE PHASE 420KV, 80MVAR SHUNT REACTOR
Sr.
No.
Particulars
Value/data
ALSTOM T AND D INDIA LIMITED,
ALLAHABAD (UP)
1
Name of the Manufacturer & place of manufacture
2
Type of Service
3
Type of Reactor i.e. whether gapped core type or
magnetically shielded air core type
4
Rated current-Amp.
5
a) Temp Gradient between
average oil temp- 0C
-
b) Hot spot temperature calculated over maximum
ambient temperature of 50 deg C- 0C
-
c) Hot spot gradient- 0C
-
d) Limits of hot spot temperature for which shunt
reactor is designed.- 0C
6
Reactance at rated current and rated voltage-%
7
Linearity of shunt reactor current with respect to voltage (in
pu on base 420KV)
Upto 1.5pu voltage
8
Noise level when energized at rated voltage & frequency(dB)
and reference standard
As per NEMA TR-1
9
Total Losses (Maximum) at rated MVAR/current & rated
voltage(420KV) 50HZ frequency at 75 deg C average
winding temperature-KW(Firm)
10
a). Zero sequence Impedance-ohms
-
Outdoor
Gapped Core Type
109.97 Amp Approx.
Average
b). Positive sequence Impedance-ohms
winding
and
15 deg C Approx.
116 deg C
20 deg C Approx.
140deg C
100 % approx
150 kW Max
0.9 to 1.0 P.U. of positive sequence
impedance
2205 Ω Approx.
Purchase Order No. 1713/PNGS-689
Dated 01.10.2013
11
Equipment for ONAN cooling- whether radiators are on main
tank or Separate cooler bank
12
Number of cooler or cooler banks
13
Rating of each of cooler or cooler bank-%
14
Calculated OIL time constants for Natural cooling (ONAN)
Hrs.
6 hour approx.
15
Thickness of Cooling tubes of radiators of Shunt Reactormm
1.0~1.2 mm CRCA sheet
16
Type of Tank
17
Thickness of sheets of tank of Shunt Reactor
Separately mounted cooler bank
2
60%
Bell / conventional tank
a) Sides(mm)
10 mm Approx
-
b) Bottom(mm)
16 mm Approx
-
c) Top(mm)
20 mm Approx
18
Untanking Height (mm)
8500 mm Approx.
19
Total volume of conservator for Main tank -Ltrs.
3800 ltrs approx.
20
Volume of conservator between the highest and lowest
levels for Main tank -Ltrs
3600 ltrs approx.
21
Detail of equipment in Marshalling Box
Temp. indicators, terminal block and gland
plate, control and protection equipment
22
Type and details of winding hot spot temp. indicator
Liquid Expansion type , 2 sets of contacts
23
Gas and oil operated relay
24
a) Make & type
Atvus make , Double float type
b) Whether description, data, range of settings and
schematic diagram attached
double float type with alram and trip contactor
Windings:-
a) Insulating material used for winding.
pressboard, permawood, insulating oil.
-
b) Insulating materials used between winding and
shield/Core.
pressboard, permawood, insulating oil.
-
c) Details of special arrangement provided to improve surge
voltage distribution in the windings.
-
d) Material of Inter-turn insulation.
-
e) Maximum current density in the windings at C.M.RAmp/sqmm.
intershielded disc winding
craft paper
0
3.0 A/sq.mm
-
f) Resistance per phase at 75 C-ohms
3.0ohms approx
-
g) Reactance per phase of winding-ohms
2205 Ω Approx.
13
Purchase Order No. 1713/PNGS-689
25
Dated 01.10.2013
0.9 to 1.0 P.U. of positive sequence
impedance
a) Zero sequence Reactance -ohms
-
b) Positive sequence Reactance-ohms
-
c) Ratio of Zero sequence reactance to positive sequence
reactance
26
Wave form for impulse test
27
Magnetic Shield/Core
2205 Ω Approx.
Between 0.9 and 1.0
1.2/50 µs
i) Grade of Magnetic Shield/Core material
M4 or M5 Grade
-
ii) Whether Magnetic Shield/Core plates are cold rolled grain
oriented
-
iii) Insulation of Magnetic Shield/Core bolts
-
iv) Insulation of Magnetic Shield/Core bolt washers
-
v) Name & address of vendor supplying CGRO
-
vi) Magnetic Shield/Core bolt insulation withstand for
1minute(KVrms)
-
vii) Details of oil cooling ducts
Yes- CRGO
carlite coating
NA as boltless core construction is used
Nippon/ Ak Steel / POSCO/ TKES/ VIZSTAL
Russia(NLMK)
2 kVrms for 1 min
a). Whether in the plane of winding
No
-
b). Across the plane of lamination
No
-
viii) Number of limb of the shield/Core
28
3 main + 2 Aux. (return) limb
HV Bushing:-
i) Make
ALSTOM / CGL/ BHEL/TELK
-
ii) Type of bushing
-
iii) Rated Voltage class (KVrms)
-
iv) Rated current (Amperes)
800 Amp
-
v) Dry 1 minute power frequency voltage (KVrms)
630kVrms
-
vi) Wet 1 minute power frequency voltage (KVrms)
630kVrms
-
vii) Weight of assembled bushing-Kg
-
viii) Free space required at the top for removal of
bushings(mm)
-
ix) Creepage distance (total)-mm
-
x) Quantity of oil in bushing and specification of oil used-Ltrs.
100 ltr. Approx.
-
xi) Overall dimensions of HV bushings(mm)
5690mm approx
29
OIP Condenser
420
685 kg Approx.
10500 mm Approx.
10500 mm
Neutral Bushing:-
i) Make
ALSTOM / CGL/ BHEL/TELK
-
ii) Type of bushing
OIP Condenser
-
iii) Rated Voltage class (KVrms)
-
iv) Rated current (Amperes)
800 Amp
-
v) Dry 1 minute power frequency voltage (KVrms)
275kVrms
145 kV
14
Purchase Order No. 1713/PNGS-689
Dated 01.10.2013
-
vi) Wet 1 minute power frequency voltage (KVrms)
-
vii) Weight of assembled bushing-Kg
-
viii) Free space required at the top for removal of
bushings(mm)
-
ix) Creepage distance(total)-mm
-
x) Quantity of oil in bushing and specification of oil used-Ltrs.
-
xi) Overall dimensions of Neutral bushings(mm)
30
109 kg Approx.
7000 mm Approx.
3625
a). Bare copper used
i) For winding(Kg)
ii) For leads and connections(Kg)
-
b).Windings
7 ltrs. Approx.
2605 mm Approx.
Masses(Kg)
-
275kVrms
10500
250
i). With insulation(Kg)
13000
-
ii). Soaked in oil(Kg)
13500
-
c). Magnetic Shield/Core
25000Kg Approx.(yoke)+ 12500Kg Apporx.
(magnetic disc)
i). CRGO Laminations(Kg)
-
ii). Supporting frame work(Kg)
3500 Kg Approx
-
d). Magnetic Shield/Core & Winding package(Kg)
-
e). Tank, fittings and accessories(Kg)
36000 kg Approx.
-
f). Oil(Kg)
37000 kg Approx.
-
g).Total weight (as erected) (Kg)
52000Kg
approx.(core+winding+insulation+supporting
frame work)
125000 kg Approx. (with oil)
31
Approximate quantity of oil required for first filling- Ltrs.
32
Approximate overall dimensions of Shunt reactor alongwith
radiators as erected at site (mm)
41,500 ltrs Approx.
a) Length(mm)
13000 mm Approx.
-
b) Breadth(mm)
9000 mm Approx.
-
c) Height(mm)
8500 mm Approx.
33
Dispatch details
a) Approximate mass of heaviest package (kg)
-
80000 kg Approx (Dry Air Filled)
b) Approximate dimensions of largest package
i). Length(mm)
7000 mm Approx.
-
ii). Breadth(mm)
3500 mm Approx.
-
iii). Height(mm)
3800 mm Approx.
15
Purchase Order No. 1713/PNGS-689
Dated 01.10.2013
Annexure-B3
SCHEDULE OF GUARANTEED CHARACTERISTICS OF NEW TRANSFORMER OIL(IN DRUMS)
Sr.
No.
Characteristics
Requirement
The oil shall be clear, transparent and free
from suspended matter or sediment.
1
Appearance
2
3
4
5
6
Density at 29.50C (Max.)
Kinematic Viscosity at 270C (Max.)
Interfacial tension at 270C (Min.)
Flash point, Pensky Marten (closed) (Min.)
7
-
i. Total acidity) (Max.)
ii. Inorganic acidity/alkalinity
Corrosive sulphur (in terms of classification of
copper strip)
Pour point (Max.)
8
0.89 g/cm3
27 CST
0.04 N/M
1400C
-60C
0.03 mg KOH/g
Nil
Non-corrosive
Electric strength (breakdown voltage) (Min.)
9
30KV (rms). If this value is not attained, the
oil shall be filtered
a) New untreated oil
10
11
12
13
14
b) After filtered
Dielectric dissipation factor (tan delta) at 90
degree C (Max.)
60KV (rms)(Min.)
0.002
Specific resistance (resistivity)
a) At 900C (Min.)
b) At 270C (Min.)
Oxidation stability(After oxidation for 164
hours@1000C
a) Neutralization value after oxidation (Max.)
b) Total sludge, after oxidation (Max.)
Presence of oxidation inhibitor
Water content (Max.)
35x1012 Ohm- cm
1500x1012 Ohm- cm
0.40 mg KOH/g
0.10 percent by weight
Absent
50 ppm
Ageing characteristics after accelerated ageing (open beaker method with copper catalyst
i.e.96hours at 1150C)
15
16
-
(a) Specific resistance
i) at 270C (min)
(ii) at 900C(min)
(b) Tan delta at 900C( max)
(c ) Total Acidity( max)
(d) Total sludge( max)
PNA contents
2.5x1012 Ohm-cm
0.2x1012 Ohm-cm
0.2
0.05mg KOH/g
0.05% by weight
i). P
ii). N
iii). A
<46%
>46%
<8%
16
Purchase Order No. 1713/PNGS-689
Dated 01.10.2013
B) CHARACTERSTICS OF OIL IN THE SHUNT REACTOR
The important characteristics of the transformer oil after it is filled in the shunt reactor (after 3
months & within one year of filling) shall be as follows:
Permissible limit (IS-1866) (Satisfactory
for use)
60KV (Minimum, Prior to energisation) After
energisation >50KV
Characteristics
1
Electric Strength (Break down Voltage)
2
5
6
Water content (PPM)
Specific Resistance (Resistivity) ohm-cm at 90
deg.C
Dielectric dissipation factor (Tan Delta) at 90
deg.C
Neutralization value (Total acidity)
Sediment and or perceptible sludge
0.3mg KOH/gm (Max.)
Absent
7
Flash point
15 deg. C (Max.) decrease from initial value
8
Interfacial tension at 27 deg.C
0.015 N/m (Min.)
3
4
17
<20
0.1X1012Ohm-Cm (Min.)
0.2(Max.)
Purchase Order No. 1713/PNGS-689
Dated 01.10.2013
ANNEXURE-C
(SALIENT FEATURE OF BBMB SPECIFICATION NO./BBMB/SS-I/432)
1.
GENERAL :
The equipment required is 1 No. three phase 80MVAR 420KV shunt Reactor
Substation, BBMB, Panipat.
for 400KV
2.
SCOPE :
a)
This specification provides the design, manufacturing, testing, assembly at manufacturers
works before despatch, supply and delivery FOR destination of Shunt Reactor alongwith
all allied equipment.
b)
The Shunt Reactor to be offered shall be complete in all respects including fixtures if any,
to be embedded in the concrete at site for holding the equipment in correct position.
c)
Existing NGR shall be used for Neutral Grounding. The name plate data of existing NGR
is enclosed as Annexure-VII.
d)
Any item not specifically stated in these specifications, but considered necessary for
troubled free operation of the shunt Reactor or accessories thereof shall be deemed to be
covered in the bid prices unless specifically stated otherwise.
3.
CODES & STANDARDS:
All Standards, specifications and codes of practice referred to herein shall be the latest editions
including all applicable official amendments & revisions as on date of opening of bid. The
following standards & codes and also those mentioned else where in these specifications shall be
applicable: Sr.
Description
IS No.
No.
i)
Reactor Specification
IS:5553 ( Part I & II)
Amended upto date
ii)
Shunt Reactor (specification as referred in IS 5553)
IS:2026-1977
iii)
High voltage porcelain bushings
IS:2099-1973
iv)
New Insulating oil for shunt Reactor and switchgear
IS:335-1972
v)
Gas operated relays
IS:3637-1966
vi)
Marking, main connection and wiring
IS:375-1963
vii)
PVC Cables
IS:1554-1964
viii)
Electric power connectors
IS:5561-1970
ix).
Insulating materials for electrical machinery
IS:1271-1958
Ix
Current Shunt Reactor
IS:2705-1964
4.
SERVICE CONDITIONS :
A) REFERENCE AMBIENT TEMPERATURE
The reference ambient temperatures for which the shunt Reactor are to be designed are as
under: i)
Maximum ambient air temp.
500C
ii)
Maximum daily average ambient temp:
400C
iii)
Maximum yearly weighted average ambient temp.
320C
(Reference ambient temp.)
Purchase Order No. 1713/PNGS-689
iv)
Dated 01.10.2013
Minimum ambient air temperature
B) CLIMATIC CONDITIONS:
i)
Maximum relative humidity
ii)
Yearly Average number of thunder storms
iii)
Average no. of rainy days per annum
iv)
Average number of days of fog per annum
v)
Average no. of hailstorms days per annum
vi)
Number of months during which tropical monsoon
conditions prevail.
vii)
Average number of dust storms days per annum
viii) Average annual rainfall
ix)
Maximum wind pressure:
-50C
100%
60
60days
70days
5 days
3 months
40
Above 76cm.
150Kg/sq.m
C) ALTITUDE
Altitude above M.S level not exceeding 1000 mtrs.
D) Sites are susceptible to earthquakes. The earthquakes forces for which equipment is to
be designed: i) Horizontal direction
0.30g
ii) Vertical direction
0.15g
5.
LIMITS OF TEMPERATURE RISE:
(a)
With the above service conditions, given in caluse-4 , Shunt reactor shall be capable of
operating continuously at their normal rating without exceeding following temperature rises over
maximum ambient temperature of 50 0C.
i)
50 deg. C in Top oil by thermometer
ii)
55 deg. C in winding by resistance
iii)
Temp. of hot spot in winding not to exceed 98 deg.C. when calculated at maximum
annual weighted average temp. of 32 deg. C
(b)
The limits of temperature rise mentioned above and over load capacity as per IEC 354
(1993) will have to be satisfied by the manufacturer by carrying out the heat run test. This test
shall be carried out by feeding the following losses:“1.1 times the total losses at 75 deg. C ”
6.
FREQUENCY
The shunt Reactor shall be suitable for continuous operation with a frequency variation of + 3%
from normal 50 cycles per second without exceeding the specified temperature rise.
7.
SUPRESSION OF HARMONICS
The shunt Reactor shall be designed with particular attention to suppression of harmonic
voltages especially the 3rd and 5th. Percentage of harmonics at normal voltage and at maximum
system voltage shall be stated in the tender. The crest value of the third harmonic component in
phase current (Crest value of 3rd harmonic when reactor energized at rated voltage with
sinusoidal wave form) not to exceed 3% of the crest value of the fundamental.
Purchase Order No. 1713/PNGS-689
8.
Dated 01.10.2013
DESIGN AND CONSTRUCTION:
(a) The shunt reactor shall be of either gapped core type or magnetically shielded air core
type construction .The reactor shall be outdoor type having single tank construction. The
420KV reactor shall be designed for continuous operation at the highest system voltage
of 420KV frequency 50Hz. Insulation material to be used for windings shall be class-A
of IS: 1271-1958.
(b) The shunt reactor shall be designed, manufactured and tested in accordance with best
international engineering practices under strict quality control to meet the requirement
stipulated in the technical specification. Adequate safety margin with respect to thermal,
mechanical and electrical stress etc. shall be maintained during design, selection of raw
material, manufacturing process etc. so that the reactor provide long life with least
maintenance.
(c) All materials used in the manufacture of the shunt reactor shall be of the best quality of
their respective kind, obtainable in the market and shall conform to relevant Indian
Standards. The design of shunt reactor and properties of the material used should be such
so as to reduce to the minimum, the risk of development of acidity in oil.
(d) Corresponding parts, liable for replacement shall be interchangeable.
(e) All outdoor apparatus, including bushing insulators with their mountings shall be
designed so as to avoid pockets, in which water can collect. Means shall be provided for
easy Lubrication of all bearings and where necessary of any mechanism or moving part
that is not oil immersed.
9.1 CORE:(a) The Shunt Reactor shall be either gapped core type or magnetically shielded air core type
construction. The bidder shall describe in details (with calculation and reference) the
merits and demerits of the type offered.
(b) In case gapped core construction the following requirements are stipulated.
i) The core shall be constructed from high grade, non-ageing, cold rolled, grain
oriented silicon steel laminations of prime quality only.
ii) The design of the magnetic circuit shall be such as to avoid static discharges,
development of short circuit paths within itself or to the earthed clamping structure
and production of flux components at right angles to the plane of laminations which
may cause total hearing.
iii) The insulation of core to bolts and core to clamp plates shall be able to withstand a
voltage of 2kV rms for 1 minute.
iv) Cores and windings shall be capable of withstanding shocks during transport,
installation and services. Adequate provisions shall be made to present movement of
cure and winding relative to tank during these conditions.
v) The supporting frame work of the core shall be so designed as to avoid presence of
pockets which would prevent complete emptying of the tank through drain valve.
The design of the core assembly shall be such that it will not cause trapping of air
during oil fillings.
vi) All steel sections used for supporting the core shall be thoroughly sand blasted after
cutting, drilling and welding.
vii) When bell type tank construction is offered suitable projecting guides shall be
provided on core assembly to facilitate removal of tank.
(c) In case or core-less construction there shall be:
i) A magnetic shield around the coreless coils.
Purchase Order No. 1713/PNGS-689
Dated 01.10.2013
ii) Nonmagnetic material sheets shall form the central core to minimize the vibrations.
9.2 WINDINGS:9.2.1 The manufacturer shall ensure that windings of the reactor are made in dust proof and
conditioned atmosphere.
9.2.2 The conductor used for the windings shall be of electrolytic grade copper, free from
scales & burrs.
9.2.3 The windings shall be made such that all coil assemblies of identical voltage ratings shall
be interchangeable and field repairs to the windings can be made readily without special
equipment. The coils shall be supported between adjacent sections by insulating spacers
and barriers. The overall arrangement of the windings shall be such as to ensure free
circulation of oil and to reduce hot spots to the minimum.
9.2.4 Coil shall be made up, shaped and braced to provide for expansion and contraction due to
temperature changes.
9.2.5 Special attention shall be given in design to improve the impulse characteristics of the
windings so that the initial impulse spatial distribution is as close to the final linear spatial
voltage distribution as possible. The insulation of the windings shall be provided keeping
also in view the surge response of the reactor winding.
9.2.6 The out of balance short circuit forces in the reactor should be kept to the minimum. The
windings shall be clamped securely in place and duly braced with all leads to the terminal
board and bushings tightly supported to prevent any displacement or deformation during
transport and normal operation and to avoid any damage during short circuits. All
threaded connections shall be provided with locking facilities.
9.2.7 The insulation of the windings shall be properly treated to ensure long life and suitably
impregnated to develop full electrical strength. All materials used in insulation and
assembly of the winding shall be insoluble, Non catalytic and chemically inactive to the
hot mineral oil and shall not soften or otherwise be adversely affected under the operating
conditions.
9.3 INSULATION LEVELS
9.3.1 The insulating material to be used, shall be of Class-“A” as specified in the latest edition
of IS: 1271.
9.3.2 The dielectric strength of windings insulation and of the bushings shall conform to values
given in IS: 2026/1981 Part-III amended up to date except for the changes made in this
specification.
9.3.3 The following impulse test and power frequency test voltage must be offered for
80MVAR, 50Hz single phase 420KV shunt reactor.
Rated
1.2/50
μs Switching
One minute PF withstand voltage
system
positive
Surge with
voltage lighting
stand
Line end
Neutral end
(KV)
impulse
voltage
as
(KV)
(KV)
withstand
per IS:2026
voltage of line part-III(KV
end
(KV peak)
peak)
420
1300
1050
Commensurate
with
230KV
Partial
discharge
Measurement
as
per
IS:2026 (Part-III)
Purchase Order No. 1713/PNGS-689
Dated 01.10.2013
The provisions of note under clause 5.4 IS: 2026 (Part-III)-1981 should be kept in view
while offering this parameter. The star connected windings of the shunt reactor may have graded
insulation for system voltage 66KV and above.
9.4 Special Features:9.4.1 Shunt Reactor shall be connected to the 400KV transmission system for reactive
load compensation and it shall be capable of controlling the dynamic over voltage
occurring in the system due to load rejection.
9.4.2 Shunt Reactor shall be capable of operating continuously at a voltage 5% higher
than its rated voltage without injurious heating.
9.4.3 Temperature rise shall be guaranteed when reactor is operating at 420KV.
9.4.4 The 420KV shunt Reactor shall have guaranteed total losses not exceeding 0.5% of
rated MVAR at 420KV.
9.4.5 The Reactor shall be subjected to switching surge over voltage upto 2.5p.u. and
temporary over voltage for few cycles, of the order of 2.3p.u. , followed by power
frequency over voltage up to 1.5 p.u. The Reactor must withstand the stress due to
above transient dynamic conditions which may cause additional current flow as a
result of changed saturation characteristics/slope beyond 1.5p.u.
9.4.6 The equipment offered shall perform satisfactorily under both the power frequency
and switching. Such over voltages shall not cause any damage to the winding and
withstand Thermal and mechanical effects of short circuit at the terminals for a
duration of 2 seconds without any damage or distortion.
9.4.7 Vibration and stress level at rated voltage & frequency:Not more than 200microns peak to peak, Average vibration shall not exceed 60microns
peak to peak. Tank stresses shall not exceed 2.0Kg/mm2 at any point on the tank.
Maximum Partial Discharge(PD) Level at 1.5pu:- 100pico columb
9.4.8 Impedance & Magnetic Characteristics:420KV shunt reactor shall be fixed impedance type, having constant impedance upto 1.5
P.u. voltage. The impedance shall be accurately balanced in the three phases of the
reactor.
The bidder shall indicate guaranteed impedance which shall include positive and zero
sequence impedance on the same KVA and the tolerance on the impedance.
The bidder shall furnish alongwith his bid, the magnetization characteristics of 420KV
reactor for impressed voltage upto 2.5pu.
9.5 TANK
9.5.1 The reactor tank and its cover shall be fabricated from good commercial grace low
carbon steel of tested quality and have adequate thickness. Reactor tank shall be of
welded construction & stiffeners provided where necessary. All seems shall be welded at
factory and where ever practicable these shall be double welded. The reactor tank shall be
designed to withstand without permanent distortation.
i) filling under vacuum
ii) continuous internal gas pressure of 35 KN/M2 with oil at operating level
iii) Mechanical shocks during transportation.
The tank cover shall be bolted to the tank.
Purchase Order No. 1713/PNGS-689
9.5.2
Dated 01.10.2013
At least two manholes, fitted with bolted covers, suitably positioned and of sufficient size
shall be provided on the tank to afford easy access to the lower ends of the bushings and
winding leads etc. The tank cover shall also be fitted with suitable pockets for oil and
winding temperature indicators so that thermometer bulb or resistance coil shall be
capable of being removed without lowering oil level in the tank.
9.5.3 All bolted connections with the tank shall be provided with suitable oil tight gaskets. The
design of joints which may have be opened often in the course of operation shall permit
their being made oil tight easily. Where necessary, means shall be provided to prevent
over compression of the gaskets. All gaskets used for making oil tight joints shall be of
proven material Synthetic rubber, resistant to hot oil and ageing, may be used as a
bonding medium for cork and similar material.
9.5.4 The tank design should be such that water does not collect on the cover, on the stiffeners
and near gasket joints. Suitable guides shall be provided for positioning the various parts
during assembly or dismantling. Adequate space shall be provided between the
shields/core and windings and bottom of the tank for collection of any sediment.
9.5.5 Lifting eyes or lugs shall be provided on all parts of the reactor requiring independent
handling during assembly or dismantling. The reactor tank shall be provided with lifting
lugs, and bollards properly secured to the side of the tank so that complete reactor filled
with oil can be lifted by crane.
9.5.6 All studs, bolts and nuts used in connection with tank fittings shall be galvanized.
Two suitably paced grounding terminals shall be provided on the tank for making
duplicate connections with switchyard ground mat having risers of M.S. flat (size
100x12mm or so).
9.5.7 As far as possible, the reactor tank shall be designed without pockets where in gas may
collect. Where pockets cannot be avoided, pipes shall be provided to vent the gas into the
main expansion pipe leading to the gas actuated relay. In addition, air release plugs shall
be provided at all high points or pockets where air or gas is likely to be trapped.
9.5.8 Tank shields shall be such that no magnetic field shall exist outside the tank. They shall
be of magnetically permeable material. If required impermeable shields shall be provided
at the coil ends. Tank shields shall not resonate when excited at the natural frequency of
the Reactor.
9.6 COOLING
9.6.1 The 420KV reactor shall be equipped with two identical radiator banks mounted on their
own foundation, separately from the reactor tank and each connected to it by suitable
expansion joint one at the top and the other at the bottom. All pipes, flanged connections
with gaskets, valves, flow indicators etc. shall be provided as required to complete the oil
natural, air natural (ONAN) type of cooling. The two radiator banks combined shall be
capable of dissipating the total losses of the reactor at their highest equipment voltage or
the rated currents, as the case may be.
9.6.2 Each radiator bank shall comprise of number of units and shall be provided with about
10% additional units as spare with a minimum of one unit to cater for regular
maintenance of the radiator banks without the necessity of long shutdowns. Any leaking
unit could be shut locally without causing limitations of the cooling system thereby
avoiding necessity of immediate repair and replacement which could be undertaken at
convenience. Radiators shall be suitable for additional cooling by providing pedestal
mounted fans.
Purchase Order No. 1713/PNGS-689
9.6.3
Dated 01.10.2013
All radiator units to be connected to the oil headers at the top and bottom shall have
indicating type shut off valves suitable for operation from ground level even with the
reactor energized. Indicating type shut off valves shall also be provided at the main
connections between tank and headers. Air release devices shall be provided at the top of
headers and the top of radiator units. The radiator units shall have their individual drain
valves and lifting eye.
9.7 OIL PRESERVING EQUIPMENT:9.7.1 Oil preserving equipment shall of conservator/ expansion tank type having silica gel
breather with oil sealing. A diaphragm (Air Cell) for separating the oil and air interface
shall also be provided. No chemical type online filter shall be used as oil preserving
equipment.
9.7.2 The design and material of diaphragm shall be selected with a view to render it suitable
for withstanding daily variations in the volume of oil which are likely to take place under
the operating conditions and to have long life. The tenderer shall furnish complete details
of the construction and fixing arrangement of the diaphragm/
9.7.3 The conservator tank shall have an oil filling hole with cap or valve and drawn valve
(size 25mm).
9.7.4 A magnetic type oil level gauge with low oil level alarm contacts and dial showing
minimum, maximum and normal oil level shall be provided in the conservator at a
convenient height to be read from ground level. Between the highest and lowest oil
levels, the conservator shall have a capacity of not less than 7½% of the total cold oil
volume in the reactor and radiators to take care of the expansion requirements between
extreme limits of temperature.
9.7.5 The oil level in the conservator/ expansion joint shall not be below flanges of the
bushings. The oil connection from the reactor to the conservator shall be arranged at
rising angle of 30 to 70 to the horizontal and shall consist of oil and gas operated relay.
The conservator if mounted on the reactor, tank, shall have bolted (not welded or riveted)
connection so that it can be conveniently removed when so required. Moreover
conservator position shall be such that it does not foul with and has adequate clearance
form the electrical connections and other live parts.
9.7.6 Each conservator shall be fitted with a double compartment breather with oil seal in
which silicagel is the dehydrating agent and designed so that:a) The passage of air is through the silicagel.
b) The external atmosphere is not continually in contact with the silicagel.
c) The moisture absorption is indicated by a change in colour of the tinted crystals and can
be daily observed from distance.
d) All breathers shall be mounted at approximately 1400mm above ground level.
e) The breather should be made of superior quality see through material and should consist
of two compartments placed in series (Capacity 2x100%).
9.8 INSULATING OIL
9.8.1 Sufficient insulating oil of Nepthenic type (made from Nepthenic crude) conforming to
IS:335 shall be supplied for first filling in the shunt reactor at site.
9.8.2 10% extra oil of the total quantity of oil shall also be supplied along with the shunt
Reactor
Purchase Order No. 1713/PNGS-689
Dated 01.10.2013
9.8.3 In case the shunt reactor is to be supplied gas filled, particular attention shall be paid to
deliver the oil at site free from moisture and of uniform quality through out in nonreturnable epoxy coated steel drums.
9.8.4 The quantity of oil for first filling of shunt reactor shall be stated in tender, along with
trademark of the oil to be supplied.
9.8.5 Use of inhibitors in oil shall not be resorted to.
9.9 BUSHING INSULATORS AND TERMINALS
9.9.1 Busing For three phase 420KV, 80MVAR shunt reactor shall be fitted with bushing
insulators as follows:a) HV-Bushings
3Nos. 420KV Class, OIP condenser bushing 800A rating
b) Neutral -Bushings 3Nos. 145KV Class, OIP condenser bushing of 800A rating.
Note:i)
Bushings for 66KV& above shall be filled with shunt Reactor oil and there shall not be
communication with the oil in the shunt Reactor. An oil gauge, preferably of prismatic
type shall be provided to indicate that correct level is maintained.
ii)
The electrical and mechanical characteristics of bushings shall be in accordance with IS:
2099 and IS: 3347.
iii) the 420KV bushings shall be suitable for and be provided with terminal connectors to
receive bare ACSR Morkulla Conductor (dia 31.68 mm) in twin bundle formation with a
sub conductor spacing of 300-540 mm. 420KV bushings shall be provided with shield
ring cylinder etc. so as to be corona free upto 320KV rms voltage to ground with the
terminal connectors fitted.
iv) All porcelain used in bushings shall be of the wet process homogeneous, impervious to
moisture, free from cavities or other flaws and thoroughly vitrified and smoothly glazed.
The glazing shall be uniform in colour (brown) and free from blisters, burns and other
defects.
v)
The bushings and fittings shall be unaffected by atmospheric conditions e.g. weather,
fumes, ozone’s, acids, alkalis, dust and rapid changes of air temperature. Stresses due to
expansion and contraction in any part of the bushing insulator shall not lead to the
development of defects. The bushings shall have high factors of safety against earthquake
and other loads.
vi) Porcelain shall not engage directly with hard metal and where necessary, gasket shall be
interposed between porcelain and the fittings. All porcelain clamping surface in contact
with gasket shall be accurately ground and be free from glaze.
vii) Fixing material/ cement shall not enter into chemical action with the metal parts or cause
fracture by expansion in service. Cement thickness shall be as small as possible and
proper care shall be taken to centre and locate individual parts correctly during
cementing.
viii) Oil communicating type and re-entrant type bushings shall not be acceptable.
ix) In the oil filled condenser type bushings. Special precautions shall be taken to exclude
moisture from paper insulation during manufacture as well as during transport and
erection. An oil level indicator and convenient means for sampling and drainage of oil
shall be provided on all 420KV bushings.
x)
Each porcelain bushing shall have marked upon it the manufacturer’s name and such
other marks as may be required to assist in the selection of representative batches for the
purposes of sample tests.
Purchase Order No. 1713/PNGS-689
Dated 01.10.2013
xi)
All ferrous parts, clamps and fittings made of steel or malleable iron shall be galvanized.
The terminal connectors shall be of aluminum alloy. Bimetallic strips as required to avoid
to electrolytic action with the material of bushing stems, shall also be supplied with the
connectors.
xii) All bushings shall be detachable and replaceable without disturbing internal connections
and removing the reactor cover, 145KV bushings for the neutral ends of the 420KV shunt
reactor winding shall be brought out on one side of the reactor tank so as to facilitate
making of connections for the neutral points with the neutral earthing reactor.
xiii) The overall reactor insulation shall be so coordinated that flashover if any, shall occur
outside the tank.
xiv) All terminals shall be distinctly marked as per IS:2026-1977 and coloured (Red, yellow
and Blue) for phase voltage and phase rotation of the windings in accordance with the
diagram of connections supplied with the reactor.
xv) All porcelain insulators shall be designed to facilitate natural cleaning.
xvi) Condenser bushing oil, conforming to IS:335 shall be separate from that in the shunt
Reactor. The turret provided on the shunt Reactor tank for bolting the intermediate
flanges shrunk on the condenser bushings shall be connected to the oil conservator vessel
by a pipe line.
xvii) The bushings shall have high factor of safety against leakage to ground and shall be so
located as to provide adequate electrical clearances between bushings of various voltages
and between bushings and grounded parts.
xviii) Bushings of identical voltage shall be interchangeable. The insulating class of the high
voltage neutral bushing shall be properly coordinated with the insulation class of neutral
of the high voltage winding.
xix) Clamps and fittings made of steel or malleable iron shall be galvanized.
xx) Oil conservator tanks for shunt Reactor, bushing shall be capable to take care of
expansion up to 115oC. If the oil temperature rise beyond 1150 C, what is the release
provided, be specified.
xxi) Provision of BCT having variable tap is required for compensation to arrive at correct
hot spot temperature to be indicated through WTI.
xxii) Provision of suitable test point in the condenser bushing for measurement of tan delta and
capacitance may be made
10.
NITROGEN INJECTION FIRE PROTECTION CUM EXTINGUISHING SYSTEM:The power shunt Reactor shall be provided with complete Nitrogen injection Fire Protection cum
extinguish system as per Annexure-E.
11.
ELECTRICAL CLEARANCES:
The exposed like parts of the shunt Reactor shall be placed high enough above ground level and
shall provide minimum open air clearances as follows:Between phases (mm)
Between live parts
Live parts from
and grounded tank/
ground mm (min.)
grounded objects like
radiators. mm
i) 420KV 4000
3500
6500
ii) 145KV 1430
1270
4000
Purchase Order No. 1713/PNGS-689
Dated 01.10.2013
12.
TOLERANCES
Various tolerances on technical parameter shall be as under:I. Impedance:Maximum tolerances allowed on impedances s shall be as per IS:5553 (Latest Edition)
II Losses:No positive tolerance shall be allowed on guaranteed losses, at 750 C temp.
III. Temperature Rise Test
No positive tolerance shall be allowed on temperature rise of oil, winding, winding
temperature gradient and hot spot temperature than the guaranteed values.
IV Weights
No negative tolerance shall be allowed on weight of copper, weight of CRGO & weight
of oil etc.
13.
ANTI EARTH QUAKE CLAMPING DEVICE
To prevent shunt Reactor movement during earthquake, a clamping, device shall be
provided for fixing the shunt Reactor to the foundations. The supplier shall supply
necessary bolts for embedding in the concrete. The arrangement shall be such that the
shunt Reactor can be fixed to or unfastened from these bolts as desired. The fixing of the
shunt Reactor to the foundation shall be designed to withstand seismic events to the
extents that a static coefficient of 0.3g applied in the direction of least resistance to that of
loading will not cause the shunt Reactor or clamping device as well as bolts to be
overstressed.
14.
EARTHING TERMINALS
Two earthling pads suitable for connecting 100x12 mm mild steel flat shall be provided
at positions close to the two diagonally opposite bottom corners of tank. These
grounding terminals shall be suitable for bolted connection. Two earthling terminals
shall also be provided each on marshalling box and any other equipment mounted
separately.
15.
UNDER CARRIAGE
The reactor shall be supported on strong structural steel base fitted with forged steel or
cast steel single flanged bidirectional wheels suitable for moving the complete reactor
filled with oil, on rail track. The number and spacing of the wheels shall be specified on a
drawing to be submitted with the bid. Means shall be provided for locking the swivel
movements in position, parallel to and at right angles to the longitudinal axis of the tank
so as to permit movement of the reactor in both directions.
Four jacking pads shall be provided to enable the direction of the wheels being changed
through 900when the reactor is lifted on jacks. Track gauge for the movement of shunt
reactor is longitudinal and transverse direction shall be respectively 1676mm & 1676mm
between inside edges of rails.
Pulling eyes shall be provided to facilitate haulage of the reactor and they shall be
suitably braced in a vertical direction so that bending does not occur when the pull has a
vertical component.
The shape and size of the under carriage shall be such as to permit the complete reactor
tank to be moved in without any hindrance, after all foundations have been cast and are
ready with their embodiments/fixtures in position. Likewise, it should be possible for the
Purchase Order No. 1713/PNGS-689
Dated 01.10.2013
complete reactor tank to be pulled out from its permanent position along rail track
without any foundation being broken or the embedment/fixtures there in being cut.
16.
CENTRE OF GRAVITY
The centre of gravity of the assembled reactor with oil as well as without oil shall be low
and as near to the vertical centre line as possible. The location of centre of gravity either
with or without oil, shall be shown in the outline drawings.
17.
PIPING , FLANGES ,JOINTS GASKETS AND VALVES
All connecting pipes, valves or such other devices shall be provided with flanges having
machined surface. Flange and threads for pipes, valves etc. shall comply with the
requirement of IS:3639 and 554 (latest).
Labels permanently fixed, shall be provided to indicate the purpose of each valve. A
valve diagram plate shall also be mounted on the reactor tank giving the location of each
valves release cocks, plugs etc. This plate shall also worth the operator to refer
maintenance instructions before applying vacuum for drying.
Drain valve/ plugs shall be provided in such a minter that various sections of all pipe
work can be drained independently.
All valve sizes upto and including 100 mm shall be of gun metal or of cast steel. Larger
valves may be of gun metal or may have case iron bodies with gun metal fittings.
They shall be of full way type with internal screw and shall open when turned counter
clockwise facing the hand wheel.
Means shall be provided for pad locking the valves in the open and closed positions
where specified. The provisions are not required on valves for the radiator units. All
valves shall be provided with blind companion flanges or with pipe plugs for protection.
BOLTS AND NUTS :
Steel bolts and nuts exposed to atmosphere shall have suitable finish like cadmium
plating or zinc coating.
All nuts, bolts and pins shall be locked in position with exception of those which may
require frequent operation. All bolts, nuts and washers in contact with non-ferrous parts,
which carry current, shall be phosphors bronze where the transfer of current is through
bolts.
If bolts and nuts are placed in such a way that they are inaccessible by means of ordinary
spanners, suitable special spanners shall be provided by the supplier.
18.
19.
SPARE PARTS :
The tenderer shall guarantee that they shall supply spare parts, whenever required by the
purchaser, during the lifetime of the equipment. In case the manufacturer goes out of
production of spare parts, he shall make available all the necessary drawings of spare
parts alongwith specifications of material at no extra cost of the purchaser, to enable
purchaser to arrange spares from other sources.
Specification, material grade, drawings etc. i.e. complete technical details of each spare
shall be furnished by the successful bidder.
Purchase Order No. 1713/PNGS-689
20.
Dated 01.10.2013
CLEANING AND PAINTING
Before applying antirust primary coat, all ungalvanised parts shall be completely cleaned
by approved methods and shall be free from rust, scale and grease, and the rough surfaces
of castings shall be filled.
The interior of reactor tanks and other oil filled chambers and internal structural steel
work shall be cleaned of all scales and rust by shot or sand blasting and given anti
correction treatment against any chances of rust. Painting material shall be heat resistant
and insoluble in oil.
Except for bolts, nuts and washers which shall be galvanized, all steel surfaces exposed to
weather, shall receive a minimum of these coats of paint overall.
The primary cost of zinc chromate shall be applied immediately after cleaning. The
second cost shall be of an oil and weather resistant paint and of a shade of colour easily
distinguishable from the primary and final coats and shall be applied, after the primary
coat has been touched to where necessary. The final coat shall be of gloss and oil/weather
resistant, not-fading battle-ship grey paint on the exterior and light yellow cream paint on
the interior surfaces having shades as per IS-5.
The bidder shall supply sufficient paint for two finishing coats to be given on the reactor
and other painted surfaces at site, after erection. Some quantity of paint for primary and
secondary coats shall also be supplied to tough up any damage to the paint work which
might be experienced during transport.
21.
MARSHALLING BOX
A sheet steel of minimum 3mm thickness vermin proof, well ventilated and weather
proof marshalling box of a suitable construction shall be provided for the shunt Reactor
auxiliary apparatus. Wiring upto marshalling box shall be with PVC/SWA, PVC copper
cable 1100 volts grade. The box shall have sloping roof.
The marshalling box shall accommodate the following equipment:
a) Temperature indicators for WTI & OTI
b) Terminal blocks and gland plates for incoming and outgoing cables and control/
protection equipment .
c) Control & protection equipment for cooling plant.
All the above equipment except (b) shall be mounted on panels and back of panel wiring
shall be used for inter-connection. The temperature indicators shall be so mounted that
the dials are not more than 1600 mm from the ground level and the door(s) of the
compartment(s) shall be provided with glazed window of adequate size.
To prevent internal condensation, an approved type of metal clad heater with thermostat
controlled by water tight single pole iron clad rotary switch mounted outside the box.
The ventilation louvers, suitably padded with felt, shall also be provided. The louvers
shall be provided with suitable felt pads to prevent ingress of dust.
Purchase Order No. 1713/PNGS-689
Dated 01.10.2013
All incoming cables shall enter the kiosk from the bottom and the gland plate shall not be
less than 450mm from the base of the box. The gland plate and associated compartment
shall be sealed in suitable manner to prevent the ingress of moisture from the cable
trench.
22.
CONTROL CONNECTION,INSTRUMENT WIRING, TERMINAL BOARDS & FUSES
All wiring connections, terminal blocks, fuses and links shall be suitable for tropical
atmosphere. Any wiring liable to be in contact with oil shall have oil resisting insulation.
There shall be no possibility of oil entering connection boxes used for cables and wiring.
When 415 volts connections are taken through junction boxes or marshalling boxes, they
shall be adequately screened and 415 volts danger notice must be affixed to the outside of
junction boxes or marshalling boxes. All wiring shall be in accordance with relevant ISS.
All wiring shall be with stranded copper of 1100 volts grade and size not less than 4.00
sq. mm. for CT leads and not less than 2.5 sq. mm. for other connections. All wiring
cables shall carry ISI mark / certified.
All wires on panels and all multi Magnetic Shield cables shall have ferrules which bear
the same number at both ends. The same ferrule number shall not be used on wires in
different circuits, on the same panel. Ferrules shall be of white insulating material and
shall be provided with glossy finish to prevent adhesion of dirt. They shall be clearly and
durably marked in black and shall not be affected by dampness or oil. Wiring shall in
general be accommodated on sides of the box and wires for each circuit shall be
separately grouped. Back of panel wiring shall be arranged so that access to the
connecting stems of relays and other apparatus is not impeded. ALL THE CABLES
AND CAPILIARY TUBES OF OTI & WTI ETC. ARE TO BE WIRED PROPERLY
ON CABLE TRAYS WITH THE HELP OF SUITABLE CLEATS UPTO THE
MARSHALLING BOX. The cables trays shall be kept minimum 1000mm away
from the tank body to avoid excessive heating of cables/ wires.
Wires shall not be jointed or tied between terminal points. Wherever possible all circuits
in which the voltage exceeds 125 volts, shall be kept physically separated from the
remaining wiring. The function of each circuit/equipment shall be marked on the
associated circuit/equipment.
.
Where apparatus is mounted on panels, all metal cases shall be separately earthed by
means of copper wire.
No live metal part shall be exposed at the back of terminal boards.
All fuses shall be of HRC cartridge type and fuses and links shall be labeled.
All wiring diagrams for control panels shall preferably be drawn as viewed from the
back.
The overall design of wiring shall be such that various wires and ends of the same wire
can be traced easily and there is convenience to access the terminations and ferrule
number shall be readable with convenience. Terminal blocks shall have 20% spare
terminals.
Purchase Order No. 1713/PNGS-689
23.
Dated 01.10.2013
DRYING OUT AND ERECTION
The shunt Reactor shall be dried out by an appropriate method at the manufacturer’s
works and so arranged for transportation and storage that it may be put into service
without further drying out at site. For any subsequent drying which may be necessary at
site the manufacturer shall give details of the method recommended for using the same.
The shunt Reactor shall be designed to withstand pressure and vacuum tests as specified
by CBIP specification for power and distribution shunt Reactor.
i) Vacuum as per CBIP manual applied to tank and cooling equipment when empty of
oil.
ii) Pressure as per CBIP applied to tank and cooling equipment when empty of oil.
iii) Pressure of 0.357Kg/cm2 to be applied at conservator on fully assembled shunt Reactor
when full of oil.
Clear instructions shall be given in the maintenance manual regarding special
precautionary measures which must be taken before applying the specified vacuum
treatments. The maximum vacuum which the complete shunt Reactor filled with oil, can
safely withstand without any special precautionary measures being taken shall also be
stated in the maintenance manual. The bushing shall be capable of withstanding vacuum
operation when drying the shunt Reactor.
24.
APPROVAL OF DESIGNS:
The successful tenderer shall finalize the design and furnish to the purchaser
following data complete with calculations and approval before starting the
manufacturing:i)
Minimum weight of bare copper along with weight of insulating material.
ii)
Weight of steel laminations.
iii)
Weight of Magnetic Shield/Core and windings.
iv)
Cross-section of Magnetic Shield/Core.
v)
Calculations for short circuit current & its duration.
vi)
Current density during short circuit.
vii)
Impedance voltage
Data/calculations not covered above and as specified under relevant standard
25.
DRAWINGS LITERATURE & INSTRUCTION MANUALS:
The tenderer shall submit with his tender, one set of dimensional drawings of the
equipment offered, along with illustrated and descriptive literature for scrutiny.
The successful bidders after the award of the contract shall supply four copies of the
following drawings within 45 days after the receipt of the purchase order, which will
describe the equipment in detail for approval by the Purchaser. Purchaser (i.e. Bhakra
Beas Management Board), Purchaser’s ref. No. (i.e. PO No. & Date, specification No.),
Rating of Shunt Reactor should invariably be specified on each drawing. If the drawings
are found to be deficient in any manner, the deficiency, so communicated, would be
rectified within next 20 days. The delay beyond 45 days in submission of drawings in the
first instance and beyond 20 days in resubmission of drawings (after removal of
Purchase Order No. 1713/PNGS-689
Dated 01.10.2013
deficiencies, if pointed out) would count towards levy of penalty as per Clause 5 of
Section- IB.
Bill of material in respect of each drawing must indicate the quantity, make and
specification of each item. Approval of purchaser of Contractor’s drawings shall not be
held to relieve the contractor of any part of his obligation to meet all the requirements of
the specifications or of the responsibility for the correctness of
the
drawings
&
design.
i)
Detailed outline General Arrangement drawing showing plan, front elevation, side
elevation with all fittings and accessories etc. The following information must be
specifically included on this drawing.
a)
Make of Shunt Reactor oil.
b)
Electrical clearances, minimum as well as actual.
c)
The no. of radiator headers, number of radiator elements width, thickness of sheet &
height of each radiator.
d)
A small sketch showing Untanking details.
e)
Thickness of Shunt Reactor tank bottom, side & top plates.
f)
Type, shade, shade No. and thickness of Shunt Reactor paint.
g)
Roller, rail gauge sketch.
h)
Weight of oil, bare copper weight, windings, core, Untanking mass, transportation mass
and dimensions etc.
ii)
Detailed drawing of bushings, showing plan elevation, terminal details, mounting details,
make and type number, incorporating electrical characteristics, description of various
parts, total creep age/protected creep age distance, weight of oil, total weight of bushing,
dimensions, short time rating etc.
iii)
Transportation sketch showing dimensions and weights of the heaviest package & the
shipping arrangements of the Shunt Reactor.
iv)
Rating and diagram plate.
Bare copper weight & weight of core should be invariably specified on the rating
plate.
v)
Detailed structural drawings for the Shunt Reactor tank, under carriage, conservator,
radiators, etc.
vi)
Dimensional drawings of multi bolt bimetallic connectors for line ends and flexible
connectors for the neutral ends.
vii) Wiring diagram/cabling details of showing connections with OTI, WTI, MOG etc.
viii)
MAGNETIC SHIELD/CORE DRAWINGS:
a) Magnetic shield/Core dimensional drawing showing frame size(Elevation plan), limb
and yoke sections
b) Make of CRGO and Sub- Supplier name for cutting of CRGO shall be given in the
drawing.
ix)
WINDING DRAWING:
a) Winding conductor cross sections alongwith calculations for current density.
b) Make of copper used and insulating paper/ press board used shall be given in the
drawing.
c) Name of the vendor for processing of copper shall be given.
x)
Roller stopper arrangement drawing.
Purchase Order No. 1713/PNGS-689
xi).
Dated 01.10.2013
INSTRUCTION MANUALS
The successful tenderer shall be required to supply 3 sets of instruction manuals of Shunt
Reactor, each properly bound in hard cover. Each set shall consist of the following.
a)
b)
All drawings listed above.
Erection, operation & maintenance manual for Shunt Reactor and pamphlets for all
spare parts e.g. OTI, WTI, MOG, Buchholz relay, silicagel and breather/pressure
relief valve etc.
c)
Instructions for dehydration, if any.
d) Precautions prior to vacuum application, if any.
e) Any other information/data/documents/instructions considered necessary by the
manufacturer for efficient functioning of the Shunt Reactor.
Note:(a) Any manufacturing done prior to approval of drawings, certification of raw
material shall be at firm’s risk , purchaser reserve the right to make any changes
in design/ raw material etc. which shall be necessary to make the equipment
conform to the stated provisions of the specification without any additional cost to
purchaser. Approval of drawings by the purchaser will not relieve the firm of any
part of the contract obligation to meet all the requirement of the specification or
responsibility for the correctness of the firm’s design.
(b). Supplier shall also be required to supply one set of drawings listed above on
superior quality tracing paper/cloth suitable for reproduction.
26.
INSPECTION AND TESTING
The successful tenderer shall submit complete set of drawings as already brought out in
this specification within 45 days from the receipt of purchase order. Along with the
drawings the suppliers will furnish the following intimation:a) Schedule of manufacturing of the shunt Reactor.
b) Name of the Vendor from whom cutting of CRGO & Processing of copper shall be made,
in case the facilities do not exist at the supplier works.
c) Name of the Sub-Supplier for manufacturing of tank.
d) The quality assurance programme of the vendors/sub-suppliers.
e) Make of the CRGO, Copper, Insulating Paper, Press Board, Tank Steel etc.
Purchaser can inspect the raw material, manufacturing process at sub-supplier works for
which advance intimation of manufacturing activities shall be given.
A)
STAGE INSPECTION
Stage inspection of built up Magnetic Shield/Core (in horizontal/vertical position),
windings, tank and radiators shall be carried out as detailed below:a) MAGNETIC SHIELD/CORE:
Measurement of cross section of Magnetic Shield/Core & silicon steel weight.
b) WINDINGS:i) Measurement of Cross sectional area for current density.
ii) The measurement of weight of bare copper/covered copper by Resistance
Method, ID/OD method, Per unit length methods.
iii) Tests may be carried out on sample of copper for assessing its quality.
Purchase Order No. 1713/PNGS-689
Dated 01.10.2013
c) TANK:
i) Vacuum Test as per CBIP manual.
ii) Pressure Test as per CBIP manual.
iii) DP Test.
iv) Peel-off Test (During final inspection).
Note:- For permissible deflection as per CBIP for pressure and vacuum test,
Horizontal Width shall be taken between nearest stiffeners.
d) RADIATORS:
Radiator shall be routine/type tested at sub-supplier works as per relevant
standards.
B)
C)
TYPE TESTS AS PER IS:5553 Pt.II-1970
a) Temperature rise with2x50% Radiators.
b) Dielectric Tests: The following dielectric tests shall be carried out.
i) Chopped lightning impulse voltage withstand test on the line terminals.
ii) Switching impulse voltage withstand test on the line terminals.
iii) Separate source power frequency voltage withstand test on neutral terminal.
iv) Induced over voltage test with partial discharge measurement.
ROUTINE TESTS & SPECIAL TESTS
As per IS:5553 Pt.II-1970
D)
ADDITIONAL ROUTINE TESTS
As per IS:2026 PT.III-1977
E)
F)
Oil leakage tests on reactor tank otherwise not covered in IS:2026 Pt.III-1970.
SFRA test at factory and at site (equipment for test shall be arranged by the
supplier free of cost).
Charges of all the above tests including testing of oil shall be included in the quoted prices.
No separate charges shall be given.
NOTE:a)
The insulation resistance values of the shunt reactor windings will be recorded at the time of
carrying out routine tests, for one minute & ten minutes with the help of 5000V motorized meggar.
(Preferably MEGGAR/ EVERSHED/ AVO & VIGNOLE MAKE).The polarization index values
(ratio of 10 minute/1 minute values) will be accordingly calculated and recorded in the test
certificates and it should not be less than 1.5.
b) Dissolved gas analysis test of oil shall be got carried out before and after heat run test at
CPRI Bangalore/works of supplier.
c) Capacitance and Tan delta values for shunt Reactor and condenser bushings will be taken
and recorded in the test certificates at 5KV & 10KV. Insulation Resistance value of
condenser bushings shall also be recorded.
d) Lightning impulse test with the chopped wave applications shall be carried out as per
clause 13 of IS:2026/1981 (Part-III) amended upto date
e) The tenderer should clearly indicate the testing facilities available with them and tests
which are to be arranged outside.
Purchase Order No. 1713/PNGS-689
f)
Dated 01.10.2013
Ratios of the measuring instruments shall be such that the multiplying factor is the
minimum.
Supplier shall submit in house test certificates at least 15 days in advance for final testing
of shunt Reactor. For testing of shunt Reactor, all Measuring Instruments shall be of
highest efficiency and best quality. These shall be got calibrated from NPL/Govt.
Agency and be got sealed by calibrating agency in the temper proof fashion. BBMB
reserves the right to calibrate the instruments in the manner it desires.
All tests shall be carried out in the presence of the Purchaser before dispatching the
material. Test certificates in quadruplicate will be submitted to the Purchaser for
approval. No material shall be dispatched without prior inspection and approval of test
certificates unless otherwise agreed to. Type and routine test certificates of all bought out
items from recognized testing agency shall be submitted for approval before commencing
supplies. Only fully assembled shunt Reactor including mounting of radiators shall
be put up for final inspection.
27.
28.
29.
TESTING OF SHUNT REACTOR OIL
The shunt Reactor are to be supplied oil filled or gas filled. Sufficient quantity (along
with 10% extra of insulating oil of Nepthenic base confirming to BS: 148/IEC: 296
Class-I/IS-335(1993) shall be put up for inspection at least three weeks before offering
the shunt Reactor for inspection for carrying out necessary tests as per procedure
prescribed in the relevant IS:335/BS/IEC. The testing shall be carried out in the presence
of purchaser representative at the works of oil supplier. The oil will also be got tested
from CPRI Bangalore for all the tests. The inspected oil shall be filled in shunt Reactor
under the direct supervision of inspecting officer if the shunt Reactor is supplied oil filled
other wise the oil shall be dispatched directly from sub-supplier works in non-returnable
sealed drums, epoxy quoted from inside. Composite sample of oil shall be further tested
for IFT, tan delta, resistivity, water contents and BDV on receipt of oil at site. The
charges for all the above-mentioned tests shall be borne by the supplier and shall be
included in the prices of the shunt Reactor/oil. If all the oil is dispatched separately in
sealed drums then filling of oil in the shunt Reactor at site will be done in the presence of
suppliers representative if the supplier so desires.
FOUNDATION & FIXINGS
All plant and equipment shall be provided with a complete set of foundation bolts,
washers, nuts, plates and other fixtures as may be required and these shall be supplied by
the supplier. These fittings shall be fixed by the purchaser in the foundations, unless
otherwise specified. All foundations bolts, fixtures etc. shall be supplied as soon as
possible after the contract drawings have been approved.
TRANSPORTATION
The Shunt Reactor may be transported by rail, road or by rail cum road. For
transportation by rail the nearest railway station is Panipat (Haryana). If the Shunt
Reactor is transported by rail, further transportation from railway station to the switch
yard of BBMB, sub station Panipat shall be the responsibility of the supplier. Panipat sub
station is situated 90Km from Delhi. No offer shall be considered unless the
transportation of the Shunt Reactor is included in the tenderer scope. Timely arranging of
Purchase Order No. 1713/PNGS-689
Dated 01.10.2013
the requisite means of transport and arranging necessary clearances for transportation if
any, shall be the sole responsibility of the supplier.
30.
PACKING, DESPATCH AND DELIVERY
The Supplier shall be responsible for suitable packing of all equipment and marking of
the consignments so as to avoid any damage during transit, storage and to ensure correct
despatch to the destination. The LV bushings if mounted on the shunt Reactor during
transportation should be suitably protected with Steel Plate Cover. Damages to the
equipment due to improper packing shall be to Supplier’s account. All parts requiring
protection from moisture shall be especially packed to prevent ingress of moisture. No
parts of any kind shall be packed inside other larger parts. Heavy parts shall be so
mounted that there is no difficulty in attaching slings etc. for unloading at destination.
All parts shall be adequately marked to facilitate field erection. Boxes and crates shall be
marked with contract number and shall have a packing list enclosed, showing the parts
contained therein.
The weight and dimensions of the heaviest package of shunt Reactor shall be so arranged
by tenderer that the shunt Reactor can be transported upto site in Indian Railways or by
Road. It will be the entire responsibility of the supplier to obtain clearance from Indian
Railways on all matters connected with despatch of shunt Reactor and its accessories and
their receipt if the shunt Reactor is despatched by rail.
If the shunt Reactor is supplied oil filled then the escort should be provided to avoid
theft/pilferage of oil/any other item. It is the responsibility of the supplier that shunt
Reactor along with all the accessories are received safe up to the site of destination.
In case the shunt Reactor is dispatched gas filled and oil for the first filling is
dispatched separately sufficient quantity of gas in cylinders shall be supplied to
maintain the pressure of the gas in the tank at site before , it is filled with oil.
The supplier will depute his representative along with the trailers for maintaining
the gas Pressure in case of gas filled shunt Reactor.
Purchase Order No. 1713/PNGS-689
Dated 01.10.2013
ANNEXURE-D
FITTING AND ACCESSORIES
i)
ii)
iii)
iv)
v)
vi)
vii)
Reactor shall be provided with following fittings and accessories:- One - Dial type oil
temperature indicator with maximum pointer and two sets of contacts (Ratings 5 amps
220V DC) mounted on the side of the reactor at a convenient height to indicate the
temperature in the hottest part of oil. One set of contacts is for alarm and other may be
used for tripping under oil temp. condition being high.
One - Dial type winding temperature indicator for each phase, with maximum pointer
and two sets of contacts (5A, 220V DC) for alarm and trip. It shall be responsive
to the combination of top oil temperature and winding current calibrated to flow
the hot spot temperature of the reactor windings. The winding temperature
indicators shall have two sets of contacts (5 amp, 220V DC) one to operate a
remote alarm in the event of the hot spot temperature reaching a dangerous value
and the other for tripping.
One - Repeater dial equipment for winding temperature indication for each winding
shall be supplied loose for being mounted by the purchaser in the centralized
control room for 420KV reactor. Mounting and cut out details should be furnished
by the bidder in his offer.
One - One pressure relief valve/device (PRV) of minimum 150m (6 inch) size for main
tank with provision for trip contacts.
One - One double float gas/oil surge detecting (Buchholz) relay in the pipe connecting
the conservator with tank, complete with alarm and tripping contacts to detect
accumulation of gas and sudden changes of oil pressure, complete with two shut
off valves on conservator side as well as tank side and coupling to permit easy
removal without lowering flanges/oil level in the main tank. The size of shut off
valve shall be 80mm.
One -Set of name plates for each reactor as under:a) One Rating Plate bearing the data specified in appropriate clause of
IS:5553 (Part I & II) shall be fixed to the reactor at about 1750mm
above ground level. It shall also indicate insulation levels of
windings.
b) One - Diagram plate which shall also be fixed to the reactor tank at about
1750mm above ground level. The diagrams plate shall show in a
approved manner the internal connections of the winding in
accordance with IS:2026 (latest) and in addition a plane view of the
reactor giving the correct physical relationship of the terminals.
c)
Diagram plate showing the location and function of all valves and
air release cocks or plugs.
One - Brass cased removable mercury thermometer to be screwed a pocket on the tank
cover. The same thermometer shall be used for measurement of temperature on
the radiator headers where also similar provision is specified.
One - Set of valves on each tank, for external piping.
a) One - Oil drain valve of not less than 100mm with padlocking arrangement
suitably located on the side of the reactor to completely drain the
tank. At the option of the bidder, a larger valve may be furnished
Purchase Order No. 1713/PNGS-689
viii)
ix)
x)
xi)
Dated 01.10.2013
with a eccentric reducer. The valve shall be equipped with a small
sampling cock and plug.
b) OneFilter valve of not less than 50mm BSP suitably located at the top
level on the tank wall with padlocking arrangement. The opening of
this valve shall be baffled, to prevent aeration of the oil.
c) OneFilter valve of not less than 50mm BSP suitably located above the
bottom of the tank with padlocking arrangement. This valve shall
be located diagonally opposite the top filter valve.
d) Three- Oil sampling valves of 15mm size on the side of the tank for taking
top, middle and bottom oil sampling.
Two thermometer pockets for mercury in glass thermometer of minimum 10” depth from
top level.
One No. Spare pocket on tank cover for thermometer
Shunt Reactor shall be provided with complete Nitrogen injection Fire Protection cum
extinguishes system
Any other item, which is not included above but essential for the satisfactory operation of
the equipment.
Purchase Order No. 1713/PNGS-689
Dated 01.10.2013
ANNEXURE-E
PROVISION OF INBUILT COMPLETE NITROGEN INJECTION FIRE PREVENTION
CUM EXTINGUISHING SYSTEM
Nitrogen Injection System for the protection of Shunt Reactor/Power
Transformers against fire due to an arc, during internal faults and external fires have been
developed and are available. This system is required to be provided with Shunt Reactor/
Transformers for preventing tank explosion.
The system should comprise the following:1.
Fire Extinguishing Cubicle with base frame and containing, oil drain assembly,
nitrogen cylinder, electro mechanical control units for oil and nitrogen, release, detector
necessary for monitoring system, flanges on top panel for connecting
pipe connection from Shunt Reactor /transformer, panel lightning etc. One spare Nitrogen
Cylinder (filled) shall form the part of this supply. Inspection window as well as part of
cubicle door in front of inspection window to be filled with unbreakable glass & wire
mesh etc. for checking of oil leakage with opening the cubicle.
2.
Control Box for monitoring system operation, automatic control and remote
operation with alarms, indication light switches, push buttons, audio signal,
suitable for tripping and signaling on 110V DC supply.
3.
Pre-stressed non-return valve (PNRV) working on Shunt Reactor/transformer oil flow
rate, with proximity switch for remote alarm indication and with visual
4.
position indicator.
Required number of fire detectors rated for 141degree C for heat sensing, each
with two number cable glands, 5 Nos. fire detectors shall be provided
spare
filled
with
each
system.
5.
Signal box for terminating cable connections from PNRV and fire detectors.
6.
Pressure relief valve with limit switch.
7.
Non-corrosive, water proof, epoxy coated (from inside & outside) Mild steel
oil
tank with suitable capacity to be embedded in ground to store drained out oil.
The following arrangements are required to be made on the Shunt Reactor /Transformer
Tank at the time of fabrication of the tank:
i)
Oil drain opening with pipe, flange and manual gate valve at about
120mm below the top cover Pipe size DN 80 nominal dia /DN120 dia.
ii)
Purchase Order No. 1713/PNGS-689
Dated 01.10.2013
Flanges having 4 Nos. 18 dia holes with pad as 155mm and dummy pipe on the
conservator pipe between Buchhloz relay and conservator tank ,manual gate valve for fixing
PNRV.
i)
Supply and welding of the fire detector brackets on top cover.
ii)
Supply and welding of brackets for fixing signal box at a suitable
location on top cover or tank side wall.
The following jobs shall not be within the scope of the supplier.
1.
Fire wall civil work.
2.
Material handling facility for placing F.E. cubicle on plinth.
3.
Required electric signals connections to control box except fire detectors and PNRV.
4.
Power supply connections for control box as 110V DC or 230V AC.
5.
Power supply connections for F.E. cubicle lighting as 230V AC.
However all cabling, piping, DC-DC converter for 220 to 110V DC and any other
material required shall be supplied by the manufacturer. Installation and Pre-commissioning.
Tests shall be for carried by the supplier or his representative prior to commissioning of the
system.
Purchase Order No. 1713/PNGS-689
Dated 01.10.2013
ANNEXURE-F
Sr. Description
No.
Qty. to be
dispatched
Destination to
which
equipment
should be
dispatched
Name of the
consignee
Name of
concerned
Sr. Accounts
Officer
Name of
concerned Sr.
Xen/RE/ ASE
1.
One No.
400KV GSS,
BBMB,
Panipat
TIN No.-06452608183 PNP
SDO/S&T 220KV
GSS BBMB,
Panipat
Sr. Accounts
Officer,
BBMB,
Panipat
Sr. Xen/O&M
Division, BBMB,
Panipat ( Tele
1 No.
80MVAR,
420KV Shunt
Reactor and
spares for
400KV
Substation
BBMB,
Panipat
against
Specification
No.
BBMB/SSI/432.
(Tele phone
no. 01802762124)
phone no. 01802664950)
Name of
Bank
through
which
despatch
document
should be
presented
for
payment
State Bank
of India,
Panipat
Nearest
Railway
station
Panipat
APPENDIX-A
COMMERCIAL TERMS AND CONDITIONS
1.
F.O.R/ EX-GODOWN RATE
The rates are FOR destination basis including packing, forwarding, Freight & Insurance
Charges, but exclusive of other taxes and duties.
2.
DELIVERY PERIOD
Supply of items as stipulated in this contract shall be completed by supplier within 22
weeks from the date of receipt of technically and commercially clear order. The technical
clearance of the P.O. will be deemed from receipt of approved drawings by the supplier,
allowing one week time for postal transit in case of outstation letters and three days in
case of local letters. The supplier will, however, ensure that the complete drawings are
received by the purchaser within 45 days of receipt of purchase order. The delay in
submission of drawings by the supplier shall also invite levy of penalty @ specified in Para
5 below.
In case the supplier is unable to complete whole or any item of supply within stipulated
period, for recognized reasons of ‘Force Majeure’ mentioned in clause 3 below, he shall
be responsible to furnish well in time sufficient documentary evidence to the satisfaction of
the purchaser to prove the existence of conditions mentioned in the Clause 3, so as to
justify grant of extension by the purchaser of the ‘Delivery Period’ mentioned above. Such
extension will be granted by purchaser for the period for which the completion of supply is
proved, by the supplier, to have been delayed for the said reasons due to ‘Force Majeure’.
In case of delay in delivery, the dispatches shall be made only after obtaining written
consent of the purchaser.
3.
FORCE MAJEURE
The supplier shall not be liable for any penalty charges due to delay in manufacture or
delivery of material resulting from any causes beyond the supplier's reasonable control
including but not limited to
compliance with regulations, orders or instructions of
Central/State or Municipal Govt. or Agency, thereto, acts of God, Acts of Civil & Military
authorities, fires, floods, strikes, lockouts, freight embargoes, war risks, riots and civil
commotion’s. The supplier will seek extension of delivery period within three weeks of
occurrence of such an event and clearly state anticipated delay in supply on account of
such an event/events. On receipt of such request from the supplier, extension in delivery
period may be granted for the period for which the completion of work is proved by the
supplier to have been delayed for circumstances covered by reasons of 'Force Majeure'
subject to further conditions that if the delivery period is likely to be extended by more than
60 days on account of any event, the purchaser shall have the option to accept any
portion of the balance material and cancel the order for the rest provided, however, that if
material had been manufactured exclusively for the purchaser under contract prior to the
commencement of FORCE MAJEURE
circumstances, it shall be accepted by the
purchaser and the cancellation will be without any liability for damages on the part of the
supplier and without any payment of compensation by the Board.
4.
EXTENSION IN DELIVERY PERIOD
Any genuine delay in approval of technical detailed drawings, issuance of amendment of
purchase order, conducting inspection and approval of inspection test/tests certificates for
allowing despatches etc. will count towards extension of delivery period by corresponding
Purchase Order No. 1713/PNGS-689
Dated 01.10.2013
period other than admissible under Force Majeure conditions, if any, substantiated by the
supplier and duly accepted by the Purchasing Authority.
Date of delivery shall be taken as 7th day after the date of readiness of material for
inspection in case of purchase order upto Rs.5 lac and 14th day after the date of readiness
of material for inspection in case of purchase order more than Rs.5 lac, provided the
material offered has passed the inspection and proof of despatch of material within 7 days
of the receipt of despatch authorization and road permit (wherever required) is given by
the supplier. In case, however, the material fails during inspection at the works/site, as the
case may be, either fully or partially or the material is not ready for inspection when the
inspector visits the works for inspection, the re-inspection charges shall be recovered from
the firm. The date of readiness of the material in this case will be reckoned with reference
to the date from which the material/equipment is offered to be ready for the re-inspection
provided the material passes the inspection that follows the offer. The road permit shall be
supplied by the consignee expeditiously to ensure the timely despatch of material. In case
the material is not dispatched within 7 days of the receipt of dispatch authorization and the
road permit(wherever required), date of delivery shall be taken as date of receipt of
material by the consignee at site/store.
5.
PENALTY CHARGES
If the supplier fails to abide by the provisions of clause ‘Delivery period’, he shall be liable
to pay penalty @ 1/2% per week or part thereof the ex-works delivery price excluding
taxes & duties (but including freight & insurance charges where break-up of FOR
Destination price is not available) of such portion of material as has not been delivered
within the "Delivery period" subject to maximum of 10% of the contract value of the
delayed/undelivered portion of the material.
6.
TERMS OF PAYMENT
100% payment will be made within30 days after the receipt of material at site in good
condition and according to the specification and physical verification and record entry by
the consignee in the relevant G.R./M.B.
7.
CENTRAL SALES TAX/STATE SALES TAX
The Central sales tax/Punjab/Haryana/Himachal sales tax will be paid extra at actuals at
the rates prevailing at the time of delivery but limited to the rates prevailing within
contractual delivery period.
The supplier shall furnish original vouchers and/or following certificates duly signed by the
supplier:i)
Certified that the transaction on which sales tax has been claimed/shall be included
in the return submitted/to be submitted to the Sales Tax authorities for the
assessment of the Sales Tax and the amount claimed from the purchaser has
been/shall be paid to the sales Tax Authorities.
ii)
Certified that the goods on which Sales tax has been charged have not been
exempted under the Central Sales Tax Act, the rules made there under and the
charges on account of Sales Tax on these goods are correct under the provisions of
the relevant Act, or rules made there under.
iii)
Certified that we shall indemnify the purchaser in case it is found at a later stage
that wrong or incorrect payment has been recovered on account of the Sales Tax
paid by us.
43
Purchase Order No. 1713/PNGS-689
iv)
8.
Dated 01.10.2013
Certified that we are registered as a dealer under the Central Sales Tax and our
Registration No. is____________________.
EXCISE DUTY,OCTROI AND OTHER DUTIES
a) EXCISE DUTY
The payment of statutory excise duty will be made extra subject to actual proof of payment
having been made by you to the Excise Department but limited to the rates prevailing
within the contractual delivery period. The supplier shall also furnish following certificates
duly signed by him while claiming payment of excise duty:i)
Certified that the sum of Rs.____________(Rupees___________________
_____________________) towards Excise duty has been paid to the Central
Excise Authorities towards despatch of (Name of material) affected
from__________ Station_______ to_____________consigned
to_______________________ Under R.R.No.________Dated_______vide Bill
No.________
dated_______.
ii)
Certified that the excise duty charged is at the prevailing rates & no part of the
same is refundable. In case, any excise duty paid on this material is refunded to the
supplier it will be passed on to the purchaser.
iii)
Certified that the goods on which Excise duty has been charged have not been
exempted under the Central Excise Duty and the Central Excise Duty charged on
these goods is not more than what is payable under the provisions of the relevant
Act or rules made there under.
iv)
Certified that we shall indemnify the purchaser, in case it is found at a later stage
that wrong or incorrect payment has been recovered on account of Excise duty paid
to us.
(b) OCTROI & OTHER DUTIES/TAXES
Octroi and other duties/taxes, if livable on the finished goods at the station of despatch at
the time of supply shall be paid at actuals subject to production of original payment
documents and subject to the rates prevailing within the contractual delivery period, if the
same have not been included in the quoted prices. To avoid any complications, with
regard to Octroi at the destination station, the material shall be despatched in the name of
consignee and not to self. However, OCTROI charges as applicable at the destination
station shall be borne by the purchaser.
9.
NEGLIGENCE
If the supplier neglects to execute the work with due diligence and expedition or refuses or
neglects to comply with any reasonable orders given in writing by the purchaser in
connection with purchase orders or contravene the provisions of the purchase order, the
purchaser may give 21 day's Notice in writing to the supplier to make good the failure,
neglect or contravention complained of and should the supplier fail to comply with the
notice within a reasonable time from the date of service thereof, in case of failure, neglect
or contravention capable of being made good within that time or otherwise within such
time as may be reasonably necessary for making it good then and in such case the
purchaser shall be at liberty to take the work wholly or partly out of the hands of the
supplier and recontract at reasonable price with any other person or persons. In such an
event, it shall be lawful for the purchaser to retain any such balance which may otherwise
be due by him to the supplier on any account including the amount of Bank Guarantees
and apply the same towards the execution of the whole or balance of the work so
recontracted, as aforesaid. If, no such balance is due by the purchaser to the supplier or if
due is not sufficient to cover the amount thus recoverable from the supplier, it shall be
44
Purchase Order No. 1713/PNGS-689
Dated 01.10.2013
lawful for the purchaser to recover the whole or balance of the amount from the supplier
by action of the law.
10.
BANKRUPTCY
If the company shall commit any act of bankruptcy or being corporation commence to be
wound up except for reconstruction purpose, or carry on its business under a receiver, the
executors, successor or other representative in law of the estate of the supplier or any
such receiver, liquidator, or any person in whom the contract may become vested shall
forth-with give notice whereof in writing to the purchaser and shall for one month during
which company shall take all reasonable steps to prevent a stoppage of the works, have
the option of carrying out the contract subject to the supplier, providing such guarantee as
may be required by the purchaser but not exceeding the value of the work for the time
being remaining unexecuted. In the event of stoppage of the work the period of the option
under this clause shall be fourteen (14) days only. Provided that should the above option
not be exercised, the contract may be determined by the purchaser by notice in writing to
the supplier and the same power and provisions reserved to the purchaser in the last
proceeding clause of taking the work out of the supplier's hands shall immediately become
operative.
11.
REPLACEMENT OF REJECTED MATERIAL
i)
ii)
iii)
12.
Material found damaged, substandard or defective or not conforming to the prescribed
specification in any manner, at the consignee's end, shall not be accepted and intimation
to this effect shall be given to the supplier and the purchasing office by the consignee.
The Purchasing Authority shall promptly take up the matter with supplier/shall intimate the
supplier to this effect and ask him to rectify or replace the defective substandard material
forthwith and in any case within 60 days from the date of intimation or rejection of material,
failing which the Board shall reserve right to get the defect/damages rectified at the
supplier's cost or to dispose off such material and adjust the sale proceeds thereof, if any,
against its claim on the supplier. All expenses involved in the replacement by way of
handling, transportation, storage etc. shall be on supplier's account.
In respect of the defective/substandard supplies the date on which such a supply is
replaced shall be reckoned as the effective date of delivery there against and the delay
shall be worked out accordingly with reference to the date on which the supply was due as
per terms of contract, for the purpose of determining penalties/charges recoverable under
clause-5 above.
The provisions of sub clause (i) & (ii) above shall apply mutatis mutandis, to the material
found substandard or defective during the period of warranty.
WARRANTY
The supplier shall be responsible to replace free of cost, with no transportation
or
Insurance cost to the purchaser up to the destination, the whole or any part of the material
which in normal and proper use proves defective in quality or workmanship, subject to the
condition that the defect is noticed within 12 months from the date, the material is
commissioned/put to use by the end user, or 18 months from the date of despatch
whichever period may expire earlier. The consignee or any other officer of the purchaser
actually using the material will give prompt notice of each such defect to the supplier as
well as the purchasing authority. The replacement shall be effected by the supplier within
a reasonable time but not exceeding 60 days. The supplier shall also arrange to remove
the defective supply within a reasonable period but not exceeding 60 days
from the
date of issue of the notice in respect thereof, failing which the purchasing authority
shall reserve the right to dispose off the defective material in any manner considered fit
45
Purchase Order No. 1713/PNGS-689
Dated 01.10.2013
by it at the sole risk of the supplier. Any sales proceeds of the defective material after
meeting the expenses incurred on its custody, disposal, handling etc. shall, however, be
credited to the supplier's account and set off against any outstanding dues of the
purchaser
against
the
supplier.
These provisions shall also apply equally against the replaced material. In case the
material is again found to be defective within a period of 12 months of its replacement it
shall also have to be replaced similarly.
13.
14.
WARRANTY DEED
The supplier shall execute a warranty deed, on the standard proforma to be supplied by
the purchaser, on a non-judicial stamp paper required for such deeds as per the relevant
act of the state in which it will be executed and signed and shall be kept valid for a period
of 12 months from the date the material is commissioned/put to the use by end user or 18
months from the date of despatch, whichever is earlier to cover the warranty period of the
material to be supplied. The warranty deed shall be supplied immediately after placement
of purchase order.
PERFORMANCE BANK GUARANTEE
The supplier shall furnish a performance Bank Guarantee (on a standard proforma to be
supplied by the purchaser) to the tune of 10% value of the contract to cover the
satisfactory working of the material during the period of warranty as per clause-12 above
and it shall also be kept valid till such time any claim of the purchaser is pending against
the supplier. The performance Bank Guarantee shall be furnished by the supplier one
month before the commencement of delivery.
15.
TEST AND INSPECTION
The supplier shall also intimate the purchaser about the readiness of material
for
inspection and same shall be inspected within 15 days from the receipt of
notice. In case the representative of the purchaser finds on arrival at the supplier's
premises that the material was not ready for inspection and that the notice given by the
supplier was in fructuous, the expenditure incurred by the purchaser on arranging for such
inspection shall be recovered from the supplier. No material shall be despatched without
prior inspection and approval of test certificates by the
purchaser
unless
otherwise directed. The inspected material shall be despatched within 7 days from the
date of receipt of instructions allowing despatch of material. The Test certificates of each
batch of supply shall be supplied in sextruplicates to the Director, Planning & Design
Directorate (Transmission System), Bhakra Beas Management Board (Power Wing),
66KV Grid Substation, SLDC Complex, Industrial Area Phase-I, Chandigarh-160002 for
approval. A Photostat copy of the inspection/test report and letter conveying approval of
Test Certificates and clearance for despatch shall be attached by the supplier to the
forwarding Railway Receipt or the receipted goods challan as the case may be. However,
if the inspection is waived off by the purchaser, the supplier shall attach a copy of the
Purchaser's letter waiving off inspection with the Railway Receipt or the receipted goods
challan and the supplier shall be responsible for rectification of all defects noticed by the
consignee after receipt of material.
16.
PACKING
All apparatus and equipment shall be securely packed for safe delivery at destination and
supplier shall be responsible for all losses or damages caused or occasioned due to
improper or defective packing. Double boxing to give extra protection to the equipment
against mechanical injury shall be used, if required.
46
Purchase Order No. 1713/PNGS-689
Dated 01.10.2013
All parts requiring protection from moisture including polished parts which rust rapidly, shall
be double boxed with trapper or in such other approved manner. All parts such as coils
parts, containing coils for electrical machines. Instruments, relays, motors etc. requiring
utmost protection against moisture shall be packed in metal lined sealed boxes with trapper
or sisal Kraft paper or any other approved material inserted between metal lined box and the
outer layer of boxing.
All boxes shall be marked with signs indicating the up and down sides of the boxes and also
unpacking instructions considered necessary by the supplier.
The contents of the boxes shall have place marks corresponding to the number in the
packing list to enable easy identification. The prices include packing charges also and as
such, no extra payment shall be made on this account.
17.
TRANSPORTATION, INSURANCE & HANDLING OF MATERIAL
The supplier shall be responsible for transportation, insurance and handling of material
upto the destination station as per despatch instructions. The material shall be dispatched
by Rail/Road “Freight Pre-Paid”. The purchaser shall have the right to lodge claim/claims
for shortage/damages etc. if any, during transit with the supplier within 30 days of the
receipt of material. The settlement of such claim with the underwriters shall be the
supplier’s responsibility. In such an event, the purchaser shall obtain an open Delivery and
certification from the Railway/Carrier.
18.
ARBITRATION
If at any time question, dispute or difference whatsoever, shall arise, between the
purchaser and the supplier upon or in relation to or in connection with the contract either
party may forthwith give to the other, notice in writing of the existence of such question,
dispute or difference and the same shall be referred to award of (two) arbitrators one to be
nominated by the purchaser and other to be nominated by the supplier or in the case of
said arbitrators not agreeing then to the award of an umpire to be appointed by the
arbitrators in writing before proceeding with the reference and the decision of the
arbitrators or in the event of their not agreeing, of the umpire appointed by them, shall be
final and binding on the parties and provision of “the Arbitration and Conciliation Act,
1996” of the rules there under and any statutory amendment/ modifications or reenactment thereof for the time being in-force shall be deemed to apply to and by
incorporated in the contract.
Such a notice of the existence of any question, dispute or difference in connection with
contract shall be served by either party within 180 days or the issue of receipt by the
consignee for each consignment failing which all rights and claims under this contract
shall be deemed to have been forfeited and absolutely barred.
The work under the contract shall reasonably possible continued during arbitration
proceedings and no payment or payable by the purchaser shall be within on account of
such proceedings.
19.
CANCELLATION OF PURCHASE ORDER
The purchaser shall have the right to amend or cancel the order at any time before the
receipt of intimation regarding manufacturing of material, if he is satisfied that the delay in
execution of the order by the supplier is willfully and detrimental to the interest of the
Board. In case where after the commencement of manufacture, there is willful delay on
the part of the supplier to the despatch/manufacture of the material, the purchaser may
cancel the order for whole/unexecuted portion after giving a notice of 15 days to the
supplier.
47
Purchase Order No. 1713/PNGS-689
20.
21.
Dated 01.10.2013
JURISDICTION OF COURT
In case of any dispute between the parties, the courts at Chandigarh only shall have the
jurisdiction to settle/decide and adjudicate upon such matters.
SIGNING OF PURCHASE ORDER
The successful tenderer will be furnished with three copies of the purchase order. Two
copies shall be retained by the supplier. The third copy of the purchase order will be
returned by the supplier to the purchaser after signing each and every page of P.O. by his
authorized representative in token of the unconditional acceptance of the purchase order.
The supplier shall also furnish documentary evidence that the signatory is an authorized
representative of the supplier.
****************
48
Purchase Order No. 1713/PNGS-689
Dated 01.10.2013
APPENDIX-B
(WARRANTY DEED)
(To be executed on the appropriate value of Non-Judicial Stamp Papers)
This warranty deed made this day the__________________________
_________________________________________ between Messer’s (supplier’s name)
through ____________________hereinafter referred to as “The supplier” which expression shall
include its legal representatives, successors and assigns of the one part, and the Bhakra Beas
Management Board, Chandigarh through Chief Engineer/Transmission System, a statutory
body constituted under Section 79 (1) read with Section-80 (6) of Punjab Re-organization Act,
1966 hereinafter referred to as “ the Board” which expression shall include its successors and
assigns of the other part.
Where as the Board has placed on the supplier P.O. No._______________________
____________________________________________________________________________
____________________________________________________________________________
_________________________________for the design, manufacture, testing, supply and
delivery of the material as specifically and fully described in the said P.O. and whereas the
above said P.O. has been accepted by the Supplier vide their letter No.______________
___________________________________________thus constituting a legally enforceable
contract between the parties above named.
NOW THEREFORE THIS DEED WITNESSTH AND THE SUPPLIER HEREBY
WARRANTIES AS UNDER:That the supplier shall be responsible to replace free of cost, with no transportation or
insurance cost to the Board upto the destination, as specified in the said P.O. or the Despatch
instructions issued in pursuance of the said P.O. the whole or any part of the material which in
normal and proper use proves defective in quality or workmanship subject to the condition that
the defect is noticed within 12 months from the date, the material is commissioned/put to use by
the end user, or 18 months from the date of despatch whichever period may expire earlier. The
consignees or any other representative of the Board actually using the material will give prompt
written notice of each such defect to the supplier. The replacement shall be affected by the
supplier within a reasonable time but not in any case exceeding 60 (sixty) days. The supplier
shall also arrange to remove the defective supply within a reasonable period but not exceeding
60 (sixty) days from the date of issue of the notice in respect thereof, failing which the Board
shall reserve the right to dispose off the defective material in any manner considered fit by it at
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Purchase Order No. 1713/PNGS-689
Dated 01.10.2013
the sole risk and cost of the supplier. Any sale proceeds of the defective material after meeting
the expenses incurred on its custody, disposal, handling etc. shall however, be credited to the
supplier’s account and set off against any outstanding dues of the Board against the supplier.
That the above provisions shall also equally apply to the replaced material. In case the material
is again found to be defective within a period of 12months of its replacement, it shall also have
to be replaced similarly.
The supplier further declares that this deed has been executed by its lawfully constituted
attorney legally competent to sign and execute and has been stamped as required under the
relevant Act of the State in which it has been executed & signed and that the warranty herein
before contained shall not be affected by any change in the constitution of the supplier.
In witness whereof the parties hereto have executed this deed on the date and year first
above mentioned.
Witness:1.
Signature:___________________________
For and on behalf of
the supplier:
2.
Name & full address
Signature:_________________
Signature :__________________________
Name & Designation:-
Name & full address.
Witness:1.
Signature:________________________
For and on behalf of
the Board:-
2.
Name & full address:-
Signature:______________
Signature:________________________
Name & Designation:-
Name & full address:
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Purchase Order No. 1713/PNGS-689
Dated 01.10.2013
APPENDIX-C
PERFORMANCE BANK GUARANTEE
(TO BE EXECUTED ON THE APPROPRIATE VALUE OF NON-JUDICIAL STAMPED
PAPERS)
This agreement is made this _____________day of ________________between M/S
(Banker’s Name)______________________through a company registered under the
Companies Act, 1956/Banking Statute/ a body corporate constituted under the Banking
Companies (Acquisition and Transfer of undertaking) Act V or 1970 having its registered office
at ________________hereinafter called the “Guarantor” which expression shall unless
repugnant to the context or meaning thereof include its successors and assigns of the first part,
M/S ________________________through (designation of the person signing The Bank
Guarantee _______________________________________________(on behalf of the supplier)
a company registered under companies Act, 1956, having its registered office at (Address of
Registered office_______________________) hereinafter called the “Supplier” which
expression shall unless repugnant to the context or meaning thereof include its successors and
assigns of the second part and the Bhakra Beas Management Board, Chandigarh through Chief
Engineer/TS, a statutory body constituted under Section 79 (1) read with Section-80 (6) of the
Punjab Re-organization Act, 1966 hereinafter called the ‘Board’ which expression shall unless
repugnant to the context or meaning thereof include its successors and assigns of the third part.
Whereas the supplier had, interalia, agree to supply to the
Board___________________________________(hereinafter called the “said equipment) on
the terms and conditions contained in the P.O.No.____________________________
dt._______________________(hereinafter_______________________________called the
“said P.O..”) Placed by the Board on the supplier and unconditionally accepted by the supplier.
And whereas under clause 14 of Appendix-A of the said P.O. the supplier is required
to furnish a Bank Guarantee for a sum Rs._______________________________
(Rupees_________________________being the____________________value of all the
consignments of the said equipment on account of retention money, which but for this
guarantee would be withheld by the Board till such time that the said equipment is received in
good condition by the Board and in accordance with the specifications of the same and the said
equipment has given satisfactory performance during its warranty period as per clause 12 of the
appendix-‘A’ of the said P.O. and also till such time that any claim of the Board is pending
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Purchase Order No. 1713/PNGS-689
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against the supplier, to guarantee the payment of the retention money on bill submitted against
supply of the said equipment on order from time to time upto a maximum amount of the sum of
Rs._______________________________(Rupees____________________________________
____________________________________________________________________________
___________________________________________________)
And whereas at the request on the supplier the Board has agreed not to retain
10% of the contract price of all the consignments and in lieu thereof to accept a Bank Guarantee
equivalent to the 10% of the contract price of all the consignments from the guarantor for the
aforesaid purposes & for the due performance of the said P.O. by the supplier on the terms &
conditions hereinafter contained, this deed, witnesseth and it is hereby agreed by and between
the parties hereto as follows:The Guarantor hereby guarantees to the Board the quality, workmanship and
design of the said equipment in accordance with the prescribed specifications and the terms of
the said P.O. and that the said equipment when received by the Board shall be in good condition
and shall give satisfactory performance during its warranty period as per clause 12 of Appendix‘A’ of the said P.O. and agrees to indemnify and keep indemnified the Board to the extent of
Rs._________________________in the aggregate against all losses, damages, cost, charges
and expenses which may be suffered or incurred by the Board on account of non-receipt of the
said equipment in good condition or on account of any defect in the said equipment or on
account of any breach or breaches on the part of the supplier of any of the terms and conditions
of the said P.O. in the supply of and during the warranty period of the said equipment. The
guarantor further agrees that the Board shall be the sole judge whether or not the supplies have
been made according to the prescribed specifications, design and workmanship and laid down in
the said P.O. and whether or not the said equipment has been received in good condition by the
board and whether or not the said equipment has given satisfactory performance during its
warranty period and whether or not the supplier has committed breach or breaches of any of the
terms and conditions of the said P.O. and the extent of loss, damages, cost, charges or
expenses suffered or incurred by the Board on account thereof. The guarantor hereby
guarantees and undertakes to release & pay immediately the amount of
Rs.______________________to the Board on receipt of written instructions from the Board and
the supplier shall not have any right or cause to interfere. All rights to get the Bank Guarantee
encashed shall rest with the Board solely at its discretion without assigning any reason
whatsoever.
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Purchase Order No. 1713/PNGS-689
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The guarantor further agrees that this guarantee shall remain in full force and
effect for 24 months from the date of its issue in the first instance. This guarantee shall be
revalidated subsequently for a further period, if required, under clause 14 of appendix-‘A’ of the
said P.O. so as to cover the warranty period as per Clause-12 of the Appendix-A of the said P.O.
and also till such time any claim of the Board is pending against the supplier. The guarantor also
agrees and undertakes not to revoke this guarantee before the same is discharged as aforesaid
except with the previous consent of the Board in writing.
The Guarantor hereby further agrees that the Board shall have the fullest liberty
without affecting in any manner obligation of the guarantor hereunder with or without the
consent of the guarantor to vary any of the terms of the said P.O. or to extend time of
performance of the said P.O. by the supplier from time to time or to postpone for any time or
from time to time any of the powers exercise-able by the Board against the supplier and either
to forebear or enforce any of the terms or conditions relating to the said P.O. and the Guarantor
shall not be relieved from his liability by reason of any variations or any extension being granted
to the supplier or for any forbearance, act or commission on the part of the Board, or any
indulgence by the Board to the supplier or by any such matter or thing whatsoever which under
the law relating to sureties would but for this provision have effect of so relieving the guarantor,
nor would it be necessary for the Board to sue the supplier before suing the said guarantor for
the amount/damages due under this deed of guarantee.
The guarantor hereby further affirms and declares that this guarantee has been
executed by their lawfully constituted attorney legally competent to sign and Execute and has
been stamped as required for such guarantees under the relevant Act of the State in which it
has been executed and signed and the guarantee herein before contained shall not be affected
by any change in the Constitution of the Guarantor (Bank) or the Constitution of the supplier.
The Guarantor hereby further agrees that any claim or dispute arising under this
deed shall fall within the exclusive jurisdiction of courts at Chandigarh.
Notwithstanding, anything herein before contained the Guarantor’s liability under
this guarantee is restricted to Rs._________________________________________
(Rupees___________________________________). The guarantee shall remain valid
upto______________________________________.Unless claim in writing is presented to the
guarantor within six months from that date and if unpaid, a suit or action to enforce such claim
under this guarantee is filed against the guarantor within said period of six months, all the rights
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Purchase Order No. 1713/PNGS-689
Dated 01.10.2013
of the Board under the said guarantee shall be forfeited and the guarantor shall be released and
discharged from all liability there under.
In witness whereof the parties hereto have put their perspective hands on the
day and the year first above mentioned.
Witness:
For & on behalf of the
Guarantor:
1.
Signatures:____________
2.
Name & Designation ______
Witness:
For and on behalf of the
Supplier.
1.
Signatures:____________
2.
Name& Designation______
Witness:
For and on behalf of the
Board.
1.
Signatures:____________
2.
Name & Designation
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Purchase Order No. 1713/PNGS-689
Dated 01.10.2013
APPENDIX-D
BANK GUARANTEE PROFORMA FOR SECURITY DEPOSIT
(To be executed on the Appropriate value of non-judicial stamped papers)
This deed of guarantee is made
this_______ day of ______between M/s_______
(Banker’s Name) through (designation of the person signing the Bank Guarantee, on behalf of
the Guarantor), a company registered under the Companies Act, 1956 (Banking Statue/body
corporate constituted under the Banking Companies(Acquisition and Transfer of Undertakings)
Act 1970 having its registered office at______________________ Address of Registered office
(hereinafter called the “Guarantor” which expression shall unless repugnant to the context of
meaning thereof include its successors and assigns) of the first part and M/s ____through
(designation of the person signing of Bank Guarantee on behalf of the supplier) company
registered under Companies Act, 1956, having its registered office at____________________
(Address of Registered Office) (hereinafter called the “Supplier” which expression shall unless,
repugnant to the context or meaning thereof, include its successors and assigns) of the second
part and the Bhakra Beas Management Board, through its Chief Engineer/Transmission
System a statutory body constituted under Section 79(1) read with section 80(6)of the Punjab
Re-organization Act, 1966 (hereinafter called the ‘Purchaser’ which expression shall unless
repugnant to the context or meaning thereof include its successors and assigns) of the third
part.
2.
WHEREAS _________________(Name of suppliers) has submitted its tender Offer
No._________________ dated _____(Number and date of tender) (hereinafter called “the
Tender”) in response to Purchaser’s Limited Tender Enquiry No.378 dated 17/01/2013 as
per BBMB’s specification No.BBMB/SS-I/432 and Purchase order No.__________________
dated ___________________ has been placed on the Supplier for Design, manufacturing,
testing, supply and delivery of 1 No. 80MVAR, 420 KV Shunt Reactor and spares for 400KV
substation BBMB, Panipat against Specification No. BBMB/SS-I/432 at the rates and on the
terms & conditions contained in the purchase order.
3.
And whereas as per clause No.20 of Section IA of specification no. BBMB/SS-I/432, the
earnest money furnished by the successful tenderer on whom the purchase order is placed shall
be converted into Security Deposit and he shall be required to furnish Security Deposit within 7
days of receipt of purchase order.
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Purchase Order No. 1713/PNGS-689
4.
Dated 01.10.2013
WHEREAS by these presents the ‘Guarantor’ is bound unto purchaser in the sum of
Rs.______________ for which payment well and truly to be made to the said Purchaser, the
Guarantor binds itself, its successors and assigns by these presents.
5.
WHEREAS THE CONDITIONS of the obligation are the following:a)
If the Purchase Order has been issued but the Supplier refuses to comply with it,
irrespective of the fact whether the Purchaser sustains any loss on account of his default
or not. This forfeiture shall be without prejudice to the right of the Purchaser to claim any
other damages as admissible under the law as well as to take such executive action
against the Supplier as black-listing etc.
b)
Whereas the Purchase Order has been accepted but the Supplier stops making the
supplies after partially fulfilling the purchase order and adjustment against any loss that
may be caused to the Purchaser through risk purchase from alternative source and/or any
other damage recoverable from the Supplier under the terms of the contract.
c)
In the event of a breach of contract in any manner
The Guarantor hereby guarantees and under takes to release and pay immediately to the
Purchaser upto the above amount unconditionally upon receipt of its first written demand
without the Purchaser having to substantiate its demand, provided that in its demand the
Purchaser will note that the amount claimed by it is due to it, owing to the occurrence of
one or more of the above named conditions and specifying the occurred
conditions, and the Supplier shall not have any right or cause
condition
or
to interfere.
And it is agreed and declared by the Guarantor that the liability of the Guarantor to pay the
said amount whenever called upon by the Purchaser shall be irrevocable and absolute
and the Guarantor will not be entitled to dispute or inquire into whether the Purchaser has
become entitled to forfeit the said amount as earnest money (or as security deposit) under
the terms of the Purchase order/Contract or not and entitled to claim the same or not or
whether the Supplier has committed any breach of the Purchase order/Contract or not or
whether the Purchaser is entitled to recover any damages from the supplier for breach of
terms thereof or not.
And it is further agreed and declared by the Guarantor that any waiver of any breach of
any term of the said purchase order/contract or any act of forbearance on the part of the
Purchaser or any time given by the Purchaser to the Supplier for carrying out and
completing the work under the said Purchase Order/Contract or any modifications made in
the terms and conditions of the said Purchase Order/Contract or any other act or omission
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Purchase Order No. 1713/PNGS-689
Dated 01.10.2013
on the part of the Purchaser which could have in law the effects of discharging a Surety,
will not discharge the Guarantor
6.
WHEREAS this Guarantee will remain in full force and effects till the warranty period of the
complete equipment from the date of issue of Purchase order in the first instance. The
Guarantee shall be revalidated subsequently for a further period, if required by the Purchaser
with the prior consent of the Supplier. The Guarantor also agrees and undertakes not to revoke
this guarantee within its validity period as aforesaid.
7.
It is agreed and declared that this guarantee will be enforceable even if the Supplier’s company
goes into liquidation or there is any change in the constitution of said company or management
of the said company and shall ensure to the benefit of its successors and assigns and shall be
binding on the successors and assigns of the Guarantor.
8.
WHEREAS the Guarantor hereby further declares that this guarantee has been executed by its
lawfully constituted attorney legally competent to sign and execute and has been stamped as
required for such guarantees under the relevant Act of the State in which it has been executed
and signed and this Guarantee shall not effected by any change in constitution of the Guarantor
or the Supplier
9.
WHEREAS the Guarantor & Supplier hereby further agree that any claim or dispute arising
under this deed shall fall within the exclusive jurisdiction of courts at Chandigarh.
Not withstanding any thing herein before contained, Guarantor’s liability under this
guarantee is not restricted to Rs.__________/- (Rupees_____________only), (the amount
submitted by the Supplier on account of Earnest Money Deposit at the time of submission of
tender). This guarantee shall remain in force until__________ . Unless a claim in writing is
presented to the Guarantor within six months from that date and if unpaid a suit or action to
enforce such claim is filed against the Guarantor within said period of six months, all the
rights of the Purchaser under the said guarantee shall be forfeited and the Guarantor shall
be released and discharged from all liabilities thereunder.
In witness whereof the parties hereto have put their respective hands on the day,
month and the year first above mentioned.
For & on behalf of the Guarantor
Witness
1. Signature and Designation
Full address
Signature__________________
Name & Designation______________
Full address with Rubber Seal
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Purchase Order No. 1713/PNGS-689
Dated 01.10.2013
2. Signature and Designation
Signature__________________
& Full address
Name & Designation______________
For & on behalf of the Supplier
Witness
1. Signature and Designation
Signature__________________
& Full address
Name & Designation______________
2. Signature and Designation
Signature__________________
& Full address
Name & Designation______________
For & on behalf of the Purchaser
Witness
1. Signature and Designation
Signature__________________
& Full address
Name & Designation______________
2. Signature and Designation
Signature__________________
& Full address
Name & Designation______________
58