important note bid document has been · pdf filecomplete software and hardware package for...

IMPORTANT NOTEIMPORTANT NOTEIMPORTANT NOTEIMPORTANT NOTE

BID DOCUMENT HAS BEEN DISPLAYED BELOW TO

UNDERSTAND THE REQUIREMENT ONLY. PARTIES

INTERESTED TO PARTICIPATE AGAINST THIS TENDER

SHALL HAVE TO PURCHASE THE TENDER DOCUMENT

FROM ANY OF OIL’S DESIGNATED OFFICES MENTIONED IN

THE TENDER NOTIFICATION. PROOF OF PURCHASE OF

TENDER DOCUMENT MUST BE SUBMITTED ALONG WITH

THE OFFER FAILING WHICH OFFERS SHALL BE TREATED

AS UNSOLICITED.

OIL INDIA LIMITED ( A Govt. of India Enterprise )

4, India Exchange Place, Kolkata – 700 001.

OIL INDIA LIMITED (OIL) invites sealed tenders for supply, of the following items :- Srl. No. Enquiry No.

(Bid Closing Date ) Material Description

1. KID3045P10/08

(05.06.2009)

Supply, Installation & Commissioning of Skid Mounted Motor Driven Centrifugal Pump set – 2 Nos.

2. KID3044P10/07

(05.06.2009)

Supply, Installation & Commissioning of Numerical Type Feeder, Motor & Transformer Protection Relays – 3 items.

3. KID3041P10/01 (05.06.2009)

Bitumen Felt – 3600 Rolls.

2.0 Bid documents (Non transferable) can be purchased from 08.05.2009 till one day prior to the respective Bid Closing Dates on payment of tender fee of Rs. 1000.00 each through Crossed Demand Draft in favour of M/s. Oil India Limited (excepting for PSUs and SSI units registered with NSIC/Directorate of Industries for the item) from (A) Head (Calcutta Branch), Oil India Limited, 4,India Exchange Place, Kolkata - 700001 (B) Head Materials, Oil India Limited, P.O. Duliajan, Assam - 786602 (C) Sr. Adviser (Contract & Purchase), Oil India Limited, Plot No. 19, Sector-16A, Noida – 201301 (D) Sr. Materials Manager (Pipeline), Oil India Limited, P.O: Udayan Vihar, Guwahati - 781171.

3.0 To be eligible for issue of tender documents, the applicant must meet the following qualifying criteria (documentary evidence to be provided) :

(i) Successful execution of a single order of value not less than the amount shown below for supply of similar items during last five years : Srl. No. 1. 2. 3. Single Order value in Lakhs (Rs.) - 9.50 19.50 26.00 (ii) Annual turnover of the firm in any of the last three financial years or current financial year should be more than the amount as below: Srl. No. 1. 2. 3. Annual Turnover value in Lakhs (Rs.) - 19.00 39.00 52.00 4.0 Bidders may visit OIL’s website www.oil-india.com for further details on the above tenders.

CORRIGENDUM

(1) The Bid Closing Date against Tender No. KID2186PO9/02 dt. 12.02.09 for complete software and hardware package for instrumentation design & engineering has been extended to 19.05.2009 (14.00 Hrs.)

(2) The Bid Closing Date against Tender No. KID2185PO9/02 dt. 12.02.09 for Duliajan – Shalmari communication system including installation & commissioning, training & Annual Maintenance contract – (Two Bid System) has been extend to 19.05.2009 (14.00 Hrs.)

* * *

http://www.oilindia.nic.in/

OIL INDIA LIMITED(A Govt. Of India Enterprise) Tel :033 2230 1657, 16584, India Exchange Place, Fax :91 33 2230 2596Kolkata-700001 E-mail :[email protected] No. & Date :KID3044P10/07 27.04.2009

Tender FeeBid Security Amount

::

INRINR

1,000.0097,000.00

Bidding Type :Single Bid (Composite Bid)

Bid Closing OnBid Opening On

Performance Guarantee

::

:

05.06.2009 at 14:00 hrs. (IST)05.06.2009 at 14:00 hrs. (IST)

Applicable

OIL INDIA LIMITED invites Press tenders for items detailed below:

Item No./Mat. Code

Material Description Quantity UOM

100C000155 Supply, installation and commissioning of numerical type feeder protection

relays, as retrofit replacement for English Electric make type: CDGmodel:CDG 31EG1J5 electro mechanical relays.

Specification for numerical type feeder protection relays:

PROTECTIONS:

i) Numerical type of relay for feeder protection.ii) 3- phase Inverse time and definite time low set O/C protection (IDMTL).iii) 3- phase instantaneous high set O/C protection(DTL) .iv) 3- phase Inverse time and definite time low set E/F protection(IDMTL).v) 3- phase Instantaneous high set E/F protection (DTL).vi) Thermal O/L (true rms) protection.vii) Integrated circuit breaker failure protection (50BF).viii) Broken conductor(phase failure) detection.ix) Thermal state monitoring.

FEATURES:

i) Type of Relay: Numerical for feeder protection against O/C and E/F.ii) Rated current: 1 A and 5 A ( for both O/C & E/F units)iii) Thermal withstand:iv) 1s @ 100 X rated currentv) 2s @ 40 X rated currentvi) Continuous @ 3 X rated currentvii) Rated frequency = 50 HZviii) Auxiliary voltage = 30V DCix) Relay burden: < 1 VAx) Accuracy: of the order of +/- 2%xi) Suitable for CT type: Phase input: Typical 10/15VA, 5P10xii) Earth input: Residual connection to phase CTs or core balancei) Phase current: (I>,I>>,I>>>)0.1 to 40 X rated current.ii) Earth current: (Ie>,Ie>>,Ie>>>)0.002 to 1 X rated current

16 NO

Page : 1 / 13

Tender No. & Date :KID3044P10/07 27.04.2009

Item No./Mat. Code


iii) Instantaneous Drop out time (phase and earth): < 30msiv) Phase time (t>, t>>, t>>>) : 0 ms to 150 sv) Earth time (te>, te>>, te>>>) : 0 ms to 150 svi) Thermal Over Load: 0.1 to 3.2% rated currentvii) Contact rating: 30 A for 0.2 s (make) & 5A continuous (carry).

FUNCTIONS:

1.Disturbance recorder and sequential events recorder.2.LCD display (26-characters, 2 lines)3.The disturbance recording functions should be integrated in the relaymodule.4.Atleast last 5 fault records, 500 event records and 10 Waveforms duringfault should be recorded and stored in the relay. Further the record detailscan be downloaded to PC/laptop.The disturbance recorder shall have facilityto record at least 4 Nos. external digital signals apart from digital signals fromrelay.5. Comprehensive metering functions6. Have front RS232 port for connecting Lap Top (Suitable connectingcards/converter to be supplied) and rear RS485 or Fibre optic port for localand remote communications. However for uniformity all the relays shall beprovided either internationally acceptable open protocols likeIEC-60870-5-103/MODBUS/DNP3 with RS 485 port or Fibre optic port at therear. Have time synchronisation facility.7.The offered relay shall have measurement functions such as 3 phase &neutral current(primary as well as secondary), voltages, Power, energy,Power factor and system frequency with facility to see the maximum as wellas minimum values.8.All the key datas , storage of event logs, trip logs, fault records and statisticsdocuments are stored in the relay to facilitate the user or operator.9.Oscillographic fault records feature.10.The relay enclosure shall be dust tight having degree of protectionminimum as IP5X and the relay front fascia should have IP54 degree ofprotection.11.Auxiliary Power Supply:The relay shall be suitable for both 30 V DC and110 V DC supplies with tolerance of +/- 20%. Suitable connecting terminalshall be provided for both 30 v dc and 110 v dc.12.Numerical relay shall have Permanent self monitoring of relay healthinessof all hardware and software elements.13. Numerical relay shall have password protection feature.

MOUNTING:The numerical relay shall be flush mounting withdrawble type as retrofit to EE

make make CDG type relays.During withrawal,CT should be getting shortedautomatically.

GENERAL REQUIREMENTS:

1. These relays would replace existing EE make CDG type electromechanical relays. The numerical relays should be able to fit in to the existingcradle of flash mounting as retrofit using the same type of draw out contactfingers for pressure type connections. No change in the relay terminal

Page : 2 / 13


Item No./Mat. Code


connection should be necessary because of this retrofit operation.2. Offer shall be complete with a Laptop with suitable hardware connections,communication hardware/ cables, relay attachments and protocol convertersetc. as required.3. The offer shall include software for relay setting control/monitoring as wellas for disturbance recording. The software shall be windows based, andstandard PC. The software shall be supplied by the relay manufacturer andshould be licensed to Oil India Limited. Back up copies of the software shouldbe supplied on a CD or any suitable media.4. All relay parameters should be programmable from the relay itself as wellas a central computer to be connected to all the relays. It should be possibleto examine all relay parameters, e.g. relay settings, relay current, faultcurrent, event etc. from the relay as well as the computer. It should also beensured that in case of a computer or communication link failure, the relayshall continue to function without interruption.5. The relay should provide a visual indication of operation at the front fasciaas well as on the central computer if connected.6. Display on the front fascia shall be alphanumerical backlit LCD type.7. The menu shall have a pull down structure for ease of use and quickaccess to any data.8. Manual auto reset of the alarm and relay shall be available at the front sideof the relay as well as the central computer.9. The relay should not cause electro magnetic/RF Interface to PLC circuits inthe vicinity. This shall be clearly stated in the offer.10. The relay shall be suitable for a substation automation system to providea total system solution. The software shall be capable of latest up-gradation(to provide a coordinated and integrated protection concept).11. The offer shall include any special device required for testing of thenumerical relays.12. Stabilized against unwanted operation at faults out side the protectionarea.13. Second harmonics and fifth harmonics restraint for prevention ofunwanted relay operation.14.The relay shall conform to the requirements of IS:3231 / IEC60255standards in respect to features/ construction/design etc.15. Bidders shall filled up the data sheet as per ANNEXURE-A. Offer withoutData sheet shall be considered as incomplete specification and may berejected.

TEST AND INSPECTION:The equipment shall be inspected by engineer(s) of OIL prior to dispatch.Test in accordance with relevant IS shall be carried out at the manufacturersworks which shall be witnessed by Oil#s engineer(s). Copies of the testcertificates along with bound copies of complete test result shall be submittedfor approval of Head-Electrical prior to dispatch of the relays.

WARRANTY / GAURANTEE:The goods/equipment shall be of best quality and workmanship. The suppliershall guarantee the equipment for a period of 12 (twelve) months from thedate of commissioning against defect arising from faulty design, materialsworkmanship and installation.

INSTALLATION, TESTING AND COMMISSIONING

Page : 3 / 13


Item No./Mat. Code


1. The successful bidder shall install, test and commission the relays atdifferent substations of OIL's operational areas at Duliajan.

200C000155

Supply, installation and commissioning of numerical type motor protectionrelays, as retrofit replacement for English Electric make CTMM-501/502 ormot-PRO type relays.

Specification for numerical type motor protection relay:

PROTECTIONS :

1. Instantaneous and definite time-over current protection (phase/neutral)( 50,50N I>, I>>, I>>>)2. Inverse time-over current protection (phase) (51, Ip),3. Displacement voltage, zero-sequence voltage (59N/64 VE, V0>)4. Breaker failure protection (50BF)5. Phase-balance current protection (negative-sequenceprotection)(46 I2>)6. Starting time supervision (48)7. Thermal overload protection (49 )8. Load jam protection (51M)9. Locked rotor protection (14)10. Restart inhibit (66/86)11. Temperature monitoring via internal RTD inputs or external device(RTD-box),( 38)e.g. stator winding temperature monitoring minimum 6 nosRTD.12. Under voltage/over voltage protection (27, V<,V>) (Optional)13. Over frequency/ under frequency protection (81O/U f>, f<) (Optional)14. Trip circuit supervison(74TC)

FEATURES:

Numerical microprocessor based motor protection relay.1. Rated current: 1 and 5 for all units.Thermal withstand:(i) 1 second @100A rated current.(ii)2 second @40A rated current.(iii) Continuous @3A rated current(iv)Rated frequency: 50HZ.(v) Relay burden:<1.5 VA.

2.PHASE SHORT CIRCUIT(i)Pickup Level:

2.0 to 20.0 x In steps of 0.1 of any one phase(ii)Time Delay: 0 to 1000 ms in steps of 10(iii)Timing Accuracy:< 50 ms(iv)Elements: Trip

3.REDUCED VOLTAGE START(i)Transition Level: 25 to 300% FLA in steps of 1(ii)Transition Time: 1 to 250 s in steps of 1(iii)Transition Control: Current, Timer, Current and Timer

14 NO

Page : 4 / 13


Item No./Mat. Code


4.OVER LOAD/STALL PROTECTION/THERMAL MODEL(i) Overload Curves: Standard Overload Curves, Custom Curve, Voltage

Dependent Custom Curve for high inertia starting (all curves time out againstaverage phase current) curve biasing, Phase Unbalance Hot/Cold CurveRatio.(ii)Over load Pickup: 0.60 to 1.25 (for service factor)(iii)Pickup Accuracy: as per Phase Current Inputs(iv)Timing Accuracy: ±100 ms or ±2% of total time(v)Elements: Trip and Alarm

5. MECHANICAL JAM(i)Pickup Level: 1.01 to 3.00 x FLA in steps of 0.01 of any one phase,blocked on start(ii)Time Delay: 1 to 30 s in steps of 1(iii)Pickup Accuracy: as per Phase Current Inputs(iv)Timing Accuracy: ±0.5 s or ±0.5% of total time(v)Elements: Trip.

6.UNDER CURRENT(i)Pickup Level: 0.01 - 0.99 x CT Trip 0.01 - 0.95 x CT Alarm in steps of0.01(ii)Time Delay: 1 to 60 s in steps of 1(iii)Block From Start: 0 to 15000 s in steps of 1(iv)Pickup Accuracy: as per Phase Current Inputs(v)Timing Accuracy: ±0.5 s or ±0.5% of total time(vi)Elements: Trip.

7.CURRENT UNBALANCE(i)Unbalance: I2 / I1 if Iavg > FLA I2 / I1 x Iavg / FLA if Iavg < FLA(ii)Range: 0 to 100% UB in steps of 1(iii)Pickup Level: 4 to 40% UB in steps of 1(iv)Time Delay: 1 to 60 s in steps of 1(v)Pickup Accuracy: ±2%(vi)Timing Accuracy: ±0.5 s or ± 0.5% of total time(vii)Elements: Trip.

8.PHASE DIFFERENTIAL(i)Pickup Level: 0.05 to 1.0 x CT primary in steps of 0.01 of any one phase(ii)Time Delay: 0 to 1000 ms in steps of 10(iii)Pickup Accuracy: As per Phase Differential Current Inputs(iv)Timing Accuracy: <50 ms(v)Elements: Trip.

9.GROUND INSTANTANEOUS(I0)(i)Pickup Level: 0.1 to 1.0 x CT primary in steps of 0.01(ii)Time Delay: 0 to 1000 ms in steps of 10(iii)Pickup Accuracy: as per Ground Current Input(iv)Timing Accuracy: <50 ms(v)Elements: Trip.

10.ACCELERATION TIMER(i)Pickup: Transition of no phase current to > overload pickup

Page : 5 / 13


Item No./Mat. Code


(ii)Dropout: When current falls below overload pickup(iii)Time Delay: 1.0 to 250.0 s in steps of 0.1(iv)Timing Accuracy:±100 ms or ± 0.5% of total time(v)Elements: Trip.

11.JOGGING BLOCK(i)Starts/Hour: 1 to 5 in steps of 1(ii)Time between Starts: 1 to 500 min.(iii)Timing Accuracy: ±0.5 s or ± 0.5% of total time(iv)Elements: Block.

12.RESTART BLOCK(i)Time Delay: 1 to 50000 s in steps of 1(ii)Timing Accuracy: ±0.5 s or ± 0.5% of total time(iii)Pickup: 1 to 250°C in steps of 1(iv)Pickup Hysteresis: 2°C(v)Time Delay: 3 s(vi)Elements: Trip & Block RTD

13.UNDERVOLTAGE(i)Pickup Level:

Motor Starting: 0.60 to 0.99 x Rated in steps of 0.01Motor Running: 0.60 to 0.99 x Rated in steps of 0.01 any one

phase(ii)Time Delay: 0.1 to 60.0 s in steps of 0.1(iii)Pickup Accuracy: as per Voltage Inputs(iv)Timing Accuracy: <100 ms or ±0.5% of total time(v)Elements: Trip

FUNCTIONS:1.Motor statistics Control functions/programmable logic.2.Disturbance recorder and sequential events recorder.3.LCD display (26-characters, 2 lines)4.The disturbance recording functions should be integrated in the relaymodule.5.Atleast last 5 fault records, 500 event records and 10 Waveforms duringfault should be recorded and stored in the relay. Further the record detailscan be downloaded to PC/laptop.The disturbance recorder shall have facilityto record at least 4 Nos. external digital signals apart from digital signals fromrelay.6. Comprehensive metering functions7. Have front RS232 port for connecting Lap Top (Suitable connectingcards/converter to be supplied) and rear RS485 or Fibre optic port for localand remote communications. However for uniformity all the relays shall beprovided either internationally acceptable open protocols likeIEC-60870-5-103/MODBUS/DNP3 with RS 485 port or Fibre optic port at therear. Have time synchronisation facility.8.The offered relay shall have measurement functions such as 3 phase &neutral current(primary as well as secondary), voltages, Power, energy,Power factor and system frequency with facility to see the maximum as wellas minimum values.9.All the key datas , storage of event logs, trip logs, fault records and statisticsdocuments are stored in the relay to facilitate the user or operator.

Page : 6 / 13


Item No./Mat. Code


10.Oscillographic fault records feature.11.The relay enclosure shall be dust tight having degree of protectionminimum as IP5X and the relay front fascia should have IP54 degree ofprotection.12. Emergency Start up:The provision should be provided to allow motorstart-up in case of emergency although the restart inhibit function is active. Itshould ignore the thermal overload protection, cumulative start-up timecounter, temperature protection and external restart inhibit when it is active.13.Auxiliary Power Supply:The relay shall be suitable to accept a)110-220 VDC supplies with tolerance of +/- 20%.for 9 nosb)24-60 V DC supplies with tolerance of +/- 20%.for 5 nos14.Numerical relay shall have Permanent self monitoring of relay healthinessof all hardware and software elements.15. Numerical relay shall have password protection feature.

MOUNTING:The numerical relay shall be flush mounting withdrawble type as retrofit to EEmake make CTMM-501/502 or mot-PRO type relays.During withrawal,CTshould be getting shorted automatically.

GENERAL REQUIREMENTS:

1. These relays are required to be replace existing EE make electromechanical/electronics relays. The numerical relays should be able to fit in tothe existing cradle of flash mounting as retrofit using the same type of drawout contact fingers for pressure type connections.2. Offer shall be complete with a Laptop with suitable hardware connections,communication hardware/ cables, relay attachments and protocol convertersetc. as required.3. The offer shall include software for relay setting control/monitoring as wellas for disturbance recording. The software shall be windows based, andstandard PC. The software shall be supplied by the relay manufacturer andshould be licensed to Oil India Limited. Back up copies of the software shouldbe supplied on a CD or any suitable media.4. All relay parameters should be programmable from the relay itself as wellas a central computer to be connected to all the relays. It should be possibleto examine all relay parameters, e.g. relay settings, relay current, faultcurrent, event etc. from the relay as well as the computer. It should also beensured that in case of a computer or communication link failure, the relayshall continue to function without interruption.5. The relay should provide a visual indication of operation at the front fasciaas well as on the central computer if connected.6. Display on the front fascia shall be alphanumerical backlit LCD type.7. The menu shall have a pull down structure for ease of use and quickaccess to any data.8. Manual auto reset of the alarm and relay shall be available at the front sideof the relay as well as the central computer.9. The relay should not cause electro magnetic/RF Interface to PLC circuits inthe vicinity. This shall be clearly stated in the offer.10. The relay shall be suitable for a substation automation system to providea total system solution. The software shall be capable of latest up-gradation(to provide a coordinated and integrated protection concept).11. The offer shall include any special device required for testing of the

Page : 7 / 13


Item No./Mat. Code


numerical relays.12. Stabilized against unwanted operation at faults out side the protectionarea and at any inrush.13.The relay shall conform to the requirements of IS:3231 / IEC60255standards in respect to features/ construction/design etc.14. Bidders shall filled up the data sheet as per ANNEXURE-B. Offer withoutData sheet shall be considered as incomplete specification and may berejected.

INSTALLATION, TESTING AND COMMISSIONINGThe succesful bidder, in case of order,shall install, test and commission therelays at different substations within the OIL's operational areas at Duliajan asper terms & conditions of Installations, Testing and Commissioning.

TEST AND INSPECTION:The equipment shall be inspected by engineer(s) of OIL prior to dispatch.Test in accordance with relevant IS shall be carried out at the manufacturersworks which shall be witnessed by Oil#s engineer(s). Copies of the testcertificates along with bound copies of complete test result shall be submittedfor approval of Head-Electrical prior to dispatch of the relays.

WARRANTY / GAURANTEE:The goods/equipment shall be of best quality and workmanship. The suppliershall guarantee the equipment for a period of 12 (twelve) months from thedate of commissioning against defect rising from faulty design, materials,workmanship and installation.

300C000155

Supply, installation and commissioning of numerical type Transformerprotection relays, as retrofit replacement of English Electric makeTransformer differantial type:DTH 31 model no: DTH31FF 8007A(M) andcombined over current & earth fault relay type:CDG model no: CDAG 51FF8081ER (M) and all aux mechanical relays. Transformer vector group isDyn11.

PROTECTIONS :1. Three-winding power transformer, triple slope biased-differential protection(87)2. Differential high set protection (87)3. Over and under voltage protection (27/59)5.Neutral voltage displacement protection (59N)6. IDMTL/DTL phase and ground Over current protection forwindings (50/51P, 50/51N)(three phase fault and one earth fault)6.Thermal overload protection (49)7.Integral restricted earth fault protection for each winding (64R)

8.Basic bias setting 20 to 40% in steps of 10%or15% to 45% in steps of15%.9.Operating current setting range 15 to 30%10.Have an operating time not greater than 35 ms at 3 times normalcurrent.Maximum operating time for instantaneous operation: 25 ms +/-4% ofset value

3 NO

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Item No./Mat. Code


11.Second harmonic,fifth harmonic, magnetising current inrush restraint12 . Under frequency protection (81)13.Circuit breaker failure protection (50BF)14. Trip circuit supervision (74TC)

FEATURES:

Numerical microprocessor based transformer protection relay.Rated current: 1 and 5 for all units.1. Thermal withstand:(i) 1 second @100A rated current.(ii) 2 second @40A rated current.(iii)Continuous @3A rated current(iv)Rated frequency: 50HZ.(v) Relay Burden :<1.5 VA

2.PHASE SHORT CIRCUITPickup Level:

(i) 2.0 to 20.0 x In steps of 0.1 of any one phase(ii) Time Delay: 0 to 1000 ms in steps of 10(iii)Timing Accuracy:Less than 50 ms(iv) Elements: Trip

3. TRANSFORMER DIFFERENTIAL(i)Pickup Level: 0.05 to 1.0 x CT primary in steps of 0.01 of any one phase(ii) Time Delay: 0 to 1000 ms in steps of 10(iii)Pickup Accuracy: as per Phase Differential Current Inputs(iv)Timing Accuracy: Less than 50 ms(v)Elements: Trip.

4.GROUND INSTANTANEOUS(i)Pickup Level: 0.1 to 1.0 x CT primary in steps of 0.01(ii)Time Delay: 0 to 1000 ms in steps of 10(iii)Pickup Accuracy: as per Ground Current input(iv)Timing Accuracy: Less than 50 ms(v)Elements: Trip.

FUNCTIONS:

1. Negative phase sequence protection2.Disturbance recorder and sequential events recorder3.Facility to set transformer Vector group and CT ratio selection/correctionthrough software.4.Integrated current amplitude and vector group compensation whichremoves the needs for interposing CTs5.LCD display (26-characters, 2 lines)6.The disturbance recording functions should be integrated in the relaymodule.7.Atleast last 5 fault records, 500 event records and 10 Waveforms duringfault should be recorded and stored in the relay. Further the record detailscan be downloaded to PC/laptop.The disturbance recorder shall have facilityto record at least 4 Nos. external digital signals apart from digital signals from

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Item No./Mat. Code


relay and currents in HV & LV windings.8. Neutral voltage displacement protection9. Comprehensive metering functions10. Have front RS232 port for connecting Lap Top (Suitable connectingcards/converter to be supplied) and rear RS485 or Fibre optic port for localand remote communications. However for uniformity all the relays shall beprovided either internationally acceptable open protocols likeIEC-60870-5-103/MODBUS/DNP3 with RS 485 port or Fibre optic port at therear. Have time synchronisation facility.11.The offered relay shall have measurement functions such as 3 phase &neutral current(primary as well as secondary), voltages, Power, energy,Power factor and system frequency with facility to see the maximum as wellas minimum values.12.All the key datas , storage of event logs, trip logs, fault records andstatistics documents are stored in the relay to facilitate the user or operator.13.Oscillographic fault records feature.14.The relay enclosure shall be dust tight having degree of protectionminimum as IP5X and the relay front fascia should have IP54 degree ofprotection.15.Auxiliary Power Supply:The relay shall be suitable to accept 110-220 V DC supplies with tolerance of+/- 20%.16.Numerical relay shall have Permanent self monitoring of relay healthinessof all hardware and software elements.17. Numerical relay shall have password protection feature.

MOUNTING:The numerical relay shall be flush mounting withdrawble type as retrofit to EE

make transformer differential relay type:DTH 31 model no: DTH31FF8007A(M), Bias % 15-45 (three phase) and combine over current & earth faultrelay type:CDG model no: CDAG 51FF 8081ER (M) electro mechanicalrelays.During withrawal,CT should be getting shorted automatically.

GENERAL REQUIREMENTS:1. These relays would replace existing EE make electro mechanical relays.The numerical relays should be able to fit in to the existing cradle of flashmounting as retrofit using the same type of draw out contact fingers forpressure type connections.2. Offer shall be complete with a Laptop with suitable hardware connections,communication hardware/ cables, relay attachments and protocol convertersetc. as required.3. The offer shall include software for relay setting control/monitoring as wellas for disturbance recording. The software shall be windows based, andstandard PC. The software shall be supplied by the relay manufacturer andshould be licensed to Oil India Limited. Back up copies of the software shouldbe supplied on a CD or any suitable media.4. All relay parameters should be programmable from the relay itself as wellas a central computer to be connected to all the relays. It should be possibleto examine all relay parameters, e.g. relay settings, relay current, faultcurrent, event etc. from the relay as well as the computer. It should also beensured that in case of a computer or communication link failure, the relayshall continue to function without interruption.5. The relay should provide a visual indication of operation at the front fascia

Page : 10 / 13


Item No./Mat. Code


as well as on the central computer if connected.6. Display on the front fascia shall be alphanumerical backlit LCD type.7. The menu shall have a pull down structure for ease of use and quickaccess to any data.8. Manual auto reset of the alarm and relay shall be available at the front sideof the relay as well as the central computer.9. The relay should not cause electro magnetic/RF Interface to PLC circuits inthe vicinity. This shall be clearly stated in the offer.10. The relay shall be suitable for a substation automation system to providea total system solution. The software shall be capable of latest up-gradation(to provide a coordinated and integrated protection concept).11. The offer shall include any special device required for testing of thenumerical relays.12. Stabilized against unwanted operation at faults out side the protectionarea and at any inrush.13.The relay shall conform to the requirements of IS:3231 / IEC60255standards in respect to features/ construction/design etc.14.Bidders shall filled up the data sheet as per ANNEXURE-C. Offer withoutData sheet shall be considered as incomplete specification and may berejected.

TEST AND INSPECTION:

The equipment shall be inspected by engineer(s) of OIL prior to dispatch.Test in accordance with relevant IS shall be carried out at the manufacturer'sworks which shall be witnessed by Oil#s engineer(s). Copies of the testcertificates along with bound copies of complete test result shall be submittedfor approval of Head-Electrical prior to dispatch of the relays.

WARRANTY / GAURANTEE:

The goods/equipment shall be of best quality and workmanship. The suppliershall guarantee the equipment for a period of 12 (twelve) months from thedate of commissioning against defect arising from faulty design, materials,workmanship and installation.

INSTALLATION, TESTING AND COMMISSIONING:

The succesful bidder, in case of order,shall install, test and commission therelays at different substations within the OIL's operational areas at Duliajan asper terms & conditions of Installations, Testing and Commissioning.

Installation & Commissioning10 Installation & Commissioning

INSTALLATION, TESTING AND COMMISSIONING1. The vendor shall install, test and commission the relays (total 33 Nos- 16nos feeder protection, 14 nos motor protection & 3 nos transformerprotection) at different electrical substations in and around Duliajan area, thesubstations will be shown at the time of Installation & Commissioning. Relaysshall be installed in place of existing electromechanical/electronics relay. Allnecessary modifications/retrofit job shall be done by the party at his cost.2. The Relays shall be commissioned by the expert commissioning engineer

1 AU

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from the manufacturer of the product.Final commissioning of the relays shallbe to full satisfaction of OIL.The specialist shall also explain the followingfunctions of the relay to the OILs personnel & Engineers:(i) Function & operation of the relay.(ii) Maintenance, repair and trouble-shooting aspects.

3. The commissioning engineer shall also inspect/check the followings of thepanel in which relays are to be installed:(i)General Inspection(ii)Wiring checking(iii)Insulation checking(iv)CT/PT checking4. The followings shall be the minimum program of installation &commissioning of the new relay:(i)Retrofit job(ii)Insulation checking.(iii)Primary & Secondary current injection test.(iv)Trip and alarm circuit check.(v) Relay operation & function checking(vi) Load test.5. No major change in the field wiring is envisaged. The electronics relays willbe replaced with the retrofit numeric relays without any shutdown of theprimary circuit. The existing configuration is a combined operation on residualcurrent scheme. A copy of the existing scheme may be provided to thesuccessful bidder, if required.6. All works of installation and commissioning shall be carried out incompliance with the latest BIS, IE rule, Indian Electricity Act and NationalElectric Code.7. All safety and local/ Govt. regulations shall be followed during installation,testing and commissioning.8. All tools and instruments required for the installation, testing andcommissioning shall be arranged/provided by the vendor.9. The vendor shall obtain permit to work from OIL's engineer In-chargebefore taking up installation and commissioning works.10.All tests shall be carried out in presence of engineers of OIL and the testresults shall be approved by OIL.11. All test results shall be recorded in proper manner. Six sets of test resultsalong with Six sets of detailed technical literature of the relay shall besubmitted to OIL. The results shall be typed and properly documented.

Special Notes : 1. Bidder must submit detailed engineering drawing (in triplicate) showing dimensional details,specifications of materials, technical brochure / catalouge, failing which offer may be liable forrejection.2. Material shall be procured from the manufacturer or its authrised dealers only. In case ofauthorised dealer, valid dealership certificate shall be enclosed along with the offer otherwise theoffer will not be considered for evaluation.3.All products, shall be of current versions with latesttechnology. The party should have infrastructures for backup services & be able to providetechnical backup services, in case of requirement and shall provide guarantee that the spareparts shall be available for at least another fifteen years.4. Offer shall include type test certificates as per IS 3231/IEC 60255 of the offered product.5. Party shall have to provide test certificates as per specifications and IS 3231/IEC 60255 thespecifications along with the delivery of the item.6. Party shall have to provide minimum 10 sets of operating and maintenance manual with eachitem(for item No 10 & 20)and 3 sets for item no 30, in case of order. Please confirm.

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Tender No. & Date :KID3044P10/07 27.04.20097.The item shall be commissioned by the party's expert personnel and shall explain detailedoperating procedures at our worksite, Duliajan, to our opearating personnels aftercommissioning.8. Item shall be guranteed for at least one year period from the date of commissioning at ourworksite against manufacturing defects, poor workmanship and certificate duly stamped shall bedelivered along with the delivery of the item.9. Make of the Item: ABB, Easun Reyrolle, Areva, Siemens.

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ANNEXURE-A DATA SHEET FOR ITEM 10 ( To be filled up & furnished by the bidder along with the offer) 1. Type of relay/Model offered: 2. Make: 3. Type designation: Protections provided: 1. 3-phase inverse time low set OC protection :Yes/No 2. IDMT curves for OC protection :Yes/No 3. 3-phase definite time low set OC protection :Yes/No 4. 3-phase instantaneous high set OC protection :Yes/No 5. Inverse time low set E/F protection :Yes/No 6. IDMT curves for EF protection :Yes/No 7. Definite time low set EF protection :Yes/No 8. Instantaneous high set EF protection :Yes/No 9. Thermal Overload (true rms) protection :Yes/No Features: 1. Two separate setting groups :Yes/No 2. Cold load pick up :Yes/No 3. Out put relay latching :Yes/No 4. Integrated Circuit Breaker failure protection :Yes/No 5. Broken conductor detection :Yes/No 6. Separate, potential-free trip contacts and alarm contacts available :Yes/No 7. Self check feature of relay available :Yes/No 8. Relay fail indication and alarm contact available:Yes/No 9. Auxiliary voltage failure indication available :Yes/No 10. True rms phase and earth current measurement :Yes/No 11. Peak and rolling demand measurement :Yes/No 12. Thermal state monitoring :Yes/No 13. Numbers of Event recording Numbers: 14. Numbers of fault recording Numbers: 15. Numbers of disturbance recording :Yes/No 16. High immunity to electrical interference :Yes/No 17. Mounting: flush mounting panel cutout as retrofit to EE make CDG vertical type relays :Yes/No. 18. Cases of existing CDG relays shall be used:Yes/No 19. Replacement of relays will be done without involving any change in the existing relay termination:Yes/No 20. Compatible with standard communication protocols like MODBUS, addition to any proprietary protocols :Yes/No 21. Laptop/window XP compatible :Yes/No 22. NT 4.0 compatible :Yes/No 23. User interface: through front panel display , menus and keypad :Yes/No 24. Display: through alphanumeric characters, back lit LCD :Yes/No 25. Menu has pull down structure for ease of use :Yes/No 26. Language :Yes/No

27. Communication capability with other relays/central computer :Yes/No 28. Battery backed real time clock available for accurate time reference :Yes/No 29. Adequate pass word protection :Yes/No 30. Relays can be configured as groups, master / slave:Yes/No 31. Relays shall respond to commands from a central computer: Yes/No 32. Rated Current Ampere (to be stated): 33. Thermal withstand (a) 1sec. Ampere: (b) 2sec. Ampere: (c) Continuous Ampere: 34. Rated frequency: Hz 35. Auxiliary voltage V (AC/DC)(to be stated): 36. Relay Burden (to be stated): VA 37. Accuracy %(to be stated): 38. Suitable for CT type: (a) Phase input (b) Earth input 39. Setting(to be indicated): (a) Phase current (b) Earth current (c) Instantaneous time ( phase & earth ) (d) Drop out time ( t >, t >>, t >>> ) (e) Phase time ( t >, t >>, t >>> ) (f) Earth time ( te >, te >>, te>>> ) (g) Time multiplier setting ( TMS ): (h) Thermal over load : (i) Contacts rating : 40. Hardware included (a) Laptop :Yes/No (b) Communication hardware / cable :Yes/No (c) Relay attachments:Yes/No (d) Protocol converters:Yes/No (e) Others(to be indicated): 41. Software shall be supplied :Yes/No 42. Software shall be licensed to Oil India Limited:Yes/No 43. Backup copy of the software shall be supplied on :Yes/No 44. Software shall be capable of up-gradation to provide a co-ordinated and integrated protection concept :Yes/No 45. Relay parameters can be monitored from a central computer when connected: Yes/No 46. Relay shall work satisfactorily in the event of communication failure:Yes/No 47. Visual indication of operation available at the front fascia, as well as on the central computer :Yes/No 48. Manual / auto reset of the alarm and relay shall be available at the front side of the relay as well as central computer: Yes/No 49. Relays shall cause electromagnetic/RF Interference to PLC circuits in the vicinity: Yes/No 50. List of Customers of offered relay(to be indicated):

ANNEXURE- B DATA SHEET for item 20( To be filled up & furnished by the bidder along with the offer) 1. Type of relay/Model offered: 2. Make: 3. Type designation: Protections provided: 1.Instantaneous and definite time-over current protection (phase/neutral):Yes/No 2. Inverse time-over current protection (phase): Yes/No 3. Displacement voltage, zero-sequence voltage: Yes/No 4. Breaker failure protection :Yes/No 5. Phase-balance current protection (negative-sequence protection):Yes/No 6. Starting time supervision:Yes/No 7. Thermal overload protection : Yes/No 8. Load jam protection : Yes/No 9. Locked rotor protection:Yes/No 10. Restart inhibit:Yes/No 11. Temperature monitoring via internal RTD inputs or external device (RTD-box),( 38)e.g. stator winding temperature monitoring minimum 6 nos RTD. 12. Under voltage/over voltage protection :Yes/No 13. Over frequency/ under frequency protection:Yes/No 14. Trip circuit supervison:Yes/No Features: 1. Two separate setting groups :Yes/No 2. Cold load pick up :Yes/No 3. Out put relay latching :Yes/No 5. Broken conductor detection :Yes/No 6. Separate, potential-free trip contacts and alarm contacts available :Yes/No 7. Self check feature of relay available :Yes/No 8. Relay fail indication and alarm contact available: Yes/No 9. Auxiliary voltage failure indication available :Yes/No 10. True rms phase and earth current measurement :Yes/No 11. Peak and rolling demand measurement :Yes/No 12. Thermal state monitoring :Yes/No 13. Numbers of Event recording Numbers: 14. Numbers of fault recording Numbers: 15. Numbers of disturbance recording :Yes/No 16. High immunity to electrical interference :Yes/No 17. Mounting: flush mounting in panel cutout as retrofit to EE make CTMM/mot-PRO type relays :Yes/No 18. Cases of existing CTMM/mot-PRO relays shall be used: Yes/No

19. Replacement of relays will be done without involving any change in the existing relay termination: Yes/No 20. Compatible with standard communication protocols like MODBUS, addition to any proprietary protocols :Yes/No 21. Laptop/WINDOWS XP compatible :Yes/No 22. NT 4.0 compatible :Yes/No 23. User interface: through front panel display , menus and keypad :Yes/No 24. Display: through alphanumeric characters, back lit LCD: Yes/No 25. Menu has pull down structure for ease of use :Yes/No 26. Language Yes/No 27. Communication capability with other relays/central computer:Yes/No 28. Battery backed real time clock available for accurate time reference :Yes/No 29. Adequate pass word protection :Yes/No 30. Relays can be configured as groups, master / slave: Yes/No 31. Relays shall respond to commands from a central computer: Yes/No 32. Rated Current Ampere(to be indicated): 33. Thermal withstand(to be indicated): (a) 1sec. Ampere (b) 2sec. Ampere (c) Continuous Ampere 34. Rated frequency(to be indicated): Hz 35. Auxiliary voltage(to be indicated): V (AC/DC) 36. Relay Burden(to be indicated): VA 37. Accuracy % (to be indicated): 38. Suitable for CT type: (a) Phase input (b) Earth input 39. Setting: (a) Phase current: (b) Earth current: (c) Time multiplier setting ( TMS ) (d) Thermal over load: (e) Contacts rating: (f) Others protection: 40. Hardware included (a) LaptopL: (b) Communication hardware / cableL: (c) Relay attachments: (d) Protocol converters: (e) Others if any: 41. Software shall be supplied :Yes/No 42. Software shall be licensed to Oil India Limited: Yes/No 43. Backup copy of the software shall be supplied:Yes/No 44. Software shall be capable of up-gradation to provide a co-ordinated and integrated protection concept:Yes/No 45. Relay parameters can be monitored from a central computer when connected: Yes/No

46.Relay shall work satisfactorily in the event of communication failure: Yes/No 47. Visual indication of operation available at the front fascia, as well as on the central computer: Yes/No 48. Manual / auto reset of the alarm and relay shall be available at the front side of the relay, as well as central computer: Yes/No 49. Relays shall cause electromagnetic/RF Interference to PLC circuits in the vicinity: Yes/No 50. List of Customers of offered relay(to be indicated):

ANNEXURE-C: DATA SHEET for item 30 ( To be filled up & furnished by the bidder along with the offer) 1. Type of relay/Model offered: 2. Make: 3. Type designation: Protections provided: 1. Three-winding power transformer, triple slope biased-differential protection (87):Yes/No 2. Differential high set protection (87):Yes/No 3. Over and under voltage protection (27/59):Yes/No 5.Neutral voltage displacement protection (59N):Yes/No 6. IDMTL/DTL phase and ground Over current protection for windings (50/51P, 50/51N)(three phase fault and one earth fault):Yes/No 6.Thermal overload protection (49):Yes/No 7.Integral restricted earth fault protection for each winding (64R):Yes/No 8.Basic bias setting 20 to 40% in steps of 10%or15% to 45% in steps of 15%:Yes/No 9.Operating current setting range 15 to 30%:Yes/No 10.Have an operating time not greater than 35 ms at 3 times. normal current.Maximum operating time for instantaneous operation: 25 ms +/-4% of set value:Yes/No 11.Second harmonic,fifth harmonic, magnetising current inrush restraint:Yes/No 12 . Under frequency protection (81):Yes/No 13.Circuit breaker failure protection (50BF):Yes/No 14. Trip circuit supervision (74TC):Yes/No Features: 1. Two separate setting groups:Yes/No 2. Cold load pick up:Yes/No

3. Out put relay latching :Yes/No 4. Integrated Circuit Breaker failure protection: Yes/No 5. Broken conductor detection: Yes/No 6. Separate, potential-free trip contacts and alarm contacts available:Yes/No 7. Self check feature of relay available: Yes/No 8. Relay fail indication and alarm contact available: Yes/No 9. Auxiliary voltage failure indication available: Yes/No 10. True rms phase and earth current measurement: Yes/No 11. Peak and rolling demand measurement: Yes/No 12. Thermal state monitoring:Yes/No 13. Numbers of Event recording Numbers(to be indicated): 14. Numbers of fault recording Numbers(to be indicated): 15. Numbers of disturbance recording: Yes/No 16. High immunity to electrical interference: Yes/No 17. Mounting: flush mounting in 510 mm x 150 mm panel cutout as retrofit to EE make CDD vertical type relays: Yes/No 18. Cases of existing CDD relays shall be used: Yes/No 19. Replacement of relays will be done without involving any change in the existing relay termination: Yes/No 20. Compatible with standard communication protocols like MODBUS, addition to any proprietary protocols: Yes/No 21. Laptop/WINDOWS XP compatible: Yes/No 22. NT 4.0 compatible :Yes/No 23. User interface: through front panel display , menus and keypad: Yes/No 24. Display: through alphanumeric characters, back lit LCD: Yes/No 25. Menu has pull down structure for ease of use :Yes/No 26.Language English: Yes/No 27. Communication capability with other relays/central computer: Yes/No 28. Battery backed real time clock available for accurate time reference: Yes/No 29. Adequate pass word protection: Yes/No 30. Relays can be configured as groups, master / slave: Yes/No 31. Relays shall respond to commands from a central computer: Yes/No 32. Rated Current Ampere: 33. Thermal withstand(to be indicated): (a) 1sec. Ampere: (b) 2sec. Ampere: (c) Continuous Ampere 34. Rated frequency(to be indicated): Hz 35. Auxiliary voltage(to be indicated): V (AC/DC) 36. Relay Burden(to be indicated): VA 37. Accuracy %(to be indicated): 38. Suitable for CT type(to be indicated): (a) Phase input: (b) Earth input: 39. Setting(to be indicated): (a) Phase current: (b) Earth current:

(c) Earth time ( te >, te >>, te>>> ) (d) Time multiplier setting ( TMS ): (e) Thermal over load: (f) Contacts rating: (g) Others potections: 40. Hardware included (a) Laptop:Yes/No (b) Communication hardware / cable:Yes/No (c) Relay attachments:Yes/No (d) Protocol converters:Yes/No (e) Others if any(to be indicated): 41. Software shall be supplied. :Yes/No 42. Software shall be licensed to Oil India Limited(to be indicated): Yes/No 43. Backup copy of the software shall be supplied on: Yes/No 44. Software shall be capable of up-gradation to provide a co-ordinated and integrated protection concept: Yes/No 45. Relay parameters can be monitored from a central computer when connected: Yes/No 46. Relay shall work satisfactorily in the event of communication failure: Yes/No 47. Visual indication of operation available at the front fascia, as well as on the central computer: Yes/No 48. Manual / auto reset of the alarm and relay shall be available at the front side of the relay, as well as central computer: Yes/No 49. Relays shall cause electromagnetic/RF Interference to PLC circuits in the vicinity:Yes/No 50. List of Customers of offered relay(to be indicated):

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