Section6 Part5rev5 Final

Section IV

Section 6 - Employers Requirements 6-272Section VI. Employers Requirements Part5-13

SECTION VIPART 5TECHNICAL SCHEDULES

TECHNICAL REQUIREMENT AND GUARANTEE SCHEDULE

(A) 33 KV OUTDOOR CIRCUIT BREAKER

( If the Answer to the Deviation Column is YES.Then an explanation shall be provided in the schedule of deviations)

The VCB and CT shall be on one structure

Failure to provide all of the information requested may lead to the rejection of the bid.

Sl NoDescriptionUnitREB

RequirementBidders

Guaranteed ValuesDeviation

(Yes/No)

33 KV CIRCUIT BREAKER (INCOMING/ TRANSFORMER) FEEDER


1Manufacturers Name & CountryRequired

2Manufacturers AddressRequired

3Type Number

--------------------Required

4Maximum Rated voltagekv36

5FrequencyHz50

6Rated Normal CurrentA630

7No of Phases3

8No. of breaks per phaseRequired

9Interrupting mediumVacuum

10Impulse Withstand,kV90

11Short time withstand, 3 sec rmskA25

12Breaking Capacity :

Symmetrical, RMSkA31.5

Asymmetrical, RMSkA

13Short circuit. Making Current, PeakkA62.5

14First phase to clear factor1.5

15Rated transient recovery voltage at 100% rated short cct breaking currentkVPRequired

16Line charging breaking currentsARequired

17Cable charging breaking currentA Required

18Is circuit breaking re-strike free?Y/NYes

19Trip coil currentA

20Trip coil Voltage VDC 110

21Is the circuit breaker trip free?Y/NYes

22Type of Main Contact

---------------------

Materials of Contact surfaces Required

Contact Resistance

Required

23Weight of circuit Breaker unit complete, without operating

mechanism and structureKg.Required

24Wt. of circuit Breaker complete with all fittings as in service.Kg.Required

25Maximum shock load imposed on floor or foundation when

opening under fault conditions

(State compression or tension)NRequired

Operating Particulars :

26Rated Breaking TimeCycle

---------------------

Rated Closing timemS

---------------------ms

msRequired

27Maximum Arc duration of any duty cycle of IEC 56-2msRequired

28Rated Operating Sequence0-0.3sec-CO-3min-CORequired

29Rated voltage of spring winding motor for closing.V240 AC

30Spring winding motor currentARequired

31Closing release coil currentARequired

32Closing release coil voltageV110 DC

33Minimum clearance in air :

Between phasesmm370

Phases to earthmm325

Across circuit breaker polesmm

Live conductor to ground levelmm

Live insulator to ground levelmm

34Material of Tank or ChamberRequired

35Material of Moving Contact tension rod.Required

36Period of time, equipment has been in serviceYears2

37Period of time, equipment has been under manufactureYears5

38No. of tripping coilNos.2

39Creepage distance (minimum)kv/ mm25

40Life of InterrupterYearsRequired

41Pressure in vacuum tube for VCB,Bar

Guaranteed Number of Operation

For CB without maintenance:

At rated current switchingNos.

At short circuit current switchingNos.100

42All current carrying parts of CB shall be made ofCopper

43Number of spare auxiliary contacts ( NO + NC)Nos.4+4

TECHNICAL REQUIREMENT AND GUARANTEE SCHEDULE

(B) 11 KV AIR INSULATED FEEDER AND ACR



Failure to provide all of the information requested may lead to the rejection of the bid.Sl NoDescriptionUnitREB

RequirementBidders

Guaranteed ValuesDeviation (Yes/No)

INCOMING FEEDER EQUIPMENT UNITS

1Bus bar :

MaterialCopper

Cross Sectionmm2Required

2Applied standardRequired

3Rated nominal voltagekV11

4Rated maximum voltagekV12

5Rated current for main busA1250

6Rated short time currentkA25

7Short time current rated durationSec.3

LINE FEEDER EQUIPMENT UNITS

8Automatic Circuit Recloser (ACR)

Applied StanderdRequired

Rated voltage(max)kV15

Rated currentA630

Rated short circuit breaking currentkA/sec16/3

Rated short circuit making currentkA31

Number of phases3

Rated breaking timecycle5

Opening timemsec.Required

Closing timemsec.Required

Operating curvesRequired

Control voltageV240 V AC

Interrupting chamberVacuum

9Rated frequency Hz50

10Withstand Voltage

AC withstand voltage 1 min. dry kV 28

Basic Impulse levelkV110

11ACR disconnect Switch

Standard :Required

TypeRequired

Rated Voltage(max)kV15

Rated currentA630

Number of Pole1

12ACR bypass Switch :

Standard :Required

TypeRequired

Rated Voltage(max)kV15

Rated currentA630

Number of Pole1

13Dimension and weight(ACR) :

HeightmmRequired

WidthmmRequired

DepthmmRequired

Weight including circuit breakerKg.Required

11 k VOLTAGE TRANSFORMER UNITS

14Voltage Transformer :

Number of phase1

Rated primary voltagekV11/(3

Rated secondary voltageV 110/(3

Rated burden, SecondaryVA50

Accuracy class0.2

15Power Fuse :

Rated voltage kV12

Rated currentA100

Rated short Ckt. breaking currentkA25

16Dimension and Weight :

Height mmRequired

WidthmmRequired

DepthmmRequired

Wt. including voltage transformerKg.Required

17Degree of Protection

EnclosureIP3X

HV Compartment

IP65

LV Compartment

IP40

18Insulation LevelkVRequired

19 a. Multifunction Meter

Manufacturer

b. Current Transformer

Ratio

Required

Required



TECHNICAL EQUIREMENT AND GUARANTEE SCHEDULE(C) 11 kV SWITCHGEAR PANELS AND CONTROL EQUIPMENT


Failure to provide all of the information requested may lead to the rejection of the bid.Sl NoDescriptionUnitREB

RequirementBidders

Guaranteed ValuesDeviation(Yes/No)

Line Feeder Switchgear unit

1.Metalclad SwitchgearRequired

2.Arc fault ContainmentRequired

3.Manufacturers Name & AddressRequired

4.Applied standardRequired

Type of insulationAir

5.Rated nominal voltage

kV11

6.Rated VoltagekV12

7.Rated current for main busA630

8.Rated short time currentkA25

9.Short time current rated durationsec3

10.Circuit Breaker :

TypeVacuum CB

Rated VoltagekV12

Rated CurrentA630

Rated short Ckt. breaking currentkA25

Rated short Ckt. making currentkA62.5

Rated breaking timeCycle5

Opening timeSecRequired

Closing timeSec.Required

Rated operating sequence0-0.3sec-CO-3min-CORequired

Minimum number of operations at rated short circuit current without maintenanceNo.100

Arc fault withstand capabiltyIAC(IEC 62271-200)

Motor Spring charged operating Mechanism:Yes

Manufacturer type designationRequired

Rated voltage closing coil/tripping coilsVDC 110

Rated voltage of motorVDC 110

Number of tripping coils/power consumptiuonNo./W1/W

Number of closing coils/power consumptiuonNo./W1/W

Number of spare auxiliary contacts NO+NC)No.4+4

11.Current Transformer :

Rated VoltagekV12

Accuracy class, Metering0.2

Accuracy class, Protection5P10

Rated current ratioA200-100/5,5

BurdenVA30

12.Rated frequency

Hz50

13.Insulation level

AC withstand voltage 1 min. drykV28

Impulse withstand, full wavekV75

14.Degree of Protection

EnclosureIP4XRequired

HV CompartmentIP65Required

LV CompartmentIP40Required

15.Earthing Switch :

Type

Short Time Current, 3 Secs.kA25

16.Bus bar :

MaterialCopperRequired


17.Dimension and Weight

HeightmmRequired

WidthmmRequired

DepthmmRequired

Weight including Circuit BreakerKg.Required

Voltage Transformer Switchgear units


19.Busbar:

MaterialCopper


20.Rated nominal voltagekV11

21.Rated voltagekV12

22.Rated current for main busA1250

23.Rated short time currentkA25

24.Short time current rated durationsec3

25.Voltage Transformer:

Rated primary voltageV11/(3

Rated secondary voltageV110/(3

Rated burden, SecondaryVA50

Accuracy class0.2

26.Power Fuse:

Rated voltagekV12

Rated currentA10

Rated short circuit breaking currentkA25

27.Insulation level

AC withstand voltage 1 min. drykV28

Impulse withstand, full wavekV75

28.Degree of Protection

EnclosureIP4XRequired

HV CompartmentIP65Required

LV CompartmentIP40Required

29.Dimension and Weight

HeightmmRequired

WidthmmRequired

DepthmmRequired

Weight including Circuit BreakerKg.Required

30 11kV Isolator

Rated Voltage & FrequencykV/Hz11, 50

Maximum Contineous voltagekV12

Rated CurrentA1250

Rated Short time current (1 sec)kA25

Impulse withstand voltagekV75

Power Frequency withstand voltage(1 min)kV28



TECHNICAL REQUIREMENT AND GUARANTEE SCHEDULE(D) 33 kV POTENTIAL TRANSFORMER( If the Answer to the Deviation Column is YES.Then an explanation shall be provided in the schedule of deviations)Failure to provide all of the information requested may lead to the rejection of the bid.SI NoDescriptionUnitREB

RequirementBidders

Guaranteed ValuesDeviation (Yes/No)

1Name of the ManufacturerRequired

2Type & Model NoRequired

3Nominal System VoltagekV33

4Heights System VoltagekV36

5Rated Primary VoltagekV33/(3

6Rated secondary Voltage and Tertiary voltageV110/(3

110/3

7Impulse withstand voltage (1.2/50 micro sec.)kV170

8Power frequency withstand voltagekV70



11Burden/Class

a) Metering windingVA50VA /Class 0.2

TECHNICAL REQUIREMENT AND GUARANTEE SCHEDULE(E) 33 kV CURRENT TRANSFORMERS( If the Answer to the Deviation Column is YES.Then an explanation shall be provided in the schedule of deviations)

Failure to provide all of the information requested may lead to the rejection of the bid.SI NoDescriptionUnitREB

RequirementBidders

Guaranteed ValuesDeviationYes/No

1Name of the ManufacturerRequired

2Type & Model NoRequired

3Voltage-Maximum (Cont.) kV/Hz36

ContinuouskV33

4FrequencyHz50

5Impulse withstand voltagekV170

6Power frequency withstand voltage (1 min.)kV70

7C.T. Ratio

a) Incoming300/150/5-5A

8Number of core--2

9Rated output & accuracy

Incoming

a) core-1 (meas)30VA, 0.2 FS5

b) core-2 (prot)30VA, class, 5P10

10WidthmmRequired

11LengthmmRequired

12Total creep age distancemmRequired

13Short Circuit Current rating (3 sec)kA25

14Total weight of one single phase unit.Kg



TECHNICAL REQUIREMENT AND GUARANTEE SCHEDULE(F) 33 kV SURGE ARRESTER


Failure to provide all of the information requested may lead to the rejection of the bid.Sl

NoDescriptionUnitREB

RequirementBidders


Yes/No

33 KV SURGE ARRESTER


2.Class of diverter to IEC 99-4Heavy duty, ZnO

3.Rated voltage (RMS)kV30

4.Rated currentkA10

5.Neutral connectionEffectively earthed

6.Power frequency withstand voltage of housing:

Dry :kV70 (RMS)

Impulse: kV170

7.Lighting impulse residual voltagekV100 peak

8.Steep current impulse residual voltage at 10 kA or 1 S front timekV110

9.Pressure relief device fitted?

Y/NRequired

10.Leakage current at rated voltageARequired

11.Minimum reset voltageVRequired

12.Total creepage distancemmRequired

13.Surge monitor Required



16Connecting Lead from LA terminal to surge monitor:Shall be Insulated 16 mm2 copper cable

17Overall dimension and Weight :

HeightmmRequired

DiametermmRequired

Total weight of arresterKg.Required

HeightmmRequired

TECHNICAL REQUIREMENT AND GUARANTEE SCHEDULE(G) 11 kV SURGE ARRESTER



RequirementBidders


Yes/No

11 KV SURGE ARRESTER


2.Class of diverter to IEC 99-4Heavy duty, ZnO

3.Rated voltage (RMS)kV10

4.Rated currentkA10

5.Neutral connectionEffectively earthed

6.Power frequency withstand voltage of housing:Required

Dry :kV28(RMS)

Impulse: kV70

7.Lighting impulse residual voltagekVRequired

8.Steep current impulse residual voltage at 10 kA or 1 S front timekVRequired

9.Pressure relief device fitted?

Y/NRequired

10.Leakage current at rated voltageARequired

11.Minimum reset voltageVRequired

12.Total creepage distancemmRequired

13.Surge monitor To be provided

14.Connecting Lead from LA terminal to surge monitor:Shall be Insulated 16 mm2 copper cable

15.Period of time, equipment has been in serviceYears2

16.Period of time, equipment has been under manufactureYears5

17.Overall dimension and Weight :

HeightmmRequired

DiametermmRequired

Total weight of arresterKg.Required

HeightmmRequired

TECHNICAL REQUIREMENT AND GUARANTEE SCHEDULE (H) 11kV CABLES AND CABLE ACCESSORIES( If the Answer to the Deviation Column is YES.Then an explanation shall be provided in the schedule of deviations)


RequirementBidders


Yes/No

11 KV Cables

1.Manufacturers name & addressRequired

2.TypeXLPE

3.Applied StandardRequired

4.Rated frequencyHz50

5.Rated voltagekV10

System voltagekV11

Maximum system voltagekV12

6.Number of cores x Core area1C, 185 mm2

7.Type of phase conductorCompact, Round

8.Material of phase conductorCopper

9.Conductor screen materialSemi conducting PE

10.Screen nominal thicknessmm0.6

11.Type of curingDry Curing

12.Rated current (As per IEC Std.)Required

Ambient temperature (30oC)ARequired

Max. conductor temperature (90oC)ARequired

13.Insulation resistance, +25oC/KmRequired

14.CapacitanceF/KmRequired

15.Type of insulating materialXLPE

16.Dimensions:

Diameter of each strandmmRequired

Diameter of conductormmRequired

Thickness of insulationmmRequired

Thickness of inner sheathmmRequired

Thickness of outer sheathmmRequired

Overall diametermmRequired

17.Approximate weight

Kg./KmRequired

18.Max. conductor resistance, +25oC/Km

19.Power frequency withstand voltagekV15

20.Impulse withstand voltagekV75



23.Drum:Steel

TypeRequired

DiametermmRequired

Cable length/DrumMRequired

24.KIT CONTENT (OUT DOOR)

Termination jointing kit for 11kV XLPE cables 1C, 185 mm2Required

Copper conductor (Outdoor)Required

Heat shrinkable high voltage insulation and non-tracking tubing.Required

Heat shrinkable stress control tubing.Required

Stress relieving mastic strip.Required

Track resistant sealant tape.Required

Heat shrinkable track resistant rain skirtRequired

Support Insulator.Required

Cable preparation Kit.Required

Solderless earth connection KitRequired

Compression lugsRequired

Support Insulators Tee bracketsRequired

Installation Instructions.Required

25.KIT CONTENT (INDOOR):

Termination jointing kit for 11kV XLPE cables 1C, 185 mm2Required

Copper conductor (Indoor)Required

Totally Insulated panel termination type, complete in all respect as suitable for switchgear, plug-in Type.Required

TECHNICAL REQUIREMENT AND GUARANTEE SCHEDULE (I) 33 kV ISOLATOR /EARTH SWITCH( If the Answer to the Deviation Column is YES.Then an explanation shall be provided in the schedule of deviations)Failure to provide all of the information requested may lead to the rejection of the bid.DescriptionUnitREB

RequirementBidders


1. Name of the manufacturerRequired

2. Switch Type & Model Required

3. Rated Voltage & FrequencykV/Hz33, 50

4. Maximum Continuous voltagekV36

5. Rated CurrentA630

6. Rated Short time current (1 sec)kA25

7. Impulse withstand voltagekV170

8. Power Frequency withstand voltage(1 min)kV70

9.Creepage Distance mmRequired

10. Dimension of the supporting steel

structure Required

Height mmRequired

Width mmRequired

Length mmRequired

11. Weight of the phase unitskgRequired

12. Phase center distance mmRequired

13. Period of time, equipment has been in serviceYears2

14. Period of time, equipment has been under manufactureYears5

15. Earth SwitchRequired

ManufacturerRequired

Country of ManufactureRequired

Manufacturer type designationRequired

Reference StandardRequired

Number of years disconnector type in serviceRequired

Nominal system VoltagekV33

Highest system voltagekV36

FrequencyHz50

Rated currentA1250

Type of operating mechanismHand

TECHNICAL REQUIREMENT AND GUARANTEE SCHEDULE (J) 11 kV ISOLATOR


Failure to provide all of the information requested may lead to the rejection of the bid.DescriptionUnitREB

RequirementBidders



2. Switch Type & Model Required

3. Rated Voltage & FrequencykV/Hzs11, 50







10. Dimension of the supporting steel

structure Required

Height mmRequired

Width mmRequired

Length mmRequired





TECHNICAL REQUIREMENT AND GUARANTEE SCHEDULE (K) 33 kV, DOUBLE BREAK SWITCHED FUSE

(If the Answer to the Deviation Column is YES.Then an explanation shall be provided in the schedule of deviations)


RequirementBidders



2. Switch Type & Model Dual BreakRequired

3. Rated Voltage & FrequencykV/Hzs33, 50






9. Fuse TypeRequired

10. Fuse RatingA630


12. Dimension of the supporting steel structure Required

Height mmRequired

Width mmRequired

Length mmRequired





TECHNICAL REQUIREMENT AND GUARANTEE SCHEDULE (L) 33/11.55 kV 5/6.25MVA POWER TRANSFORMERS



RequirementBidders


1. Manufacturers NameRequired

2. Manufacturers AddressRequired

3. Applied StandardRequired

4. TypeOutdoorOil immersed

5. (a)Rated Power

MVAONAN/ONAF 5/6.25 MVA

(b) Overload CapabilityIn accordance with IEC 603564

6. Number of PhaseThree

7. Rated Voltage, Phase to Phase

High Voltage windingkV33

Low Voltage windingkV11.55

8.Rated frequencyHz50--------------------

Hz50

9. Rated insulation level

a) Impulse withstand, full wave

High voltage windingkV170

Low voltage windingkV75

Neutral sideFull insulation

(b) AC withstand voltage

High voltage windingkV70

Low voltage windingkV28

10. Vector Diagram (IEC 76-4)Dyn-11Required

11. Type of Cooling, 10/12.5 MVAONAN /ONAFRequired

12. On load Tap changer (MR Germany or ABB ) with Vacuum SwitchesRequired

TypeRequired

Rated tapkV33

Tap range%- 6 to +15

Numbers of tapTaps15

Tap step%1.5

Location of tapPrimary side

Rated short time currentkARequired

Oil volumeLitreRequired

Duration of one step changesecRequired

Motor ratingkW

13. Impedance voltage at 75o C and at nominal ratio and 100% rated power at principal tap7%Required

14.Temperature rise at rated power (Max. ambient temperature: 40o C)Required

Oil by thermometer deg. C.60

Winding by resistance measurement.deg. C.65

16.Transformer core: Type of core, Max. flux density At nominal voltage

--------------------Tesla1.9

17. Transformer bushings

(a) H.V. Bushing

Voltage classRequired

Cantilever strengthRequired

Transformer bushing HV CTRequired

- Currrent RatioA100/5

- Rated burdenVA30

- AccuracyClass 5P10

18. ConservatorRequired

19. Auxiliary circuit voltage for fan, etc, 3phase 4wireV415/240 AC

20. Control Voltage V110 DC

21. Sound level (IEC 60551)

ONAN(0.3m)dBRequired

ONAF (2m)dB

Documents

Section6 Part5rev5 Final