SPL REPAIR TO 33 KV SUBSTATION UNDER GE NORTH AKHNOOR

Amount

Supply, Erection, wiring, testing and commissioning of new Numerical IDMT relay comprising of 50/51, OL/SC, 51N elements with RS 485 port, Power supply-30VDC, programming, load setting & Time setting as per feeding grid sub-station.IEC 61850, complete all as specified and directed. Make:- L&T/ Schneider / ABB

Supply, Erection, wiring, testing and commissioning of new static under Voltage relay, voltage setting & time setting, complete all as specified and directed. Make:- L&T/ Schneider / ABB

Supply, Erection, wiring, testing and commissioning of new static Over Voltage relay, voltage setting & time setting, complete all as specified and directed. Make:- L&T/ Schneider / ABB

Supply, Erection, wiring, testing and commissioning of new Trip Circuit Supervision relay, complete all as specified and directed. Make:- L&T/ Schneider / ABB

Supply, Erection, wiring, testing and commissioning of new Master Trip relay, complete all as specified and directed. Make:- L&T/ Schneider / ABB

Supply, installation, testing and commissioning in replacement of web based Smart VCB monitoring electrical Parameter for 3.3KV to 33KV supply panel having microprocessor based 4 numbers di/do or Ai/Ao programable based user define inputs and outputs for emergency interrupts along with monitoring of real parameters like Real Current data, Real voltage data, utility meter cross check. The system should featured display :- power factor, ampere, frequency, voltage, Accuracy Class 1.0 for Wh, Accuracy Class1.0 for VARh, kvah. The system monitoring Field configurable password for securing set up information and prevent tampering of integrated values. The system is capable to send the gprs data on cloud for free Web supervision having modem make :SASA/Motrola/ Panasonic. The System should be installed by OEM or Authorised OEM of VCB panel. (Authorised OEM certificate is required before placing the Order ) Make :- L&T/Alstom/Areva Below are the associated parameter lists for analog IO: • Current: Phase wise • Current Average • Current Unbalance: Phase wise • Current Unbalance Worst • Voltage L-L: Phase wise • Voltage L-L Avg

• Voltage L-N: Phase wise • Voltage L-N Avg • Voltage Unbalance L-L: Phase wise • Voltage Unbalance L-L Worst • Voltage UnbalanceL-N: Phase wise • Voltage Unbalance L-N Worst • Active Power: Phase wise • Active Power Total • Reactive Power: Phase wise • Reactive Power Total • Apparent Power: phase wise • Apparent Power Total • PF Total • Frequency • Maximum Demand

SEI/EI/AEI testing will be carried out before commissioning.

(B) REPAIR / REPLACEMENT OF EXISTING ASSETS Supply, Erection, wiring, testing and commissioning of CT 400-200A/ 5-5 A, Core1: 5P20, 15 VA; Core 2: 0.5,1 5 VA Single Phase Fix type, complete all as specified and directed. Make:- Erava/ sasa/ saviour

Supply, Erection, wiring, testing and commissioning of PT Ratio: 11KV/1.732/110V/1.732/110V/1.732, -Core 1: 0.5, 20VA -Core 2: 3P, 20VAc Single Phase Fix type, complete all as specified and directed. Make:- Erava/ sasa/ saviour

Supply and fixing trip coil , closing coil, 30 Volts DC suitable for 11KV VCB, complete all as specified and directed.

Repair, Maintenance & overhauling of HT (11 KV) VCB of capacity 400 Amps to 630 Amps, indoor type complete after taking out trolley, checking of all fixed and moving parts for smooth operations, cleaning with CTC or CRC 226 and rustlick, air blower, replacement of minor parts, checking and repair to locking system, alignment & closing / tripping & charging system including replacement of FRP phase barrier and provideing re-insulation to bus bar with HT tape, repair to heaters and making the complete VCB functional with free and operating mechanism, complete all as specified and directed.

Supply, Erection, wiring, testing in replacement LED Indication fittings for 11 KV panels, complete all as specified and directed. Make L&T/ schnieder/ Siemens

Supply, Erection, wiring, testing in replacement TNC switch, complete all as specified and directed. Make L&T/ schneider/ Siemens

Supply, Erection, wiring, testing in replacement of new Local/Remote switch, complete all as specified and directed. Make L&T/ schneider/ siemens

Supply, Erection, wiring, testing and commissioning of new thermostat and cubicle heater, complete all as specified and directed.

Supply, Erection, wiring, testing and commissioning of new cubicle illumination (LED Type), 5 A rating door switch & 15/5A, 5 pin switch socket module, complete all as specified and directed.

Supply, laying of 7 core, 2.5 sqmm, armoured copper control cables, make: KEI/Havells, ferruling, termination, testing and commissioning of interlocking scheme between 33 kV VCB of T-1 and Incomer-1 to avoid back feeding of supply, complete all as specified and directed. Make:- Havells/ KEI or equivalent

Testing of 11 KV panels: Insulation resistance test of VCB, CTs, PTs, with 5000 VDC megger, power and control circuits with 500 VDC megger, Primary injection of CTs to ensure proper balancing of CT circuit, checking of closing/ tripping of VCBs through T&C switch, tripping through relays by simulating phase to ground fault and phase to phase fault, in local and remote position, checking the proper operation of all indicationsby OEM or Authorised OEM of VCB panel, complete all as specified and directed. Make :- L&T/Siemens/Areva /ABB

Dismantling existing old 30 VDC battery bank-1&2 and Supply, erection, wiring, testing and commissioning of new maintenance free 30 V DC battery bank-1&2 by providing 16 cells of 2.0V, 100 AH rating each and laying of new 2Cx16 sqmm copper cables, PVC sheathed, PVC insulated, armoured having core color code red and black, freuling and termination, complete all as specified and directed. Battery Make :- Exide/ Amron or equivalent, Wire Make :- KEI/ Havells or equivalent

Dismantling defective components of existing old 30 V DC DB viz. DC MCBs, voltmeter, Ampere meter, wiring and cabling, complete all as specified and directed.

Supply, installation, testing in replacement of Battery Charger new components of 32 V DCDB cubicle viz. 2 pole DC MCBs, voltmeter, ampere meter, wiring, cabling, ferruling and termination. a) Double pole MCB for controlling DC supply b) Digital Voltmeter DC, range: 0-50V DC c) Digital Ampere meter DC, range: 0-30A DC Make :- Sasa / panasonic/ Exide/Luminous

Dismantlement of existing old components including wiring of OLTC panel for 33/11 kV, 3.15 MVA, T-1 & T-2 transformer, complete all as specified and directed.

Supply, installation, wiring, retro fitting, testing and commissioning of new components of OLTC panel viz. tap position indicator-1No., remote temperature indicator-2Nos., indication lamp fittings-6Nos., lockable switch for tap position increase/decrease-1No., ON/OFF switches-3Nos, push buttons-3Nos and AVR-1No, complete all as specified and directed. Make :- L&T / Siemens/ areva or equivalent

Disconnection of existing old control cables from OLTC panel of Transformer T-1& T-2 and from transformer marshling box & taking out the control cables, complete all as specified and directed.

Supply, laying of 7C x 2.5 sqmm copper control cables from OLTC panel of T-1& T-2 to Transformer marshling box, ferruling, termination, testing and commissioning of new control cables, complete all as specified and directed.

Complete testing in pressence of Engineer-in-charge power Transformer viz. Insulation resistance test with 5000VDC megger, determination of PI, Transformer Turn ratio test on each tap, DC resistance test of HV (33kV) and LV (11kV) windings on each tap, Magnetizing current test, Voltage balance test, testing of bottom oil sample for its dielectric strength. Testing of all the protective provisions viz. Buchholz alarm and trip circuits of main and OLTC tank, Oil temperature alarm and trip circuits and settings of oil temperature gauge for alarm and trip, winding temp alarm and trip circuits and settings of wdg. temp. gauge for alarm and trip. Low oil level alarm circuit, checking of breather for proper oil level, size of silicagel etc., complete all as specified and directed.

Taking out all the defective components after dismantlement, disconnection of control cables from both ends i.e. from 33 kV VCB and 33 kV C&R panel of T-1 and T-2, cleaning and maintenance, complete all as specified and directed.

Supply , installation, wiring, testing and commissioning of new components-6 Nos. HRC fuse units, 2 pole MCB for DC supply, 1 No. local/remote switch, 1 No. T&C switch, 1 No.15/5A switch socket module, 1 No. heater ON/OFF switch, 1 No. 5A door switch for cubicle illumination, i No. holder and LED lamp, 1No. closing and 1 No. trip coil 30 VDC, complete all as specified and directed. Make:-L&T/ siemens/ Areva or equivalent

Disconnection of damaged CT secondary wiring and taking out damaged control cables from CTs to 33 kV C&R panel of T-1& T-2, complete all as specified and directed.

Complete testing of 33 kV CTs before putting them in service to ensure their healthyness, as the CTs remained in open circuited condition due to damaged CT secondary wiring. Tests: Insulation resistance test, CT ratio test, CT Polarity Test, CT Knee point voltage test. test by OEM or Authorised OEM of VCB panel, complete all as specified and directed. Make :- L&T/Siemens/Areva

Supply and Erection of new CT Junction box for termination of CT secondary wiring from 33 kV CTs having open type terminals 24 Nos all as specified and directed.Make dvepl / adlac / tricolite

Supply, laying of 4 core, 2.5 sqmm, armoured copper control cables inch ferruling, termination, testing and commissioning from 33 kV CT & PT to their junction boxes and thereafter to 33 kV C&R panel of T-1 and T-2 all specified and directed. Make KEI/Havells/Polycab

Disconnection of damaged PT secondary wiring and taking out damaged control cables from PTs to 33 kV C&R panel of T-1 & T-2, complete all as specified and directed.

Complete testing of 33 KV PTs. Tests: Insulation resistance test, PT ratio test, PT polarity test by OEM or Authorised OEM of VCB panel, complete all as specified and directed. Make :- L&T/Siemens/Areva

Supply and Erection of new PT Junction box for termination of PT secondary wiring from 33 KV PTs having open type terminals 30 Nos, complete all as specified and directed. Make:- dvepl/ adlac/ tricolite

Disconnection of damaged control cables and taking out these cables from Isolator control cabinet and 33 kV C&R panel of T-1& T-2, complete all as specified and directed.

Supply, laying of 7C x 2.5 sqmm copper control cables of KEI/Havells make,ferruling, termination, testing and commissioning of control cables from 33 KV Isolator control cabinet to 33 kV C&R panel of T-1& T-2 for indications and semaphore, complete all as specified and directed.

(C) SCADA SYSTEM Design, Develop, Integrate, Commissioning and Testing of SCADA system for Master Monitoring station with Automatic monetering of 10 No 11 KV breakers to operate the system and act as a user controlled with visual annunciatian panel with wired transmitter/receiver unit modem GSM/ GPRS/ internet/ based network for SCADA Remote monitoring & operation of complete substation with command from PLC/microprocessor for switching on & off of breakers set as per the electrical sysyem along with control feed back from relays from all breakers and should be capable to over ride the system manually in case of Auto failure. The system should be backed up with UPS supply for minimum half an hour for delivering on line report in case of power supply failure. The system will also have an display for complete electrical distribution with Visual information for the breakers set status position it should be capable to send SMS for any fault information as per pre defined text for particular tripping which can be inter linked with SCADA system. The panel shall be wall/floor mounting and shall be of suitable size made of 2 mm/1.6 mm CRCA sheet duly powder coated. The make of control panel and automation development shall be DVEPL/ TRICOLITE/ADLAC. The specified firm can not authorised any other vendor to manufacture panel on their behalf & purchase vouchers from original manufacturer will only be accepted.

The SCADA system should also have the following :- (a) All data transfer from RCCI control panel, HMI within MRS should be through wired (b) The system should have the capability to accommodate 50% future expansion. (c) The system is projected to monitor the parameter on VCB 11 KV panel installed in MRS (Tanda) immediate after power transformer and VCB panel. (d) When abnormal condition occur within a process, SCADA system should trigger alarms to notify operators that some thing is wrong. Alarm notifications be personal in the form of audible displays, emails, SMS notifications to more than 05 contact Nos assigned in HMI as directed by Engineer-in-Charge. (e) GE (North) Akhnoor will provide line diagram and layout of existing assets at MRS in corroborate with the planned PLC based panel to software designing/ developing agency. (f) Executing Agency shall have an experience in past of execution for such type of work. Otherwise, design shall be vetted by IIT/NIT prior to submission for approval of Accepting Officer. (g) Contractor shall provide all software and licences in the name of employer and software updation free of cost for 10 years. An amount equal to the amount of security deposit calculated as per scales laid down for individual Security Deposit’ on the amount of SCADA system at the contract rates under the contract shall be retained out of final bill amount as security deposit for the software updation and it shall be released to the contractor only after expiry of guarantee period.

(j) SCADA software which should also be operated, programmed and modified by agencies other than developer. (k) Operating system, system software and programming shall not be intellectual property of any agency. (l) The responsibility of the agency is restricted of transformer, VCB, distribution panels, LT/HT lines etc. Such repairs shall be carried out by MES. Transmitters, sensors, switches shall be considered part of SCADA automated system. (m) Operation and maintenance charge to be paid separately. (n) The SCADA system shall have provision of both manual and automatic operation of installations.

Operate SCADA system during defect liability period of two (02) years Note : Cumulative payment shall be made on not exceeding basis as per following schedule :- (a) After completion of 1st year of defect liability period 50% (b) After completion of 2nd year of defect liability period 100%

Operation and Comprehensive maintenance of SCADA system including cost of spares for five (05) years post defect liability period Note : Cumulative payment shall be made on not exceeding basis as per following schedule :- (a) After completion of 1st year (post defect liability period ) 20% (b) After completion of 2nd year (post defect liability period ) 40% (c) After completion of 3rd year (post defect liability period ) 60% (d) After completion of 4th year (post defect liability period ) 80% (e) After completion of 5th year (post defect liability period ) 100%

Jiwan Singh

DOGRA ENGINEERS WORKS