PROVN OF 11 KV UG CABLE AND TRANSFORMER AT MAIN RECEIVING STN AT SEVOKE ROAD MIL STN

Amount

Schedule 'A'

Supply,installation, commissioning ,design,engineering, manufacture, inspection,painting and testing complete with all accessories of transformer of capacity 3.15 MVA step down, outdoor floor mounted, double copper wound,3 Phase, 50 Hz, Oil immersed, ONAN confirming to IS-2026 including, external cooling tubes/radiator cores type having voltage ratio 33000/11000 volts (corresponding to principal tapping ) winding delta connecting on Primary side (HV Side) and star connected on secondary side (LV side) in accordance with vector symbol Dyn11 (vector Group) with neutral brought out on LV side and looping on HV side for contact output so as to alter/vary secondary voltage by (+) 5 to (-) 15% in equal steps of 1.25% to be changed by means of (OLTC) on load Tap Changer with RTCC and AVR. Supply , installation of RTCC panel with AVR and marshaling box . Transformer shall be of BOLTLESS core design. Transformer shall be double wound, core type with low loss, non ageing, high permeability PRIME GRADE, CRGO with m4 grade or Better, Perfectly insulated and clamped to minimize noise and vibrations, core shall be purchased directly from manufacturer of core or from their accredited marketing network and not through any agent.. The limit of termperature rise after continous full load runs as specified in IS shall be suitably adjusted to suit the ambient temperature of maximum 50 degree celsius prevailing at site all as specified and directed including having following characteristics :- (a)The transformer shall confirm to the latest edition of applicable standard as follows :- (i) IS-2026, for tests and tolerance of guarnteed Particulars, (ii) IS-3639 for Fitting and accessories (iii) IS2099 for Bushing >1000V (iv) IS-7421 for Bushing <1000v (v) IS-1271 for Electrical insulation classified by Thermal stability (b) Insulation Level KVp (i) HV-170 (ii) LV-75 (c) Insulation level (Power frequency one min withstand KVrms) (i) HV 70 (ii) LV-28 (d) Tapping Range -(+)5% to (-) 15% @1.25% (i) Tape Changer Type -On load Tap Changer +RTCC+AVR. AVR shall be communicable on ModBus protocol for SCADA integration. (ii) Temperature Rise (Oil/Winding) -50/55 Degree Centigrade (iii) Hot spot temperature over a meximum yearly weight average ambient temp of 32 Degree Centigrade-98 Degree Centigrade (iv) Termination HV/LV-Porcelein insulators/Cable Box (v) Short Circuit thermal withstand time-02 seconds (vi) %impedance at 75 degree cent rated current and frequency (Subject to IS Tolrance) at 3.15 MVA base7.15% (vii) No load loss at rated voltage and frequencyon not exceeding basis -3 KW (viii) Load loss at rated current at 75 degree C on not exceeding basis -16 KW (ix) Regulation at full load 0.8 PF%.-5.75 (x) Regulation at full load up f%-1.05 (e) The transformer should have following fitting and accessories :- (i) Cable Boxes on 11 KV secondary side for single core XLPE cable 3 Nos x 185 Sqmm (ii) Porcelein insulators on 33 KV primary side for 400 A type wolf .ACRS conductor. (iii) Oil conservator with filling hole and cape drain valve and oil level guage. (iv) Dehydrating breather wth connecting pipe first fill of dehydrating agent and oil seal. (v) Explosion relief vent mounted on tank with double diaphragm and equilizer pipe connection to conservator air space (Pressure release device) (vi) Air relief plug. (vii) Shut off valve between the conservator and buchholz relay. (viii) Drain valve with threaded adopter. (f) Filter valve with threaded adopter (Top and bottom). (i) Wheels (ii) Rating plate and terminals marking plate. (iii) Extra bushing for neutral out side the LV Side (iv) Hand hole sufficient size to assess the interior of the tank. (v) First filling of the transformer oil. (vi) Cover Lifting eyes. (vii) Double float Buchholz relay with trip and alarm contacts. (viii) 150mm dial type thermometer for winding temperature indicator, vapor pressure type with maximum reading pointer/Max temperature indicator and resetting device with alarm/trip contact (ix) 150mm dial type thermometer for oil temperature indicator with 02 sets of contacts for alarm and trip centigrade vapor pressure type with maximum reading pointer/Max temperature indicator and resetting device with alaram/trip contact . Accuracy class shall be +/-1% or better. (g) Maximum flux density in any part of the core and yoke at rated MVA with +12.5%combined voltage and frequency variation from rated voltage and frequency- 1.9 Tesla (h) The maximum flux density in any part of the cores and yoke at normal voltage and frequency shall not be more than 1.69 Tesla (j) Cost of construction of foundation including construction material and MS rail, necessary earth work and excavaton as per manufacturer design for power transformer complete all as required at site are deemed to be included in the quoted rate. (i) Shut off valve between cooling tubes and tank. (ii) Pressure Release Valve (PRV) with one set of trip contact. (iii) Magnetic Oil gauage (MOLG) with one set of trip contact. NOTE:- (i) The oil temperature and winding temperature guages shall be housed in a marshaling box made up of MS sheet as per manufacturer recommendations with hinged door and having glass front side of the box and provision for entry of cables and compression glands. (ii) Following documents to be submitted for core before manufacturuing transformer: (a) Invoice of supplier (b) Mills test certificates (c) Packing list (d) Bill of lading (e) Bill of entry certificates by customs

M&L for earthing complete with copper earth plate electrode 60 x 60 cm 3.15 mm thick burried directly in ground (in vertical position) earth pit not less than 2.25 mtr below normal ground level with the top edge of the earth plate not less than 1.5 mtr (B.G.L.) and connected to copper earth strip 25X3 mm by means of bolts, nuts, check nuts, and washer of galvanized iron including PCC (1:2:4) type B1 precast RCC cover slab with suitable handle made of 6 mm round bar, including necessary excavation and earth work in any type of soil, 20 mm dia med grade galvanized steel tube for watering with one end fixed with cast iron funnel and wire mesh, 40 mm bore light grade galvanized steel tubing up to 7.5 mtr length for drawing earth lead strip protection & common salt, charcoal in alternate layers etc. complete all as shown in EP No 3 of SSR Part 1 and testing on completion complete.

S&F earth continuity conductor or main earthing lead 32 x 6 mm copper strip fixed to indicated situation for loop earthing as reqd beyond 7mtrs of each earthings. (Note:- Earth strip should be bonded with each other duly welded as directed.)

Supply, laying & testing HT Cable XLPE insulated, screened PVC bedded, galvanised steel strip or wire armoured electric power cables (heavy duty) with aluminium Conductor, 11000 volts grade cross sectional area of size 185 sqmm 3 core complete all as specifed and directed. Note : Specification of cable shall be as under :- (a) Inner sheating shallbe of extruded PVC. (b) Cable shall also be supplied with sequences hall marking at every metre on the inner sheating. (c) Ultra voilet radiation resistance comounded as per EIC specification. (d) Abtu rodebt abd antitermite compound added. (e) PVC compounds of carous grades ad IS-5831 (f) Compaction conductors shall be shaped and arrangment to the same will be on the cable.

Supplying, laying, testing cable XLPE insulated, screened, PVC bedded, galvanised steel strip or wire armoured electric power cables (heavy duty) with stranded Al conductor, 11000volts grade of size 120 sqmm 3 core complete all as directed. Note : Specification of cable shall be as under :- (a) Inner sheating shallbe of eextruded PVC. (b) Cable shall also be supplied with sequences hall marking at every metre on the inner sheating. (c) Ultra voilet radiation resistance comounded as per EIC specification. (d) Abtu rodebt abd antitermite compound added. (e) PVC compounds of carous grades ad IS-5831 (f) Compaction conductors shall be shaped and arrangment to the same will be on the cable.

M&L for steel tubular swaged poles complete with cast iron base plate, final taper plug bolts, nuts & screw as specified type 410 SP-55, 11.0 meter long all as specified and directed by Engr-in-Charge. Make: Jindal/ Kwality steel Industries / Bansal Metal Works/ Calcutta Poles & tubes.

Supply and fix cable jointing kit for 11KV grade cable for indoor termination, heat shrink type, joint complete with jointing material and accessories suitable for 3 core XLPE armoured Al conductor cable of size 120 - 185 sqmm.

Supply and fix cable jointing kit for 11KV grade cable for outdoor termination, heat shrink type, joint complete with jointing material and accessories suitable for 3 core XLPE armoured Al conductor cable of size 120 - 185 sqmm.

M&L for disc type polymer composite insulators, ball and socket type spindle suitable for working pressure 11 KV complete all as specified and as directed by Engr-in-charge.

M&L for pin type polymer composite insulators, ball and socket type spindle suitable for working pressure 11 KV complete all as specified and as directed by Engr-in-charge.

M & L for Cross arms, bracings, supports, clamps fabricated rectangular pole structure & back plates fabricated from structural steel sections including nuts, bolts, washers welding, bending, cold or hot drilling holes for bolts, in any shape or size as directed and inclusive of one primer coat, one under coat and one finishing coat of Aluminium paint all as directed.

Excavation in trenches not exc 1.5 Mtr and not excl 1.5 Mtr deep soft/loose type of soil getting out and levelling of bottom surface to required level for cable/ stay complete all as specified and as directed.’’

Returning, filling in, including spreading, levelling, watering and well ramming in layers not exceeding 25 cm thick complete all as specified and as directed.’’

Removing excavated soil to a distance not exc 50m and depositing where directed at a level not exc 1.5m above the starting point complete all as specified and as directed.’’

M&L for providing sand cushioning for protection of UG cable 8 cm below and 15 cm above in trenches with dry (coarse) sand approved quality including filling, spreading and punning down to desired thickness complete.

Supply and laying unreinforced precast concrete cable cover class HV type 1 flat size 300x180x40mm all as specified and directed.

Supply and fixing GI pipe 80 mm medium grade for UG cable protection with all fitting fixed to pole or laid in trenches or laid in floor/ road all as directed.

Demolition of concrete of any description and in any position not otherwise specifically provided complete all as specified and directed.

M&L for PCC (1:4:8) (40 mm graded aggregate) Type C2 for base foundation of pole, stay incl frame work where reqd all as directed.

M & L for plain cement and concrete (1:3:6) type C-2 using 40 mm graded stone aggregate as in foundation or in any situation as require and directed.

M & L for plain cement and concrete (1:2:4) type B-1 using 20 mm graded stone aggregate as in foundation or in any situation as require and directed.

Material and labour for spreading 40 mm graded stone aggregate in layers n.exc 15 cm thick around the 2 pole/ 4 pole / or as pointed structure, at different locations complete all as directed by Eng-in-charge.

Supply and fix cable jointing kit for 11KV grade cable for straight through joint, cold shrink type, joint complete with jointing material and accessories suitable for 3 core XLPE armoured Al conductor cable of size 120-185 sqmm.

Supply,installation,testing & commissioning of 11 KV Outdoor type 5-way Ring Main Unit floor mounted with internal copper bus bars, consisting of 2 nos. fixed motorized Load Break Switches and 3 nos. fixed type motorised Vacuum Circuit Breaker (2 Incoming & 3 Outgoing). All live parts, bus bars, LBSs connections of RMU should be enclosed in one tank to avoid multiple interconnections & sealed for life robotically welded non magnetic and non ferrite grade stainless steel tank Grade 304 of minimum 3 mm thick having IP67 degree of protection filled with SF6 gas as insulation with leakage rate less than 0.1% per year tested as per IEC 62271-200. . The unit shall have front cable entry for ease of installation and shall have site replaceable bushings for ease of troubleshooting during breakdown.RMU should be complete with all accessories such as Terminal kits suitable for 1Cx120sqmm Cable, VPIS, cable supports, all front cable terminations, mechanical indications for Load break switch ON/OFF, Manometer as per with IEC standards 62271-200, 60056, 60129, 60265, 60298, 60420, 60529 and 60694. Altitude of installation up to 1500m as per IEC 60120. Bushings bolted type top mounted outside the tank for connection of external bus bar .The unit shall include the following with all necessary standard fitting required at site.The Vacuum Bottle shall be of same make as that of RMU to ensure better life cycle optimization for the RMU. (a) Each 630A Load Break Switch module with fault passage indicator and flashing LED for making of fault current alongwith Earth Switch of full making (i) capacity-2 nos. (ii) Short time withstand current - 21KA/ 3 sec (iii) Making Capacity - 52.5kAp (iv) Auxiliary contacts - 1NO + 1NC (v) Power frequency withstand voltage - 28kV (vi) Impulse withstand voltage - 75kV (vii) Nominal operating gas pressure - 1.4 Bar abs. (viii) Front cover mechanism - IP2X (ix) Cable covers - 3X (x) Snap action mechanism for manual /Motorized operation suitable for 24VDC Secondary Voltage. (xi) Cable box for front termination of the cable suitable upto 3 core 120 Sqmm, 11 KV XLPE cable (xii) Right angle non-touch proof Termination boots - 1 Set (R,Y,B) (b) Each 630A VCB module for making & breaking of fault current alongwith Earth Swicth of full making capacity-3 Nos. (i) Motor operated 630 A Vacuum circuit breaker having spring stored mechanism suitable for 24VDC Secondary Voltage. (ii) Three position disconnector/earthing switch downstream vacuum circuit-breaker. (iii) Three position single spring mechanism for disconnector/earthing switch (iv) “Live Cable” LED Indicators thru Capacitor Voltage Dividers mounted on the bushings. (v) Short time breaking current - 21KA/ 3 sec (vi) Making Capacity - 52.5KA (vii) Auxiliary contacts - 1NO + 1NC (viii) Power frequency withstand voltage - 28KV (ix) Impulse withstand voltage - 75KV (x) Nominal operating gas pressure - 1.4 Bar abs. (xi) Front cover mechanism - IP2X (xii) Cable covers - 3X (xiii) Green(ON)/Red(OFF) push buttons to operated VCB. (xiv) 3O/C + 1E/F self powered numerical protection relay with Low and High set for Over current and Earth Fault.communicable on IEC 61850 (xv) Resin cast ring core protection CT on cables 30/1A,5P10,2.5 VA - 3 Nos (Exact ratio to be checked at site during drawing approval) (xvii) Mechanical ON/OFF/EARTH/Spring charge Indication (xviii) Cable boxes should be Arc Proof interlocked with respective Earthing Switches. (xix) Right angle non-touch proof Termination boots - 1 Set (R,Y,B) (c) Additional Equipment mounted in respective panel /separate panel: (i) 3 nos. Single Phase PTs - 11kV/V3/110/V3 ,Cl-1.0 ,50VA (ii) Space Heater with thermostat (iii) Terminal Blocks (iv) 3 x Multi-Function-Meter (Acc.Cl.0.5) shall be provided with LCD display for measuring current, voltage, power, power-factor and energy-parameters, Total Harmonic Distortion and Max. Demand Indication, same shall be communicable on ModBus via RS485 port.,Cl-1.0 - ELmeasure /Conzerv /Rishabh (v) Battery/Charger- auxillary PT 11kV/V3/230 V ,500 VA incl battry 12V x2 at site. (vi) Set of Coupling busbars along with suitable coupling kit - 1 Set (vii) Manometer with 1 NO Contact - 01 nos. (viii) Operating handle - 01 nos. (ix) Cost of construction of foundation including construction material and necessary earth work as per manufacturer design for RMU are deemed to be included in the quoted rate. (x) The RMU shall be provided with FRTU and modem cum router integrated or else, which shall communicate with MFMs and Numerical relays of RMU. The FRTU shall communicate with Numerical relay on IEC 103,and MFM on MODBUS. It shall communicate with upper level SCADA on IEC 104. FRTU shall be able to support DI,DO and analog input for data specified in PS. (xi) Time synchronization of the FRTU using SNTP on a LAN/WAN network with Central control centre.Modem cum Router shall be 4G with 3G fallback, 2 Ethernet ports – 10/100Mbps,1 RS 232 port, Dual SIM, SD Card support for detailed Log storage for minimum 12 Months, Communication Mode shall be 4G with 3G failover, FRTU/RTU, FRTU necesaary wiring and connections from IED's and MFM.

Supply,installation,testing & commissioning of 11 KV Outdoor type 6-way Ring Main Unit floor mounted with internal copper bus bars, consisting of 2 nos. fixed motorized Load Break Switches and 4 nos. fixed type motorised Vacuum Circuit Breaker (2 Incoming & 4 Outgoing). All live parts, bus bars, LBSs connections of RMU should be enclosed in one tank to avoid multiple interconnections & sealed for life robotically welded non magnetic and non ferrite grade stainless steel tank Grade 304 of minimum 3 mm thick having IP67 degree of protection filled with SF6 gas as insulation with leakage rate less than 0.1% per year tested as per IEC 62271-200. . The unit shall have front cable entry for ease of installation and shall have site replaceable bushings for ease of troubleshooting during breakdown.RMU should be complete with all accessories such as Terminal kits suitable for 1Cx300sqmm Cable, VPIS, cable supports, all front cable terminations, mechanical indications for Load break switch ON/OFF, Manometer as per with IEC standards 62271-200, 60056, 60129, 60265, 60298, 60420, 60529 and 60694. Altitude of installation up to 1500m as per IEC 60120. Bushings bolted type top mounted outside the tank for connection of external bus bar .The unit shall include the following with all necessary standard fitting required at site.The Vacuum Bottle shall be of same make as that of RMU to ensure better life cycle optimization for the RMU. (a) 630A Load Break Switch module with fault passage indicator and flashing LED for making of fault current alongwith Earth Switch of full making capacity- (i) 2 nos. (ii) Short time withstand current - 21KA/ 3 sec (iii) Making Capacity - 52.5kAp (iv) Auxiliary contacts - 1NO + 1NC (v) Power frequency withstand voltage - 28kV (vi) Impulse withstand voltage - 75kV (vii) Nominal operating gas pressure - 1.4 Bar abs. (viii) Front cover mechanism - IP2X (ix) Cable covers - 3X (x) Snap action mechanism for manual /Motorized operation suitable for 24VDC Secondary Voltage. (xi) Cable box for front termination of the cable suitable upto 3 core 300 Sqmm, 11 KV XLPE cable (xii) Right angle non-touch proof Termination boots - 1 Set (R,Y,B) (b) 630A VCB module for making & breaking of fault current alongwith Earth Swicth of full making capacity-4 Nos. (i) Motor operated 630 A Vacuum circuit breaker having spring stored mechanism suitable for 24VDC Secondary Voltage. (ii) Three position disconnector/earthing switch downstream vacuum circuit-breaker. (iii) Three position single spring mechanism for disconnector/earthing switch (iv) “Live Cable” LED Indicators thru Capacitor Voltage Dividers mounted on the bushings. (v) Short time breaking current - 21KA/ 3 sec (vi) Making Capacity - 52.5KA (vii) Auxiliary contacts - 1NO + 1NC (viii) Power frequency withstand voltage - 28KV (ix) Impulse withstand voltage - 75KV (x) Nominal operating gas pressure - 1.4 Bar abs. (xi) Front cover mechanism - IP2X (xii) Cable covers - 3X (xiii) Green(ON)/Red(OFF) push buttons to operated VCB. (xiv) 3O/C + 1E/F self powered numerical protection relay with Low and High set for Over current and Earth Fault cummunicable over IEC 61850. (xv) Resin cast ring core protection CT on cables 50/1A,5P10,2.5 VA - 3 Nos (xvii) Mechanical ON/OFF/EARTH/Spring charge Indication (xviii) Cable boxes should be Arc Proof interlocked with respective Earthing Switches. (xix) Right angle non-touch proof Termination boots - 1 Set (R,Y,B)

Supplying, installing, testing and commissioning of Indoor arc-proof Draw-Out Vacuum Circuit Breaker Panel, rated for 11kV, min 630Amp, 26.3kA/3-sec, comprising of 01 no. Incomer, 01no. Bus Coupler and 01 Nos. riser Outgoing fully encapsulated pole VCB Panels, confirming to IEC 62271-200, Internal Arc Classified IAC AFLR – 26.3kA for 1sec, Accessibility Class LSC2B-PM Class, comprising of min 630Amp, continuous rated Copper busbars and droppers, 02nos. Rack-In-Rack-Out Handles, structure made from AluZinc/GI sheets to prevent corrosion and rusting. The complete panel incl. HT and LT chamber shall be manufactured by approved OEM at its own facility. License parter, system integrator, panel builder, half-panel concept etc is not allowed. The Board shall consist of following panels:- (a) 01 x Incomer Panel, each comprising of :- (i) 11kV, 630Amp, 26.3kA/3-sec, Draw-Out Vacuum Circuit Breaker as per IEC-62271-100. Vacuum Circuit Breaker having 01 Nos. encapsulated vacuum bottles of same make as of circuit breaker, motorized spring charging mechanism (230VAC) with integral spring charging handle for manual charging, associated push-buttons, anti-pumping feature, and associated Shunt Trip/Close Coils (30VDC) (ii) Current Transformers 11kV, 200/100-5-5, Core1: Class 5P10, 5VA, Core2: Class 0.5, 5VA. (iii) Potential Transformers, rear and bottom Draw-out type for easy maintenance, 11kV/rt3:110V/rt3, 50VA, Cl.0.5 with associated gun-type HRC fuses and MCBs for HT/LT isolation - Set of 03nos. (iv) Main Protection Relay shall be numerical IED Relay confirming to IEC60255, having 04CT+03PT Inputs with microprocessor based protection scheme for tripping the breaker on various faults:- (v) Over-current and earth-fault in any of the three phases, (vi) circuit-breaker-failure alarm, (vii) tripping-circuit-failures The relay shall be fully integrated with the feeder, internally capturing feeder statuses incl. various status, Line-Current, Line-Voltage etc. and display the same locally on a built-in back-lit LCD screen as a Single-Line-Diagram with power & frequency measurements and suitably labelled status LEDs. TCP/IP based WebHMI shall be integrated part of relay for remote setting without requiring any special relay software. (viii) Metering Equipment incl. 01 x Digital Voltmeter (Acc.Cl.0.5), 01 x Digital Ammeter (Acc.Cl.0.5), 01 x Tri-VectorMeter (Acc.Cl.0.5) (b) 01no. Multi-Function-Meter (Acc.Cl.0.5) shall be provided with LCD display for measuring current, voltage, power, power-factor and energy-parameters, Total Harmonic Distortion and Max. Demand Indication, same shall be communicable on ModBus via RS485 port. (i) Indications - LED for Breaker ON/OFF/TRIP/Spring-Charged/R-Y-B, 08-Window Annunciator with hooter (ii) Control Equipment incl. 01 x TNC Switch, 01 x Emergency Trip Push Button, MCBs for AC/DC isolation as required (iii) Other accessories incl. Space Heater with thermostat for breaker, busbar, LV panel and cable chamber, 3-Pin socket with switch, CFL lamp. (iv) Suitable Disconnecting Link type terminal arrangement shall be provided for interfacing PS-Class CTs installed in the panel with Transformer differential relay situated in the 33kV CRP for achieving the required protection. (c) 01 x BusCoupler Panel, each comprising of :- (i) 11kV, 630Amp, 25KA/3-sec, Draw-Out Vacuum Circuit Breaker as per IEC-62271-100. Vacuum Circuit Breaker having 03nos. encapsulated vacuum bottles of same make as of circuit breaker, motorized spring charging mechanism (230VAC) with integral spring charging handle for manual charging, associated push-buttons, anti-pumping feature, and associated Shunt Trip/Close Coils (30VDC) (ii) Indications - LED for Breaker ON/OFF/Spring-Charged. (iii) Control Equipment incl. 01 x TNC Switch, 01 x Emergency Trip Push Button, MCBs for AC/DC isolation as required (iv) Other accessories incl. Space Heater with thermostat for breaker, busbar, LV panel, 3-Pin socket with switch, CFL lamp. (v) MCBs for HT/LT isolation - Set of 03nos. Space Heater with Thermostat included. R-Y-B Phase LED indications. Isolation MCB and related wiring included. (d) 01 xriser panel, each comprising of :- (i) Accessories incl. Space Heater with thermostat for breaker, busbar, LV panel and cable chamber, 3-Pin socket with switch, LED lamp. NOTE :- The all above panel consist of the followings:- (ii) Adapter panel is required if new panel not matching existing panel make/designs and rates of adapter panel to be fabricated locally if required deemed to be included in above quoted rates. (e) The panel shall be complete with all allied items and accessories, including:- (i) Each VCB panel being floor-mounted, air-insulated, fully-compartmentalizeds The OEM shall supervise and certify the commissioning/charging of equipment. (ii) Complete panel will be integrated with SCADA (f) SCADA integration equipment including:- (i) All Multi-function-meters shall be connected in a ModBus loop terminating into 01No. ModBus-to-TCP/IP converter to be provided for sending data to SCADA console via networking switch. The scope of SCADA shall include new panel along with existing panel as specified in PS. (g) Touchproof Cable Termination Kits of suitable size (cable-size not exceeding, 1Rx3Cx185sqmm XLPE AL) for bottom cable entry. Cable termination shall be done/certified by OEM only - 04 Nos. (h) The offered scheme shall be complete along with associated Substation SCADA supplied and installed separately, essentially for monitoring and controlling all the 11kV feeder panels on IEC61850 platform via respective IED relays and capturing energy parameters on ModBus platform via respective Meters, all including required operator workstation, power-backup system and allied accessories, (j) RTU:- (i) Industrial grade, continuous duty, EMC compliant substation management unit, suitable for extreme operating conditions (Op.Temp 50degC or more, Humidity upto 90%), stand-alone function, combination of (a) gateway for interfacing with relays over IEC61850, meters on ModBus and upper-level SCADA/DCS on IEC-104 protocol, (b) web-browser based, platform independent HMI for viewing substation dynamic SLD and substation feeder data incl. ON/OFF/TEST/SERVICE position, energy parameters like line-current, line/bus-voltage, kVA, kW, kWh, pF, Hz etc. relay-parameterization, event/alarm notification and fault record viewing, feeder ON/OFF control and as specified in P.S. (c) Data Historian for automatically downloading all IED relay's disturbance recorder data and making it available for online view over analyzer or off-line view via COMTRADE file. (ii) Industrial grade, Ethernet Switch (min. 12-port) forming IEC61850 based station-bus (iii) Associated wiring, inter-connection and power-supply circuit with isolation MCBs (iv) Cabinet with multi-tier-arrangement having suitable ventilation and cable-entry/routing arrangement to respective devices in a neat fashion (suitable for installation in dust-proof environment). (k) Operator Workstation (i) Commercial grade CPU as web server acting as central server with LED screen for display along with all hardware and software as specified in PS (SCADA, CFE, Firewall, ISR and LDMS etc) (ii) Basic software incl. Windows OS, AntiVirus of reputed make (QuickHeal/McAfee/Norton), MS-Office 2016/365, all having valid single-user commercial license with preferably unlimited but min. 03-years subscription (iii) Un-interrupted Power Supply/Inverter - 230VAC regulated sine-wave inverter of 900VA capacity, min. 100AH Lead-Acid battery, having advanced digital display, audio alarms on mains fail, charger fuse blown, battery-low and no-load shutdown, phase-reversal protection etc. as required (iv) Communication and Power Wiring - including supply, laying and commissioning of i. CAT5/CAT6 Local-area-network cable with sufficient number of RJ-45 terminals suitably routed via substation trenches/ducts/walled-pipes etc. from 11kV HT VCB panels upto SCADA console and from SCADA console upto operator workstation (v) PVC Shielded, three-core 4sqmm wiring suitable for 230VAC supply routing from nearest 16Amp power-point upto UPS/Inverter and from inverter upto SCADA console and workstation, suitably laid via conduit pipes and jointed using recommended termination/socket arrangement in a neat fashion as per instruction of engineer-in-charge. (vi) Modem cum router for recieving data from FRTU over 4G failsafe on 3G and sending command to FRTU for operation of DO and data from 33 KV MRS over OFC and 4G/3G SIM. (vi) GPS clock and digital indicator.(vii) operator work station -02 Nos

Supplying, installing, testing and commissioning of Indoor arc-proof Draw-Out Vacuum Circuit Breaker Panel, rated for 11kV, min 630Amp, 26.3kA/3-sec, comprising of 01 no. outgoing, fully encapsulated pole VCB Panels, confirming to IEC 62271-200, Internal Arc Classified IAC AFLR – 26.3kA for 1sec, Accessibility Class LSC2B-PM Class, comprising of min 630Amp, continuous rated Copper busbars and droppers, 02nos. Rack-In-Rack-Out Handles, structure made from AluZinc/GI sheets to prevent corrosion and rusting. The complete panel incl. HT and LT chamber shall be manufactured by approved OEM at its own facility. License parter, system integrator, panel builder, half-panel concept etc is not allowed. The Board shall consist of following panels:- (a) 01 x outgoing Panel, each comprising of :- (i) 11kV, 630Amp, 26.3kA/3-sec, Draw-Out Vacuum Circuit Breaker as per IEC-62271-100. Vacuum Circuit Breaker having 01 Nos. encapsulated vacuum bottles of same make as of circuit breaker, motorized spring charging mechanism (230VAC) with integral spring charging handle for manual charging, associated push-buttons, anti-pumping feature, and associated Shunt Trip/Close Coils 110 Volts(ii) Current Transformers 11kV, 200/100-5-5, Core1: Class 5P10, 5VA, Core2: Class 0.5, 5VA. (iii) Potential Transformers, rear and bottom Draw-out type for easy maintenance, 11kV/rt3:110V/rt3, 50VA, Cl.0.5 with associated gun-type HRC fuses and MCBs for HT/LT isolation - Set of 03nos. (iv) Main Protection Relay shall be numerical IED Relay confirming to IEC60255, having 04CT Inputs with microprocessor based protection scheme for tripping the breaker on various faults:- (ai) Over-current and earth-fault in any of the three phases, (aii) circuit-breaker-failure alarm, (aiii) tripping-circuit-failures The relay shall be fully integrated with the feeder, internally capturing feeder statuses incl. various status, Line-Current, etc. and display the same locally on a built-in back-lit LCD screen as a Single-Line-Diagram with power & frequency measurements and suitably labelled status LEDs. TCP/IP based WebHMI shall be integrated part of relay for remote setting without requiring any special relay software. (v) Metering Equipment incl. 01 x Digital Ammeter (Acc.Cl.0.5), 01 x Tri-VectorMeter (Acc.Cl.0.5) (b) 01 no. Multi-Function-Meter (Acc.Cl.0.5) shall be provided with LCD display for measuring current, , power, power-factor and energy-parameters, Total Harmonic Distortion and Max. Demand Indication, same shall be communicable on ModBus via RS485 port:- (i) Indications - LED for Breaker ON/OFF/TRIP/Spring-Charged/R-Y-B, 08-Window Annunciator with hooter (ii) Control Equipment incl. 01 x TNC Switch, 01 x Emergency Trip Push Button, MCBs for AC/DC isolation as required (iii) Other accessories incl. Space Heater with thermostat for breaker, busbar, LV panel and cable chamber, 3-Pin socket with switch, CFL lamp. (c) SCADA integration equipment including:- (i) All Multi-function-meters shall be connected in a ModBus loop terminating into 01No. ModBus-to-TCP/IP converter to be provided for sending data to SCADA console via networking switch. The scope of SCADA shall include new panel along with existing panel as specified in PS. (d) RTU (i) Industrial grade, continuous duty, RTU suitable for extreme operating conditions (Op.Temp 50degC or more, Humidity upto 90%), stand-alone function, combination of (a) gateway for interfacing with relays over IEC61850, meters on ModBus and upper-level SCADA/DCS on IEC-104 protocol, (b) web-browser based, platform independent HMI for viewing substation dynamic SLD and substation feeder data incl. ON/OFF/TEST/SERVICE position, energy parameters like line-current, line/bus-voltage, kVA, kW, kWh, pF, Hz etc. relay-parameterization, event/alarm notification and fault record viewing, feeder ON/OFF control and as specified in P.S. (c) Data Historian for automatically downloading all IED relay's disturbance recorder data and making it available for online view over analyzer or off-line view via COMTRADE file. the RTU shall communicate with upper level SCADA on IEC 61850-104 over OFC and 4G fail safe 3G modem cum router with upper level SCADA. (ii) Industrial grade, Ethernet Switch (min. 12-port) forming IEC61850 based station-bus (iii) Associated wiring, inter-connection and power-supply circuit with isolation MCBs (iv) Cabinet with multi-tier-arrangement having suitable ventilation and cable-entry/routing arrangement to respective devices in a neat fashion (suitable for installation in dust-proof environment). (v) Basic software incl. Windows OS, AntiVirus of reputed make (QuickHeal/McAfee/Norton), MS-Office 2016/365, all having valid single-user commercial license with preferably unlimited but min. 03-years subscription (vi) Un-interrupted Power Supply/Inverter - 230VAC regulated sine-wave inverter of 900VA capacity, min. 100AH Lead-Acid battery, having advanced digital display, audio alarms on mains fail, charger fuse blown, battery-low and no-load shutdown, phase-reversal protection etc. as required (vii) Communication and Power Wiring - including supply, laying and commissioning of CAT5/CAT6 Local-area-network cable with sufficient number of RJ-45 terminals suitably routed via substation trenches/ducts/walled-pipes etc. from 11kV HT VCB panels upto SCADA console and from SCADA console upto operator workstation. (viii). PVC Shielded, three-core 4sqmm wiring suitable for 230VAC supply routing from nearest 16Amp power-point upto UPS/Inverter and from inverter upto SCADA console and workstation, suitably laid via conduit pipes and jointed using recommended termination/socket arrangement in a neat fashion as per instruction of engineer-in-charge. (ix) operator work station

Supply, laying, jointing and testing of armoured optical fibre underground cable, 12 core(fiber) along with light interfacing unit laid in trenches/ducts/fixed on poles/walls, laid under/path or encased in HDPE pipe complete all as specified and directed. Note : The cost of joints/SPLICING deemed to included in the quoted rate.

M&L high density polyethylene pipes(duct for OFC) of size 40 mm dia (HDPE) of pressure rating 10 kg/cm2 laid in trenches/bore holes of road crossing/hard standing for laying of OFC complete all as specified and directed.

Dismentaling of steel/PCC Electric pole any type and size from specified location carefully by breakingdown PCC base complete all as specified and directed.

Dismantling of cross arms, bracings, supports, clamps and back plates fabricated from structural steel sections including nuts, bolts, washers.

Dismantling of Over head aluminium conductor steel reinforced any type/size complete all as specifed and directed.

Supply and fixing cable route indicator complete of size 30x30x3cm with the letter HT cable suitably inscribed on CI circular plate 8 mm thick 100 mm dia . The cable route indicatior shall be provided at the ends , for loops at bends and interval of 100 m in straight runs complete all as specifed and directed.

Dismantling of insulators from poles of any descriptions and any size complete all as specified and directed.

Comprhenssive maintanance of SCADA system hardware and software incl accessories installed under item no 24,25,26 &27 incl upgrdation performance monitoring, system backup, patch management, updates, emergency response and troubleshooting and the UPS system provided shall be included in this item incl replacement of battery in this period and as specified and directed. The period of first two year shall be covered under DLP of contract and all activities incl servicing/routine maint/inspectionshall be part of it. (a) 3rd year maint period

(b) 4th Year maint period

(c) 5th Year maint period

surendra infrastructure pvt ltd

Power Tools and Engineering