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| Sl. No. | Item Description |
| 1 | Part A : Electrical work |
| 2 | OIL FILLED POWER TRANSFORMER: |
| 3 | Design, Supply, Installation / Erection, Testing & Commissioning of 66/11kV, Star/Star, Outdoor type, 16MVA Power Transformer suitable for 3-Phase, 50Hz AC supply. The transformer shall be copper wound transformer (Electrolytic grade 99.9% pure copper, Core made of first grade Cold Rolled Grain Oriented (CRGO) Core grade MOH or better having oil & air cooled system. The Vector group shall be YNyn0. Winding Insulation level (kV/peak) on HV side 140 and LV side 28. The losses of transformer at ONAF rating (at full load at 75 deg. C) shall be No load losses 15KW(Max), load losses 85KW(Max) and Auxiliary Losses 2KW(Max). Rated short time withstand current (kArms) for 5 Seconds 31.5 . The impedance of transformer shall be max 10% on 16MVA base without negative tolerance. On Load tap changing arrangements on HV side. The OLTC gear shall be designed to complete successfully tap changes for the maximum current to which transformer can be loaded i.e., 150% of the rated current. |
| 4 | The tap changer shall be provided for variation of HV voltage with a tap setting of (+) 5% and (-) 15% at 66kV side of each 1.25% steps which shall be operated from either OLTC or Remote control equipment. OLTC shall have AVR and master slave relay for parallel operation.The remote control equipment shall be enclosed in an indoor sheet cubicle to be located in control room. Complete with all accessories and safety provisions as per relevant IS Code including first filling of filtered dehydrated oil, i/c supplying and grouting of suitable M.S. Channel with all accessories and transformer shall be confirming to IS : 2026 (Part 1 to Part 5), IS : 1180 and duly ISI Marked and as per CPWD specifications complete in all respects etc as required at site. The maximum flux density in any part of the core and yoke at rated voltage and frequency shall be such that the flux density with + 12.5 percent combined voltage and frequency variation from rated voltage and frequency does not exceed 1.9 Tesla. Inside of tank shall be painted with varnish or liquid resistant paint. |
| 5 | For external surfaces one coat of thermo setting powder paint or one coat of epoxy primer followed by two coats of polyurethane base paint shall be used. IS: 1180 (Part 3) shall be referred to for paint thickness for normal to medium corrosive atmosphere. For highly polluted atmosphere and special application external paint work shall be as per direction of Engineer-in-Charge. Design ambient condition : a) air temperature 50 deg C, b) Relative Humidity 90 % Max, c) Seismic Zone IV. Noise level Shall not exceed limits as per NEMA TR-1 with all accessories running measured as per IEC 551 / NEMA standard. The transformer should have QR code which should contain drawing, test report OEM manual,Geo- Tag of manufacturing location etc. Marking Each transformer shall be provided with rating plate made of anodized aluminum/ stainless steel material securely fixed on the outer body, easily accessible,as per IS: 1180 Part-3. The entries on the rating plate shall be indelibly marked. The transformer shall be suitable for continuous rating for full load. |
| 6 | The temperature rise shall not exceed 45°C in oil and 50°C by resistance in winding. Transformer shall operate under naturally cooled (ONAN) condition up to 12.5 MVA, beyond this it shall be operated though forced cooling (ONAF). The cooler units shall be 2x50% capacity and each 50% cooler shall have one standby fan & one extra radiator. The cooler control cabinet shall have two sections. One section shall have the control equipment exclusively meant for cooler control. The other section shall house the temperature indicators, auxiliary CT’s and the terminal boards meant for termination of various alarm and trip contacts as well as various CT secondaries. The Transformer shall be provided with suitable devices to monitor temperature & pressure. Automatic operation control (Switching in and out) of fans/ pumps shall be provided (with temperature change) from contacts of winding temperature indicator. The supplier shall recommend the setting of WTI for automatic changeover of cooler control from ONAN to ONAF. |
| 7 | The setting shall be such that hunting i.e., frequent start stop operations for small temperature differential do not occur. Suitable manual control facility for cooler fans and oil pumps with manual / automatic selector switches and push buttons shall be provided. The transformer shall be suitable for controlling & monitoring from OLTC / RTCC / SCADA. |
| 8 | Fitting and Accessories : |
| 9 | The following fittings shall be provided:- Two earthing terminals with the earthing symbol ,Oil level gauge indicating oil level at minimum, 30°C and maximum operating temperature, Rating and terminal marking plates, Silica gel breather, Drain-cum-sampling valve (¾″ nominal size thread, IS 554) preferably steel with plug for three phase transformers, Thermometer pocket with cap, Oil filling holes having (1¼″ nominal size thread), Lifting lugs for the complete transformer as well as for core and winding assembly, Pressure relief device or explosion vent , One filter valve on the upper side of the tank , Unidirectional flat rollers, Inspection hole HV side neutral grounding strip (where one of the HV bushing terminal is connected to earth),Buchholz relay, Bird guard, Oil temperature indicator and winding temperature indicators with suitable tripping mechanism above permissible limit, Jacking pads, Additional Neutral separately brought out on bushing for earthing, Magnetic oil level gauge with low oil level alarm contact, Non return valve (for conducting pressure test), Monogram Plate, |
| 10 | Inspection cover, Detachable type radiators with top and bottom shutoff valve, Oil Conservator with Oil level indicator, minimum level marking and drain plug, Necessary hardware, clamps, lugs etc. for termination on HV/MV etc. for all transformers. Unloading from trailer on to the plinth. Complete as per technical requirements and as directed by EIC. NOTE: Transformer cost shall inlcude filtration and testing of oil at the time of installation and testing and commissioning of transformer. |
| 11 | Supply, installation, testing and commissioning of outdoor type 60 kV, 10KA Lightning Surge Arrestor (1 Phase) complete in everyway with outdoor junction boxes suitable, connectors, hardware, accessories, terminals for LV wiring complete in everyway. |
| 12 | Supply, Installation, testing and Commissioning of Current Transformer outdoor type 72.5 KV , oil cooled, Hermetically sealed, Wound Primary Type, FOUR Core live tank Type Current Transformer of Ratio 600-300/1-1-1-1 Amps Core 1 : Class-0.2, Burden : 30VA(Metering) Core 2 : Class-5P20, Burden : 30VA (Protection) Core 3 : Class-PS (Differential) Core 4 : Class-PS (REF) complete in everyway with outdoor junction boxes, terminals for LV wiring, connectors, hardware,accessories complete in every way. |
| 13 | Supply, installation, testing and commissioning of outdoor type 66kV (3 Phase) double Break Isolator |
| 14 | 66kV, 1250A, 31.5kA double break three pole Gang operated manual & motorised Isolators with earth switch with support insulators and biemetallic terminal connectors etc as required. |
| 15 | Supply, Installation, Testing & Commissioning Isolator 66kV, 1250A, 31.5kA double break three pole Gang operated manual & motorised Isolators without earth switch with support insulators and biemetallic terminal connectors etc as required. |
| 16 | Supply, installation, testing and commissioning of outdoor type 66kV SF6 Circuit Breaker (3 phase) |
| 17 | 72.5kV, 3 Ph, 1250A, 31.5kA/3 sec SF6 Circuit breaker gang operated with operating kiosk, complete pedestal and mounting supports, terminals for LV wiring inside kiosk, suitable connectors, hardware, accessories complete in every way. |
| 18 | Supply, Installation, Testing & Commissioning of NEUTRAL CURRENT TRANSFORMER (NCT) outdoor 12.5 KV , oil cooled, Hermetically sealed, Wound Primary Type, TWO Core live tank Type Current Transformer of Ratio 1200-600/1-1 AmpsCore 1 : Class-PSCore 2 : Class-PS |
| 19 | Supply, Installation, Testing & Commissioning of NEUTRAL CURRENT TRANSFORMER(NCT) outdoor 72.5 KV , oil cooled, Hermetically sealed, Wound Primary Type, TWO Core live tank Type Current Transformer of Ratio 300-150/1-1 AmpsCore 1 : Class-PSCore 2 : Class-PS |
| 20 | APFC Panel: Automatic MV Capacitor panel : [Outdoor Type] |
| 21 | Supply, Erection, Testing and Commissioning of 11 kV 2500kVAR ,0.2% reactor , with 10% Over voltage 5 Steps APFC Panel with Electrical parameters KWH, KVAH, PF, Hz .Capacitor Bank Rating: 3000 kVAR, 12.1kV in 6 steps of (300x2 + 600x2 + 1200x1), 3 phase capacitor Panel (IP-5X) in star configuration along with cast resin/resin impregnated air cooled series reactors, cast resin CT,1-Phase 2 Bushing Capacitor, RVT,Surge Capacitor..etc in a closed container detailed as per technical specification. |
| 22 | Incoming |
| 23 | 01 No. 11KV,630 Amp, 3Pole single break type off-load isolator with earth switch. |
| 24 | 01 No. 11KV, Indoor type Residual voltage transformer (RVT) with Resin cast, 3Phase, BIL-28/75KV. Ratio: 11KV/110-190V, Class:1,3Pole, Burden-100VA |
| 25 | 11KV,0.1MFD,3Phase,RC-type -Surge Capacitor Unit |
| 26 | APFC Relay -HT , BR5600 8-Step |
| 27 | 03 -Nos. 11KV,Indoor type CT,Resin Cast, 1Phase,wound Primary. Ratio:700/1-1A, Class:1 5P10, Burden-15VA. |
| 28 | Digital type Ammeter & Voltmeter -Each |
| 29 | Outgoings |
| 30 | 2 sets 12.1 KV ,300Kvar- Capacitor Bank -External Star (Each consist) |
| 31 | 03 Nos. Cap Unit -7KV ,100Kavr,1-Phase,CRCA, 2-bushing,external fuse, BIL: 28/75KV |
| 32 | 3No .2% Series Reactor- 1 Phase class F |
| 33 | Vacuum Contactor-11KV ,400A ,3P Solenoid type, 220V AC. |
| 34 | 03 Nos HRC Fuses- 12 KV |
| 35 | 2 Sets 12.1 KV ,600Kvar- Capacitor Bank -External Star (Each consist) |
| 36 | 3 Nos. Cap Unit -7KV ,200Kavr,1-Phase,CRCA, 2-bushing,external fuse, BIL: 28/75KV |
| 37 | 3 Nos .2% Series Reactor- 1 Phase class F |
| 38 | 01 No. Vaccume Contactor-11KV ,400A ,3P Solenoid type, 220V AC. |
| 39 | 03 Nos. HRC Fuses- 12 KV |
| 40 | 12.1 KV ,1200Kvar- Capacitor Bank -External Star (Each consist) |
| 41 | 3 Nos Cap Unit -7KV ,400Kavr,1-Phase,CRCA, 2-bushing,external fuse, BIL: 28/75KV |
| 42 | 3 Nos .2% Series Reactor- 1 Phase class F |
| 43 | Vacuum Contactor-11KV ,400A ,3P Solenoid type, 220V AC. |
| 44 | 3 Nos HRC Fuses- 12 KV |
| 45 | Other Accessories |
| 46 | IP-54 CRCA enclosure with Non load bearing member-1.6mm, Load bearing member -2mm & Glant Plate -3mm. Paint shade-RAL 9003, Cable Entry- Top /Bottom. Doors( Front, side & Rear Access)- Bolted design doors with glass window. |
| 47 | EPOXY Insulator |
| 48 | NVDR Relay |
| 49 | Control wriring & accessories (MCB, AUX Contactor, Time Delay) with Auto Manual Switch, ON/ OFF Including Lamps & Push Button. |
| 50 | Main Al Busbar- (50x6)X2 mm Aluminium Busbar. |
| 51 | Interconnecting Busbar- (50x3)mm Aluminium Busbar. |
| 52 | Earthing Busbar- (25x3)mm Aluminium Busbar. |
| 53 | Above MV Capacitor Panel- |
| 54 | Design, supply, installation/erection, testing and commissioning of 66kV relay control panel . |
| 55 | SITC of 3Nos. Transformer CRP Panel |
| 56 | SITC of 3-Nos. conventional IED based 66kV Control Relay Panel for Transformer bay. The CRP shall be floor mounting type suitable for indoor installation. Panels shall be completely metal enclosed, and shall provide degree of protection not less than IP 31 in accordance with IS 12063/1987. The panels shall be cubicle type panel board fabricated out of 3mm thick CRCA sheet steel of totally enclosed dust and vermin proof finished with two coats of powder coat painting over a coat of good etched primer and fully segregated compartment ensuring no arc or foreign body can travel from or to the compartment. Each simplex panel shall have suitable hinged doors at the back. The lockable type hinged doors shall be provided with 3-point locks operated by suitable handle. |
| 57 | Bottom plates of the panels shall be fitted with removable gland plates to allow cable entries from the bottom. Gland plates shall be suitable for fixing the cable glands at an elevated height of at least 100 mm above the ground level. Terminal Connectors and Test terminal blocks for cables shall be fixed at an elevated height of at least 200 mm above the Bottom plate. |
| 58 | Bay Control Unit with built in under voltage, synchro check, on IEC 61850 communicatin protocol. |
| 59 | Numerical 2winding transformer protection with built in over flux, over load, DR, EL, on IEC61850 Communication protocol. |
| 60 | Numerical, Directional 3O/C+1E/F Relay built in feature of LBB protection on IEC61850 communication prototcol. |
| 61 | Numerical, Restricted earth fault relay for HV & LV on IEC61850 communication prototcol. |
| 62 | Trip circuit supervision relay. |
| 63 | DC supply supervision relay. |
| 64 | Aux relay for transformer supervision. |
| 65 | LED Indicating lamp,Push button for trip relay reset,Breaker Control switch, 10ways etc as required |
| 66 | The following protecion provided in transformer bay Diffrential ,REF,OLTC,PRV,WTI/OTI Etc. The IEDs shall provide all station level functions regarding control, monitoring and protection, inputs for status indication and outputs for commands. As per technical requirements & drawings and as directed by EIC. This IED based relay comptaible with IEC-61850 SAS system. The Differential protection IED shall have the facility to record the following external digital channel signals associated with transformer which shall be wired to differential relay apart from the digital signals pertaining to differential relay. |
| 67 | SITC of 2 Nos. Line protection CRP Panel |
| 68 | 2-Nos. conventional IED based 66kV Control Relay Panel for line bay. The CRP shall be floor mounting type suitable for indoor installation. Panels shall be completely metal enclosed, and shall provide degree of protection not less than IP 31 in accordance with IS 12063/1987. The panels shall be cubicle type panel board fabricated out of 3mm thick CRCA sheet steel of totally enclosed dust and vermin proof finished with two coats of powder coat painting over a coat of good etched primer and fully segregated compartment ensuring no arc or foreign body can travel from or to the compartment. Each simplex panel shall have suitable hinged doors at the back. The lockable type hinged doors shall be provided with 3-point locks operated by suitable handle. |
| 69 | Bay Control Unit with built in under voltage, synchro check, on IEC 61850 communicatin protocol |
| 70 | Numerical, Directional 3O/C+1E/F Relay built in feature of non dir. OCEF, over load, on IEC61850 communication prototcol |
| 71 | LED Indicating lamp,Push button for trip relay reset,Breaker Control switch, 10ways etc as required |
| 72 | Aux relay for Under Voltage relay for bus isolator & Line Isolator |
| 73 | Trip circuit supervision relay |
| 74 | Overload alarm scheme |
| 75 | DC supply supervision relay |
| 76 | The IEDs shall provide all station level functions regarding control, monitoring and protection, inputs for status indication and outputs for commands. As per technical requirements & drawings and as directed by EIC. This IED based relay comptaible with IEC-61850 SAS system. |
| 77 | As above |
| 78 | Supplying, installation, testing & commissioning of Local Industrial PC based Substation Automation system having integrated HMI & gateway consisting of following: |
| 79 | a)Industrial PC having Intel i7 processor, 1TB HDD, 16GB RAM, Windows 10 operating system with pre-installed runtime software, Keyboard and Mouse with 32” Full HD Monitor as HMI ,redundant HMI and EWS. Single auxiliary supply: 230VAC 5kVA UPS included.b.Application Software which includes IEC 61850 Client/Master including IEC 60870‐5‐104 gateway functionality The HMI interface will allow monitoring of power distribution. The HMI will display the network as an easy-to-follow Single Line Diagram (SLD) that includes current/voltages, switchgear status and visible indication of live parts via dynamic topology coloring. |
| 80 | A Bay Visulation, control dialogue box, Chronological Events & Alarms and are visible on the SLD as blinking red indications on the affected bay. All alarms shall be displayed in compliance with IEC 61850.c. GPS Receiver with Antenna & Antenna Cable .d. A4 clour laser printere. Operator Console to mount the server PC, Ethernet switches, Modbus Serial to TCP/IP converter etc..Cat6 cable and other required accessories for successful commissioning- To be installed and supplied from respective switgear upto computer. |
| 81 | The HMI must include a historical alarm and event list with precise time stamps generated in the protection relays and transmitted in compliance with IEC 61850. The historian should include sorting and filters options for event/alarm text, bay, period of time and event/alarm class. The Sub –Station online monitoring system should be able to generate display as per requirement on the following matters: Transformer status like Load, PF, OTI and WTI etc.Protection data and Relay configuration.Fault records.DR records.Event Records.Interruption data ( interruption >10 mins – The time interval selection data shall be site configurable ). Energy data like ( kWh, kVA, pf, three phase Voltage and Currents etc.) |
| 82 | The interface will allow full control over the switchgear in compliance with IEC 61850 to operators with sufficient credentials. Control elements such as switching buttons must only be visible to users with the appropriate authorization levels. |
| 83 | The control system must support the \\"Select before Operate\\" function of IEC 61850 and the user interface must include two-stage commands. All open/close commands must be fully interlocked with any alarms/trips and in compliance with IEC 61850.All command actions must be protocoled in the event list with an indication of the logged-in user account.The control system will fully integrate downstream protection relays via IEC 61850 over the LAN. Numerical Relays and Smart HMI Software must be for same make for integration , coordination and better life cycle optimization. RTU based solution are any envisaged. As per technical specificationSubstation SCADA as described above for 11KV Complete switchboard (existing & new) distribution panel.Make of Nuerical relay & Scada must be same for smooth integration. |
| 84 | 05-Nos. Complete Substation automation system for 66kV bay as per Technical specification. |
| 85 | 25-Nos. Complete Substation automation system for 11kV bay as per Technical specification. |
| 86 | 01 No. Complete Substation automation system for controling and monitoring auxilury system incuding BCU as per Technical specification. |
| 87 | As above mention |
| 88 | BATTERY & BATTERY CHARGER |
| 89 | Supply, assembling, installation DC batteries shall be VRLA (Valve regulated Lead Acid) type & shall be Normal Discharge type and shall conform to IS 15549:2004/ IEC 60896-21 & 22:2004/ BS 6290-PART IV/ IEEE-1188 standard. These batteries are to be factory-filled, charged & shall be suitable for a long life under continuous float operations & occasional discharges.The 220V DC system is unearthed system. The offered battery shall be compact and shall require no maintenance. All safety equipment required for installation shall be provided by the manufacturer. |
| 90 | The rated voltage output equals to 220V DC consisting of required number of lead acid cell of 2V each with specific gravity tester. |
| 91 | Capacity will be 125 Amp hours. |
| 92 | Supply, installation, testing and commissioning of float cum boost battery charger having the following features as per technichal specification. |
| 93 | Input supply 415V AC Three phase, 50Hz |
| 94 | Output suitable to charge VRLA battery bank of 220V D.C. |
| 95 | Maximum current output will be 50 Amps trickle charge. |
| 96 | All necessary indication |
| 97 | Digital ammeter and voltmeter |
| 98 | Indicating light for power On, battery undercharging and trickle charging etc. |
| 99 | The charger to be housed in sheet steel enclosure with louvers and cooling fans |
| 100 | DCDB panel 1 incomer + 1 Bus coupler and 15 O/G ,16A DB MCB. |
| 101 | Supply, Installation, testing and commissioning 220V DCDB. The DCDB shall be housed in a sheet steel cubicle and it should be vermin proof as far as possible which applies to both charging equipment & DCDB. The DCDB shall have one incomer and one bus coupler. The DCDB shall match with the battery charging equipment and should be complete with bus bars of suitable capacity, wiring, rating plates, glands and fixing bolts. DCDB shall be provided with MCCB for incomer & MCB outgoing control. Switchgear shall be provided with two bus bars for positive and negative. Bus bars shall be of uniform cross section throughout the length of the switchgear and up to the incoming terminals of feeder circuit breaker/switch. |
| 102 | Switchgear shall be designed in such as way that all component equipment operate satisfactorily without exceeding their respective maximum permissible temperature rises under temperature conditions prevailing within the switchgear cubicles and shall meet the technical requirements & drawings complete and as directed by EIC. |
| 103 | As above mention |
| 104 | 11 kV Air Insulated Indoor Panel ( 1 Incommer, 1 Bus Coupler with bus riser and 7 Outgoing Feeder & 1 Capacitor Feeder , with provision for future extension). |
| 105 | Supplying, Installation, Testing & Commissioning indoor type panels shall be constructed from CRCA/ Aluminium Zinc coated steel sheet of 2 mm thickness, floor mounted metal enclosed, 11 KV VCB panel, totally enclosed and fully interlocked, horizontal draw out, horizontal isolation type breaker as per IEC-62271-1,100,200, as amended up to date and additional SPecifications, having capacities as mentioned below, single break, trip free mechanism, manually charged and manually closing breaker suitable for use on 11 KV, 3 phase, 50 Hz A.C. supply with short circuit fault level of Minimum 25KA for 3 sec , Panel shall be full internal arc tested i.e. in all three chambers at Minimum 25KA for 1 sec for safety purpose (AFLR). |
| 106 | Compete with self contained, fully interlocked, rack in and rack out mechanism, air insulated HT sleeved (PVC sleeve is not accepted) self supported copper bus bars of 1250 amps capacity, breaker featured with mechanical ON/ OFF indicator with hand trip coil and auxiliary switch of 4 NO+4NC and equipped with following switchgears and accessories. Make of Vacuum interrupter, circuit breaker, Panel, relays & meters shall be same. Cable compartment suitable for 2RX3C x 300 sq. mm XLPE 11 KV cable (Cable entry from bottom) end termination with heat shrinkable jointing material etc as reqd. There must be a viewing window on VCB chamber door and same must be as per Internal arc test report. The basic insulation level of entire panel shall be 28KV(RMS) / 75KV(Peak). |
| 107 | There must be one Ethernet Switch of minimum 16 nos. ethernet copper port and 1 nos. Serial to TCP Converter, Modbus RS485 to Modbus TCP/IP for energy meter access to be mouted on bus-coper/raise panel for hooking up all the numerical relays of new panels for substation automation purpose.Note (Only OEM panel are acceptable.) |
| 108 | Incommer Feeder: |
| 109 | (a)SITC of 11kV, 1250A, Minimum 25KA for 3 sec with spring charging motor rated for 230V AC, tripping coil and closing coil at 220V DC. |
| 110 | b) 11 KV / 110 Volts PT Class 0.5 accuracy and 50 VA burden with 1 No. Voltmeter(0-15 KV), digital type selector switch for voltmeter and protection fuses / MCB for HT metering upto 12 KV on incomer. (0-50-100A) comply with IS 3156. PT must not be on the top of the panel. -1 Set. |
| 111 | c)Epoxy cast wound current transformer (CT),12KV of ratio 600-1200 /5+5+5 A, 5P10/0.5, 5 VA burden with metering and protection core including necessary control wiring - 3 Nos |
| 112 | d) MFM Meter (Modbus complaint with RS485 port) and Digital type Ammeter & Voltmeter - 1 No. |
| 113 | e) Flush mounted type Microprocessor based numercial IDMT relay with O/L, E/L , S/C, U/V, O/V communicable on IEC 61850 Ed.2.1 protocol for communication & drawout type. The relay shall include an LCD matrix display which supports mimic (e.g. single line diagram can be drawn) and at least 8 LEDs at the front. The relay shall be visible conformal coating for harsh environment, The device shall have USB/RJ45 communication port in the front for the setting software use and at the rear there shall be 2xRJ45 Ethernet port. Relay shall support HSR/PRP redundancy. The IEC 61850 Ed.2.1 communication has to support peer to peer communication, The device shall be provided with at least 16 digital inputs, 10 digital outputs and a watchdog contact. Both digital input and output shall be freely programmable. |
| 114 | f) Control: (i)TNC (Trip, Neutral & Close) breaker control switch with indicating arrangement, (ii) Local/Remote selector switch for breaker open/close operations. |
| 115 | g) R,Y,B ON, OFF, Trip Indication with Control MCB - 1 Set |
| 116 | h) Annunciator -8 Window- 1Set |
| 117 | i) Complete with Master Trip/ Anti pumping relay ,Emergency trip. |
| 118 | 01 Nos. Buscoupler with Bus Riser Feeder |
| 119 | a)01 Nos. SITC of 11kV, 1250A, Minimum 25KA for 3 sec with spring charging motor rated for 230V AC, tripping coil and closing coil at 220V DC. |
| 120 | (b)Epoxy cast wound current transformer (CT),12KV of ratio 600-1200/5+5+5 A, 5P10/0.5s, 5 VA burden with metering and protection core including necessary control wiring. |
| 121 | c)Digital Multifunction Meter with RS485 port and Digital type Ammeter - 1 No. |
| 122 | d) Flush mounted type Microprocessor based numercial IDMT relay with O/L, E/L , S/C, U/V, O/V communicable on IEC 61850 Ed.2.1 protocol for communication & drawout type. The relay shall include an LCD matrix display which supports mimic (e.g. single line diagram can be drawn) and at least 8 LEDs at the front. The PCB cards of the device shall be physical visible conformal coated. The relay shall be visible conformal coating for harsh environment, The device shall have USB/RJ45 communication port in the front for the setting software use and at the rear there shall be 2xRJ45 Ethernet port. Relay shall support HSR/PRP redundancy. The IEC 61850 Ed.2.1 communication has to support peer to peer communication, The device shall be provided with at least 16 digital inputs, 10 digital outputs and a watchdog contact. Both digital input and output shall be freely programmable. |
| 123 | e) Control: (i)TNC (Trip, Neutral & Close) breaker control switch with indicating arrangement, (ii) Local/Remote selector switch for breaker open/close operations. |
| 124 | f) R,Y,B ON, OFF, Trip Indication with Control MCB - 1 Set |
| 125 | g) Annunciator -8 Window- 1Set |
| 126 | h)Complete with Master Trip/ Anti pumping relay ,Emergency trip. |
| 127 | Outgoing - 7 No- 630 Amp VCB panels and each shall be consisting of |
| 128 | a)01 Nos. SITC of 11kV, 630A, Minimum 25KA for 3 sec with spring charging motor rated for 230V AC, tripping coil and closing coil at 220V DC. |
| 129 | (b)Epoxy cast wound current transformer (CT),12KV of ratio 150-300/5+5+5 A, 5P10/0.5s, 5 VA burden with metering and protection core including necessary control wiring. |
| 130 | c)Digital Multifunction Meter with RS485 port and Digital type Ammeter - 1 No. |
| 131 | d) Flush mounted type Microprocessor based numercial IDMT relay with O/L, E/L , S/C, U/V, O/V communicable on IEC 61850 Ed.2.1 protocol for communication & drawout type. The relay shall include an LCD matrix display which supports mimic (e.g. single line diagram can be drawn) and at least 8 LEDs at the front. The PCB cards of the device shall be physical visible conformal coated. The relay shall be visible conformal coating for harsh environment, The device shall have USB/RJ45 communication port in the front for the setting software use and at the rear there shall be 2xRJ45 Ethernet port. Relay shall support HSR/PRP redundancy. The IEC 61850 Ed.2.1 communication has to support peer to peer communication, The device shall be provided with at least 16 digital inputs, 10 digital outputs and a watchdog contact. Both digital input and output shall be freely programmable. |
| 132 | e) Control: (i)TNC (Trip, Neutral & Close) breaker control switch with indicating arrangement, (ii) Local/Remote selector switch for breaker open/close operations. |
| 133 | f) R,Y,B ON, OFF, Trip Indication with Control MCB - 1 Set |
| 134 | g) Annunciator -8 Window- 1Set |
| 135 | h)Complete with Master Trip/ Anti pumping relay ,Emergency trip. |
| 136 | Outgoing Capacitor feeder- 1 No- 630 Amp VCB panels and each shall be consisting of |
| 137 | a)01 Nos. SITC of 11kV, 630A, Minimum 25KA for 3 sec with spring charging motor rated for 230V AC, tripping coil and closing coil at 220V DC. |
| 138 | (b)Epoxy cast wound current transformer (CT),12KV of ratio 150-300/5+5+5 A, 5P10/0.5s, 5 VA burden with metering and protection core including necessary control wiring. |
| 139 | c)Digital Multifunction Meter with RS485 port and Digital type Ammeter - 1 No. |
| 140 | d) Flush mounted type Microprocessor based numercial IDMT relay with O/L, E/L , S/C, U/V, O/V communicable on IEC 61850 Ed.2.1 protocol for communication & drawout type. The relay shall include an LCD matrix display which supports mimic (e.g. single line diagram can be drawn) and at least 8 LEDs at the front. The PCB cards of the device shall be physical visible conformal coated. The relay shall be visible conformal coating for harsh environment, The device shall have USB/RJ45 communication port in the front for the setting software use and at the rear there shall be 2xRJ45 Ethernet port. Relay shall support HSR/PRP redundancy. The IEC 61850 Ed.2.1 communication has to support peer to peer communication, The device shall be provided with at least 16 digital inputs, 10 digital outputs and a watchdog contact. Both digital input and output shall be freely programmable. |
| 141 | e) Control: (i)TNC (Trip, Neutral & Close) breaker control switch with indicating arrangement, (ii) Local/Remote selector switch for breaker open/close operations. |
| 142 | f) R,Y,B ON, OFF, Trip Indication with Control MCB - 1 Set |
| 143 | g) Annunciator -8 Window- 1Set |
| 144 | h)Complete with Master Trip/ Anti pumping relay ,Emergency trip. |
| 145 | As above mention |
| 146 | Supplying of following size of XLPE insulated , PVC sheathed cable of 11kV grade , aluminium conductor, individual core screwed, flat steel strip armoured,comforming to IS: 7098 (Part 2) with upto date ammendment complete as required. |
| 147 | Supplying and making indoor cable end termination with heat shrinkable jointing kit complete with all accessories including lugs suitable for following size of 3 core, XLPE aluminium conductor cable of 11 kV grade as required. |
| 148 | 3C X 300 sq. mm |
| 149 | Laying of one number PVC insulated and PVC sheathed / XLPE power cable of 11 KV grade of following size in the existing RCC/ HUME/ METAL pipe as required. |
| 150 | Above 120 sq. mm and upto 400 sq. mm |
| 151 | Nitrogen Injected Fire Protection System |
| 152 | Supply, Installation, Testing and Commissioing of N2 Fire Suppression System for 66/11kV, 16 MVA, Outdoor type Power Transformer complete with Fire Extinguishing cubicle , N2 gas cylinder ,local control box, remote control panel, signal box, heat detectors ,TCIV , and all other accessories as per specification suitable for the above transformer. |
| 153 | Supplying of following sizes of 1.1 kV grade PVC insulated copper conductor armoured stranded Control Cable conforming to IS :1554 complete as required and as per specifications. |
| 154 | 2 core, 2.5 Sq.mm. |
| 155 | 5 core, 2.5 Sq.mm. |
| 156 | 7 core, 2.5 Sq.mm. |
| 157 | 16 core, 2.5 Sq.mm. |
| 158 | 2core, 4 Sq.mm. |
| 159 | 4 core, 4 Sq.mm. |
| 160 | Laying of one number PVC insulated and PVC sheathed / XLPE power cable of 1.1 KV grade of following size in the existing RCC/ HUME/ METAL pipe as required. |
| 161 | Upto 35 sq. mm |
| 162 | Supplying and making end termination with double brass compression gland and Copper lugs for following size of PVC sheathed copper conducter armoured control cable of 1.1 kV grand as required. |
| 163 | 2 core, 2.5 Sq.mm. |
| 164 | 5 core, 2.5 Sq.mm. |
| 165 | 7 core, 2.5 Sq.mm. |
| 166 | 12 core, 2.5 Sq.mm. |
| 167 | 2core, 4 Sq.mm. |
| 168 | 4 core, 4 Sq.mm. |
| 169 | Supply and eraction of Lattice type galvanized steel structure and hardware inclusing nut bold and foundation bolts switch yard fabricated from steel confirming to IS: 2062 for TOWER, 66KV LA, 66KV CT, NCT, 66KV ISOLATOR, Etc. as required |
| 170 | MISCELLANEOUS EUIPMENTS : |
| 171 | Supply and Eraction of the following items for 66kV bay extension work. |
| 172 | HARDWARE FITTING WITH COMPLETE STRINGS OF DISC INSULATOR |
| 173 | ACSR Conductor 0.4\\"(Zebra) |
| 174 | T Clamp |
| 175 | Pad Clamp for Isolator |
| 176 | Pad Clamp for SF6 |
| 177 | Pad Clamp for LV Busing |
| 178 | 66kv CT Clamp |
| 179 | 66kv NCT Clamp |
| 180 | 11kv NCT Clamp |
| 181 | 66kv Transformer HV Busing Clamp |
| 182 | Suspencion Clamp Complete Fitting for Zebra Conductor |
| 183 | Tension Clamp Complete Fitting for Zebra Conductor |
| 184 | As above mention |
| 185 | Earthing with G.I. earth pipe 4.5 metre long, 40 mm dia including accessories, and providing masonry enclosure with cover plate having locking arrangement and watering pipe etc. with charcoal/ coke and salt as required |
| 186 | Providing and fixing earth bus of 50 mm X 5 mm copper strip on surface for connections etc. as required. |
| 187 | Supplying and laying of following size DWC HDPE pipe ISI marked along with all accessories like socket, bend, couplers etc. conforming to IS 14930, Part II complete with fitting and cutting,jointing etc.direct in ground (75 cm below ground level) including excavation and refilling the trench but excluding sand cushioning and protective covering etc., complete as required. |
| 188 | 160 mm dia (OD-160 mm & ID-135 mm nominal) |
| 189 | SITC of 20kVA Diesel Generator CPCB-IV |
| 190 | Supplying, loading, Installation, testing & commissioning of Diesel Generating set having Prime Power Rating as detailed , Radiator Cooled without cooling tower, with Acoustic Enclosure with Hospital Type silencer, 415 Volts at 1500 RPM, 0.8 lagging power factor suitable for 50 Hz, 3 phase system and as per latest CPCB-IV. The DG Sets shall be suitable for being overloaded upto 10% of the rated capacity for 1 hour in every 12 hours and consisting of the followings: The DG set shall be suitable for above 0.85 loading factor with net output shall be as detailed KVA as per site conditions. |
| 191 | The job involves dismantling the existing DG sets and SITC of new DG sets at the same location, along with the termination of existing cables ensuring that the new DG sets are properly connected to the existing AMF (Automatic Main Failure) with control wiring and existing accessories such as exhaust pipes, earthing systems, fuel pipes, and any other necessary components as required. |
| 192 | A. DIESEL ENGINE: |
| 193 | Diesel Engine 4 stroke Radiator cooled, electric start, of suitable BHP at 1500 RPM suitable for above output of alternator at 50 Degree C, 50% RH & at 1000 MSL and conforming to BS 5514, BS 649, IS 10000, capable of taking 10% over loading for one hour after 12 hours of continuous operation. The engine will be fitted complete with all the required accessories. |
| 194 | Type: Radiator Cooled without Cooling Tower |
| 195 | Fuel injection: As per manufacturer |
| 196 | Engine Starting : Battery Starting. |
| 197 | Starting position : Universal. Auto/Manual |
| 198 | The Engines shall include:• Flywheel with guard.• Flexible connection.• Bellow / expansion joints• Air Cleaner• Blower fan• Electronic governor with electronic fuel injection system• Fuel and lube oil filters and pumps• Day Fuel tank with visual level indicators etc.• Silencer as per latest amendments of MOEF/CPCB • Safety controls• Instrument panel |
| 199 | B. ALTERNATOR: |
| 200 | Synchronous alternator rated as detailed KVA, 415 volts at 1500 RPM, 3 phase 50 HZ, AC supply with 0.8 lagging power factor at 50 Degree C, 50% RH & at 1000 Meter MSL. The alternator shall be having SPDP enclosure, brushless, continuous duty, self excited & self-regulated through AVR conforming to IS:4722/BS 2613 suitable for tropical condition and with Class-H insulation. |
| 201 | Type : Brushless. |
| 202 | Actual Power As detailed KVA at 20 deg C. |
| 203 | Frequency : 50 Cycles/sec. |
| 204 | Supply System: 3 phases & neutral |
| 205 | Connection : Star. |
| 206 | Rated rpm. : 1500 RPM |
| 207 | Casing protection : As per IP-23 |
| 208 | Insulation : Class `H'. |
| 209 | Power Factor : 0.8. |
| 210 | Controller : The DG sets should be suitable for Auto Synchronization & Auto Load Sharing with micro process based Synchronization controllers like Woodward/PCC (Power Command Control) or equivalent including providing of Engine Control Panel as per OEM. |
| 211 | C. ACCESSORIES: |
| 212 | The Diesel Engine shall be equipped with minimum following/ as indicated in the specifications, devices/ accessories built-in type including all standard fittings. |
| 213 | Fuel supply pump with manual venting pump. |
| 214 | Turbo charger with air filter (dry/oil bath type) and damper. |
| 215 | Charge air cooler. |
| 216 | Suction fuel filter |
| 217 | Lube oil filter. |
| 218 | Hour meter and RPM indicator. |
| 219 | Battery Starting Mechanism. |
| 220 | Instrument/Indication panel complete with the followings; |
| 221 | a) Starting Switch with key. |
| 222 | b) Lub. Oil Temp. gauge. |
| 223 | c) Lub. Oil Pressure Gauge. |
| 224 | d) Water Temp. gauge. |
| 225 | Control devices for safety and monitoring along with indicators. |
| 226 | Common base/foundation frame. |
| 227 | Daily service fuel tank inbuilt/ External Day tank of min 200 liters capacity(as per manufacturers) fabricated out of CRCA 2 mm thick MS sheet complete with all standard accessories and fuel piping between fuel tank and diesel engine with MS Class C pipe of suitable dia. complete with valves, level indication, flow switch & twin fuel filters with fuel injectors and accessories as required as per specifications. |
| 228 | Anti vibration pads |
| 229 | 24 V DC Starting system comprising of starter motors: Voltage regulator and arrangement for initial excitation complete with suitable nos. of Maintenance free batteries as per manufacturer standards for minimum 6 no. consecutive starts as required as per specifications. |
| 230 | The cost of initial charge of lubricants, coolant etc. |
| 231 | Base Frame & Foundation: |
| 232 | Both the engine and alternator shall be mounted on suitable base frame made of M.S Channel shall be installed on cement concrete foundation and vibration isolation arrangement. |
| 233 | Accoustic and weather proof enclosure with arrangement for fresh air intake for cooling of the engine & alternator, extraction, discharging hot air in to the atmosphere as per norms of CPCB-IV sound proofing done with help of high quality rock wool is further covered with fiberglass sheet and perforated powder coated sheet or as per OEM Standard design |
| 234 | The DG Sets shall include the cost of all accessories, fittings, protections, instruments, safety controls, alarms, indications etc. complete as per specifications, as required |
| 235 | Diesel Generating Set (20 KVA) as described above. |
| 236 | Supplying, installation, testing & commissioning of Hot and Cold , Minimum 3 star rating 2 Ton Split Type AC unit operating on cooling mode ambient temprature upto 45 Degree Celsius and Heating mode ambient temprature upto -10 degree Celsius having 100 % Copper Condensing Coils, & cooling coils energy Efficient rotary/swing Compressor in Outdoor Units, first charged R32/R410 refrigerant Gas i/c Providing copper conductor refrigerant pipes and polymer braded PVC 3.0mm thick drainage pipe without joint with 6.0 mm nitrile rubber insulation and interconnection wire b/w indoor and outdoor upto 4.0 mtr, connection of wires etc complete as required |
| 237 | Excavation for cable trench in soft soil, dept upto 1.2M including dressing of side lift upto 1.5M, Including getting out the excavation soil, rifilling with sand and or good soil after laying of cables/pipes etc. in layers of 20cm, ramming, watering and disposal of surplus of excavated soil as directed with in lead of 50 meter. |
| 238 | Add GST Difference @ 6.33 % (MF=0.0633) |
| 239 | Less Rebate on following materials after de termination and dismantling from existing Relay panel and DG set including transportation from PGI. |
| 240 | 66 KV CRP Panel |
| 241 | 62.5 KVA DG set |
| 242 | Part B : Civil work |
| 243 | Foundation for outdoor switchgear ie.Tower,CT,NCT,Isolator,LA, Transformer, NIFPS, Existing trench repaired etc. |
| 244 | Earth work in excavation by mechanical means (Hydraulic excavator) / manual means in foundation trenches or drains (not exceeding 1.5 m in width or 10 sqm on plan), including dressing of sides and ramming of bottoms, lift upto 1.5 m, including getting out the excavated soil and disposal of surplus excavated soil as directed, within a lead of 50 m. |
| 245 | All kinds of soil. |
| 246 | Providing and laying in position cement concrete of specified grade excluding the cost of centering and shuttering - All work up to plinth level : |
| 247 | 1:5:10 (1 cement : 5 coarse sand (zone-III) derived from natural sources : 10 graded stone aggregate 40 mm nominal size derived from natural sources) |
| 248 | Providing and laying in position specified grade of reinforced cement concrete, excluding the cost of centering, shuttering, finishing and reinforcement - All work up to plinth level : |
| 249 | 1:1.5:3 (1 cement : 1.5 coarse sand (zone-III): 3 graded stone aggregate 20 mm nominal size) |
| 250 | Reinforced cement concrete work in walls (any thickness), including attached pilasters, buttresses, plinth and string courses, fillets, columns, pillars, piers, abutments, posts and struts etc. above plinth level up to floor five level, excluding cost of centering, shuttering, finishing and reinforcement : |
| 251 | 1:1.5:3 (1 cement : 1.5 coarse sand(zone-III) derived from natural sources : 3 graded stone aggregate 20 mm nominal size derived from natural sources) |
| 252 | Centering and shuttering including strutting, propping etc. and removal of form for : |
| 253 | Foundations, footings, bases of columns, etc. for mass concrete |
| 254 | Walls (any thickness) including attached pilasters, butteresses, plinth and string courses etc. |
| 255 | Steel reinforcement for R.C.C. work including straightening, cutting,bending, placing in position and binding all complete upto plinth level. |
| 256 | Thermo-Mechanically Treated bars of grade Fe-500D or more. |
| 257 | Steel reinforcement for R.C.C. work including straightening, cutting, bending, placing in position and binding all complete above plinth level. |
| 258 | Thermo-Mechanically Treated bars of grade Fe-500D or more. |
| 259 | Brick work with common burnt clay F.P.S. (non modular) bricks of class designation 7.5 in foundation and plinth in: |
| 260 | Cement mortar 1:6 (1 cement : 6 coarse sand) |
| 261 | Structural steel work in single section for rail gauge fixed with or without connecting plate, including cutting, hoisting, fixing in position and applying a priming coat of approved steel primer all complete |
| 262 | 90 lbs / yard |
| 263 | 12 mm cement plaster of mix : |
| 264 | 1:6 (1 cement: 6 fine sand) |
| 265 | Painting with synthetic enamel paint of approved brand and manufacture to give an even shade : |
| 266 | Two coats |
| 267 | Demolishing cement concrete manually/ by mechanical means including disposal of material within 50 metres lead as per direction of Engineer - in - charge. |
| 268 | Nominal concrete 1:4:8 or leaner mix (i/c equivalent design mix) |
| 269 | Steel work welded in built up sections/ framed work including cutting, hoisting, fixing in position and applying a priming coat of approved steel primer using structural steel etc. as required. |
| 270 | In stringers, treads, landings etc. of stair cases, including use of chequered plate wherever required, all complete |
| 271 | In gratings, frames, guard bar, ladder, railings, brackets, gates and similar works Please Enable Macros to View BoQ information |
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