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| 1 | Sub Head I-HT Panel & Transformers and Bus TrunkingSupplying, Installation, Testing & Commissioning of indoor type floor mounted metal clad, 11 KV VCB panel totally enclosed & fully interlocked, horizontal drawout, horizontal/ vertical isolation floor rolling type breaker as per IS 13118, IEC-62271-100 & 62271-200 & 60694, as amended up to date and additional specifications, having capacities as mentioned below, single break, trip free mechanism, Elecrically charged and auto/manually closing breaker suitable for use on 11 KV, 3 Phase, 50 Hz A.C. supply with short circuit fault level of 350 MVA, rated Short circuit breaking capacity of 26.3 KA for 3 sec and internal arc fault withstand capacity of 26.3 KA for min. 1 sec complete with self contained, fully interlocked, rack in and rack out mechanism, air insulated but encapsulated copper bus bars of 800 Amps capacity, breaker featured with mechanical ON/OFF indicator with hand trip device, spring release coil, shunt trip coil and auxiliary switch of 4 NO+4 NC and equipped with following switchgears and accessories i/c connections suitable for 3 core x 240 sq. mm. XLPE 11 KV cable (cable entry from rear bottom) end termination with heat shrinkable jointing material etc. as required. Note : (i) The Panel Board shall be OEM made only. Franchise made MV Switchboards shall not be accepted.(ii) Cost of end termination not included in this item.(iii) Panel shall be type tested fromNABLaccredited labs like CPRI/ ERDA etc. i/c Seismic Compliance Zone-IV and should be internal are tested AFLR (Front, Lateral, rear) protections as per IEC62271-200. |
| 2 | INCOMER SWITCHGEAR PANEL 1 No. 800 Amp. VCB, 500 MVA, 26.3 KA/3 sec. Spring charged motor - 230 V AC 1 No. – withdrawal type 11 KV / 110 Volts three phase PT of Class 0.5 accuracy for metering, class 5P10 for protection.and 100 VA burden with associated encapsulated HRC fuses for primary isolation, space heaterwith 1 No. caliberated intelligent multifunction digital panel meter of 0.5 accuracy with multiline display with communication interface port RS485 for giving output on BECNET/ MODBUS protocol of IBMS for recording V, A, KVA, KVAR, KW, KWhr, pf etc. complete with wiring connections etc. asrequired at site. 1 No. – (0-300 A) Ammeter, digital type withselector switch. 1 No. – Microprocessor based numerical relay with O/L, E/F and S/C protection. 1 No. – Set of dual core dual ratio 3 CTs 150/75/5/5 A of 15 VA burden and accuracy Class – 1.0 for metering and class 5P10 for protection. Trip circuit supervision relay. Control switch Indication lamps for ON, OFF, TCH, Auto trip, R,Y,B indication, spring charging space Heater Digital multi function meter , 96 X 96 mm with operation on MODBUS/ TCP-IP protocol Emergency push button 1 set of surge arrestors as per OEM recommendation Earth switch with making capacity for cable side earthingOUTGOING SWITCHGEAR PANEL 2 Nos. 800 Amp. VCB, 500 MVA, 26.3 KA/3 sec.Spring charged motor - 230 V AC 2 Nos. – (0-100 A) Ammeter, digital type with selector switch. 2 Nos. – Microprocessor based numerical relays with O/L, E/F & S/C protections. 2 sets – Set of dual core dual ratio 3 CTs 60/30/5/5 A of 15 VA burden and accuracy Class – 1.0 for metering and class 5P10 for protection.Trip circuit supervision relay. Control switch Indication lamps for ON, OFF, TCH, Auto trip, R,Y,B indication, spring charging, push buttons, space heater with thermostatcomplete with all standard accessories for each outgoing as required at site. Hooter Digital multi function meter , 96 X 96 mm with operation on MODBUS/ TCP-IP protocol Emergency push button 1 set of surge arrestors as per OEM recommendation Earth switch with making capacity for cable side earthingAuxillary relays for protection of chilers.8 way alarm annunciator window.Power pack with 220 Volt AC input & 24 Volt DC continuous output suitable for closing/ tripping/ indication of HT panel board with 2 Nos. 12 Volts each maintenance free batteries of 100 AH each for all 3 panels ( 1 I/C +2 O/G), charging unit, capacitor bank for emergency delivering for trip system complete with suitable capacity of Ammeter & Voltmeter i/c connections with 2.5 sq. mm FRLS insulated copper conductor cable etc. as required.All necessary items required for completion of panel like MCBs, DBs etc. shall be provided alongwith the panel.etc complete as required. |
| 3 | Supply, Installation, Testing & Commisioningof copper wound 1000 KVA, 11/0.433 KV , Delta/Star, vector group Dyn11, indoor mounting, oil cooled ONAN transformer with ONload Tap Changers (OLTC) having AVS relay and RTCC for automatic sensing of incoming voltage, automatic operation of OLTC and facility for remote manual operation of OLTC, suitable for incoming voltage variation of +5% to -15% in equal steps of 1.25 % to give a constant secondary voltage. The transformer shall be provided with fittings, accessories, protection, first filing of oil etc. including Buchholz relay oil/ winding temperature, alarm/ trip protection, surge arrestor, bidirectional rollers, wiring up to marshalling box, complete as per specifications and as required. The transformer shall be provided with arrangement of weather proof HT cable box to terminate 3Cx240 sqmm XLPE cable onprimary and suitable capacity of bus trunking on secondry side with 8 mm thick gland plate on primary an secondary side. The Transformers shall confirm to IS: 1180 Part-VI & IS 2026. The Lossesshall be as per ECBC 2017 as amended from time to time. The transformer shall be suitable for Solar Power integration for net metering system. |
| 4 | Supplying, installing by suspension on ceiling, testing and commissioning of following capacity Sandwich Type Rising Mains for use on 3 phase 4 wire 415 volts, 50Hz A.C. supply with metal clad enclosure having IP-54 rating after fixing the tap off boxes and all accessories, made of 1.6mm thick steel sheet duly powder coated in convenient sections complete with 4 Nos aluminium bus bars having current density of 130 A/ sq cm at nominal current rating, necessary joints, elbow joints & expansion joints and bends, fire barrier at each floor, provision of tapping at every metre, adopter box and copper flexible for joints, continuous earthing with 2 Nos aluminium strip of suitable size (one on each side) including, G.I. clamping brackets, suspenders, angle iron bracket, steel fasteners, connecting to earthing system etc. as required a)1600 A 50kA SC for 1 sec |
| 5 | Sub Head II-HT Cable |
| 6 | Supply of following sizes of 11kV grade multicore aluminium conductor XLPE armoured power cable as per IS: 7098amended upto date as per the following size.3C X 240 Sq mm |
| 7 | 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.Above 120 sq. mm and upto 400 sq. mm |
| 8 | Supplying and making indoor cable end jointing with cast resin compound, including lugs and other jointing materials, for following size of 3 core, XLPE aluminium conductor cable of 11KV grade as required : 240 Sq mm |
| 9 | Supplying and fixing cable route marker with 10 cm X 10 cm X 5mm thick G.I. plate with inscription there on, bolted /welded to 35 mm X 35 mm X 6 mm angle iron, 60 cm long and fixing the same in ground as required. |
| 10 | Laying of one number PVC insulated and PVC sheathed / XLPE power cable of 11 KV grade of following size in the existing masonry open duct as required.Above 120 sq. mm and upto 400 sq. mm |
| 11 | Sub Head III -LT PANEL AND APFC PANEL |
| 12 | Main LT Panel Supply, Installation, testing & commissioning of dust damp and vermin proof factory built modular bolted construction extendable type PLC BASED AUTO SYNCHRONISING, AUTO LOAD TRANSFER, AUTO LOAD SHARING, AUTO LOAD BALANCING Main LT panel suitable for 415 V, 3 Phase, 4 wire 50 Hz. AC supply system fabricated in compartmentalized design from CRCA sheet steel of 2mm thick for frame work and covers, doors of1.6 mm thick sheet & 3mm thick for glands plates having 4B segregation and IP 42 protection i/c cleaning and finishing complete with 9 tank process for powder coating of approved shade &color, short circuit withstand capacity of 31 MVA for 1 Sec. bottom base channel of MS Section not less than 75mm x 50mm x 5mm thick, fabrication shall be done in transportable sections, entire panel shall have a common aluminum earth bar of size 50mm x 6mm at the rear with 2 Nos. earth stud, solid connections from main bus bar to switch gears with required size of Al. bus bars and control wiring with 2.5 Sq mm. FRLS PVC insulated copper conductor S/C cable, cable alleys, cable gland plates in two half having knock outs for cable glands of required size. Panels shall be suitable for 415V, 3-phase, 4-wire, 50Hz supply system and with 20% spare space, lifting hooks shall also be provided in case of large panels. (Panel shall be as per IS/ IEC 61439 (part 1 & 2) type tested from NABLaccredited labs like CPRI/ ERDA etc. i/c. Seismic Compliance Zone-IV and should be internal arc tested at 50KA for 0.1-0.5 sec. as per IEC 61641. Panel should also have minimum mechanical impact strength of IK09 as per IEC 62262)All ACBs should have Ics=Icu=Icw for 1 secAll MCCBs shall be rating for 50kA (Ics=Icu). All MCCBs above 63A should be provided with Copper Spreader TerminalsApproval shall be taken for each panel before fabrication. Galvanized hardwares with zinc passivation shall be used in fabrication of panels. Panel Vendor shall coordinate with the Main Electrical Contractor .Surge suppressor of 36 KA shall be provided between phase to neutral and neutral to earth at each bus section.All MCCBs will have adjustable microprocessor O/L, S/C & inbuilt E/F protections.All outgoings shall be rating for 50kA (Ics=Icu for 1 sec)Set of RYB phase indicating lamps with control MCBs on each outgoing to be provided. Each backed up with 2A MCB.ACB outgoing shall be provided with Trip lamp also. All Multifunction meters are suitable (Transformer shall be provided with suitable ratio CL-1, 15VA Cast resin CTs.All outgoings shall be provided with multifunction meters of 3-phase, with all functions with RS 485 communication port. Cable entry suitable from top and bottomDLP Gas flooding system using heat detection tube for complete LT Panel including Gas, Gasbank, tubes , LP Switch,Master control unit, associated piping network, actuators, valves etc complete as required.Interlocking between transformer and bus-couplers feeders shall be provided to avoid Paralleling power supply of Discom.Details Incoming From Transformer\"s (2 Nos. 1000KVA) Incomer feeder - 2 Nos.a) 1600 A, 4P, 50 KA Air Circuit Breaker Horizontal drawout typeof fault breaking capacity 50KA (Ics=lcu =Icw for 1 sec) upto 690V) Electrical Draw Out Motorized operated, fitted with interlocked door, automatic safety shutters, mechanical ON/OFF and service/ test/isolated position indicators and frame earthing contact, conforming to IS-13947-2 1993 as amended up-to-date complete with following accessories for each ACB - 2 Nos. b) Independent Electrical / manualspringclosing mechanism - I No. c) Microprocessorrelease (EMI& EMC certified) for over current, earth fault & short circuit protection - I set. d) calibrated Intelligent multifunction digital panel meters of class 0.5S accuracy with communication interface port RS 485 for recording Voltage (Between Phases and between each phase and neutral), Current (In each Phase and neutral), KVA, KW, KWhr, KVAR, pf, 64 samples/cycle, Total harmonic distortion, with suitable rating CTsetc. complete with wiring , connections etc. 3 Nos. Phase indication LED lamps with 2 Amp back up MCB, breaker \"ON/OFF\" indicating light with 2A MCB, test terminal block set, circuits as per standard practice, auxiliary contacts for positive interlocking of the breakers as required. Shunt trip coil 220V A.C. 27-Undervoltage with definite time relay - 1 No1 No. DC under voltage trip relayIncoming Breaker (From DG 750 kVA)a) 800 A, 4P, 50 KA Air Circuit Breaker Horizontal drawout typeof fault breaking capacity 50 KA (Ics=lcu =Icw for 1 sec) upto 690V) Electrical Draw Out Motorized operated, fitted with interlocked door, automatic safety shutters, mechanical ON/OFF and service/ test/isolated position indicators and frame earthing contact, conforming to IS-13947-2 1993 as amended up-to-date complete with following accessories for each ACB - 1 nob) Independent Electrical / manualspringclosing mechanism - I No. c) Microprocessorrelease(EMI& EMC certified) for over current, earth fault & short circuit protection - I set. d) calibrated Intelligent multifunction digital panel meters of class 0.5S accuracy with communication interface port RS 485 for recording Voltage (Between Phases and between each phase and neutral ), Current (In each Phase and neutral), KVA, KW, KWhr, KVAR, pf, 64 samples/cycle, Total harmonic distortion, with suitable rating CTsetc. complete with wiring , connections etc. 3 Nos. Phase indication LED lamps with 2Amp back up MCB, breaker \"ON/OFF\" indicating light with 2A MCB, test terminal block set, circuits as per standard practice, auxiliary contacts for positive interlocking of the breakers as required. Shunt trip coil 220V A.C. 27-Undervoltage with definite time relay - 1 No1 No. DC under voltage trip relayRPR-Reverse power relay - 1 NoBus coupler 1600 Amp 4 pole ACB - 1 set.a)Air Circuit Breaker Horizontal drawout typeof fault breaking capacity 36KA (Ics=lcu =Icw) upto 433V) Electrical Draw Out Motorised operated, fitted with interlocked door, automatic safety shutters, mechanical ON/OFF and service/ test/isolated position indicators and frame earthing contact, conforming to IS-13947-2 1993 as amended up-to-date complete with following accessories for each ACB1 no. b) Independent Electrical / manualspringclosing mechanism - I No. c) 3 Nos. Phase indication LED lamps with 2 Amp back up MCB, breaker \"ON/ OFF\" indicating light with 2A MCB, test terminal block set, circuits as per standard practice, auxiliary contacts for positive interlocking of the breakers as required. Bus coupler shall have equipped with the following:Shunt trip coil 220V A.C. Breaker Control Switch - 16A (MCB 10 KA)Bus Bar1500 Amps capacity TPN aluminium extensible type main bus bars of minimum of (As per capacity of corresponding incoming / Bus couplers), and auxiliary bus bar of suitable capacity with heat shrinkable coloured sleeves and i/c DMC/ SMC bus bars supports at required intervals complete for cross section, size supports & their spacing etc. for withstanding fault level of 35 MVA for 1 Sec.(N=50%)Outgoings:-All Microprocessor based release ACB/ MCCB of following capacity and rating, 36 KA (Ics=Icu= 100% upto 690 V) with 3 phase 4 wire dual source type Multifunction meter of class 0.5S accuracywith communication interface port RS 485 for recording V-V (Between Phases and between each phase and neutral ), current ( In each Phase and neutral), KVA, KW, KWhr, KVAR, pf, 64 samples/cycle, Total harmonic distortion, with suitable rating CTs etc. complete with wiring , connections etc. 630 A 36 KA, TP MCCB- 2 Nos. (for cap. panel)800 A 36 KA, 4P ACB- 2 Nos. (1 for Electric room near MAIN BUILDING + 1 no. spare)400 A 36 KA, 4P MCCB- 3 Nos.(1No. for fire fighting panel + 1No. For football feeder pillar+1 No. spare)All Thermal magnetic based release MCCB of following capacity and rating, 36 KA (Ics=Icu= 100% upto 690 V) with 3 phase 4 wire dual source type Multifunction meter of class 0.5S accuracywith communication interface port RS 485 for recording V-V ( Between Phases and between each phase and neutral ), current ( In each Phase and neutral), KVA, KW, KWhr, KVAR, pf, 64 samples/cycle, Total harmonic distortion,with suitable rating CTsetc. complete with wiring , connections etc. 200 A 36 KA, 4P MCCB- 3 Nos. (2 nos. for Hockey Fields)160 A 36 KA 4P MCCB - 5 Nos.(1 no. for STP + 4 nos. spare)100 A 36 KA 4P MCCB - 4 Nos. (1 no. Water supply Pumps + spare -3 nos) Interlocking:Electrical Interlocking through advance contacts/ contactorsin MCCB/ ACB\"s (Incomers & Bus couplers) should be provided to ensure that only one supply is available at a time on each section of bus and to eliminate any possibility of accidentally approaching two supplies at one bus section as per single line diagram enclosed.HMI- 1 setNecessary interlocking with PLC auto controls such that 2 Nos. T/F incomer, 1 No Bus cupler, 1 Nos DG incomer, shall be successfully operational in all possible combinations. |
| 13 | APFC Panel - 215 KVAr (Hybrid type)a) Supplying, installation, testing & commissioning of factory built floor mounted auto-manual power factor correction system panel of 215 KVAr capacity having 3 phase, Mixed Die Electric (total power loss not exceeding 0.50 W/ KVAr)power capacitor in 8 steps, filled with suitable oil and provided with 25 KVAR fixed capacity and balance Electronic Thyristor switching & with 7.0% detuned filters to suppress switching of inrush current and reducing harmonics to improve capacitor life.b) The system shall have microprocessor based power factor controller with power conditioner savers using rapid instruction semi conductor micro controller provided in the command module for target P.F. setting with digital P.F. display. The Controller consists: VAR/ FIFO/ BINARY mode, all three powers, i.e. KVA, KW and KVAR phase wise and system harmonic in all three phases. All three voltages, phase to phase to neutral, Supports MODBUS - RTU Protocol with RS 485 Port with communication card which can communicate with existing BMS System on BACNET/ MODBUS Protocol. The controller graphical LCD display window shall be as per manufacturer’s standard and good engineering practice with programmable back light on time.c) The system Shall be provided with required capacity master relay ACB, to check its main operating parameters such as over loads, short circuit, etc.d) The panel shall be fabricated in compartmentalized design from CRCA sheet steel of 2mm thick for frame work and 1.6 mm thick for covers, i/c cleaning & surface treatmentwith 7 tank process before powder coating in approved shade, having 800 Amp capacity extensible type TPN Aluminium Alloy bus bars of high conductivity, DMC/ SMC bus bar supports, with short circuit withstand capacity of 31 MV A for I Sec., bottom base channel of MS section not less than 100mm x 50mm x 5mm thick, fabrication shall be done in transportable sections, entire panel shall have a common copper earth bar of size 32mmx5mm at the rear with 2 Nos. earth stud, solid connections from main bus bar to switch gears/ accessorieswith required size of Al. bus bars and control wiring with 2.5 sq.mm. PVC insulated FRLS copper conductor Single Core cable, of2 mm thick MS Sheet, provided with exhaust fans (with thermostat) and grills for proper ventilation, interconnections with suitable size conductor cables & lugs and accommodating the following switchgears & accessories:Incomer:1 No. - 630 Amps Four Pole, 36 KA (ICU=ICS), MCCBwith Microprocessor Based release with o/c, s/c protection release all indication, front operating handle & door interlock3 Nos. Phase indication LED lamps with 2Amp back up MCB, breaker \"ON/OFF\" indicating light with 2A MCB, test terminal block set, circuits as per standard practice, auxiliary contacts for positive interlocking of the breakers as required. Automatic P.F.C.R. 11 stage with power factor meter & CT\"s for unbalanced load - 1 Set.Bus Bar :TP aluminium extensible type main bus bars of minimum of 800 Amps. capacity & auxiliary Bus Bars of suitable capacity with heat shrinkable coloured sleeves and i/c DMC/SMC bus bars supports at required intervals complete for cross section, size supports & their spacing etc. for withstanding fault level of 35ka capacity.Outgoings :- Control MCB/ MCCBs with capacitor banks:125Amp. TP MCCB \"35ka\" Thermal Magnetic release having O/L & S/C protection with 50 KVAr, 415 V Heavy duty capacitor bank,Capacitor Duty Contactoretc- 2 sets.63Amp. TP MCCB \"35ka\" Thermal Magnetic release having O/L & S/C protection with 25 KVAr, 415 V Heavy duty capacitor bank,Capacitor Duty Contactoretc- 3 sets.32Amp. TP MCB \"35ka\" Thermal Magnetic release having O/L & S/C protection with 10 KVAr, 415 V Heavy duty capacitor bank,Capacitor Duty Contactoretc- 3 sets.25Amp. TP MCB \"35ka\" Thermal Magnetic release having O/L & S/C protection with 5 KVAr, 415 V Heavy duty capacitor bank,Capacitor Duty Contactoretc- 2 sets.APFC panel as above |
| 14 | Earthing |
| 15 | Earthing with G.I. earth plate 600 mm X 600 mm X 6 mm thick including accessories, and providing masonry enclosure with cover plate having locking arrangement and watering pipe of 2.7 metre long etc. with charcoal/ coke and salt as require |
| 16 | Earthing with copper earth plate 600 mm X 600 mm X 3 mm thick including accessories, and providing masonry enclosure with cover plate having locking arrangement and watering pipe of 2.7 metre long etc. with charcoal/ coke and salt as required. |
| 17 | Supplying and laying 25 mm X 5 mm copper strip at 0.50 metre below ground as strip earth electrode, including connection/ terminating with nut, bolt, spring, washer etc. as required. (Jointing shall be done by overlapping and with 2 sets of brass nut bolt & spring washer spaced at 50mm) |
| 18 | Providing and fixing 25 mm X 5 mm copper strip on surface or in recess for connections etc. as required |
| 19 | Providing and fixing 25 mm X 5 mm copper strip in 40 mm dia G.I. pipe from earth electrode including connection with brass nut, bolt, spring, washer excavation and re-filling etc. as required. |
| 20 | Supplying and laying 25 mm X 5 mm G.I strip at 0.50 metre below ground as strip earth electrode, including connection/ terminating with G.I. nut, bolt, spring, washer etc. as required. (Jointing shall be done by overlapping and with 2 sets of G.I. nut bolt & spring washer spaced at 50mm) |
| 21 | Providing and fixing 25 mm X 5 mm G.I. strip in 40 mm dia G.I. pipe from earth electrode including connection with G.I. nut, bolt, spring, washer excavation and re-filling etc. as required |
| 22 | Providing and fixing 25 mm X 5 mm G.I. strip on surface or in recess for connections etc. as required. |
