Tender For Provn Of Electrical Infrastructure At Mcc At Af Stn Basant Nagar; 1 SCHEDULE `A PART - I (Building / Structure Works) is not prepriced by MES and prepriced rates indicates0.00 under column 5 signifies this fact only. 2 M&L for construction of sub station building with duty room and toilet complete all as specified and shown on drawings. 3 NOTE: Schedule ‘A’ Part IIto IV under Ser No 2.01 to 2.03 are Prepriced by MES. 4 Lump sum price worked out by the Contractor for “ SITE CLEARANCE, EXCAVATION AND EARTH WORK” as listed in Schedule ‘A’Part-II 5 Lump sum price worked out by the Contractor for “INTERNAL ELECTRIC SUPPLY as listed in Schedule ‘A’Part-III 6 Lump sum price worked out by the Contractor for “INTERNAL WATER SUPPLY ” as listed in Schedule ‘A’Part-IV 7 Lump sum price worked out by the Contractor for “EXTERNAL ELECTRIC SUPPLY as listed in Schedule ‘A’Part-V 8 Lump sum price worked out by the Contractor for “LIGHTENING PROTECTION ” as listed in Schedule ‘A’Part-VI 9 SCHEDULE `A PART - VII MISC ITEMS (B/R & E/M)is not prepriced by MES and prepriced rates indicated as 0.00 under column 5 signifies this fact only. 10 M&L for sand cushoning with a layer of sand 80mm thick before laying of cable and 150mm thick after laying of cable C and punned down 100mm to trenches complete all as specified and directed by Engineer-in-Charge 11 Supply, installation, testing and commissioning of 11KV Extensible Indoor duty (IP 55 enclosure) SF6 gas insulated 5 way motor operated Ring Main Unit comprising of two numbers 630 Amps Vacuum Circuit Breaker as incomer and two numbers 630 Amps Vacuum Circuit Breaker as outgoing and 1 no as Bus-Coupler, cable termination from the front, breaking capacity 21KA/3sec (Internal Arc Classification AFLR 21kA-1sec with Bottom Exhaust both for tank and cable box as per IEC 62271-200), enclosed in robotically welded stainless steel tank having IP67 Degree of Protection, leak rate of SF6 gas less than 0.1% and tested as per IEC 60056/60694/60298. Protection CTs shall be ring core type, complete all as specified and directed. The outer enclosure shall have IP 55 protection, it should be Top Opening Canopy type, Indoor RMU placed inside Outdoor Enclosure should not be acceptable. PT mounted below CB is not acceptable. Make of RMU: SIEMENS (8DJH-ST)/ SCHNEIDER (FBX) / ABB (SafePlus-XT). 12 (A) NOTE:- Other details:- System Particulars:(i) Nominal System Voltage: 11kV.(ii) Voltage variation on supply side: (+) or (-) 10%(iii) Corresponding Highest System Voltage: 12kV.(iv) Frequency: 50 Hz with(+) or (-) 3% tolerance(v) Transient condition: -20 % or + 10% combined variation of Voltage and frequency. (vi) Number of Phase: 3 Phases.(vii) Neutral earthing: Solidly earthed.(viii) Fault level (minimum) kA /Sec : 25/1).(ix) Lightning Impulse Withstand Voltage (kVp): 75(x) One minute dry/wet power frequency withstand voltage primary (kV rms): 28KV(xi) Rated Dynamic Withstand Current for 1 second duration (kAp): 52.5KA 13 (B) Applicable Standards for this RMU scope of work(i) The design, manufacture and performance of the Ring Main Units shall comply with all currently applicable statutes, regulations, and safety codes. Nothing in this specification shall be construed to relieve the bidder off his responsibilities.(ii) Unless otherwise specified, the Ring Main Units shall conform to the latest applicable, IEC 62271-100, IEC 62271- 200.(iii) The protection relay shall be for 3 O/C + 1E/F (IDMT Type) Self powered numerical protection relay with low and high set of over current and earth fault, MODBUS communication along with RS 485 Port.PT Panel - Each PT Panel should consist of 1 Set of PT 11 KV/v3 / 110 V/v3 and Auxiliary PT 11 KV/230 V forcharging Battery and Battery bank of suitable AH to be considered. Each Panel should have FRTU, MFM and HMI for protection and monitoring(v) The SF6 gas filled 11 kV, 630 Amps, outdoor, SCADA compatible Motorized Ring Main Unit with Vacuum and Circuit Breaker to be supplied against this specification shall be suitable for satisfactory continuous operation under the following tropical conditions, design ambient temperature (Degree C) 40 as per IEC. 14 (C) The unit shall include the following with all necessary standard fitting as required at site:(i) Digital multimeter, Cl-1.0 complete set(ii) All cable termination should have wireless thermal sensors.(iii) Auxiliary relay for OTI, WTI, Bucholz for outgoing transformer complete site requirement- 2 Nos.(iv) Vacuum Circuit Breaker 12kV 630Amps 25kA-1sec and fault making type Earthing Switch with micro-processor based self-powered 30/C + 1E/F relay fitted with fixed type voltage indicator device as per IEC 61958. Protection CTs suitable ratio 2.5VA burden (CT ratio shall be confirmed at the time of drawing approval).-1No. 15 Supply, Installation, testing and Commissioning of Level III 1600KVA, 11/0.433KV, 3 Phase, 50. HZ, step down outdoor type copper wound transformer, first filling of IS: 335 marked filtered and dehydrated transformer oil other std fittings & accessories, oil natural air natural (ONAN), complete with 17 tap positions on load tap chnager (OLTC) (Tapping range +5% to -15% in steps of 1.25% each) with remote tap Cubical changer (RTCC) panel & automatic voltage regulator (AVR) with vector group Dyn-11. Max losses at 75 ° Temp rise at 50% of load shall not exceeds 3753 watts and at 100% load shall not exceed 10821watts. The max temperature rise should not increase 40°C in oil (measured by thermometer) and 45°C in HV/LV windings (measured by resistance method) after continuous full load run on an ambient temperature of 40°C. The transformer shall be IS-1180 (Part-1 2014) and ammended upto date including initial filling of transformer oil confirming to IS- 335 and shall comprise of following : (a) Three nos porcelain bushing suitable for 11 KV on HV side complete with HT cable box(b) Four nos porcelain bushing on LV side complete with LT cable box. (c) Buchholz Realy having contacts for alarm and trip.(d)OTI and WTI having contacts for alarm and trip.(e) Marshalling Box. 16 Supply, install, testing and commissioning of control panel (automatic/ servo voltage controlled) 1500KVA, Three Phase, 50 Hz, suitable for indoor installation for Automatic Controlling / Regulating of both unbalanced / balanced supply and unbalanced / balance load Voltage and provide output voltage of 415 ± 1% on input variation ranging from 360 - 480V Comprising Auto Transformer, Buck & Boost Transformer(Copper Wound with New Filtered & Dehydrated Transformer Oil as per New ISI-Marked -IS:335 and amendment upto date), Servo Motor, Auto Controlled Solid State Control Circuit suitable for supply from D.G. sets also) andother fittings & Accessories as under :-Voltmeter 0-300V to read input/output voltage per phase, mains/low/high indicators, manual increase/decrease push switch, auto/manual mode control switch and output adjustment 17 Supply, Installation, testing and Commissioning of 1600KVA, 415/415V/(fixed ratio), 3 Phase, 50 HZ, isolation transformer indoor type oil immersed copper wound oil immeresed transformer, oil natural air natural (ONAN) complete with first filling of IS: 335 marked filtered and dehydrated transformer oil electrostatic shield between primary 415V in delta connected and secondary 415V in star connected complete with other standard fittings/accessories, with vector group Dyn-11. The transformer shall be IS 1180 (Part-1 2014) and ammended upto dateincluding initial filling of transformer oil confirming to IS- 335 and shall comprise of the following: (a) Cable box on primary side and and secondary side.(b) Buchholz relay having contacts for alarm and trip.(c) OTI and WTI having contacts for alarm and trip.(d) Marshalling Box. 18 M&L for boring of holes under road/pavement/hard standing by trenchless technology.using ultra sound technique and necessary machine including material and labour for HDPE pipe of 160 mm dia suitable for 04 Kg/cm2 working pressure. Wall thickness of pipe not less than 6.5 mm. for 1.1KV Cable.Note:- (i) Depth of Trench Less shall not less than 0.45 mtr from ground level unless other wise specifed due to site equirement and contractor has to maintain the depth of trenchless up to 1 mts from ground level if required as per siteconditions and rates quoted shall be demeed to be included to maintain the Trench less depths as directed during execution to avoid damages to the existing services (ii) The cost quoted is deemed to be inculded for repairs/ rectification for damages done to the existing elecrtical Communication and water supply system / Sewage System during execution of work. 19 Design, fabrication, assembly, wiring and supply, installation, testing and commissioning of front operated cubicle type compartmentalised, rear access free standing, dust and vermin proof (IP 42 ingress protection) APFC panel indoor type suitable for use at 415 volts, 3 phase 4 wire 50 Hertz system suitable for fault level of required value symmetrical at 415 volts, fabricated from 2 mm thick CRCA MS sheets with hinged, gasketted (metal based neoprene) and lockable doors having structural reinforcement with suitable angle/channel/T/flat sections including 3 mm thick gland plates on top and bottom and including lifting hooks and including GI earth strip of required size with 2 nos earthing terminals and including powder coated paint finish of approved shade over metal surface cleaned and treated with seven tank process completewith interconnections etc as per specifications, as required and as below:- APFC panel with MD-XL Capacitor and MCCB and MCCB as incomer 300 KVAR with 6 step(1x100+3x50 + 2x25). Panel shall have provision for entry of cables from the top or bottom for each connection as required All live accessible parts shall be shrouded and all equipment shall be finger touch proof. The Busbars insulation shall be with heat shrinkable sleeves. SMC/DMC shrouds and busbar supports shall be used, Padlocking facility shall be provided on all outgoing feeder doors and switch handles shall be lockable in OFF position. 20 Design, fabrication, assembly, wiring and supply, installation, testing and commissioning of front operated cubicle type compartmentalised, rear access free standing, dust and vermin proof (IP 42 ingress protection) APFC panel indoor type suitable for use at 415 volts, 3 phase 4 wire 50 Hertz system suitable for fault level of required value symmetrical at 415 volts, fabricated from 2 mm thick CRCA MS sheets with hinged, gasketted (metal based neoprene) and lockable doors having structural reinforcement with suitable angle/channel/T/flat sections including 3 mm thick gland plates on top and bottom and including lifting hooks and including GI earth strip of required size with 2 nos earthing terminals and including powder coated paint finish of approved shade over metal surface cleaned and treated with seven tank process complete with interconnections etc as per specifications, as required and as below.APFC panel with MD-XL Capacitor and MCCB and MCCB as incomer 450 KVAR with 8 step (2x100+4x50+2x25 ). Panel shall have provision for entry of cables from the top or bottom for each connection as required. All live accessible parts shall be shrouded and all equipment shall be finger touch proof. The Busbars insulation shall be with heat shrinkable sleeves. SMC/DMC shrouds and busbar supports shall be used. Padlocking facility shall be provided on all outgoing feeder doors and switch handles shall be lockable in OFF position 21 Design, fabrication, assembly, wiring and supply, installation, testing and commissioning of front operated cubicle type compartmentalised, rear access free standing, dust and vermin proof (IP 42 ingress protection) main panel indoor type suitable for use at 415 volts, 3 phase 4 wire 50 Hertz system suitable for fault level of required value symmetrical at 415 volts, fabricated from 2 mm thick CRCA MS sheets with hinged, gasketted (metal based neoprene) and lockable doors having structural reinforcement with suitable angle/channel/T/flat sections including 3 mm thick gland plates on top and bottom and including lifting hooks and including GI earth strip of required size with 2 nos earthing terminals and including powder coated paint finish of approved shade over metal surface cleaned and treated with seven tank process complete with interconnections etc as per specifications, as required and as below. 22 Panel shall have provision for entry of cables from the top or bottom for each connection as required 23 All live accessible parts shall be shrouded and all equipment shall be finger touch proof. The Busbars insulation shall be with heat shrinkable sleeves. SMC/DMC shrouds and busbar supports shall be used. Padlocking facility shall be provided on all outgoing feeder doors and switch handles shall be lockable in OFF position 24 Suitable arrangement shall be made for termination of multiple incoming cables 25 All kA values indicated shall be Ics breaking capacity. 26 INCOMER 27 2 Nos 2000 amps 50 kA Four pole electrically operated (motorised) fully draw out type air circuit breaker with built in micro processor based release unit for protection and metering each with the following: 28 Cast resin current transformers of 2000:5 ratio with 15 VA Burden & Class 1.0 for Ammeter with Ammeter selector Switch and for Capacitors- 4 Nos 29 Cast resin current transformers of 2000:5 ratio with 15 VA Burden & Class 5 P10 for protection relays - 03 Nos 30 Cast resin current transformers of 2000:5 ratio with 15 VA Burden & Class PS for REF relay - 03 Nos 31 Red/Green ON/OFF indicating lamps - 01 set 32 Three phase (red, yellow, blue) indicating lamps - 01 set 33 Amber healthy trip indicating lamps 34 Active load balancing feature 35 Energy Analyzer 1.0 accuracy to measure voltage, current, power factor, frequency, kW/kVA, kWh, kVArh, kVAh. Real time date with communication module - 01 No 36 110V, DC shunt trip coil 37 110V, DC Motor wound spring closing mechanism 38 110V, DC closing coil 39 Master trip relay (86)- 01 No 40 Phase reversal relay - 01 No 41 Single phase relay - 01 No 42 Voltage monitor relay with phase sequence 43 Surge Protector suitable for 415 volt 44 BUSBAR 45 Electrolytic high conductivity Aluminium three phase and neutral busbars rated at 3000A having a maximum current density of 1.00 A per sq mm suitable to with stand symmetrical fault level of 50kA at 415 V. The neutral busbar is to be 50% of phases 46 BUS COUPLER 47 2000 amps Four pole electrically operated (motorised) fully draw out type air circuit breaker with the following accessories :- 48 Red/Green ON/OFF indicating lamps - 01 set 49 110V, DC shunt trip coil 50 110V, DC Motor wound spring closing mechanism 51 110V, DC closing coil 52 INTERLOCKING 53 Two incomers & One Bus Couplers shall be interlocked electrically & mechanically so that only two out of three shall be switched on at a time. 54 OUTGOING 55 2 Nos 800 amps 50 kA Four pole electrically operated (motorised) fully draw out type air circuit breaker with built in micro processor based release unit for protection and metering each with the following:- 56 Cast resin current transformers of 1600:5 ratio with 15 VA Burden & Class 1.0 for Ammeter with Ammeter selector Switch and for Capacitors - 4 nos. 57 Cast resin current transformers of 1600:5 ratio with 15 VA Burden & Class 5 P10 for protection relays - 3 nos. 58 Red/Green ON/OFF indicating lamps - 2 set 59 Three phase (red, yellow, blue) indicating lamps - 2 set 60 Amber healthy trip indicating lamps 61 110V, DC shunt trip coil 62 110V, DC Motor wound spring closing mechanism 63 110V, DC closing coil 64 Master trip relay (86) - 1 no 65 Terminals suitable for XLPE cable 66 1 Nos 630 amps 50 kA Four pole electrically operated (motorised) fully draw out type air circuit breaker also include Blank space for addon MCCB/ACB with built in micro processor based release unit for protection and metering each with the following:- 67 Cast resin current transformers of 630:5 ratio with 15 VA Burden & Class 1.0 for Ammeter with Ammeter selector Switch and for Capacitors - 2 nos. 68 Cast resin current transformers of 630:5 ratio with 15 VA Burden & Class 5 P10 for protection relays - 3 nos. 69 Red/Green ON/OFF indicating lamps - 1 set 70 Three phase (red, yellow, blue) indicating lamps - 1 set 71 Amber healthy trip indicating lamps 72 110V, DC shunt trip coil 73 110V, DC Motor wound spring closing mechanism 74 110V, DC closing coil 75 Master trip relay (86) - 1 no 76 Terminals suitable for XLPE Al cables 77 Supplying, installing by suspension on ceiling, testing and commissioning of following capacity Sandwich Type Rising Mains for use on 3 phase 4 wire with 50% Aluminum Integral Earthing which shall be part of enclosure. 415 volts, 50Hz A.C. supply with metal clad enclosure having IP-54 rating after fixing the tap off boxes and and all accessories, made of 1.6mm thick steel sheet/ Aluminum duly powder coated in convenient sections complete with 4 Nos aluminum bus bars with Silver Plated Copper contacts at jointing. The temperature rise at any point of the busbar trunking enclosure shall not exceed 55 degree centigrade rise above ambient temperature when operation at rated current as per IEC 61439. The 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. The bustrunking housing shall pass at least 500 hours salt spray test to ensure the anti-corrosion ability. All the rating must have Type test certificate as per Relevant lEC- 61439 Part 6, Partial Reports are not acceptable. 2500A, 50kA SC for 1 sec and IP65 with Canopy for Outdoor application. 78 M&L for Design, development, supply commissioning and testing EHCC certified ground tubular effective chemical earthing system (CPRI tested for 15 KA current capacity for LT line) highly anticorrosive long life electrode with and including adequate protective coating to withstand severe weather conditions in the earth pit of the standard size comprising of 40mm x 3m Long Copper rod as primary conductor and hollow copper tube of 80mm x 3m long as secondary conductor to install with suitable connecting terminal confirming of IS 3043: 1987 specification, highly conductive packing material to be filled in earth pits for providing uniform, low resistivity anticorrosive, hygroscopic medium around the earth system for improving the efficiency of current dissipation with crystalline conductive mixture (CCM) 20 Kg per bag (3 bag per kit) minimum or sufficient quanitities required as per site complete including RCC earthing pit cover, material and labour complete all as spceified and directed by Engineer-in-Charge. Note :- Excavation / drilling hole in hard soil/rock is included in the rate quoted. 79 DG SET 80 Design, fabrication, assembly, wiring and supply, installation, testing and commissioning of front operated cubicle type compartmentalised, rear access free standing, dust and and vermin proof (IP 55 ingress protection) main LT Cum AMF Panel suitable for use at 415 volts, 3 phase 4 wire 50 Hertz system suitable for fault level of required value symmetrical at 415 volts, fabricated from 2 mm thick CRCA MS sheets with hinged, gasketted (metal based neoprene) and lockable doors having structural reinforcement with suitable angle/channel//flat sections including 3 mm thick gland plates on top and bottom and including lifting hooks and including GI earth strip of reguired size with 2 nos earthing terminals and including powder coated paint finish of approved shade over metal surface cleaned and treated with seven tank process complete with interconnections etc as per specifications, as required and as below :- 81 Main LT Cum AMF Panel (415V, AC,3 Phase, 4 Wire,50 Hz}Each incomer shall have 1 no. 0-500V 96 sqmm digital voltmeter with separate selector switch, 3 Nos. phase indicating lamps to show the incoming power with control MCB. Each ACB in incoming and outgoing shall have ON/OFF/TRIP indications. Packing should be in a robust way so that no damage occurs in the transport.ACB shall have Icu = Ics = Icw for 1 sec . MCCB shall have Ics = Icu = 100%. Internal wiring of panels shall be done by FRLS wire only. All C.T. in incoming & outgoing feeders will have accuracy class 0.5 for Main LT Panel. The termination hardware shall be high tensile min 8.8 grade. Input and Output links for SPD should be within 200mm. This is manadatory. 82 Main LT Cum AMF Panel(Expandable Type){Ics =50KA) 83 Incomers:- Four numbers (2Nos.x 2000A 4P EDO ACB for Transformer +2Nos.x 1600A 3P EDO ACB alongwith 300A TP Contactor for 750 KVA DG Set I & II} 84 Incomer:-1 & 3 From 1x 1600KVA Transformer(On Busbar:-I & II}Two Nos. incomer of {2 x 2000A 4P EDO ACB) with microprocessor based over current, short circuit & earth fault release. ACB releases shall have over current different time settings, short ckt. release with variable setting, short time delay, instantaneous current setting, earth fault release, earth fault time delay.2Nos. digital multifunction meter with maximum demand controller with minium 4 set points to trip non - critical load showing harmonics alongwith all other electrical parameters such as voltage current, KW, KWHr. PF.) with RS 485 port with matching CTs. The MFM shall reflect minimum & maximum loads of the day, while selecting model no this should be mentioned.6nos. indicating lights for ACB on/ off/ trip position, Indication light for spring charge.2Nos. 3 phase voltage monitoring relay cum phase sequence meter.2Nos. Revesre Power Relay with matching cast resin CTs of class:-5P106Nos. 2500/1250/1A Cast resin CT of class 0.5 suitable for APFCR.2Nos. Separate Micro-processor based REF relay with 5Nos. 2000/1A, PS Class CTs with Vk>=250V, Rct ≤ 6 ohms. Imag 30mA@Vk/2. REF relay shall be suitable for 4 inputs from these PS class CTs and one neutral CT input from Transformer.2Nos. type I+II SPD 4 Mode for lightning impluse current 25kA per pole (10/350 micro second), as per specification to meet 440 TOV withstand for 2 hrs. Voltage protection (VP) level will be less than 1.5kV. This SPD will be connected in incomer. 85 Incomer:-2 and 4 From 750Kva DG Sets.(On Busbar:-I &ll) 86 Each incomer with 2x1600A 3P EDO ACB with microprocessor based over current, short circuit & earth fault release ACB releases shall have over current different time settings, short ckt. release with variable setting, short time delay, instantaneous current setting, earth fault release, earth fault time delay alongwith 300A TP Contactor.Each DG incomer shall have following common items and items described below are typical for one DG.2Nos. microprocessor based releases in breaker for over current, short circuit, instantenous fault, earth fault and separate indication for over current, short ckt & earth fault. This shall have one no. micro processor based standby earth fault relay in the neutral circuit with suitable CT, 1 no. micro processor based REF relay with 5 nos CTs (4 nos. in panel and 1 no in neutral to earth output), 1 no reverse power relay, combined under voltage and over voltage with under and over frequency relay, 1 no. field failure relay & 1 no. Engine Cranking relay. These relays shall be common in manual as well as auto operation. Please note that relays having features covered in controller shall not be repeated.Start, stop & automatic AMF circuit shall be installed,2Nos. digital multifunction meter with harmonics communicating on modbus and RS 485 port with matching cast resin CTs of class 0.5. 87 2Nos. 0-500V 96 sqmm digital voltmeter with separate selector switch, ammeter, ammeter selector switch with matching cast resin CTs, 3 Nos. phase indicating lamps to show the incoming power with control MCB.Annunciation for LLOP, HWT, over speed & oil temp (annunciator shall reset itself) U/V, O/V, U/F, O/F, O/C, E/F, field failure relay, RPR, DG on mains and DG fails to start, stand by earth fault and REF relay indication through hardware. All engine annunciation will come from DG controller located near engine, these can be displayed on HMI. 2 Nos Controller Woodward Easygen Make(2500)Relay.For DG Synchronising load separately & load management. All necessary hardware like PLC, power supply UPS shall be provided.2Nos.3 phase voltage monitoring relay cum phase sequence meter.Generator start / stop facility through push button from panel. A/M selector switch. Engine should trip on LLOP, HWT, oil temp, O/V, O/F and breaker should trip on other faults. 88 Whenever DG stop through PB, load shall be disconnected first.Complete AMF logic to start the DG incase of power failure and DG stoping incase of power restoration and AMF shall be microprocessor based with indication for DG ON/OFF and load ON.Autochange over Logic and AMF to be incorporated in the Panel with PLCWhen EB power Supply is healthy, the DGs should be cut off. Failure of EB supply will enable DG to start automatically after a pause of 10 second (adjustable from 10 sec to 5 minutes). When EB power restores, the running DG shall stop after a pause of 30 second (adjustable from 10 sec to 5 minutes) and the EB feeder will switch ON.Manual operation bypassing the Auto changeover should also be available.All control cable for DG incomer, Battery and battery charger and all other control cables complete in everyway.PLC is required for interlocking and breaker command as well as feedback to PLC. 89 Bus BarBus Bar-I:A set of TPN Aluminium bus bar rated for 2000A{Net after considering all necessary deratings) 3Phase 4wire, 50Hz. Minimum derating shall be 0.7.Busbar should be of uniform size throughout horizontal run.Bus Bar-II:A set of TPN Aluminium bus bar rated for 2000A(Net after considering all necessary deratings) 3Phase 4wire, 50Hz. Minimum derating shall be 0.7. Busbar Should be of uniform size throughout horizontal runBus Coupler:1No Bus coupler of 2000 Amps 4 Pole EDO ACB with microprocessor based over current, short circuit & earth fault release alongwith 3 nos. indicating lights for ACB on/ off/ trip position, Indication light for spring charge.Flectrical & Mechanical interlocked With 3 nos. incomers alongwith bus coupler. 90 Outgoings:All Outgoing ACB shall have Ics= 50KA. All ACBs shall have microprocessor based over current, short circuit and earth fault current.All C.T. in outgoing feeders will have accuracy class 0.5.Each outgoing feeders shall have one no. digital multifunction meter (with 0.5 class) with RS 485 communication port with harmonics and matching cast resin CTs.Top / Bottom cable entry/exit as per site condition.Each ACB in incoming & outgoing shall have ON/OFF/TRIP indications. 91 Outgoing feeders on Busbar -I1 No. 2000A feeder having 1 no.2000A FP EDO ACB with microprocessor based release, protections for over current, short circuit and earth fault. 92 Outgoing feeders on Busbar -Il1 No. 2000A feeder having 1 no.2000A FP EDO ACB with microprocessor based release, protections for over current, short circuit and earth fault. 93 Other items such asInterlocking logic electrical & mechanical between 4 nos incomer alogwith bus coupler through PLC complete in everyway in all respect. PLC should be for interlocking and for Load management and synchronizing.1 Lot of control wiring1 Set of designation plates 94 FIRE TRACE TUBE FOR MAIN LT PANELSupply, Installation, testing & Commissioning of fire trace tube along with Clean Gas or any green gas in suitable cylinder for flooding in case of fire condition for all LT Panel feeders complete in everyway.Gas shall be clean gas other than FK-5112, (Make: CEASEFIRE/ KANEX/ROTAREX/ SEVO) 95 Supply, installation testing and commissioning of silent Diesel Engine driven generating set 415 volts, 750 KVA at 1500 RPM,0.8 power factor at 415 V suitable for 50 Hz 3 phase 4 wire, & 0.85 Load factor as per CPCB-IV+ norms and emission standards published vide G.S.R 804(E) dt 03 nov 2022 as environment (protection) third amendement rules,2022 and consisting of the followings :- (a) Diesel Engine: Diesel engine 4 stroke water cooled, electric start of suitable BHP at 1500 RPM suitable for above output of alternator at 40 degree C,50%RH & at 1000 meter MSL and conforming to BS 5514,BS 649,IS 10000 capable of taking 10% overloading for one hour after 11 hours of continuous operation at OEM premises and at site. The Engine shall be fitted complete with all the required accesssories. (b) Engone mounted instrument panel fitted with and having digital display for following: 96 (i) Start-stop switch with key (ii) water temperature indication (ii) Lubrication oil pressure and temp indication (iv) battery charging indication (v) RPM indication (vi) Over speed indication (vii) Low Lub. oil trip indication (viii) Engine hours indication (x) Hospital Grade exhaust silenecrs for noise reducation of 35 to 42 dBA (c) Alternator: Synchronous aletranator rated 750 KVA,415 V at 1500 RPM, 3 phase, 50 Hz, AC supply with 0.8 lagging PF at 40 degree C,50% RH and at 1000 meter MSL.the Alternator shall be having SPDP enclosure, brushless, continuous duty, self excited and self-regulated through AVR conforming to IS: 4722/BS 2613 suitable for tropical condition and with H insulation (d) Base Frame & Foundation: both the engine and alternator shall be mounted on suitable base frame made of MS channel which shall be installed on suitable foundation as per manufacturers instructions of capacity upto 750 KVA 97 LIGHTENING PROTECTION 98 S&F Epoxy based insulator of suitable size 40 mm height for fixing GI/ Aluminium earth strip on wall/ ceiling/ Floor/ Poles etc. 99 Note :- The contract sum shall be arrived after deducting the amount of Schedule of credit from total quoted amount of BOQ and accordingly lowest bidder shall be ascertained.
