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| 1 | SH:- Package Type Sub StationSupplying, installation, testing & commissioning of Outdoor type package substation with facility for internal lighting, earthing, padlocks etc. with Connection between RMU & transformer shall be using 3 nos. 1C X 185 sq.mm. Aluminum unarmoured (UE) XLPE cable and connections from Transformer to LT Panel comprising of 800Amp ACB shall be by Aluminum Busbar with following equipment’s. Package substation will have the following equipment’sA) H.T Switch Gear 11kV, 630Amps 25KA for 1 Sec. SF6 insulated Non-Extinsible Compact switchgear consisting of Three (03) Nos. Motorised Vacuum Circuit Breaker (VCB) along with one no. 11 KV 630A Air Insulated Metring Cubicle having inbuilt load break switch and earth switch within SF6 insulated robotically welded non ferrite non magnetic stainless steel enclosure of thickness 2.5mm having IP 67, with series trip, self powered microprocessor based numerical 3 O/C & 1 E/F relay (IDMTL + Inst.) protection. Interconnection between HT switchgear and transformer shall be using 1Cx3x185 sq.mm Al. unarmorured (UE) XLPE Cable, digital multifunction meter with measuring CT with etc. as reqd.A1) RMU-NON-Extensible (3 Nos. vacuum Circuit Breaker with AL Busbar)-BIL 28/75kV RMU-NON-Extensible. 1. 11kV, 630Amps 25KA for 1 Sec. SF6 insulated Non-Extinsible Compact switchgear consisting of Three (03) Nos. Motorised Vacuum Circuit Breaker (VCB2. Operation of breaker – Motorized 3. Self Powered Electronic numerical protection relay providing over-current & earth fault protection – CSPR relay 4. Tape Wound protection current transformers (Details During Detailed Engineering) 5. Capacitive voltage indication fixed type. 6. ON, OFF, EARTH indication on the front mimic of the panel. 7. Cable box for termination of cable suitable up to 3 Nos. X 1C X 185 Sq. mm 8. Cable cover standard. 9. Emergency trip push button. 10. Shunt trip Coil - 24V DC 11. Minimum 40 no Dead Short Ckt life of VI |
| 2 | RMU accessories:- Operating Handle.Standard Manometer for SF6 gas pressure indicationRight Angled Cable Boots suitable for 1 Run x 3 C x 400 Sq mm Battery 24V DC, 12Ah & Battery Charger - 5AB) TRANSFORMER 500KVA , 11KV/0.433KV DYn11 Cast resin Dry type transformer with off load TAP Links having tapping range of +5% to -5% in steps of 2.5%, Z% : 4% (IST) with NLL at rated voltage &freq : 1.8KW (IST) and LL at 75 Deg. C & at Principal tap : 6.5KW (IST), Class F insulation, temp rise : 90 DegC , 3nos. Surge arrestors 9kV 10kA polymeric / Eq, 1 no. Digital WTI with Alarm & Trip contacts. outdoor type Transformer confirming with IP - 33 or more protection and impedance should be, as per relevant I.S. and maximum allowable losses, as per ECBC compliance with upto date amendments, and confirming to IS 11171:1985 & as per specification attached complete in all respects etc as required at site (The acceptable tolerances in regard to transformer shall be, as per relevant IS Code). B) Transformer Accessories Winding temperatue Indicator ( Local as well as Remote) C) LT Busbar - 1000 AAluminium Busbar (100% for Phase & 50% for Neutrals) Current density 1amp/sqmm, Fabrication using 1.6/2mm CRCA sheet steel complete with internal wiring consisting of following.i) Voltage Rating- 433Vii) Current Rating - 1000A D) LT Switch Geari) ACB 4 Pole, 800 Amps EDO type, Ics=Icu=Icw=50kA, microprocessor release LSIG trip unit with variable current & time delay settings for O/L, S/C, E/F, Fault indication LEDs (for Overload, Short circuit, earth fault), In built Energy metering, Power Factor, Zone selective interlocking, Thermal Memory, with Last 10 trip history with nature of fault date & time, TNC Switch & LR Switch etc. as reqd. |
| 3 | ii) On, OFF, TRIP lampiii) R/Y/B indicating lamps iv) CTs 800/5A, AC. CL. 1, 5 VAv) Digital MFM - EM 6400 NG, AC. CL. 1.0E) ENCLOSURE for PSS The enclosure shall be made of 2.0 mm thickness Galvanized Sheet Steel tropicalised to meet Indian weather conditions including all the partition sheets &doors.The base of the enclosure shall be of 4.0 mm thickness Hot Dip Galvanized Sheet Steel to ensure rigidity for easy transport & installation. Enclosure shall have IP54 degree of protection for HT & LT switchgear compartment & IP34 degree of protection for Transformer Compartment. The Enclosure to be tested for Internal Arc fault test to the tune of atleast 20 KA for 1 second adhering to as per latest IEC 62271- 202.The temperature rise test on enclosure for K10class. The enclosure exterior shall be powder coated with PP based paint. HT & LT compartment will be provided with the door and pad locking arrangement. Transformer Compartment will be provided with Cover.The Compartment illumination lamp with door operated switch shall be provided for.HT and LT compartment. Lifting(Bucket) Arrangement shall be provided with each PSS. For Complete ownership of the solution, All components like ACB, MCCB, Capacitors, RMU & VI, Transformer, Protection relays are of PSS OEM make. Authorised PSS License Partner can assemble the PSS as per guidelines of the OEM.F) EARTHING - Internal earthing connection by using 50 X 6 mm Aluminium Strips G) HV KIT - As per manufacturer's specifications/standardH) COPPER FLEXIBLE- As per manufacturer's specifications/standardI) First aid box as approved by St. john Ambulance Brigade / Indian Red Cross society conforming to IS : 2217 - 1963.J) Shock treatment chart duly mounted on a wooden frame with glass on, as required in 2 languages (Hindi & English). |
| 4 | Sub Head-II :DG SetSupply, installation, Testing & Commissioning of 'Silent Type Diesel Generating set as per CPCB IV + or better norms along with having Prime Power Rating of KVA as below, 415 volts at 1500 RPM, 0.8 lagging power factor at 415 V suitable for 50 Hz, 3 phase system & for 0.85 Load Factor, including testing at factory and site with fuel, load for test and other necessary arrangements Complete as per CPWD specifications, should have QR code which should contain drawing, test report OEM manual, GeoTag of manufacturing location, rating plate as per relevant IS Code etc. and consisting of the followings:(A) Diesel Engine: Turbocharged Diesel engine 4 stroke water cooled, multi cylinder, dynamically balanced fly wheel, electric start of suitable BHP at 1500 RPM suitable for above output of alternator at 40 Degree C, 50% RH & at 1000 Meter MSL, capable of taking 10% over loading for one hour after 12 hours of continuous operation. The engine will be with Electronic governor, Dry type Air filter with service indicator, first filling of engine fuel (after commissioning) lubricating Oil, Coolant and other consumables complete with all the required accessories, the Electronic governor shall be as per ISO 8528.The engine shall comply to the latest CPCB norms (CPCB IV + or better) and Conforming to BS 5514, BS 649, IS 10000, IS 10002, IS 13018 and as per CPWD specifications.(B) Engine mounted Instrument Panel fitted with and having digital display for following:(i) Start-stop switch with key(ii) Water temperature indication(iii) Lubrication oil pressure indication(iv) Lubrication oil temperature indication(v) Battery charging indication and Voltage indication (vi) RPM indication(vii) Over speed indication(viii) Low lubricantion Oil trip indication(ix) Engine Running Hours indication(x) Fuel Level |
| 5 | (C) Alternator: Synchronous alternator rated of appropriate KVA, 415 volts at 1500 RPM, 3 phase 50 Hz, AC supply with 0.8 lagging power factor at 40 Degree C, 50% RH & at 1000 Meter MSL. The alternator shall be having Screen Protected Drip Proof (SPDP) enclosure IP23, brushless, continuous duty, dynamically balanced rotor, capable of taking 10% over loading for one hour after 12 hours of continuous operation, self cooled,self-excited and self-regulated through AVR conforming to IS13364(Part 2)/IS: 4722/BS 2613 suitable for tropical conditions and with class- H insulation.(D) Base Frame & Foundation: Both the engine and alternator shall be mounted on suitable base frame made of MS channel with necessary reinforcement which shall be installed on suitable cement concrete foundation and vibration isolation arrangement as per recommendations of manufacturer(E) FUELTANK: Daily service fuel tank of suitable liters capacity as per CPWD Specifications, fabricated out of 3 mm thick M.S. sheet complete with all standard accessories and fuel piping between fuel tank and diesel engine with MS class 'C' pipes of suitable dia. Complete with valves, level indications & accessories as required as per specifications.(F) Exhaust System: Dry exhaust manifold with hospital type exhaust silencer and catalytic convertor.(G) Starting System: 12V/24V DC starting system comprising of starter motors: voltage regulator and arrangement for initial excitation complete with suitable numbers of batteries (180 AH capacity lead acid SMF type) as required as per specifications. The battery shall be housed inside the acoustic enclosure of DG Set.(H) Acoustic and weather proof enclosure with arrangement for fresh air intake for cooling of the engine & alternator, extraction, discharging hot air in to the atmosphere and the temperature rise inside the enclosure, noise level outside enclosure. The acoustic enclosure should be suitable for cable connection/connection through bus-trunking. Such arrangements on acoustic enclosure should be water proof & dust-proof conforming to IP-65 protection. The enclosure shall be as per CPCB IV + or better norms etc. and as per CPWD specifications. |
| 6 | (I) AMF Panel: Free standing floor mounted IP 42 automatic mains failure control panel including auto by-pass, suitable for KVA as below for silent type DG set complete with relays, timers, set of CTs for metering & protection and energy analyser to indicate currents, phase and line voltages, frequency, power factor, KWH, Kilo Volt Ampere Reative Hour (KVARH), KVA (Phase & Total), KW & provision for overload, short circuit, restricted earth fault, under frequency, power (aluminum) and control (copper ) cabling of suitable size upto 15 meter between AMF panel, LT Panel and DG Set including connection interconnection etc. as required, all complete and inter locking and communication/ Ethernet /RS485/SNMP port open protocol for BMS integration including suitable software, the panel shall be of DG Set OEM make etc. as per approved by Engineering in charge and including the following:1. Suitable numbers and appropriate capacity 4 pole motorised electrically operated draw out with cradle type 3 position ACB/ MCCB with electronic release for O/C & E/F and shunt trip.2. Auto/Manual/Test/Off selector switch3. Protection for under and over voltage phase reversal (2 nos Over voltage relay, 2 Nos. reverse power relay and 2 Nos. under voltage relay).4. 3 Sets of current transformers 15 P10 accuracy for protection and 15 VAclass-I for metering5. Energy analyser unit to indicate current, Voltage( L-N & L-L), kW, kVA (Phase & Total), Frequency, KWH, PF.6. LED Indicating lamps for load on mains and load on set.7. Fuse/ MCB for instruments.8. Battery charger, complete with transformer/ rectifier, D.C. voltmeter and ammeter, selector switch for trickle, off and boost and current adjustment.9. Main supply failure monitor.10. Supply failure timer.11. Restoration timer12. Control unit with three impulse automatic engine start/stop and failure to start lockout.13. Impulse counter with locking and reset facility.14. ON/OFF/Control circuit switch with indicator15. Audio/Video annunciation for |
| 7 | (i) High water temperature(ii) Low lubricating oil pressure(iii) Engine over speed(iv) Engine fails to start(v) Full load/maximum load warning16. Protection for over/under Frequency, Loss of AC sensing, Over Current, Unbalancing load with suitable number of relays and accessories17. Maintenance notification based on Engine Run Hour & due date.18. Load Management through PLC to achieve auto opening and closing of incomer breakers, bus coupler switching of essential panel , interlocking providing signal to AMF Panel for load status and AMF shall give command to DG Set to auto start / auto stop depending upon load status and requirement etc. and necessary hardware and software required to perform the operation shall be provided by the contractor including all control wiring.(A) 500 KVA |
| 8 | Supplying and laying of following size PVC insulated and PVC sheathed/ XLPE aluminum conductor armoured power cable of 1.1 KV grade in ground without protective covering/surface /openduct /pipe etc. complete as required.(a) 3½ x 300 sq mm |
| 9 | Supplying and making end termination with brass compression gland and aluminium lugs for following size of PVC insulated and PVC sheathed / XLPE aluminium conductor cable of 1.1 KV grade as required.(a)3½ X 300 sq. mm (70mm) |
| 10 | Supplying and Laying of one number HT PVC insulated and PVC sheathed / XLPE power cable of 11 KV grade of following size direct in ground including excavation, sand cushioning, protective covering and refilling the trench etc as required. (a) 3C x 185 sq.mm |
| 11 | 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 required. |
| 12 | 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 Meter long etc. with charcoal/ coke and salt as required. |
| 13 | 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. |
| 14 | Providing and fixing 25 mm X 5 mm copper strip on surface or in recess for connections etc. as required. |
| 15 | 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. |
| 16 | Providing and fixing 25 mm X 5 mm G.I. strip on surface or in recess for connections etc. as required Please Enable Macros to View BoQ information |
