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| 1 | Disconnecting LT connection from existing BER DG Set including all mechanical & electrical connections and depositing the same to MES store yard complete all as specified and directed. |
| 2 | Supply, Installation and testing of water cooled Diesel Engine driven Prime duty Generating Set of net capacity after all derating factors of not less than 250 KVA /200 KW ,50Hz 415 volt 3 phase, 4 wire,0.8 lagg , 1500 RPM under NTP condition of ISO-3046/8528having engine as per IS: 10001/10002 and alternate as per IS: 13364 suitable BHP Required Power for Rated kVA (hp) along with AMF system with Acoustic Enclosure exhaust silencer Residential Grade in line, as per the noise emmission standards (CPCB-IV) laid down by MoEF / CPCB Norms, with following components: |
| 3 | a) Engine comprising of the following:Rugged engine natural liquid cooled with radiator for powered diesel generator set along with these specifications ofAdvanced in-cylinder technology turbo charged class defining technology engine is designed to meet stringent exhaust emission tests as per revised MoEF norms, thus offering environment friendly powe Compact in size with optimum power to weight ratio, 4/6 cylinder, In-line 4 stroke, radiator liquid cooled engine Well designed air handling system with Dry type, heavy duty, replaceable paper element air cleaner Optimised turbocharger for increased altitude capabilities, Best in class fuel economy with Inline fuel pump with A1 class mechanical governing, Spin on fuel filter, Standard integral set-mounted radiator system, designedand tested for 50°C ambient temperature,Full flow spin on lube oil filte,First fill of lube oil and coolant, Electrical starter motor with soft start engagement feature, Battery charging alternator 12 V DC battery/Alternator |
| 4 | b) Alternator comprising of the following:Alternator frames from Technologies Brushless type, Screen protected, Revolving field, Self excited alternator conforming to IS : 15999-2-1 (2011)/IEC 60034, 3 Phase reconnectable winding with 12 terminals brought out for connection Dedicated winding specially designed for 1 phase and 3 phaseoperationBetter motor starting capability Best in class efficiency Compact design with sealed bearings for longer life andlesser maintenance Impregnation on all wound components for better mechanical strengthVoltage regulation (Max.)±1%,IP 23 Class of Insulation H Class,Winding Pitch 2/3, Stator Winding Double layer lap Rotor Dynamically Balanced,Waveform distortion/ Total Harmonic Distortion No load < 1.5 %, Non distorting balanced linear load < 5 %,Maximum Unbalanced Load across phases# less than or equal to 25%, Telephonic Harmonic factor < 2% alternator capacity net output shall not be less than 250 KVA /200 KWe ,50Hz 415 volt 3 phase, 4 wire,0.8 lagg. |
| 5 | c) Control Panelcomprising of the following: AMF / Control panel is manufactured with 16/18 gauge CRCA sheet and is powder coated for weather-proof and long lasting finish.The control panel consists of the following parts of makes as per OEM recomendation: microprocessor based generator set monitoring and control system. AMF Functionality is inbuilt and this control includes an intuitive operator interface that allows for complete generator set control as well as system metering, fault annunciation, configuration, and diagnostics, Copper bus bars with suitable capacity with incoming/outgoing terminals, Indicating lamps for ‘Load ON’ and ‘Set Running’,Instrument fuses / MCBs duly wired and ferruled, Circuit breakers of suitable rating with overload and short circuit protections on load power contactors with copper busbars, cables and protective acessories. |
| 6 | Residential Grade silencerwith Rain Cap suitably optimized to meet stringent noise emission standards laid down by MoEF / CPCBalong with MS supporting structures .along with thermal Insulation on horizontal pipe with Mineral Wool/ Asbestos Rope50mm Thick wire mesh and 26 gauge aluminium cladding (12\") |
| 7 | d) Controller should be compatible to the following specifications:(i) AMF Functionality controllers of Makes from the OEM : Deep Sea/ Cummins/ Wood Ward/ Com Amp/DEIF (ii) Intuitive operator interface which includes LED backlit 128X64 pixel graphic display with tactile feel soft-switches.Indications - Generator set, Utility Status Lamp.(iii) Remote start-stop with Engine Metering: Oil pressure, Engine temperature, Starting battery voltage, Engine running hours(iv) AC Alternator Metering: L-L Voltage and L-N Voltage,Current (phase and total), kVA (phase and total) and Frequency. kwh, Total & per phase (kw & kVA), PF, UtilityVoltage and Freq.(v) Engine Protection: Low lube oil pressure, High/Low coolant temperature, Battery Over/Under/Weak Volts, Fail to Crank/Start, Sensor failure, Cranking lockout, Low fuel level.(vi) AC Alternator Protection: Over/Under Voltage, Over/ Under Frequency, Loss of AC sensing. Overspeed, Over Current.vii)Data Logging: Engine hours, Control hours and upto 5 recent fault codes |
| 8 | (viii) Configurable glow plug control, Cycle Cranking(ix) 24 Volt DC operation,Sleep mode,Modbus interface (RS485 RTU),InPower compatible (PC based service tool),Certifications - meets the requirement of relevant ISO, EN,Mil Std. and CE standards(e) Maintenance due alarm based on Engine run time and due date, exercise or scheduler(f) Remote HMI, Digital electronic governor with temperture compensation and smooth starting, digital AVR for shunt of PMG excitor with torque monitoring(g) All pipe line connections, valves etc.required for the lube oils, fuel and cooling system(h) Battery & Battery charger of rated capacity as per the alternator/Engine compatability(j)Mounting Arrangement shall be of the following:(i) Engine and alternator are mounted on a common MS fabricated base frame with AVM pads.(ii) Base frame with integral fuel tank is provided with drain plug, air vent, inlet and outlet connection, level indicator and provision for cleaning(k) Fuel tank of capacity 8/12 hrs running capacity inside the acoustic |
| 9 | (l) Control / service cables shall be of 4cx 2.5 sqmm, 24 c x 2.5 sqmm, 2 c x 2.5 sqmm, and 8c x 0.75 sqmm shieldedcontrol cables, pvc insulated copper armoured, controll panel for auxilaries with starters for pumps, heaters etc(m) RCC foundation with necessary earth work, PCC 1:4:8 type D-2 (40mm graded stone aggregate) as in foundation, filling and mass concrete / RCC M-30(20 mm graded aggregate) as in foundations, Plinth beam along with necessary form work / TMT bars of 10mm dia and over cut to length bend to shape required including cranking, bending, spirally for hooping for columns, hooking ends and bidning with and including MS wire (annealed) not less than 0.9mm dia securing with clips / 10 mm thick plastering on fair faces of brick work or concrete surface in CM (1:6),even and smooth without using extra cement / Sand filling in layers around the foundation including watering and consolidation as per OEM dimensions |
| 10 | (l) Acoustic Enclosure shall comprise of the following (i) Specially designed to meet stringent MoEF/ CPCB norms of 75 dBA @ 1mtr at 75% load under free field conditions(ii) The Acoustic Enclosure as per CPCB Norms is made of CRCA sheets in Munselgreen shade and a structural/ sheet metal base frame painted in black. or any other standard colour as specified by the OEM(iii) High quality noise absorbant and fire-retardant gradeacoustic insulation material (P.U. Foam) complying to IS-8183 designed to have optimum serviceability(iv) Air inlet louvers specially designed to operate at rated load, Made on special purpose CNC machines for consistency inquality and workmanship(v) 9 tank pretreatment process and UV resistant powdercoating of all parts to withstand extreme environment, Use of special hardware for longer life, Flush styling - no projections, Fluid drains for lube oil and fuel,Fuel filling arrangement inside the enclosure |
| 11 | Note :-(i) Rate quoted shall include the necessary T&P , RCC foundation , structural works required to support the acessoriess of DG set such as AMF panels, controll cables, Radiators / cooling tower, Exhaust mufflers and water circualtion system / cooling System(ii) rate quoted includes the cost of All fuel ( high speed diesel) , lubes and collant required to carry out the no load and full load test of not less than 12 hrs as diercted by the accepting officer(iii) Rate quoted includes the cost of B check for the DG setsuch as replacement of lube oil, oil/ fuel filters /belts, O rings consumeables after the test run of the DG set during the warrenty period frist 250 hrs/ 1 st year which ever is earlier after the date of commissioning. |
| 12 | All as per item No 2 to 2.09 here-in-before but of size 100 KVA/80 KW, 1500 RPM under NTP condition of ISO-3046/8528 suitable BHP Required Power for Rated kVA, turbo charged inter cool,4/6 cylinder,12 V battery (CPCB-IV compliant) complete all as specified and directed. |
| 13 | All as per item No 2 to 2.09 here-in-before but of size 82.5 KVA/66 KW,1500 RPM under NTP condition of ISO-3046/8528 suitable BHP Required Power for Rated kVA,turboc harged and intercooled,3/4 cylinder,12 V battery (CPCB-IV compliant) complete all as specified and directed. |
| 14 | All as per item No 2 to 2.09 here-in-before but of size 50 KVA/40 KW,1500 RPM under NTP condition of ISO-3046/8528 suitable BHP Required Power for Rated kVA,turbo charged and intercooled,3/4 cylinder, 12 V battery (CPCB-IV compliant)complete all as specified and directed. |
| 15 | Excavation in trenches not exc 1.5 Mtr wide and n.exc 1.5 mtr in depth, getting out for electric cable complete in soft/loose soil complete all as specified and directed. |
| 16 | Removing surplus excavated soil to a distance n.exc 50 mtr and depositing where directed at a level n. exc 1.5 mtr above starting point complete all as specified and directed. |
| 17 | Returning, filling in, soil obtained from excavation including spreading, levelling, watering and well ramming in layers n.exc 25cm thick complete all as specified and directed. |
| 18 | Supply and layunreinforced precast concrete cable covers class LV Type -1 with flat size 250 x 150 x 40 mm. compete all as specified and directed. |
| 19 | M & L for sand cushioning for protection of cable with screen wash river sand complete all as specified and directed. |
| 20 | Supply and Laying in replacement of 240 Sqmm 3.5 Core XLPE insulated armoured heavy duty electric cable with aluminium conductor 1100 volts grade ISI marked as per IS 7098-1 laid in trenches, ducts or fixing or passing through GI pipe across the road/path/drains/ along wall/floor/equipment etc complete all as specified and as directed. |
| 21 | All as per item No 11 here-in-before but of size 3.5 Core 120 Sqmm complete all as specified and as directed. |
| 22 | All as per item No 11 here-in-before but of size 3.5 Core 70 Sqmm complete all as specified and as directed. |
| 23 | M&L for renewal earthing complete with copper plate 60cm x 60cm x 3.15mm electrode and 20 x 3mm copper strip as earthing strip buried directly in ground (earth pit not less than 2.10 m below normal ground level) with top edge of earth plate not less than 1.5mbelow normal ground level, connected to 20 x 3mm copper strip by means of bolts, nuts, check nuts and washers of galvanised iron or steel and earth pit as shown in electricalplate No 3 of SSR Part I, connected to earth test point and the equipment on the other nuts and washers of galvanised iron side including testing and commissioning complete all as directed (for BER DG sets -24 Nos and for existing DG sets-18 Nos) |
| 24 | (xi) All existing earthing of the lifts shall be maintained and made fully functional by the contractor to the entire satisfaction of the Engr-in-Charge. |
