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| 1 | Supplying, installation, testing and commissioning of 30 KVA / 24 KW at 0.8 power factor, 415V, 50 Hz, silent DG set confirm to ISO 8528 specification and should meet CPCB norms complete as detailed below:- |
| 2 | Diesel Engine: Eco Friendly 30 KVA |
| 3 | Cummins make DXP series engine model X3.6TAA-G2, 3 cylinders, inline, 4 stroke cycle, staionary type water cooled, natural aspirated, developing 38.5 BHP at 1500 RPM under NTP conditions of BS:5514: 1982. The engine shall be provided with electrical starting arrangement & shall give the electrical output of 30 KVA / 24 KW at 0.8 power factor, 415 volts at the alternator terminal. |
| 4 | Alternator:- |
| 5 | Stamford make single bearing alternator suitable for continuous operation generating 30 KVA at 1500 RPM 415 volts 0.8 power factor suitable for 50 Hz, 3 phase system. The alternator shall be in Sp-DP enclosure, self excited, self regulated and foot mounted with ball end / or roller bearings on end shields. The alternator confirms to IS:4722/BS:2613 & will be suitable for operation in tropical condition. |
| 6 | AMF Panel |
| 7 | Standard / customized, louvered, steel contruction, control panel, dust & vermin proof comprising of MCB / MCCB CTs for metering, voltmeter, ammeter, frequency meter, indications, fuses etc. including internal wiring. |
| 8 | Essential accessories |
| 9 | Fuel Tank : Fuel tank of 14 SWG MS sheet of adequate capacity suitable for 8 hours of operation capacity 55 Litres. |
| 10 | Base frame: Skid mounting type base frame fabricated from suitable MS channel suitable machined to ensure perfect alignment of the engine & alternator with rigid construction & necessary reinforcement to ensure minimum vibration. |
| 11 | Batteries:- For electrical control circuit 1 No. 12 volts, 120 AH each (dry and uncharged prestolite make batteries for electrical starting of DG set. |
| 12 | AVM Pads:- Suitable number of AVM pads shall be supplied with silent DG sets. |
| 13 | SOUND ATTENUATED SYSTEM:- |
| 14 | The sound attenuated DG sets are designed and engineered by the CAD / CAM experts confirming to internation standards and mandatory noise level norms achieving noise level of 75 db (A) at adistance of 1 meters in open environment. |
| 15 | The system is made of High class sheet metal fabricated panels of 16G thickness having modular construction with multi fold sheet channel & ISMC section for ease of assembly and dismantling and high quality Fireproof Acoustic material i.e. Rock Wool. (75-100 mm thick having 48-96 kg/m3 density.) |
| 16 | An additional axial flow fan may also be provided to achieve optimal output and acoustic hood with noise splitters if required to block and reduce the sound leakage. Residential silencer is provided for maximum noise reduction and specially designed vibration isolators are used to restrict the transfer of vibration from the DG set to the body panels & its surroungings. |
| 17 | Complete job of supplying, installation, testing and commissioning of 30 KVA / 24 KW DG set including, price of DG set, price of AMF panel, installation chargers cable connection etc. the same shall be erected in the 1:2:4 cement concrete platform of suitable dimensions 15 cm high from ground level and 45cm thick complete in all respects. |
| 18 | Providing and laying of one No. aluminium conductor, PVC insulated and PVCsheathed, armoured/XLPE power cable, working voltage 1100 volts grade direct in ground; to be laid 1 meter below the ground level including excavation sand cushioning, protective covering and refilling the trench etc. of the required size:- |
| 19 | Armoured cable 35 sq. mm (3.5 core) |
| 20 | Earthing with copperearth plate 600 mmx600 mmx 3 mm thick, including accessories and providing masonry enclosure with cover plate having locking arrangement and watering pipe etc. ( but without charcoal or coke and salt ) complete as required. |
| 21 | Extra for using salt and charcoal for G.I. or copper plate earth electrode complete as required. |
| 22 | Providing and fixing 25mm x 3mm copper strip on surface or in recess for earth connections etc. as required. |
| 23 | Providing and fixing following rating, four pole, 415 volts,On-Load change over switch unit,AC 23 A duty, in sheet steel enclosure, with side handle operation, including drilling holes on the board, making connections, etc. as required. |
| 24 | 63 Amps. |
| 25 | Supplying and fixing sheet metal bus-bar chamber suitable for 63 Amp. 415 volts capacitywith 4 No. copper strip bus-bars each of length 450mm & cross-sectional area (16mmx3.17mm), enclosure made from 1.6 mm thick M.S. sheet having overall dimensions (530mmx350mmx150mm) nominal with all accessories including connections, earthing the body etc. as required:- |
