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| 1 | XLPE INSULATED UN-ARMOURED CABLES (LOOSE): |
| 2 | Supply, laying and erection of aluminium conductor XLPE insulated PVC sheathed Un-armoured and served cable 1100 volts grade as per IS 7098 (Part-1)1988 to be laid loose in the existing trench or pipe as per PWD General Specifications:- |
| 3 | Overall size 35 sq.mm (3½ Core) Un- armoured (Loose) |
| 4 | COPPER EARTHING: |
| 5 | COPPER EARTHING (Upto 14 metre in Length): |
| 6 | Earthing with electrolytic Copper Tape rivetted (with 5Nos. copper rivets)/Steel Nut & bolts (with 4Nos. 32mm long, 8mm thick with washer and double nut) to 30cm x 120cm x 2mm thick copper plate (made cylindrical) burried 10.50 metre (34.44 feet) below ground level in the hole of excavation having bore dia. 125mm and surrounded by salt & charcoal dust mixture (20 kg.) including fixing the Copper Tape recessed in wall and in floor etc., up to 14metre in Length (including bore Length). G.I. pipe 20mm dia. (A-class), 9metre long should be laid in the hole of excavation 1 feet below ground level and having Gl Reducer 50mm x 20mm with PVC Cap (For pouring water) fixed on the top level of the pipe. 300mm x 300mm x 300mm deep haudi of First class bricks finished with 1:4 cement plaster and haudi covered with cast iron lid having size 300mm x 300mm (Heavy) around the hole of excavation:- |
| 7 | Earthing with 20mm×3mm Copper Tape (upto 14Metre in Length). |
| 8 | BONDING TO EARTH WITH COPPER WIRE |
| 9 | Bonding to existing earth with copper wire in heavy gauge (1.6mm thick) welded conduit pipe with bends, junction boxes, steel hooks and MS saddle clamps including painting etc.: |
| 10 | Bonding with copper wire 8S.W.G. (4mm dia) in HGW conduit pipe 20mm dia. (on surface). |
| 11 | DOUBLE WALLED CORRUGATED (DWC) HDPE PIPES: |
| 12 | Supply and erection of Double Walled Corrugated (DWC) HDPE pipe to be laid 1mtr. below ground level including excavation placing the pipe in position and back filling with excavated soil etc. of the required size. |
| 13 | Double Walled Corrugated HDPE Pipe 63/ 51mm (Outer/ Inner dia.) |
| 14 | ON LOAD CHANGEOVER SWITCH: |
| 15 | ON LOAD CHANGEOVER SWITCH (Without Sheet Enclosure): |
| 16 | Supply and erection of On Load Change over Switch with advance neutral UNIT (Panel mounting Cubical type) in the existing Cubical Panel Confirms to IS 13947 (Part-3) complete with G.I. Bolts, Nuts & Connections on both sides of switch with suitable size of thimbles as per PWD General Specifications:- |
| 17 | On Load Change Over Switch Four Pole 100amp., 415volts |
| 18 | Supply, Erection, Testing and Commissioning of Water Cooled Silent DG Set 40KVA/32KW without AMF Panel, Three Phase, 415Volts, 50Hz, 1500 RPM Silent (Sound Proof) Diesel Generator Set. It should be Water cooled naturally aspirated/turbo charged/turbo charged after cool (As per manufacturer standard |
| 19 | ENGINE: The Diesel engine developing suitable BHP for giving a power rating as per ISO 8528-Part-1 (With CPCB-IV Norms upto date amendments) in KVA at the load terminals of alternator at 1500 rpm at actual site conditions. The engine shall confirm to IS 10000/ISO 3046/ BS: 649/ BS 5514 amended up to date have dynamically balanced Fly wheel, air cleaner (dry/ oil bath type) as per manufacturer standard. A mechanical/ electronic governor of TYPE A1 AND A2 to maintain engine speed at all conditions of load, daily fuel service tank of minimum 8 hours running capacity as per manufacturer standard, Dry exhaust manifold with suitable exhaust residential grade silencer to reduce the noise level suitable self-starter for 12 V/ 24 V DC, battery charging alternator unit and voltage regulator, Lubrication oil cooler, Lubrication oil filters with replaceable elements. |
| 20 | ENGINE CONTROL PANEL: Engine control panel fitted and having digital display ie Start/stop key switch/push button, Battery charging indication, Engine Hours indications, Over speed indication, High water temperature indication, Lubricant oil pressure indication,) RPM indication, ALTERNATOR: The alternator should be designed as per (IS4722 and IEC:34) standard. Rated Power Factor: 0.8 (lag), Rated voltage: 230/415 volt, SPDP (Screen Protected Drip Proof), Degree of protection: IP-23, Ventilation: Self ventilated air cooled |
| 21 | Alternator should have 40 degree maximum class H insulation, Automatic voltage regulator unit should be provided as per standard practice of manufacturer. Its voltage dip shall not exceed more than 20% of the rated voltage at any step load or transient load as per ISO 8528 (Part-1). Its efficiency at full load 0.8 power factor, 10% overload one hour in every 12 hrs of continuous use |
| 22 | ACOUSTIC ENCLOSURE: The enclosure shall be fabricated out the CRCA sheet of thickness not less than 1.6 mm on the outside cover with inside cover having not less than 0.6 mm thick perforated powder coated CRCA sheet. It should be IP54 Suitable for outdoor installation exposed to weather conditions, noise level up to 75 dB (A). All sheet metal parts should be processed through 7-tank pre treatment process and batteries accommodated in the battery rack The acoustic lining should be made up of high quality insulation material i.e. Rockwool/glass/mineral wool/PU foam of appropriate thickness & density for sound absorption. The inside of enclosure should be provided. with at least one no. 28 W-T5 fluorescent tube light/ LED 10Watt luminaries controlled by a 5A switch for adequate lighting during servicing etc. |
| 23 | Manual control panel shall be fabricated out of 1.6 mm sheet steel, totally enclosed, dust, damp and vermin proof wall mounted/ free standing floor mounted type with IP-53 degree of protection & front operated, composite meter for digital display. MCCB (Fixed Thermal and Adjustable Thermal protection)/ ACB (Over cuurent/ overload, shorcircuit, instantenous, earth fault protection) should be used. Battery charger complete with voltage regulator, Voltmeter and Ammeter for charging the battery from external mains. This will be in addition to the battery charging alternator or dynamo fitted on the engine All the components in the control panel shall be properly mounted, duly wired and labeled. Suitable terminals are to be provided for panel incoming and outgoing connections. System opeartion facility provided shall afford the following operational requirements. Necessary instruments and accessories such as voltmeter, power factor meter, KW meter, KWH meter, Ammeter, Frequency meter, battery charger complete in all respect as desired by engineer at site. |
| 24 | Making of Cement concrete foundation of size 15' X 8 X 2' high for DG Set The foundation start with Earth work in excavation 16' x 10' in foundations, Cement Concrete 1:5:10 with 40mm gauge stone agreegate mixing by mechanical means using concrete mixer volumetric type of size 15'x10'x0.75 First class burnt brick work laid in cement sand mortar 1:4 in foundation and plinth size 15'x1.125'x 2' Earth filling under floors with surplus ordinary soil or soil containing gravel or kankar upto 40% excavated from outside the building plinth in 15 cm layers including ramming, watering and consolidating lead upto 30 metres sizes 15.75'x5.75'x2', Shuttering for faces of concrete foundations and foundations, Reinforced concrete cement M-20 mechanically batch mixed using batch type concrete mixer as per IS:1791 and vibrated by needle vibrator but excluding steel reinforcement centring and shuttering in foundation and plinth. sizes 15'x8'x0.5', Cold twisted deformed (Ribbed/for Steel Bar) Bar Fe 500 grade as per IS 1786-2008 complete in all respect as per site requirement and as desired by the Engineer in charge. Please Enable Macros to View BoQ information |
