CWE KOTA/ALW-19 OF 2020-21 PROVN OF GENERATOR SET WITH CHANGE OVER AND NECESSARY WIRING IN JP LINES AT ITARANA ALWAR

Amount

Supply, installation, commissioning & testing silent type diesel engine driven generating set of capacity 30 KVA at 0.8 PF, 3 Phase 4 wire 50 Hz, 415 Volt, AC water cooled mounted on common base frame complete with anti vibrating pad including foundation, fuel tank and other accessories, complete all as specified and directed as per the following parameters:-

(a) DIESEL DRIVEN ENGINE. Engineer developing required BHP to match with 30 KVA rated alternator at 1500 RPM, including connecting, testing as per BIS-649 under NTP cocnditions with the following accessories. (i) ALTERNATOR. Alternator shall be of capacity 30 KVA net output at work site after commisioning, derating factor as per MSL, high and temperature condition as applicable at power factor 0.80, AC, 3 phase, 4 wire AVR system screen protection, ball/roller bearing with damp proof winding on each pole, factor as per IS-1722, complete all as specified and directed. (ii) DIESEL ENGINE. Diesel engine shall be vertical type of adequate capacity suitable for above alternator after considering all applicable derating factors for site condition as brought out in (a) as per relevant IS code having provision of coupling shaft to drive the above alternator independetly after considering power losses in all the accessories forming part of the set i.e. coupling and type, FIP, water cooled directed injection, cold starting RPM 1500, industrial type with standard accessories, complete in all respect with following provisions:-

(i) Fly wheel with housing with suitable flexible coupling. (ii) Radiator assembly complete with fan, water pump and thermostat. (iii) Dry type Air Cleaner as per latest CPCB norms. (iv) Fuel Injection Pump. (v) Governor Electronic/ Mechanical variable speed as per manufacturer's design. (vi) Flexible coupling with guard, nuts and bolts. (vii) Fuel Filter and Oil Filter with mounting. (viii) Lubrication Oil Pump. (ix) Self Starter. (x) Exhaust silencer residential type with wool/ hexagonal wire netting and aluminium sheet as per latest CPCB norms. (xi) Drip Dry. (xii) Instrument panel complete with starting switch and key lubricating oil pressure guage, water temperature guage and push button, tachometer and hour meter. (xiii) Engine protection unit for low lubrication oil pressure and high coolant temperature. (xiv) Dyanamo/Alternator.

(b) ALTERNATOR. The above engine should be coupled through flexible coupling to an indigenous alternator, mounted on strong steel fabricated common base frame suitable for mounting on a permanent foundation. The alternator will be 3 phase, 50 Hz 1500 RPM self regulating, self exiciting type and will generate 30 KVA at 0.80 PF, 415 Volts, 4 wire AC supply under NTP conditions when running at 1500 RPM. the Alternator would be screen protected and fitted with end shields ball/ roller bearing and generally confirm to BS 2613/IS4772. (c) CONTROL PANEL. Cubical type, floor mounted on suitabe size frame, made out of sheet metal steel of thickness not less than 1.60mm with front hinged cover for easy accessibility complete with necessary control circuit, fuses, bus bar of suitable size. The panel shall have the indicating instruments and switches and provisions and making incoming and outgoing electric connection. The control panel shall have suitable control for all parameters complete all as specified and directed. (d) FUEL TANK. One No of sheet metal steel tank of suitable capacity to hold diesel sufficient for 12 hours running at full load but in no case it shall be less than 100 Ltrs, mounted on angle iron frame including the following:- (i) Fuel level indicator to indicate level of diesel in the tank. (ii) Drain plug with 2 meter pipe of drain oil. (iii) Fuel Strainer. (iv) Hose Pipe for Fuel. (v) Air vent. (vi) Manually operated one No. fuel pump (For filling diesel in fuel tank). (vii) Battery 12 Volts - 01 No of suitable capacity as per manufactures recommendations with copper lead, terminals, fixed on wooden platform/base. (e) One No. base plate shall be MS fabricated and of rigidly welded constructions duly ribbed sutiable for receiving engine, alternator, alongwith flexible coupling. It shall include set of bolts, washers, rubber coupling drip tray and protective screen around coupling.

(f) ACCOUSTIC ENCLOSURE FOR GEN SET. OEM supplied accoustic enclosures sutiable for 30 KVA capacity diesel Generator sets duly fabricated of channel and CRCA sheet 1.60mm thick of required size having doors, sides and top insulation by mineral rock wool confirming to IS-8183 of adequate thickness, accoustic louvers/ oulet, ventilation system etc. complete as per latest CPCB norms with wiring and lighting arrangements. UV resistant powder coating applied all over the body, complete all as required at site and comprising of the following:- (i) BASE. Sutiable size as per provided by the manufacturer/ CPCB norms. (ii) STRUCTURE. Sutiable structure as provided by the OEM. (iii) DOORS. Suitable doors as provided by the OEM. (iv) OUTSIDE COVER. Sutiable outside cover as provided by the OEM. (v) ACCOUSTIC INSULATION. As per latest CPCB norms. (vi) INSIDE COVER. Sutiable inside cover as provided by the OEM. (vii) INSPECTION PORT. Acrylic sheet of suitable thickness with rubber gasket. (viii) ACCOUSTIC LOUVER/ATTENUATORS AT AIR INLET/OUTLET. This should provide excellent sound attenuation and good weather protection. Single blade and chevron blade louvers manufactured from 16 SWG CRCA sheet top section with and including fire proof accoustic infill as per latest CPCB norms. The under section is formed from 18 SWG CRCA performed sheet after covering with fire resistant tissues to prevent fire migration or by means of accoustic lines ducts. (ix) CONSTRUCTIONS. Welded or bolted. (x) VENTILATION. As per latest CPCB norms. (xi) WIRING & LIGHTING. PVC copper wire concealed in flexible conduit provided with flourescent tube light and MCB including the following:- (aa) Earthing panel (Neutral body) with GI strip (4 each). (ab) Control Panel. (ac) Cables leads for batteries. (ad) Power cable to equipment.

(xii) PAINTING. UV resistant powder coating as per manufacturer's specifications. (xiii) ACCOUSTIC LINES DUCT FOR VENTILATION. Accoustic line duct for ventilation to be provided made out of GI sheet. (xiv) SAFETY FEATURES:- (aa) Lockable doors with angle key. (ab) Handles with in built locks. (ac) Emergency stop push button. (ad) Thermostat provided to cut off engine incase of high temp with in enclosures. NOTES:- (a) The complete generating set including engine/ alternater shall be factory assembled by manufacture or other authorised dealer as approved for assembling the DG set. (b) Generating set will be placed on suitable foundation as recommended by manufactured and cost there of shall be included on the prices quoted. (c) Generating set shall be supplied with following maintenance spares at no extra cost to the Govt:- (i) Fuel filter element - 02 Nos. (ii) Oil Filter Element - 01 No. (iii) Fan Belt - 01 Set. (iv) Hose pipe - 01 Set. (v) Tappet Cover gasket - 01 No. (vi) Tool kit as supplied by the OEM with gen set.

S & F LT UG cable and Supply/Lying / fixing, jointing, testing and commissioning of LT under ground cable 70 Sqmm 3.5 core, 1100 volts grade XLPE insulated & PVC sheathed cable heavy duty armoured, with multistranded aluminium conductor laid in trenches/ ducts/ pipes/fixed on walls/poles complete all as specified and directed

S & F on load change over switch, front operated, 100 Amp, AC, 3 Phase 4- pole 415 volts, complete all as specified and directed. Make : Crompton greaves/ Havells/ HPL.

Excavation in trenches not exc 1.5m wide and not exc 1.5m in depth for foundation, for laying pipes/cables etc or for wells, shafts, manholes etc. in soft/loose soil complete all as specified and directed.

Returning, filling in, including spreading, levelling, watering and well ramming in layers not exceeding 25 cms thick in soft / loose soil complete all as specified and directed.

Removal of excavated surplus spoil to a distance n.exc 50m and depositing where directed at level not exceeding 1.5 m above the starting point,complete, all as specified & directed

M & L for brick protection with burnt clay FLY ASH bricks, as per IS-13757 1993) old size laid dry and flat abutting each other with gaps between adjacent brick 10mm with width equal to length of brick in trenches across the cable complete all as directed.

M & L for dry sand cushioning to PVC under ground cable with screened and washed sand and punning to provide a required cover complete all as specified and directed. Note :- Thickness after punning shall be considered for payment.

S & F 50mm bore GI Pipe, Light grade, with all fittings, protection for UG XLPE fixed to poles/ road crossing including clamps complete all as specified and directed.

M & L for earthing complete with galvanized steel earth plate 60 cm X 60 cm X 6 mm thick buried vertically in ground to depth not less than 2.25 metres deep below ground level, with top edge of earth plate not less than 1.5 m below ground level, connected to galvanized strip 32 x 6 mm earth lead by means of bolts, nuts, check nuts and washers of galvanized iron or steel besides welding at all joints as shown in drawing and including excavation and earth work, GI pipe light grade 40mm bore for protection of strip and connected to continous earth lead on pole/test point, supplying and laying charcoal dust common salt PCC 1:2:4 type B1, chamber and MS angle iron frame 40x40x3mm and RCC cover 40mm thick (1:2:4) type B1 using 20mm graded stone aggregate reinforced with 6mm dia round bars @ 75mm C/C both ways with MS handle 12mm dia, PGI funnel and wire mesh, 20mm dia GI pipe medium grade for watering all as shown in electrical plate No 3 on srl page No 497 of SSR Part I (2009) drawing and connection to earth test point including testing complete all as specified and directed Notes :- (i) Outer edge of earth pit shall be 1 metre away from the outer edge of PCC chamber. (ii) The cost of earth lead /strip and GI pipe for protection of earth lead/strip upto 7.5m is included in the quoted rate. (iii) The cost of excavation, earth work is included in the quoted rate.

S.S Enterprises

M/s Dhapola Elevator and Engineering

M/s V T Contractors

Hitesh Construction

GAR CONSTRUCTIONS

Singh Associates

M/S JINDAL ENTERPRISES