SPECIAL REPAIR/ REPLACEMENT OF DG SET AGAINST BER AT CHAF BANGALORE

Amount

Excavation in trenches not exc. 1.5m wide and not exc 1.5m in depth and getting out in soft /Loose soil for laying of cable all as specified and directed and as directed.

Returning filling in, including spreading, levelling, watering and well ramming in layer not exc 25cm all as specified and as directed.

Removal of surplus soil (excavated soil) to a distance not exceeding 50m and depositing where directed at a level not exc 1.5m above the starting point all as specified and as directed.

M & L River sand, spread dry in trenches as in cable cushioning all as specified and as directed.

Supply and lay in trenches un-reinforced precast concrete cable cover of class LV, Type 2, flat, size 300mm x 180mm x 40mm for protection of LT UG cables all as specified and directed.

Supply and Fix GI tubing light grade 80 mm bore as in cable protection fixed to poles/walls or laid intrenches/under road crossing etc. all as specified and as directed

M & L LT UG cable 3.5 core x 50 sq mm 1100 Volts grade XLPE insulated , flat armored, heavy duty with stranded aluminium conductor laid in trenches or fixed to walls/ poles or passing through pipes with and including,cable gland lugs/ thimbles/ ferrules including connecting, testing and commissioning complete all as specified and as directed.

M & L LT UG cable 3.5 core x 70 sq mm 1100 Volts grade XLPE insulated , flat armored, heavy duty with stranded aluminium conductor laid in trenches or fixed to walls/ poles or passing through pipes with and including,cable gland lugs/ thimbles/ ferrules including connecting, testing and commissioning complete all as specified and as directed.

Supply ,install,commissioning and testing totally enclosed silent operation with canopy,pollution/emission confirming to CPCB-II norms ,static type Diesel Engine driven,liquid cooled, Generating set of Turbo charged Air cooled 4 cylinder of 62.5KVA/50KW capacity with Outdoor type AMF Panel , 415V, 50 Hz, 3 Phase 4 wire system, 0.8 lagging P.F & 0.85 Load factor with following detailed Specifications . Make of the Engine : Cummins/Kirloskar/Ashok Leyland Make of the Alternator : Stamford/Alstom

Supply ,install,commissioning and testing totally enclosed silent operation with canopy,pollution/emission confirming to CPCB-II norms ,static type Diesel Engine driven,liquid cooled, Generating set of Turbo charge Air cooled 4 in line cylinder of 82.5KVA/66KW capacity with Outdoor type AMF Panel , 415V, 50 Hz, 3 Phase 4 wire system, 0.8 lagging P.F & 0.85 Load factor with following detailed Specifications Make of the Engine : Cummins/Kirloskar/Ashok Leyland Make of the Alternator : Stamford/Alstom (A) Diesel Engine for item Sl.No 9 & 10 Diesel Engine shall be 4 stroke liquid cooled, electric start, of suitable BHP at 1500 RPM confirm to IS:10001/ 10002,ISO 8528-1,suitable for specified capacity of alternator , turbo charged, Governing class as per ISO 8528 part-V,engine capacity of 10% overload for one hour in every 12 Hours of continuous operation , shall have noise limit of <75dB at 1 metre complied with CPCB-II norms complete engine and alternator mounted on anti vibration pads. (A1) Air Intake System for for item Sl.No 9 & 10 (i) Air intake manifold. (ii) Dry type air cleaner

(A2) Exhaust System for item Sl.No 9 & 10 (i) Turbocharger system (ii) Dry exhaust manifold with Residential silencer and catalytic converter (A3) Cooling system for item Sl.No 9 & 10 (i) Engine watercoolent pump (ii) Radiator with Fan (iii) Coolant additive concentrate (A4) Lubricating system for item Sl.No 9 & 10 (i) Oil pan (ii)Engine mounted lube oil pump (iii) Lube oil filter (A5) Starting System for item Sl.No 9 & 10 (i)12/24 v DC Starter Motor, Voltage regultors (ii)12/24v DC Dynamo for Battery charging (iii) 12V suitable maintenance free battery of suitable numbers/Capacity

(A6) Engine mounted Control Panel for item Sl.No 9 & 10 (i) microprocessor based (preferably) Instrument panel with digital display (ii) LED indicating lamps - for Genset running, remote start, shutdown, warning , manual, auto and stop (iii) Controller Data Logs with date and time (iv) Start/Stop switch with Key (v) Indication/Display of - for water temp, lub oil pressure, Lub oil temp, Battery charging, RPM, Over speed, Low lub oil trip , Engine hours, Fuel level, KWH generated, frequency, PF, KW, KVA, Volt, Amp. (vi) Engine and alternator Data - staring battery voltage, Engine running Hrs, Engine temp, Engine oil pressure, Alternator voltage, current, KVA, frequency, KWH shall be displayed (B) Protection to Genset for item Sl.No 9 & 10 i) Low lube oil pressure warning/shutdown (ii) High engine temp warning/shutdown (iii) Low coolant temp warning (iv) Radiator fan Belt Failure indication/shudown (v)Low/High battery voltage warning

(C) Alternator for item Sl.No 9 & 10 Synchronous alternator copper wounded above rated capacity , 415 Volts, 1500 RPM, 3 Phase 4 wire system , 50 Hz, AC Supply with 0.8 lagging power factor at 50 degree c, 50% RH and at 1000 m MSL, brushless type, self exicited, contineous duty, sel regulated through AVR conforming to IS:4722 with Class F/H insulation as per IS: 13364 . The salient feature are as under : (i) Permanent lubricating bearing (ii) Permissible overloading of 10% for one hour in every 12 hrs of continious operation (iii) Permissible unbalancing capability minimum 25% per phase (D) AMF Panel for item Sl.No 9 & 10 (i) Digital Amf controller with control relay such as mains faulier relay,under/over voltage protection relayl, under/over frequency relay,Reverse power protection relay (ii) switch gears such as MCCB,Power Contactor,Fuse (iii) Metering,control switches (vi)Weak battery warning (vii) Fail to start shutdown (viii) Cranking lockout Make of Switch Gears : L&T/ABB Make of Control Relays : PLA/L&T/ABB

(D) ACCOUSTIC ENCLOSURE FOR DG SET for item Sl.No 9 & 10 Supply and fixing accustic enclosures suitable for specified capacity diesel Generator set duly fabricated of channel and CRCA sheet of required size having doors , insulation sides and top by minral rock wool confirming to IS-8183 of adequate thickness accoustic louvers /outlet. ventilation system etc . complete as per manufacturers instructions with wiring and lighting arrangements duly painted synthetic enamalled paint over a primer coat or as directed of suitable size all as required at site and comprising of the following :- (i) Base: MS channel fabricate MS channel made out of 5 mm thick MS sheet (ii) Structure heavy duty rectangular MS box channel . (iii) Doors fabricated from MS CRCA sheet with air tight with neoprene rubber gasket and gun metal heavy duty spring loaded locks . (iv) Out side cover: Made out of CRCA sheet (v)Accustic insulation ( side &Top ) sound proofing minerla rock wool slab confirming to IS 8183 , covered by fire Resistant fiber tissue as per manufacturer recommandation (vi) Inside cover : CRCA perforated sheet powder coated (vii) Inspection port : Aluminium frame with double walled glass fixed type sealed with neoprene rubber gasket for viewing instrument panel

(E) FUEL TANK for item Sl.No 9 & 10 One No of sheet metal steel tank made out of 3.0 mm thick MS sheet of suitable capacity of hold diesel sufficient for 12 hours running at full load, tank shall be fitted with in canopy as per manufacturer's design including the following:- (i) Level indicator to indicate level of diesel in tank. (ii) Drain plug with 2.0 mtrs pipe for drain oil. (iii) fuel strainer. (iv) Pipe for fuel. (v) Air vent. (vi) Mannually operated one no. fuel pump. NOTE for item Sl.No 9 & 10 :- (a) Generating set will be placed on suitable foundation as recommended by manufacturer and cost thereof shall be included on the prices quoted . (b)Tools shall be supplied with DG set unit as per manufacturer,s instructions and cost thereof shall be included in the price quoted . (c) DG Set shall be placed at the site directed by Eng-in-charge (d) Testing of DG set shall be done as per relivant clause of PS. (e) old BER'd DG sets-02 Nos with AMF/Control panel is dismantled and deposite to MES store as per Engineer-in-charge directions , cost thereof shall be included in the price quoted

M&L for Earthing complete with GI earth plate 60 cm x 60 cm x 6 mm thick buried directly in ground vertically to a depth not less than 2.25 mtr below ground level with top edge of the earth plate at a depth not less than 1.5 mtr filled around with layer of charcoal dust and salt and connected to GI earth strip size of 32x6 mm by means of bolt nut and cheek nuts and washers of galvanized iron or steel and thimble and other ends of the earth strip connected to main switch board and protected by galvanized iron pipe light grade 40 mm bore and watering pipe 20mm dia light grade with funnel and wire mesh pcc 1:3:6 in chambers RCC 1:2:4 in pit cover reinforecd with 8 mm dia deformed bars 15 cm center both ways all as directed by Engr-in-charge.

MONA GENERATOR SEVICES PVT. LTD.

M/S - KRUPA ELECTRICALS