SPECIAL REPAIRS / REPLACEMENT OF 250 KVA DG SET AT MH DEOLALI UNDER GE DEOLALI

Amount

Supply, erecting, testing and commissioning complete of manufacturer or OEM manufactured static, silent (Sound Proof enclosure) Diesel Engine Driven Generating Set capable of delivering 250 KVA at power factor 0.8. water coolled, 415 Volts (AC three phase, 4 wire system of supply) 50 Hz. The DG Set shall consists of diesel engine coupled to a matching alternator, through flexible coupling and mounted on common base frame and complete with control panel standardized by manufacturer, fuel tank with mounting arrangements and inlet, outlet, return inlet oil arrangement exhaust pipe complete and suitable for conditions prevalent at devlali (Capacity of Engine, alternators shall be worked out taking all derating factors into consideration) including PCC foundation (of suitable size leaving at least 0.5 M all around for ease up movment and 0.5M height above NGL) anti-vibration pads, including all features to comply with latest CPCB guidelines .and comprising of followings:-

(i) Engine (Prime Mover):- Diesel Engine 1500 RPM, Direct injection multi Cylinders, four stroke, confirming to ISO 3046/BS 5514, water cooled, naturally turbo charged, capable of giving adequate BHP to drive Alternator capable of delivering 250 KVA at outdoor atmospheric conditions at Devlali, (Taking all derating factor into consideration), 12/24 Volt (as per manufacturer recommendations) electrical battery start, complete with fly wheel with all standerd fittings/fixtures as per manufacturer and including suitable panel for tachometer, lub oil temperature, pressure gauge and frequency meters and also including self starter system, dynamo, fuel electric control panel with electronic governor (ECPG) and Engine protection system (Shut down, indication for High water temperature, low lub oil, oil pressure, over speed etc.), multi functional meter for RPM, PF,hrs runs,frequency, oil pressure,temp,amps and voltage indications, fuel tank and first fill of lub oil, coolant and other consumables etc. (ii) Alternator:- Brushless AC alternator, 3 Phase, 415 Volt, 4 wire, rated for output of 250 KVA, at power factor 0.8, 1500 RPM, IP 23 class enclosure, insulation Class "H", salient pole, revolving field, single bearing automatic voltage regulator coupled through flexible coupling with and to match the above engine. (iii) BASE PLATE :- made out of structural steel as per manufacturers recommended design/specifications. .

(iv) ACOUSTIC ENCLOSURE: Sheet metal fabricated cope type silent enclosure manufactured on CNC machines as per CPCB norms and powder coated after seven tank process, the enclosure shall be designed for reducing the sound level to 75 DB (A) at a distance of 1 M at 75 % load under field condition and & 70DB at 3 M from Gen set when DG set is working at full load along with testing conformance, labeling certification etc as laid down in GSR No.371(E) dt 17 May 2002. (v) Foundation/Plinth/Base : shall be provided as per manufacturers recommendation, however minimum 0.5 m space should be available all around the set and height of plinth shall not be less than 0.5 M (vi) Diesel storage tank of capacity adequate for storage of diesel for 12 hours operation of Gen set. (vii) MISC : Tool kit, Operation and maintenance catalogue, spare part list overhauling manuals guarantee card etc shall be provided as per manufacturer standard pratices.NOTES:-(i) The capacity of Generator set shall be net after all due derating factors as per relevant ISI design. (ii) Rate quoted shall be deemed to be inclusive of cable and terminations form Generator all as specified and directed. (iii) The quoted rate shall be deemed to be inclusive of first fill of oil, coolant and final successful acceptance test. (iv) The quoted rate shall be deemed to be inclusive of 12 hours test run at site including of half an hour on 10% overhead in presence of representative detailed by accepting Officer, all arrangements including consumables like diesel, oil, coolant, load for testing etc are to be made by the contractor for the tests.

.Notes (Contd/..) : Engine shaft suitable for generating application and capable of giving output of 250 KVA for coupled alternator under NTP conditions, complete with following : (i) Suitable fuel pump and fuel piping of size as recommended by manufacturer (ii) Fuel filter with water separator and filter element. (iii) Lub - Oil filter with filter element. (iv) D.C. starter 12 Volts. (v) Maint free storeage type Battery of suitable Voltage and Ampere hours as recommanded by the manufactures. (vi) Industrial type silencer including MS exhaust pipe lagged with asbestos rope of 5 mm dia all around and over this 50 mm thick flat mineral wool insulated sheet cover and then, 24 SWG Aluminium sheet cladding with rivets all over the length. (vii) Support/ fixing arrangement for muffler with cilling through anti vibration pads. (viii) Engine overspeed stop/ trip switch. (ix) Radiator with fan. (x) Dynamo for battrey charging. (xi) Correosion inhibitor coolant. (xii) Engine control panel electronic, digital display type consisting of bty Voltage indicator, lub oil temp and pressure guages, coolant water temp guage, RPM indicator-cum-hour meter etc. (xiii) Safety controls for alarm due to high water temp (HWT) and low lub oil pressure (LLOP) (xiv) Any other devices/ accessories recommended/ supplied by the manufactures as standard eqpt.

(xv) Skid : The engine and alternator shall be coupled, aligend and mounted on a specially designed common base frame fabricated from MS channels of suitable corss sectional area and length with bottom drilled holes suitable for and including supplying and fixing anti vibration pads. Make : Anti vibration pads :- Dunlop/ Polybond of required size and numbers as recommended by the manufactures for mounting of 200 KVA DG set.(xvi) Diesel tank of adequate capacity for 12 hrs continous run on full load with calibrated scale f(fuel level indicatorf) dip stick, fuel inlet/ outlet, Air vent, drain plug and inlet arrangement for direct filling, including suitable size gun metal gate valve in outlet, tank shall be fitted all as per manufacture's requirements/ specification. (xvii) Acoustic enclosure with canopy cover shall be provided as per latest CPCB norms. (xviii) Industrial type silencer including MS exhaust pipe lagged with asbestos rope of 5 mm dia all around and over this 50 mm thick flat mineral wool insulator sheet cover and then, 24 SWG Aluminimum sheet cladding with revets. all over the length. (xix) Support/ fixing arrangement for muffler with ceillign through antt vibration (xx) Documents : Three sets of fwg docus :- Maint and Ops manuals for enigne and alternator, spare parts catalogue, warranty/ test certificates, schematic diagrams of control panels. (xxi) Connecting cable in new panel with required accessories etc complete. (xxii) Optional items : list of tools and as per manufactures recommended lists, duly proced, item wise. (xxiii) Contractors shall satisfactorily conduct load test of each DG set for 12 hrs including run on 10% overload for 1 hrs. (xxiv) Testing eqpt will be arranged by the Contractor under his own arrangement and cost.

NOTE :(A) DG set shall be orovided with Emission Control Equipment/Device having minium specified Particulate Matter (PM)capturing efficiency of 70%, type approved by bone of the five Central Pollution Control Board (CPCB) recognzed labs. (B) The emission limits for DG set as per CPCB-II norms for DG set of Power Category more than 75 kW upto 800 kW shall be as under:- (i) Emission Limits (g/kW-hr) NOx+ HC (Oxides of Nitrogen and Hydrocarbon) : < 4.0 CO (Carbon Monoxide) : < 3.5 PM 2.5 (Particulate Matter) : < 0.2 (ii) Smoke Limit (Light Absorption Coefficient, m1 : < 0.7 (c) Smoke shall not exceed above value throught the operating load points of the test cycle.

M&L for earthing complete with galvanized steel earth plate electrode size 600 x 600 x 6.0mm thick buried directly in ground vertically in a pit of depth not less than 2.25 mtr below ground levels with top edge of the earth plate not less than 1.5 mtr below normal ground level surrounded from all sides by mixture of charcoal and common salt and electrode connected to and including galvanized iron strip 32 X 6 mm earth lead by means of bolts, nuts, check nuts and washers of galvanized steel including GI pipe light grade of size of 40 mm dia for protection and GI pipe light grade 20mm dia bore for watering funnel with wire mesh. CI cover with frame, PCC chamber pit with PCC 1:3:6 type C-2 excavation and earth work of any type strata all as shown in electrical plate No 5 connected to earthing test point all as specified or indicated including testing on completion. Note : The unit rate includes for protection pipe and GI earth strip of size 32 6 mm from top of earth plate up to 7.5 meter above ground level.

Supply, installation & testing of AMF Panel comprisin AST kit. of size 1.5mx1.2mx.05m made out of 3.00 mm thick CRCA sheet, aluminum bus bar of suitable size, internaly pre wired , panel shall be totally enclosed dust, weather & vermin proof, with powder coated after washed with RR- 10 chemical for rust proofing, mounted on 50x50x6 mm angle Iron stand floor mounted &cosisting of following accessories:- a) Automatic Source Transfer System (ASTS DN3-630 ) 630 Amps 50 KA. Make L&T Model No DN3 630. -01 set ( Complete with connecting bus-bar assembly , Cable harness, 2 MCCBs + 2 SE-EOM + 2 ATAC + 1 MIL kit ) b) Automatic Transfer Controllers (ATC) (AuXC-2000) with cable harness make-L&T, cat part No ATC2000OOOO - one No c) Control MCB SP 6 Amp. 230 V – 6 Nos. d) LED Indicating Light for Main & DG R-Y-B power supply — 6 Nos. e) LED Indicating Light for Main & Gen. ON – 2 Nos. f) Battery Charger (inbuilt) with LED Indicating Light for battery Charger –1 No. g) Multi functional meter for Volt, Amps, PF, Frequency, make L&T, Model- WL440510OOOO

Item No 3 (Contd/…) h) MCCB 400 Amps 50KA . Make L&T with spreader link- 02 Nos I) CT Coil of suitable ratio ---- 6 Nos. j) Engine start relay k) Connector block for control wiring. l) Auto / Manual Switch ---1 No. m) Start & Stop Push Button with cable harness--1 Set n) Aluminium bus- bar of capacity 600 A n) All other minor accessories required for AMF panel.

Dismantling, removing and transporting of old unserve 250 KVA DG set along with control panel and alternator and diposinting in AGE E/M yard.

P Hireenterprises

Electromech Engineers

M/s Shreeji Construction Co

DHARMESH ENTERPRISES

national engineering

MONA GENERATOR SEVICES PVT. LTD.

BHARADWAJ BROTHERS

Rama Electricals