PROVISION OF GENERATOR SET (62.5 KVA) FOR BLDG NO P-61 UNDER GE NASIK ROAD CAMP

Amount

Supply, installation, testing and commissioning of 50 KVA DG set complete 415V, 50Hz, AC with acoustic enclosure as per CPCB-II norms directly coupled to alternator brushless type, mechanical AVR and Governor, voltage regulation ±1% complete with Std control panel with automatic ON/OFF on mains failure (AMF) panel with all standard accessories as per IS and norms having all type of meters, fuel tank, fuel line system, foundation as per OEM recommended etc of capacity upto 50 KVA suitable for the purpose of synchrornization of DG sets through 3.5 core 70sqmm cable and all as per the specifications given below all as specified and as directed by Engr-in-Charge. Diesel Engine : Diesel engine having minimum output 80.2 BHP with prime rated power as per ISO:8528/1, speed 1500 RPM, four cylinders, 4 stroke radiator liquid cooled engine sull authority Electronic Engine Well designed air handling system with dry type, heavy duty, replaceable paper element air cleaner with restriction indicator air to air after cooling and optimised turbocharger for increased altitude capabilities, electric starting system with 12 volt

Item No 1 Contd. DC electric starting motor, standard integral set mounted radiator system, full flow spin on lube oil filter, plate type lube oil cooler, battery charging alternator, residential grade silencer suitably optimised to meet stringent noise emission standards laid down by MoEF/CPCB. Alternator : PMG Alternator of rating 50 kVA/40 kW, 415 volt AC 3 phase 4 wire system on 50 Hz frequency and speed 1500 RPM at power factor 0.8 (Lag) having class "H" insulation for both rotor and stator with IP23 screen protected, drip proof and conforms to BS 5000, IS 4722and IEC 34 standards and brushless, self excited, self regulated excitation and suitable for a permissible overload of 10% for one hour in 12 hrs test run, ±1% voltage regulation and all as per the recommendations of the manufacturer and alll as specified and as directed by Engr-in-Charge DG Engine control panel : Supply, install, test and commissioning of electronic DG control panel to be mounted inside the acoustic enclosure of DG sets with following basic features : (a) Graphic LED backlight LCD. (b) Multiple language support . (c) Amp Sentry TM protection - for true alternator overcurrent protection.

Item No 1 Contd. (d) Digital power Transfer Control (AMF) provides load transfer operation in open transition, closed transition, or soft (ramping) transfer modes. (e) Extended paralleling (Peak Shave/Base load) regulates the genset real and reactive power output while paralleled to the utility. Power can be regulated at either the genset or utility bus monitoring point. (f) Digital frequency synchronization and voltage matching. (g) Isochronous Load Share. (h) Droop KW and KVAR control. (j) Real time clock for fault and event time stamping. (k) Exerciser clock and time of day start/stop initiate a test with or without load or a Base load or Peak Shave session. (l) Digital Voltage regulation three phase full wave FET type regulator capable with either shunt or PMG system.(m) Genset monitoring and protection. (n) Utility/AC Bus metering and protection. (o) 12 Volt DC Battery interconnecting to customer equipment.

Item No 1 Contd. ACCOUSTIC ENCLOSURE: Specifically designed to meet stringent MoEF/CPCB norms of 75 dBA@1mtr at 75% load under free field condition. The accoustic enclosure is made of CRCA sheet in munsel green shade and a structural/sheet metal base frame painted in black. The hot chamber of the canopy shall be properly insulated by mineral wool and aluminium foil to prevent excess heat radiation. BASE FRAME : The Diesel engine and alternator shall be perfectly aligned and assembled dynamically balanced on a sturdy, fabricated, welded construction, channel iron base frame. Base frame shall have lifting provisions and predrilled holes suitable for grouted foundation. AMF Panel : AMF panel with incoming MCCB of 4 pole, 415V, 125 Amps with main power supply & DG Set power supply indication with voltmeter & Ammeter and multifunction meter for various operations as reccommended by manufaturer & push button for stop, reset and acknowledge with IP 54 degree protection as per IS: 12063 and shall be provided with automatic start facility to make it possible to take full load within 30 seconds of mains power supply failure. Testing facility for automatic opertaion of DG Set shall be provided. Note : Engine shaft suitable for generating application and capable of giving output of 50 KVA for coupled alternator under NTP conditions, complete with following :

Item No 1 Contd. (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 storage type Battery of suitable Voltage and Amppre hours as recommanded by the manufactures. (vi) Residential 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)

Item No 1 Contd. (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 50 KVA DG set. (xvi) Diesel tank of adequate capacity for 12 hrs continous run on full load with calibrated scale (fuel level indicator) 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. (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.

Item No 1 Contd. (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 provided 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 19 kW upto 75 kW shall be as under:- (i) Emission Limits (g/kW-hr) NOx+ HC (Oxides of Nitrogen and Hydrocarbon) : < 4.7 CO (Carbon Monoxide) : < 3.5 PM 2.5 (Particulate Matter) : < 0.3 (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.

Excavation in trenches in soft / loose soil not exceeding 1.5 mtr deep and not exceeding 1.5 mtr wide for laying of cable, RCC poles / stays and struts etc. and getting out including trimming sides and forming bottom surface complete all as specified and directed at site.

Returning, filling in including spreading, leveling, watering and well ramming excavated soil in layers not exceeding 25 cm thick each, back in trenches after cables have been laid and tested, poles, stays , struts have been erected and tested , all as specified and directed.

Removing excavated surplus soil (Soft/hard soil) obtained from excavation to a distance not exceeding 50 mtr and depositing where directed at a level not exceeding 1.5m above the starting point, complete all as specified and directed.

Supply, laying & testing cable XLPE insulated,screened, PVC bedded, galvanized steel strip or wire armoured, electric power cables (heavy duty) 1100 volts grade with stranded aluminum conductor, laid in tranches passing through pipes /ducts including testing complete of following cross sectional area and size :-

70 Sq mm X 3½ Core

10 Sq mm X 2 Core

Material and labour for Double Walled Corrugated DWC HDPE Pipe of outer dia 90mm and innter dia 75mm including 90 degree bends with coupler and rubber ring laid in trenches of size 90 mm suitable for cable protection of cable complete all as specified and directed.

Material and labour for Double Walled Corrugated DWC HDPE Pipe of outer dia 50mm and innter dia 38mm including 90 degree bends with coupler and rubber ring laid in trenches of size 50 mm suitable for cable protection of cable 4 core 16Sqmmto 3.5 core 5 Sqmm complete all as specified and directed.

Supply only PVC weather proof, hinged door, junction box with, 240V, Neutral link and 1No MCB SP of 6 Amps, necessary fixing arrangement such as 32x5mm clamps, nut, bolts, etc including dismantling old unservieable junction box all as specified and directed. Make : Sintex, Cat No. GSJB 2014 or equivalent of Hensel/ National.

M & LEarthing complete with galvanized steel earth plate electrode 60 cm X 60 cm X 6.3 mm thick buried directly in ground (earth pit not less than 2.25 mtr deep below normal ground level) with top edge of plate not less than 1.5 mtr below ground level connecting to the GI strip 32 x 6mm, by means nut bolt, nuts, check nuts and washer of the GI Earth wire protected by provision of GI light grade pipe 40 mm incl provision of concrete pit in PCC (1:2:4) type B-1 using 20 mm graded stone aggregated with 40 mm thick cover with RCC (1:2:4) reinforced with XPM (weight not less than 4 Kg / Sqm) and frame of angle iron 25mm X 25 mm X 3mm with lugs 2 Nos and with 6 mm dia MS bar handle made to shape, GI light grade 20 mm bore pipe for watering perforated at bottom 1.75 mtr long placed on top edge of earth plate, common salt and charcoal filling, taste point made out of phosphorus bronze with fixing arrangement, funnel, wire mesh and earth work in hard/dense soil, returning filling in and removal of surplus soil to a distance not exceeding than 50 mtr, all as per electric plate No 3 of SSR Part I 2009 and connection to earth test point all as specified incl testing on completion”.

Supply and fix galvanized earth strip 32 mm x 6 mm for earthing from earth plate to equipment complete fixed on pocelain insulator every 1 meter interval all as specified and as directed.

Excavating in post holes each n'exc 0.5 Cum and getting out in in soft/ loose soil and returning filling in and ramming earth or broken boulders mixwed with earth around in layers n;exc 25cm complete all as specified and as directed by Engr-in-Charge.

M&L for PCC 1:2:4 type C1 using 20mm graded aggregate for coping including necessary form work and fair finishing of exposed surface of concrete all as specified and directed.

S&F Steel work in tubular trusses including special shaped washers etc using ERW or induction butt welded tubes confirng to IS 1161-1979 grade St-240 complete all as specified and as directed by Engr-in-Charge.

Supply and fixing rolled sections as in main and cross beams, Fe-410W purlinns etcfixed with angle cleats, or other connectig plates complete all as specified and as directed by Engr-in-Charge.

Supply and fixing Pre-painted galvalume aluminium zinc coating GI based steel corrugated sheet 0.63 mm thick of Red colour having tensile strength of 550 Mpa as in roof covering/cladding to wall,fixed with self tapping screws complete all as specified and as directed.

M&L for painting of new or previously untreated surfaces including priming with redoxide, zinc chrome alongwith two coat of synthetic enamelled paint for surfaces of any description, over 10cm in width or girth, not otherwise described complete all as specified and directed.

Rama Electricals