PROVN OF 01X 58.5 KVA, 01X 20 KVA GENERATOR SET AT BN HQ GUJJARPATTI AND 01X 20 KVA GENERATOR SET AT DUNIWAR COB IN THE AOR OF AGE E/M UNDER GE 874 EWS

Supply, installation, commissioning and testing of 20 KVA Liquid (Water) Cooled silent DG Set ( CPCB IV + NORMS COMPLIANCE or Latest CPCB Norms) comprising of Liquid Cooled Diesel Engine Model developing minimum 25.5 BHP @1500 RPM 20 KVA Alternator rated at three phase, 415 Volts, 50 Hz, 0.8 PF @ 1500 RPM both mounted and aligned on a common MS Base frame complete with MS fuel Tank, Manual Control Panel, Residential exhaust silencer, AVM pads fitted on base frame, 01 Nos 12 Volts DC Battery, battery leads, 1st fill of Lube oil all housed ,switch gears for automatic starting on main failure, in sound proof acoustic enclosure protected with asbestos rope independently supported from engine to outside power house upto 1 mtr, AVM pads foundations as per manufacture design battery start with suitable size of cable for connecting upto panel board . DG Set shall be capable of operating in temperature range (-25* C to + 35*C) fitted with Cold starting kit with and including the following . Notes :- (i) The quoted rate shall deemed to be inclusive of supply and laying of cables and terminations from the generator to the control panel, including making necessary openings in walls and making good to all disturbed surfaced to match the existing finishes, complete all as specified and directed. (ii) The quoted rate shall deemed to be inclusive of the first fill of lubricating oil and carrying out the final successful acceptance test. (iii) The quoted rate shall deemed to be inclusive of excavation , removal of soft /hard soil, PCC, construction of cement concrete foundation, backfilling and mass concrete of 1:2:4, type B2 (using 40mm graded stone aggregate), as per OEM drawings, for renewal of the DG set, complete all as specified and directed.

(iv) Factory inspection and testing of the DG set shall be carried out in the presence of the representative of the Accepting Officer, and all associated charges shall be borne by the contractor. (v) Contractor shall submit detailed technical specifications, approved model, make, drawings and OEM literature to the Accepting Officer for approval prior to placement of the order. (vi) The make of the DG set, switchgear, accessories and all items to be incorporated in the panel board hall be as specified in Schedule 'A' (List of makes or shall be got approved from the Accepting Officer on the drawing before placement of the order. (A) Prime mover Vertical diesel engine of suitable capacity water cooled closed circuit as per BS-649 or IS-10002 direct injection type turbo charged electric starting system having rated speed 1500 RPM. The DG Set shall be capable of running 24hrs continuously with 10% over loading for one hrs continuously in every 12 hrs as per BS -649. Engine shall be equipped with all standard fitting and mounted on common base frame with following fittings. (a) RPM cum hour meter (b) Battery charging Ammeter ( c) Ignition key and starting with push button switch (d) Lubricating Oil pressure gauge (e) Electronic governor controlling Oil demo gauge (g) 12/24 Volts starting equipment comprising of the following fittings (i)12/24 V Battery (ii)Battery charging alternator (iii) Self starting of suitable capacity (iv) Battery leads of copper cable with brass thimbles and terminals. (v)starting gear engine.

(B) Alternator Alternator rating 20 KVA, 3 phase,4wire,415 Volts 50C/s supply derated at site condition i.e. 1800 mtr above MSL 0.8 power factor running @ 1500 RPM self excited ,self regulated, mounted on strong fabricated steel frame, suitable for mounting on a permanent foundation to be coupled with above engine. The alternator shall be confirming to BS-2613 or IS -4722. (C) Control panel Alternator control panel to be canopy mounted with internal copper wiring with copper conductor cable of suitable size for 20 KVA alternator 415V,3 phase,4 wire 50Hz fabricated out 1.5mm thick MS sheet painted externally with two coats of synthetic enamel paint over a coat of primer including following accessories (a) Digital AMP, Volt, Frequency, KW, KWH, Meters in the Engine controller with Scrollable selector switch (b) CTs of suitable range -01 set (c) MCCB -01 No ( For incoming )as recommended by manufacture (d) Set of Aluminium bus bar suitable capacity (e) Set indicating lamps (f) Set of instrumental fuses. (D) Other fittings (i)Battery charger having electric circuit consisting of triodes , capacitor and resistances etc. The battery charger should be able to charge the battery at all times whenever the electric supply given to battery charger through control panel or electric power point. (ii) In built Fuel tank of suitable capacity as per manufacturers instructions capable for12 hrs running of DG Set inside the canopy base with all connecting pipes upto fuel pump and including oil level indicating gauge drain air vent plug etc. Note : The rates of this items including the commissioning & testing complete (POL for DG Set testing will be issued by concern unit

M&L for earthing complete with galvanised steel earth plate electrode of size 60×60cm and 6mm thick surrounded by mixture of charcoal and salt in alternate layers, buried directly in ground vertically in a pit of depth not less than 2.25 metres deep below ground level with top edge of the plate not less 'than 1.5 metres below normal ground level, connected to equipment by using GI strips of size 32 x 6mm as earthing lead by means of bolts, nuts, check nuts and washers of galvanised iron all as shown in electrical plate No.5 of MES schedule and connected to earthing test point all as specified and directed including earth pit of size 30cm x 30cm x 45 cm made of PCC 1:3:6 and PCC 1:2:4 cover, funnel, GI Tubing etc. & testing on completion all as specified. Note :- The quoted rate includes the cost of excavation & earth work in any type of soil, charcoal and salt in alternate layers, 20mm bore GI Pipe (med grade) for watering 40mm GI protection pipe (light grade) funnel, wire mesh, lugs, PCC 1:2:4 type B1 chamber in cement concrete 50mm thick precast RCC M-25 nominal mix) cover duly reinforced with XPM (weight not less than 3kg/sqm) and CI frame etc. and including provision of test point, connecting to test point and testing on completion etc. complete all as specified. The unit rate also include earthing lead and protection pipe upto 7.5mtr from top of earth plate.

Supply and laying ,jointing and testing XLPE insulated armoured heavy duty electric cable with aluminium conductor ,1100 Volts grade ,cross section area 50 Sqmm 3.5 core complete laid in trenches, ducts or fix to pipe, on walls, poles complete all as specified and directed. Note :-Earth work shall be measured and paid separately.

Excavation in trenches not exceeding 1.50m wide and not exceeding 1.50m depth for foundation ,laying of cables/pipes/poles etc., and getting out in hard/dense soil complete all as specified and directed.

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

Removal of surplus soil as obtained from excavation to a distance not exc. 50 Mtr and depositing where directed at a level not exc. 1.5 mtr above the starting point complete all as specified and directed.

Supply and laying dry river sand for cable cushioning in trenches to required width at bottom and top of cable including spreading levelling watering and consolidation complete all as specified and directed by Engineer-in-charge Note:- Only punned down thickness of sand cushion shall be measured and paid.

Supply and laying old size brick covering with width equal to length of brick as the mechanical protection to cable with well burnt sub class 'B' laid in trenches flat complete all as specified and directed by Engineer-in-Charge.