PROVN OF STANDBY POWER SUPPLY FOR HQ BLDG ALONGWITH TILING OF S/BY LEAD ACID CHARGING ROOM AT AF STN BHUJ

Supply, install, testing and commissioning of Diesel Engine driven generating set 100 KVA, 3 Phase, 4 wire, 415 Volts, 1500 RPM, 50 Hz power supply with power factor 0.8 coupled directly to alternator mounted on a common base plate complete with integral acoustic enclosure having silent features such as modular bolted construction with fabrication on imported CNC torret punch machines, nine tank treatment process with pure polyster based powder coating to ensure long life in all weather conditions and for out door application/ installation, integrated design there by facilitating / easy handling installation & shifting of the equipment at site. Compliance standard of DG set should be confirming to IS-8728. The design of integral acoustic enclosure should be any type approved by national Physical laboratory as per Central Pollution Control Board (CPCB-IV) latest norms/ regulation with fuel tank, battery and standard accessories, acoustic enclosure, vibration pad, tools and spare,as provided by manufacturer, PCC foundation size as per recommended by OEM using block masonery type 1:5:8 using 20mm graded aggregate with solid blocks & PCC (1:3:6) foundation concrete, 15 mm thick plaster in 1:4 and 2 coats of cement base paint for minimum hight from GL 1 feet all as specified and as directed with the following specifications :- (A) ENGINE - make Greaves Cotton ,model GPWII-PIV-100 or equivelant model from make specified in Appx B, direct injection, 4 cylinder, In-line 4 stroke,radiator cooled, compression ignited, turbo charged and charged water cooled diesel engine 139 Amp at 1500 RPM and complying with BS 5514/ISO 8528-5 G2 standard :- (i) 12 V electrical starting system consisting of starter motor, charging alternator (ii) Dry type Air cleaner with restriction indicator (iii) In-line Fuel injection system with Electronic Governor (iv) Spin-on Lube oil filter elements (iv) Radiator, Air-to-Air after cooler, pusher fan & fan drive arrangement, Gear driven water pump (v) Sensor for oil pressure, Coolant temperature & level (iv) First fill of Lube oil. (B) ALTERNATOR : Single bearing alternator suitable for continuous operation generating 100 KVA at 1500 RPM, 415 Volts, 0.8 power factor (lag) suitable for 50 Hz, 3 phase, 4 wire system confirming to IS/IEC 60034, brushless type, screen protected revolving field, self excited, self regulated through an AVR. The alternator has the following features : (a) ± 1.0% voltage regulation (max) in static conditions (b) IP : 23 protection with insulated class H (c) Permissible overload of 10% for one hour in 12 hours of operation. Features, Functions, Protections

(a) 16 character x 2 line alphanumeric LCD display with LED backlight (b) Operator interface (c) Provide a record of most recent fault conditions, Fault history stored in the control non volatile memory (d) Provide Alternator data frequency. Provide Engine data- Starting (a) Battery Voltage (b) Engine Temp (c) Oil pressured (d) Engine Hrs run Control includes provision for service adjustment and calibration of DG control function (a) Voltage, frequency selection (b) Meter calibration (c) Configurable input and output set up Power start operates on 12 V DC batteries Auto start mode accepts a ground signal from remote devices to automatically start the DG set. The remote start will also wake up the control system from sleep mode. Engine Starting - The control system supports automatic engine starting, Primary and back up start disconnects are achieved by battery charging feedback or main alternator output frequency. Controller provide configurable time delay of 0-300 sec to start after remote start signal and time delay of 0-600 secs prior to shutdown after stop signal. Sleep mode increase battery life. Configurable current setting from low to minimize current draw when genset is not working. Engine Protective Functions includes :- Configurable alarm output emergency stop : Annunciated whenever an emergency stop signal is received by the control (a) Low Lube oil pressure warning and shutdown (b) High engine water temperature warning / shutdown (c) Low coolant temp warning (d) sensor failure indication (e) Low and high battery voltage warning (f) Weak battery warning (g) Fail to start shut down (h) Cranking lockout : Control will not allow the starter to engage or to crank the running engine (j) Cyclic cranking : Configurable for the number of starting cycle (1 to 7) and duration of crank and rest periods (k) Alternator Protective functions includes (l) High and Low AC voltage shutdown (m) Under and over frequency shutdown / warning (n) Loss of sensing voltage input shutdown Fuel tank( In built fuel tank)

Supply, install, testing and commissioning of AMF Panel OUTDOOR TYPE suitable for 100 KVA DG set factory made out of CRCA Steel 3.15mm thick Sheet, floor mounted type and front operated type, totally enclosed dust, damp and vermin proof, all doors and joints will be suitable gasketed to form dust and vermin proof. The panel should be powder coated with minimum thickness of 50 microns, after elaborate pre-treatment to form a long lasting characteristic. The control panel will be complete in all respect with fuses, wiring and labels etc, the following will be incorporated in the AMF Panel :- (i)Multifunctional meter digital (Amp+Volt+PF+Hz+KW+KWH)-01 No. (ii) Alternator voltage monitor 01 No (iii) Main voltage monitor - 01 No (iv) Ammeter DG digital - 01 No (v) Voltmeter DG digital - 01 No (vi) Main Power contactor -4 pole of capacity 250 Amps -01 No (vii) DG Power contactor -4 pole of capacity 250 Amps - 01 No (viii) Indicator Lamp - 02 Nos (ix) MCB (For control ckt)-10 Nos (x) Auxiliary Contactor -02 Nos (xi) Automatic battery charger 12 volt -01 No (xii) Terminal O/L relay - 01 No (xiii) Terminals (for control cable)-06 Nos (xiv) One set of copper bus bar of size 25x10 mm. (xv) Main MCCB -4 pole of capacity 250 Amps -01 No (xvi) DG MCCB -4 pole of capacity 250 Amps - 01 No (xvii) Outgoing MCCB -4 pole of capacity 250 Amps - 01 No (xviii) control cable of suitable size -1 Job Note: The required PCC foundation for AMF Panel is included in the rate .

M&L earthing complete with galvanised steel earth plate electrode 60 cm x60 cm x 6 mm thick buried directly in ground ,(Earth pit not less than 2.25 meter deep below ground level) with top edge of plate not less than 1.5 meter below normal ground level ,connected to and including galvanised iron earth strip 32x6 mm dia by means of nut, bolts, check nuts and washers of galvanised iron or steel as shown in electrical plate No.3 of SSR Part-I (2009) complete all as specified and directed including testing on completion including the material and labour of the following : - (a) Excavation and earth work for electrode in any type of Soil. (b) PCC pit in cement concrete 1:2:4 type B-1, Pre cast RCC cover with suitable handle 40 mm thick in PCC 1:2:4 type B-1, reinforced with welded steel wire fabric weighing not less than1.87 Kg/ Sq meter. (c) Funnel with watering pipe of GI 20 mm nominal bore light grade and lugs etc complete all as specified and directed (d) 40 mm nominal bore medium grade GI protection pipe 5 meter long for protection of earthing lead complete all as specified and directed. (e) Requisite quantity of common salt and charcoal. (f) Testing of earthing. (g) GI strip exeeding 7.5 RM will be measured in respective item.

Supply laying, jointing and testing cable XLPE insulated, armoured heavy duty electric cable with stranded aluminium conductor, 1100 volts grade, laid in trenches passing through pipe/ ducts/ surface of wall ceiling etc of size 185 sqmm, 3.5 core incl providing and crimping of lugs/providing glands of suitable size complete all as specified and directed

Supply laying, jointing and testing cable XLPE insulated, armoured heavy duty electric cable with stranded aluminium conductor, 1100 volts grade, laid in trenches passing through pipe/ ducts/ surface of wall ceiling etc of size 95 sqmm, 3.5 core incl providing and crimping of lugs/providing glands of suitable size complete all as specified and directed

Excavation in trenches not exc. 1.5m wide and not exc. 1.5m in depth for foundation etc or for shafts, wells, cesspits, manholes pier holes etc not exc. 10sqm on plan and not exc 1.5m in depth and getting out in hard/dense soil ,For laying of pipe/cable/finding out LT cable faults complete all as specified and directed by Engineer-in-Charge.

Returning filling in soil and including spreading leveling watering and well ramming in layers n.exc. 25 cm thick complete ,For laying of pipe/cable/finding out LT cable faults all as specified and directed.

Removing excavated soil to a distance n.exc. 50 mtr and depositing where directed at a level n.exc. 1.5m above the starting points complete all specified and directed.

M&L for sand cushioning for UG cables using dry river sand; gently punning down all as directed and specified. Note : For measurement purpose punned thickness shall be considered