Tender For Providing And Fitting Of Essential Items And Allied Material For Snow Clearance Operation At Nathatop Sanasar Road, Doda-Jammu And Kashmir

Providing And Fitting Of Essential Items And Allied Material For Snow Clearance Operation At Nathatop Sanasar Road-1 Supply, Testing and Commissioning of 48V SMPs Float Cum Boost Automotive Battery Charger with Moveable Trolley stand for snow operation at Nathatop - Sanasar roadGENERAL TECHNICAL REQUIREMENTS FOR BATTERY CHARGER SUITABLE FOR 48V VRLA TYPE BATTERY1.) Type -Float & Float Cum Boost Charger for VRLA Type, full wave, full controlled type. 2. ) RATINGS- 15 A Float cum Boost for 48V, 150 AH VRLA Type Battery 3. ) AC INPUT- i) Voltage 415 VAC ± 10%ii) Frequency 50Hz ± 5% iii) Phase 3 - phase 4.) D.C.OUTPUT VOLTAGE SETTINGS -Nominal Float FC 48/54.5V (adj. By + 20%, - 5% BC 48/66.5V (adj. By + 2%, - 5%) 5.) OUTPUT CURRENT LIMIT 15A 15A 6. ) POWER CONVERSION AC to DC by means of three phase full wave, Half controlled bridge rectifier consisting of thyristors and diodes. 7.) VOLTAGE REGULATION AT BRIDGE OUTPUT. + 1% of set value for + 10% Input Voltage Variations, 0-100% Load variation. 8. RIPPLE VOLTAGE Less than 3% RMS without battery connected. 9. EFFICIENCY More than 80% at full load 10. PROTECTIONS (a) Input side AC input MCCB & ELBS with input ON/OFF switch and fuses, contactor (b) Output side DC output MCCB with output ON/OFF switch and fuses. (c) Protection Current limit protection, soft start feature, surge suppressor. Fast semiconductor fuses for rectifier bridge. (d) Control circuit Fuses (e) Capacitor circuit Rectifier HRC fuses. (f) Over-voltage cut-back (g) Charger over load / short circuit (h) Blocking diode 11. CONTROLS AND SWITCHES Followings controls and switches are provided in the system 1 AC input source MCCBs with interlocking 2 DC output MCCB 3 Auto/Manual float/boost mode selector switch. 4 Float and boost voltage variable potentiometers. 5 Manual voltage adjustment Potentiometer 6 Test push button 7 Reset push button 8 Battery current adjustment potentiometers 9 Heater’s power supply switch 12. FEATURES The following features are provided in the systems: 10 Soft start on DC side 11 Class-F insulation for all magnetic 12 Automatic voltage regulation. 13 Automatic changeover from float to boost and vice versa based on current, drawn by battery. 14 Filter circuit to eliminate ripple. 15 Charger current limit 16 Separate battery path current limit. 17 Built-in auto phase reversal of operation. 13. METERS F.C. B.C. (i)Input Voltmeter (i) Common (ii) Input Ammeter (ii) Input Ammeter (iii) Output Voltmeter (iii) Output Voltmeter (iv) Output Ammeter (iv) Output Ammeter. Battery volt meter Battery ammeter Earth leakage ammeter 14. Indications Phase ‘ON’ lamps (ii) Output ‘ON’ lamp a)phase ‘ON’ lamps (ii) Output ‘ON’ lamp. (iii) Charger ‘ON’ float LED (iv)Charger ‘ON’ boost LED. 15. Annunciation with audiovisual alarms. (i) AC input mains failure (ii) Input phase failure (iii) AC under voltage iv) Input phase failure v) Rectifier fuse failure vi) Output fuse failure vii) Filter fuse failure viii) DC under voltage ix) DC over voltage x) Charger trip xi) Capacitor fuse fail xii) Output MCCB tripped xiii) Charger over load xiv) Earth leakage xv) DC earth fault xvi) Alarm supply fuse failure xvii)Battery low condition. v) Rectifier fuse failure vi) Output fuse failure vii) Filter fuse failure viii) DC under voltage ix) DC over Voltage x) Charger trip xi) Capacitor fuse fail xii) Output MCCB tripped. Note : All the alarms shall be provided through electronic display cards. Audio alarm through buzzer, visual indication through 10 mm LEDS & alarm ackn. / reset and LED provision is through push buttons. 16. Operating ambient temperature surrounding the panel 00 to 500 C 17. Surrounding the panel Relative humidity. 0-95% non-condensing 18. PANEL (i) Protective grade (ii) Cooling (iii)Paint IP – 42 Natural air-cooled Smoke Grey of ISS-692 shade a) Average winding temperature rise over ambient temperature b) Insulation class c) Insulation breakdown voltage. As per relevant ISS. ‘F’ 3 kV for 1 min withstand. 19. CABLES 1100 V grade PVC insulated copper. Ferrules shall be provided for identification of connection.Job includes the cost of material, transportation charges installation charges and all taxes. The job also includes providing and fitting of electrical switch gears if required and cabling of appropriate rating if required at site of installation of battery charger 2 P/F of Heavy Duty Anti-Skid chains -04 Nos for TATA Yodha to prevent skidding of the Vehicle during snow clearance. Supply of Snow shovels -05 Nos, Heavy Duty LEd Torches – 05 Nos, Mobile Power Bank - 02 No, Heavy Duty umbrellas- 05 Nos, Basic Medical kits, ropes/Wires for snow rescue operations and Any other equipments/tool important with the perspective to maintenance of snow machines. Job includes the cost of material, transportation charges and all taxes. 3 Providing of Vertical Road Signage Acrylic board- -06Nos mounted on MS angle Frame cum stand of size 2’x2’x5’ depicting Road Closure, Men at Work, Vehicles not allowed and Snow Clearance under Progress. Job includes cost of Acrylic boards, MS Angle of size 75mmx25mmx3mm, priming/painting of the MS frame, letter engraving and allied works. Job includes the cost of material, transportation cost, labour charges and all taxes.

INR 200 /-

INR 3020.0 /-

INR 1.51 Lakhs /-