CERTAIN REPAIRS TO ELECTRICAL EQUIPMENTS INCLUDING ELECTRICAL MACHINES WITH ONLINE MONITORING UPGRADATION AND ALLIED WORKS UNDER GE TENGA

Excavation in trenches in any type of soil not exc 1.5 mtrs wide and not exc 1.5 mtr in depth for laying of pipe/ cables/ poles etc and getting out hard & densile soil complete all as specified and as directed.

Returning filling in any type of soil including spreading leveling watering and well ramming in layers n.exc 25 cm complete all as specified and directed.

Removing excavated soils to a distance n.exc. 50 mtr and depositing where directed at a level not exc 1.5 m above the starting point complete all as specified and directed.

M & L for laying of fine, clean sand (river sand) free from sharp materials and stone particals in trenches for cushioning of cable 8 cm thick under cable and 15 cm thick over the cable including gently punning complete all as specified and directed. Note:- The total thickness of sand shall be measured 18 cm after punning.

Supplying and laying un-reinforced precast concerete cable cover, class LV, type 1 flat size 250mm x150mm x 40mm for cable protection , laid flat ie length of cable cover shall be laid across the cable, complete all as specified and directed

M & L for opening up Solar Inverter of 10 KW capacity and repair/replacement of defective parts like MPPT charge Controller Board, Switching Circuit, Isolation Transformer, Control Panel, surge protection devices and any other defective parts complete also taking down by disconnecting all connections and installation of Solar Inverter at its original position after repair complete all as specified and directed.

S&F for replacement of Solar battary 12 V 150 Ah maintenance free all as specified and directed.

S&F Solar Control cable (or DC Photovoltaic cable) specilized single core used to connect solar panels to inverters of size 6 sqmm complete all as specified and directed.

Supply and installation, testing and commissioning indoor type 100 KVAR capacity APFC bank panel with incoming MCCB 200 Amp with operating handle, MDXL offered Heavy duty Mixed dielectric type Box capacitor with 7 % Aluminum wound Reactor, units tested in accordance with IS 13340-1993/IS 13341-1992, IEC 60831 part 1 & 2 with thyristor control module with aluminium heat sink with semiconductor fuses, smooth switching On and Off automatically at +/- 10 Volts, compartmental design dust and vermin proof suitable for 3 phase, 4 wire 440 volt, made out of 2mm thick CRCA sheet with built upon rigid frame work, cubical type, heavy duty powder coated RAL 7035 capacity 100 KVAR (20x4+10x1+5x1+3x1+2x1) kVAr capacitor bank having following accessories including control wiring with HR FR/FRLS copper wire complete all as specified and as follows :- (Loc - Rupa Pump House - 01, Gachham Pump House - 01) (i) To withstand on Non Liner load upto 40% (ii) 2.5 in Over Current with stand. (iii) 10000/year Switching capacity. (iv) 1,60,000 hours life expectancy. (v) Capacitor, MCB/MCCB, Contractors, APFC Relay will be of same make. (vi) Panel fabrication need to be in house and at component manufactures own factory. (vii) APFC design with Aluminium bus bar as per global standard current density of 0.8A/Sqmm, (1A/Sq mm in case of copper) (viii) Ambient will be of 45*C (ix) Ventilation air within cubicle must flow upwards. (x) Extractor fan must be fitted on top of cubicle. (xi) Bottom air intel should be as low as possible. (xii) Cross section of top air outlet must be more than bottom outlet. (xiii) Reactor must be fitted in separate enclusure of capacitor. (xiv) APFC relay with RS485 communication, Dual setting for EB & DG load , to monitor KVAR de rating, inbuilt programmable alarm for capacitor dating, Harmonic Monitoring 3rd to 19th, Temperature alarm and with Fan control relay. (xv) Compact modular bolted design, removable side and back panels with bottom cable entry.

Supply and installation, testing and commissioning indoor type 40 KVAR capacity APFC bank panel with incoming MCCB 100 Amp with operating handle, MDXL offered Heavy duty Mixed dielectric type Box capacitor with 7 % Aluminum wound Reactor, units tested in accordance with IS 13340-1993/IS 13341-1992, IEC 60831 part 1 & 2 with thyristor control module with aluminium heat sink with semiconductor fuses, smooth switching On and Off automatically at +/- 10 Volts, compartmental design dust and vermin proof suitable for 3 phase, 4 wire 440 volt, made out of 2mm thick CRCA sheet with built upon rigid frame work, cubical type, heavy duty powder coated RAL 7035 capacity 40 KVAR (10x2+5x3+3x1+2x1) kVAr capacitor bank having following accessories including control wiring with HR FR/FRLS copper wire complete all as specified and as follows :- (Loc - Rupa water Point - 01, Gachham Water Point - 01) (i) To withstand on Non Liner load upto 40% (ii) 2.5 in Over Current with stand. (iii) 10000/year Switching capacity. (iv) 1,60,000 hours life expectancy. (v) Capacitor, MCB/MCCB, Contractors, APFC Relay will be of same make. (vi) Panel fabrication need to be in house and at component manufactures own factory. (vii) APFC design with Aluminium bus bar as per global standard current density of 0.8A/Sqmm, (1A/Sq mm in case of copper) (viii) Ambient will be of 45*C (ix) Ventilation air within cubicle must flow upwards. (x) Extractor fan must be fitted on top of cubicle. (xi) Bottom air intel should be as low as possible. (xii) Cross section of top air outlet must be more than bottom outlet. (xiii) Reactor must be fitted in separate enclusure of capacitor. (xiv) APFC relay with RS485 communication, Dual setting for EB & DG load , to monitor KVAR de rating, inbuilt programmable alarm for capacitor dating, Harmonic Monitoring 3rd to 19th, Temperature alarm and with Fan control relay. (xv) Compact modular bolted design, removable side and back panels with bottom cable entry.