REPAIRS/MAINTENANCE OF 1 MW SOLAR PLANT AND ITS CONNECTED ITEMS AT AF STN PHALODI

Amount

M&L for repair/servicing of 1250 KVA, 50 Hz ± 3 Hz (minimum) 3 phase 400V,1080A DTH <3% at nominal power inverter suitable to convert DC power of solar PV module/array to AC for further feeding to grid. The input D.C. tech specification of inverter are as under- Max DC power : 1200 KWp MPP range : 380-820V Max current : 2000A No. of MPPT trackers : As per design No of input string : As per design Operating temperature : (-)10º to (+)85ºC. The inverter consist of associated control, protection, data loging device and remote monitoring hardware. Note : (i) The unit quoted rate shall be deemed to included all minor spares etc.

S&F in replacement Grid monitoring relay of existing specification complete all as specified and directed.

S&F in replacement module cooling fan suitable for FIMER PVS800-104 inverter complete all as specified and directed.

S&F in replacement DS024-12 Q53A/07 card installed in solar plant string combiner box including replacement of faulty wiring, IGBT, DC capacitor, rectifier, microcontroller, data exchange devices, transceiver, minor saftey, cooling & supporting components complete all as specified and directed.

S&F of crystalline silicon solar PV modules of not less than 320 Wp each having efficiency more than 16% at standard test condition, fill factor more than 0.80 plant performance ratio more than or equivalent to 80% in accordance with IEC:61724 & made of high transmittivity glass and glass front surface shall give high encapsulation gain. (transmittance above 90% and bending less than 0.3%) Electrical parameters of 320 Wp solar PV module under STC of irradiance 1000 W/m2 , AM 1.5 Spectrum & temperature 25⁰ C will be as under- Max Peak power Pmax : >320 Wp Current at Pmax Ipm : 5.86 A Voltage at Pmax Vpm : 54.7 Volt Short circuit current Isc : 6.24 A Open circuit voltage Voc : 64.8 Volts

M&L for repair/maintenance of Module cleaning arrangement - includes pipeline pumps, water storage tanks, valves, etc complete all as specified & directed.

M&L for carrying out servicing/calibration of HT VCB panel including VCB 630/400 Amps, , after taking proper shut down and disconnecting the cables from panel and VCB Breakers, calibration of over fault relay, earth fault relay, checking of alignment of VCB isolating contacts, rewiring of burnt out/unsv VCB panel wiring complete, servicing of operating mechanism including tripping and closing system of the breakers, dehydrating, decorbonising of panel, bus section & circuit section including incoming/outgoing cable and necessary HT insulation at joints. Removing perished monoplus compound cleaning and re-insulating with HT taps wherever necessary with and including replacement of burnt out/defective spares like tension springs, tortion springs, nut bolts, washers of suitable size, lingers etc., under the supervision of authorised dealer/ representative and refixing the panel in its original position with complete painting of VCB Panel and testing entire satisfaction of Engineer -in- Charge. Note : (i) The unit quoted rate shall be deemed to included all minor spares etc.

M&L for repair / servicing of 5KVA UPS for weather monitoring station complete with power backup of VRLA tubular wet batteries of appropriate rating, battery backup duration minimum of 2 hours complete all as specified and directed. Note :- (a) Minor item / spares parts shall deemed to be included in the unit quoted rate & not to be paid separtely .

S&F in replacement UPS battery of plant SCADA system complete all as specified and directed.

S&F in replacement solar PV 15A-10 F Feuz Bussmann fuse complete all as specified and directed.

S&F in repair RDCU -12C card with 3 analog inputs - differential, common mode voltage 15 V, galvanically isolated as a group, one 0(2) to 10 V, resolution 12 bit, two 0(4) to 20 mA, resolution 11 bit 2 analog outputs - 0(4) to 20 mA, resolution 10 bit 7 digital inputs - galvanically isolated as a group (can be split in two groups), Input voltage 24 V DC, Filtering (HW) time 1 ms 3 digital (relay) outputs - Changeover contact, 24 V DC or 115/230 V AC, Max. continuous current 2 A Reference voltage output: 10 V 0.5%, max. 10 mA Auxiliary power supply output: +24 V 10%, max. 250 mA including installation of compatible software complete all as specified and directed.

S&F in repair 24 V aux Contactor suitable for ABB PVS800-57 central inverter of cap 630 KW as specifiend and as directed.

S&F in repair charging fuse 20 Amp suitable for ABB PVS800-57 central inverter of cap 630 KW as specifiend and as directed.

S&F in repair charging fuse 63 Amp suitable for ABB PVS800-57 central inverter of cap 630 KW as specifiend and as directed.

S&F in repair IGBT FRC set suitable for ABB PVS800-57 central inverter of cap 630 KW as specifiend and as directed.

S&F in repair FS450 IGBT module suitable for ABB PVS800-57 central inverter of cap 630 KW as specifiend and as directed.

S&F in repair RDIO card suitable for ABB PVS800-57 central inverter of cap 630 KW as specifiend and as directed.

S&F in repair 1000V, 800 Amp DC fuse suitable for ABB PVS800-57 central inverter of cap 630 KW as specified and as directed.

S&F in repair 690V, 1000 Amp DC fuse suitable for ABB PVS800-57 central inverter of cap 630 KW as specified and as directed.

S&F in repair LCL fan suitable for ABB PVS800-57 central inverter of cap 630 KW as specifiend and as directed.

M&L in repair replacement of PVC outlet pipes of size 15mm/20mm of length 1 meter including necessary excavation, fittings and making good the surface, replacement of PVC gate valves of existing size complete all as specified and as directed.

S&F in repair PVC flexible pipe superior quality of size 20mm dia comple all as specified and as directed by Engineer-in-Charge.

M&L MS work including MS pipe/ angle/sheet/flat etc for repair of solar PV module supporting structure legs including necessary PCC regrouting, fabrication with existing structure duly painted complete all as specified and as directed by Engineer-in-Charge.

M&L removing vegetation, clearing areas of shrubs, grass etc from the vicinity of the PV module bay alongwith nearby area including disposal of waste not less than 200 meter from the site complete all as specified and as directed.

S&F in replacement DC to DC converter card complete all as specified and as directed by Engr-in- Charge.

M/S BHERA RAM & SONS (BID ID -3329210)

Mahaveer Traders (BID ID -3337625)