COMPREHENSIVE MAINTENANCE OF 06 MW SOLAR PHOTOVOLTAIC (SPV) UNDER GE (U) MEERUT CANTT

Annual maintenance contract (AMC) for Grid-Connected Solar Photovoltaic Power Plant of capacity 06 MW (02 MW-01 No and 04 MW-01 No respectively), On Grid type Solar photo Voltaic Plant (SPV) Project at Meerut cantt with SCADA system - 02 Nos respectively. Plant Description:- Location - Meerut Cantt Latitude - 29.0202803 Longitude - 77.7354293 DC Capacity - 6614.00 KWp AC cap - 02 MW & 04 MW Design and drawing documents - Available Commissioning date - 2 MW - 28 Feb 2021, 4 MW - 15 Mar 2021 Operational Acceptance - Yes DISCOM - UPPCL Connectivity voltage - 33 KV Main Grid - 33 KV, solar connected with 33 KV at Roorkee Road 33 KV MRS Major Eqpt Details:- i) Module - 6680 Nos & 13360 Nos, Cap 330 Wp/each, system voltage 1500 V DC, (Make-Waaree) ii) No. of Modules / strings - 20 Nos approx (DC 1500V) iii) Inverter - 02 Nos - 1250 KW & 04 Nos - 1250 KW, (Make - ABB) iv) Data logger - 01 No & 01 No v) WMS - Pyranometer - 01 No & 01 No - Rain gauge - 01 No & 01 No - Ultrasonic Anemometer - 01 No & 01 No - Tempreture and relative humidity meter - 01 No & 01 No

Solar Panel (35 W) + Battery Bank - 01 No & 01 No Module Temp sensor & Ambient temperature sensor - 04 No & 04 No vi) Lighting protection system with 8.5 meter GI mast - 04 Nos & 08 Nos (Make - SGI) vii) Copper AC cable 1C x 400 Sqmm 1.1 KV armoured - 430 RM (Approx) & 1250 RM (Approx) (Make - Polycab). ix) XLPE insulated screened pre bedded galvanised steel strip of HT cable 3 Core 185 sqmm 33 KV Aluminium conductor - 300 RM (Approx) & 6000 RM (Approx). x) DC String Cable of 1C x 6 sqmm solar grade xi) XLPE LT Cable 4C*10 sqmm - 665 RM (Approx) & 1200 RM (Approx), and 4C*25sqmm - 530 RM (Approx) xii) String Monitoring Box - 18 Nos & 36 Nos xiii) RMU SF6 33 KV, 630 Amp outdoor type-01 Nos, comprising of 02 Nos incoming and 02 Nos outgoing (Make - ABB) xiv) HT SF6 breaker rated voltage 33 KV current rating 630 Amp, outdoor type - 01 No xv) Transformer 2.5 MVA copper wound step up 33 KV - 01 Nos & 02 Nos , (Make-Voltamp) xvi) LT Panel board 02-Nos with I/C MCCB 100 amp - 01 Nos and O/G TPN 63 amp - 02 Nos, TPN 25 amp - 01 No and TPN 10 amp - 04 Nos (Make - Universal) xvii) UPS 5KVA 1- phase with battery bank - 02 Nos (Make- Eaton) xviii) ABT Meter / Electric Trivector meter 0.2 class 30/5 CT Ratio - 02 Nos (Make-Secure) D14

xix) VCB HT SF6 Breaker with rupturing capacity 31.5 KVA Rated voltage 33 KV Rating 630 A - 01 Nos (Make - ABB) xx) Fire fighting instrument cylinder and Fire stand 04 Nos & 02 Nos, Flext-C02 type 9 kg - 02 Nos & 02 os, Flext C02 type 3 kg - 02 Nos & 02 Nos, Flext chemical powder type 9 kg - 02 Nos & 02 Nos, Flext-C02 type 25 kg - 02 Nos & 02 Nos, Flext-Foam type 9 kg - 01 Nos & 01 Nos, Flext-C02 type 9 kg with hangers - 02 Nos & 02 Nos (Make - Safex) xxi) Galvanised mild steel medium grade water tubing 80 mm bore - 350 RM (Approx), 65 mm dia- 150 RM (Approx) & 300 RM (Approx), 50 mm dia - 480 RM (Approx) & 900 RM (Approx), 40 mm dia- 900 RM (Approx), 25 mm dia- 1675 RM (Approx) & 2400 RM (Approx), 15 MM dia - 120 RM (Approx), Gun metal gate valve 65 mm- 01 No, Gun metal gate valve 50 mm bore - 02 Nos & 2 Nos, 15 mm Pre Flexible pipe - 200 RM (Approx), PVC Nozzle 15 mm - 69 Nos. xxii) LED Street light 45 watt & 72 watt - 24 Nos & 94 Nos, xxiii) LT Pole Type (410-SP-31) 9.00 meter long - 20 Nos & 45 Nos. xxiv) Pumping sets, submersible, single stage, open well type,electric driven, 3 ph, 50 Hz, 2700 RPM, CI Body, impeller, stainless steel shaft 600 LPM at 20 mtr head including submersible cable 3-core 4 sqmm and starter control panel comprising of single phasing preventor, starter for 5 HP Motor - 01 No, sluice valve 80 mm - 02 Nos. xxv) Steel tabular swaged pole ISI Marked Type - 410-SP-55, 11 meter long - 02 Nos. xxvi) Timer switch TPN 40 Amp, Suitable for 6 KW load - 01 No & 02 Nos xxvii) LT Panel Board - 01 No

xxviii) MC4 Male/Female connector set xxix) DC Cable of 1C x 185 sqmm. xxx) On grid Data Acquisition/ Plant monitoring system (SCADA) with one PC with intel-i5 Processor, LED Monitor,all in one printer - 01 No & 01 No. xxxi) Inverter communication shielded CAT6 cables. xxxii) Digital energy meters - 01 No & 01 No. Name of the site- Meerut Cantt,Capacity- 02 MW & 04 MW SCOPE OF WORKS FOR ANNUAL MAINTENANCE CONTRACT (AMC):- 1. Reference to latest guidelines promulgated by SECI on the subject and guideline issued vide E-in-C's Branch letter No A/37696/OSDPL/Pol/E2W/ (PPC) dated 21 Feb 2024. 2. As per Performance Obligation. the contractor shall maintain minimum Capacity Utilisation Factor (CUF) of 15%. The historical performance of the plant and guaranteed annual CUF is given as under:- Guaranteed CUF of the Plants 04 MW & 02 MW in last 04 years respectively:- (a) 2021-22( 01 Mar 2021 - 28 Feb 2022) - 18.33 % & 18.46 % (b) 2022-23 (01 Apr 2022 - 28 Feb 2023) - 18.18 % & 18.30 % (c) 2023-24 (01 Apr 2023 - 29 Feb 2024) - 18.22 % & 18.33 % (d) 2024-25 (01 Apr 2024 - 28 Feb 2025) - 18.09 % & 18.03 %

Generation (KWH) Report of the plants 04 MW & 02 MW in last 04 years respectively :- (a) 2021-22( 01 Mar 2021 - 28 Feb 2022) - 5317112 KWH & 2647060 KWH (b) 2022-23 (01 Apr 2022 - 28 Feb 2023) - 5727086 KWH & 2843462 KWH (c) 2023-24 (01 Apr 2023 - 29 Feb 2024) - 5376962 KWH & 2691174 KWH (d) 2024-25 (01 Apr 2024 - 28 Feb 2025) - 5069837 KWH & 2649820 KWH

Note:- 1. The succsesfull bidder shall rectify the defects within 30 days of acceptance of the work order in the both the solar power plants such that minimum capacity utlisation factor (CUF) of 15% for plants is maintained. 2. The Contractor shall ensure the plant availability upto 99%. However, the plant availability due to grid outages will be considered only if the same are certified by the competent authority/ GE. Any other outages which are not attributable to the Contractor and are certified by Department may also be considered. 3. Linear degradation of the module output (i.e., 0.75% of DC capacity at Std temp Condition per year) shall be considered for the calculation of CUF every year. 4. The contractor shall perform periodic overhauls and preventive maintenance required for the plant. 5. In order to optimise the useful life of equipment of solar power plant , the contractor shall carry out necessary routine , breakdown and preventive maintenance. 6. The contractor shall carry out the performance monitoring for the plant facility on continuous basis and in case of any deviation contractor shall perform the due diligence appropriately to find out the actual root cause of such deviation. any test or spection required such as thermal imaging, current voltage (IV) characterstics test, PTC to analysis such deviation will be the responsibility of the contractor thereafter corrective action reuired to mitigate such deviation shall be undertaken by the the contractor without any additional cost.

23. The Contractor,for any major equipment fail such as Inverters/Solar Module/ACDB/VCB/RMU/Transformer/SCADA System/Sensors/SMCs/Cables/HT-Breaker/UPS/ABT Electric meter/Submersible pump set/fire fighting equipment shall repair/replaced the equipment on free of cost basis. The Old Inverter/Solar PV Module/VCB/RMU/Transformer/HT Breaker shall not be a property of Contractor and has to be deposited by him in the MES Store. Preventive Maintenance Schedule & Checklist 1) Module Interconnects Tightness -Visual Check Monthly 2) Integrity of Cable Terminations in Junction Box in Visual Check-Monthly 3) Visual Inspection of Cracked ,Chipped and Broken Modules-Monthly 4) Visual Inspection of Rodent Attacks on Cable Conduits -Monthly 5) Visual Inspection of Junction Box & Combiner Box enclosures -Monthly 6) Hardware on Structures - Monthly 7) Vertical Post Structures Rigidity -Visual Check Quarterly-Monthly 8) Earthing Strip Check Visual Check-Monthly 9) DC and AC termination checks and retightening as required in Inverters -Visual Check-Half Yearly-Monthly 10) Cleaning of Filters in Suction Side of Inverters -Monthly 11) Accounting, reporting and auditing of Renewable energy certificates - Monthly 12) Cybersecurity data monitoring

13) Inspection of Module mounting structure bolts , grounding erosion etc - Monthly 14) Maintenance of HVAC/ Cooling system installed in solar plants system including replacement of defective parts which is required for functioning of HVAC/ Cooling appliances installed at Solar plant system - Monthly 15) Tightening electrical connection, torque check, thermo geographic inspection etc - Monthly 16) checking junction box, fuse status, string diodes, connector, cable trench inspection, rodent protection, cable clamps etc -Monthly 17) Water drainage paths preventive maintenance - Monthly 18)Checking of module mounting structures, fasteners and screws. Tightening of nut bolts as needed. Fasteners, screws and nut bolts are to be replaced if required-Monthly 19)Perform a complete visual inspection of the Inverter and Earthing including related equipment including subassemblies, wiring harnesses, contacts and major components-Monthly 20)Check appearance/cleanliness of the cabinet, ventilation system and insulated surfaces-Monthly

21)Perform temperature checks on all breakers, connections, and associated controls-Monthly 22)Check all fuses for open or signs of heating (Inverter & Combiner)-Monthly 23)Checking of all earthing connections and their earthing resistances-Monthly 24) In case either the 2 MW Solar Power Plant or 04 MW Solar Power Plant or both Solar Power Plants fail to generate power for even a single day at any time during the currency of contract period, except in case of force majeure or grid outages or maint shutdown certified by the CWE/GE/AGE, the contractor shall be liable to pay a lump sum recovery / compensation of Rs. 40,000/- (Rupees Forty Thousand only) per day for such non-generation. 25)Checking of inverter terminations-Monthly 26)Check functionality, e.g. automatic disconnection upon loss of grid power supply-Monthly 27)Checking the state of DC/AC surge arrestors, cable connections, and circuit breakers-Monthly 28)Checking DC cabling, strings and termination in inverter-Monthly 29) Inspection of cable for Insulation damage-Monthly 30) Tightening of termination including replacement of MC4 connectors – if needed-Monthly 31)Checking of AC Distribution board for any loose connections-Monthly 32)Checking of the Relay settings in the LT Breaker Panels-Monthly

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