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| 1 | Annual maintenance contract (AMC) for Grid-Connected Solar Photovoltaic Power Plant of capacity 01 MW Plant Description:-Location - Bambolim Camp GOALatitude - 15.47255Longitude - 77.87600DC Capacity - 1248 KWp AC cap - 01 MWOperational Acceptance - YesPower Procurer /DISCOM - GSEB Connectivity voltage - 11 KV Main Grid - 11 KV, solar connected with 11 KV at main s/s Bambolim camp Major Eqpt Details:-i) Module - PVL-L1000E-(IN), (Make - TMEIC)ii) Data logger - 01 Noiii) WMS - Pyranometer - 01 No - Rain gauge - 01 No - Ultrasonic Anemometer - 01 No - Tempreture and relative humidity meter - 01 No - Module Temp sensor & Ambient temperature sensor - 01 No iv) Lighting protection system with 8.5 meter GI mast - 01 Nos v) String Monitoring Box - 09 Nos vi) 11KV VCB, 630 Amp Indoor type-01 Nos, (Make -Schneider) vii) Transformer 1.25 MVA copper wound step up11 KV - 01 Nos vii) 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 Nosix) UPS 5/6KVA 1- phase with battery bank - 01 Nosx) ABT Meter / Electric Trivector meter 0.2 class 30/5 CT Ratio - 01 Nos (Make-L&T) The AMC services shall be provided strictly through the OEM.Spare exclusions: Above contract is excluding following spares: a) Consumable spares b) Ageing spares, wound components c)The contract with OEM for this item should have validity of 1 Calender year. |
| 2 | Note:- 1. The succsesfull bidder shall rectify the defects within 30 days of acceptance of the work order in 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/ AGE. 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. 7. The Contractor shall ensure minimum Capacity Utilisation Factor (CUF) as specified in the contract during the entire AMC period.8. The Contractor shall maintain overall plant availability up to 99%, excluding certified grid outages and departmental shutdowns.9. All breakdowns affecting generation shall be attended on priority and rectified within the stipulated time to avoid generation loss.10. Mandatory spare parts required for uninterrupted operation of the Solar Power Plant shall be kept readily available at site at all times during AMC period.11. The Contractor shall maintain the earthing resistance value within permissible limits. In case the earthing value exceeds specified limits, necessary recharging/replacement/new earthing shall be carried out by the Contractor at no extra cost.12. The Contractor shall strictly comply with all applicable safety standards, IE Rules, IS Codes, statutory requirements, and departmental safety procedures during execution of maintenance works.13. Any defective equipment/components affecting performance and efficiency of the Solar Power Plant shall be repaired/replaced by the Contractor without any additional financial implication to the Department |
| 3 | 14. The Contractor shall carry out routine, preventive, breakdown and predictive maintenance of the complete Solar Power Plant system during the AMC period.15. Continuous monitoring of plant performance, generation data, inverter status and system health shall be carried out by the Contractor.16. The Contractor shall conduct necessary inspections/testing such as thermal imaging, IV curve testing, insulation testing and performance analysis whenever required for identification of abnormalities and corrective actions.17. The Contractor shall maintain proper records of preventive maintenance, breakdown maintenance, inspections, testing and generation data, and submit the same to the Engineer-in-Charge on regular basis.18. All required T&P, testing instruments, safety equipment and consumables necessary for operation and maintenance of the plant shall be arranged by the Contractor.19. Monthly inventory and spare consumption reports shall be submitted to the Department.20. Joint meter readings, outage records and maintenance registers shall be maintained properly throughout the AMC period.21. The Contractor shall maintain proper housekeeping and cleanliness in and around the Solar Power Plant area.22. The Contractor shall prepare and submit Annual Preventive Maintenance Schedule for approval of the Engineer-in-Charge.23. Proper coordination with Department representatives shall be maintained for smooth operation and maintenance activities.24. Cybersecurity monitoring and data communication systems associated with the Solar Power Plant shall be maintained in healthy operating condition.25. Renewable Energy generation records, reporting and documentation shall be maintained as required. |
| 4 | Preventive Maintenance Inspection & Checking ScheduleDaily Checking26. Monitoring of daily power generation, inverter performance and system availability.27. Checking of inverter alarms, faults, trips and abnormal indications.28. Recording of daily generation, downtime and meter readings in logbook.29. Visual inspection of control panels, inverter rooms and equipment for abnormal noise, overheating or smell.Monthly Checking30. Visual inspection of PV modules for cracks, damages, discoloration and hotspots.31. Inspection and tightening of module interconnections, DC/AC terminations and cable joints.32. Inspection of Junction Boxes, Combiner Boxes and Distribution Boards.33. Inspection of cable trenches, conduits and cable insulation for damages and rodent attacks.34. Checking and cleaning of inverter filters, ventilation systems and panel enclosures.35. Inspection of module mounting structures, nut bolts, fasteners and clamps for looseness/corrosion.36. Checking of earthing system, earthing strips and measurement of earthing resistance values.37. Inspection of surge protection devices, breakers, relays, fuses and isolators.38. Thermographic inspection of electrical connections and terminations.39. Inspection of MC4 connectors, string cables and inverter terminations.40. Checking functionality of protection systems including automatic disconnection during grid failure.41. Cleaning and maintenance of drainage paths around structures and equipment foundations. |
| 5 | Quarterly Checking42. Inspection of structural rigidity, alignment and condition of module mounting structures.43. Detailed inspection of lightning protection system and associated earthing arrangements.44. Verification of inverter operational parameters and performance trend analysis.45. Inspection and calibration check of protection relays and associated control systems.46. Review of preventive maintenance records and system performance data.Half Yearly Checking47. Comprehensive retightening of major electrical terminations and busbar connections.48. Preventive maintenance and servicing of inverter cooling and ventilation systems.49. Inspection and testing of safety devices and protection systems.Annual Checking50. Complete preventive overhaul and servicing of Solar Power Plant equipment.51. Comprehensive testing and calibration of protection systems, meters and monitoring devices.52. Detailed performance assessment of the Solar Power Plant to verify contractual performance parameters.53. Inspection of complete structural system for corrosion, deterioration and foundation condition.54. Preparation and submission of Annual Maintenance and Performance Report to the Department. |
| 6 | Annual maintenace of online system integrating it with the plant. for on-grid data monitoring and collection, suitable for a 3-phase, 415V, 50Hz system, with Online operation (1 Year internet Recharge required). the system integrated with following parts A) 4G + ethernet based Plug and Play - RTU with antenna, data logger to connect inverters,sensors and MFMs (B)Line SPD Citel make (optional but recommended) (C) RS485 Communication SPD citel make (optional but recommended) ( D) IP 67 enclosure box with SMPS power supply (E) Access to Web portal-server charges for 1 year Data frequency – 10 minutesKey Components• Interactive Dashboard• Single Line Diagram• PR analysis• Solar radiation & weather data• Graphs and Reports• Superuser Dashboard for Centralized monitoring• Mobile appNote : The cost of replacement of item required to makem the existing sytem serviceable is the responsibility of the contractor and no extra cost will be given to the contractor. |
| 7 | Supply and fix in repair Inverter PVPCS 1MW,IGBT S26 29 Part No-PE-8000057683 With Busbar strip Make-TMEIC |
| 8 | Supply and fixing in repair of Inverter capacitor PG-6SR-769,5200MFD, 500 VDC,Surge 550 VDC,Cap. Tol.+- 20%,-40'C + 85'C with Busbar strip Make-ALCON ELECTRONICS |
| 9 | Supply and fixing in repair of Inverter Hall-effect current Transduser,800A/4V Part No-PE-5P3H1698P056 |
| 10 | Supply and fixing in repair of Current Transduser,HAS 50-S/SP16,50A/AV Part No-PE-5P3H1698P045 |
| 11 | Supply and fixing in repair of Air Filter,type1,PV PCS Cabinet Part No-PE-3AZG0244P001 |
| 12 | Supply and fixingin repair of Air Filter,type4,PV PCS Cabinet Part No-PE-3AZG0310P001 |
| 13 | Supply and fixing in repair of INV Air Filter Part No-PE-3AZG0846P001 |
| 14 | Supply and fixing in repair of FLT-Air Filter Part No-PE-3AZH0415P001 |
| 15 | Supply and fixing in repair of PV/NPE Surge Protector DS50PV 1000G/GPE/51,PV-15KA,Ucpv-1200Vdc |
| 16 | Supply and fixing in repair of AC Surge Protector DS40-230,Uc-255Vac,20KA |
| 17 | Supply and fixing in repair of AC Surge Protector DS40-400,Uc-440Vac,20KA |
| 18 | Supply and fix in replacement polycrystaline 320 Wp solar panel including necessary connection with existing Inverter , junction box complete all as specified and as directed. |
| 19 | Supply and fixing of 5 amp 1000v DC fuse for solar inverter including taking down complete all as specified and direcetd . |
| 20 | Supply and fixing of 15 amp 1000v DC fuse for solar scb including taking down complete all as specified and direcetd . |
| 21 | Supply & installation of Cable jointing kit for 240 sqmm x 1 Core DC Cable including taking down complete all as specified and direcetd . |
| 22 | Supply & installation of MC4 male connectors with suitable lugs for 4 Sqmm Cable including taking down complete all as specified and direcetd complete all as specified and directed. |
| 23 | Supply & installation of MC4 female connectors with suitable lugs for 4 Sqmm Cable including taking down complete all as specified and direcetd complete all as specified and directed. |
| 24 | Supply & Laying of copper DC String cable of 1C x 4 Sqmm Solar grade, UV resistant 1.5 kV DC Cables confirming to IEC IEC 60754-1 & IEC 60754-2, IEC 60332-1, IEC 60332-3-24., IEC 61034. Temperature range -40 to +900 C complete including taking down complete all as specified and direcetd . |
| 25 | Supply & Laying of Main DC Cable of 1Cx240 Sqmm Aluminium, armoured Cable confirming to EN 50618 including taking down complete all as specified and direcetd .. |
| 26 | Supply & Laying of 50mm (6kg,PE63)HDPE PIPE complete all as specified and directed including taking down complete all as specified and direcetd . |
| 27 | M&L wet cleaning of solar modules in solar power plant area, cleaning of the solar power plant area, chemical cleaning of solar modules, within the fenced premises by cutting and removing bushes, grass, and unwanted vegetation to prevent shading and obstruction of solar panels. The collected waste shall be disposed of in a designated low-lying area outside the plant, ensuring no on-site burning. The contractor shall use manual or mechanical tools and ensure safety compliance for workers. Cleaning shall be carried out as directed by the Engineer-in-Charge, including clearing pathways and drainage channels to maintain site accessibility. Note:- (i) All necessary manpower, tools, and disposal arrangements shall be the contractor’s responsibility. (ii) Work must be executed during daylight hours, avoiding any interference with solar operations.(iii) Any damage caused during execution shall be repaired at the contractor’s expense.(iv) Measurement and payment shall be based on the cleaned area, approved by the Engineer-in-Charge. (v) The Engineer-in-Charge shall monitor the work and has the authority to reject unsatisfactory execution, with completion required within the stipulated timeline per cycle.vi) The contract shall be responsible for overall cleaning of the solat modules in case of any VIP or VVIP visit irrespective of the periodicty mentioned here in the item all as directed by engineer in charge. Nothing extra to paid to the contractor in this regard. |
| 28 | Excavation in trenches not exceeding 1.5 mtr wide and not exceeding 1.5 mtr deep for taking out/laying of HT/ LT under ground cable and getting out in the following type of earth stata complete all as specified and as directed:- |
| 29 | Soft soil |
| 30 | Hard soil |
| 31 | Disintegrated rock |
| 32 | Returning, filling in including spreading, levelling, watering and well ramming in layers not exceeding 25cm in soils complete all as specified and directed. |
| 33 | Removing surplus excavated soil to a distance not exceeding 50m depositing where directed at a level not exceeding 1.5m above the starting point complete all as specified and directed. |
| 34 | Supply and fixing in replacement, connect, testing and commissioning of LT underground cable XLPE insulated, armoured heavy duty electric cable with aluminium multi stranded aluminium conductor heavy duty 1100 Volts grade in trenches/on wall/poles laid in ducts/inside protection pipe of the following sizes including cable glands, lugs and suitable size of MS saddle clips (where ever cable laid in ceilings/walls without cable duct) all as directed by the Engr-in-Charge for the following :- |
| 35 | 16 Sq mm 4 core |
| 36 | 10 Sq mm 4 core |
| 37 | Supply and Laying DWC HDPE pipe of outer Dia of 40mm and inner Dia 32mm polyethylene (PE) with smooth internal and profiled external surface for non-pressure for underground cable including bends complete all as specified and directed. |
| 38 | Relaying old serviceable cable any size and type obtained from taking down cable above. Please Enable Macros to View BoQ information |
| 39 | Relaying old serviceable cable any size and type obtained from taking down cable above. Please Enable Macros to View BoQ information |
