SPECIAL REPAIR TO SOLAR POWER PLANT AND MANNING OPERATION AND MAINT FOR SOLAR POWER PLANT AT AIR FORCE STATION JAISALMER

Repair/ major overhauling of Grid connected/off load type 250 KWp capacity solar PV plant ground mounted after disconnecting of all strings, testing of solar panel for its serviceability and removal of damaged or faulty solar modules from their existing mounting structures in solar power plant as part of the restoration process, testing of AC string, testing of DC strings, connector, connecting links, refixing of serviceable string, and reconnecting and assembling of solar system complete all as directed at site as per conditions prevailing at Air force station Jaisalmer (Rajasthan) maximum tempreture rise upto 50 degree celscius to considered for the following compnents/Sub System and meeting the specification at site as per eixsting 250 KWp SPV plant at Air force Station Jaisalmer complete all as specified and directed by Engg-in-charge.

M&L for replacement of unserviceable solar module panel, 250 Wp, Model Eldora VSP.60.250.03 complete all as per existing and Re-design (to be vetted by Engr-in-charge.), supply, installation, testing and commissioning of Solar PV Modules which having comptable match with existing solar pv plant system :- Each Module consist of min 250 wp, poly- crystalline silicon with positive tolerance of 3-5% & no negative tolerance is allowed,with minimum 1100 mm cable length. Module efficincy >17%, fill factor>0.7, module will be free of PID, module connector suitable for MC4/Bizlink and jucntion box with minmimum IP 67 rating. Module NOCT (Nominal operating cell temperature) will be 45±3°C with temperature coefficient of power <0.4%/°C, and will be suitable for operation from -20°C to +60°C ambient temperature.

Modules will be combined to make array & string of panels to maximize power output along with supply and installation of necessary accessories like fuses, etc The PV modules used must qualify to the latest edition of IEC PV module qualification test or equivalent BIS standards. PV modules must be tested and approved by one of the IEC authorized test centers.Module Warranty The manufacturer should provide warranty the Solar Module(s) to be free from the defects and/or failures specified below for a period not less than twenty five (25) years from the date of commissioning.All photovoltaic modules should carry a linear performance warranty from second year.

The solar PV modules offered should not degrade more than 2.5% for first year and not more than 0.7% from second year of its rated power. Guranteed electrical degradation of power generated not exceeding 20% of the minimum rated power over the 25 year period and not more than 10% after ten years period of the full rated original output. Warranty against manufacturing defect, raw material, workmanship, inspection and testing procedures shall be 5 years from the date of commissioning .

The PV Modules should comply following IEC:- IEC 61215/BIS 14286, IEC 61646 / Equivalent BIS , IEC 62108 / Equivalent BIS , IEC 61730(Part I & II) / Equivalent BIS , IEC 61701 / BIS 61701 , IEC 600068-2-68.

(i) Each PV module & solar cells should be manufactured indigenously i.e.Indian made & should be BIS approved & IEC certified. The bidder shall produce all the Test ertificate for each panel from manufacturer & GE shall verify certificates from the issuing agency. The contractor shall procure & install module and cells of the Indian manufacturer the department reserve the right to inspect the manufacturing facility of OEM during the process of manufacturing of cells and modules. (ii) It shall perform satisfactorily in relative humidity 85 ± 5% with temperature -10 °C to +85°C (Cell) and should withstand wind 150 Km/Hr on the surface of the panel.

(iii) PV modules must be warranted for their output peak watt capacity, which shall not be less than 90% of the initial value at the end of 10 years and 80% of the initial value at the end of 25 years. (iv)The contractor shall submit the warranty to GE on non-judicial stamp paper of the appropriate value for the enforceable warranty of SPV modules. For the purpose of giving this warranty, the contractor may enter into suitable MOU with the indigenous manufacturer. GE shall verify the warranty and the date of its validity & shall convey its acceptance in writing.

(iv) Each module shall have RFID tag encapsulated with Solar Cells bearing the following details. RFID reader will be provided by contractor. ● Modules shall be deployed with RFID tag inside lamination as per MNRE guidelines ● Name of manufacturer of PV module ● Name of manufacturer of solar Cell ● Month and year of manufacture (Separated for cell & module) ● Country of origin (separately for solar cell & module) ● Peak wattage, Im, Vm and fill factor of the module. ● Date of year of obtaining IEC PV module qualification certificate including the test lab issuing IEC certificate. ● Unique Serial No and model No of Module. ● I-V curve of Module

(v) Provision of earthing & earth strip/cables etc. for earth for solar PV module/Array etc. as per latest IS/MNRE norms to be provided and the cost of the same is to be included in this item and no extra amount will be paid to the contractor on this account. (vi) Every module must have by pass diode of suitable capacity. (vii) PV module must conform to latest edition of IEC 61215/IS14286. In addition, the modules must conform to IEC 61730 Part-I & II for construction and testing & safety qualification & conforming to IEC 62804 PID. (viii) It shall also in conformity of latst minimum technical specifications issued by MNRE from time to time.Module should be of MNRE approved Companies/agencies in catagory/rating ''SA-1A''