COMPLETION OF BALANCE WORK AND RECTIFICATION OF DEFECTS FOR PROVISION OF 1.5 MW SOLAR ENERGY PROJECT AT JABALPUR

Amount

SCHEDULE "A" : (PHASE -I)

Item No 01:- Supply and fix in repair of ILC151GSM of SCADA system all as required and directed. Make : Trintity Touch

Item No 2 :- Supply, installation and fix in repair of Lightening Arresters Metal oxide type, Station Class with all fittings and fixing arrengements suitable to 33000 volts grade having discharge capacity 30 KV / 10 KA with and including lightening / surge counter and cable of suitable size and core from lightening arrestor to lightening counter including connecting with earthing complete all as specified and directed.

Item No 3 :- Supply and fixed in repair (including testing) of solar Photovaltaic Modules poly Crystalline with high effciency Solar Cells for consistent high quality output, Electroluminescence (EL) tested for micro cracks, salt mist corrosion resistance, ammonia resistance, PID resistance. Maximum Power at STC (Pmax) : 320wp (-0 to + 3%) Open circuit Voltage (Voc) : 45.34V Voltage at maximum power (Vmp): 36.8V Short Circuit current (Isc):9.26A Current at maximum power (imp) 8.69A Maximum Module Effciency (%) : 16.46 Operating Temperature: - 40℃ To + 85℃ Maximum System Voltage: 1000VDC Maximum series fuse rating; 15A Solar cells - poly-Crystallime 156mm X 156mm cells per module: 72 (12x6) Dimension (maximum): 1961x991x40 Front glass: 3.2 mm tempered Frame: Anodized aluminum frame (double walled) Junction Box: IP65 rated Output cable: 4.0mm 2 asymmetrical lengths (-) 1250mm & (+) 1000mm & with MC4 connecters.

Certification: Modules should be approved as per the requirement of IEC 61215: 2005ED2 for design & IEC 61730 (safety class I & II) CE, IEC 61701 (Salt mist. ) Superior reliability with IP65 protection in all junction boxes with bypass Diodes as per EN50548:2011+A1 standard for 35W & above, modules with a system voltage of 1000 V cells protection by high tranmittance low-iron fully tempered glass with anti-reflective coating to improve light transmission & a layer of tedlar & EVA to laminated (Protects from environmental damage) Anodized Aluminium frame with screw less frame for high mechanical strength to protect the laminate & provide base for mounting structure. IP67 rated MC4 compatible prewired connectors. Performance Warranty: Linear power warranty for 25 years with 2.5 % for 1st year degradation & 0.67% from year 2 to year 25. Note: (i) Inter connecting PV module cable & connectors, Earth work, civil works will be measured & paid separately. Make: Vikr5am Solar

Supply, Installation, Testing unloading, storing & commissioning Solar Photovoltaic Modules poly Crystalline with high effciency solar cells for consistent high quality output, electrolumine scence (EL) tested for micro cracks, salt mist corrosion resistance ammonia resistance, PID resistance. Maximum Power at STC (Pmax): 320wp (-0 to + 3%) Open circuit Voltage (Voc) : 45.34V Voltage at miximum power (Vmp): 36.8V Short Circuit current (Isc): 9.26A Current at maximum power (Imp) 8.69A Maqximum Module efficiency (%): 16.46 Operating Temperature:-40℃ To +85℃ Maximum System Voltage: 1000VDC

Maximum series fuse rating: 15A solar cells - Poly-crystalling 156mmX156mm Cells per module: 72 (12x6) Dimension (maximum) : 1961x991x40 front glass: 3.2 mm tempered frame: anodized aluminum frame (double walled) Junction Box: IP65 rated Output cable: 4.0 mm2 asymmetrical lengths(-) 1250 mm & (+) 1000mm & with MC4 connecters. Certification: Modules should be approved as per the requirement of IEC 61215: 2005ED2 for design & IEC 61730 (safety class I&II) CE, IEC 61701 (Salt mist.) Superior reliability with IP65 protection in all junction boxes with bypass Diodes as per EN50548:2011+A1 standard for 35W & above, modules with a system voltage of 1000V cells protection by high transmittanc low-iron fully tempered glass with anti-reflective coating to improve light transmission & a layer of tedlar & EVA to laminated (Protects from environmental damage) Anodized Aluminium frame with screw less frame for high mechanical strength to protect the laminate & provide base for mounting structure. IP67 rated MC4 compatible prewired connectors. Performance Warranty: Linear power warranty for 25 years with 2.5 % for 1st year degradation & Note:1) Inter connecting PV module cable & connectors, Earth work, civil works will be measured & paid separately. make: Vikram solar

Item No 04 : Supply & Fix in repair including testing and commissioning of 20 Watt LED stand alone Solar Street Lighting system (excluding poles) suitable for outdoor application consisting of necessary control cables charge controller, Battery 120AH Tubular, connecting wires, street light luminaires 20W LED, Die cast aluminium frame with heat resistant toughened clear glass protection including all other necessary work not specified above but required at site for proper and efficient functioning of solar street lighting system all as specified and directed at site Cat No. SSLSZ24W of shakti or equivalent of Tata Solar BP/Cromton/Birla Power/Osram/ Wipro/Philips/GE. Technical Features for solar Lighting System (i) Automatic dusk to dawn operation (ii) Automatic/Manual Power saving mode where in light intensity reduces to approx. 50% after 4/5 hours of operation. (iii) Microprocessor based charge controller along with Battery 12V, 120AH, Polymer control box(Sintex, gautom or equivalent) and cables.

(iv) Battery should be of make Exide/Amco/Aron and battery life should not be less than 60 months. (v) LED street Light Luminaries should be of 20 Watt with Led efficacy>130 Lumens/Watt (life of LED 50000Hrs) (vi) Protection -All basis protection includes against deep discharge and battery, overcharge, teminal

Item No 05 : Supply and fix in repair of DC Fuse of suitable capacity for inverter 500 KW of nominal output voltage rating 380 V AC & nominal AC current not less than 1080 A all as required & directed.

Item No 06 : Supply and fix in repair of surveillance system with HD Night vision outdoor type Bullet Cameras compatible with existing 16 channel DVR MAKE:HICKVISION

Item No 07 : Making proper alignment of mounting structure of solar panels so as to make proper orientation for solar modules (Total 60 Nos), including all fittings as required at siteall as per requirement at site & directed by GE. Note: Quoted rate shall be deemed to be included M&L for all nut, bolt and other fitting & fixtunes required at site and as directed by GE.

Item No 08 : Identifying, locating and rectification of fault in electric supply for lighting of signboard on main entrance and restoring illumination of signboard all as per required & directed.

SCHEDULE "A" : (PHASE -II) (Manning Operation of Solar Plant)

Item No 01 : Annual comprehensive Operational and Maintenance of 1.5 MW Solar power plant including washing /cleaning of solar PV module periodically as per pre planned schedule, Checking electrical parameter of the installed power plant and any other job other than indicated jobs would be covered under warranty of solar plant installed all as specified and directed by Engineer-in-Charge for smooth and efficient performance of Solar Plant to achieve desired condition through out the currency of contract. (a) Engineer ( Minimum Diploma Holder)having passed "solarmitra" programme by MNRE - 01 No and Trained Electrician - 01 No with semiskilled helper- 01 No in first shift attending /monitoring the breakdown and preventive maintenance (b) Skilled labour in second shift for cleaning the PV module and upkeep the installation - 02 Nos. (c) Electrician for third shift complete all as specified and directed by the Engineer-In-Charge - 01 Nos Note : (i)The Engineer must have Diploma certificate in Electrical and Electronics , the electrician must have ITI certificate in Electrical and having experience in operation and maintenanace of Solar Power Plant , familiary with SCADA operating system weathering monitoring system , HT/LT Installation and Security and safety of whole plant

(ii) All State /Central Govt statutory labour laws shall be maintained by the contractor accordingly (iii) All liabilties related to labour laws shall be borne by the Contractor (iv) Comprehensive maintenance contract shall commence from the next day after date of completion SCOPE Of WORK SOLAR PANELS (a) Fortnightly Cleaning of solar panels with water , (b) Checking for Shadowing due to tree branches overgrown into the space of modules and trimming of such branches including removal from site. (c) Quarterly checking for loose structural nuts and bolts and retightening including necessary fittings required for same. (d) Tightening of cable termination at junction box (e) Weekly measurement of string current to be undertaken to identfy faulty strings. In case of faulty strings, MC4 connectors/ fuse at junction box to be checked for failure and to be replaced accordingly as directed by GE (Rate of material shall deemed to be included in quoted rate) (f) Precaution to be taken to avoid damage of solar modules. Damaged solar modules to be replaced immediately at own cast.

INVERTERS Preventive Maintenance (a) Monitoring of Inverter wake up in the Morning (b) Cleaning of Inverters regularly against dust deposition (c) Cleaning of air filters (d) Periodic Measuremnts of voltage /current at critical locations (as per OEM instruction) for timely identification of abnormality (e) Check for any loose connection at the terminals , If so retigten them immediately all as directed by Engr-in-charge. BATTERIES (a) For Lead Acid battery , check the specific gravity and if dipped below the prescribed mark , distilled water to be added to the battery's electrolyte , till the mark is maintained again. (Rate of distilled water shall deemed to be included in quoted rate)

WEATHER STATION (a) Pyranometer's Dome need to be cleaned on regular basis (b) Desiccant to be replaced periodically as per desiccant color identification (Rate of material shall be deemed to be included in quoted rate) (c ) Cleaning of wind and humidity measuring instruments HV EQUIPMENTS (a) HT Panels and breakers should be in a very healthy state Check and confirm that all breaker trip protections are in circuit. (b) Power transformer oil to be checked periodically SPARE MANAGEMENT Critical spares to be to be indentified in consultaion with OEM and need to be maintained at plant (a) In case of modules spares required are MC4 connectors, junction box fuses, 10 modules minimum if kept in spare , will ensure timely replacement of damaged modules. (b) In case of inverters required spares are IGBTs, DC capacitors , PDC cards etc (c) In Order to facilities a rapid response , a suitably stocked spares invetory essential Adequate supplies of the followings components should be held: Mouting structure pieces/ Spare parts of String Combiner box like Fuses etc /DC and AC cableing compnets/Communication equipments, Consultaion with manufaturese to detail the spare parts Inventory based upon estimated component life times and failures rates is recommended

MAINTENANCE ACTIVITIES RELATED WITH SAFETY (a) Earth Resistance Measurement : Earth resistance of earthing electrodes to be mesured periodically i.e. measurement in connected mode on monthly basis and in disconnected mode on quarterly basis . Acceptable value of earth resistance for value of earth resistance for solar array is than 2 ohms. Digital earth resistance tester of reputed make to be used for measurement. (b) Earthing continuity in PV module structure : Quartly visual check of GI wires and to check electrical continuity using multimeter between module structure to be undertaken (c ) Regular checking of fire extinguishers ( weight & pressure measurement ) to be undertaken and as per need timely refilling of fire extinguishers to be ensured (d) Availability of safety gadget like hand gloves, safety helmet. First aid box etc. (e) Vegitaion control and ground keeping are important scheduled tasks for solar PV Plants , since there is a strong likelihood for vegitation (long grass, trees, or shrubs) to shade modules . The ground keeping can also reduce the risk of soiling (from leaves polen or dust) on the module. Dense vegitation becomes a resting place for reptiles like snakes and lizards.

Following tools & Measurement Instrument to be maintained at plant (a) Tools Required for Operation and Maintenance (i) Digital Multimeters -02 Nos , Milimeters Voltage measurement 1000VAC/DC Current measurement 10AAC/DC CAT-II , (ii) Earth Megger -3/4Pin digital (iii) Digital Clamp Meter for Both AC&DC Monitoring (iv) Electrical tools Kit with selcted tools (v) Washing pumps with Mop and cleaning kits. RECORDS TO BE MAINTAINED For analysisi purpose following records can be maintained at plant level (a) Generation On & Off time (b) Energy Generation (c ) Fault details : Type of fault , time of faults & its duration (d) Details of O&M activity undertaken OTHERS (a) Half yearly functional Checks of Protection circuits and Switchgear. (b) Checking for loose structural Nuts and bolts and Cable terminations between PV modules PV arrays Line accessories , transformers and associated switch gears on the HT side etc. Retightening connection and repalcing cables/MC4 connectors if necessary . (c) The repair/replacement works shall be completed within 48 hours from the time of reporting the fault . (d) BLANK (e) A half yearly performance report of the plant inclusive of energy generation data shall be provided as per approved format. (Format shall be provided by GE) (v) Please Note that It is the sole responsibility of contractor to disburse minimum fair wages to laborers according to increased rate, if any, during contract period and this facts shall deem to be included in the quoted rates and nothing extra is admissible on this account.

Item No : 02 : Ditto all as per item No 01 above after completion of 1st Year

Item No : 03 : Ditto all as per item No 01 above after completion of 2nd Year

Item No : 04 : Ditto all as per item No 01 above after completion of 3rd Year

SCHEDULE "A" (Schedule of credit) Schedule of Credit Rs 19741.75 (Minus) inserted by the MES. (Note : Credit amount shall be deducted manually to arrive net bid amount)

ASHOKA ASSOCIATES

shri krishna traders

Nexus Infratech