PROVISION OF ROOF TOP SOLAR PLANTS TOTALLING 60 KW AT PATIALA UNDER GE(S) PATIALA AND 20 KW AT DAPPAR UNDER AGE(I) DAPPAR

Amount

Designing, surveying of site, Installing, testing and commisioning of ON GRID roof top solar plant of following capacities : (a) 25 KWp - 01 Nos, (b) 20 KWp - 01 Nos, (c) 15 KWp - 01 Nos totalling 60 kWp (AC) including civil / electrical infrastructure of size as per designer's recommendation for housing inverter, electrical / electronic equipment associated with solar plant as per latest IS at Nabha under GE(S) Patiala comprising of following :- Note :- (i) MINIMUM TECHNICAL REQUIREMENTS/STANDARDS FOR SPV SYSTEMS/ PLANTS TO BE DEPLOYED AS PER MINISTRY OF NEW AND RENEWABLE ENERGY ARE MANDATORILY TO BE COMPLIED WITH IN THE DESIGN. SOME OF THESE ARE NARRATED HERE-IN-AFTER. FOR OTHER DETAILS WEBSITE/PUBLICATIONS OF MNRE MAY BE REFERRED.

1.1 SOLAR PV MODULES: (A) IS / Relevant Codes :- The PV modules must confirm to the latest edition of IEC/ equivalent BIS Standards for for PV module design qualification and type approval: (i) Monocrystalline Half-Cut TOPCon N-Type Bifacial modules: IEC 61215, IEC TS 60904-1-2, IEC 62804-1 / IS14286 (ii) In addition, the modules must confirm to IEC 61730 Part 1-requirements for construction & Part 2- requirements for testing for safety qualification or Equivalent IS PV modules corrosive atmosphere : IEC- 61701 / BIS 61701 and PV modules in sandy environment : IEC-600068-2-68 (B) Specifications of PV module : (i) Silicon Crystalline SPV cells shall be used in the Solar Photovoltaic module. (ii) Minimum Peak power Rating 545 W (DCR) (iii) Minimum Module efficiency - 21.13 % (iv) Fill Factor - 0.7 (v) Performance ratio - greater than 75% (vi) Transmittance - Above 90% (vii) Bending - Less than 0.3% (viii) Minimum current Imp – 12.98 A (ix) Minimum voltage Vmp – 42.01 V (x) Minimum short circuit current Isc – 13.59 A (xi) Minimum open circuit Voltage Voc – 49.91 V (xii) It shall be made of high transitivity glass and front surface shall give high encapsulation gain. (xiii) Standard size and weight as per NISE (xiv) Mc4 connector as per requrement

(C) RF identification tag (RFID) : Each PV module must use a RF identification tag (RFID), which must contain the following information: (i) Name of the manufacturer of PV Module (ii) Name of the Manufacturer of Solar cells (iii) Month and year of the manufacture (separately for solar cells and module) (iv) Country of origin (separately for solar cells and module)- Made in India only (DCR type) (v) I-V curve for the module (vi) Peak Wattage, Im, Vm and FF for the module (vii) Unique Serial No and Model No of the module (viii) Date and year of obtaining IEC PV module qualification certificate (ix) Other relevant information on traceability of solar cells and module as per ISO 9000 series. (x) Mono Bi- facial (Top CON N type) low iron tempered glass 3.2 mm thick, made of anodized aluminum alloy (6063,temper T5, silver colour), junction box confirming to IP 68. NOTE: RFID shall be mandatorily place inside the module laminate.

(D) Junction boxes : Supply and fix junction boxes of suitable nos (as per design)/OEM recommendations inputs and suitably rated output having separate DC fuses for both (+) & (-) on input and isolator on output terminal for each string. Each junction box must have a spare input terminal. The junction boxes shall be dust and vermin proof and water proof of FRP/Thermo plast with IP 65 protection in compliance with IEC 62208 and shall be UV resistant, fire retardant. It shall hve surge protection and maintenance free earthing as per relevant standard. The junction box shall have suitable arrangement of the following:- (a) The strings are required to be connected to the copper bus bar through individual fuses. (b) Provide arrangement for disconnection (DC dis-connection switch) fo each SJB/SCB. (c) Provide a test point for each sub group for quick fault location and to provide group array isolation. (d) Each array box shall be of relevant IEC standard. (e) Each array junction box shall have suitable bypass & reverse blocking diodes for maximum DC blocking voltage of 1000V with suitable arrangement of its connection. Reverse blocking and bypass diodes shall work for extreme temperatures and shall have efficiency of 99.98% confirmed by appropriate IEC standard. Make: As per recommendation of OEM for SVP modules & approved by Accepting officer.

(E) General requirements for PV module: (i) PV modules must qualify (enclose test report/ certificate from IEC /NABL accredited laboratory) as per relevant IEC standard Additionally the performance of PV modules at STC conditions must be tested and approved by one of the IEC/NABL Accredited Testing Laboratories. Qualification certificate from IEC/NABL accredited laboratory as per relevant standard for any of the higher wattage regular module should be accompanied with the STC report/ certificate. For details of Test Labs refer Ministry of New And Renewable Energy website. The report submitted should not be older than 5 years. (ii) PV modules used in solar power plants/ systems must be warranted for their output peak watt capacity, which should not be less than 90% at the end of 10 years and 80% at the end of 25 years. If not then the SPV will replace immediately without any cost. (iii) All materials used shall have a proven history of reliability and stable operation in external application. It shall perform satisfactorily in relative humidity up to 85% + 5% with temperatures between (-) 10o C and (+) 85o C and shall withstand gust up to 200km/hour on the surface of the panel. Each and every SPV module shall be checked for conformity with relevant standard and no negative tolerance shall be accepted. (iv) The interconnected cells shall be laminated in vacuum to withstand adverse environmental conditions. (v) The module frame is made of corrosion resistant materials,having aluminum anodized finish with suitable min thickness as per designer/OEM.

(vi) The minimum clearance between the lower edge of the modules and the roof level shall be 600 mm . All the panels shall have provision to tilt angle of the latitude as per the proposed location. 1.2 GRID TIED INVERTER : Design, supply, installation, testing & commissioning Solar Grid Connected multistring type inverter of minimum of suitable capacity in suitable Nos as per OEM/design(Total capacity of inverters shall not be less than 20 KW), invertor shall designed to give maximum yield for installed capacity , three phase, AC operated complete with following features complete all as per specified and directed following data / details. Make: As approved by MNRE and BIS certified and as directed by GE. (a) General Specifications : (i) BIS / IEC Certified (ii) Built -in DC Switch (iii) LCD /LED Display

(iv) Communication : Network logistics and string system (v) Warranty - 10 Yrs (vi) Safety Standards (vii) BIS Certified (viii) MPPT trackers (b) INPUT DATA DC : (i) Max recommended DC power should be 50% more than the inverter capacity (ii) Max DC volts - 1100 V, start up voltage - 200 V (iv) MPPT range - 140 V - 1000 V (v) Rated input voltage - 625 V (c) OUT PUT DATA AC: (i) Nominal Output Voltage: 415 V (ii) Output Voltage range: 415 V + 20% (iii) Output Frequency : 50 Hz + 3 Hz (iv) Efficiency : > 98 % (v) Rated power AC - AS per plant capacity (vi) Power factor - unity as default and adjustable + 0.8 (vii) Max output current As per plant capacity (d) Protection (i) Anti Islanding (ii) DC Rev Polarity (iii) Over Temperature (iv) Leakage Current (v) Over Voltage (vi) Over Current (vii) Earth Fault Current (viii) Surge Protection Note : As per recommendation of OEM and approved by Accepting Officer

1.3 AC DB : Outdoor type powder coated weather proof, vermin proof made out of 3.15mm thick CRCA sheet front openable door, locking arrangement, including suitable working space in AC DB busbar chamber, cable box chamber including aluminum busbar of designed capacity / bus raisers suitable capacities with PVC sleeves/ tape RYB colour for phases identification, including all bus raiser shall be extend upto cable box chamber fixed on fibre insulation for RYB & neutral to all out going cable, confirming to IP-65 and fixed on wall / floor with control wiring with comprising cable gland brass, copper lugs etc. and comprising the following as per design :- (i) MCCB 4P Adjustable Thermal and magnetic for outgoing (ii) MCCB 4P Adjustable Thermal and magnetic for incoming (iii) AC type 2 Surge Protection Device (iv) Spreader Terminals as per requirement (v) Multifunction meter (vi) CT of ratio 630/5 Amps (vii) Aluminum busbar chamber 1.4 DC DB :- Outdoor type powder coated, weather proof, dust proof, vermin proof made out of 3.15mm thick CRCA sheet front openable door, looking arrangement, including suitable working space in DC DB busbar chamber, cable box chamber including copper bus raisers with PVC sleeves/ tape RYB colours for phase identification, including all bus raiser shall be extend upto cable box chamber, confirming to IP-65 and fixed on wall /floor with control wiring with comprising cable gland brass, copper lugs etc.

(i) MCCB as per requrement (ii) Fuse as per requrement (iii) Aluminum busbar chamber 1.5 CABLES & WIRES :- All cables and wires required to make the system fully functional with adequate loop to be provided. The laying of cables will be as per standard norms to include excavation in trenches, sand cushioning and brick protection cable cover/ cable tray where ever required to lay the cables. The laying of wires will be as per standards including mild steel conduct etc. Specifications for DC cable :- (a) Conductor material : Annealed tinned copper conductor (b) Max PV system voltage (D.C) : 1800 volts (c) Ambient temperature range : - 40 °C to + 80 °C (d) Max conductor Temperature at termination of short circuit : 250 °C (e) DC cable shall be woven double twisted, hexagonal shaped Zn + PVC coated wire mesh type 80 x 100mm of wire 3.70mm dia as per IS 16014. (f) Cable Batch No/Drum No and code & size make shall be printed /embossed at every one meter. (g) Type of conductor : As per class 5 according to EN 60228/IEC 60228 (h) Insulation material : Chemically cross linked XLPO (j) Type of insulation : According IEC 60502-1, EN-50363-1 (k) Nominal thickness of insulation : 0.80mm

(l) The cable should be compatiable upto the life of solar PV pannels i.e. 25 years (m) Suitable size cable tray for laying of cable AC/ DC will be included in overall cost quoted. 1.6 MODULE MOUNTING STRUCTURE :- (a) Suitable mounting structure Fixed type without tracking component for SPV module shall be provided as per design criteria considering line load, dead load, wind load ,as per the location and as per the guidelines. (b) The base columns shall be made with reinforced cement concrete as per design based on site related data. (c) The frames and leg assemblies of the array structures shall be made of MS hot dip galvanized. Minimum thickness of galvanization should be at least 80 microns. (d) All fasteners shall be of Stainless steel – SS 304, Nut & bolts, supporting structure including module mounting structures shall have to be adequately protected against climatic condition. (e) The mounting structure suitable for PV module should with stand minimum horizontal wind speed of 200 Km/Hr (f) The structure should be designed to allow easy replacement of any module and shall be in line with site requirement (g) Two number of anti theft fastner of stainless steel on two diagonally opposite corner of each module shall be provided.

1.7 BOS (BALANCE OF SYSTEM): Items / components of the SPV power plants/ systems deployed under this project must confirm to the latest edition of IEC or equivalent BIS Standards/ MNRE specifications and as specified of MINIMAL TECHNICAL REQUIREMENTS / STANDARDS FOR SPV SYSYTEMS / PLANTS TO BE DEPLOYED as specified UNDER THE PROGRAMMES OF MINISTRY OF NEW AND RENEWABLE ENERGY available on MNRE website. (i) Test certificates/ reports for the BOS items/ components can be from any of the NABL/ IEC Accredited testing Laboratories or MNRE approved test centers. The list of MNRE approved test centers will be reviewed and updated from time to time. The list as applicable as on last date of receipt of tender shall be treated as applicable for this tender. (ii) All items to integrate all the small and large equipment's requirement for the commissioning of the Solar Power Plant shall be included. All the equipment's including cabling and the installation methodology are followed as per the installation guidelines and manuals by the Panel & Inverter manufactures. 1.8 Earthing : Maintenance free chemical earthing comprising of suitable Nos of earthing with specifications given: (a) Copper earth rod of min size 17.2mm dia x 3 mtr long, ISI marked and IED 62561-2:2018 certified. (b) Fixing of stranded copper wire of 6 sqmm or aluminium strip of min size 25mm x 3mm, with connections to the earth electrode using exothermic welding.

(c) Use of excel electrofill plus compound (IEC 62561 - 7: 2018 certified) mixed with soil having adequate moisture retention copability to a depth of approx one metre from the bottom the pit. (Approx-40 kg). (d) Addition of carbon based RoHS & TCLP- certified electrofill compound (high conductivity), mixed with soil and water to form a slurry and filled upto 35 percent of the pit depth above the base compund layer (Approx-40 kg). (e) Add gravel at the top of the portion for easy passage of water and removal of air bubbles at the time of filling of electrofill plus excel compound is necessary for easy dissipation of fault current. (f) Fixing of PVC earth pit chamber of size 24 x 24 cm with M8 SS 304- grade nut and bolts all as specified. (g) FRP earthing display board 254x 380mm made out of plastic material showing information related to type of earthing, earthing result, due data of plastic hollow pipe of 20mm dia. Note- Cost of earthing and excavation incl in rate quoted. (h) Earthing system including earth strips/ cables etc for earthing of 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 overall cost no extra amount will be found to the contractor on this account. (j) All the equipments including PV modules, Module mounting structure (MMS), Inverters, LA and string monitoring unit structure in PV array field shall be connected to common earthing system. (k) Each PV module frame shall be earthed using copper wire suitable size as per design. (l) ACDB, DCDB panels shall be provided with suitable nos of earthings (as per Indian electricity rules) to achieve desirable earth resistance. (m) Separate earthing shall be provided for each solar roof top plant and as per recommendation of OEM & approved by Accepting Officer.

1.9 Lightening Protection: Lightining Arrestor of the required number of suitable Early Streamer Emission (ESE) lightning arrestors in the amay field. Lightning arrestors/surge arrestors shall conform to IEC 60099-4 or IS:3070 except to the extent modified in the specifications. Arrestors shall be of hermetically sealed units, self-supporting construction, suitable for mounting on lattice type support with the following:- (i) The air terminal should be capable of racking the lightning stroke 60 micro seconds earlier as compare to passive lightning rod. (ii) The air terminal is Early Streamer Emission (ESE) type which shall be fixed at the top of a GI elevation pole with base so as be at least 2 meters above the structure to be protection. Its height above top of solar pannel would be dependent on the level of protected and the protection radius required (iii) The air terminal should be working on the principle of early streamer emission using non-radioactve technology, needing no external power source. (iv) The air terminal is stainless steel and it has qualified diameter to resist high values of lightining currents (v) Roof connecting pipe should be capable of withstand in lightning strikes having dimension/dia as per design. (vi) The lightening protection system shall also include lightening couductor as well as down conductor of PVC insulated cable of suitable cross section and length for connection with earthing electrode. (vii) This shall be accompanied by vertical installation of required earth electrode of copper and backfill of standard chemical used in maintenance free earthing to achieve the desired result of less than 1 ohm. Note: LA shall be provided for each solar roof top plant.

1.10 Weather Monitoring System (i) Pyranometer : The pyranometer (ISO 9060 classification ) alongwith necessary assessories for measuring incidental solar radiation at horizontal and inclined plane of array. Specifications of the pyranometer shall be as per particular Specificaitons Clause 17.27.12 on Page No 140 :- (i) Spectral response : 0.31 to 2.8 micron, (ii) Time response (95%). Max 15 second (iii) Nonlinearity + 0.5% (iv) Temperature response : - 2% (v) Tilt error < +/- 0.5% (vi) Zero offset themal radiation +7W/Sqm (vii) Zero offset temperature change + 2 W/Sqm (viii) Operating temperature range - O °C to 80°C (ix) Non stabillity Maximum - 0.8%, (x) Resolution minimum +/-1 W/Sqm (xi) Output Analog 4.50mA (xii) Digital RS 485 The instrument shall be supplied with necessary length of cable, calibration certificate, traceability to world radiation reference (WRR) or world rediation centre shall be furnished alongwith the equipment. Note: Two Weather Monitoring System shall be provied for the whole project including pyranometer temperature sensor and anemometer as described. Make : As per recommendation of OEM & approved by Accepting Officer.

(ii) Temperature sensor : It shall include temperature sensor for ambient temperature measurement with shielding case and for module temperature measurement. The temperature sensor shall be resistance temperature deductor (RTD) /semi conductor type with measurment range suitable for site climatic conditions. The instrument shall have valid calibration certificate. Note: Temprature sensor system shall be provided for each solar roof top plant. (iii) Anemometer: It shall include 01(one) No ultrasonic wind sensor for wind speed and direction monitoring for each plant with following specification: (a) Velocity range with accuracy limit : 70 m/sec with +/-2% accuracy at @ 13 m/s, resolution 0.01 m/s (b) wind direction range with accuracy limit :0 to 360 degree (No deed band) with plus/minus 2 degree accuracy @ 12 m/s and resolution 1 degree (c) Mounting bracker: Anodised aluminium bracket to reduce corrosion all mounting bolts of SS. (d) Protection class :IP66 (e) Output : RS232 and RS485. Note: Anemometer shall be provided for each solar roof top plant. Make : As per recommendation of OEM & approved by Accepting Officer.

(x) The bidder shall carefully design and accommodate requisite numbers of the modules in the available area as per topography to achieve the rated power in his bid. (xi) The bidder shall provide the sample solar PV module electrical characteristics including current-voltage(I-V) performance curves and temperature coefficients of power, voltage and current. (xii) The bidder shall provide operation and maintenance mannual, maintenance schedule, test reports/certificates, equipment drgs and specifications after completion of work. (xiii) A separate Energy meter called Solar meter shall be provide at the cutput of each PCU/inverter to record the energy generation from Solar System. These meters should not be integrated with PCU. These are imodorectional meters to be installied at delivery point of the solar energy system to measure the Solar electricity generated. Solar energy meters shall be of accuracy class 0.5s & CT operated. CT & PT shall be utilized according to CEA metering regulation 2006 and is amendment. Display parameters of Solar meter shall be KWN export , MD in KW export, date & time, AC current and voltage and power factor (cumulative KEh will be indicated continuously by default and other parameter through push button). Solar meter should be DLMS compliant and AMR compatible with Rs 485 communication port for measurement of specified electrical parameter. Meter shall be microprocessor based conforming IEC 60687/IEC 6205211/IS 14697.

Designing, surveying of site, Installing, testing and commisioning of ON GRID roof top solar plant of capacity : (a) 20 KWp (AC)-01 NO including civil/ electrical infrastructure of size as per designer's recommendation for housing inverter, electrical / electronic equipment associated with solar plant as per latest IS at Dappar under AGE(I) Dappar comprising of following :- Note :- (i) MINIMUM TECHNICAL REQUIREMENTS/STANDARDS FOR SPV SYSTEMS/ PLANTS TO BE DEPLOYED AS PER MINISTRY OF NEW AND RENEWABLE ENERGY ARE MANDATORILY TO BE COMPLIED WITH IN THE DESIGN. SOME OF THESE ARE NARRATED HERE-IN-AFTER. FOR OTHER DETAILS WEBSITE/PUBLICATIONS OF MNRE MAY BE REFERRED.

1.1 SOLAR PV MODULES: (A) IS / Relevant Codes :- The PV modules must confirm to the latest edition of IEC/ equivalent BIS Standards for for PV module design qualification and type approval: (i) Monocrystalline Half-Cut TOPCon N-Type Bifacial modules: IEC 61215, IEC TS 60904-1-2, IEC 62804-1 / IS14286 (ii) In addition, the modules must confirm to IEC 61730 Part 1-requirements for construction & Part 2- requirements for testing for safety qualification or Equivalent IS PV modules corrosive atmosphere : IEC- 61701 / BIS 61701 and PV modules in sandy environment : IEC-600068-2-68 (B) Specifications of PV module : (i) Silicon Crystalline SPV cells shall be used in the Solar Photovoltaic module. (ii) Minimum Peak power Rating 545 W (iii) Minimum Module efficiency - 21.13 % (iv) Fill Factor - 0.7 (v) Performance ratio - greater than 75% (vi) Transmittance - Above 90% (vii) Bending - Less than 0.3% (viii) Minimum current Imp – 12.98 A (ix) Minimum voltage Vmp – 42.01 V (x) Minimum short circuit current Isc – 13.59 A (xi) Minimum open circuit Voltage Voc – 49.91 V (xii) It shall be made of high transitivity glass and front surface shall give high encapsulation gain. (xiii) Standard size and weight as per NISE (xiv) Mc4 connector as per requrement

(C) RF identification tag (RFID): Each PV module must use a RF identification tag (RFID), which must contain the following information: (i) Name of the manufacturer of PV Module (ii) Name of the Manufacturer of Solar cells (iii) Month and year of the manufacture (separately for solar cells and module) (iv) Country of origin (separately for solar cells and module)- Made in India only (DCR type) (v) I-V curve for the module (vi) Peak Wattage, Im, Vm and FF for the module (vii) Unique Serial No and Model No of the module (viii) Date and year of obtaining IEC PV module qualification certificate (ix) Other relevant information on traceability of solar cells and module as per ISO 9000 series. (x) Mono Bi- facial (Top CON N type) low iron tempered glass 3.2 mm thick, made of anodized aluminum alloy (6063,temper T5, silver colour), junction box confirming to IP 68. NOTE: RFID shall be mandatorily place inside the module laminate.

(D) Junction boxes : Supply and fix junction boxes of suitable nos (as per design)/OEM recommendations inputs and suitably rated output having separate DC fuses for both (+) & (-) on input and isolator on output terminal for each string. Each junction box must have a spare input terminal. The junctio boxes shall be dust and vermin proof and water proof of FRP/Thermo plast with IP 65 protection in compliance with IEC 62208 and shall be UV resistant, fire retardant. It shall hve surge protection and maintenance free earthing as per relevant standard. The junction box shall have suitable arrangement of the following:- (a) The strings are requird to be connected to the copper bus bar through individual fuses. (b) Provide arrangement for disconnection (DC dis-connection switch) fo each SJB/SCB. (c) Provide atest point for each sub group for quick fault location and to provide group array isolation. (d) Each array box shall be of relevant IEC standard. (e) Each array junction box shall have suitable bypass & reverse blocking diodes for maximum DC blocking voltage of 1000V with suitable arrangement of its connection. Reverse blocking and bypass diodes shall work for extreme temperatures and shall have efficiency of 99.98% confirmed by appropriate IEC standard. Make: As per OEM.

(E) General requirements for PV module: (i) PV modules must qualify (enclose test report/ certificate from IEC /NABL accredited laboratory) as per relevant IEC standard Additionally the performance of PV modules at STC conditions must be tested and approved by one of the IEC/NABL Accredited Testing Laboratories. Qualification certificate from IEC/NABL accredited laboratory as per relevant standard for any of the higher wattage regular module should be accompanied with the STC report/ certificate. For details of Test Labs refer Ministry of New And Renewable Energy website. The report submitted should not be older than 5 years. (ii) PV modules used in solar power plants/ systems must be warranted for their output peak watt capacity, which should not be less than 90% at the end of 10 years and 80% at the end of 25 years. If not then the SPV will replace immediately without any cost. (iii) All materials used shall have a proven history of reliability and stable operation in external application. It shall perform satisfactorily in relative humidity up to 85% + 5% with temperatures between (-) 10o C and (+) 85o C and shall withstand gust up to 200km/hour on the surface of the panel. Each and every SPV module shall be checked for conformity with relevant standard and no negative tolerance shall be accepted. (iv) The interconnected cells shall be laminated in vacuum to withstand adverse environmental conditions. (v) The module frame is made of corrosion resistant materials,having aluminum anodized finish with suitable min thickness as per designer/OEM.

(vi) The minimum clearance between the lower edge of the modules and the roof level shall be 600 mm . All the panels shall have provision to tilt angle of the latitude as per the proposed location. 1.2 GRID TIED INVERTER : Design, supply, installation, testing & commissioning Solar Grid Connected multistring type inverter of minimum of suitable capacity in suitable Nos as per OEM/design(Total capacity of inverters shall not be less than 20 KW), invertor shall designed to give maximum yield for installed capacity , three phase, AC operated complete with following features complete all as per specified and directed following data / details. Make: As approved by MNRE and BIS certified and as directed by GE. (a) General Specifications : (i) BIS / IEC Certified (ii) Built -in DC Switch (iii) LCD /LED Display

(iv) Communication : Network logistics and string system (v) Warranty - 10 Yrs (vi) Safety Standards (vii) BIS Certified (viii) MPPT trackers (b) INPUT DATA DC : (i) Max recommended DC power should be 50% more than the inverter capacity (ii) Max DC volts - 1100 V, start up voltage - 200 V (iv) MPPT range - 140 V - 1000 V (v) Rated input voltage - 625 V (c) OUT PUT DATA AC: (i) Nominal Output Voltage: 415 V (ii) Output Voltage range: 415 V + 20% (iii) Output Frequency : 50 Hz + 3 Hz (iv) Efficiency : > 98 % (v) Rated power AC - AS per plant capacity (vi) Power factor - unity as default and adjustable + 0.8 (vii) Max output current As per plant capacity (d) Protection (i) Anti Islanding (ii) DC Rev Polarity (iii) Over Temperature (iv) Leakage Current (v) Over Voltage (vi) Over Current (vii) Eearth Fault Current (viii) Surge Protection

1.3 AC DB : Outdoor type powder coated weather proof, vermin proof made out of CRCA sheet front openable door, locking arrangement, including suitable working space in AC DB busbar chamber, cable box chamber including aluminum busbar of designed capacity / bus raisers suitable capacities with PVC sleeves/ tape RYB colour for phases identification, including all bus raiser shall be extend upto cable box chamber fixed on fibre insulation for RYB & neutral to all out going cable, confirming to IP-65 and fixed on wall / floor with control wiring with comprising cable gland brass, copper lugs etc. and comprising the following as per design :- (i) MCCB 4P Adjustable Thermal and magnetic for outgoing (ii) MCCB 4P Adjustable Thermal and magnetic for incoming (iii) AC type 2 Surge Protection Device (iv) Spreader Terminals as per requirement (v) Multifunction meter (vi) CT of ratio 630/5 Amps (vii) Aluminum busbar chamber 1.4 DC DB :- Outdoor type powder coated, weather proof, dust proof, vermin proof made out in CRCA sheet front openable door, looking arrangement, including suitable working space in DC DB busbar chamber, cable box chamber including copper bus raisers with PVC sleeves/ tape RYB colours for phase identification, including all bus raiser shall be extend upto cable box chamber, confirming to IP-65 and fixed on wall /floor with contral wiring with comprising cable gland brass, copper lugs etc.

(i) MCCB as per requrement (ii) Fuse as per requrement (iii) Aluminum busbar chamber 1.5 CABLES & WIRES :- All cables and wires required to make the system fully functional with adequate loop to be provided. The laying of cables will be as per standard norms to include excavation in trenches, sand cushioning and brick protection cable cover/ cable tray where ever required to lay the cables. The laying of wires will be as per standards including mild steel conduct etc. Specifications for DC cable :- (a) Conductor material : Annealed tinned copper conductor (b) Max PV system voltage (D.C) : 1800 volts (c) Ambient temperature range : - 40 °C to + 80 °C (d) Max conductor Temperature at termination of short circuit : 250 °C (e) DC cable shall be woven double twisted, hexagonal shaped Zn + PVC coated wire mesh type 80 x 100mm of wire 3.70mm dia as per IS 16014. (f) Cable Batch No/Drum No and code & size make shall be printed /embossed at every one meter. (g) Type of conductor : As per class 5 according to EN 60228/IEC 60228 (h) Insulation material : Chemically cross linked XLPO (j) Type of insulation : According IEC 60502-1, EN-50363-1 (k) Nominal thickness of insulation : 0.80mm

(l) The cable should be compatiable upto the life of solar PV pannels i.e. 25 years (m) Suitable size cable tray for laying of cable AC/ DC will be included in overall cost quoted. 1.6 MODULE MOUNTING STRUCTURE :- (a) Suitable mounting structure Fixed type without tracking component for SPV module shall be provided as per design criteria considering line load, dead load, wind load ,as per the location and as per the guidelines. (b) The base columns shall be made with reinforced cement concrete as per design based on site related data. (c) The frames and leg assemblies of the array structures shall be made of MS hot dip galvanized. Minimum thickness of galvanization should be at least 80 microns. (d) All fasteners shall be of Stainless steel – SS 304, Nut & bolts, supporting structure including module mounting structures shall have to be adequately protected against climatic condition. (e) The mounting structure suitable for PV module should with stand minimum horizontal wind speed of 200 KMS/hr (f) The structure should be designed to allow easy replacement of any module and shall be in line with site requirement (g) Two number of anti theft fastner of stainless steel on two diagonally opposite corner of each module shall be provided.

1.7 BOS (BALANCE OF SYSTEM): items / components of the SPV power plants/ systems deployed under this project must confirm to the latest edition of IEC or equivalent BIS Standards/ MNRE specifications and as specified of MINIMAL TECHNICAL REQUIREMENTS / STANDARDS FOR SPV SYSYTEMS / PLANTS TO BE DEPLOYED as specified UNDER THE PROGRAMMES OF MINISTRY OF NEW AND RENEWABLE ENERGY available on MNRE website. (i) Test certificates/ reports for the BOS items/ components can be from any of the NABL/ IEC Accredited testing Laboratories or MNRE approved test centers. The list of MNRE approved test centers will be reviewed and updated from time to time. The list as applicable as on last date of receipt of tender shall be treated as applicable for this tender. (ii) All items to integrate all the small and large equipment's requirement for the commissioning of the Solar Power Plant shall be included. All the equipment's including cabling and the installation methodology are followed as per the installation guidelines and manuals by the Panel & Inverter manufactures. 1.8 Earthing : Maintenance free chemical earthing comprising of suitable Nos of earthing with specifications given: (a) Copper earth rod of min size 17.2mm dia x 3 mtr long, ISI marked and IED 62561-2:2018 certified. (b) Fixing of stranded copper wire of 6 sqmm or aluminium strip of min size 25mm x 3mm, with connections to the earth electrode using exothermic welding.

(c) Use of excel electrofill plus compound (IEC 62561 - 7: 2018 certified) mixed with soil having adequate moisture retention copability to a depth of approx one metre from the bottom the pit. (Approx-40 kg). (d) Addition of carbon based RoHS & TCLP- certified electrofill compound (high conductivity), mixed with soil and water to form a slurry and filled upto 35 percent of the pit depth above the base compund layer (Approx-40 kg). (e) Add gravel at the top of the portion for easy passage of water and removal of air bubbles at the time of filling of electrofill plus excel compound is necessary for easy dissipation of fault current. (f) Fixing of PVC earth pit chamber of size 24 x 24 cm with M8 SS 304- grade nut and bolts all as specified. (g) FRP earthing display board 254x 380mm made out of plastic material showing information related to type of earthing, earthing result, due data of plastic hollow pipe of 20mm dia. Note- Cost of earthing and excavation incl in rate quoted. (h) Earthing system including earth strips/ cables etc for earthing of 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 overall cost no extra amount will be found to the contractor on this account. (j) All the equipments including PV modules, Module mounting structure (MMS), Inverters, LA and string monitoring unit structure in PV array field shall be connected to common earthing system. (k) Each PV module frame shall be earthed using copper wire suitable size as per design.

1.9 Lightening Protection Lightining Arrestor of the required number of suitable Early Streamer Emission (ESE) lightning arrestors in the amay field. Lightning arrestors/surge arrestors shall conform to IEC 60099-4 or IS:3070 except to the extent modified in the specifications. Arrestors shall be of hermetically sealed units, self-supporting construction, suitable for mounting on lattice type support with the following:- (i) The air terminal should be capable of racking the lightning stroke 60 micro seconds earlier as compare to passive lightning rod. (ii) The air terminal is Early Streamer Emission (ESE) type which shall be fixed at the top of a GI elevation pole with base so as be at least 2 meters above the structure to be protection. Its height above top of solar pannel would be dependent on the level of protected and the protection radil required (iii) The air terminal should be working on the principle of early streamer emission using non-radioactve technology, needing no external power source. (iv) The air terminal is stainless steel and it has qualified diameter to resist high values of lightining currents (v) Roof connecting pipe should be capable of withstand in lightning strikes having dimension/dia as per design. Note: LA shall be provided for each solar roof top plant.

1.10 Weather Monitoring System (i) Pyranometer : The pyranometer (ISO 9060 classification ) alongwith necessary assessories for measuring incidental solar radiation at horizontal and inclined plane of array. Specifications of the pyranometer shall be as follows :- (i) Spectral response : 0.31 to 2.8 micron, (ii) Time response (95%). Max 15 second (iii) Nonlinearity + 0.5% (iv) Temperature response : - 2% (v) Tilt error < +/- 0.5% (vi) Zero offset themal radiation +7W/Sqm (vii) Zero offset temperature change + 2 W/Sqm (viii) Operating temperature range - O °C to 80°C (ix) Non stabillity Maximum - 0.8%, (x) Resolution minimum +/-1 W/Sqm (xi) Output Analog 4.50mA (xii) Digital RS 485 The instrument shall be supplied with necessary length of cable, calibration certificate, traceability to world radiation reference (WRR) or world rediation centre shall be furnished alongwith the equipment. Note: Weather Monitoring system shall be provided for each solar roof top plant.

(ii) Temperature sensor : It shall include temperature sensor for ambient temperature measurement with shielding case and for module temperature measurement. The temperature sensor shall be resistance temperature deductor (RTD) /semi conductor type with measurment range suitable for site climatic conditions. The instrument shall have valid calibration certificate. Note: Temprature sensor system shall be provided for each solar roof top plant. (iii) Anemometer: It shall include 01(one) No ultrasonic wind sensor for wind speed and direction monitoring for each plant with following specification: (a) Velocity range with accuracy limit : 70 m/sec with +/-2% accuracy at @ 13 m/s, resolution 0.01 m/s (b) wind direction range with accuracy limit :0 to 360 degree (No deed band) with plus/minus 2 degree accuracy @ 12 m/s and resolution 1 degree (c) Mounting bracker: Anodised aluminium bracket to reduce corrosion all mounting bolts of SS. (d) Protection class :IP66 (e) Output : RS232 and RS485. Note: Anemometer shall be provided for each solar roof top plant.

(x) The bidder shall carefully design and accommodate requisite numbers of the modules in the available area as per topography to achieve the rated power in his bid. (xi) The bidder shall provide the sample solar PV module electrical characteristics including current-voltage(I-V) performance curves and temperature coefficients of power, voltage and current. (xii) The bidder shall provide operation and maintenance mannual, maintenance schedule, test reports/certificates, equipment drgs and specifications after completion of work.

Supply, laying and testing cable XLPE Insulated ,screened, PVC bedded, galvanized steel strip or wire armoured, electric power cables (heavy duty) 1100 Volts grade with stranded aluminium conductor of size 35 sq mm 3.5 core all as specified and as directed.

Excavation in trenches not exceeding 1.5 metre wide and not exceeding 1.5 metre in depth and getting out in any type of soil complete all as specified and as directed.

Returning filling in including ,spreading,levelling,watering and well ramming in layers not exc 25cm thick each complete all as specified and directed.

Removing excavated material to a distance not exc 50m and depositing where directed at a level not exc 1.5 m above the starting point complete all as specified and as directed.

Material and labour for fine river sand for cushioning to under ground cables 8 cm before laying the cable and 15 cm after laying the cable for protection of cable complete all as specified and as directed. Note:- Punned depth shall be measured for payment.

Supplying and laying factory made unreinforced Precast concrete cable covers, class LV, type 1 flat of size 250 x 150 x 40mm laid in trenches as protection to cables all as specified and as directed.

Material and labour for Cutting/Boring of road/Hard standing to a size of 30 cm in width and not exceeding 60 cm in depth for laying of protection pipe/water line/Cable including returning filling, Including spreading and providing PCC in 1:2:4 B1 using 20 mm grade stone aggregate for the top 100 mm layer, complete all as specified and as directed.

Material and labour for mild steel tubes 50 mm bore, light grade Galvanised, laid under the floor, road or along the walls for passing through cables complete all as specified and as directed.

Supply and laying mild steel tubes 25 mm bore, medium grade, Galvanised,with all fittings like socket union elbow bend tees etc jointed and laid in trenches or floors or fixed to walls/roofs etc, complete all as specified and as directed.

Supply and fixing Gun-metal, globe or gate valves, ISI marked (IS:778) with iron wheel head, screwed both ends for 25 mm bore dia of pipe complete all as specified and as directed.

Supply and fixing Rotational moulded polyethylene water storage tanks of 500liters capacity (cylindrical vertical with closed top) hoisted and fixed in position complete all as specified and as directed .

Supply and fixing Ball brass valves, high pressure, with polythene float and flynut complete, screwed for 25 mm bore dia iron pipe or brass ferrule and fixed complete all as specified and as directed.

Supply and fixing for 25 mm bore bib taps, cast copper alloy with crutch or butterfly handle,screwed down screwed for 25 mm bore dia iron pipe or brass ferrule complete all as specified and as directed.

Material and labour for Mild steel work of angle iron or other section as inframe for Water tank including cutting and welding works and applying two coats of synthetic enamel paint black paint over and including a coat of red oxide primer complete all as specified ans as directed,

Material and labour for cement concrete 1:3:6 type C-2 using 40 mm graded crushed stone aggregate as in coping /padestal to poles and repair to road cutting including finishing the exposed surface even and smooth in cement mortar 1:3 complete all as specified and as directed.

Supply and fixing Pressure booster pump with Cri automatic pressure controller of capacity 0.5 HP single phase, 230 volt easy to move from one location to another location.complete all as specified and as directed.

Dismantling of brick tiles or terracing tiles single layers on roofs complete all as specified and as directed.

Demolitiion of cement concrete (unreinforced) of any description and in any position not otherwise specifically provied for complete all as specified and as directed.

Roughening surface of old concrete floor by picking sweeping cleaning and washing down with water to remove dust etc complete all as specified and as diected.

Material and labour for applying evenly a coat of hot blown bituminous of grade 85/25 @1.2 kg/sqm over and including a coat of bituminous primer Confirm to IS-3384-1986 @ 0.3 ltr per Sqm over cleaned plaster surface complete all as specified and as diected.

Material and labour for cement concrete1:3:6 , type C-0 using 12.5mm graded stone aggregates as in padding over roof minimum thickness at khurra as 25 mm to maintain a slope of 1:100. complete all as specified and as diercted.

Material and labour for APP based polymeric membrane minimum weight 3 Kg/Sqm and minimum 3.00 mm thick reinforced with polyster non woven fabric (wt not less than 150 gms/sqm) landed on bitumen primer applied @ 0.30 kg / sqm by forced application complete all as specified and as directed.

Material and labour forcement concrete tiles 30cmx30 cmx 20 mm, with grey cement and no pigment laid over and including 15mm thick sceed bed in CM (1:4) mixed with liquid water proofing compound as per manufacturer's instructions and joint grouted flush in cement mortar 1:3 complete all as specified and as directed. NOTE:- Liquid WPC shall be measured and paid Separately.

Supply only Liquid water proofing compound complete all as specified and as directed

Material and labour for cutting grooves in brick wall, 75mm wide and 65mm deep and shapping horizontal face of groove with cement mortar 1:3 complete all as specified and as directed..

Material and labour for cement concrete1:2:4 type B-1 using 20mm graded aggreagate as in coping,benching, roof kerbs and mud stops etc slightly rounded or chamfered complete all as specified and as directed.

Taking down cement plaster on brick walls or concrete surface of any thickness including rakng out joints, hacking for keys, scrubbing down with water etc complete all as specified and as directed.

Material and labour for rendering 15mm thick on fair faces of brick work or concrete surface with CM 1:4 mixed with liquid water proofing compound as per manufacturer's instructions, finished even and smooth without using extra cement complete all as specified and directed . NOTE:- Liquid WPC shall be measured and paid Separately.

Material and labour for prepation of newly plastered surface of walls and applying two coats of cement base paint over a coat of primer complete all as specified and as directed.

Vandan Enterprises (BID ID -3442696)