Installation of independent on grid roof top solar system at STN HQ and SACCF at 17 FBSU under AF STN Trivandrum

Amount

SCHEDULE 'A'

M&L for Survey and designing of site and design of on grid roof top solar plant of capacity 60 kWp (AC) including civil/ electrical infrastructure size as designer recommendation for housing inverter, electrical / electronic equipment associated with solar plant as per latest IS duly vetted from government approved vetting authority. Supply, installation erecting fabrication testing and commissioning of Solar Plant as per approved design at Air Force Station Trivandrum comprising of following as per latest IS sub-components/sub-systems and meeting the specifications as per MNRE specification. 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.

SOLAR PV MODULES: (a) The PV modules must conform to the DCR norms and latest edition of any of the following IEC/ equivalent BIS Standards for PV module design qualification and type approval: (i) Mono Crystalline Silicon Terrestrial PV Modules : IEC 61215-1-1:2021 / IS14286 (ii) Thin Film Terrestrial PV Modules : IEC 61646 / Equivalent IS (receipt of teneder) (iii) Concentrator PV Modules & Assemblies : IEC 62108/Equivalent IS. (b) 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 / BIS61701 and PV modules in sandy environment : IEC-600068-2-68 (c) 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 (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) Other relevant information on traceability of solar cells and module as per ISO 9000 series. (xi) Each solar panel capacity should not be less than 540watts MONO PERC HALF CUT cell type, Low iron tempered glass 3.2mm thick made of anodised aluminium alloy,junction box confirming to IP65 NOTE: RFID shall be mandatorily place inside the module laminate.

(d) PV modules must qualify (enclose test reports/ 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 including Solar Energy Centre. 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. (e) 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 10years and 80% at the end of 25 years. If not then the SPV will replace immediately without any cost. (f) The 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 / as specified at Para 1.02 of MINIMAL TECHNICAL REQUIREMENTS / STANDARDS FOR SPV SYSYTEMS / PLANTS TO BE DEPLOYED DURING this F.Y. UNDER THE PROGRAMMES OF MINISTRY OF NEW AND RENEWABLE ENERGY available on MNRE website. (g) DCR :- Domestic content requirement (DCR) mandates shall be strictly adhered i.e, for the use of solar cells and modules etc shall be manufactured domestically as per specifications and testing requirements fixed by MNRE.

(h) Test certificates / reports for the BOS items/ components can be from any of the NABL/ IEC Accredited Testing Laboratories or MNRE approved test centres. The list of MNRE approved test centres 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. (i) The mechanical structures, electrical works including power conditioners/ inverters/charge controllers/ maximum power point tracker units/ distribution boards/ digital meters/ switchgear/ storage batteries,etc. and overall workmanship of the SPV power plants/ systems must be warranted against any manufacturing/ design/ installation defects for a minimum period of 12 years. Note: The specific attention of designers and vetting authorities is invited towards the fact that site of installation is located in costal area which is prone to high corrosion. Designing team should consider the above facts for durability of structure.

SPECIFICATIONS: (a) Silicon Crystalline SPV cells shall be used in the Solar Photovoltaic module. PV panels should be of any make approved by all of the agencies simultaneously i.e. MNRE and SECI and NISE. The Department reserve the right of making independent inquiry with MNRE, SECI and NISE as regard appraisal of the proposed make and in case of any adverse observation/ reservation on the proposed make from any one of the make shall not be allowed. (b) Peak power rating of the module shall not be less than 540 Wp. (c) The module efficiency shall be more than 19% or as per new solar technology at standard test condition and the cell should have minimum fill factor of 0.7 to 0.82. It shall be made of high transmitivity glass and front surface shall give high encapsulation gain. (d) 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 (-) 40ºC and (+) 85ºC and shall withstand gust up to 180km/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.

General requirements for PV module: (a) Module shall be manufactured in India. Module shall be made up of HALF CUT MONO perc silicon cells as per contractor own design and as per vetting by IIT/NIT/ National institute of solar Energy(NISE)/ Solar Energy Corporation of India (SECI)/ The Indian renewable energy development agency/ MNRE approved Chartered Engineers (b) The interconnected cells shall be laminated in vacuum to withstand adverse environmental conditions. (c) The module frame is made of corrosion resistant materials, preferably having aluminium anodized finish with suitable min thickness as per designer. (d) The minimum clearance between the lower edge of the modules and the developed roof level shall be 400 mm as per the roof condition or directed by EIC. All the panels shall have provision to tilt angle of the latitude of the proposed location recommended 9 degree angle phasing through south. No chipping and drilling allowed on the roof. (e) Surge arresting device to be provided at junction box and module shall be provided with bypass diode. (f) 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. (g) The SPV module must be IEC 61215 and IEC 61730 Part I and Part II certified from any of the accredited certifying agencies. (h) Each Solar 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 from the completion of the trial run. (j) 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. (k) The module shall be provided with a junction box with either provision of external screw terminal connection or sealed type and with arrangement for provision of by-pass diode. The box shall have hinged, weather proof lid with capative screws and cable gland entry points or may be of sealed type and minimum IP65 rated.

MOUNTING STRUCTURE :-(a) Module mounting structure may require to customize with respect to the site availability(ie roof layout of the building). (b) Module shall be mounted on a non-corrosive support structures. (c) All the panels shall have provision to tilt angle of the latitude of the proposed location recommended 9 degree angle phasing through south. No chipping and drilling allowed on the roof. (d) 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. (e) All fasteners shall be of Stainless steel - SS 304. Nut & bolts, supporting structure including module Mounting Structures shall have to be adequately protected against costal climatic condition. (f) Should be an Indigenous company.

GRID TIED INVERTER : (a) Approved make by MNRE / SECI / NISE. The Department reserve the right of making independent enquiries with MNRE / SECI and NISE as regard approval of the purposed make. In case of any adverse observation/reservation from any one of the agency, the make shall not be allowed. (b) Design, supply, installation, testing & commissioning Solar Grid Connected multi string type inverter suitable for 20KWp X 3 Nos ( 60KWp (AC)) designed capacity to give maximum yield for installed capacity , three phase, AC operated complete with following features complete all as per specified and directed :- Make : Approved in MNRE and BIS certified. (a) INPUT DATA DC : (i) Max recommended PV power should be 20 % more than the inverter capacity (ii) Max DC volts - 1100 V, start voltage - 200 V, Nominal voltage 580V (iii) MPPT range - 140 VDC - 1000 VDC (iv) Minimum Number of MPPT Chargers - 2 NOS (iv) MPPT range - 140 VDC - 1000 VDC (b) OUT PUT DATA AC: (i) Max AC apparent Power - 3 X 25000VA(75000VA) (ii) Maximum efficiency 98.6% (c) Display Parameters (i) OLED Display (ii) LCD Display (iii) Touch Control (d) Monitoring System (i) Remote monitoring (ii) Centralized Monitoring through Wi-Fi

(d) GENERAL :-(i) Output voltage : 3 phase, 415 V AC (+5 %). (ii) Frequency : 50 Hz (+1.5 Hz, -1.5 Hz). (iii) Continuous rating : cumulative capacity of 60 kW Grid Tied inverter. (iv) MPPT Range :480V/as per inverter specifications.(v) Standard conformation: IEC 61683.(vi) Total Harmonic Distortion : Less Than 3%. (b) MPPT Technical Specifications for Invertors are as under :- (i) Nominal Voltage 415V+/- 10%, 3 phase, 50Hz (ii) Control Micro processor/ DSP (iii) Switching Device IGBT (iv) Grid Freq. Synchronization +/- 3Hz or more (v) Ambient Temp -20°C to 50°C (vi) Humidity 95% non condensing (vii) Protection of enclosure IP 20 (indoor)/ IP65 (Outdoor) (viii) No load Losses 1% of rated power. (ix) Inverter Efficiency 97% (without inbuilt galvanic isolation) 93% (with inbuilt galvanic isolation). (x) PF 0.9 (xi) THD 3% (xii) Inverter should have internal protection arrangements against any sustainable fault in feeder line and against the lightning on feeder. (xiv) Inverter generated harmonics, flicker, DC injection limits, Volt range, frequency range and anti-islanding.

(c) Features: (i) The inverter system should detect the islanding conditions (ii) Electrical safety, earthing and protection (iii) There should be sufficient MPPT Channels per Inverter as per design. (iv) These should be capable of asymmetric as well as symmetric loading. (d) A data logging system for plant shall be provided:- (i) To measure the Solar Irradiance an integrating sensor mounted in the plane of the array. Readout should be integrated with data logging system. (ii) Wind Speed: An integrated wind speed measurement unit be provided. (iii) Temperature Sensor: Integreated temp, sensors for measuring the moudule surface temperature, inverter inside enclosure temperature, and ambient temperature to be provided complete with readouts integrated with the data logging system. (e) All grid solar PV power plants must install necessary equipment to measure solar radiation, ambient temperature, wind speed and other weather parameters continuously. Simultaneously measurement of the generation of DC power as well as AC power from the plant must be done. The system shall be capable to take/indicate the above data.

COMBINER BOXES & ELECTRICAL PANEL : IF NOT INCLUDED AS PART OF INVERTER:- (a) The Junction Boxes shall be of dust, vermin and waterproof and shall made of Thermo Plastic. The terminals shall be connected to copper bus bar arrangement of proper sizes. The junction boxes should have suitable cable entry points fitted with cable glands of appropriate size for both incoming and outgoing cables. (b) Suitable markings will be provided on the bus bar for easy identification and cable ferrules shall be fitted at the cable termination points for identification. (c) Combine groups of modules into independent charging sub-arrays that shall be wired to the controller. (d) Should meet minimum IP65 standard for outdoor application. (e) There should be of input DC cable chamber (f) Output AC chamber (g) Supply and provision of AC DB & DC DB of suitable size and capacity with all controlling switch gears / SPD protection devices/ meters and controlling panels etc all are dee,deemed to be included in the scope of work. Nothing extra will be admisible in this ground.

CABLES & WIRES:- All cables and wire of suitable size required to make the system fully functional with adequate reserves 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 medium grade rigid PVC conduict etc. (a) Conductor material: Annealed tinned flexible copper conductor of suitable size. (b) Max. PV system voltage (D.C):1800 Volts (c) Ambient temperature range : -40 deg c to +90 deg c (d) Max. conductor Temperature at termination of short circuit:250 deg c (e) Type of conductor: As per Class 5 according to EN 60228/ IEC 60228 (f) Insulation material: Chemically cross linked XLPO (g) Type of insulation: According IEC 60502-1, EN-50363-1 (h) Nominal thickness of insulation : 0.80mm/as per IEC 60502-1,EN-50363-1 (j) Outer sheathed material: Chemically cross linked XLPO (k) Recommended bending radius : 4 times of overall dia (l) AC Test voltage : 6.5 KV for 5 minute (m) All cables shall conform to BIS standards (IS 694) / (IS 1554) (n) PVC / XLPE Copper conductor power electric cable.

LIGHTNING PROTECTION The lightning protection system will be provided as per designers recommendations keeping view of costal area.

EARTHING PROTECTION Earthing system for entire Solar panles, inverter panels, other electrical installations will be provided as per designers recommendations keeping view of costal area. Type and no of earthing pits shall be considered as per designer recommendations keeping view of soil resistivity at ground.

METERING ARRANGEMENTS:(a) Suitable dual metering arrangements with recording facility shall be provided. The metering arrangements must have features to measure and record the following :- (i) Parameters of current generation, voltage, current, PF and Energy. (ii) Total Energy generated by the System since installation. (iii) Energy being consumed in house for meeting the electrical loads. (iv) Energy being drawn from grid for meeting the electrical loads. (v) Energy being fed to the grid. (b) Any other metering required to determine efficiency and efficacy of the system.

Any other works/ items of Civil and Electrical nature required for the 60 KWp PV plant. Like, fencing, path and PCC hard standing, sheds, etc to be provided as per designer recommendations.

Feasibility clearance from state electricity board: (i) Rate quoted by bidder is inclusive charges for feasibility clearance and liaising with the state electricity board for in-time progress of the job. Contractor is bound to submit all the relevant documents as required for feasibly clearance from KSEB. (ii) SPV registration: Rate quoted by bidder is inclusive charges for SPV registration through offline / online in KSEBL website with all connected documents. Contractor is bound to submit (offline/online) all the relevant documents as required for Solar Power Generation system registration in KSEB. (iii) Solar meter & Bi-directional meter: Supply HT Net meter/ Bi-directional meter & solar meter and deposited to KSEB TMR div for testing and calibration and taken back to site for installation. Note: Contractor will responsible for deposite the bi-directional meter (as per existing capacity) in TMR division along with authority getting from MES and deposite testing fees to KSEB. NO extra payment will be made in this effect. (iv)Inspection of SEB electrical Inspector: Rate quoted by bidder is inclusive Electrical inspectorates inspection charges to State electricity department by Sr Electrical Inspector. Contractor is bound to arrange all the documents/ inspection reports/ test sheets in prescribed format by KSEB on their official website & pay charges for inspection after successfully installation of the solar power generation systems. No extra payment will be made in this effects. Note : After successfully installation of system, Contractor will submit inspection reports duly signed by Chief Electrical Inspector of KSEB to MES for buyback agreement with KSEB. If the Power will not generated at a correct level /limit , a penalty will be charged against contractor decided by accepting officer

GENERAL NOTES : The items of work mentioned in item 1 to 1.14 of this schedule shall be executed as per following:- (a) The above item shall be quoted and executed on ground based on Contractor’s own design on Performance Guarantee Basis. The Performance Guarantee is related to achieving the 60 KWp generation with specified efficiency and efficacies. The Contractor shall also be responsible for desired operational efficiency and desired efficacies of the System during its life cycle of minimum fifteen years. (b) The design shall be got vetted from any one of the following agencies(Approved Agencies):- (i) IIT/NIT/National institute of solar Energy(NISE)/ Solar Energy Corporation of India (SECI)/ The Indian renewable energy development agency/ MNRE approved Chartered Engineers (c) The successful Contractor shall submit the following document duly vetted by any one of the approved agency, within Four weeks of placement of work order for approval of Accepting Officer. (i) Design Calculations : The tenderer should work out design based on the conditions prevalent at Air Force Station Trivandrum ground situation and site conditions as existing. The complete design calculations using PVSYS Software or any other software shall be submitted. (ii) This shall be self contained and self explanatory representation of layout of equipments and sub-system. The dimensioned drawing of the site of work clearly marked with all subsystems components etc shall be submitted. (iii) Schematic Diagram of the electrical system: This shall contain specifications, sizes, current, voltage and fault levels rating of all cables, switch gears and instrumentation & control systems and all metering and interlocking etc. (iv) The installed capacity of PV Panels shall be 10% more than the planned capacity keeping view of losses. (v) All the documents/ technical details mentioned above duly vetted as specified above shall be approved by Accepting officer before placing final order. The GE may approve the document with concurence of Accepting Officer as submitted by contractor or may suggest modification/ alteration in documents/ technical specifications duly supported with reasons for the same. The work shall be executed based on the approved.

(vi) The design drawings and other technical details submitted by the successful contractor, along with all calculations, drawings, technical write ups etc shall become department property. Department may use these subsequently as deemed necessary. The contractor shall have no claim on these document and their subsequent use by the department. (vii) Approximate distance between the concerned building and existing KSEB metering panel is 150m. The cost of provision of (Supply, design & laying ) of LT UG cable of suitable size from concerned building to existing KSEB metering panel shall deemed to be included in the scope of work. (d) During execution the contractor must engage experienced engineer in the same field for supervision, monitoring and execution. The consultant shall certify that execution of the work has been done satisfactorily. The consultant shall certify that the work has been executed in accordance with vetted and approved design. All cost and charges for engagement of consultant shall be born by the contractor. (e) Department will give completion of the work to the contractor only on the basis of basis of completion report submitted by the consultant engaged by the contractor for design. (f) After Execution of project the contractors will verify generation of electricity as per vetted design in the PVSYST/PVSOL report submitted and connection of the same with exisitng network. (g) The contractor shall ensure suitable arrangement for solar PV panels.

Making connection of PP-R distribution branch with PP-R main of following sizes by providing and fixing tee including cutting and making fusion joint etc. of 16 to 40mm dia.

Unplasticised PVC pipes (ASTM) of 25mm bore,pressure rating 10 kgf/cm2 fixed complete to walls, ceilings or in floors etc., any type of pipe

Supply and fix Gun-metal, globe or gate valves, with iron wheel head, screwed both ends for iron pipe and fixed of dia 25 mm all as specified

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

Supply,hoisting and fixed in position rotational moulded polythelene water storage tank three layer cylindrical vertical with closed top of capacity 1000ltr.

Bib taps, cast copper alloy with crutch or butterfly handle, screwed mdown, screwed for iron pipe or for brass ferrule and fixed of size 15 mm

M&L for PCC block masonry staging of size 1mtr x 1mtrx 1.5 Mtr height on roof of bldg to accommodate 1000Ltr PVC water storage tank including painting of all surfaces with two coat of emulsion paint over one coat of cement primer all as specified and directed by EIC.

Total of Schedule 'A'

Green Ray Technologies

SUNTASTIC ENGINEERNIG PRIVATE LIMITED

B5BUILDING SOLUTIONS