PROVISION OF ROOF TOP SOLAR CAPTIVE POWER SUPPLY SPV SYSTEM (PHASE-III) AT 4 AFSB VARANASI UNDER GE AF GORAKHPUR

Amount

Designing, topographic survey, getting the design vetted from any one of the approved agencies, manufacturing, Design, supply, installation, testing and commissioning of Grid connected roof top type Solar Power Plant of 60 KWp Capacity, system panels made with monocrystalline perc half cut cells solar PV modules and mounted on Galvanised steel Structure and installed on roof top of RCC framed structure complete all as specified in Particular Specifications and as directed (Location - Bldg No P - 22 of 4 AFSB Varanasi). The rate quoted is deemed to be inclusive of the following :- Note :- The rate quoted is deemed to be inclusive of RCC Foundation and Structures for its module mounting as per the design approved & detailed engineering design including feasibility survey for solar power plant using “PV SYS” and “PV SOL” or equivalent software, topographic survey, foundation design etc. and getting the design vetted from “ MNNIT Allahabad/IITs/NITs/ IEC/NABL Accredited Testing Laboratories including Solar Energy Centre/MNRE Approved test centre ”, manufacturing, supplying, erecting, installing, testing and commissioning of grid connected roof top type Solar PV Plant of 60 KWp capacity, being installed on Building as per feasibility study at conditions prevalent at AFSB Varansi complete comprising of sub-components, sub-systems and meeting the specifications as given hereinafter and in particular specifications.

[A] SOLAR PV MODULE MOUNTING STRUCTURE [MMS]: The MMS shall be designed for an optimum tilt angle [fixed tilt] so as to meet the offered CUF. The angle shall be systematically optimized for maximum energy generation throughout the year based on location and local weather variables for each module technology.The frames and leg assemblies of the array structures shall be made of hot dip Galvanized steel as per ASTM A123. TECHNICAL SPECIFICATIONS OF MOUNTING STRUCTURES: The technical specifications for mounting structures are as under: [a] The mounting structure should withstand wind load as per relevant IS code / NBC. [b] The total load for roof top SPV should be less than 60 Kg/Sq.m. [c] The mounting steel structure shall be as per IS – 2061 and galvanising as per IS – 4759. [d] The material shall be corrosion resistant and electrolytically compatible with material used in module frame. [e] The fasteners shall be of stainless steel and shall allow easy replacement of any module. [f] The minimum clearance of the structure from the roof level shall be 300-400 mm.

[B] SOLAR PHOTOVOLTIC MODULES (a) Each Solar PV module used in this work shall have RF identification tag. (b) System panels made with monocrystalline perc half cut cells solar PV modules.Total volume of solar Modules to be supplied is 60 KWp which is cumulative rated capacity of all solar Module under supply as per relevant IEC standard under STC conditions.Minimum certified module capacity shall be 540Wp. The actual module capacity shall not vary by more than +3% from its minimum certified module capacity. No negative tolerance in the minimum certified module capacity is acceptable.The temperature coefficient of the module shall not be more than 0.50% / °C. All solar modules shall carry a performance warranty of >90% during the first 10 years, and >80% during the consecutive 25 years. Further, module shall have performance warranty of > 97.5% during the first year of installation. (c) The module mismatch losses for modules connected to an inverter shall be less than 2%. & shall have module safety class-II and shall be highly reliable, light weight and must have a service life of more than 25 years. The SPV module shall be made up of high transitivity glass & front surface shall give high encapsulation gain and the module shall consists of impact resistance, low iron and high transmission toughened glass. The module frame shall be made of corrosion resistant material, which shall be electrically compatible with the structural material used for mounting the modules.. The module frame shall have been made of Aluminium or corrosion resistant material, which shall be electrolytic ally compatible with the structural material used for mounting the modules with sufficient nos. of grounding/installation. Note:- The Contractor shall provide to GE the data sheets of all modules. The exact power of the module shall be indicated if the data sheet consists of a range of modules with varying output power.

(d) Modules only with the same rating and manufacturer shall be connected to any single inverter. Modules there shall compulsorily bear following information in the form of ID encapsulated with solar cell in the manner so as not to cast shadow on the active area and to be clearly visible from the top: [i] Name of the manufacturer of the Solar module. [ii] Name of the manufacturer of Solar Cells. [iii] Month & year of the manufacture [separate for solar cells and modules]. [iv] Solar Cells and Module shall be of indigenous origin only i.e. Indian Make only. [v] Wattage, Imp, Vmp, Isc, Voc, temperature co-efficient of power and FF for the module. [vi] Unique Serial No. and Model No. of the module [vii] Date and year of obtaining IEC module qualification certificate [viii] Name of the test lab issuing IEC certificate. [ix] Other relevant information on traceability of solar cells and module as per ISO 9001 and ISO 14001.

[C] SOLAR INVERTER AND PCU [a] Grid Interactive Solar Inventer of 60KWp capacity to be installed in each bldg i.e in Bldg No P - 22.Total capacity of solar power plant will be 60 KWp . TECHNICAL SPECIFICATIONS FOR INVERTERS: Technical specifications for Invertors shall be as specified hereunder: [a] Nominal Voltage: 415 V±10%, 3 Ph, 50 Hz [b] Control: Microprocessor / DSP [c] Switching Device: IGBT / MOSFET [d] Grid Freq Synchronisation: ± 3 Hz or more [e] Ambient Temperature: –20°C to 50°C [f] Humidity: 95% non-condensing [g] Protection of enclosure: IP 20 [indoor] / IP 65 [outdoor][h] No load losses : < 1% of rated power [i] Inverter efficiency: > 97% [without inbuilt galvanic isolation] > 93% [with inbuilt galvanic isolation] [j] PF: >0.9 [k] THD: <3% [l] Inverter shall have internal protection arrangements against any sustainable fault in feeder line and against the lightning on feeder. [m] Inverter shall have isolating transformer. [n] Inverter generated harmonics, flicker, DC injection limits, Volt range, frequency range and antiislanding measures should follow latest CEA Guidelines / IEC 62116 / BIS Code. [o] Inverters shall be of make Microtec / Powerone / Solar Edge / SMA/Solis/Goodwe as approved by GE.

PCU front LCD panel shall be provided with display [LCD or equivalent] to monitor the following:- [i] DC power input [ii] DC input voltage [iii] DC current [iv] AC power output [v] AC voltage [all the 3 phases and line] [vi] AC current [all the 3 phases and line] [vii] Power factor

[D] GRID SYNCHRONIZATION: The system shall incorporate a uni-directional grid interactive inverter and shall be designed to supply the AC power to the grid at load end. The power conditioning unit shall adjust the voltage & frequency levels to suit the Grid.. All three phases shall be supervised with respect to rise/fall in programmable threshold values of frequency .The inverter output shall always follow the grid in terms of voltage and frequency.This shall be capable of synchronize maximum within 1 Minutes.

[E] CABLES AND WIRES POWER AND CONTROL CABLES Wires with sufficient capacity and parameters shall be designed and used so that maximum voltagedrop at full power from the PV modules to inverter shall be less than 1.5%. Copper conductor PVC armoured for DC side cable [power and control] for solar module array / string interconnection with junction boxes up to DC board of inverters as per design along with terminals to be used. Cables on AC side of inverters up to Main DBs / LT Panel Board for peak output capacity along with protection and control shall be of copper of suitable size. Cable from invertor located at Bldg No. P 22 to ACDB of size 70 Sq mm 3.5 core or higher size , Cable from ACDB to user LT Panel end located at MES power sub station is to be used XLPE of size 120 Sq mm 3.5 core or higher size ,(approx length of cable is 100 RM ) Quoted rates are inclusive of earth work,sand cushioning and laying bricks for cable protection returning filling and removal etc complete.

[G] EARTHING: Each array structure of the PV yard, LT power system, earthing grid for switchyard, all electrical equipment, control room, PCU, All junction boxes, ACDB & DCDB, etc. shall be grounded properly as per IS 3043 - 1987. All metal casing / shielding of the plant shall be thoroughly grounded in accordance with Indian electricity act / IE Rules.The earthing for array and LT power system shall be made with GI pipe, 3 m long 80 mm diameter perforated GI pipe / chemical compound filled, double walled earthing electrodes including accessories & ERIC compound, and providing masonry enclosure with cast iron cover plate having padlocking arrangement, watering pipe & other items required as per provisions of IS: 3043. Necessary provision shall be made for bolted isolating joints of each earthing pit for periodic checking of earth resistance. . Each string / array and MMS of the plant shall be grounded properly. The array structures are to be connected to earth pits as per IS standards. Necessary provision shall be made for bolted isolating joints of each earthing pit for periodic checking of earth resistance. The complete earthing system shall be mechanically & electrically connected to provide independent return to earth.. For each earth pit, a necessary test point shall be provided.Earthing Mesh shall be prepared and installed in entire power plant. Note :- . The Contractor shall submit the earthing system design calculations along with the system layout for GE‟s approval, prior to the installation of the system.

[H] LIGHTENING ARRESTORS: The design, manufacture, inspection, testing and performance of Lighting Arrester shall comply with all currently applicable statutes, safety codes, provision of latest Indian Electricity Act, Indian Electricity Rules and Regulations of Statutory Authorities. Contractor shall provide dedicated two earth pits for Lightening Arrestor as per relevant IS standard.If necessary more numbers of lightning conductors shall be provided.

[I] PYRANOMETER: Contractor shall provide two no. of pyranometers for measuring incident global solar radiation, one each on on the horizontal surface and in the same orientation [inclination and azimuth] as the photovoltaic modules. The pyranometers shall have following specifications:- [i] Class-II [ii] Spectral Response: 0.31 to 2.8 micron. [iii] Sensitivity: Approx. 9 micro-volt/w/m2 [iv] Time response [95%]: Max 15 s [v] Non linearity: •}0.5% [vi] Temperature Response: •}2% [vii] Temperature Response= Max •}2% [viii] Tilt error: •}0.5%. [ix] Zero offset thermal radiation: •}7 w/m2 [x] Zero offset temperature change •}2 w/m2 [xi] Operating temperature range: - 40 deg to +80 deg. [xii] Uncertainty [95% confidence Level]: Hourly- Max-3% [xiii] Daily- Max-2% [xiv] Non stability: Max •}0.8% [xv] Resolution: Min + / - 1 W/m2 [xvi] Input Power for Instrument & Peripherals: 230 VAC [If required] [xvii] Output Signal: Analogue form which is compatible with the data.

[J] TEMPERATURE SENSOR: Contractor shall provide suitable nos. of RTD type temperature sensors with required weather shield as per Indian Standards, so as to individually and simultaneously measure both, ambient temperature, and module temperature. To measure module temperature, the temperature sensors shall be located on the back of representative modules and on front glass surface. Care must be taken to ensure that the temperature of the cell in front of the sensor is not substantially altered due to the presence of the sensor. Instrument shall have a range of -5°C to 60°C.

[K] ANEMOMETER AND WIND VANE: The Contractor shall provide double cup anemometer on tubular type made up of hot dipped Galvanized Iron. Velocity range upto 65 m/s, accuracy limit of 0.1 m/s. the anemometer shall have valid calibration certificates which shall be produced during one month of the installation.

[L] FIRE EXTINGUISHING SYSTEM: The installation shall meet all applicable statutory requirements, safety regulations in terms of fire Protection. Liquefied CO2 fire extinguisher shall be upright type of capacity 10 KG having IS – 2171 & IS – 10658 marked. The fire extinguisher shall be suitable for fighting fire of Oils, Solvents, Gases, Paints, Varnishes, Electrical Wiring, Live Machinery Fires, and All Flammable Liquid & Gas. Contractor shall provide portable fire extinguisher as given below. DCP Type [ABC type] [10 KG Cap] CO2 Type Hand 9 KG Foam Type Hand 9 KG 1 1 1. The minimum 3 no. of fire extinguishers shall be provided for every installations / building.Sand bucket shall be wall mounted made from at least 24 SWG sheet with bracket fixing on wall conforming to IS – 2546.

[M] METERRING ARRANGEMENTS :- 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.

[N] THE RATE QUOTED IS DEEMED TO BE INCLUSIVE OF: [a] Provision of Set of bi-directional GPRS based metering arrangement with CT at line end in SPV plant and at line end of take over points for energy accounting purpose. [b] Tool kit, earthing kit, etc. related to solar PV system and electrical system testing required for maintenance and monitoring of plant for 3 years. [c] All spares required for maintaining the plant for 3 Years including defect liability period shall be provided by the contractor without any extra cost to the department. [d] Charges for Statutory approvals including challans like Feasibility report from Discom, Net Meter / Modem charges, Chief Electrical Inspection, Import and export meters, Calibration charges and Discom frequently inspection charges, cost of pre-dispatch inspection etc. All approvals shall be obtained by tenderer in liaison with State Authorities. [e] The design shall be got vetted from any one of the following agencies: [i] National Institute of Solar Energy [ii] Sardar Swaran Singh National Institute of Renewable Energy [iii] Solar Energy Corporation of India [iv] The Indian Renewable Energy Development Agency [v] Any of the IITs [vi] MNRE/TERI approved agency. [f] Packing, forwarding and transportation of all equipment.

Outsourcing for Opereation and maintenance of 60 KWp Solar plant provide under item 1.00 above complete all as specified and directed for 1st Shift (single shift) . Scope of work (a) Outsourcing for Opereation and maintenance would including washing / cleaning of Solar PV Modules weekly as per pre planned schedule. (b) Checking electrical parameter of the installed power plant. (c) Any other job other than above indicated jobs would be covered under warranty of Solar plant installed. (d) keeping the area neat and clean free from vegetations growth. (e) Semi skilled Electrician / Mechanic (Solar light)

Supply, laying & fixing 15mm bore GI tubing medium grade with all fitting like bend, tees, sockets, union etc as required and fixed to walls & ceilings or laid in floors, trenches complete all as specified.

Supply, laying & fixing 20mm bore GI tubing medium grade with all fitting like bend, tees, sockets, union etc as required and fixed to walls & ceilings or laid in floors, trenches complete all as specified.

Supply & fixed 20 mm bore Gun-metal globe or gate valves with iron wheel head, screwed both ends for iron pipe fixed in water pipe complete all as specified and directed.

Supply & fixed 25 mm bore Gun-metal globe or gate valves with iron wheel head, screwed both ends for iron pipe fixed in water pipe complete all as specified and directed.

S&F 15mm bore bib taps chromium plated fancy type with crutch or butterfly handle, screwed down, screwed for iron pipes or brass ferrule and fixed in 15mm dia pipe any type complete all as specified and directed.

S&F 1000 ltr capacity rotational moulded polyethylene water storage tank three layer (cylindrical vertical with closed top) hoisted and Fixed in position all as specificed in SSR part-I. Including supply and fixing of 15mm bore ball valve high pressure of PTMT with epoxy coated aluminium rod & high density plastic ball screwed for iron pipes and Min Wt 15mm -142 Grams complete all as specified and directed.

Fisco Energy Private Limited