E tender for Design, Supply, Erection, Testing and Commissioning of Grid Connected Rooftop Solar Plant of Various Capacities in the IT Park Building at Pattabiram, Avadi, Chennai.

Amount

Supply,installation,Testing and Commissioing of Solar Panel 550 Watt II Pack of 2 II Half-cut 144 Cells II Dual Glass Mono Perc Bifacial Solar Panels II 30 Years Performance Warranty.Modules must qualify to IEC 61215 / IS 14286 and IEC 61730 Part I and II for safety qualification testing or Equivalent IS(Under Dec.) & IEC 61701/IS 61701 90% output for first 10 years, 80% output for 25 years.

Module Mounting Structures: The PV modules will be mounted on fixed metallic structures of adequate strength and appropriate design, which can withstand load of modules and high wind velocities up to 160 km per hour. The support structure used in the power plants will be hot dip Galvanized Iron (G.I) with m thickness. The modules support structure shall be hot dip galvanized for holding the PV modules The leg of the structure shall be fixed and grouted in the PCC foundation column made with 1:2:4 cement concrete at depth of 4.5ft below ground with 1ftx1ft and 1 feet above ground. For each table, 8 nos of foundation columns should be provided to support the steel structure. The foundation shall support SPV modules at a given orientation, absorb and transfer the mechanical loads to the ground properly and shall withstand maximum wind speed of 160 km/hr. Total weight of the steel structure should not be less than 150 Kgs (each1 unit)

DC Cables: Supply and run 2 of 4sq.mm DC copper Cable PVC or XLPE insulated and PVC unsheathed single or multi core cable with minimum 6 sq.mm in suitable PVC rigid pipe on wall from PV array to DCDB

AC Cables: Supply and run of 4 of 50sq.mm aluminum PVC or XLPE insulated and PVC unsheathed single or multi core flexible cable with Voltage rating 1100V UV stabilized Copper Cable in suitable PVC rigid pipe on wall.

Power Conditioning Unit: The PCU shall also house MPPT (Maximum Power Point Tracker), and interface between Solar PV array & the Inverter, to maximize Solar PV array energy input into the system. PCU & protection PCU including MPPT & protection conform to IEC 61683/IS 61683, IEC 60068 - 2 (1,2,14,30) /Equivalent BIS Std. as per specifications PCU refers to combination of charge controller,inverter shall be supplied as integrated unit or separate units. Type of Switching Element has been IGBT/MOSFET, Type of Charger has been MPPT based PWM charger, Input from Solar Array has been 24 V (nom)-10% to + 15%. Protection has been input Over voltage, Low/High frequency, Short circuit. Load surge current, Over current, Under/over output voltage, Over temperature, Over voltage with auto recovery, indication has been Inverter 'ON' and over temperature. Capacity: 50KVA - 1 No /Three Phase (each 1 unit)

ACDB: It shall be provided in between PCU and loads; It shall have MCB of suitable rating for connection and disconnection of PCU from load. It shall have MCBs to supply power to control room loads such as existing loads.It shall have AC voltmeter, Ammeter, Energy meter to record energy supplied to loads. It Shall be mounted close to the Grid-Tie Inverter with thermoplastic IP65 protection for cable termination points for identification. 1 In 1 Out │IP65 PC Enclosure │ 4P, 440V 63A MCB at solar side along with phase indication lamp │Type-2, 40kA SPD at grid side output

DCDB: DC Distribution panel is needed to receive the DC output from the array field, with analog measurement panel for voltage, current from different MJBs so as to check any failure in the array field. It shall have MCBs of suitable rating for connection and disconnection of array sections. Array Junction boxes with fuses and Surge Protection Devices with lightning and over voltage protection with thermo plastic IP65 protection junction boxes for cable termination points for identification 2 In 2 Out │ IP65/66 PC Enclosure with 1000V 12A fuse at each Positive I/P │ Terminal Block at Negative I/P and 2P MCB │ Type-2 40kA SPD at each Output │ MC4 Compatible Connectors at both input and output terminals.

Supply and insallation maintenance free GI Earthing System comprising of 50mm dia and 2 mtr. long earth electrode of low carbon steel rod with 100 micron bonding and 25 kgs. of carbon based environment friendly backfill compound and suitable clamp

Supply and run of 25mm x 3mm tinned copper flat with necessary clamps / supports on wall / floor / ground for earth Connection

Supply and Fixing of 50MM Height TMC Insulator on wall with necessary bolt and Nut connection grouting on wall

Supply and fixing of UPVC Pipe accessories

Supply and fixing of Cable Tray 100 mm width on wall with Necessary clamps etc.

Supply and erection of Conventional Lightning arrester

MC4 Connectors, Cable Tray, Cable Conduit, Cable Tie, Cable Lugs, Cable Clips, Ferrules, Cable route marker, Inverter canopy, MDB Breaker , Fire Extinguishers,Caution sign Boards, Insulation mats

CEIG approval and TNEB cahrges

Comprehensive Maintenanace for 5 Years

Supply and fixing of 8 way Vertical Triple pole and neutral MCB sheet steel enclosure distribution board with double door (metal) with 1 no. 63A 4P MCB switch as incoming and 3 nos. 32A 3P MCB, 15 nos. 6A to 32A SP MCB as outgoing on wall with earth connection only. Higher End SD-577

Supply and fixing of 25 KVA on line UPS 3 Phase in-3 Phase Out with Double Conversion high Freq. Switching PWM, using IGBT's technology,pure sine wave with THD (Non-Liner Load) < 5% with all necessary safety provisions.

Supply and Run of 4 of 6 sq.mm. PVC insulated SC unsheathed FRLS copper conductor of 1100 V grade in suitable PVC rigd pipe on wall and ceiling with continuous earth wire connection by 6 sq.mm. PVC insulated SC unsheathed FRLS copper wire with painting of suitable colour. SD-358

SCHNELL ENERGY EQUIPMENTS PVT LTD (BID ID -1156303)