Sub: Enquiry For Obtaining Quotation For Third Party Inspection (Tpi) Agency For The Work Of “Design & Engineering, Procurement, Supply, Installation, Testing & Commissioning Including 5 Years Warranty/Defect Liability Obligation & Non-Comprehensive Maintenance Of Cumulative 150 Kwp Grid-Tied Solar Pv Power Plants At Various Premises Of Haldia Dock Complex, Smp, Kolkata”.Part A-Electrical Works. 1 PV Mounting structure:- Design, fabricate, supply, installation, testing and commissioning of Hot dip Galvanised PV Mounting structure suitable for roof top installation as per the Technical Specification. The designed Structure along with Solar PV modules should be capable of withstanding wind load of 200 Km/hour. The offered design should be certified by reputed institutes viz IIT Kharagpur/ IIT Madras/ IIEST, Shibpur/JU for acceptance by HDC. (i) Supply of Hot dip Galvanised PV Mounting structure ( Square hollow sections, Angle, channels, beam, plates, flats etc.) based on certified design. (ii) Installation, testing and commissioning (iii) Providing foundation for PV Mounting structure 2 PV Array :- Design, fabricate, supply, installation, testing and commissioning of PV Array as per the Technical Specification. (i) Supply (ii) Installation, testing and commissioning 3 Outdoor duty Grid Connected String Inverter : Design, fabricate, supply, installation, testing and commissioning of outdoor duty Grid Connected String Inverter as per the Technical Specification. (i) Supply (i).a. 25KW outdoor duty Grid Connected String Inverter (i).b. 20KW outdoor duty Grid Connected String Inverter (ii) Installation , testing and commissioning (ii).a. 25KW outdoor duty Grid Connected String Inverter (ii).b. 20KW outdoor duty Grid Connected String Inverter 4 PV Array Junction Boxes (AJB):-- (i) Supply (ii) Installation, testing and commissioning 5 LT Panel:- Design, fabricate, supply, installation, testing and commissioning of IP55 enclosure, SS316, 2mm thick, EC grade Copper bus -bar, outdoor duty, Inverter combiner & Grid –Interfacing LT Panel with energy metering of the plant (Export Import Energy Meter ) as per the Technical Specification. (i) Supply (ii) Installation, testing and commissioning (iii) Providing civil foundation for LT Panel. 6 Power and control Cables:- Supply, installation, testing and commissioning of LT Cables including end termination as per the Technical Specification. Job also Includes supply and fixing of all materials required for installation Hot dip galvanised cable tray for laying cable. (i) Supply of cables (i).a. 3.5 core, 50Sq. mm., XLPE Insulated Armoured Copper, PVC, ST-2 sheathed, 1.1KV grade Power Cable (i).b. 1 core 6 Sq. mm. 1.5KV grade, Copper Extruded electron beam cross linked LSOH Insulated and Extruded electron beam cross linked LSOH outer sheathed DC Cable as per BS EN-50618:2014 (i).c. 1core 50 Sq. mm. XLPE Insulated, Armoured Copper, PVC, ST-2 sheathed1.1KV grade Power Cable (ii) Supply and fixing of 150mm wide Hot dip galvanised ladder type cable tray with suitable size Ts, bends and coupler etc. (iii) Supply and fixing of 50mm wide Hot dip galvanised cable tray with suitable size Ts, bends and coupler etc.