Kerala State Construction Corporation Limited Tender

OD187094/2023-2024:Supply, installation, testing and commissioning of S 1200 (2:1) Power Optimizer having Rated Input DC Power 1200W, Absolute Maximum Input Voltage (Voc) 125Vdc, MPPT Operating Range 12.5 to 105Vdc , Maximum Short Circuit Current (Isc) of Connected PV Module 15Adc, Maximum Efficiency 99.5%, Weighted Efficiency 98.8%, Overvoltage Category II, Maximum Output Current 20Adc, Maximum Output Voltage 80Vdc, Safety Output Voltage per Power Optimizer 1Vdc, Safety IEC62109-1 (class II safety), UV Resistant UL94 V-0, RoHS Compliance, Maximum Allowed System Voltage 1000Vdc, Input & Output Connector MC4, Operating Temperature Range -40°C to +85°C, Protection Rating IP68 / NEMA6P, Relative Humidity 0 to 100% etc. with connections including fixing to the structure with necessary SS nuts, bolts, round and spring washers after drilling holes in the structure etc. complete as required

OD187190/2023-2024:Supply, installation, testing and commissioning of S 1200 (1:1) Power Optimizer having Rated Input DC Power 1200W, Absolute Maximum Input Voltage (Voc) 125Vdc, MPPT Operating Range 12.5 to 105Vdc , Maximum Short Circuit Current (Isc) of Connected PV Module 15Adc, Maximum Efficiency 99.5%, Weighted Efficiency 98.8%, Overvoltage Category II, Maximum Output Current 20Adc, Maximum Output Voltage 80Vdc, Safety Output Voltage per Power Optimizer 1Vdc, Safety IEC62109-1 (class II safety), UV Resistant UL94 V-0, RoHS Compliance, Maximum Allowed System Voltage 1000Vdc, Input & Output Connector MC4, Operating Temperature Range -40°C to +85°C, Protection Rating IP68 / NEMA6P, Relative Humidity 0 to 100% etc. with connections including fixing to the structure with necessary SS nuts, bolts, round and spring washers after drilling holes in the structure etc. complete as required

OD187211/2023-2024:Supply, installation, testing and commissioning of S 650 (1:1) Power Optimizer having Rated Input DC Power 650W, Absolute Maximum Input Voltage (Voc) 85Vdc, MPPT Operating Range 12.5 to 85Vdc , Maximum Short Circuit Current (Isc) of Connected PV Module 15Adc, Maximum Efficiency 99.5%, Weighted Efficiency 98.6%, Overvoltage Category II, Maximum Output Current 15Adc, Maximum Output Voltage 80Vdc, Safety Output Voltage per Power Optimizer 1 ± 0.1Vdc, Safety IEC62109-1 (class II safety), UV Resistant UL94 V-0, RoHS Compliance, Maximum Allowed System Voltage 1000Vdc, Input & Output Connector MC4, Operating Temperature Range -40°C to +85°C, Protection Rating IP68 / NEMA6P, Relative Humidity 0 to 100% etc. with connections including fixing to the structure with necessary SS nuts, bolts, round and spring washers after drilling holes in the structure etc. complete as required

1.21.2:Supplying and fixing of following sizes of medium class PVC conduit along with accessories in surface/ recess including cutting the wall and making good the same in case of recessed conduit as required.25 mm

OD187847/2023-2024:Supply, laying, testing and commissioning of 4.0 Sq.mm Photo Voltaic Solar cables with a nominal DC voltage of a 1.5kV designed to withstand the demanding environmental conditions that arise in any fixed, mobile, roof or architecturally integrated photovoltaic installation through the existing conduit with all necessary accessories. The cable shall have the specifications of Conductor Class 5, Flexible Electrolytic Tinned fine copper strands according to IEC 60228, Insulation Crosslinked Halogen Free & Flame Retardant, Outer Sheath Crosslinked Halogen Free & Flame Retardant UV and ozone resistant Sheath, Rated DC Voltage 1.5kV, Maximum Permitted DC Voltage 1.8kV, Maximum Permitted AC Voltage 1kV, Spark Test 6000Vac (8400Vdc), Voltage Withstand 6.5kV Ac & 15kV dc, Ambient Temperature -40°C ~ +90°C, Maximum Temperature of Conductor 120°C (20000h), Short Circuit Temperature 200°C (at conductor max. 5sec), Thermal Endurance Test According to EN 60216-2 (temperature index +120°C), Mineral Oil Resistance according to EN 60811-2-1, Ozone Resistance according to EN 50396 part 8.1.3 Method B, Acid & Alkaline Resistance According to EN 60811-2-1 (Oxal acid and sodium hydroxide), Weathering-UV Resistance, Single Cable Flame Test EN 60332-1-2, Low Smoke Emission EN 61034-2 (Light Transmittance > 70%), Halogen-free per EN 50525-1 Annexure B, Tensile Strength 6.5 N/mm2 for insulation and 8 N/mm2 for sheathing according to EN60811, Elongation of Insulation and sheathing 125% according to EN60811, Shrinkage 2% at 120°C according to EN 60811-1-3 etc. complete as required.

OD190447/2023-2024:Supply, installation, testing and commissioning of 1 Pair of high quality MC4 Photovoltaic Module Connectors used for low-voltage DC applications up to 1500V, conforming to IEC 62852:2014 (Connectors for DC Application in photovoltaic systems - Safety requirements and tests) etc. complete as required

OD189205/2023-2024:Supply and installation of 304 Grade Stainless Steel Cable Tie of size 300mm x 4.6mm (12 Inches) used for Roof Top Solar and Industrial Purpose etc. The tie shall have the specifications of high strength, zip & self locking, shiny surface, smooth rounded edges to ensure safety, antioxidative, anti-caustic, high temperature resistant, cold resistant etc. complete as required

OD189453/2023-2024:Supply and installation of Nylon 66 Cable Tie of size 300mm x 3.6mm (12 Inch) used for Roof Top Solar and Industrial Purpose etc. The tie shall have the specifications of UV resistance, high strength, zip & self locking, self locking, flammability UL 94 HB, operating temperature -40°C to +140°C, RoHS compliance etc. complete as required

OD190271/2023-2024:Supply and installation of Nylon 66 Cable Tie of size 150mm x 2.5mm (6 Inch) used for Roof Top Solar and Industrial Purpose etc. The tie shall have the specifications of UV resistance, high strength, zip & self locking, self locking, flammability UL 94 HB, operating temperature -40°C to +140°C, RoHS compliance etc. complete as required

OD189015/2023-2024:Supply, installation, testing and commissioning of Wall Mounting DC Distribution Board made of Thermoplastic Polycarbonate Glass Fiber Reinforced material for 1000V DC supply system having Design Standard according to IEC 60 364-7-712 & IEC 61439 -1&2, Design Temperature of 50°C, IP 65 Degree of Protection (EN 60529), RAL 7035 (Self Finish Grey) Finish shade for enclosure with all components and connections including cable, lugs, sleeves, ferrules, screws and other necessary accessories. The main components shall be for INTERNALS - 6 Nos of 25A DC Fuse Link with Base, 3 Nos of 25A 1000V DC Isolator with Direct Handle, 3 Nos of Surge Arrester Type II 1000V DC - 3 Nos, TERMINAL BLOCKS - 12 Nos of 6.0 Sq.mm Terminal Block for Outgoings, 3 Nos of 10 Sq.mm Terminal Block for Earthing of SPD, CABLE SIZE - 6 Nos of 1C x 4.0 Sq.mm Cable for Incoming, 6 Nos of 1C x 4.0 Sq.mm Cable for Outgoing, 3 Nos of 1C x 10.0 Sq.mm Cable for Earthing of SPD, CABLE GLAND - 6 Nos of M16 Cable Gland for Incoming, 6 Nos of M16 Cable Gland for Outgoings, 3 Nos of M20 Cable Gland for Earthing of SPD , 2 Nos of DEW Guard with Fixing Tape, INTERNAL WIRING - 4.0 Sq.mm Cable from Negative & Positive Fuses to Isolator, 4.0 Sq.mm Cable from Isolator to Outgoing Terminal Block Connector, 6.0 Sq.mm Cable from Outgoing Terminal Block Connector to SPD etc. complete as required

OD190190/2023-2024:Supplying and fixing of following sizes of PVC wall trunking / duct system with base perforation, cable retaining clip, 1 Nos of insertable partitions etc. complete along with all accessories in surface/ recess including cutting the wall and making good the same in case of recessed installation as required. 60 X 110mm (Height X Width)

OD187434/2023-2024:Supply, installation, testing and commissioning of String Inverter at any combination of total output power of 33.3KW with necessary Anti - Islanding and IEC Certificates strictly as per the guidelines of KSEBL, Electrical Inspectorate, Central Electricity Authority etc. The Inverter shall have the specifications of Maximum DC Power (Module STC) 50KW, Maximum Input Voltage DC + to DC - 1000V, Operating Voltage 680V to 1000V DC, AC Voltage Range 320V to 478V (L-L), 184V to 264.5V (L-N), Frequency Range 50/60 Hz + or -5%, Maximum Continuous Output Current (Per Phase) 48.25A, Safety Compliance as per IEC 62109-1 & 62109-2, Operating Temperature of range - 40°C to + 60 °C, Outdoor and Indoor IP 65 Protection, , Input Side Disconnection, Device Ground Fault Monitoring, Grid Monitoring, DC Reverse Polarity Protection, DC Over Voltage or Current Limitation Protection, AC Short Circuit protection, AC Over Voltage or Current Limitation Protection, Cooling Fan, Noise less than 62dBA, LAN / WAN / WIFI Options along with remote access facility etc. complete as required.

OD189893/2023-2024:Supply, laying, testing and commissioning of 1.1kV Grade Flame Retardant Low Smoke (FRLS) or Heat Resistant and Flame Retardant (HRFR) PVC insulated copper conductor multi core cables of the following sizes conforming to IS: 694 and laying through wiring ducts using cable ties, cable trays using cable ties or clamps, clamping through walls using Aluminium Strip / spacer saddles etc. complete as required. 4C X 25 Sq.mm

OD189894/2023-2024:Supply, laying, testing and commissioning of 1.1kV Grade Flame Retardant Low Smoke (FRLS) or Heat Resistant and Flame Retardant (HRFR) PVC insulated copper conductor single core cables of the following sizes conforming to IS: 694 and laying through wiring ducts using cable ties, cable trays using cable ties or clamps, clamping through walls using Aluminium Strip / spacer saddles etc. complete as required. 1C X 25 Sq.mm

OD190612/2023-2024:Supply of superior quality copper sockets (pin / banana / palm / ring) for each core of the following size of copper conductor cable including crimping etc. as required. 25 mm

OD189029/2023-2024:Supply, installation, testing and commissioning of Wall Mounting AC Distribution Board made of Thermoplastic Polycarbonate Glass Fiber Reinforced material for 415V, 3 Phase, 4 wire, 50Hz AC supply system having Design Standard according to IEC 60 364-7-712 & IEC 61439 -1&2, Design Temperature of 50°C, IP 65 Degree of Protection (EN 60529), RAL 7035 (Self Finish Grey) Finish shade for enclosure with all components and connections including cable, lugs, sleeves, ferrules, screws and other necessary accessories. The main components shall be for INTERNALS - 1 Nos of 63A 25kA 4P MCCB having 70 to 100% Setting Provision with ROM & Spreader Terminals, 1 Nos of Surge Arrester Type I + II 400V AC, 1 Set of RYB Indication Lamps with Control MCBs, CABLE SIZE - 1 Nos of 3.5C up to 70 Sq.mm A2XFY Cable for Incoming, 1 Nos of 3.5C up to 70 Sq.mm A2XFY Cable for Outgoing, 1 Nos of 1C x 16.0 Sq.mm Cable for Earthing of SPD, CABLE GLAND - 1 Nos of 3.5C up to 70 Sq.mm A2XFY Cable for Incoming, 1 Nos of 3.5C up to 70 Sq.mm A2XFY Cable for Outgoing, 1 Nos of M20 Cable Gland for Earthing of SPD , 2 Nos of M16 Cable Gland for Earthing, INTERNAL WIRING - 16.0 Sq.mm Cable from MCCB to SPD etc. complete as required

90.12.7.29:Supply, laying and clamping of 1 no. PVC insulated and PVC sheathed armoured aluminium power cable, 1.1 KV grade of the following sizes using clamps noted along with the cables, spacing of clamps not exceeding 60cms, making good the damages , colour washing etc. as required.3.5 core 50 sq mm with factory made clamp

9.1.22:Supplying and making end termination with brass compression gland and aluminium lugs for following size of PVC insulated and PVC sheathed / XLPE aluminium conductor cable of 1.1 KV grade as required.3 1/2 X 50 sq. mm (35mm)

OD189463/2023-2024:Supply and providing gland earthing using Gland Earthing Clips / Clamps for following size of PVC insulated and PVC sheathed / XLPE Aluminium conductor cable of 1.1 KV grade as required 3 1/2 X 50 Sq. mm

OD189233/2023-2024:Supply, installation, testing & commissioning of Wall Mounting Type Cubicle type Solar Metering Panel suitable for 415V, 3 Phase, 4 wire, 50Hz AC supply system having sufficient front surface area fabricated in compartmentalised design from CRCA sheet steel of 2mm thick for frame work, covers and gland plates cleaning & finishing complete with 7 tank process for powder coating in approved shade, having 100 Amps capacity extensible type TPN Aluminum alloy bus bars of high conductivity, DMC / SMC / FRP bus bar supports, fabrication shall be done in transportable sections, entire panel shall have a common copper earth bar of size 25 mm x 3 mm at the rear with 2 Nos. earth stud, solid connections from main bus bar to switch gears with required size of AL. bus bars and control wiring with 1.5/2.5 Sq. mm. PVC insulated FRLS copper conductor cables, cable alleys etc. with 1 Nos of Three Phase LT TOD CT Operated Energy Meter (Fixing Provision), 4 Nos of 100/5A 5VA CL:0.5S Resin Cast CT (Fixing Provision), 1 Nos of 63A 25kA 4P MCCB having 70 to 100% setting provision with ROM and Spreader terminals, 1 Nos of 63A/100A 4P AC3 Contactor with Auxiliary Contacts, 1 Set RYB Indication Lamps with Control MCBs, 1 Nos of Digital Phase Failure Relay with Control MCBs, 1 Nos of Key Operated 2/3 Way Selector Switch, 1 Nos of Reverse Power Relay with Control MCBs and 1 Nos of 400/5A 15VA CL:1 Resin Cast CT installed at Incomer Side of GSB Panel or of other required rating installed at the downstream of GSB Panel etc. complete with wiring and connections as required. There shall be KSEBL Sealing provision for both the Energy Meter and CT Compartment. The panel shall conform to Electrical Inspectorate & KSEBL standards and it shall only be manufactured after getting approval from SPV and Electrical Inspectorate. The scope also includes the supply and installation of 1 Nos of Three Phase LT TOD CT Operated Energy Meter, 4 Nos of 100/5A 5VA CL:0.5S Resin Cast CT, 1 Nos of Phase Failure Relay, 1 Nos of Digital Reverse Power Relay, 1 Nos of 400/5A 15VA CL: 1 Resin Cast CT or of other required rating after getting it duly tested from KSEBL / TMR / Electrical Inspectorate. (All statutory fees shall be remitted by the client/consumer or it shall be reimbursed on the submission of supporting documents)

OD190908/2023-2024:Shunt Release for the existing 63A 25KA 4P MCCB with wiring etc. complete as required

OD190987/2023-2024:Supply, installation, testing and commissioning of Red Mushroom Head Emergency Stop Switch Push Button with Enclosure etc. complete as required

OD189850/2023-2024:Supply, laying and clamping of 1 no. PVC insulated and PVC sheathed armoured copper power cable, 1.1 KV grade of the following sizes using clamps noted along with the cables, spacing of clamps not exceeding 60cms, making good the damages , colour washing etc. as required.4 core 2.5 sq mm with factory made clamp

OD189855/2023-2024:Supplying and making end termination with brass compression gland and copper lugs for following size of PVC insulated and PVC sheathed / XLPE copper conductor cable of 1.1 KV grade as required. 4 X 2.5 sq. mm

OD189876/2023-2024:Supply and providing gland earthing using Gland Earthing Clips / Clamps for following size of PVC insulated and PVC sheathed / XLPE Copper conductor cable of 1.1 KV grade as required 4 X 2.5 Sq. mm

OD189852/2023-2024:Supply, laying and clamping of 1 no. PVC insulated and PVC sheathed armoured copper power cable, 1.1 KV grade of the following sizes using clamps noted along with the cables, spacing of clamps not exceeding 60cms, making good the damages , colour washing etc. as required.2 core 2.5 sq mm with factory made clamp

OD189867/2023-2024: Supplying and making end termination with brass compression gland and copper lugs for following size of PVC insulated and PVC sheathed / XLPE copper conductor cable of 1.1 KV grade as required. 2 X 2.5 sq. mm

OD189877/2023-2024:Supply and providing gland earthing using Gland Earthing Clips / Clamps for following size of PVC insulated and PVC sheathed / XLPE Copper conductor cable of 1.1 KV grade as required 2 X 2.5 Sq. mm

OD188742/2023-2024:Supply, installation, testing and commissioning of ISI Marked Nickel Sealed Copper Bonded 16mm dia, 1m long Vertical Air Termination Rod with Tinned Spike and Nylon Insulated Base manufactured strictly in accordance with latest International, Indian Standards and Regulations. The material shall have the specifications of Base Material Mild Steel, Coating Material 99.9% Pure Electrolytic Copper, Coating Thickness 100 microns, 1 Nos of Tinned Copper Bonded Spikes, Tin Coating on Spikes 10 microns, Insulated Base Material Nylon etc. conforming to IS/IEC 62305-3:2010, IEC 62561-2:2018 complete as required.

OD188635/2023-2024:Supply, laying, testing and commissioning of 50.0 Sq.mm single core flexible Aluminium conductor cable designed to withstand the demanding environmental conditions that arise in any fixed, mobile, roof or architecturally integrated Photovoltaic Lightning Protection System through the existing conduit with all necessary accessories. The cable shall have the specifications of Base Material Aluminium in accordance with IS/IEC 62305-3:2010, Diameter of each strand 8mm, Insulation Material PVC Compound with UV Resistant, Nominal Insulation Thickness 2mm, DC Conductor Resistance at 20°C 0.641 Ohms/Km, Insulation Resistance Constant at 20°C (Min) 36.70 M.Ohm/Km, HV Test Core to Water 10Kv for 5 minutes etc. complete as required

OD192231/2023-2024:Supply of superior quality Aluminium palm socket for 50.0 Sq.mm single core flexible Aluminium conductor cable including crimping, giving connections to the existing GI Strip by drilling holes after finishing the surface as Electrical Inspectorate standards using SS nuts, bolts, round & spring washer etc. complete as required

OD188219/2023-2024:Supply and providing earthing with ISI Marked Nickel Sealed Copper Bonded 20mm dia, 3.0 metre long Rod having 250 microns coating thickness with T clamp including accessories, and providing masonry enclosure with cover plate having locking arrangement etc. with sufficient earthing compound as required

OD190412/2023-2024:Supply and laying of the following sizes of Medium Class (B Class) GI pipe 0.50 metre below the ground with fittings etc. complete as required. Up to 25mm

90.16.1.4:Supply and drawing bare earthing conductors of the following sizes along with wiring/ cables and giving connection as required4.00 mm copper conductor ( 8 SWG)

90.16.1.3:Supply and drawing bare earthing conductors of the following sizes along with wiring/ cables and giving connection as required3.15 mm copper conductor ( 10 SWG)

OD190596/2023-2024:Supply, installation, testing and commissioning of Tinned Stainless Steel Earth Bench/Terminal Strip of 8 Poles manufactured in accordance with IS/IEC 62305-3:2010 and IEC 62561-2:2012 with screws, nuts, bolts, round and spring washers etc. The Terminal Strip shall have the specifications of minimum Width 25mm, Thickness 4mm, insulations provided at mounting ends etc. complete as required

90.16.5.4:Supply of superior quality copper earth socket for the following size of earth conductor including crimping etc. as required.4.00 mm (8 SWG)

90.16.5.3:Supply of superior quality copper earth socket for the following size of earth conductor including crimping etc. as required.3.15 mm (10 SWG)

OD190161/2023-2024:Supply, installation, testing and commissioning of Antenna used to the connect the Inverter to the monitoring platform via Wi-Fi or ZigBee wireless communication. The Antenna shall have the specifications of Frequency Range 2.4-2.5GHz, Gain (Max) 5dBi, Beam Width – Horizontal 360 Degrees, Beam Width – Vertical 30 Degrees, Maximum Input Power 5W, VSWR 2.1:1, Polarization Linear, Impedance 50 Ohm, Radiation Omni Directional, Antenna Type Co-linear Dipole, Antenna Design Dipole Array, Application Indoor / Outdoor, Operating/Storage Temperature -40 to +185 / -40 to +85, Storage Humidity 10% to 90% non-condensing, Operating Humidity 5% to 90% non-condensing, Cable RG316, Connector RP SMA + Right Angle Adapter, Internal Material PCB + spring etc. complete as required

OD192229/2023-2024:Supply, installation, testing and commissioning of periodical PV Module cleaning pipe line system using 25mm CPVC SDR 11 Pipe with all necessary accessories etc. complete as required

OD188280/2023-2024:Supply and installation of Three Phase 4 Wire LT CT Operated Bidirectional Net Meter strictly conforming to the relevant KSERC, KSEBL and Electrical Inspectorate standards. The Energy Meter shall have the specifications of Accuracy Class of 0.5S as per relevant IS and IEC Standards, Rated Voltage 3 x 240V (P-N), Voltage Variation -40% to +20%, Current Rating -/5A, Starting Current 0.1% of basic current, Accuracy up to 200% of basic current, Frequency 50Hz, Frequency Variation -5% to +5%, Power Consumption As per IS 14697, Operating Temperature -10°C to +55°C, Ingress Protection IP 51, LCD 8 digit backlit display, LED Pulse LEDs for kWh and kVArh, 4 quadrant measurement of kWh, kVArh and kVAh, Maximum Demand kW and kVA along with date and time, Anti-tamper features, Self-diagnostic capability, Multiple tariff / Time of day feature, Bidirectional Energy recording, , Load Survey (Interval Data) features, Up to 12 reset backups, Optical port/RS 232 / RS 485 / IR / IrDA / RF (2.4 GHz/865-867 MHz) etc. complete as required. The scope also includes the testing of Energy Meter from KSEBL / TMR / Electrical Inspectorate. (All statutory fees shall be remitted by the client/consumer or it shall be reimbursed on the submission of supporting documents)