Tender For Installation Of Lightning Arrester At Block Office Building, Kottayam-Kerala

Installation Of Lightning Arrester At Block Office Building , Installation Of Lightening Arrester , Od258940 / 2023-2024:Supply And Installation Of Lightning Arrestor Based On Solid Copper Air Terminal / Early Streamer Emission ( Ese ) .The Ese Shall Be Mounted At Least 2 M Clear To The Highest Flat Surface On Rooftop Andprotection Radius Of Min 35Mtrs Including Gi Mast, Frp Mast With La Base Terminal, Adaptor For Copper Strips Joining To Earth Conductor , Anchoring Rope If Required, And All Other Accessories , Od268930 / 2023-2024: Earthing With G.I. Earth Plate 600Mm X600 Mm X 6 Mm Thickwith Watering Pipe 1.7Metre Long And Test Joint Using 2 Nos , 25X3mm Gi Strip With Sufficient Drilled Holesminimumsize 25 Cm Suitably Shaped And Tightly Clamped To The Wateringpipeusing 25X6 Mm Steel Bolts Nut And Washerand Providing2 Nos, 20X3 Mm Gi Strip From Test Joint To Earth Platebottom Level Clamped At 2 Locations On The Plateand On The Test Jointbolted With Steel Bolts, Nuts Etc, Providing Gi Funnel Welded With The Watering Pipe And Makingmasonry Chamberbuilt With Bricks And Duly Plasterd And Providingcast Ironcover Plateetc Complete , 90.16.4.11:Supply And Clamping The Following Sizes Of Strips On Surface Of Wall / Parapet / Existing Cable Tray Using Clamps Fabricated From 20 X3 Mm Gi Flat Duly Painted Or Heavy Duty Gi Spacer Saddles, Spacing Of Clamps Not Exceeding 1 M , Making Good The Damages, Colour Washing Etc. As Required ( For Vertical Run ) .32 X 6 Mm Copper Strip , Od256374 / 2023-2024:Supply And Providing For Class B / Type 1 Spd For Three Phase To Neutral And Earth Ac Application ( 3+1 ) As Per Iec 61643-11. Per Pole Line To Neutral Ratings As Mentioned - Spark Gap Type With Nominal Voltage - 230V , 50 Hz, Continuous Operating Voltage Of 330 V , Lightning Impulse Current -50 Ka ( 10 / 350Μ Sec ) & Nominal Discharge Current - 50 Ka ( 8 / 20Μ Sec ) , Voltage Protection Level ≪0.9 Kv. For Neutral To Earth Ratings As Mentioned - Spark Gap Type With Nominal Voltage - 230V , 50 Hz, Continuous Operating Voltage Of 260 V , Lightning Impulse Current - 100 Ka ( 10 / 350Μ Sec ) & Nominal Discharge Current - 100 Ka ( 8 / 20Μ Sec ) , Voltage Protection Level ≪ 1.5 Kv Including Wires For Electrical Connection And Enclosure With Abs Material Body And Polycarbonate Window. , Od258281 / 2023-2024:Supply And Providing Type 2 Spd For Three Phase To Neutral And Earth Ac Application ( 3+1 ) As Per Iec 61643-11. Per Pole Line To Neutral Ratings As Mentioned &Ndash; Cartridge Type With Nominal Voltage - 230V , 50 Hz, Continuous Operating Voltage Of 275 V, Nominal Discharge Current - 20 Ka , Including Wires For Electrical Connection And Enclosure With Abs Material Body And Polycarbonate Window. , 90.16.1.5:Supply And Drawing Bare Earthing Conductors Of The Following Sizes Along With Wiring / Cables And Giving Connection As Required4.75 Mm Copper Conductor ( 6 Swg ) , 90.16.5.5:Supply Of Superior Quality Copper Earth Socket For The Following Size Of Earth Conductor Including Crimping Etc. As Required.4.75 Mm ( 6 Swg )

INR 555 /-

INR 3075.0 /-

INR 1.23 Lakhs /-