Different Types Of Repair And Maintenance Work In Tower- 1 Installation Of New Vhf Aerials Withgalvanizedtwo Clamps ( Specification: 2 Feet Long X 1 Inch 4 Mm Thick With 4 Holes ) And Fitted With Galvanized Wire ( Singlecore ) 2 For 40 / 50 / 60 /, Kolkata-West Bengal

Different Types Of Repair And Maintenance Work In Tower- 1 Installation Of New Vhf Aerials Withgalvanizedtwo Clamps ( Specification: 2 Feet Long X 1 Inch 4 Mm Thick With 4 Holes ) And Fitted With Galvanized Wire ( Singlecore ) 2 For 40 / 50 / 60 / 75 Ft Trilon Mast / Pipe Mast / Mono Pole Tower / Ss Tower 3 For100 Ft / 120 Ft 150 Ft Trilon Mast / Ss Tower 4 For200 / 250 Ft Ss Tower 5 Replacement Of Vhf Aerials 6 For 40 / 50 / 60 / 75 Ft Trilon Mast / Ss Tower / Pipe Mast / Mono Pole Tower 7 For100 Ft / 120 Ft / 150 Ft Trilon Mast / Ss Tower 8 For 200 / 250 Ft Ss Tower 9 Changing / Fixing Of Single ( 01 Number ) Guy Rope With Materials ( Specification: Guy Rope – 6 Mm + 2 Mm Coating 6 X 7 S.C. ( Multi Core ) Reputed Make, D-Shackle - Galvanized 3 Inch Long X 10 Mm Thick, U-Bolt -30 Mm Long X 4 Mm Thick, Strainer - 12 Inch Long X 12 Mm Thick ) 10 From 20 Ft Height To Ground Level Anchor. ( 01 Number ) 11 From 40 Ft Height To Ground Level Anchor. ( 01 Number ) 12 From 60 Ft Height To Ground Level Anchor. ( 01 Number ) 13 From 75 / 80Ft Height To Ground Level Anchor. ( 01 Number ) 14 From 100 Ft Height To Ground Level Anchor. ( 01 Number ) 15 Changing / Fixing Of Allguy Ropesfrom 20 Ft To End Of Tower For 40 Ft -09 Nos, 50Ft-12 Nos & 60 Ft 15 Nos ( Total One Unit ) With All Guy Foundation Repair & Replace Materials ( Specification: Guy Rope – 6 Mm + 2 Mm Coating 6 X 7 S.C. ( Multi Core ) Reputed Make, D-Shackle - Galvanized 3 Inch Long X 10 Mm Thick, U-Bolt -30 Mm Long X 4 Mm Thick, Strainer - 12 Inch Long X 12 Mm Thick ) 16 For 40 / 50 / 60 Fttrilon Mast / Pipe Mast 17 Changing / Fixing Of Allguy Ropes From 20 Ft To End Of Tower For 75Ft -18Nos & 100 Ft 21 Nos ( Total One Unit ) With All Guy Foundation Repair & Replace Materials Materials ( Specification: Guy Rope – 6Mm + 2 Mm Coating 6 X 7 S.C. ( Multi Core ) Reputed Make, D-Shackle - Galvanized 3 Inch Long X 10 Mm Thick, U-Bolt -30 Mm Long X 4 Mm Thick, Strainer - 12 Inch Long X 12 Mm Thick ) 18 For 75 Ft / 100 Ft Trilon Mast 19 Installation Of New Aviation Lamp ( Inclusive Of New Aviation Lamp Andnew Wire With Pvc Pipe ) With Materials ( Specification: Hg Wire Two Core 1.5 Copper Wire, Covering Pvc Pipe Upto Switch Board , Lamp – Low Intensity “Model L1-90 Conforming To Icao Type A” Fixed Red Led Aviation Obstructing Light Designed Initial Intensity 15-18 Cd Life 10, 000 Hours ( Warrantee 01 Year ) 20 60 / 75 Ft Trilon Mast / Ss Tower 21 For 100 / 120 / 150 Ft Trilon Mast / Ss Tower 22 For 200 / 250 Ft Ss Tower 23 Repairing / Replace And Installof Aviation Lamp& Hg Wire 2 Core 1.5 Copper Wire . Covering Pvc Pipe Inclusive Of All Materials ( Lamp & Wire Also Upto Switch Board , If Required ) ( Warrantee 06 Months ) 24 60 / 75 Ft Trilon Mast / Ss Tower 25 For 100 / 120 / 150 Fttrilon Mast / Ss Tower 26 For 250 Ft Ss Tower 27 Changing / Fixing / Replace And Installof Lightning Arrester & Earthing ( Lightening Arrester 1200 Mmgi Rod With 5 Prongs, Dia 15 Mm , 4Swggi Wire Top To Ground, For Earthing 3000 Mmgi Pipe , Dia 50 Mm, Thickness 3.64 Mmemblem Tata Medium Gi Pipeincluding Roof Top Tower Also ) See Annexure-Iv 28 For 40 / 50 / 60 Ft / 75 Ft / 100 Fttrilon Mast / 3 Legstower / Pipe Mastroof Top Also 29 Changing / Fixing / Replace And Installof Lightning Arrester & Earthing ( Lightening Arrester 1500 Mmgi Rod With 5 Prongs, Dia 15 Mm , Connecting Strip 20 Mm X 3 Mm All Through The Each And Every Joint Junction Should Be Soldered Fromtop To Ground, For Earthing 3000Mmgi Pipe , Dia 50 Mm, Thickness 3.64 Mmemblem Tata Mediumgi Pipe As Per Diagram ) See Annexure-V 30 For 100 Ft / 120 Ft4 Legs Ss Tower 31 For150 Ftss Tower 32 For 250 Ft Ss Tower 33 Painting With All Materials: ( I ) Cleaning Of Rust And Rubbing Of Full Area. ( Ii ) Nut-Bolts Should Be Checked Properly Before Painting ( Iii ) One Coat Of Primer And Two Coats Of Enamel Paint ( Iv ) Primer – Red Lead ( Make Murarka ) ( V ) Paint – Asian / Berger ( White And Deep Orange ) And Also Cleaning The Tower Surrounding Area . 34 For 40 / 50 Ft Trilon Mast / Ss Tower ( 3 Legs ) / Pipe Mast 35 For 60 / 75 Ft Trilon Mast / Ss Tower ( 3 Legs ) / Pipe Mast 36 For 100 Ft Trilon Mast 37 For 75 Ft Ss Tower ( 4 Legs ) 38 For 100 Ft / 120 Ft Ss Tower 39 For 150 Ft Ss Tower 40 For 200 / 250 Ft Ss Tower 41 Dismantling Of Existing Tower 42 40 / 50 / 60 / 75 Ft Trilon Mast. / Pipe Mast / Mono Pole Tower / Ss Tower ( 3 Legs Only ) 43 100 Ft Trilon Mast 44 75 Ft Ss Tower ( 4 Legs ) 45 100 Ft Ss Tower ( 4 Legs ) 46 120 Ft Ss Tower ( 4 Legs ) 47 150 Ft Ss Tower ( 4 Legs ) 48 250 Ft Ss Tower ( 4 Legs ) 49 Repairing / Replacement Of Ladder With Paintingby Iron Angle ( Four Sides ) Of Ss Tower Per Meteras One Unit Any Place From Ground To Top Of The Tower ( With All Materials ) 50 Ss Towerladder Repairing All Sides & Heights Up To 250 Ftrate ( Per Meter All Sides ) 51 Total Repairing / Replacement Of 01 ( One ) Base & 03 ( Three ) Guy Foundation Including Materials , Total1+3=4 ( Four ) Nos As One Unit , ( Completeall Foundations ) With 5 Ftiron Angel Also ( With A Hole ) 52 40 / 50 / 60 Ft Trilon Masts / Pipe Mast 53 75 / 100 Ft Trilon Masts 54 Repairing / Replacement Ofonly The Base Foundation Including All Materials 55 40 / 50 / 60 Ft Trilon Masts / Pipe Mast 56 75 / 100 Ft Trilon Masts 57 Repairing / Replacement Ofonly 01 ( One ) Guy Foundationwith5 Ftgalvanizediron Angel ( With A Hole ) 58 40 / 50 / 60 Ft Trilon Masts / Pipe Mast ( Only One ) 59 75 / 100 Ft Trilon Masts ( Only One ) 60 Increasing The Height Of The Existing Tower With Ladderper 10 Feet With Earthing Wires & Lightening Arrester, 04 ( Four ) Nos Aerial Installationincludingall Materials / Guy Wires & Painting, Installation Of03 ( Three ) Nos New Guy Foundationwith5 Ftgalvanizediron Angel ( With A Hole ) For Trilon Mast / Pipe Mast With Accessories . 61 40 / 50 / 60 Ft Trion Mast / Pipe Mast ( 10 Ft ) With Extra 3 Guy Foundation ( 5 Ft Angel Also ) 62 75 / 100 Ft Ss Tower ( 10 Ft ) 63 Basefoundation Repairing Of Ss Towers ( Only 01Leg ) Including All Materials Withtower Painting 3Ft Only ( 4Ft X 2Ft X 2Ft Concreteand Covered By A Brick Wall On All Sides Finishing With Red Colour ) 64 75 Ft / 100 Ft Ss Tower ( Only 01Leg ) 65 120 Ft / 150 Ft Ss Tower ( Only 01Leg ) 66 250 Ft Ss Tower ( Only 01Leg ) 67 Thorough Repairing And Painting Of Damaged Trilon Mast / Pipe Mast & Self Supported Tower ( Ss Tower ) With All Materials And Labour Charges ( Including Repairing Of All Base Foundation ( 4Ft X 2Ft X2ft Concrete ) And Super Structure Properly With Ligntening Arrester And Earthing Also. 68 40 / 50 / 60 Ft Trilon Masts / Pipe Mast 69 75 / 100 Ft Trilon Masts 70 For 40 / 60 Ft Ss Tower 71 For 75 Ft Ss Tower 72 For 100 Ft Ss Tower 73 For 120 Ft Ss Tower 74 For 150 Ft Ss Tower 75 For 250 Ft Ss Tower

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