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Supply Of General Maintenance Stores : - 147 Punched Tape Concertina Coil ( Including Spike And Handle ) With 50 Turns And Dia 1050 Mm, Having A Core Wire Of High Carbon Spring Steel Of High Tensile Strength. The Punched Tape And Core Wire Are Electro Galvanised To Provide Protection Against Out Door Exposure. The Punched Tape Is Mechanically Crimped Over The Core Wire And Then Formed Into A Coil At Various Parts Of The Periphery Of The Coil; Steel Clips Connect The Individual Turns Of The Coil To Each Other So That It Opens Up Like An Accordion. The Width Of Barbed As 9 Mm And Spacing Of Clips 23.5 Mm To 24.5 Mm C / C. The Weight Of Each Coil Will Be 15.2 ( + 5% ) Kgs Without Packing Material And Coil Length 15 Mtr When Opened Up. Each Coil Wound With Bituminised Hessian Cloth For Providing Protective Coating As Per Specification No Ind / Eng / Prov / 1245 / Is For Raw Material And Drawings Imga-0112 / B ( Sheet 1 Of 2 ) , Imba – 0112 / C ( Sheet 2 Of 2 ) , Impd – 1817 / B, Impd – 1820, Impd – 1821 / B And Impd – 1822 / B. 148 Barbed Wire 2.24Mm Dia, Minimum Length Of 450 Mtr In 50 Kgs Of Roll, Galvanized Barbed Wire Shall Be Of 2 Strands Conforming To Is 278-1978. It Shall Consist Of 2 Line Wires Of 2.24Mm Dia With Dia Of Barbs 2Mm At 75Mm Centre To Centre. The Barbs Shall Have A Length Not Less Than 13 Mm And Not More Than 18Mm With Sharp Points. The Line And Point Wires Shall Be Circular In Section, Free From Scales And Other Defects And Shall Be Uniformly Galvanized. The Line Wire Shall Not Contain Any Welds And Be Continuous.