Bids Are Invited For Concertina Coil 1 70311000080422 Zal Coated Punched Barbed Tape Zinc Aluminium Coated Punched Barded Tapfence In Helix Coil Of 32 Inches Diameter (Before Stretch) With Additional Haf Turns At The Beginning And End & With Three Nos. O, Durgapur-West Bengal

Bids Are Invited For Concertina Coil 1 70311000080422 Zal Coated Punched Barbed Tape Zinc Aluminium Coated Punched Barded Tapfence In Helix Coil Of 32 Inches Diameter ( Before Stretch ) With Additional Haf Turns At The Beginning And End & With Three Nos. Of Ripper Horizontal Strad Fencing With Ss 304 Grade Turn Cl Ip Fixing Arrangement: Barb Wire Designeas Per Defense Specification Having Continuous Punched Blade Edged Barbs N Both Sides Of Cold Rolled Low Carbon Steel Tape With Larger Barbs Of Barlength Of 30.00 Mm, Barb Width Of 21.49 Mm, Centre Width Of 10.29 Mm, Ce Ntrto Centre Barb Spacing Of 50.00 Mm And Barb Angular Diameter Of 3.10 Mm Onlattened Strip Width.The Turn Clips With Overlappin G Joiningswith Minimum Sraigthened Length Of 25 Mm & Thickness Of Minimum 1.00 Mm The Substrate Fothe Punched Tape Should Conform To Astm A792 With Cold Rolled Low Carboconforming To Astm A 792 / A 792M With Special Anti Corrosive Aluminium Zinc Aloy Mass Coat Ing Along With Additional Fiwal Conversion Coating Treatmenfor Application Of Minimum 5 Micron Thick Pu / Epoxy Primer Coat And Fina L Pait Top Coat Of 15 Microns Of Green Shade And Having Chenical Composition Ofarbon-0.108 ( Max ) , Manganese- 0.60% ( Max ) ; Sulpher-0 .0358 ( Max ) , Phosphorous03% ( Max ) The Reinforcing Core Wire Of Minimum Diamater 2.5 Mm Should Be Hih Carbon & High Tensile Conform Ing To Is:4454-Part-1 Grade Sm With Tensile Rength Of Minimum 1680N / Mm2 And Heavy Coated Galvanized Variety With Minium 270 Gsm C Oating With Core Wire Material Having The Following Chemicalomposition: Carbons- 0.35-1.00; Manganese%:- 0.30-1.20: Silicon % : 0. 10-0.30, Slpher%: 0.030 ( Max ) ; Phosphorous8: 0.030 ( Max ) & Copper%:-0 . 20 ( Fax ) .The Threnos.Of Ripper Horozontal Tension Strands Will Also Be Of Similar Specificatin But The Barb Dimensions Will Be That Of Larger Ripper Profile Having Betteentangling Propert Ies As Per The Following Dimensions: Barb Length Of 60.0Mm Barb Width Of 31.30 Mm, Centre Width Of 8.00Mm, Centre To Centre Barb Spacing Of 100 Mm On Flattened Strip Width.The Fixing Of Theis Fence Will Inclue Providing Fixing Accssories Like Tensioner Anti Cut Mushroom Bolt Etc. 2 70311000080423 Non=Tamperable Ms Posts Ms Fencing Post Of Length 1200 Mm With Diameter O40 Mm ( Approx ) & Thickness Of 18 Swg ( Minm ) . Half Thread Long Bolt Will Be Inerted Through The Pipes After Making The Necessary Holes And The Pipe Will Tightly Packed With Pcc In Ratio 1:2:4 With 20 Mm Down Aggregate. Two Rodsf 10Mm Diameter Rnd Length 50Mm Will Pass Through Holes At The Bottom Ofhe Pipe To Prov Ide Extra Anchorage After Grouting. Two Nos. Of Pointed Ms Ullet Spike Of 10Mm Diameter Will Be Embedded In Pcc / Welded At The Top O F E Pipe To Prevent Any Trespasser From Taking Support Of The Pipe At The E Whole Material Will Be Coated With One Coat Of R Ed Oxide Primer And Oats Of Antocorrosive Paint Conforming To Is:158 To Provide Longevity Dded Protection Against Rust & C Orrosion , Including Making Pockets M X 150Mm X 300 Mm 0 In The Boundry Wall And Fiking The Fencing Posts With M15 Pcc With All Staging , Formwork Complete .

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