Supply of Safety Chain To Be As Per Is 3076:1984 Grade T 8 Or Latest. The Specifications As Issued By Rds O Attached In Nit Are To Be Adhered To In Their Entirety Except That The Nominal Size Thickness Of The Short Link Chain Is To Be 13 Mm +/- 0.5Mm To 14 Mm +/- 0.5 Mm And Long Links At Ends With Ring/Suitable Locking Arrange Ment For Padlocking Is To Be Of The Length Of 4.5 Meters. Further, The Length Of The Short Link Chains Is To Be Kept At 50 Mm And Width At 35 Mm. These Are Electrically Welded Round Steel Short Link Chains, Fully Heat Treated And Test Ed And Comply With The General Conditions Of Acceptance Of Iso 1834 Or Latest. The Sizes Range From 5 To 45 Mm . Based On User Requirement. The Steel Used Shall Be Produced By The Open Hearth Or Electric Process, Or By An Oxygen Blow Process. It Shall Be Steel Alloy. Marking Shall Be Done As Per Is 3076:1984 Grade T8 Or Latest. Sup Plier Shall Supply A Certificate Of Test And Examination Carried Out By The Government Owned Lab Or Nabl Approve D Labs With Every Supply Of Chain. There Should Be Name Of The Chain Maker, Grade Of Material, Size Of Chain, Iden Tification Marking, Proof Force Applied To The Whole Chain. No. Of Test Sample Taken, Breaking Force Of Each Sample, Total Ultimate Elongation At Fracture, During Manufacture The Heat Treated Chain Shall Be Subjected To Force Of 60 % Of The Minimum Breaking Force. Warranty Period: 30 Months After The Date Of Delivery
