Tenders for Supply Installation Testing And Commissioning Of Maintenance Free Earthing, Concentric Pipe Electro De-80/40Mm Dia, And 3000 Mm Long For Earthing Of Electric Equipment With Gi Strip/Wire/Hardware & All Connectio Ns As Per Rdso Draft. - Draft/Rdso/ Pe/Spec/Ps/0109-2008 Rev.0 Amdt.?2? With Latest Modifications A S Per Attached Estimate And Scope Of Work. Warranty Period: 30 Months After The Date Of Delivery