Rubber Lining Repair Works Butyl In Phosphoric Acid Day Tank D 10 M Dia . At Np Plant , Fact Cd . , Rubber Lining Repair Works ( Butyl ) In Phosphoric Acid Day Tank D [ 10 M Dia . ] At Np Plant , Fact Cd . , Rubber Lining Of Day Tank D At Np Plant , With Pre-Vulcanized Butyl Rubber Calendared Sheets To A Thickness Of 12 Mm . Work Involves: Pre-Vulcanized Butyl Rubber Calendared Sheets 6 Mm Thick Suitable For Cold Bonding , With Required Adhesives , Solvents , Curing Agent Etc . Shall Be Supplied . Packing , Forwarding , Transportation , Loading / Unloading And Storage At Fact Cd Site , Ambalamedu , Kochi Shall Be Done . Surface Preparation Shall Be Done By Shot / Grit Blasting With Proper Cleaning . Rubber Lining / Application Shall Be Done With Pre-Vulcanized Butyl Rubber Calendared Sheets To A Thickness Of 12 Mm In Two Layers Of 6 Mm Thick Each By Cold Bonding Method On Bottom Plate And Shell Plate Up To 1 Metre Height From Bottom , Including Manholes , Nozzle Pipes And Flanges On Phosphoric Acid Day Tank D At Np Plant , Fact Cd As Per Scope Of Work Detailed In Special Conditions Of Contract , General Conditions Of Contract And Specification Sheets Attached . Cold Bonding , Curing , Inspection , Testing , Site Supervision , And Safety Requirements Shall Be Done As Per Attached Specification Sheet No . 030B Of Fact -Cd . , Rubber Lining Of Day Tank D At Np Plant , With Pre-Vulcanized Butyl Rubber Calendared Sheets To A Thickness Of 06 Mm . Work Involves: Pre-Vulcanized Butyl Rubber Calendared Sheets 3 Mm Thick Suitable For Cold Bonding , With Required Adhesives , Solvents , Curing Agent Etc . Shall Be Supplied . Packing , Forwarding , Transportation , Loading / Unloading And Storage At Fact Cd Site , Ambalamedu , Kochi Shall Be Done . Surface Preparation Shall Be Done By Shot / Grit Blasting With Proper Cleaning . Rubber Lining Repair Works / Application Shall Be Done With Pre-Vulcanized Butyl Rubber Calendared Sheets To A Thickness Of 06 Mm In Two Layers Of 3 Mm Thick Each By Cold Bonding Method On Shell Plate Inside Above 1 Metre Height From Bottom Including , Inside Roof Area , Manholes , Nozzle Pipes And Flanges On Phosphoric Acid Day Tank D At Np Plant , Fact Cd As Per Scope Of Work Detailed In Special Conditions Of Contract , General Conditions Of Contract And Specification Sheets Attached . Cold Bonding , Curing , Inspection , Testing , Site Supervision , And Safety Requirements Shall Be Done As Per Attached Specification Sheet No . 030B Of Fact -Cd .