tender for rubber lining of digestion vessel-02 at pa plant , fact cd . , tender for rubber lining of digestion vessel-02 at pa plant , fact cd . , rubber lining with pre-vulcanized butyl rubber sheets to a thickness of 05 mm . work involves: pre-vulcanized butyl rubber sheets of 2 . 5mm thick suitable for cold bonding , with required adhesives , solvents , curing agent etc . shall be supplied . packing , forwarding , transportation , loading / unloading and storage at fact cochin division site , ambalamedu , kochi shall be done . surface preparation shall be done by shot / grit blasting with proper cleaning . scaffolding arrangement required for surface preparation and rubber lining shall be arranged by the contractor . rubber lining / application shall be done with pre-vulcanized butyl rubber sheets to a thickness of 05mm in two layers of 2 . 5mm thick each by cold bonding method on inside complete of digestion vessel 02 including shell , bottom plate and roof area and also including all the dummies , nozzles , flanges , manholes , of digestion vessel 02 in phosphoric acid plant at fact cd , ambalamedu , as per scope of work detailed in special conditions of contract , general conditions of contract and specification sheets attached . sufficient overlap shall be given at all areas . 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 with pre-vulcanized natural rubber calandered sheets to a thickness of 2 . 5 mm . work involves: supply of pre-vulcanized natural rubber calandered sheets 2 . 5mm thick suitable for cold bonding , with required adhesives , solvents , curing agent etc . packing , forwarding , transportation , loading / unloading and storage at fact cochin division site , ambalamedu , kochi shall be done . surface preparation shall be done by shot / grit blasting with proper cleaning . scaffolding arrangement required for surface preparation and rubber lining shall be arranged by the contractor . rubber lining / application shall be done with pre-vulcanized natural rubber sheets to a thickness of 2 . 5mm with single layer sheet of 2 . 5mm thick each by cold bonding method on outside of dv 02 comprising of shell and roof area complete in phosphoric acid plant at fact cd , ambalamedu as per scope of work detailed in special conditions of contract , general conditions of contract and specification sheets attached . sufficient overlap shall be given . cold bonding , curing , inspection , testing , site supervision , and safety requirements shall be done as per attached specification sheet no . 030a of fact -cd .