Modification, Maintenance, Fabrication, Erection works of SS304L piping followed by inspection and testing activities at In-Active, Active and Main process active cell areas of WIP and VWSF

Amount

Preparation of Isometric drawing wherever required, erection of new pipe lines along with their pipe fittings on permanent SS pipe support at Inactive area.

Preparation of Isometric drawing wherever required, erection of new pipe lines along with their pipe fittings on permanent SS pipe support at active area up to 50mR/Hr with Special Work Permit.

Preparation of Isometric drawing wherever required, erection of new pipe lines along with their pipe fittings on permanent SS pipe support at main process active cell area with Special Work Permit.

Detergent cleaning followed by Nitric acid cleaning of all SS304L pipes and pipe fittings.

Bending of SS304L pipes as per approved isometric drawing followed by LP examination & local passivation of pipe bend area.

Fabrication/welding of Butt/Nozzle pipe weld joints with GTAW process by using SS308L filler wire followed by LP examination of root & final welding & local passivation at Inactive area.

Fabrication/welding of Butt/Nozzle pipe weld joints with GTAW process by using SS308L filler wire followed by LP examination of root & final welding & local passivation at active area up to 50mR/Hr with Special Work Permit.

Fabrication/welding of Butt/Nozzle pipe weld joints with GTAW process by using SS308L filler wire followed by LP examination of root & final welding & local passivation at main process active cell area with Special Work Permit.

Fabrication & welding of flange / seal / fillet / socket weld joints with GTAW process by using SS308L filler wire followed by LP examination & local passivation at Inactive area.

Fabrication & welding of flange / seal / fillet / socket weld joints with GTAW process by using SS308L filler wire followed by LP examination & local passivation at active area up to 50mR/Hr with Special Work Permit.

Radiographic examination (10%) of all Butt weld joints with the help of X ray / Gamma ray technique at Inactive area.

Radiographic examination (10%) of all Butt weld joints with the help of X ray / Gamma ray technique at active area.

Radiographic examination of Butt weld joints with the help of X ray / Gamma ray technique at main active process cell area.

Supply, leveling of surfaces, drilling of holes on floor/wall and installation of M12 CS cinch anchors (HILTI make or Equivalent) at Inactive area.

Supply, leveling of surfaces, drilling of holes on floor/wall and installation of M12 SS cinch anchors (HILTI make or Equivalent) at active area up to 50mR/Hr with Special Work Permit.

Supply ,fabrication and erection of SS pipe supports and structural formation work from SS 304L sheets, plates, channels, angles etc. which involves acid cleaning/shearing/ bending/ forming and welding with GTAW followed by LP examination and weld joint local passivation at Inactive area.

Supply ,fabrication and erection of SS pipe supports and structural formation work from SS 304L sheets, plates, channels, angles etc. which involves acid cleaning/shearing/bending/ forming and welding with GTAW followed by LP examination and weld joint local passivation at active area up to 50mR/Hr with Special Work Permit.

Supply of CS plates & structurals material as per IS: 2062, fabrication of structural platforms , supports for equipment / piping work, welding by SMAW process with E7018 electrode, installation and painting followed by LP examination of all weld joints at Inactive area.

Supply of CS plates & structurals material as per IS: 2062, fabrication of structural platforms , supports for equipment / piping work, welding by SMAW process with E7018 electrode, installation and painting followed by LP examination of all weld joints at active area up to 50mR/Hr with Special Work Permit.

Cutting, Removal, Handling and safe disposal of old existing CS/SS pipes and Structural material at Inactive area.

Cutting, Removal, Handling and safe disposal of old existing SS pipes and Structural material at active area up to 50mR/Hr with Special Work Permit.

SS304L 3.0mm thick lining work over floor / walls at different inactive areas. This work includes Inspection/ survey of walls , floor & MS EPs,fabrication of new EPs if required, make them level for lining,making of drawing as per area to be lined, forming of sheets as per approved drawing, nitric acid cleaning of SS formed sheets followed by detergent cleaning,welding of lining sheet on the EPs provided on the floor/walls including plug hole,flush grinding of all weld joints, LP Examination for root & final welding, vacuume box testing and local passivation of all weld joints at Inactive area.

SS304L 3.0mm thick lining work over floor / walls at different inactive areas. This work includes Inspection/ survey of walls , floor & MS EPs,fabrication of new EPs if required, make them level for lining,making of drawing as per area to be lined, forming of sheets as per approved drawing, nitric acid cleaning of SS formed sheets followed by detergent cleaning,welding of lining sheet on the EPs provided on the floor/walls including plug hole ,flush grinding of all weld joints, LP Examination for root & final welding and local passivation of all weld joints at active area up to 50mR/Hr with Special Work Permit.

SS304L 1.5mm thick cladding work with GTAW welding by using SS309L filler wire over fabricated staging member followed by LP Examination of all welding joints & local pasivation. This work also includes detergent & nitric acid cleaning of 1.5 mm thick SS304L sheets, bending of sheets,welding followed by flush grinding if required etc.