Fabrication and installation of piping and equipment

Amount

GTAW Butt welding of stainless steel pipes & pipe fittings of different size using high purity Argon gas (99.995% min) for shielding & back purging, Liquid Penetrant Examination for root & final weld, local passivation of the weld joints as per approved procedure and technical specifications.

GTAW fillet Welding for all stainless steel pipelines using high purity Argon gas (99.995% min) for shielding & back purging where Liquid Penetrant Examination for root & final weld and final approval of these welds after pressure testing shall be carried out as per tender technical specification.

Radiography of Butt Welding joints as per relevant standards and attached tender technical specifications.

Erection, installation and commissioning of SS304L Piping in sizes from 8 mm NB to 200 mm NB [Job involves identification of piping spool/ nozzles of equipment, taking site measurements, incorporating the required changes in GA drawings, preparation & approval of pipe spool drawings prior to any fabrication activity, identification of all materials, taking delivery of the same from departmental stores, complete handling, transportation, cleaning, detergent washing, pickling & passivation, iron and chloride contamination checks, rinsing, marking, cutting of pipes and edge preparation,fabrication of SS pipe bends with 5D and more radius, fit-up, tack welding, alignment, line tagging, complete erection, preparation of as built drawings etc. and readying the same for GTAW welding as per approved spool drawings]. Pressure testing of all pipe lines & Embedded plugs during commissioning shall also be in the scope of the supplier.

Handling, shifting, transportation to designated, erection and installation of all process equipments and other assemblies such as off gas heaters, tanks, columns, furnace assemblies, different pots and other remote handling equipments etc inside the cell.

Supply of MS supports, Fabrication, erection and installation of Structural supports and cladding with1.6/3.0 mm thick SS304L sheets to support structure including anchor fasteners as per attached tender technical specification.

Supply of raw materials such as MS angles, plain & channels, beams , plates etc for Structural Supporting members.

Erection, installation and epoxy painting etc. of structural support members (box, angles, channel etc.) utilizing raw materials in form of plates, beams, channel & angles etc. where it also covers shearing, cutting, fixing, welding, tacking, dimensional checking, testing etc of all such supports to the existing EPs or other structural members including RCC walls.

Bending, Erection, Installation and welding of 1.6/3.0 mm thick SS304L sheets for cladding/lining works which covers fixing of MS Supports (ISMC50, 100, ISMC 150 etc.), welding to existing EPs or fixing by anchor fasteners, shearing, cutting, fixing, welding, tacking, dimensional checking, testing etc. as per tender technical specification. Supply of all anchor fastners shall be in the scope of the supplier.

Packing, supply and safe delivery of IGC practice -'A' & 'C' qualified SS 304L raw materials such as plates, boxes, angles, channels (of different thickness ) etc. for anchoring and lining/cladding works on the floor or Wall EPs or MS structures inside the cell.

Cleaning of IL bay including cells (12, 13 & 14) including repair, removal and reinstallation of damaged SS lining located on floor and wall as per tender technical specification. Quality assurance tests such as Dye Penetration test and Vaccum test etc. of all reinstalled/new/ refurbished SS lining of floor and wall of IL bay as per tender technical specification

Dismantling, sizing, packing and shifting of existing structures, piping, supports,equipments etc. in outcell area or sevice/operating galleries of WIP, Trombay

Maintenance, repair and modification/relocation of existing process equipments, valves, pumps and other process and remote handling gadgets etc. in radioactive area (inside the cell) as per tender technical specification.

M/s Associated Engineers

MRR ENGINEERS