Modification of Process piping erection work

Amount

Radiographic quality butt welding of stainless steel pipes & pipe fittings of different size (from 8mm NB to 150mm NB) by GTAW process 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 as per relevant standards and attached tender technical specifications.

Erection and commissioning of SS304L Piping in sizes from 8 mm NB to 150 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, identification of all materials, taking delivery of the same from departmental stores, complete handling, transportation, detergent washing, pickling & passivation, 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.

Taking delivery from stores, transporting, handling, erection, supporting/anchoring and installation of equipment/assemblies such as storage tanks, Heat exchanger, furnace assemblies, seal pots, IFCPs, airlift & density pots and other process equipments, pumps, valves and flexible pipes etc.

Fabrication, supply, erection and installation of SS304L structural support members using raw materials in form of plates, beams, channel & angles by deploying GTAW and using SS304L material in thickness 3 mm to 10 mm as per tender technical specification where it also covers shearing, cutting, fixing, welding, tacking, dimensional checking etc. of all such supports to the existing EPs or other structural members including RCC walls.

Fabrication and supply of SS304L structural support members utilizing raw materials in form of plates, beams, channel & angles etc.

Erection and installation of SS304L structural support members 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.

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

Fabrication & Supply of SS cladding materials with anchor fasteners for cladding with 1.6mm/3mm thick SS304L plates as per tender technical specification.

Erection and Installation of 1.6/3.0 mm thick SS304L sheets which covers fixing of supports with staging members and wherever required, welding to existing EPs or by anchor fasteners, shearing, cutting, fixing, welding, tacking, dimensional checking, testing etc as per tender technical specification.

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

Fabrication, machining, non-destructive testing (including Radiography for all but welds), inspection at vendor’s site and safe delivery of special critical equipment i.e. Mixer Settler as per attached tender technical specifications.

Supply of SS304 Plug Valves of following sizes including respective no. of SS nut bolts and PTFE gaskets-

8NB Plug valves

15NB Plug valves

20NB Plug valves

25NB Pug valves

Supply of SS304 Non-Returning Valves of following sizes including respective no. of SS nut bolts and PTFE gaskets-

8NB Wafer/Disc check Non-returning valves (Three-piece type)

15NB Wafer/Disc check Non-returning valves (Three-piece type)

20NB Wafer/Disc check Non-returning valves (Three-piece type)

25NB Wafer/Disc check Non-returning valves (Three-piece type)

Supply of SS304 Butterfly Valves of following sizes including respective no. of SS nut bolts and PTFE gaskets-

Supply of SS304Globe valves with following sizes including respective no. of SS nut bolts and PTFE gaskets-

Supply of SS304 Ball valves with following sizes including respective no. of SS nut bolts and PTFE gaskets-

8NB (threaded end)

Supply of Flexible Pipe SS304L breaded with flanged end both side 2meter long for following sizes:-

MRR ENGINEERS