Incell Piping and Equipment installation for Front Blocks at INRP, NRB Tarapur

Collection of FIM, handling, transportation, storage, pickling & passivation, physical measurement, checking interferences, edge preparation, fit-up, vibro-etching for identification, installation & alignment on supports of SS304L pipelines, fittings, inline equipment like valves, Steam/ air ejectors, jack pots, foot pieces, float chambers, bellows, etc. at various elevations. This also includes preparation of fabrication drawings, supply of consumables, instruments, scaffoldings, setting up of fabrication shop, dimensional measurement, providing as built drawings, documentation, FIM accounting etc. as per technical specifications, drawings and as directed by EIC. Size of pipes involved are from 8NB to 450NB. Pipes ≤1" shall be considered as 1 Inch-meter.

Pipe size ranging from 8NB to 25NB

Pipe size ranging from 40NB and above

Radiography of Butt/Miter Joints using X-ray /Gamma ray at shop /site at various elevations. Arrangement of Radiography equipment, Gamma source, tools, safety gudgets, darkroom and pits at site. Supply of all consumables like films, chemicals etc. to carryout radiography as per approved procedure and technical specifications. Re-shoots, retake, repair and 3% audit radiography joints will not be counted for measurement. It also includes providing of digitized Radiographs as well as hard copy format along with other inspection reports.

Fillet/Flange welding of SS to SS and SS to MS material by GTAW process using ER308L/309L filler wires with argon purging/shielding including edge preparation, fit-up, LP examination on root and final passes, weld passivation, along with supply of all consumables and filler wires as per technical specifications. Pipes≤l" shall be considered as 1 Inch-dia.

Fillet welding of MS to MS structural material including edge preparation, fit-up, LP examination on root and final passes along with supply of all consumables and Electrodes/filler wires as per technical specifications.

Cold bending of SS 304L Pipes including cleaning, LP examination, profile checking, ovality, thinning and dimensional measurement as per technical specifications. Bending machine, dies and other consumables as required are in the scope of contractor. Pipe size ranging from 8NB to 50NB Pipes ≤1" shall be considered as 1 Inch-bend.

Supply, fabrication and installation of SS-304L identification tags along with holding rings of size 100mm (Length) x 25mm (Width) x 1mm (Thick). Line number/ fitting designation given by the department engraved with 5mm text height and highlighted with black paint. Each line tag shall be placed at suitable locations with holding ring as per technical specification and instruction given by the EIC.

Supply of material, fabrication, inspections, and erection of supporting structure, staircase, hand railing, grating, Pneumatic cylinder carriage assembly frame, etc. made of SS304 material having sections strips, angle, channels, beams, box sections, plates, ERW pipes, etc. It also includes preparation of fabrication drawings, welding and LP examination on final pass, welding to EPs/ staging members for supports of piping and equipment as per site requirements, technical specification and approved drawings. It also includes cutting of SS lining surface and welding with staging member, sealing of support member to the lining.