Replacement of plain tubes of Thermax make Boiler no. MR-13841 and Blow down lines of boilers at NRB, BARC, Tarapur.

Amount

Removal of existing plain tubes from 2nd pass of boiler MR-13841 by gas cutting into pieces, cleaning and grinding of plate holes as per IBR requirement and offer to IBR authority for inspection.

Removal of existing plain tubes from 3rd pass of boiler MR-13841 by gas cutting into pieces, cleaning and grinding of plate holes as per IBR requirement and offer to IBR authority for inspection.

Supply, erection, expanding, welding and testing of carbon steel seamless plain tubes confirming to BS: 3059 CFM, part II Gr. 360 of 2nd pass of boiler MR-13841 as per IBR procedure including stage wise inspection, testing, annual inspection and operational clearance from IBR competent authority. 2nd Pass tube size: OD 76.20 mm X Thickness 3.66 mm X Length 4847 mm.

Supply, erection, expanding, welding and testing of carbon steel seamless plain tubes confirming to BS: 3059 CFM, part II Gr. 360 of 3rd pass of boiler MR-13841 as per IBR procedure including stage wise inspection, testing, annual inspection and operational clearance from IBR competent authority. 3rd Pass tube size: OD 57.15 mm, X Thickness 3.40 mm X Length 5594 mm

Supply of 50NB Sch 40 CS seamless pipe as per ASTM A106 Gr-B with IBR certificate.

Supply of 15NB Sch 40 CS seamless pipe as per ASTM A106 Gr-B with IBR certificate.

Supply of 25NB CS globe valve, threaded end with IBR certificate.

Supply of 25NB CS globe valve, flanged end with IBR certificate.

Supply of 15NB CS globe valve, threaded end with IBR certificate.

Supply of 15NB CS thermodynamic steam trap threaded end with IBR certificate.

Supply of 50NB Sch 40 CS Elbow/ fittings as per ASTM A234 with IBR certificate.

Supply of 50NB CS flange, class-150 as per ASTM A105 with IBR certificate.

Partial replacement of 50NB Sch40 CS blow down line of boilers MR-9836, MR-9900, MR-13841 and MR-13842 at TRP Boiler house as per IBR procedure. The scope of work includes erection of CS pipe/ fittings/ flanges, fit up of weld joints, butt/ fillet welding by SMAW, LPT of root & final pass of joints, hydrostatic pressure testing and heat resistance painting of fabricated blow down line following IBR procedure including stage wise inspection, testing and certification along with as built drawing from IBR competent authority.

Partial replacement of 50NB Sch40 CS blow down line of boilers MR-11737 & MR-11738 at WM Boiler house as per IBR procedure. The scope of work includes erection of CS pipe/ fittings/ flanges, fit up of weld joints, butt/ fillet welding by SMAW, LPT of root & final pass of joints, hydrostatic pressure testing and heat resistance painting of fabricated blow down line following IBR procedure including stage wise inspection, testing and certification along with as built drawing from IBR competent authority.

Hamdule Industries

Purva Engineers & Contractors