Fabrication of new reducers and Erection of reducer

Amount

Fabrication of reducer size 450 / 300

Fabrication of reducer size 400 / 300

Dismantling of existing NB 450 / 300 MS reducer by cutting the wornout bolts, erection of new MS reducer NB 450 / 300 in position and tightening the bolts.

Dismantling of existing NB 400 / 300 MS reducer by cutting the wornout bolts, erection of new MS reducer NB 400 / 300 in position and tightening the bolts.

Dismantling of existing NB 450 mm Butterfly valve and Erection of NB 450 wafer type butterfly valve in position and tightening the bolts. (6 No’s new valves to be replaced & 6 No’s existing valve will remain same)

Dismantling of existing NB 400 mm Butterfly valve and Erection of new NB 400 wafer type butterfly valve in position and tightening the bolts.

Dismantling of existing NB 350 mm Butterfly valve and Erection of new NB 350 wafer type butterfly valve in position and tightening the bolts.

Removing of existing corroded 300 NB MS flange from the dismantled pipeline and gouging including gas cutting and removing the eroded pipe edges connected with the flanges and gouging the welded metals for the entire circumference of the flange to match with the new pipelines.

Removing the broken studs connecting the inlet reducer and PHE by cutting & drilling and retapping the hole for fixing the new stud.

Cutting the 450 NB flange from the pipeline by gas cutting, measuring & adding a spool piece of required length to suit new valve, positioning & tag welding the spool and new flange in the position.

Cutting the 350 NB flange from the pipeline by gas cutting, measuring & adding a spool piece of required length to suit new valve, positioning & tag welding the spool and new flange in the position.

Fabrication of backwash line in TG PHE inlet reducer by positioning the reducer, cutting and welding the backwash line in the reducer

Charges for MS welding in Flanges and TEE joints by positioning and welding (1 running joint = 80 mm approximately)

Charges for SS Welding in flanges and Bend joints by positioning and welding (1 running joint = 80 mm approximately)

Removing of existing corroded 400 NB MS flange from the dismantled pipeline and gouging including gas cutting and removing the eroded pipe edges connected with the flanges and gouging the welded metals for the entire circumference of the flange to match with the new pipelines.

Fabrication and Erection of 400 NB MS ERW Pipe for SG DMCW PHE sea water line including marking and gas cutting.

Fabrication of 01 No. 400 NB 90 degree MS Bend for TG DMCW PHE including marking, gas cutting, edge preparation and welding.

Dismantling of existing NB 400 MS Bend by cutting the wornout bolts, erection of new NB 400 MS bend in position and tightening the bolts.

Painting the pipelines with one coat red oxide primer including cost of enamel paint, T&P and consumables.

Painting the pipelines with one coat paint including cost of enamel paint, T&P and consumables.

Charges for transporting the new valves, pipelines from central stores to site and devolute the dismantled valves and all the released scrap (pipe, bend, reducer etc.,) to central stores.

Renuga Enterprises