Fabrication, Dismantling and Erection of underground pipe lines for repair/ replacement of damaged pipelines / installing new lines / modification / re-routing etc. at various locations in Hyam and Utilities in PETRO Plants UC.

Fabrication of underground CS pipelines having different thickness with necessary fittings, valves, etc. for repair /replacement of damaged pipelines / installing new lines / modification / re-routing etc. ot various locations in HYAM & UTILITIES area. Size of pipes from 80 NB up to and including 1000 NB at all locations.

Erection/ dismantling of CS pipeline having different thickness with necessary pipe fittings, valves, etc. at all locations in HYAM & UTILITIES area. Sizes of pipes from 80 NB up to and including 1000 NB.

Seam welding of damaged underground ERW pipeline as per the instruction of engineer in charge. Size of pipes from 150 NB up to and including 900 NB.

Patch welding on corroded/ thinned out portion of the underground pipelines.

Coating and Wrapping of underground pipelines up to 300mm above from the ground level– Application shall be one coat EPOXY COAL TAR paint on the pipe after thorough cleaning and wrap with corrosion resistant tape of 4 mm thick with 15 mm minimum overlap on each turn. Both Coating and Wrapping material shall be in contractor’s scope. Payment shall be made only for the area of wrapped portion of pipe.