DRE226B039 Laying, Dismantling, Repairing, Replacement, re-routing, cleaning of pipelines up to 50 mm dia and cleaning of water tanks at Refinery Township, Inside Refinery, offices, Oil Field and Nazirating Water Intake and Treatment Plant etc. at Di

CARBON STEEL PIPING FOR NON-HYDROCARBON SERVICE (WITH WELDING ELECTRODE E-6013)- OFFSITES Transportation of all piping items from owner's storage points to work site and / or pre-fabrication yard and to site after pre-fabrication; cutting, grinding, edge preparation of pipes and fittings, like flanges, elbows, tees, reducers etc. to match the mating edges of different thickness; fit-up, bending, welding using approved welding electrodes as per owners quality requirements etc. as per codes/specifications, drawing etc., threading, laying, erection and alignment of pipes upto a height of 5 meters on sleepers, pipe racks etc. or upto 5 meters depth in trenches, anchoring wherever required, connecting with equipment, nozzles, steam traps, strainers, orifice assemblies (including tapping upto first block valve), spray nozzles, rotameters; tapping for instrument connections like pressure gauges, thermowells, sample connections, vents, drains etc. including fixing of all types of SW valves, gaskets, nuts and bolts, all inline instruments, elbows, tees, flanges, reducers, full coupling or half coupling, reinforcement pads, earthing strip wherever required; welding prefabricated shoes and supports (including alignment) as per the drawings including preparation of small bore isometrics upto 1.5 inch NB, specifications, codes etc. and as per the instructions of the Engineer-in-Charge to his entire satisfaction. The scope also includes supplying of all types of tools and tackles, lifting arrangements, equipment, machineries, all consumables and labour etc. to complete the work in all respects including area preparation for hot jobs, area cleaning after completion of work, flushing wherever required, cleaning of pipes externally off all foreign materials like weld beads, clamps fixtures etc. used in fabrication as directed by the Engineer-in-Charge. NOTE : 1. Proper safety arrangements for carrying out the job is under contractor's scope and the same has to be complied with as per the d irections of the Engineer- in-Charge. 2. For job execution beyond 5 Mtr. elevation above or below ground level, rates are to be escalated by 10% for every 5 meters. 3. Requirement of scaffolding to be envisaged and decided by Engineer in Charge as per site requirement and scaffolding item to be paid separately. 4. Piping up to 40mm NB shall be fully TIG welded. Piping size 50mm NB & above, where TIG welding is used for root run only, the rates to be escalated by 15% and where TIG welding is used for entire joints the rates to be escalated by 20%.

15mm NB Sch upto 40 (TIG)

20mm NB Sch upto 40 (TIG)

25mm NB Sch upto 40 (TIG)

40mm NB Sch upto 40 (TIG)

50 mm NB, Schedule upto 40

RECONDITIONING OF GATE, GLOBE, CHECK, BUTTERFLY, PLUG VALVES OF ANY CLASS Job involves transportation of valves (any class) from owners storage location to contractor's store, identifying the repairable valves by visual inspection, opening and dismantling of valves, cleaning by rustoline or kerosene of all the components thoroughly, further inspection of internal parts in the presence of the Engineer-in-Charge, repair / reconditioning of valves by hand facing, machining, grinding, lapping etc. with all tools, tackles, replacement of missing or defective parts such as studs and nuts of gland, body hand wheel, nut bonnet, back seat bush, gland chaser and any other parts recommended by Engineer-in-Charge and finally re-assembling the valves, gland packing and testing as per API 598 / BS 5146. In case valves fail during testing, the above sequence will be repeated at no extra cost. Note: Supply of spares/ Gland packing shall be under IOCL scope.

80 mm

100 mm