Repair, Service and reconditioning of HP Valves installed in boilers during running maintenance in online and boilers AOH SD at Co-Gen Power plant at CPCL - Manali Refinery.

Amount

High Pressure valves installed in Boiler

INSITU SERVICING AND OVERHAULING OF HIGH PRESSURE GATE / GLOBE / CHECK VALVES DURING THE AOH OF BOILERS AND RUNNING MAINENANCE IN ON-LINE IN CO-GEN,, ,, Servicing, Overhauling and Reconditioning job of CS / AS valves of High Pressure Gate, Globe, Check valves of 1500# rating and above, scope includes Opening and dismantling of valves (Removal of valve wheel, actuators, bonnet, gate / globe / stem) by removing studs & bolts, thorough cleaning of all parts of valves using Rustolene or kerosene, further inspection of internal parts in the presence of EIC, repair / reconditioning of valves by hand facing, grinding, lapping and blue matching with all tools and tackles, repair / replacement of defective, worn out, missing spares including studs, glands, hand wheel, bush and any other parts recommended by EIC. For welded valve, Surface preparation, weld deposit on pitted area of wedge if minor wherever required machinig, grinding, manual lapping, before blue match polishing for the in-situ etc., wherever required and greasing, reassembling the valves, gland packing and pressure testing the valves as per the applicable standard, and instruction of EIC. In case the valves fail during testing the above sequence is to be repeated at no extra cost. The consumables like grease, Rustolene, gland packing, cotton waste except, fasteneres, gland packing, gasket retainer and pressure seal gaskets included in the quoted rate. CPCL shall arrange required replacement parts such as galnd packing, bonnet gaskets, fasteners, gland retainer, pressure seal gaskets and contractor shall give list of spares requirement immediately after dismantling of valves to EIC. Contractor will deploy technically qualified, experienced, skilled manpower in sufficient quantity, to carry out the necessary jobs in well organised way so that the job can be completed within scheduled time (AOH of Boiler).,, ,, Note: Supply of spares of gland packing, bonnet gaskets, Studs & bolts of different sizes for replacement of rusted & damaged bolts, Retainer Ring, Pressure Seal gaskets shall be provided by CPCL,, ,,Insitu - Servicing / Overhauling / Reconditioning of Gate, Globe and Check Valves - Class 1500# & above,,,,

Size - Upto 1.5 Inch

Size - 2" to 3"

Size - 4" to 6"

Size - 8" to 10"

Size - 12" to 14"

Note : The rate for repacking of valves is included in the In-situ Servicing / overhauling / revisioning rates. Repacking of valves shall be applicable when revisioning is not done.

Re-Packing of GATE & GLOBE Valves of 1500# Class - Gate / Globe / Check Valve - Class 150 , 300 and 600#,, ,, Job involves removing existing gland packing completely from gate and globe valves of various sizes in-situ and re-packing the valves with new gland (supplied by CPCL) including supply of tools, tackles and equipment if any. Valves should be tested for free rotation. Hand wheels to be fitted back along with the spindle, if required.,,,,

Valve - Class 150 , 300 and 600#

Size - Upto 1.5 Inch

Size - 2" to 3"

Size - 4" to 6"

Size - 8" to 10"

Size - 12" to 14"

Valve - Class 1500 and Above

Size - Upto 1.5 Inch

Size - 2" to 3"

Size - 4" to 6"

Size - 8" to 10"

Size - 12" to 14"

COMPLETE & REFURBISHMENT OF OF HIGH PRESSURE GATE / GLOBE / CHECK VALVES DURING THE AOH OF BOILERS IN CO-GEN:,, ,, The scope of work includes shiting of valves to their workshop, dismantling of valves completely, cleaning of valve and their internals, Inspection of valve internals etc.Lapping of Plug & Seat Ring for removal of scoring / cut marks, blue matching, Specialized Work of Trim parts for Plug valves Special Welding / weld repair, Stelliting, annealing, Machining, Grinding, Mirror Image finishing, buffing, suiting with body etc., replacement of pressure seal gaskets, gland retainer ring, gaskets, and other allied spares, Reassembling of valve, greasing, testing of valves as per standard and painting as per scope of attached and EIC instructions: All consumables and all the spare parts excepts stem, bonnet & valve boby will be in Contractor’s scope and same shall be included in the quoted rate.",,,,

Complete refurbishment of 2" 1500# Gate / Globe Valve including servicing, welding machining and all spare parts such as gland packings, pressure seal gasket, bolts, gland retainer ring etc - Except stem, bonnet and body.

Complete refurbishment of 3" 1500# Gate / Globe Valve including servicing, welding machining and all spare parts such as gland packings, pressure seal gasket, bolts, gland retainer ring etc - Except stem, bonnet and body.

Complete refurbishment of 4" 1500# Gate / Globe Valve including servicing, welding machining and all spare parts such as gland packings, pressure seal gasket, bolts, gland retainer ring etc - Except stem, bonnet and body.

Complete refurbishment of 6" 1500# Gate / Globe Valve including servicing, welding machining and all spare parts such as gland packings, pressure seal gasket, bolts, gland retainer ring etc - Except stem, bonnet and body.

Complete refurbishment of 8" 1500# Gate / Globe Valve including servicing, welding machining and all spare parts such as gland packings, pressure seal gasket, bolts, gland retainer ring etc - Except stem, bonnet and body.

Complete refurbishment of 10" 1500# Gate / Globe Valve including servicing, welding machining and all spare parts such as gland packings, pressure seal gasket, bolts, gland retainer ring etc - Except stem, bonnet and body.

Complete refurbishment of 12" 1500# Gate / Globe Valve including servicing, welding machining and all spare parts such as gland packings, pressure seal gasket, bolts, gland retainer ring etc - Except stem, bonnet and body.

SPARES: Supply of spares such as Gland Packing, Pressure seal gasket, Gland Retainer Ring, Bonnet gaskets for Gate & Globe valves of 1500# are in contractors scope. (Valve Makes are L&T / BHEL / KSB)

DEPLOYMENT OF SKILLED VALVE TECHNICIANS TO ATTEND VALVE SERVICING DURING EMERGENCY ON NEED BASIS.,, ,, Contractor’s scope includes deployment of skilled & experienced valve technicians for attending the valve repair, servicing and maintenance jobs in Cogen and Refinery-3 on day-to-day need basis and also during the EMERGENCY breakdown as per the instructions of EIC. During the breakdown or Emergency requirement, the EIC will give call / instructions at any given point of day, the contractor shall mobilize the required valve technicians immediately, as per EIC Plan and as per his instructions and nature of job. They shall report to the EIC / CPCL Plant Engineers in the morning for the jobs and planned accordingly. They shall also report in the evening for the actual progress of the Jobs. Unit of Measurement for this job Manday. ,,,,

Charges for providing of skilled valve technicians to attend the valve servicing and Maintenance jobs (Unit of measurement day = manday)

amrutha engineering