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Bids Are invited for Repair, Maintenance, And Installation Of Plant/ Systems/Equipments (Version 2) - Onboard Ins Teg At Nd (Mbi); Repair And Overhauling Of Underwater Valves - Ins Teg; Service Provider - Degutting Of Valves: (Type - Nrp / Sdnr 100Mm-Upto 125Mm)Disconnect Pipelines, Actuators, Hand Wheels And Linkages.Remove Foundation Bolts/Studs. Provide Blanking Of Open Pipe Ends/Valve Chest After Removal. Tag Type And Location Of Valve. Lift And Transport Valves Safely To Workshop. , Degutting Of Valves : (Type - Nrp / Sdnr 125Mm-Upto 150Mm)Disconnect Pipelines, Actuators, Hand Wheels And Linkages, Remove Foundation Bolts/Studs, Provide Blanking Of Open Pipe Ends/Valve Chest After Removal, Tag Type And Location Of Valve, Lift And Transport Valves Safely To Workshop. , Degutting Of Valves : (Type - Nrp / Sdnr 150Mm-Upto 200Mm)Disconnect Pipelines, Actuators, Hand Wheels And Linkages, Remove Foundation Bolts/Studs, Provide Blanking Of Open Pipe Ends/Valve Chest After Removal, Tag Type And Location Of Valve, Lift And Transport Valves Safely To Workshop. , Repair/ Renewal: (Type - Nrp / Sdnr 100Mm-Upto 125Mm)Completely Dismantle/Degut The Valve Including Body, Bonet, Spindle/Stem, Disc, Seat Rings, Bushes, Gland Packing, Seals, Fasteners Etc. Clean All Components And Carry Out Detailed Inspection. Renew Defective/Worn Out Parts Such As Spindle, Disc, Seat Rings, Bushes, Bearings, Studs, Nuts, Seals And Packing. Carry Out Machining, Lapping Of Seats/Discs And Approved Welding/ Build-Up If Required. Replace All Rubber Components And Sealing Elements With New Ones. , Repair/ Renewal: (Type - Nrp / Sdnr 125Mm-Upto 150Mm)Completely Dismantle/Degut The Valve Including Body, Bonet, Spindle/Stem, Disc, Seat Rings, Bushes, Gland Packing, Seals, Fasteners Etc. Clean All Components And Carry Out Detailed Inspection. Renew Defective/Worn Out Parts Such As Spindle, Disc, Seat Rings, Bushes, Bearings, Studs, Nuts, Seals And Packing. Carry Out Machining, Lapping Of Seats/Discs And Approved Welding/ Build-Up If Required. Replace All Rubber Components And Sealing Elements With New Ones. , Repair/ Renewal: (Type - Nrp / Sdnr 150Mm-Upto 200Mm)Completely Dismantle/Degut The Valve Including Body, Bonet, Spindle/Stem, Disc, Seat Rings, Bushes, Gland Packing, Seals, Fasteners Etc. Clean All Components And Carry Out Detailed Inspection. Renew Defective/Worn Out Parts Such As Spindle, Disc, Seat Rings, Bushes, Bearings, Studs, Nuts, Seals And Packing. Carry Out Machining, Lapping Of Seats/Discs And Approved Welding/ Build-Up If Required. Replace All Rubber Components And Sealing Elements With New Ones. , Reassembly: (Type - Nrp / Sdnr 100Mm-Upto 125Mm)Reassemble Valve With New Gaskets And Packing.Ensure Correct Alignment And Clearances, Lubricate With Approved Grade Lubricants.Conduct Hydrostatic Body Pressure Test. , Reassembly: (Type - Nrp / Sdnr 125Mm-Upto 150Mm)Reassemble Valve With New Gaskets And Packing.Ensure Correct Alignment And Clearances, Lubricate With Approved Grade Lubricants.Conduct Hydrostatic Body Pressure Test. , Reassembly: (Type - Nrp / Sdnr 150Mm-Upto 200Mm)Reassemble Valve With New Gaskets And Packing.Ensure Correct Alignment And Clearances, Lubricate With Approved Grade Lubricants.Conduct Hydrostatic Body Pressure Test. , Testing At Workshop: (Type - Nrp / Sdnr 100Mm-Upto 125Mm)Conduct Hydrostatic Body Pressure Test. Conduct Sea Leakage Test. Carryout Functional / Operational Testing At 2 Times Of Working Pressure. , Testing At Workshop: (Type - Nrp / Sdnr 125Mm-Upto 150Mm)Conduct Hydrostatic Body Pressure Test. Conduct Sea Leakage Test. Carryout Functional / Operational Testing At 2 Times Of Working Pressure. , Testing At Workshop: (Type - Nrp / Sdnr 150Mm-Upto 200Mm)Conduct Hydrostatic Body Pressure Test. Conduct Sea Leakage Test. Carryout Functional / Operational Testing At 2 Times Of Working Pressure. , Refitting Onboard: (Type - Nrp / Sdnr 100Mm-Upto 125Mm)Refit Overhauled Valves Onboard With New Joint Gaskets. Tighten All Connections And Foundation Bolts, Renew Worn Out Foundation Studs/ Bolts. All Fasteners Shall Be Replaced With New Corrosion-Resistant, Marine Grade Fasteners Suitable For Continuous Sweater Exposure, As Per Specification. Reconnect Actuators/Linkages And Restore System. Carry Out System Pressure Testing And Operational Trial Onboard. Rectify Defects If Any. , Refitting Onboard: (Type - Nrp / Sdnr 125Mm-Upto 150Mm)Refit Overhauled Valves Onboard With New Joint Gaskets. Tighten All Connections And Foundation Bolts, Renew Worn Out Foundation Studs/ Bolts. All Fasteners Shall Be Replaced With New Corrosion-Resistant, Marine Grade Fasteners Suitable For Continuous Sweater Exposure, As Per Specification. Reconnect Actuators/Linkages And Restore System. Carry Out System Pressure Testing And Operational Trial Onboard. Rectify Defects If Any. , Refitting Onboard: (Type - Nrp / Sdnr 150Mm-Upto 200Mm)Refit Overhauled Valves Onboard With New Joint Gaskets. Tighten All Connections And Foundation Bolts, Renew Worn Out Foundation Studs/ Bolts. All Fasteners Shall Be Replaced With New Corrosion-Resistant, Marine Grade Fasteners Suitable For Continuous Sweater Exposure, As Per Specification. Reconnect Actuators/Linkages And Restore System. Carry Out System Pressure Testing And Operational Trial Onboard. Rectify Defects If Any.
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