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Bids Are invited for Repair And Overhauling Service - Concluding Rate Contract For Whole Ship Structural Repairs Onboard In Vessels; Any Other Suitable Brand; No; Buyer Premises - Steel Renewal- Uw (With Degutting & Regutting)Renewal Of Underwater (Uw) Structural Plates (With Stiffeners) Including Degutting Of Lagging, Perforated Paneling (Approx. 1-2 Clear On All Edges On Both Sides Of The Structure) And Testing Of Welds By Dpt, Followed By Re-Gutting Of Lagging/ Paneling.As Per Qis Attached , Steel Renewal – Uw (Without Deguttingrenewal Of Underwater Structural Plates (With Stiffeners) And Testing Of Welds By Dpt.As Per Qis Attached , Repair By Build-Ups For Sea Tubes/ Sea Chests/ Obds/ Deck Flanges. (Above 125Mm Dia), Associated Pipes Of Grade Sa 106 A/B (Or) Dmr-249 Steel Are To Be Supplied By Vendor.As Per Qis Attached , Repair By Build-Ups For Sea Tubes/ Sea Chests/ Obds/ Deck Flanges. (Below 125Mm Dia), Associated Pipes Of Grade Sa 106 A/B (Or) Dmr-249 Steel Are To Be Supplied By Vendor.As Per Qis Attached , Renewal Of Sea Tubes/ Sea Chests/ Obds/ Deck Flanges. (Above 125Mm Dia), Associated Pipes Of Grade Sa 106 A/B (Or) Dmr-249 Steel Are To Be Supplied By Vendor.As Per Qis Attached , Renewal Of Sea Tubes/ Sea Chests/ Obds/ Deck Flanges. (Below 125Mm Dia), Associated Pipes Of Grade Sa 106 A/B (Or) Dmr-249 Steel Are To Be Supplied By Vendor.As Per Qis Attached , Pressure Testing Of Sea Tubes/ Obds/ Sea Chest / Deck Flanges (Above 125Mm Dia), Associated Pipes Of Grade Sa 106 A/B (Or) Dmr-249 Steel Are To Be Supplied By Vendor. Test Pressure: 0.2 To 0.4 Kg/Sq.Cm.As Per Qis Attached , Pressure Testing Of Sea Tubes/ Obds/ Sea Chest / Deck Flanges (Below 125Mm Dia), Associated Pipes Of Grade Sa 106 A/B (Or) Dmr-249 Steel Are To Be Supplied By Vendor. Test Pressure: 0.2 To 0.4 Kg/Sq.Cm.As Per Qis Attached , Metal Build Up Of Pits/Cracks - Uw Metal Build Up Of Pits/ Cracks In Underwater Hull Structures, Followed By Grinding And Dpt.As Per Qis Attached , Anodes. Cutting / Welding Of Sacrificial Zinc Anodes On Underwater Hull. As Per Qis Attached , Zinc Rings. Cutting / Welding Of Zinc Rings (Protectors).As Per Qis Attached , Scupperlips Cutting And Welding Of Scupper Lips Including Degutting And Regutting - Manufacturing, Fitment And Repair Of Supper Lips. As Per Qis Attached , Gratings/ Baffle Plates. Removal And Fitment Of U/W Gratings/ Baffle Plates.As Per Qis Attached , Rope Guards. Removal And Fitment Of Rope Guards Fitted On Shaft. As Per Qis Attached , Eddy Cones. Removal And Fitment Of Eddy Cones Fitted On Shaft As Per Qis Attached , Lifting Eye Hooks- Uw/Awmanufacturing, Cutting And Welding Of Lifting Eye Hooks On Underwater Shell Plating, With Subsequent Final Cutting And Grinding. As Per Qis Attached , Structural Repairs Of Stern Tube Including Bossing Plate/ Technical Window Jigging, Cutting & Welding Of Damaged Tube And Frames.As Per Qis Attached , Renewal/ Mfg Of Stern Tube As Per Drawing Or As Fitted Structures Fitment By Welding, Grinding And Dpt. Post Necessary Jigging/ Re-Fitting As Per Dimensions: Length 6Meters - 12Meters, Dia 600Mm - 1000Mm.As Per Qis Attached , Foundations-Mfg & Fitment Uw. Manufacturing And Fitment Of Foundations On Tank Tops/Underwater Compartments.As Per Qis Attached , Foundations-Fitment-Uw. Fitment Of Foundations (Provided By Yard/Ss) On Tank Tops/Underwater Compartments.As Per Qis Attached , Steel Renewal- Aw (With Degutting & Regutting) Renewal Of Above-Waterline (Aw) Structural Plates (With Stiffeners) Including Degutting Of Lagging, Perforated Paneling (Approx. 1-2 Clear On All Edges On Both Sides Of The Structure) And Testing Of Welds By Dpt, Followed By Re-Gutting Of Lagging/ Panelling. As Per Qis Attached , Steel Renewal – Aw (Without Degutting) Renewal Of Above-Waterline Structural Plates (With Stiffeners). As Per Qis Attached , Aluminium Structural Renewal- Aw (With Degutting & Reguttingrenewal Of Above-Water Line Structural Plates (With Stiffeners) Including Degutting Of Lagging, Perforated Paneling (Approx. 1-2 Clear On All Edges On Both Sides Of The Structure) And Testing Of Welds By Dpt, Followed By Re-Gutting Of Lagging/ Panelling.As Per Qis Attached , Aluminium Structural Renewal- Aw (Without Degutting & Regutting) Renewal Of Above-Waterline Structural Plates (With Stiffeners) And Testing Of Welds By Dpt. Will Include Manufacture Of Structures/ Foundations/ Fittings Such As Racks, Spta Boxes, Covers, Brackets And Cl S.As Per Qis Attached , Metal Build Up Of Pits/ Cracks – Aw- Steel/Alu, Metal Build Up Of Pits/ Cracks In Above-Waterline Hull Structures, Followed By Grinding And Dpt. As Per Qis Attached , Hot Work Assistance. Cutting / Welding/ Heating/ Grinding Assistance In Underwater Or Above-Water Line Hull Structures (Assistance Consists 01 Welder, 01 Cutter & 01 Un-Skilled Employed For 12 Hours).Certified By Mfab , Bimetallic Joints- Renewal, Renewal Of Bimetallic (Aluminium To Steel) Joints (Including Cladded Joints) With Degutting/ Regutting As Required For Hot Work.As Per Qis Attached , Bimetallic/ Riveted Joints- Fabrication- Al/Msfabrication Of Bimetallic/ Riveted Joints By Aluminium Rivets As Per Qis Attached , Deck Eyes, Manufacture And Welding Of Deck Eyes.As Per Qis Attached , Soft Patches, Removal, Repair/ Refurbishment And Re Fitment Of Soft Patches, Including Degutting And Regutting With Renewed Nuts And Bolts And Breaking Of Any Cold Repair Compound.As Per Qis Attached , Expansion Joints Renewal. Expansion Joints Manufacturing/ Renewal Including Rubber Sheets. Degutting And Regutting Also To Be Carried Out Before/ After Hot Work. Leak-Tightness To Be Ensured. As Per Qis Attached , Apt Of Underwater Clusters – Non-Machinery Compartments, Air Pressure Testing (Apt) Of Underwater Compartment Clusters Including Cable Glands Packing , Rectification Of Associated Structural Defects Including Repairs/ Refurbishment Or Replacement Of Necessary Of Wtsv Valves, Ventilation Flaps. Test Pressure: 0.2 To 0.4 Kg/Sq.Cm.As Per Qis Attached , Apt Of Underwater Clusters – Machinery Compartments, Air Hose Test (Aht) Of Underwater Compartment Clusters Including Cable Glands Packing, Rectification Of Associated Structural Defects Including Repairs/ Refurbishment Or Replacement Of Necessary Of Wtsv Valves, Ventilation Flaps. Test Pressure: 0.2 To 0.4 Kg/Sq.Cm.As Per Qis Attached , Pressure Testing Of Tanks/Voids/Cofferdams, Pressure Testing Of Tanks/ Voids/ Cofferdams/ Stern Tubes/ Sonar Domes. Includes Repairs/ Blanking Of Manhole Covers (With New Rubber Gaskets/ Studs/ Bolts As Required) And Detection / Rectification Of All Structural Leaks. Test Pressure: 0.2 To 0.4 Kg/Sq.Cm.As Per Qis Attached , Proving Of Citadel Cluster By Air Pressure Testing Of Above Water Compartment Citadels Including Blanking, Rectification Of Associated Structural Defects / Minor Repairs To Door& Hatches, Repair/ Refurbishment Or Replacement (If Necessary) Of Associated Spares Viz Bleed Valves, Aoqc Valves, Soqc Valves, Pressure Guage, Ventilation Valves, Ventilation Flaps, D Ers. Associated Spares To Be Provided By Firm. Test Pressure: 0.2 To 0.4 Kg/Sq.Cm.As Per Qis Attached , Radiography Test Of Welds, Carry Out Rt Of Welds As Per Qis Attached , Ultrasonic Test Of Welds, Carry Out Ut Of Welds As Per Qis Attached , Removal Of Chock Fasting Of Old Helo Grid Followed By Unfastastening Of Helo Grid Top And Bottom Plates And Carry Out Necessary Repairs.As Per Qis Attached , Fitment Of Helo Grid With Helo Deck Plate Post Boxing Up Of Helo Grid (Top & Bottom Plates). As Per Qis Attached , Chock Fasting Of Helo Grid, Chock Fasting Of Helo Grid (With Material).As Per Qis Attached , Strainers, Removal, Repairs & Fitment Of Strainers.As Per Qis Attached , Spurn Water Coaming, Repair / Renewal Of Spun Water Coaming Including Degutting And Regutting.As Per Qis Attached , Fabrication Hand Rails & Fixed Guard Rails, Cutting And Welding Of Guard Rails And Hand Rails Including Brackets& Associated Fittings Including Degutting/ Regutting And Supply Of Bolts As Per Qis Attached , Fabrication Of Portable Guard Rails & Shoes Portable Guard Rails, Shoes & Assoiated Fittings Mfg/Repair And Welding.As Per Qis Attached , Fitment Of Bonding Straps, Welding Of Bonding Straps Including Degutting And Regutting As Per Qis Attached , Brazing Assistance In Shopfloor/Onboard And Testing Of Repairs By Dpt / Pressure Testing, Certified By Mfab.Certified By Mfab , Titanium Welding. Tig Welding Assistance For Ti/Cu-Ni/Silver/Alu.In Shopfloor / Onboard And Testing Of Repairs By Dpt / Pressure Testing, Certified By Mfab.Certified By Mfab , Insitu Repairs Of Submarine Casings/ Fin Flaps, Locking Mechanisum Of Casing/ Fin Flaps, Hinges And All Associted Spares To Be Provided By Firm.As Per Qis Attached , Hts Studs. Renewal Of Hts Studs Post Tapping.As Per Qis Attached , Pressure Testing Of Naval Pipe And Hawse Pipes Including Repairs, Blanking And Detection/Rectification Of Structural Leaks. Test Pressure:0.3 Kg/Sqcm. As Per Qis Attached , Removal & Fitment/Replacement Of Sonar Dome (Grp/Titanium). (A) Removal Of Old Fairing Plates.(B) Removal Of Sonar Dome.(C) Preparation Of Flange Seal For Fitment Of New Sonar Dome.(D) Hoistage & Alignment For Fitment Of New Sonar Dome.(E) Torque Tightening Of Bolts.(F) Water Tight Test Of New Sonar Dome.(G) Fitment Of Fairing Plates. As Per Qis Attached , Repairs/Refurbishment/Removal & Fitment Of Submarine Casing, Casing Bulb Bar And Frames Along With Structural Repairs Including Casing Flaps In Each Casing (Including De-Gutting And Re-Gutting Of Cl S) (Including Lowering & Housting Of Casing Using Certified Slings, Belts And D-Shackles) Approximate Weight: 3 To 5 Tons Per Casing.As Per Qis Attached
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