Cochin Shipyard Limited

Cochin Shipyard Limited has published Tender For Tdfl Jobs In Navy Vessel (Rm.0807); 1 TDFL (Turbo Driven Forced Lubrication) 1 - SERVICE COST 2 a)Inspection of gearbox cover and steam turbine casing. Undertake measurement/ clearances, renew as required. 3 (b)Gear box inspection and tightening of bearing housing if required. 4 (c) Renewal of coupling bolts along with elastic rubber rings. Qty – 12 nos. 5 (d)Repair/ renewal of sentinel valve followed by setting and hot trials. 6 (e)Overhauling/ renewal of bypass valve followed by hot trials. 7 (f)Alignment checks of turbine rotor with reduction gear assembly. 8 (g) Overhauling of regulating block assembly along with speed regulator at firm premises followed by tuning during hot trials. 9 (h) Overhauling/ renewal of hand trip mechanism and hand pump lever. 10 (i) Rethreading of lub oil sump casing adaptor along with replacement of lub oil sump filing cap and drain plug. 11 (j) Overhauling of TDFL QCV view not holding. 12 TDFL (Turbo Driven Forced Lubrication) 2 - SERVICE COST 13 a) LUB oil emulsification observed during operation. Inspection of turbine labyrinth is required Followed by replacement as required.NOTE: - Job entails disassembling of turbo drive into assemblies and parts. Undertake cleaning, oil washing, visual inspection, measurement of parts and grinding of split surfaces. Dismantling of the screw pump followed by visual inspection of internal surfaces of case. Check turbine rotors, reduction gear and pump for runout. 14 (b) Renewal of coupling bolts along with elastic rubber rings. Qty - 12 nos. 15 (c) Repair renewal of sentinel valve followed by setting and hot trials 16 (d) Overhauling/ renewal of bypass valve followed by hot trials. 17 (e) Overhauling of regulating block assembly along with speed regulator at firm premises Followed by tuning during hot trials. 18 (f) Overhauling/ renewal of hand trip mechanism and hand pump lever. 19 (g) Rethreading of LUB oil sump casing adaptor along with replacement of LUB oil sump filling Cap and drain plug. 20 (h) Overhauling of TDFL QCV View not holding. 21 TDFL (Turbo Driven Forced Lubrication) 3 - SERVICE COST 22 (a) LUB oil emulsification observed during operation. Inspection of turbine labyrinth is required Followed by replacement as required.NOTE: - Job entails disassembling of turbo drive into assemblies and parts. Undertake cleaning, oil washing, visual inspection, measurement of parts and grinding of split surfaces. Dismantling of the screw pump followed by visual inspection of internal surfaces of case. Check turbine rotors, Reduction gear and pump for runout. 23 (b) Renewal of coupling bolts along with elastic rubber rings. Qty - 12 nos. 24 (c) Repair renewal of sentinel valve followed by setting and hot trials 25 (d) Overhauling/ renewal of bypass valve followed by hot trials. 26 (e) Overhauling of regulating block assembly along with speed regulator at firm premises Followed by tuning during hot trials. 27 (f) Overhauling/ renewal of hand trip mechanism and hand pump lever. 28 (g) Rethreading of lub oil sump casing adaptor along with replacement of lub oil sump filling cap and drain plug. 29 (h) Overhauling of TDFL QCV View not holding. 30 TDFL (Turbo Driven Forced Lubrication) 4 - SERVICE COST 31 (a) Inspection of gearbox cover and steam turbine casing. Undertake measurement/ clearances, renew as required. 32 (b) Gear box inspection and tightening of bearing housing if required. 33 (c) Renewal of coupling bolts along with elastic rubber rings. Oty -12 nos. 34 (d) Repair/ renewal of sentinel valve followed by setting and hot trials. 35 (e) Overhauling/ renewal of bypass valve followed by hot trials. 36 (f) Alignment checks of turbine rotor with reduction gear assembly. 37 (g) Overhauling of regulating block assembly along with speed regulator at firm premises Followed by tuning during hot trials. 38 (h) Overhauling/ renewal of hand trip mechanism and hand pump lever. 39 (i) Rethreading of lub oil sump casing adaptor along with replacement of lub oil sump filing cap and drain plug. 40 (j) Overhauling of gland evacuation system valve. Qty-02. 41 (k) Overhauling and fitment of hand pump view spindle sheared off. 42 (l) Manufacturing of filter assembly self-cleaning rings. Qty – 04. 43 (m) Overhauling of TDFL QCV view not holding. 44 Heat Exchangers/ Coolers- SERVIECE COST 45 Insitu Merchanical cleaning of HEs/ Coolers (Lub oil coolers/ Condenser/ Fresh water coolers/Chillers)Job involves:- 1.40.1 Degutting and regutting of system pipes and associated system pipes.1.40.2 Chemical cleaning of coolers1.40.3 Pressure testing of HEs.1.40.4 Repairs to leaking tubes1.40.5 Replacement of drain plug/cock where fitted (as per sample Mat-SS High Tensile) 1.40.6 Replacement of instrumentation adaptor/cocks where fitted (as per sample Mat-High Tensile SS) 1.40.7 Renewal of Fastners: Mat : Al Bronze1.40.8 Renewal of gaskets Mat : Rubber Nitrile S/W resistant1.40.15 TDFL L/O Cooler Type- Surface432 mm X 305 mm X 635 mm, 46 Hot Lagging & Cladding- SERVIECE COST 47 1. 42. 5 Cladding over Steam auxiliary machineries1.42.5.3 TDFL 48 Boilers and TD Auxiliaries - SERVIECE COST 49 Renewal /Repair of Outer Insulation materials and Cement lagging TD Auxilliaries (TDFL) 50 TDFL (Turbo Driven Forced Lubrication) 1 - MATERIAL COST 51 a)Inspection of gearbox cover and steam turbine casing. Undertake measurement/ clearances, renew as required. 52 (b)Gear box inspection and tightening of bearing housing if required. 53 (c) Renewal of coupling bolts along with elastic rubber rings. Qty – 12 nos. 54 (d)Repair/ renewal of sentinel valve followed by setting and hot trials. 55 (e)Overhauling/ renewal of bypass valve followed by hot trials. 56 (f)Alignment checks of turbine rotor with reduction gear assembly. 57 (g) Overhauling of regulating block assembly along with speed regulator at firm premises followed by tuning during hot trials. 58 (h) Overhauling/ renewal of hand trip mechanism and hand pump lever. 59 (i) Rethreading of lub oil sump casing adaptor along with replacement of lub oil sump filing cap and drain plug. 60 (j) Overhauling of TDFL QCV view not holding. 61 TDFL (Turbo Driven Forced Lubrication) 2 - MATERIAL COST 62 a) LUB oil emulsification observed during operation. Inspection of turbine labyrinth is required Followed by replacement as required.NOTE: - Job entails disassembling of turbo drive into assemblies and parts. Undertake cleaning, oil washing, visual inspection, measurement of parts and grinding of split surfaces. Dismantling of the screw pump followed by visual inspection of internal surfaces of case. Check turbine rotors, reduction gear and pump for runout. 63 (b) Renewal of coupling bolts along with elastic rubber rings. Qty - 12 nos. 64 (c) Repair renewal of sentinel valve followed by setting and hot trials 65 (d) Overhauling/ renewal of bypass valve followed by hot trials. 66 (e) Overhauling of regulating block assembly along with speed regulator at firm premises Followed by tuning during hot trials. 67 (f) Overhauling/ renewal of hand trip mechanism and hand pump lever. 68 (g) Rethreading of LUB oil sump casing adaptor along with replacement of LUB oil sump filling Cap and drain plug. 69 (h) Overhauling of TDFL QCV View not holding. 70 TDFL (Turbo Driven Forced Lubrication) 3 - MATERIAL COST 71 (a) LUB oil emulsification observed during operation. Inspection of turbine labyrinth is required Followed by replacement as required.NOTE: - Job entails disassembling of turbo drive into assemblies and parts. Undertake cleaning, oil washing, visual inspection, measurement of parts and grinding of split surfaces. Dismantling of the screw pump followed by visual inspection of internal surfaces of case. Check turbine rotors, Reduction gear and pump for runout. 72 (b) Renewal of coupling bolts along with elastic rubber rings. Qty - 12 nos. 73 (c) Repair renewal of sentinel valve followed by setting and hot trials 74 (d) Overhauling/ renewal of bypass valve followed by hot trials. 75 (e) Overhauling of regulating block assembly along with speed regulator at firm premises Followed by tuning during hot trials. 76 (f) Overhauling/ renewal of hand trip mechanism and hand pump lever. 77 (g) Rethreading of lub oil sump casing adaptor along with replacement of lub oil sump filling cap and drain plug. 78 (h) Overhauling of TDFL QCV View not holding. 79 TDFL (Turbo Driven Forced Lubrication) 4 - MATERIAL COST 80 (a) Inspection of gearbox cover and steam turbine casing. Undertake measurement/ clearances, renew as required. 81 (b) Gear box inspection and tightening of bearing housing if required. 82 (c) Renewal of coupling bolts along with elastic rubber rings. Oty -12 nos. 83 (d) Repair/ renewal of sentinel valve followed by setting and hot trials. 84 (e) Overhauling/ renewal of bypass valve followed by hot trials. 85 (f) Alignment checks of turbine rotor with reduction gear assembly. 86 (g) Overhauling of regulating block assembly along with speed regulator at firm premises Followed by tuning during hot trials. 87 (h) Overhauling/ renewal of hand trip mechanism and hand pump lever. 88 (i) Rethreading of lub oil sump casing adaptor along with replacement of lub oil sump filing cap and drain plug. 89 (j) Overhauling of gland evacuation system valve. Qty-02. 90 (k) Overhauling and fitment of hand pump view spindle sheared off. 91 (l) Manufacturing of filter assembly self-cleaning rings. Qty – 04. 92 (m) Overhauling of TDFL QCV view not holding. 93 Heat Exchangers/ Coolers- MATERIAL COST 94 Insitu Merchanical cleaning of HEs/ Coolers (Lub oil coolers/ Condenser/ Fresh water coolers/Chillers)Job involves:- 1.40.1 Degutting and regutting of system pipes and associated system pipes.1.40.2 Chemical cleaning of coolers1.40.3 Pressure testing of HEs.1.40.4 Repairs to leaking tubes1.40.5 Replacement of drain plug/cock where fitted (as per sample Mat-SS High Tensile) 1.40.6 Replacement of instrumentation adaptor/cocks where fitted (as per sample Mat-High Tensile SS) 1.40.7 Renewal of Fastners: Mat : Al Bronze1.40.8 Renewal of gaskets Mat : Rubber Nitrile S/W resistant1.40.15 TDFL L/O Cooler Type- Surface432 mm X 305 mm X 635 mm, 95 Hot Lagging & Cladding- MATERIAL COST 96 1. 42. 5 Cladding over Steam auxiliary machineries1.42.5.3 TDFL 97 Boilers and TD Auxiliaries - MATERIAL COST 98 Renewal /Repair of Outer Insulation materials and Cement lagging TD Auxilliaries (TDFL) . Last date of submission for this tender is 2025-01-06. This is a Commercial Marine Vehicle tender in karwar, Kerala