Bids Are Invited For Main Diesel Generators: Make: Caterpillar Saral, Type: 3512-B, Qty: 04, Location: Dgr 1 - Carry Out 4000 Hourly Routines On Da No. 1,2 ,3 And 4. Sparescg Supply.(I) Check Engine Protection Devices(Ii) Clean Air Starting Motorlubricator Bowl(Iii) Inspect Crank Shaft Vibration Damper(Iv) Check Engine Mounts For Proper Tightening Torque(V) Inspect Turbocharger Compressor Housing (Inlet Side).(Vi) Inspect The Auxiliary Water Pump For Leakage And Overhaul, Only If Required.(Vii) Inspect/Adjust Engine Valve Lash(Viii) Inspect/Adjust Engine Fuel Injectors(Ix) Inspect Cam Shaft Roller Followersspares-Cg Supply. Material-Firm Supply. Firm To Undertake Load Test To Be Carried Out As Per Ship’S Load. , Main Diesel Generators: Make: Caterpillar Saral, Type: 3512-B, Qty: 04, Location: Dgr - Chemically Clean And Pressure Test Cooling Water Cooler, Lub Oil Cooler And Charge Air Cooler. Renew Sacrificial Anodes. Carry Out External Painting Of Cooler. All Spares Firm Supply. Test Pressure 1.5 Time Of Working Pressure. Material – Firm Supply , Emergency Diesel Generator: Make: Caterpillar Saral, Type: C9,Capacity-185 Kw,C, Qty:01, Location: Eda Compartment - Carry Out 1000 Hourly Routines On Emergency Diesel Alternator.Spares Cg Supply.(I) Clean/Test After Cooler Core.(Ii) Inspect Engine Mounts(Iii) Check Injector Bolt Torque(Iv) Inspect Turbocharger Compressor Housing (Inlet Side).(V) Replace Closed Crankcase Ventilation (Ccv) Fumes Disposal Filterspares-Cg Supply. Material-Firm Supply. Firm To Undertake Load Test To Be Carried Out As Per Ship’S Load. , Diesel Alternator (M/S Gmmco) 1 - 03 In Nos. Main Alternator (415V, 3Ph, 1200Kw, Model 3512 B (Except Alternator-4)Tobeoverhauled.Overhaulingincludesrecordingof Insulation Of Stator, Exciter And Main Field Winding Prior To Dismantling. Dismantle Alternator And Withdraw Rotating Rectifier, Main Rotor And Exciter From Prime Mover. Clean Stator, Exciter And Rotor With Distilled Water Followed By Trichloroethyl. Dry With Hot Air Blower And Apply Thin Layer Of Quick Drying Thermal Conductivity Varnish And Bake Up .Carry Out Heat Resistive Paint On Internal And External Parts Of Alternator Yoke. Carry Out Spm Test Of De/Nde Bearing And Renew Defective De/Nde Bearing.Record Insulation Values Of Stator, Exciter And Rotor Winding With Respect To Phase To Phase And Phase To Earth. Carry Out Functional Checks Of Rotating Rectifier And Space Heater On Completion Of Overhauling. Carry Out Load Trials With Ship Load And Record As Per Trials Protocol For Optimum Performance. Record Ofinsulationandrecordofloadtrialstobehandedovertoship (Maintenance Schedule No. Lp-01)Material, Heat Resistant Paint– Firm Supply.Firm To Undertake Load Test To Be Carried Out As Per Ship’S Load. Firm To Submit Load Trial Reports. Sparesand Bearing – Cg Supply. , Diesel Alternator (M/S Gmmco) 2 - Overhaul Harbour Alternator (415V, 3Ph, 404Kw, Model 3412-C). Overhauling Includes Recording Of Insulation Of Stator, Exciter, Main Field And Rotor, Prior To Dismantling. Dismantle Complete Alternator From Prime Mover Includes Rotor, Exciter Assembly. Clean Stator, Exciter Assembly And Rotor With Distilled Water Followed By Trichloroethyl. Dry With Hot Air Blower And Apply Thin Layer Of Quick Drying Thermal Conductivity Varnish.Carry Out Hear Resistive Paint Internal / External Parts Of Yoke. Renew Wear/Tear Lugs And Insulator. Renew Defective De / Nde Bearings After Inspection. Carry Out Functional Checks Of Rotating Diode Assembly And Space Heater. Record Insulation Values Of Stator. Exciter And Rotor Winding. Carry Out Finger Print Methodsloadtrialsoncompletionofcompletefunctionalchecksfor Optimum Performance/ Exploitation Of Alternator. Records Of Trials To Be Handed Over To Ship. (Maintenance Schedule No.Lp-03).Material, Heat Resistant Paint– Firm Supply.Firm To Undertake Load Test To Be Carried Out As Per Ship’S Load. Firm To Submit Load Trial Reports. Sparesand Bearing – Cg Supply. , Diesel Alternator (M/S Gmmco) 3 - 04 Main Das & 01 Harbour Da Local Control Panel Performance /Functional Checks Of All Sensors Fitted Within Prime Mover To Be Carried Out By Using Suitable Software Of Oem And Data To Be Recorded With Simulated Alarms/ Safeties Limits Of All Sensors For Remote Monitoring. System Consistsoffollowingsubunitwhicharetobetestedforoptimum Performance And Performance Data To Be Handed Over To Ship.Sl Description Qty(A) Programmable Relay Control Module4(B) Remote Start/Stop Panel 1(C )Pyrometerwith Exhaust Gas Temp Indicator4 At Local And Mcr Of Main Dg (D) Harbour Dg Audio And Visual Alarm 1Panel Including Local Digital Rpm Meter. Spares – Cg Supplymaterial – Firm Supplyfirm To Submit Calibration/ Performance Reports. No Of Sensors -25 Nos Per Main Da. , Diesel Alternator (M/S Gmmco) 4 - Carry Out Performance Checks Of Alarm/ Safety Trips Of Main Dgs & Harbour Dg With Limits To Be Recorded As Per Trials Protocols. Scope Of Work Includes Renewal Of Defective Components Under Firms Scope. Performance Data To Be Handed Over To Ship.Sl Safeties / Trip Qty(A) Highcoolant Water Temp Alarm/Trip5(B)Lub Oil Pressure Alarm /Trip5(C )Low Crank Case Pressure Alarm /Trip. 5(D)Over Speed Trip5(E)Lowlub Oillevelsump Alarm 5(F) High Coolant Alarm After Cooler Alarm.5 (G) Low Level Alarm Of Expension Tank.5(H)High Exhaust Alarm.5(J) Low Fuel Oil Pressure Alarm 5 Cg Supplymaterial – Firm Supplyfirm To Submit Calibration/ Performance , Diesel Alternator (M/S Gmmco) 5 - Overhaul 04 Lub Oil Priming Pump Motor (Make- Pacific Scientific (Model- Ba3644-3441-56Bc), Capacity: 24 V Dc 29 Amp). Scope Of Work Includes Renewal Of Defective De/Nde Bearing. , Diesel Alternator (M/S Gmmco) 6 - All 05 In No (Main & Harbour Da) Engine Starting System To Be Checked And Air Starting Solenoid To Be Overhauled.Engine Air Starter Motor Alongwith Valve Assembly And Air Starter Solenoid To Be Overhauled . Spares- Cg Supply. Material- Firm Supply , Diesel Alternator (M/S Gmmco) 7 - Calibration Of 02 No Of Avr, 04 No Of Cdvr, 04 No Of Ecm To Be Carried Out And Calibration Certificate To Be Provided To Ship.Spares- Cg Supplymaterial- Firm Supplycalibration Certificate To Be Provided. , Emergency Diesel Alternator (M/S Gmmco) 1 - Overhauling Of 01 In No Emergency Alternator (415V, 3Ph, 180Kw, Model-462L9c). Overhauling Includes Recording Of Insulation Of Stator, Exciter, Mainfieldandrotor,Priortodismantling.Dismantlegeneratorrotor Including Exciter Assembly. Clean Stator, Exciter Assembly And Rotor With Distilled Water Followed By Trichloroethyl, Dry With Hot Air Blower And Apply Thin Layer Of Quick Drying Thermal Conductivity Varnish.Paint Internal / External Parts Of Stator /Yoke.Renew Terminal Lugs And Insulator. Carry Out Spm Test And Renew Defective Drive / Non Drive End Bearing.Carry Out Functional Checks Of Rotating Diode Assembly And Space Heater. Record Insulation Value Of Stator. Exciter And Rotor Winding. Carry Out Functional Check Of Space Heater. Carry Out Load Trails On Completion Of Functional Checks For Satisfactory Operations. Functional Check Report And Load Trials Report To Be Handed Over To Ship. (Maintenance Schedule No. Lp-04). Spares - Cg Supply.Material, Heat Resistant Paint And Bearing– Firm Supply.Firm To Provide Trial Report. , Emergency Diesel Alternator (M/S Gmmco) 2 - Overhaul Local Operating Control Panel And All Auxiliary Contactors To Be Removedandtobecleanedwithcvcsolution.Renewdefectiveaux. Contacts.Overhaulelectricstartermotorandrenewwearandtear Brushes/Defective Consumables. (Maintenance Schedule No. Lp-04). Spares – Cg Supply.Material – Firm Supply. , Emergency Diesel Alternator (M/S Gmmco) 3 - Carry Out Functional Checks Of Da Start/Stop And Parameters Monitoring Display. Carry Out Performance Checks For Safety Of Main And All Out Going Feeder For Automatic Tripping As Per Rating. Performance Checks Report To Be Handed Over To Ship.(Maintenance Schedule No. Lp-04). Spares – Cg Supply. Material – Firm Supply.Firm To Handover Trial/Performance Check Report To Ss , Emergency Diesel Alternator (M/S Gmmco) 4 - 02 In No Shaft Generator (415 V, 3 Phase, 50 Hz,2300Kw / 2900 Kva, M/S Avk Model- Dsu 99K1-4W) To Be Checked As Part Of Yearly Routines Examination Of Power Cables, Cables Entry. Cables And Ct On Terminal Box. Cleaning And Examination Of Insulators For Cracks. Check And Re-Tightening Of All Screws And Nuts In Main And Auxiliary Terminal Box By Dynamometric Key. Inspection Of Stator And Rotor Winding With Endoscope. Inspection Report To Be Handed Over To Ship. (Maintenance Schedule No. Lp-02)Spares- Cg Supply. Material - Firm Supply.Inspectionreportandtrial/Performance Report To Be Submitted By Firm. , Emergency Diesel Alternator (M/S Gmmco) 5 - Rotorwindinginsulationtobe Measuredwith Meggerwhenalternator Reached Ambient Temperature. Carry Out Functional Checks On Completion In Boost Mode Of Propulsion. (Maintenance Schedule No. Lp-02)Spares- Cg Supply. Material - Firm Supply.Inspectionreportandtrial/Performance Report To Be Submitted By Firm. Total Quantity : 1
