OVERHAULING OF MAIN ENGINE - RM.0819

Amount

OVERHAULING OF MAIN ENGINES (Service Part)

MAIN ENGINE SURVEY E 25009 : MAIN ENGINE ( SURVEY ) TYPE : STX MAN - B&W MODEL: 7 S 50MC-C8 BHP : 15500 BHP @ 127 RPM VENDOR TO SUPPLY ONE PNEUMATIC /HYDRAULIC P/P (1500 BAR) ALONG WITH NECESSARY CONNECTIONS FOR REQUIRED MAIN ENGINE JOBS WORK SPECIFICATION : COMPLETE DECARBONISATION OF MAIN ENGINE UNITS 1. ALL WORK TO BE CARRIED OUT STRICTLY AS PER THE MAKER’S MAINTENANCE INSTRUCTIONS TAKING ALL SAFETY PRECAUTIONS. ALL SPARES AND TOOLS (SHIP’S SUPPLY). ALL NECESSARY PARTS TO BE SHOWN TO SURVEYORS FOR THEIR APPROVAL. E25009.1 : M.E. UNIT NOS 1 TO 7(ALL SIX UNITS)TO BE SURVEYED. - 7.00 NO

UNIT ISOLATION AND CYLINDER HEAD REMOVAL E25009.2 : 2. ISOLATE THE UNITS - DRAIN COOLING WATER FUEL OIL ETC. REMOVE ALL NECESSARY CYLINDER HEAD CONNECTIONS REMOVE CYLINDER HEADS WITH EXHAUST VALVES AND PISTONS WITH STUFFING BOX AND TRANSPORT SAME TO YARD WORKSHOP. - 7.00 NO

CYLINDER HEAD DISASSEMBLY AND INSPECTION E25009.3 : 3. DISCONNECT AND REMOVE ALL CYLINDER HEAD MOUNTINGS. DISMANTLE CYLINDER HEADS AND SEPARATE THEM FROM COOLING JACKETS. THROUGHLY CLEAN CYLINDER HEADS AND COOLING JACKET SURFACES. RENEW ALL “O”RINGS AND ASSEMBLE CYLINDER HEADS AND COOLING JACKETS. CYLINDER HEAD COOLING SURFACES TO BE PRESSURE TESTED TO 06 KGS / CM2 AND SHOWN TO 2EO & CEO.ALL CYLINDER HEAD MOUNTINGS POCKETS AND SEATS TO BE THROUGHLY CLEANEDAND SEATS TO BE LAPPED. FUEL VALVE NOZZLE AREA TO BE CHECKED FOR CORROSION ATTACK AND IF SAME EXCEEDS DEPTH OF 8 MMS THEN RECONDITIONING TO BE DONE AS PER MAKER’S INSTRUCTIONS. CYLINDER AIR STARTING V/VS AND INDICATOR VALVES TO BE O’HAULED AND TESTED TO PROOVE SATISFACTORY OPERATION AND SHOWN TO 2EO / CEO. CYLINDER HEAD RELIEF V/VS TO BE PRESSURE TESTED TO CORRECT OPENING PRESSURE AS MARKED ON FLANGE OF THE HOUSING & SHOWN TO 2 E/O & CEO. INDICATOR V/VS LEAK TEST TO BE SHOWN TO 2EO / CEO. AFTER THE SURVEYORS & SUPTD. APPROVAL ALL THE MOUNTINGS TO BE ASSEMBLED & FITTED BACK IN PLACE AS THE ORIGINAL. - 7.00 NO

EXHAUST VALVE OVERHAULING E25009.4 : 4. DISMANTLE THE EXHAUST V/VS COMPLETELY. THROUGHLY CLEAN ALL PARTS & SHOWN TO SURVEYORS &SUPTD. RENEW ALL WORN / DEFECTIVE PARTS AS REQUIRED & ALL SEAL RINGS FROM SHIP’S SPARES. CHECK THE VALVE & SEATS & IF REQUIRED GROUND THE VALVES & SEATS AS PER MAKER’S INSTRUCTIONS. THROUGHLY CLEAN EXHAUST V/VS COOLING WATER SURFACES & PRESSURE TEST TO 06 KGS / CM2 IN PRESENCE OF SURVEYORS & SUPTD. AFTER THEIR APPROVAL ASSEMBLE THE EXHAUST VALVES AS THE ORIGINAL AND FIT THE EXHAUST VALVES IN PLACE ON CYLINDER HEADS & TIGHTEN THE NUTS HYDRAULICALLY AT 1500 BARS.ALL CYLINDER HEAD ASSSEMBLIES TO BE TRANSPORTED BACK ONBOARD. - 7.00 NO

CYLINDER LINER REMOVAL AND INSPECTION E25009.5 : 5. ALL UNITS CYLINDER LINERS TO BE REMOVED AS PER MAKER’S INSTRUCTIONS & TRANSPORTED TO YARD’S WORKSHOP. ALL LINER SURFACES & SCAVENGE PORTS TO BE THROUGHLY CLEANED. L.O.QUILL PASSAGES TO BE THROUGHLY BLOWN THROUGH WITH COMPRESSED AIR & CLEARED. LINERS TO BE CALIBRATED AND READINGS TO BE RECORDED. IF REQUIRED HONNING TO BE CARRIED OUT AS PER MAKERS GUIDANCE. CARRY OUT DYE CHECK ON ALL CYLINDER LINERS IN WAY OF TOP AND BOTTOM L.O.GROOVES FOR DETECTING CRACKS IF ANY & SHOWN TO SURVEYORS & SUPDT.ALL L.O.QUILLS TO BE O’HAULAND & FUNCTION TESTED IN PRESENCE OF 2EO / CEO. ALL LINERS TO BE TRANSPORTED BACK ONBOARD ALL JACKET SURFACES TO BE THROUGHLY CLEANED & DYE TEST TO BE CARRIED OUT IN PRESENCE OF SURVEYORS & SUPDT .ALL LINER CALIBRATIONS TO BE SHOWN TO SURVEYORS & SUPTD. & AFTER THEIR APPROVAL ALL LINERS TO BE BOXEDBACK IN PLACE AS THE ORIGINAL USING NEW SEAL RINGS.(SHIP’S SUPPLY).L.O. QUILLS TO BE FITTED BACK IN PLACE AS THE ORIGINAL. - 7.00 PC

PISTON DISASSEMBLY AND WEAR CHECK E25009.6 : 6. DISMANTLE ALL PISTONS AND STUFFING BOXES. ALL PARTS TO BE THROUGHLY CLEANED AND EXAMINED. D.P.TESTS TO BE CARRIED OUT ON PISTON CROWNS AND PISTON SKIRTS AND CHECKED FOR FRETTING AND CRACKS AS PER MAKER’S INSTRUCTIONS. CHECK THE PISTON CROWN WEAR DOWN BY WEAR DOWNGAUGE PISTON RING GROOVES TO BE THROUGHLY CLEANED.GROOVES & PISTON RINGS TO BE CALIBRATED & READINGS TO BE RECORDED.ALL PARTS TO BE PRESENTED TO SURVEYORS & SUPTD & AFTER THEIR APPROVAL ASSEMBLE ALL PISTONS AS PER MAKER’S INSTRUCTIONS. ALL PISTONS TO BE PRESSURE TESTED TO 7 BARS IN PRESENCE OF SURVEYORS & SUPTD. PISTON ROD TO BE GAUGED. PISTON ROD STUFFING BOX ALL PARTS TO BE THROUGHLY CLEANED. STUFFING BOX CALIBRATIONS TO CHECK AND RECORD THE READINGS. ALL WORNOUT / DAMAGED PARTS TO BE RENEWED FROM SHIP’S SPARES.STUFFING BOXES TO BE ASSEMBLED ON PISTON RODS USING NEW SEAL RINGS. PISTON RODS ALONG WITH STUFFING BOXES TO BE TRANSPORTED BACK ONBOARD. - 7.00 PC

CROSSHEAD AND STUFFING BOX ASSEMBLY E25009.7 : 7. CROSS HEAD SURFACES TO BE CLEANED THOROUGHLY. LOWER THE PISTONS IN PLACE ALONG WITH THE STUFFING BOXES AND TIGHTEN THE NUTS AS PER MAKER’S INSTRUCTIONS.STUFFING BOX BOLTS TO BE TIGHTENED. ALL LASHINGS TO BE RESTORED. LOWER THE CYLINDER HEADS ALONG WITH EXHAUST V/VS AND TIGHTEN THE NUTS. ALL CYLINDER HEAD CONNECTIONS TO BE RESTORED BACK AS THE ORIGINAL. C.W. TO BE TRIED OUT AND ENSURE NO LEAKAGES. F.O. & L.O. TO BE TRIED OUT. F.O.LINES TO BE PRIMED. CONSIDER RENEWAL OF 12 NOS OF EXHAUST MANIFOLD BOLTS. EXHAUST MANIFOLD LAGGINGS TO BE RENEWED AS THE ORIGINAL (VENDOR SUPPLY). - 7.00 PC

PISTON AND SCAVENGE SPACES CLEANING E25009.8 : 8. ALL UNITS UNDER PISTON AND SCAVENGE SPACES TO BE THROUGHLY CLEANED. EXHAUST MANIFOLD INSPECTION DOORS TO BE OPENED UPFOR CLEANING. ENTIRE EXHAUST MANIFOLD TO BE THROUGHLY DECRBONISED & CLEANED USING WIRE BRUSHES & SHOWN TO CEO / 2EO. TURBO CHARGER INLET GRIDS TO BE THROUGHLY CLEANED & INSPECTED FOR WEAR DOWN / DAMAGE. SAME TO REPAIR OR RENEW. ALL UNDER PISTON & SCAVENGE SPACES TO BE INSPECTED. EXHAUST MANIFOLD INSPECTION DOORS & UNDER PISTON & SCAVENGE SPACE DOORS TO BE BOXED BACK AS THE ORIGINAL USING NEW JOINTS (VENDORSUPPLY).CONSIDER RENEWAL OF 24 NOS BOLTS / STUDS WITH NUTS OF ASSORTED SIZES. C/CASE TO BE THROUGHLY CLEANED & INSPECTED. C/CASE DOORS TO BE BOXED BACK AS THE ORIGINAL USING NEW RUBBER RINGS (VENDOR SUPPLY). - 7.00 PC

ME TURNING E25009.9 : 9. M.E. TO BE TURNED ON TURNING GEAR WITH L.O. PUMP RUNNING FOR SOME TIME. SATISFACTORY RUNNING TRIAL TO BE GIVEN TO THE SATISFICATION OF SHIP’S STAFF. - 1.00 LS

AIR DISTRUBOTOR & MAIN MASTER VALVE O/H E25009.10 : 10. MAIN ENGINE STARTING AIR DISTRUBOTOR AND MAIN MASTER VALVE TO O/HAUL THROUGH MAKER'S SERVICE ENGINEER (SPARE SHIP'S SUPPLY). - 1.00 SET

EXHAUST VALVE SEAT AND VALVE GRINDING E25009.11 : A). GRINDING OF EXHAUST VALVE SEAT AND VALVE BY CHRIS GRINDING MACHINE - 07 NO - 7.00 NO

PISTON TO BE RECONDITIONED E25009.12 : B).CONSIDER 7 NO PISTON TO BE RECONDITIONED. - 7.00 NO

CYLINDER HEAD TO BE RECONDITIONED E25009.13 : C) CONSIDER 7 NO CYLINDER HEAD TO BE RECONDITIONED. - 7.00 NO

MACHINING OF SPINDLE & CAGE REPAIR E25009.14 : D). CONSIDER 07 NOS V/V SPINDLES/SEAT AND CAGE TO REPAIR WITH NIMONIC COATING. - 7.00 NO

MACHINING OF LANDING FACES E25009.15 : E). MACHINING OF LANDING FACES OF AIR STARTING V/VS; EXHAUST V/VS; FUEL V/VS ON CYLINDER HEADS – 07 NOS. - 7.00 No

COMBUSTION SPACES DP TEST E25009.16 : F).CYLINDER COVERS COMBUSTION SPACES TO CHECK FOR CRACKS WITH D.P. TEST – 07 NOS - 7.00 NO

ASH BLASTING OF EX. VALVES BODIES E25009.17 : G). ASH BLASTING OF 08 NOS EXHAUST VALVES BODIES. - 7.00 NO

PISTON CROWNS DP TEST E25009.18 : H). PISTON CROWNS 07 NOS TO CHECK FOR CRACKS WITH D.P. TEST INTERNALLY AND EXTERNALLY. - 7.00 NO

CYLINDER COVER REPAIR E25009.19 : I). CYLINDER COVER EROSION AT FUEL VALVE HOLES TO REPAIR BY MAKER’S RECOMMENDED PROCEDURE. - 7.00 NO

M E ECO CAM MODIFICATION E25009.20 : 11. MAIN ENGINE ECO CAM MODIFICATION TO BE CARRIED OUT . - 1.00 LUMPSUM

MAIN JOURNALS & BEARINGS E 25010: MAIN BEARING & JOURNAL FOR MAIN ENGINE (SURVEY) TYPE : STX MAN - B&W MODEL: 7 S 50MC-C8 BHP : 15500 BHP @ 127 RPM WORK SPECIFICATION: OURNALS & BEARINGS FOR MAIN ENGINE OR AS PER SURVEYOR TO BE OPENED UP FOR O’HAUL/ INSPECTION AND SURVEY. ALL WORK TO BE CARRIED OUT STRICTLY AS PER THE MAKER’S MAINTENANCE INSTRUCTIONS & PROCEDURES BY TAKING ALL NECESSARY SAFETY PRECAUTIONS. ALL TOOLS AND SPARES SHIP’S SUPPLY. - 8.00 PC

CRANK SHAFT DELECTIONS E25010.2 : 2. MEASURE AND RECORD M.E.CRANK SHAFT DELECTIONS BEFORE COMMENCEMENT OF WORK & AFTER COMPLETION OF WORK (AFLOAT) - 1.00 LS

REMOVE L.O.CONNECTIONS E25010.3 : 3. REMOVE L.O.CONNECTIONS OF SAID BEARING'S AND MEASURE & RECORD MAIN BEARING TOP CLEARANCES USING BRIDGE GAUGE BEFORE COMMENCEMENT OF WORK AND AFTER THE COMPLETION OF WORK. DISMANTLE AND REMOVE MAIN BEARINGS TOP HALF OF BEARING CAP. REMOVE TOP HALF OF THE BEARING SHELL. IF NECESSARY WITHDRAW LOWER HALF OF BEARING SHELLS. - 1.00 LS

CLEAN ALL PARTS E25010.4 : 4. THOROUGHLY CLEAN ALL PARTS SCORING IF ANY ON THE MAIN JOURNALS TO BE DRESSED UP AND POLISHED. MAIN JOURNAL TO BE GAUGED AT DIFFERENT PLACES AND READINGS TO BE RECORED. ALL PARTS TO BE PRESENTED TO THE SURVEYORS AND AFTER THEIR APPROVAL ALL PARTS TO BE ASSEMBLED AND FITTED BACK IN PLACE WITH PROPER CLEANLINESS; LUBRICATION REQUIRED AND TIGHTENED HYDRAULICALLY AS THE ORIGINAL. -

CALIBRATION READINGS E25010.5 : 5. ALL CALIBRATION READINGS TO BE SUBMITTED TO CEO. CRANK CASE TO BE THROUGHLY CLEANED AND INSPECTED; C / CASE DOORS TO BE BOXED BACK. - 1.00 LS

CRANK PIN BEARING CLEARANCE MEASUREMENT E 25011 : BOTTOM END BEARINGS/ CRANK PINS AND WEBS FOR MAIN ENGINE (SURVEY) TYPE : STX MAN - B&W MODEL: 7 S 50MC-C8 BHP : 15500 BHP @ 127 RPM WORK SPECIFICATIONS : E 25011.1 : 1. M/E NO 1 2 3 4 5 6 & 7UNITS CRANK PIN BEARINGS OR AS PER SURVEYOR FOR MAIN ENGINE TO BE OPENED UP FOR O’HAUL/ INSPECTION AND SURVEY. ALL WORK TO BE CARRIED OUT STRICTLY AS PER THE MAKER’S MAINTENANCE INSTRUCTIONS AND PROCEDURES; TAKING ALL NECESSARY SAFETY PRECAUTIONS. ALL TOOLS AND SPARES SHIP’S SUPPLY. - 7.00 No E 25011.2 : 2. MEASURE AND RECORD SAID CRANK PIN BEARINGS CLEARANCES BEFORE COMMENCEMENT OF WORK AND AFTER THE COMPLETION OF WORK. LOOSEN AND REMOVE THE NUTS OF CRANK PIN BEARIGS STUDS HYDRAULICALLY. LOWER THE BOTTOM BEARING CASE INSIDE THE CRANK CASE FOR BEARING SHELL INSPECTION. IF REQUIRED REMOVE THE BEARING CAP ALONG WITH BEARING SHELL FROM THE CRANCASE. - 7.00 NO

MOUNT THE SUPPORTS FOR THE GUIDE SHOES E 25011.3 : 3. MOUNT THE SUPPORTS FOR THE GUIDE SHOES ON THE CROSS HEAD GIUDES. TURN DOWN THE CRANK UNTILL THE CROSSHEAD SHOES RESTS ON THE SUPPORTS. SWING OUT THE CONNECTING ROD SO THAT THE BEARING SHELL AND CRANK PIN CAN BE CLEARLY SEEN AND INSPECTED. - 1.00 LS

CRANK PIN CLEANING, GAUGING E 25011.4 : 4. THROUGHLY CLEAN ALL PARTS SCORING IF ANY ON THE CRANK PIN TO BE DRESSED UP AND POLISHED. CRANK PIN TO BE GAUGED AT DIFFERENT PLACES & READINGS TO BE RECORED. ALL PARTS TO BE PRESENTED TO THE SURVEYORS & AFTER THEIR APPROVAL ALL PARTS TO BE ASSEMBLED AND FITTED BACK IN PLACE WITH PROPER CLEANLINESS LUBRICATION REQUIRED AND TIGHTENED HYDRAULICALLY AS THE ORIGINAL. - 1.00 LS E 25011.5 : 5. ALL CALIBRATION READINGS TO BE SUBMITTED TO CEO. CRANK CASE TO BE THROUGHLY CLEANED AND INSPECTED C / CASE DOORS TO BE BOXED BACK. - 1.00 LS

CROSS HEAD BEARING CLEARANCE MEASUREMNET E 25012 : X - HEAD BEARINGS PINS AND GUIDES FOR MAIN ENGINE (SURVEY) TYPE : STX MAN - B&W MODEL: 7 S 50MC-C8 BHP : 15500 BHP @ 127 RPM WORK SPECIFICATIONS : E 25012.1 : 1. NO 1 2 3 4 5 6 &7 UNITS CROSS HEAD BEARINGS FOR MAIN ENGINE TO BE OPENED UP FOR INSPECTION & SURVEY. ALL WORK TO BE CARRIED OUT STRICTLY AS PER THE MAKER’S MAINTENANCE INSTRUCTIONS & PROCEDURES; TAKING ALL NECESSARY SAFETY PRECAUTIONS. ALL TOOLS AND SPARES SHIP’S SUPPLY. - 7.00 PC E 25012.2 : 2. MEASURE AND RECORD SAID CROSS HEAD BEARINGS CLEARANCES BEFORE COMMENCEMENT OF WORK & AFTER THE COMPLETION OF WORK. LOOSEN AND REMOVE TOP END BEARING CAPS AND SHELLS ( FWD / AFT ). SWING OUT THE CONNECTING ROD FOR THE INSPECTION OF BOTTOM BEARING SHELL - 1.00 LS

CROSS HEAD CLEANING, GAUGING E 25012.3 : 3. THOROUGHLY CLEAN ALL PARTS. SCORING IF ANY ON THE CROSS HEAD PIN TO BE DRESSED UP AND POLISHED.CROSS HEAD PIN TO BE GAUGED AT DIFFERENT PLACES & READINGS TO BE RECORED. HANG THE BOLTS FOR SURVEY. ALL PARTS TO BE PRESENTED TO THE SURVEYORS AND AFTER THEIR APPROVAL ALL PARTS TO BE ASSEMBLED & FITTED BACK IN PLACE WITH PROPER CLEANLINESS LUBRICATION REQUIRED AND TIGHTENED HYDRAULICALLY AS THE ORIGINAL. - 1.00 LS E 25012.4 : 4. ALL CALIBRATION READINGS TO BE SUBMITTED TO CEO. CRANK CASE TO BE THROUGHLY CLEANED AND INSPECTED C / CASE DOORS TO BE BOXED BACK.

CAM SHAFT ALIGNMENT CHECK E 25013 : M.E. CAMSHAFT DRIVES & ROLLER GUIDES (SURVEY). REVERSING GEAR TO BE PRESENTED FOR SURVEY. TYPE : STX MAN - B&W MODEL: 7 S 50MC-C8 BHP : 15500 BHP @ 127 RPM WORK SPECIFICATIONS: ALL IMPORTANT WORK TO BE SHOWN TO THE SURVEYOR & AFTER HIS APPROVAL ONLY PARTS TO BE BOXED BACK. E 25013.1 : 1. ALIGNMENT TO BE CHECKED BETWEEN CAMSHAFT & CHAIN WHEEL SHAFT AT THE DRIVE END COUPLING & BETWEEN EACH SECTION AT SUBSEQUENT FLANGE COUPLINGS. - 1.00 SET

MOMENT COMPENSATOR CHAIN ADJUSTEDMENT E 25013.2 : 2. MOMENT COMPENSATOR CHAIN TO BE ADJUSTED AND TIGHTENED AS REQUIRED WITH THE TWO FLY WEIGHTS IN A VERTICAL DOWNWARD POSITION. - 1.00 SET

AFT CHAIN TIGHTENING E 25013.3 : 3. AFT CHAIN TO BE TIGHTENED AS PER MAKERS INSTRUCTIONS. - 1.00 SET

ADJUSTMENT/TIMING OF CONTROL GEAR E 25013.4 : 4. ADJUSTMENT/TIMING OF CONTROL GEAR TO BE DONE AS PER MAKERS INSTRUCTIONS. - 1.00 SET

EXHAUST V/V AND FUEL P/P ROLLER GUIDE E 25013.5 : 5. TO CHECK ALL UNITS EXHAUST V/V AND FUEL P/P ROLLER GUIDES AND RECTIFY FAULTS AS APPLICABLE. CLEARANCES OF ROLLER/ BUSHING/ SHAFT PIN TO CHECK (MAX. 0.5MM). REVERSING LINK FOR FUEL P/P ROLLER GUIDE TO CHECK FOR CRACKS BY DP TEST AS PER B&W SERVICE LETTER SL97-345/UM. FUEL P/P GUIDE BLOCK SCREWS TO CHECK AND CHANGE AS PER B&W SERVICE LETTER & MISSING ONES TO RENEW. - 1.00 LS

GUIDE BAR TO CHECK E 25013.6 : 6. GUIDE BARS ON DRIVE CHAIN AND MOMENT COMPENSATOR CHAIN TO CHECK AND RENEW.(SPARE SHIP SUPPLY) AS APPROPRIATE. - 2.00 PC

REVERSING LINKS & FUEL PUMP ROLLER GUIDE E 25013.8 : 8. REVERSING LINKS TO CHECK FOR CRACKS WITH MPI TEST. FUEL PUMP ROLLER GUIDES TO CHECK FOR CRACKS WITH MPI TEST. IF FOUND CRACKS ROLLER GUIDES TO DISMANTLE. NEW ROLLER GUIDE TO FIT WITH NEW REVERSING LINKS. (SPARES OWNER SUPPLY). - 1.00 SET

TIGHTNESS OF CAMSHAFT COUPLING BOLTS TO E 25013.9 : 9. TIGHTNESS OF CAM SHAFT COUPLING BOLTS (8 NOS.) TO CHECK FOR TIGHTNESS (700 NM) FOR CHECKING CHAIN CASING COVER HAVING 60 NOS. BOLTS TO REMOVE & QUOTE ACCORDINGLY. 1.00 LS

REVERSING GEAR TO SURVEY E 25013.10 : 10. REVERSING GEAR TO BE PRESENTED FOR SURVEY. - 1.00 SET

TIE BOLTS TO CHECK E 25014 : PRE-TENSIONING STAY BOLTS / TIE BOLTS FOR MAIN ENGINE (SURVEY ) TYPE : STX MAN - B&W MODEL: 7 S 50MC-C8 BHP : 15500 BHP @ 127 RPM WORK SPECIFICATIONS : E25014.1 : TIE BOLTS TO BE CHECKED FOR PRETENSION. HYDRAULIC DISMANTLING PRESSURE 1400 - 1650 BAR. D1 - 1500 BAR D2 - 0.4 MM - 32.00 NO

STAY BOLTS RETIGHTENING E25014.2 : 2. STAY BOLTS TO BE RETIGHTENED IN PAIRS; WORKING FROM THE MIDDLE TOWARDS ONE END AND THEN FROM THE MIDDLE AGAIN TOWARDS THE OTHER END. - 1.00 LS

STAY BOLTS RETIGHTENING E25014.3 : 3. HYDRAULIC PRESSURE TO BE MAINTAINED AT D1 AND STAY BOLT NUTS RETIGHTENED WITH A TOMMY BAR MAKING SURE NUTS BEARING AGAINST CONTACT FACE WITH A FEELER GUAGE. - 1.00 LS

STAY BOLTS RETIGHTENING E25014.4 : 4. AFTER COMPLETING ALL BOLTS THE FIRST PAIR OF STAY BOLTS TO BE TIGHTENED TO 10% BELOW D1 AND NUT TO BE CHECKED FOR LOOSENESS. IF FOUND LOOSE ALL STAY BOLTS TO BE TIGHTENED ONCE AGAIN. IF NOT LOOSE THE FIRST PAIR TO BE TIGHTENED TO D1. - 1.00 LS

STAY BOLTS RETIGHTENING E25014.5 : 5. D2 TO BE CHECKED BETWEEN CONTACT FACE OF LOWERMOST NUT AND BEDPLATE. - 1.00 LS

PIPE DISMOUNTING E 25015 : HYDRAULIC ACTUATORS FOR M.E. EXH. V/V (7 NOS.) - (SURVEY) TYPE : STX MAN -B&W MODEL: 7 S 50MC-C8 BHP : 15500 BHP @ 127 RPM WORK SPECIFICATIONS: E 25015.1 : ALL 7 UNITS INLET PIPES; DRAIN PIPES & HIGH PRESSURE PIPES TO BE DISMOUNTED. - 7.00 PC

MOUNTINGS FOR INDICATOR DRIVES E 25015.2 : MOUNTINGS FOR INDICATOR DRIVES TO BE RELEASED. - 1.00 LS

ROLLER E 25015.3 : ROLLER TO REST ON BASE CIRCLE OF CAM . - 1.00 LS

HOUSING & PISTON TO LIFT. PISTON RINGS T E 25015.4 : HOUSING AND PISTON TO BE LIFTED (PISTON TO BE RELEASED FROM BAYONET LOCK BY DISMANTLING LOCKING PLATE AND TURNING BY 90 DEG.). PISTON RINGS TO BE RENEWED AS REQUIRES. MINIMUM THICKNESS = 3.8MM - 7.00 UNIT

OIL CYLINDER LINER CALIBRATION E 25015.5 : OIL CYLINDER LINER TO CALIBRATE . MAXIMUM DIA = 71.2 MM - 1.00 LS

V/VS OVERHAULING E 25015.6 : SAFETY V/VS AND NON RETURN V/VS TO BE OVERHAULED - 7.00 PC ALL ITEMS TO FIT BACK IN GOOD WORKING ORDER. HYDRAULIC ACTUATOR TIGHTENING TORQUE =300Nm. LOCKING PLATE TIGHTENING = 10 NM ABOVE TO PRESENTED FOR SURVEY.

FUEL PUMP TIMING E 25016 : FUEL PUMPS FOR MAIN ENGINE (SURVEY) TYPE : STX MAN-B&W MODEL: 7 S 50MC-C8 BHP : 15500 BHP @ 127 RPM WORK SPECIFICATIONS: TIGHTENING TORQUE FOR PUNCTURE V/V AND SUCTION V/V 650 Nm. E25016.1 : ALL UNITS FUEL PUMPS TIMINGS TO BE CHECKED AND RECORDED. DEVIATION FROM ORIGINAL SETTINGS TO BE CORRECTED. - 7.00 UNIT

SUC V/V & PUNCTURE V/V O/H E25016.2 : ALL UNITS SUC. V/V AND PUNCTURE V/V TO BE OVERHAULED AND FITTED BACK. SEAL RINGS TO BE RENEWED (SHIP SUPPLY). - 7.00 UNIT

FUEL P/P SHOCK ABSORBERS DISMANTLE E25016.3 : ALL FUEL P/P SHOCK ABSORBERS TO BE DISMANTLED; CHECKED FOR CRACKS AS PER B&W SERVICE LETTER AND BOXED BACK. SPARES IF ANY TO BE SUPPLIED BY OWNER. - 7.00 UNIT

FUEL PUMP O/H 7.00 NUM E25016.4 : UNIT NOS. 1 2 3 4 5 6 AND 7 FUEL P/PS TO BE DISMANTLED; PRESENTED FOR SURVEY AND BOXED BACK WITH NEW SEAL RINGS. NEW BARREL & PLUNGERS TO FIT ACCORDINGLY IF HAVING EXCESSIVE CLEARANCE (SHIP SUPPLY). FUEL P/P TIMINGS TO BE CHECKED/ADJUSTED THEREAFTER. - 7.00 UNIT

REVERSING MECHANISM OVERHAUL E25016.5 : ALL UNITS REVERSING MECHANISM TO BE OVERHAULED. CLEARANCES BETWEEN ROLLER GUIDE AND GUIDE PLATE; GUIDE WAY AND PIN OF REVERSING LINK TO BE CHECKED IN AHEAD AND ASTERN POSITION. - 1.00 SET

FUEL PUMP ROLLER GUIDE E25016.6 : FUEL PUMP ROLLER GUIDE ALLEN BOLT TIGHTNESS AND DOWEL PIN CONDITION TO BE CHECKED. IF FOUND ANY DAMAGE. - 7.00 UNIT

EXHAULT VALVE TIMIMG E25016.7 : EXHAUST VALVE TIMING TO CHECK. - 7.00 UNIT

PUMP SURVEY E25016.8 : PUMP NO. - 1 2 3 4 5 6 AND 7 TO BE PRESENTED FOR SURVEY. - 7.00 NO

SYSTEM CHECK E 25017 : MAIN ENGINE CYLINDER LUBRICATORS (SURVEY) TYPE : STX MAN-B&W MODEL: 7 S 50MC-C8 BHP : 15500 BHP @ 127 RPM CYLINDER LUBRICATOR: MAKE ATLAS X 2 NO. OF LUB OIL POINT: 6/ UNIT WORK SPECIFICATIONS: E 25017.1 : COMPLETE SYSTEM CONSIST OF a)PUMP STATION b) ALCU c) HUMAN MACHINE INTERFACE(HMI) - PANEL d) 07 SETS OF LUBRICATORS - ONE FOR EACH ME CYL UNIT e)LOAD TRANSMITTER f) SHAFT ENCODER g)BACKUP TRIGGER SYSTEM. - 7.00 UNIT E 25017.2 : COMPLETE SYSTEM TO BE CHECKED AS PER TESTBED TRIAL TEST SCHEME & DOCK TRIAL COMMISSIONING PROCEDURE - 1.00 LS

M E CYLINDER LUBRICATORS INSPECTION E 25017.3 : ALL 07 SETS OF LUBRICATOR TO BE CHECKED FOR PROPER OPERATION BOTH ACCUMULATORS TO BE CONFIRMED OF CORRECT NITROGEN PRESSURE AS PER MAKER. - 7.00 UNIT

CYLINDER OIL ADMISSION E 25017.4 : TIMINGS OF CYLINDER OIL ADMISSION TO BE CHECKED AS PER MAKER’S INSTRUCTIONS AND RECORDED. - 7.00 UNIT

CYLINDER LUBRICATOR ADJUSTMENT E 25017.5 : ADJUSTMENT OF CYLINDER LUBRICATOR TO BE CARRIED OUT IF REQUIRED.SATISFACTORY TRIAL TO BE SHOWN TO CEO/SUPDT. - 7.00 UNIT JOB TO BE CARRIED OUT IN PRESENCE OF MAKERS SERVICE ENGINEER.

TOP BRACINGS BEAMS TO BE CHECKED E 25018 : MAIN ENGINE TOP BRACING BEAM (SURVEY) TYPE : STX MAN-B&W MODEL: 7 S 50MC-C8 BHP : 15500 BHP @ 127 RPM TOP BRACING MAKE :HANMI HYDRAULIC MACHINERIES TYPE: HTBS200-30 WORK SPECIFICATIONS: E25018. 1 : MAIN ENGINE 02 NOS TOP BRACINGS BEAMS TO BE CHECKED FOR MISALIGNMENT AND INSTALLATION TOLERANCES.TO DO ADJUSTMENTS AS NECESSARY. - 2.00 PC

ACCUMULATOR E25018. 2 : ACCUMULATOR TO BE PRESSURE TESTED TO OEM SET PRESSURE. IF LEAKAGE IS FOUND SAME TO BE RECHARGED. - 2.00 PC

PISTON AND LINER E25018. 3 : PISTON AND LINER TO BE OPENED AND RECONDITIONED. LINER TO BE HONED. SEALS TO BE RENEWED, SPARES VENDOR SUPPLY. - 2.00 PC E20018. 4 : TO CHECK PROPER FUNCTIONING OF TOP BRACING CONTROL SYSTEM ON AUTO MODE AND WORKING OF MCR PSP SWITCH. SATISFACTORY TRIALS TO BE SHOWN DURING SEA TRIALS. - 1.00 LS

ME AIR COOLER TUBE E 25019 - M.E. AIR COOLER AND SCAVENGE AIR SYSTEM (SURVEY) TYPE : STX MAN-B&W MODEL: 7 S 50MC-C8 BHP : 15500 BHP @ 127 RPM AIR COOLER SPECS : WEIGHT 2190 KG/ MAKE DONG HWA ENTEC KOREA HYD. TEST PRESS 8 BAR COOLING SURFACE 732.2 M3. WORK SPECIFICATIONS : ALL WORK TO BE CARRIED OUT STRICTLY AS PER THE MAKER’S MAINTENANCE INSTRUCTIONS AND PROCEDURES TAKING ALL SAFETY PRECAUTIONS. ALL SPARE AND TOOLS (SHIP’S SUPPLY ). E25019. 1 : 1. AIR COOLER TUBE NEST TO BE PULLED OUT REMOVED & TRANSPORTED TO YARD W/SHOP TO TAKE DUE CARE OF FINS. TUBE NESTS TO BE CHEMICALLY CLEANED AT RECOMMANDED TEMPERATURE AS PER CHEMICAL MAKER’S RECOMMANDATIONS.(CHEMICAL VENDOR SUPPLY ). AFTER CHEMICAL CLEANING THE TUBE NEST ELEMENTS TO BE THROUGHLY WASHED & CHEMICALS NEUTRALISED & THEN BLOWN THROUGH WITH COMPRESSED AIR. PRESSURE DROP ACROSS ( AIR SIDE ) TO BE SHOWN TO CEO / 2EO IN WORKSHOP. - 1.00 LS

TUBE RENEWAL E25019. 2 : 2. AFTER PRESSURE TEST OF THE AIR COOLER CONSIDER RENEWAL OF 6 NOS OF TUBES. - 6.00 NOS

SIDE COVERS AND END COVERS E25019. 3 : 3. THE SIDE COVERS AND END COVERS TO BE THROUGHLY CLEANED AND INSPECTED. COATINGS TO BE CHECKED. DAMAGED COATINGS TO BE REPAIRED AS THE ORIGINAL. - 1.00 LS

AIR COOLER CLEANING AND V/V O/H E25019. 4 : 4. AIR COOLERS ENGINE SIDE SURFACES TO BE THOROUGHLY CLEANED CHIPPED & PRIMER TO BE APPLIED (PRIMER VENDOR SUPPLY). NON RETURN FLAP V/VS (6 NOS) IN SCAVENGE AIR RECEIVER TO BE O’HAULED & FITTED BACK IN PLACE AS THE ORIGINAL AND PROVE POSITIVE CLOSING. - 100.00M2

AIR COOLER TUBE NESTS FITMENT E25019. 5 : 5. AIR COOLER TUBE NESTS TO BE BROUGHT BACK ONBOARD TAKING DUE CARE OF FINS AND FITTED BACK IN PLACE AS THE ORIGINAL USING NEW JOINTS & SEAL RINGS (VENDOR SUPPLY). - 1.00 SET

STUDS AND NUT RENEWAL E25019. 6 : 6. CONSIDER RENEWAL OF 12 NOS STUDS & NUTS OF ASSORTED SIZES. - 12.00 PCS

AIR COOLER PT E25019. 7 : 7. AIR COOLER WATER SIDE TO BE PRESSURE TESTED AT 6.0 KG / CM2 PRESSURE AND SHOWN TO CEO/2EO. - 1.00 SET

B/F VALVE OVERHAU,ING E25019. 8 : 8. AUX. BLOWER BUILT IN BUTTERFLY VALVES TO BE OVERHAULED AND FITTED BACK AS ORIGINAL. - 1.00 SET

MANOMETER OVERHAUL E25019. 9 : 9. MANOMETER TO O’HAUL DEFECTIVE PARTS TO RENEW (VENDOR SUPPLY) & FIT BACK WITH LIQUID & MADE OPERATIONAL. - 1.00 PCS

WATER MIST CATCHER E25019. 10 : 10. WATER MIST CATCHER FOR AUTO DRAINING THE WATER FROM SCAVENGEING SYSTEM IS MAL FUNCTIONING (SCAVENGE AIR LEAKS CONTINUOUSLY TO DRAIN LINE) SAME TO OVER HAUL. - 1.00 SET

MAIN ENGINE OIL MIST DETECTOR E 25022 : MAIN ENGINE OIL MIST DETECTOR (SURVEY) MAKER : GRAVINER TYPE : M K6 24V. DC 2AMP.(MAX.) WORK SPECIFICATIONS ALL WORK TO BE CARRIED OUT STRICTLY AS PER THE MAKER’S MAINTENANCE INSTRUCTIONS & PROCEDURES TAKING ALL SAFETY PRECAUTIONS. ALL SPARES & TOOLS ( SHIP’S SUPPLY ). E 20022. 1 : 1. TO SERVICE THE MAIN UNIT & SEVEN DETECTOR HEADS CALIBRATE THE SYSTEM PALSTIC BAG AND TEST VAPOUR (VAPOUR DISTILLATE FROM SERVICE BOX) FOR EACH UNIT. - 1.00 SET

REPLACEMENT SINTERED BRONZE FILTER E 20022. 2 : 2. REPLACE THE SINTERED BRONZE FILTER IN THE MEASURING HEAD & IN THE PRESSURE REDUCER. - 1.00 PC

SIPHON BLOCK PLUGS E 20022. 3 : 3. REMOVE SIPHON BLOCK PLUGS & BLOW – CLEAN THE SIPHON WITH COMPRESSED AIR ( MAX. 07 BARS ) - 1.00 PC

DETECTOR HEADS GLANDS & SEALING STRIPS E 20022. 4 : 4. ALL DETECTOR HEADS GLANDS & SEALING STRIPS SEALING / MOUNTING TO CHECK. - 1.00 SET

FUNCTION CHECK E 20022. 5 : 5. FUNCTION CHECK WITH SAFETY SYSTEM / GOVERNOR TO CONFIRM - 1.00 SET

MAIN THRUST BEARING & THRUST SHAFT TYPE : STX MAN-B&W MODEL: 7 S 50MC-C8 BHP : 15500 BHP @ 127 RPM WORK SPECIFICATION : MAIN THRUST BEARING & THRUST SHAFT TO BE SURVEYED. E 25023. 1 : 1. CHECK & NOTE DOWN THRUST BEARING CLEARANCE BEFORE AND AFTER THE WORK - 1.00 SET

ALL PARTS CLEANING & PRESENTED TO SURVEY E 25023. 2 : 2. TO REMOVE FORWARD & AFT THRUST BLOCK COVERS. THRUST SEGMENTS AND THRUST COLLARS OUT FROM CRANK CASE. ALL PARTS TO BE THROUGHLY CLEANED AND PRESENTED TO SURVEYORS FOR INSPECTION. - 1.00 SET

BOX UP E 25023. 3 : 3. AFTER SURVEYOR’S APPROVAL ALL PARTS TO BE BOXED BACK AS THE ORIGINAL - 1.00 SET

MAIN ENGINE LUBE OIL SUMP TANK E 25024 : MAIN ENGINE LUBE OIL SUMP TANK ( SURVEY ). CAPACITY 26.1 CUBIC METERS TYPE : STX MAN-B&W MODEL: 7 S 50MC-C8 BHP : 15500 BHP @ 127 RPM TANK CAP: 26.1 CUBIC METER WORK SPECIFICATIONS : M.E.L.O. SUMP TANK TO BE OPENED UP FOR SURVEY. E 25024.1 : 1. FOUR NOS MANHOLE DOORS TO REMOVE AND M.E. LUBE OIL SUMP TANK TO BE MANUALLY CLEANED. ABOUT 1 TON OF DIRTY LUBE OIL TO BE PUMPED OUT ASHORE. ALL GRATINGS TO BE CLEANED. AFTER THROUGH CLEANING TANK TO BE PRESENTED TO SURVEYORS FOR INSPECTION. AFTER THEIR APPROVAL TANK TO BE BOXED BACK AS ORIGINAL. - 1.00 LS MANHOLE DOORS GASKETS TO BE RENEWED (VENDOR SUPPLY).

SUMP LOW OIL LEVEL ALARM E 25024.2 : 2. SUMP LOW OIL LEVEL ALARM TO BE CHECKED FOR PROPER OPERATION AND SHOWN TO SUPDT. & SURVEYOR. - 1.00 PC

ARRANGMENT SHORE RECEPTION FACILITY E 25024.3 : QUOTE SEPARATELY FOR ARRANGING SHORE RECEPTION FACILITY FOR LANDING 16000 LTRS OF DIRTY LUB OIL. - 16000.00 LTRS

HOLDING DOWN BOLTS E 25025: RE-TIGHTENING OF HOLDING DOWN BOLTS & END CHOCK BOLTS FOR MAIN ENGINE (SURVEY) TYPE : STX MAN-B&W MODEL: 7 S 50MC-C8 BHP : 15500 BHP @ 127 RPM WORK SPECIFICATIONS: E25025. 1 : 1. HOLDING DOWN BOLTS TIGHTNESS TO BE CHECKED (USING HYDRAULIC JACK MARKED WITH HOLDING DOWN BOLTS) BY RAISING THE HYDRAULIC PRESSURE SLOWLY WHILE CONSTANTLY ATTEMPTING TO LOOSEN THE NUT WITH THE TOMMY BAR. THE OIL PRESSURE INDICATED BY THE PRESSURE GAUGE WHEN THE NUT COMES TO LOOSE (LOOSENING PRESSURE) IS TO BE RECORDED IN THE CHECKING TABLE. THE BOLTS ARE TIGHTENED TO THE NORMAL TIGHTENINIG PRESSURE THEREAFTER. TIGHTENIG PRESSURE 1500 BAR. - 1.00 SET

END CHOCK BOLTS E25025. 2 : 2 END CHOCK BOLTS TIGHTNESS TO BE CHECKED (USING HYDRAULIC JACK MARKED WITH EPOXY CHOCKS) BY RAISING THE HYDRAULIC PRESSURE SLOWLY WHILE CONSTANTLY ATTEMPTING TO LOOSEN THE NUT WITH THE TOMMY BAR. THE OIL PRESSURE INDICATED BY THE PRESSURE GAUGE WHEN THE NUT COMES TO LOOSE (LOOSENING PRESSURE) IS TO BE RECORDED IN THE CHECKING TABLE. THE BOLTS ARE TIGHTENED TO THE NORMAL TIGHTENINIG PRESSURE THEREAFTER. TIGHTENIG PRESSURE – 1500 BAR. - 1.00 PCS

END CHOCK BOLTS E25025. 3 : 3 . END CHOCK BOLTS TIGHTNESS TO BE CHECKED USING HYDRAULIC JACK MARKED WITH END CHOCKS AND RECORDED. THE BOLTS ARE TIGHTENED TO THE NORMAL - 1.00 LS TIGHTENINIG PRESSURE THEREAFTER. TIGHTENIG PRESSURE – 1500 BAR.

HEIGHT OF SUPPORTING CHOCKS ARE TO BE CH E25025. 4 : 4. IMMEDIATELY AFTER FINISHING OF CHECKING OF THE LOOSENING PRESSURES OF THE HOLDING DOWN BOLTS AND THE RETIGHTENING OF THE HEIGHT OF THE EPOXY SUPPORTING CHOCKS ARE TO BE CHECKED. - 1.00 LS WARNING: ACCIDENTAL APPLICATION OF LARGER JACK (MEANT FOR THE END CHOCK BOLTS) ON THE HOLDING DOWN BOLTS WOULD CAUSE SERIOUS OVER-STRESSING OF EPOXY SUPPORTING CHOCKS. TRIALS TO BE UNDERTAKEN POST COMPLETION OF JOBS TO THE SATISFACTION OF CSL / SCI

OVERHAULING OF MAIN ENGINES (Material Part)

MAIN ENGINE SURVEY E 25009 : MAIN ENGINE ( SURVEY ) TYPE : STX MAN - B&W MODEL: 7 S 50MC-C8 BHP : 15500 BHP @ 127 RPM VENDOR TO SUPPLY ONE PNEUMATIC /HYDRAULIC P/P (1500 BAR) ALONG WITH NECESSARY CONNECTIONS FOR REQUIRED MAIN ENGINE JOBS WORK SPECIFICATION : COMPLETE DECARBONISATION OF MAIN ENGINE UNITS 1. ALL WORK TO BE CARRIED OUT STRICTLY AS PER THE MAKER’S MAINTENANCE INSTRUCTIONS TAKING ALL SAFETY PRECAUTIONS. ALL SPARES AND TOOLS (SHIP’S SUPPLY). ALL NECESSARY PARTS TO BE SHOWN TO SURVEYORS FOR THEIR APPROVAL. E25009.1 : M.E. UNIT NOS 1 TO 7(ALL SIX UNITS)TO BE SURVEYED. - 7.00 NO

UNIT ISOLATION AND CYLINDER HEAD REMOVAL E25009.2 : 2. ISOLATE THE UNITS - DRAIN COOLING WATER FUEL OIL ETC. REMOVE ALL NECESSARY CYLINDER HEAD CONNECTIONS REMOVE CYLINDER HEADS WITH EXHAUST VALVES AND PISTONS WITH STUFFING BOX AND TRANSPORT SAME TO YARD WORKSHOP. - 7.00 NO

CYLINDER HEAD DISASSEMBLY AND INSPECTION E25009.3 : 3. DISCONNECT AND REMOVE ALL CYLINDER HEAD MOUNTINGS. DISMANTLE CYLINDER HEADS AND SEPARATE THEM FROM COOLING JACKETS. THROUGHLY CLEAN CYLINDER HEADS AND COOLING JACKET SURFACES. RENEW ALL “O”RINGS AND ASSEMBLE CYLINDER HEADS AND COOLING JACKETS. CYLINDER HEAD COOLING SURFACES TO BE PRESSURE TESTED TO 06 KGS / CM2 AND SHOWN TO 2EO & CEO.ALL CYLINDER HEAD MOUNTINGS POCKETS AND SEATS TO BE THROUGHLY CLEANEDAND SEATS TO BE LAPPED. FUEL VALVE NOZZLE AREA TO BE CHECKED FOR CORROSION ATTACK AND IF SAME EXCEEDS DEPTH OF 8 MMS THEN RECONDITIONING TO BE DONE AS PER MAKER’S INSTRUCTIONS. CYLINDER AIR STARTING V/VS AND INDICATOR VALVES TO BE O’HAULED AND TESTED TO PROOVE SATISFACTORY OPERATION AND SHOWN TO 2EO / CEO. CYLINDER HEAD RELIEF V/VS TO BE PRESSURE TESTED TO CORRECT OPENING PRESSURE AS MARKED ON FLANGE OF THE HOUSING & SHOWN TO 2 E/O & CEO. INDICATOR V/VS LEAK TEST TO BE SHOWN TO 2EO / CEO. AFTER THE SURVEYORS & SUPTD. APPROVAL ALL THE MOUNTINGS TO BE ASSEMBLED & FITTED BACK IN PLACE AS THE ORIGINAL. - 7.00 NO

EXHAUST VALVE OVERHAULING E25009.4 : 4. DISMANTLE THE EXHAUST V/VS COMPLETELY. THROUGHLY CLEAN ALL PARTS & SHOWN TO SURVEYORS &SUPTD. RENEW ALL WORN / DEFECTIVE PARTS AS REQUIRED & ALL SEAL RINGS FROM SHIP’S SPARES. CHECK THE VALVE & SEATS & IF REQUIRED GROUND THE VALVES & SEATS AS PER MAKER’S INSTRUCTIONS. THROUGHLY CLEAN EXHAUST V/VS COOLING WATER SURFACES & PRESSURE TEST TO 06 KGS / CM2 IN PRESENCE OF SURVEYORS & SUPTD. AFTER THEIR APPROVAL ASSEMBLE THE EXHAUST VALVES AS THE ORIGINAL AND FIT THE EXHAUST VALVES IN PLACE ON CYLINDER HEADS & TIGHTEN THE NUTS HYDRAULICALLY AT 1500 BARS.ALL CYLINDER HEAD ASSSEMBLIES TO BE TRANSPORTED BACK ONBOARD. - 7.00 NO

CYLINDER LINER REMOVAL AND INSPECTION E25009.5 : 5. ALL UNITS CYLINDER LINERS TO BE REMOVED AS PER MAKER’S INSTRUCTIONS & TRANSPORTED TO YARD’S WORKSHOP. ALL LINER SURFACES & SCAVENGE PORTS TO BE THROUGHLY CLEANED. L.O.QUILL PASSAGES TO BE THROUGHLY BLOWN THROUGH WITH COMPRESSED AIR & CLEARED. LINERS TO BE CALIBRATED AND READINGS TO BE RECORDED. IF REQUIRED HONNING TO BE CARRIED OUT AS PER MAKERS GUIDANCE. CARRY OUT DYE CHECK ON ALL CYLINDER LINERS IN WAY OF TOP AND BOTTOM L.O.GROOVES FOR DETECTING CRACKS IF ANY & SHOWN TO SURVEYORS & SUPDT.ALL L.O.QUILLS TO BE O’HAULAND & FUNCTION TESTED IN PRESENCE OF 2EO / CEO. ALL LINERS TO BE TRANSPORTED BACK ONBOARD ALL JACKET SURFACES TO BE THROUGHLY CLEANED & DYE TEST TO BE CARRIED OUT IN PRESENCE OF SURVEYORS & SUPDT .ALL LINER CALIBRATIONS TO BE SHOWN TO SURVEYORS & SUPTD. & AFTER THEIR APPROVAL ALL LINERS TO BE BOXEDBACK IN PLACE AS THE ORIGINAL USING NEW SEAL RINGS.(SHIP’S SUPPLY).L.O. QUILLS TO BE FITTED BACK IN PLACE AS THE ORIGINAL. - 7.00 PC

PISTON DISASSEMBLY AND WEAR CHECK E25009.6 : 6. DISMANTLE ALL PISTONS AND STUFFING BOXES. ALL PARTS TO BE THROUGHLY CLEANED AND EXAMINED. D.P.TESTS TO BE CARRIED OUT ON PISTON CROWNS AND PISTON SKIRTS AND CHECKED FOR FRETTING AND CRACKS AS PER MAKER’S INSTRUCTIONS. CHECK THE PISTON CROWN WEAR DOWN BY WEAR DOWNGAUGE PISTON RING GROOVES TO BE THROUGHLY CLEANED.GROOVES & PISTON RINGS TO BE CALIBRATED & READINGS TO BE RECORDED.ALL PARTS TO BE PRESENTED TO SURVEYORS & SUPTD & AFTER THEIR APPROVAL ASSEMBLE ALL PISTONS AS PER MAKER’S INSTRUCTIONS. ALL PISTONS TO BE PRESSURE TESTED TO 7 BARS IN PRESENCE OF SURVEYORS & SUPTD. PISTON ROD TO BE GAUGED. PISTON ROD STUFFING BOX ALL PARTS TO BE THROUGHLY CLEANED. STUFFING BOX CALIBRATIONS TO CHECK AND RECORD THE READINGS. ALL WORNOUT / DAMAGED PARTS TO BE RENEWED FROM SHIP’S SPARES.STUFFING BOXES TO BE ASSEMBLED ON PISTON RODS USING NEW SEAL RINGS. PISTON RODS ALONG WITH STUFFING BOXES TO BE TRANSPORTED BACK ONBOARD. - 7.00 PC

CROSSHEAD AND STUFFING BOX ASSEMBLY E25009.7 : 7. CROSS HEAD SURFACES TO BE CLEANED THOROUGHLY. LOWER THE PISTONS IN PLACE ALONG WITH THE STUFFING BOXES AND TIGHTEN THE NUTS AS PER MAKER’S INSTRUCTIONS.STUFFING BOX BOLTS TO BE TIGHTENED. ALL LASHINGS TO BE RESTORED. LOWER THE CYLINDER HEADS ALONG WITH EXHAUST V/VS AND TIGHTEN THE NUTS. ALL CYLINDER HEAD CONNECTIONS TO BE RESTORED BACK AS THE ORIGINAL. C.W. TO BE TRIED OUT AND ENSURE NO LEAKAGES. F.O. & L.O. TO BE TRIED OUT. F.O.LINES TO BE PRIMED. CONSIDER RENEWAL OF 12 NOS OF EXHAUST MANIFOLD BOLTS. EXHAUST MANIFOLD LAGGINGS TO BE RENEWED AS THE ORIGINAL (VENDOR SUPPLY). - 7.00 PC

PISTON AND SCAVENGE SPACES CLEANING E25009.8 : 8. ALL UNITS UNDER PISTON AND SCAVENGE SPACES TO BE THROUGHLY CLEANED. EXHAUST MANIFOLD INSPECTION DOORS TO BE OPENED UPFOR CLEANING. ENTIRE EXHAUST MANIFOLD TO BE THROUGHLY DECRBONISED & CLEANED USING WIRE BRUSHES & SHOWN TO CEO / 2EO. TURBO CHARGER INLET GRIDS TO BE THROUGHLY CLEANED & INSPECTED FOR WEAR DOWN / DAMAGE. SAME TO REPAIR OR RENEW. ALL UNDER PISTON & SCAVENGE SPACES TO BE INSPECTED. EXHAUST MANIFOLD INSPECTION DOORS & UNDER PISTON & SCAVENGE SPACE DOORS TO BE BOXED BACK AS THE ORIGINAL USING NEW JOINTS (VENDORSUPPLY).CONSIDER RENEWAL OF 24 NOS BOLTS / STUDS WITH NUTS OF ASSORTED SIZES. C/CASE TO BE THROUGHLY CLEANED & INSPECTED. C/CASE DOORS TO BE BOXED BACK AS THE ORIGINAL USING NEW RUBBER RINGS (VENDOR SUPPLY). - 7.00 PC

ME TURNING E25009.9 : 9. M.E. TO BE TURNED ON TURNING GEAR WITH L.O. PUMP RUNNING FOR SOME TIME. SATISFACTORY RUNNING TRIAL TO BE GIVEN TO THE SATISFICATION OF SHIP’S STAFF. - 1.00 LS

AIR DISTRUBOTOR & MAIN MASTER VALVE O/H E25009.10 : 10. MAIN ENGINE STARTING AIR DISTRUBOTOR AND MAIN MASTER VALVE TO O/HAUL THROUGH MAKER'S SERVICE ENGINEER (SPARE SHIP'S SUPPLY). - 1.00 SET

EXHAUST VALVE SEAT AND VALVE GRINDING E25009.11 : A). GRINDING OF EXHAUST VALVE SEAT AND VALVE BY CHRIS GRINDING MACHINE - 07 NO - 7.00 NO

PISTON TO BE RECONDITIONED E25009.12 : B).CONSIDER 7 NO PISTON TO BE RECONDITIONED. - 7.00 NO

CYLINDER HEAD TO BE RECONDITIONED E25009.13 : C) CONSIDER 7 NO CYLINDER HEAD TO BE RECONDITIONED. - 7.00 NO

MACHINING OF SPINDLE & CAGE REPAIR E25009.14 : D). CONSIDER 07 NOS V/V SPINDLES/SEAT AND CAGE TO REPAIR WITH NIMONIC COATING. - 7.00 NO

MACHINING OF LANDING FACES E25009.15 : E). MACHINING OF LANDING FACES OF AIR STARTING V/VS; EXHAUST V/VS; FUEL V/VS ON CYLINDER HEADS – 07 NOS. - 7.00 No

COMBUSTION SPACES DP TEST E25009.16 : F).CYLINDER COVERS COMBUSTION SPACES TO CHECK FOR CRACKS WITH D.P. TEST – 07 NOS - 7.00 NO

ASH BLASTING OF EX. VALVES BODIES E25009.17 : G). ASH BLASTING OF 08 NOS EXHAUST VALVES BODIES. - 7.00 NO

PISTON CROWNS DP TEST E25009.18 : H). PISTON CROWNS 07 NOS TO CHECK FOR CRACKS WITH D.P. TEST INTERNALLY AND EXTERNALLY. - 7.00 NO

CYLINDER COVER REPAIR E25009.19 : I). CYLINDER COVER EROSION AT FUEL VALVE HOLES TO REPAIR BY MAKER’S RECOMMENDED PROCEDURE. - 7.00 NO

M E ECO CAM MODIFICATION E25009.20 : 11. MAIN ENGINE ECO CAM MODIFICATION TO BE CARRIED OUT . - 1.00 LUMPSUM

MAIN JOURNALS & BEARINGS E 25010: MAIN BEARING & JOURNAL FOR MAIN ENGINE (SURVEY) TYPE : STX MAN - B&W MODEL: 7 S 50MC-C8 BHP : 15500 BHP @ 127 RPM WORK SPECIFICATION: OURNALS & BEARINGS FOR MAIN ENGINE OR AS PER SURVEYOR TO BE OPENED UP FOR O’HAUL/ INSPECTION AND SURVEY. ALL WORK TO BE CARRIED OUT STRICTLY AS PER THE MAKER’S MAINTENANCE INSTRUCTIONS & PROCEDURES BY TAKING ALL NECESSARY SAFETY PRECAUTIONS. ALL TOOLS AND SPARES SHIP’S SUPPLY. - 8.00 PC

CRANK SHAFT DELECTIONS E25010.2 : 2. MEASURE AND RECORD M.E.CRANK SHAFT DELECTIONS BEFORE COMMENCEMENT OF WORK & AFTER COMPLETION OF WORK (AFLOAT) - 1.00 LS

REMOVE L.O.CONNECTIONS E25010.3 : 3. REMOVE L.O.CONNECTIONS OF SAID BEARING'S AND MEASURE & RECORD MAIN BEARING TOP CLEARANCES USING BRIDGE GAUGE BEFORE COMMENCEMENT OF WORK AND AFTER THE COMPLETION OF WORK. DISMANTLE AND REMOVE MAIN BEARINGS TOP HALF OF BEARING CAP. REMOVE TOP HALF OF THE BEARING SHELL. IF NECESSARY WITHDRAW LOWER HALF OF BEARING SHELLS. - 1.00 LS

CLEAN ALL PARTS E25010.4 : 4. THOROUGHLY CLEAN ALL PARTS SCORING IF ANY ON THE MAIN JOURNALS TO BE DRESSED UP AND POLISHED. MAIN JOURNAL TO BE GAUGED AT DIFFERENT PLACES AND READINGS TO BE RECORED. ALL PARTS TO BE PRESENTED TO THE SURVEYORS AND AFTER THEIR APPROVAL ALL PARTS TO BE ASSEMBLED AND FITTED BACK IN PLACE WITH PROPER CLEANLINESS; LUBRICATION REQUIRED AND TIGHTENED HYDRAULICALLY AS THE ORIGINAL. -

CALIBRATION READINGS E25010.5 : 5. ALL CALIBRATION READINGS TO BE SUBMITTED TO CEO. CRANK CASE TO BE THROUGHLY CLEANED AND INSPECTED; C / CASE DOORS TO BE BOXED BACK. - 1.00 LS

CRANK PIN BEARING CLEARANCE MEASUREMENT E 25011 : BOTTOM END BEARINGS/ CRANK PINS AND WEBS FOR MAIN ENGINE (SURVEY) TYPE : STX MAN - B&W MODEL: 7 S 50MC-C8 BHP : 15500 BHP @ 127 RPM WORK SPECIFICATIONS : E 25011.1 : 1. M/E NO 1 2 3 4 5 6 & 7UNITS CRANK PIN BEARINGS OR AS PER SURVEYOR FOR MAIN ENGINE TO BE OPENED UP FOR O’HAUL/ INSPECTION AND SURVEY. ALL WORK TO BE CARRIED OUT STRICTLY AS PER THE MAKER’S MAINTENANCE INSTRUCTIONS AND PROCEDURES; TAKING ALL NECESSARY SAFETY PRECAUTIONS. ALL TOOLS AND SPARES SHIP’S SUPPLY. - 7.00 No E 25011.2 : 2. MEASURE AND RECORD SAID CRANK PIN BEARINGS CLEARANCES BEFORE COMMENCEMENT OF WORK AND AFTER THE COMPLETION OF WORK. LOOSEN AND REMOVE THE NUTS OF CRANK PIN BEARIGS STUDS HYDRAULICALLY. LOWER THE BOTTOM BEARING CASE INSIDE THE CRANK CASE FOR BEARING SHELL INSPECTION. IF REQUIRED REMOVE THE BEARING CAP ALONG WITH BEARING SHELL FROM THE CRANCASE. - 7.00 NO

MOUNT THE SUPPORTS FOR THE GUIDE SHOES E 25011.3 : 3. MOUNT THE SUPPORTS FOR THE GUIDE SHOES ON THE CROSS HEAD GIUDES. TURN DOWN THE CRANK UNTILL THE CROSSHEAD SHOES RESTS ON THE SUPPORTS. SWING OUT THE CONNECTING ROD SO THAT THE BEARING SHELL AND CRANK PIN CAN BE CLEARLY SEEN AND INSPECTED. - 1.00 LS

CRANK PIN CLEANING, GAUGING E 25011.4 : 4. THROUGHLY CLEAN ALL PARTS SCORING IF ANY ON THE CRANK PIN TO BE DRESSED UP AND POLISHED. CRANK PIN TO BE GAUGED AT DIFFERENT PLACES & READINGS TO BE RECORED. ALL PARTS TO BE PRESENTED TO THE SURVEYORS & AFTER THEIR APPROVAL ALL PARTS TO BE ASSEMBLED AND FITTED BACK IN PLACE WITH PROPER CLEANLINESS LUBRICATION REQUIRED AND TIGHTENED HYDRAULICALLY AS THE ORIGINAL. - 1.00 LS E 25011.5 : 5. ALL CALIBRATION READINGS TO BE SUBMITTED TO CEO. CRANK CASE TO BE THROUGHLY CLEANED AND INSPECTED C / CASE DOORS TO BE BOXED BACK. - 1.00 LS

CROSS HEAD BEARING CLEARANCE MEASUREMNET E 25012 : X - HEAD BEARINGS PINS AND GUIDES FOR MAIN ENGINE (SURVEY) TYPE : STX MAN - B&W MODEL: 7 S 50MC-C8 BHP : 15500 BHP @ 127 RPM WORK SPECIFICATIONS : E 25012.1 : 1. NO 1 2 3 4 5 6 &7 UNITS CROSS HEAD BEARINGS FOR MAIN ENGINE TO BE OPENED UP FOR INSPECTION & SURVEY. ALL WORK TO BE CARRIED OUT STRICTLY AS PER THE MAKER’S MAINTENANCE INSTRUCTIONS & PROCEDURES; TAKING ALL NECESSARY SAFETY PRECAUTIONS. ALL TOOLS AND SPARES SHIP’S SUPPLY. - 7.00 PC E 25012.2 : 2. MEASURE AND RECORD SAID CROSS HEAD BEARINGS CLEARANCES BEFORE COMMENCEMENT OF WORK & AFTER THE COMPLETION OF WORK. LOOSEN AND REMOVE TOP END BEARING CAPS AND SHELLS ( FWD / AFT ). SWING OUT THE CONNECTING ROD FOR THE INSPECTION OF BOTTOM BEARING SHELL - 1.00 LS

CROSS HEAD CLEANING, GAUGING E 25012.3 : 3. THOROUGHLY CLEAN ALL PARTS. SCORING IF ANY ON THE CROSS HEAD PIN TO BE DRESSED UP AND POLISHED.CROSS HEAD PIN TO BE GAUGED AT DIFFERENT PLACES & READINGS TO BE RECORED. HANG THE BOLTS FOR SURVEY. ALL PARTS TO BE PRESENTED TO THE SURVEYORS AND AFTER THEIR APPROVAL ALL PARTS TO BE ASSEMBLED & FITTED BACK IN PLACE WITH PROPER CLEANLINESS LUBRICATION REQUIRED AND TIGHTENED HYDRAULICALLY AS THE ORIGINAL. - 1.00 LS E 25012.4 : 4. ALL CALIBRATION READINGS TO BE SUBMITTED TO CEO. CRANK CASE TO BE THROUGHLY CLEANED AND INSPECTED C / CASE DOORS TO BE BOXED BACK.

CAM SHAFT ALIGNMENT CHECK E 25013 : M.E. CAMSHAFT DRIVES & ROLLER GUIDES (SURVEY). REVERSING GEAR TO BE PRESENTED FOR SURVEY. TYPE : STX MAN - B&W MODEL: 7 S 50MC-C8 BHP : 15500 BHP @ 127 RPM WORK SPECIFICATIONS: ALL IMPORTANT WORK TO BE SHOWN TO THE SURVEYOR & AFTER HIS APPROVAL ONLY PARTS TO BE BOXED BACK. E 25013.1 : 1. ALIGNMENT TO BE CHECKED BETWEEN CAMSHAFT & CHAIN WHEEL SHAFT AT THE DRIVE END COUPLING & BETWEEN EACH SECTION AT SUBSEQUENT FLANGE COUPLINGS. - 1.00 SET

MOMENT COMPENSATOR CHAIN ADJUSTEDMENT E 25013.2 : 2. MOMENT COMPENSATOR CHAIN TO BE ADJUSTED AND TIGHTENED AS REQUIRED WITH THE TWO FLY WEIGHTS IN A VERTICAL DOWNWARD POSITION. - 1.00 SET

AFT CHAIN TIGHTENING E 25013.3 : 3. AFT CHAIN TO BE TIGHTENED AS PER MAKERS INSTRUCTIONS. - 1.00 SET

ADJUSTMENT/TIMING OF CONTROL GEAR E 25013.4 : 4. ADJUSTMENT/TIMING OF CONTROL GEAR TO BE DONE AS PER MAKERS INSTRUCTIONS. - 1.00 SET

EXHAUST V/V AND FUEL P/P ROLLER GUIDE E 25013.5 : 5. TO CHECK ALL UNITS EXHAUST V/V AND FUEL P/P ROLLER GUIDES AND RECTIFY FAULTS AS APPLICABLE. CLEARANCES OF ROLLER/ BUSHING/ SHAFT PIN TO CHECK (MAX. 0.5MM). REVERSING LINK FOR FUEL P/P ROLLER GUIDE TO CHECK FOR CRACKS BY DP TEST AS PER B&W SERVICE LETTER SL97-345/UM. FUEL P/P GUIDE BLOCK SCREWS TO CHECK AND CHANGE AS PER B&W SERVICE LETTER & MISSING ONES TO RENEW. - 1.00 LS

GUIDE BAR TO CHECK E 25013.6 : 6. GUIDE BARS ON DRIVE CHAIN AND MOMENT COMPENSATOR CHAIN TO CHECK AND RENEW.(SPARE SHIP SUPPLY) AS APPROPRIATE. - 2.00 PC

REVERSING LINKS & FUEL PUMP ROLLER GUIDE E 25013.8 : 8. REVERSING LINKS TO CHECK FOR CRACKS WITH MPI TEST. FUEL PUMP ROLLER GUIDES TO CHECK FOR CRACKS WITH MPI TEST. IF FOUND CRACKS ROLLER GUIDES TO DISMANTLE. NEW ROLLER GUIDE TO FIT WITH NEW REVERSING LINKS. (SPARES OWNER SUPPLY). - 1.00 SET

TIGHTNESS OF CAMSHAFT COUPLING BOLTS TO E 25013.9 : 9. TIGHTNESS OF CAM SHAFT COUPLING BOLTS (8 NOS.) TO CHECK FOR TIGHTNESS (700 NM) FOR CHECKING CHAIN CASING COVER HAVING 60 NOS. BOLTS TO REMOVE & QUOTE ACCORDINGLY. 1.00 LS

REVERSING GEAR TO SURVEY E 25013.10 : 10. REVERSING GEAR TO BE PRESENTED FOR SURVEY. - 1.00 SET

TIE BOLTS TO CHECK E 25014 : PRE-TENSIONING STAY BOLTS / TIE BOLTS FOR MAIN ENGINE (SURVEY ) TYPE : STX MAN - B&W MODEL: 7 S 50MC-C8 BHP : 15500 BHP @ 127 RPM WORK SPECIFICATIONS : E25014.1 : TIE BOLTS TO BE CHECKED FOR PRETENSION. HYDRAULIC DISMANTLING PRESSURE 1400 - 1650 BAR. D1 - 1500 BAR D2 - 0.4 MM - 32.00 NO

STAY BOLTS RETIGHTENING E25014.2 : 2. STAY BOLTS TO BE RETIGHTENED IN PAIRS; WORKING FROM THE MIDDLE TOWARDS ONE END AND THEN FROM THE MIDDLE AGAIN TOWARDS THE OTHER END. - 1.00 LS

STAY BOLTS RETIGHTENING E25014.3 : 3. HYDRAULIC PRESSURE TO BE MAINTAINED AT D1 AND STAY BOLT NUTS RETIGHTENED WITH A TOMMY BAR MAKING SURE NUTS BEARING AGAINST CONTACT FACE WITH A FEELER GUAGE. - 1.00 LS

STAY BOLTS RETIGHTENING E25014.4 : 4. AFTER COMPLETING ALL BOLTS THE FIRST PAIR OF STAY BOLTS TO BE TIGHTENED TO 10% BELOW D1 AND NUT TO BE CHECKED FOR LOOSENESS. IF FOUND LOOSE ALL STAY BOLTS TO BE TIGHTENED ONCE AGAIN. IF NOT LOOSE THE FIRST PAIR TO BE TIGHTENED TO D1. - 1.00 LS

STAY BOLTS RETIGHTENING E25014.5 : 5. D2 TO BE CHECKED BETWEEN CONTACT FACE OF LOWERMOST NUT AND BEDPLATE. - 1.00 LS

PIPE DISMOUNTING E 25015 : HYDRAULIC ACTUATORS FOR M.E. EXH. V/V (7 NOS.) - (SURVEY) TYPE : STX MAN -B&W MODEL: 7 S 50MC-C8 BHP : 15500 BHP @ 127 RPM WORK SPECIFICATIONS: E 25015.1 : ALL 7 UNITS INLET PIPES; DRAIN PIPES & HIGH PRESSURE PIPES TO BE DISMOUNTED. - 7.00 PC

MOUNTINGS FOR INDICATOR DRIVES E 25015.2 : MOUNTINGS FOR INDICATOR DRIVES TO BE RELEASED. - 1.00 LS

ROLLER E 25015.3 : ROLLER TO REST ON BASE CIRCLE OF CAM . - 1.00 LS

HOUSING & PISTON TO LIFT. PISTON RINGS T E 25015.4 : HOUSING AND PISTON TO BE LIFTED (PISTON TO BE RELEASED FROM BAYONET LOCK BY DISMANTLING LOCKING PLATE AND TURNING BY 90 DEG.). PISTON RINGS TO BE RENEWED AS REQUIRES. MINIMUM THICKNESS = 3.8MM - 7.00 UNIT

OIL CYLINDER LINER CALIBRATION E 25015.5 : OIL CYLINDER LINER TO CALIBRATE . MAXIMUM DIA = 71.2 MM - 1.00 LS

V/VS OVERHAULING E 25015.6 : SAFETY V/VS AND NON RETURN V/VS TO BE OVERHAULED - 7.00 PC ALL ITEMS TO FIT BACK IN GOOD WORKING ORDER. HYDRAULIC ACTUATOR TIGHTENING TORQUE =300Nm. LOCKING PLATE TIGHTENING = 10 NM ABOVE TO PRESENTED FOR SURVEY.

FUEL PUMP TIMING E 25016 : FUEL PUMPS FOR MAIN ENGINE (SURVEY) TYPE : STX MAN-B&W MODEL: 7 S 50MC-C8 BHP : 15500 BHP @ 127 RPM WORK SPECIFICATIONS: TIGHTENING TORQUE FOR PUNCTURE V/V AND SUCTION V/V 650 Nm. E25016.1 : ALL UNITS FUEL PUMPS TIMINGS TO BE CHECKED AND RECORDED. DEVIATION FROM ORIGINAL SETTINGS TO BE CORRECTED. - 7.00 UNIT

SUC V/V & PUNCTURE V/V O/H E25016.2 : ALL UNITS SUC. V/V AND PUNCTURE V/V TO BE OVERHAULED AND FITTED BACK. SEAL RINGS TO BE RENEWED (SHIP SUPPLY). - 7.00 UNIT

FUEL P/P SHOCK ABSORBERS DISMANTLE E25016.3 : ALL FUEL P/P SHOCK ABSORBERS TO BE DISMANTLED; CHECKED FOR CRACKS AS PER B&W SERVICE LETTER AND BOXED BACK. SPARES IF ANY TO BE SUPPLIED BY OWNER. - 7.00 UNIT

FUEL PUMP O/H 7.00 NUM E25016.4 : UNIT NOS. 1 2 3 4 5 6 AND 7 FUEL P/PS TO BE DISMANTLED; PRESENTED FOR SURVEY AND BOXED BACK WITH NEW SEAL RINGS. NEW BARREL & PLUNGERS TO FIT ACCORDINGLY IF HAVING EXCESSIVE CLEARANCE (SHIP SUPPLY). FUEL P/P TIMINGS TO BE CHECKED/ADJUSTED THEREAFTER. - 7.00 UNIT

REVERSING MECHANISM OVERHAUL E25016.5 : ALL UNITS REVERSING MECHANISM TO BE OVERHAULED. CLEARANCES BETWEEN ROLLER GUIDE AND GUIDE PLATE; GUIDE WAY AND PIN OF REVERSING LINK TO BE CHECKED IN AHEAD AND ASTERN POSITION. - 1.00 SET

FUEL PUMP ROLLER GUIDE E25016.6 : FUEL PUMP ROLLER GUIDE ALLEN BOLT TIGHTNESS AND DOWEL PIN CONDITION TO BE CHECKED. IF FOUND ANY DAMAGE. - 7.00 UNIT

EXHAULT VALVE TIMIMG E25016.7 : EXHAUST VALVE TIMING TO CHECK. - 7.00 UNIT

PUMP SURVEY E25016.8 : PUMP NO. - 1 2 3 4 5 6 AND 7 TO BE PRESENTED FOR SURVEY. - 7.00 NO

SYSTEM CHECK E 25017 : MAIN ENGINE CYLINDER LUBRICATORS (SURVEY) TYPE : STX MAN-B&W MODEL: 7 S 50MC-C8 BHP : 15500 BHP @ 127 RPM CYLINDER LUBRICATOR: MAKE ATLAS X 2 NO. OF LUB OIL POINT: 6/ UNIT WORK SPECIFICATIONS: E 25017.1 : COMPLETE SYSTEM CONSIST OF a)PUMP STATION b) ALCU c) HUMAN MACHINE INTERFACE(HMI) - PANEL d) 07 SETS OF LUBRICATORS - ONE FOR EACH ME CYL UNIT e)LOAD TRANSMITTER f) SHAFT ENCODER g)BACKUP TRIGGER SYSTEM. - 7.00 UNIT E 25017.2 : COMPLETE SYSTEM TO BE CHECKED AS PER TESTBED TRIAL TEST SCHEME & DOCK TRIAL COMMISSIONING PROCEDURE - 1.00 LS

M E CYLINDER LUBRICATORS INSPECTION E 25017.3 : ALL 07 SETS OF LUBRICATOR TO BE CHECKED FOR PROPER OPERATION BOTH ACCUMULATORS TO BE CONFIRMED OF CORRECT NITROGEN PRESSURE AS PER MAKER. - 7.00 UNIT

CYLINDER OIL ADMISSION E 25017.4 : TIMINGS OF CYLINDER OIL ADMISSION TO BE CHECKED AS PER MAKER’S INSTRUCTIONS AND RECORDED. - 7.00 UNIT

CYLINDER LUBRICATOR ADJUSTMENT E 25017.5 : ADJUSTMENT OF CYLINDER LUBRICATOR TO BE CARRIED OUT IF REQUIRED.SATISFACTORY TRIAL TO BE SHOWN TO CEO/SUPDT. - 7.00 UNIT JOB TO BE CARRIED OUT IN PRESENCE OF MAKERS SERVICE ENGINEER.

TOP BRACINGS BEAMS TO BE CHECKED E 25018 : MAIN ENGINE TOP BRACING BEAM (SURVEY) TYPE : STX MAN-B&W MODEL: 7 S 50MC-C8 BHP : 15500 BHP @ 127 RPM TOP BRACING MAKE :HANMI HYDRAULIC MACHINERIES TYPE: HTBS200-30 WORK SPECIFICATIONS: E25018. 1 : MAIN ENGINE 02 NOS TOP BRACINGS BEAMS TO BE CHECKED FOR MISALIGNMENT AND INSTALLATION TOLERANCES.TO DO ADJUSTMENTS AS NECESSARY. - 2.00 PC

ACCUMULATOR E25018. 2 : ACCUMULATOR TO BE PRESSURE TESTED TO OEM SET PRESSURE. IF LEAKAGE IS FOUND SAME TO BE RECHARGED. - 2.00 PC

PISTON AND LINER E25018. 3 : PISTON AND LINER TO BE OPENED AND RECONDITIONED. LINER TO BE HONED. SEALS TO BE RENEWED, SPARES VENDOR SUPPLY. - 2.00 PC E20018. 4 : TO CHECK PROPER FUNCTIONING OF TOP BRACING CONTROL SYSTEM ON AUTO MODE AND WORKING OF MCR PSP SWITCH. SATISFACTORY TRIALS TO BE SHOWN DURING SEA TRIALS. - 1.00 LS

ME AIR COOLER TUBE E 25019 - M.E. AIR COOLER AND SCAVENGE AIR SYSTEM (SURVEY) TYPE : STX MAN-B&W MODEL: 7 S 50MC-C8 BHP : 15500 BHP @ 127 RPM AIR COOLER SPECS : WEIGHT 2190 KG/ MAKE DONG HWA ENTEC KOREA HYD. TEST PRESS 8 BAR COOLING SURFACE 732.2 M3. WORK SPECIFICATIONS : ALL WORK TO BE CARRIED OUT STRICTLY AS PER THE MAKER’S MAINTENANCE INSTRUCTIONS AND PROCEDURES TAKING ALL SAFETY PRECAUTIONS. ALL SPARE AND TOOLS (SHIP’S SUPPLY ). E25019. 1 : 1. AIR COOLER TUBE NEST TO BE PULLED OUT REMOVED & TRANSPORTED TO YARD W/SHOP TO TAKE DUE CARE OF FINS. TUBE NESTS TO BE CHEMICALLY CLEANED AT RECOMMANDED TEMPERATURE AS PER CHEMICAL MAKER’S RECOMMANDATIONS.(CHEMICAL VENDOR SUPPLY ). AFTER CHEMICAL CLEANING THE TUBE NEST ELEMENTS TO BE THROUGHLY WASHED & CHEMICALS NEUTRALISED & THEN BLOWN THROUGH WITH COMPRESSED AIR. PRESSURE DROP ACROSS ( AIR SIDE ) TO BE SHOWN TO CEO / 2EO IN WORKSHOP. - 1.00 LS

TUBE RENEWAL E25019. 2 : 2. AFTER PRESSURE TEST OF THE AIR COOLER CONSIDER RENEWAL OF 6 NOS OF TUBES. - 6.00 NOS

SIDE COVERS AND END COVERS E25019. 3 : 3. THE SIDE COVERS AND END COVERS TO BE THROUGHLY CLEANED AND INSPECTED. COATINGS TO BE CHECKED. DAMAGED COATINGS TO BE REPAIRED AS THE ORIGINAL. - 1.00 LS

AIR COOLER CLEANING AND V/V O/H E25019. 4 : 4. AIR COOLERS ENGINE SIDE SURFACES TO BE THOROUGHLY CLEANED CHIPPED & PRIMER TO BE APPLIED (PRIMER VENDOR SUPPLY). NON RETURN FLAP V/VS (6 NOS) IN SCAVENGE AIR RECEIVER TO BE O’HAULED & FITTED BACK IN PLACE AS THE ORIGINAL AND PROVE POSITIVE CLOSING. - 100.00M2

AIR COOLER TUBE NESTS FITMENT E25019. 5 : 5. AIR COOLER TUBE NESTS TO BE BROUGHT BACK ONBOARD TAKING DUE CARE OF FINS AND FITTED BACK IN PLACE AS THE ORIGINAL USING NEW JOINTS & SEAL RINGS (VENDOR SUPPLY). - 1.00 SET

STUDS AND NUT RENEWAL E25019. 6 : 6. CONSIDER RENEWAL OF 12 NOS STUDS & NUTS OF ASSORTED SIZES. - 12.00 PCS

AIR COOLER PT E25019. 7 : 7. AIR COOLER WATER SIDE TO BE PRESSURE TESTED AT 6.0 KG / CM2 PRESSURE AND SHOWN TO CEO/2EO. - 1.00 SET

B/F VALVE OVERHAU,ING E25019. 8 : 8. AUX. BLOWER BUILT IN BUTTERFLY VALVES TO BE OVERHAULED AND FITTED BACK AS ORIGINAL. - 1.00 SET

MANOMETER OVERHAUL E25019. 9 : 9. MANOMETER TO O’HAUL DEFECTIVE PARTS TO RENEW (VENDOR SUPPLY) & FIT BACK WITH LIQUID & MADE OPERATIONAL. - 1.00 PCS

WATER MIST CATCHER E25019. 10 : 10. WATER MIST CATCHER FOR AUTO DRAINING THE WATER FROM SCAVENGEING SYSTEM IS MAL FUNCTIONING (SCAVENGE AIR LEAKS CONTINUOUSLY TO DRAIN LINE) SAME TO OVER HAUL. - 1.00 SET

MAIN ENGINE OIL MIST DETECTOR E 25022 : MAIN ENGINE OIL MIST DETECTOR (SURVEY) MAKER : GRAVINER TYPE : M K6 24V. DC 2AMP.(MAX.) WORK SPECIFICATIONS ALL WORK TO BE CARRIED OUT STRICTLY AS PER THE MAKER’S MAINTENANCE INSTRUCTIONS & PROCEDURES TAKING ALL SAFETY PRECAUTIONS. ALL SPARES & TOOLS ( SHIP’S SUPPLY ). E 20022. 1 : 1. TO SERVICE THE MAIN UNIT & SEVEN DETECTOR HEADS CALIBRATE THE SYSTEM PALSTIC BAG AND TEST VAPOUR (VAPOUR DISTILLATE FROM SERVICE BOX) FOR EACH UNIT. - 1.00 SET

REPLACEMENT SINTERED BRONZE FILTER E 20022. 2 : 2. REPLACE THE SINTERED BRONZE FILTER IN THE MEASURING HEAD & IN THE PRESSURE REDUCER. - 1.00 PC

SIPHON BLOCK PLUGS E 20022. 3 : 3. REMOVE SIPHON BLOCK PLUGS & BLOW – CLEAN THE SIPHON WITH COMPRESSED AIR ( MAX. 07 BARS ) - 1.00 PC

DETECTOR HEADS GLANDS & SEALING STRIPS E 20022. 4 : 4. ALL DETECTOR HEADS GLANDS & SEALING STRIPS SEALING / MOUNTING TO CHECK. - 1.00 SET

FUNCTION CHECK E 20022. 5 : 5. FUNCTION CHECK WITH SAFETY SYSTEM / GOVERNOR TO CONFIRM - 1.00 SET

MAIN THRUST BEARING & THRUST SHAFT TYPE : STX MAN-B&W MODEL: 7 S 50MC-C8 BHP : 15500 BHP @ 127 RPM WORK SPECIFICATION : MAIN THRUST BEARING & THRUST SHAFT TO BE SURVEYED. E 25023. 1 : 1. CHECK & NOTE DOWN THRUST BEARING CLEARANCE BEFORE AND AFTER THE WORK - 1.00 SET

ALL PARTS CLEANING & PRESENTED TO SURVEY E 25023. 2 : 2. TO REMOVE FORWARD & AFT THRUST BLOCK COVERS. THRUST SEGMENTS AND THRUST COLLARS OUT FROM CRANK CASE. ALL PARTS TO BE THROUGHLY CLEANED AND PRESENTED TO SURVEYORS FOR INSPECTION. - 1.00 SET

BOX UP E 25023. 3 : 3. AFTER SURVEYOR’S APPROVAL ALL PARTS TO BE BOXED BACK AS THE ORIGINAL - 1.00 SET

MAIN ENGINE LUBE OIL SUMP TANK E 25024 : MAIN ENGINE LUBE OIL SUMP TANK ( SURVEY ). CAPACITY 26.1 CUBIC METERS TYPE : STX MAN-B&W MODEL: 7 S 50MC-C8 BHP : 15500 BHP @ 127 RPM TANK CAP: 26.1 CUBIC METER WORK SPECIFICATIONS : M.E.L.O. SUMP TANK TO BE OPENED UP FOR SURVEY. E 25024.1 : 1. FOUR NOS MANHOLE DOORS TO REMOVE AND M.E. LUBE OIL SUMP TANK TO BE MANUALLY CLEANED. ABOUT 1 TON OF DIRTY LUBE OIL TO BE PUMPED OUT ASHORE. ALL GRATINGS TO BE CLEANED. AFTER THROUGH CLEANING TANK TO BE PRESENTED TO SURVEYORS FOR INSPECTION. AFTER THEIR APPROVAL TANK TO BE BOXED BACK AS ORIGINAL. - 1.00 LS MANHOLE DOORS GASKETS TO BE RENEWED (VENDOR SUPPLY).

SUMP LOW OIL LEVEL ALARM E 25024.2 : 2. SUMP LOW OIL LEVEL ALARM TO BE CHECKED FOR PROPER OPERATION AND SHOWN TO SUPDT. & SURVEYOR. - 1.00 PC

ARRANGMENT SHORE RECEPTION FACILITY E 25024.3 : QUOTE SEPARATELY FOR ARRANGING SHORE RECEPTION FACILITY FOR LANDING 16000 LTRS OF DIRTY LUB OIL. - 16000.00 LTRS

HOLDING DOWN BOLTS E 25025: RE-TIGHTENING OF HOLDING DOWN BOLTS & END CHOCK BOLTS FOR MAIN ENGINE (SURVEY) TYPE : STX MAN-B&W MODEL: 7 S 50MC-C8 BHP : 15500 BHP @ 127 RPM WORK SPECIFICATIONS: E25025. 1 : 1. HOLDING DOWN BOLTS TIGHTNESS TO BE CHECKED (USING HYDRAULIC JACK MARKED WITH HOLDING DOWN BOLTS) BY RAISING THE HYDRAULIC PRESSURE SLOWLY WHILE CONSTANTLY ATTEMPTING TO LOOSEN THE NUT WITH THE TOMMY BAR. THE OIL PRESSURE INDICATED BY THE PRESSURE GAUGE WHEN THE NUT COMES TO LOOSE (LOOSENING PRESSURE) IS TO BE RECORDED IN THE CHECKING TABLE. THE BOLTS ARE TIGHTENED TO THE NORMAL TIGHTENINIG PRESSURE THEREAFTER. TIGHTENIG PRESSURE 1500 BAR. - 1.00 SET

END CHOCK BOLTS E25025. 2 : 2 END CHOCK BOLTS TIGHTNESS TO BE CHECKED (USING HYDRAULIC JACK MARKED WITH EPOXY CHOCKS) BY RAISING THE HYDRAULIC PRESSURE SLOWLY WHILE CONSTANTLY ATTEMPTING TO LOOSEN THE NUT WITH THE TOMMY BAR. THE OIL PRESSURE INDICATED BY THE PRESSURE GAUGE WHEN THE NUT COMES TO LOOSE (LOOSENING PRESSURE) IS TO BE RECORDED IN THE CHECKING TABLE. THE BOLTS ARE TIGHTENED TO THE NORMAL TIGHTENINIG PRESSURE THEREAFTER. TIGHTENIG PRESSURE – 1500 BAR. - 1.00 PCS

END CHOCK BOLTS E25025. 3 : 3 . END CHOCK BOLTS TIGHTNESS TO BE CHECKED USING HYDRAULIC JACK MARKED WITH END CHOCKS AND RECORDED. THE BOLTS ARE TIGHTENED TO THE NORMAL - 1.00 LS TIGHTENINIG PRESSURE THEREAFTER. TIGHTENIG PRESSURE – 1500 BAR.

HEIGHT OF SUPPORTING CHOCKS ARE TO BE CH E25025. 4 : 4. IMMEDIATELY AFTER FINISHING OF CHECKING OF THE LOOSENING PRESSURES OF THE HOLDING DOWN BOLTS AND THE RETIGHTENING OF THE HEIGHT OF THE EPOXY SUPPORTING CHOCKS ARE TO BE CHECKED. - 1.00 LS WARNING: ACCIDENTAL APPLICATION OF LARGER JACK (MEANT FOR THE END CHOCK BOLTS) ON THE HOLDING DOWN BOLTS WOULD CAUSE SERIOUS OVER-STRESSING OF EPOXY SUPPORTING CHOCKS. TRIALS TO BE UNDERTAKEN POST COMPLETION OF JOBS TO THE SATISFACTION OF CSL / SCI