Overhauling of Valves and Filters on MV Vishva Chetna

Amount

FOLLOWING STORM VALVES ARE TO BE OPENED UP; FOR OVERHAULING IN WORKSHOP. VALVES SEATS TO BE GROUND; LAPPED AND INTERNAL CASING TO BE CLEANED AND PAINTED WITH APEXIOR NO.3 (VENDOR SUPPLY). VALVES TO BE PRESENTED FOR SURVEY. NEOPRENE LEATHER PADS AND BRASS RETAINER RINGS ARE TO BE RENEWED. ON COMPLETION OF OVERHAULING VALVES TO BE FITTED BACK WITH VENDORS SUPPLY NUTS/BOLTS AND PACKING. ALL SPARE VENDOR SUPPLY. PRESSURE TEST AFTER OVERHAULING TO BE CARRIED OUT BY VENDOR. ALL COST INCLUSIVE

STORM V/V 10K 150A

STORM V/V 10K 150A (ANGULAR)

IF NEEDED VALVES TO BE RENEWED BY IACS CLASS APPROVED VALVES

OVERHAULING OF EDUCTOR VALVE SIZES 450A 150A 125A 100A 80A 65A 50A 40A 25A 15A BEV 10K.

CARGO HOLD BILGE EDUCTOR SUCTION AND DRIVE PRESSURE GAUGES TO BE FITTED . PROVISION TO FIT PRESSURE GAUGES TO BE ARRANGED BY VENDOR.PRESSURE GAUGES AND FITTINGS ETC VENDOR SUPPLY. ALL COST INCLUSIVE

BALLAST TANK EDUCTOR SUCTION AND DRIVE PRESSURE GAUGES TO BE FITTED PROVISION TO FIT PRESSURE GAUGES TO BE ARRANGED BY VENDOR.PRESSURE GAUGES AND FITTINGS ETC VENDOR SUPPLY. ALL COST INCLUSIVE

D23021 - BUTTERFLY VALVES IN BALLAST TANKS AND CARGO HOLDS BILGE HOLDING VALVE MAKE: SUNG IL HI-TECH CO.LTD ACTUATOR MAKE:KSB SEIL

WORK SPECIFICATIONS:

THE VALVE SYSTEM TO BE PRESSURE TESTED AND AS IDENTIFIED FOLLOWING VALVES TO BE REMOVED FROM PLACE SEAT RING ( SEAT RING TO BE SUPPLIED BY THE VENDOR) TO REPLACE VALVES TO BE TESTED AND BOXED BACK WITH NEW NUTS/BOLTS/PACKING AS REQUIRED. HYDRAULIC ACTUATORS TO BE DISCONNECTED AND BOTH PORTS BLANKED AND FITTED BACK AFTER BOXING BACK THE VALVE. ON COMPLETION OF JOB VALVES TO TRY OUT FOR SATISFACTORY OPERATION. ALL COST INCLUSIVE . NEW NUTS/BOLTS AND PACKING TO BE RENEWED/SUPPLY BY VENDOR. ALL COST INCLUSIVE.

NO.1 ~ 6 P & S WB DB TANKS MAIN VALVE (DN 300A)

NO 4 HOLD BALLAST EXCHANGE OVERBOARD VALVE (P & S VALVES (DN 450A)

NO 1 TO 7 CARGO HOLDS BILGE SUCTION VALVES (DN 125A)

BALLAST LINE FOR NO 4 CARGO HOLD BALLASTING DN 300A

NO.1 & 2 WB PUMP SUCTION VALVES (DN 450A)

NO.1 & 2 WB PUMP DISCH VALVES (DN 450A)

FPK TANK VALVE AND ISOLATION VALVE 300A

BALLAST PUMP EMCY SUCTION DN 450A N/R

BALLAST ISLOATION VALVE (DN 450A)

BALLAST EDUCTOR SUCTION & DRIVE VALVE 150A 50A 15A

CARGO HOLD BILGE EDUCTOR VALVES DRIVE AND SUCTION 150A 100A

HYDRAULIC ACTUATOR FOR BALLAST REMOTE VALVES TO OVERHAUL OVERHAUL KITS/SPARES TO BE SUPPLIED BY VENDOR.

VALVES TO BE SECURED IN PLACE WITH NEW JOINT NUTS/BOLTS SUPPLY BY VENDOR COST INCLUSIVE

TO FACILITATE THE JOB ADJACENT PIPELINES/SUPPORTS TO CUT AND FIT BACK IN PLACE ON COMPLETEION.

LINES WITH VALVES TO BE TESTED ON COMPLETION.

NECESSARY COATING TO THE DAMAGED PAINTS TO ATTEND AS PER COATING SPECIFICATION. PAINT OWNWER SUPPLY.

JOB TO BE CARRIED OUT IN DOCK ONLY. VENDOR TO QUOTE FOR DOCKING DAYS ACCORDINGLY.

FOLLOWING NON RETURN VALVES TO BE TRANSPORTED TO WORKSHOP; OVERHAULED AND TO BE FITTED BACKWITH NEW NUTS/BOLTS/PACKING (VENDOR SUPPLY). ALL COST INCLUSIVE TRANSPORTATION

NO. 1 AND 2 WB PUMP DISCH NR DIA 450 MM

HIGH AND LOW SEA SUCTION V/V (HYDRAULIC) SIZE 450 MM TO BE REMOVED OVERHAULED AND PRESSURE TESTED 8 KG/CM2 FITTED BACK. SEAT RING TO BE SUPPLIED AND RENEWED BY VENDOR SUPPLY

AFT PEAK BUTERFLY WAFER V/V SIZE 300 MM TO BE REMOVED SERVICED PRESSURE TESTED 8 KG/SQ CM AND FITTED BACK. SEAT RING TO BE SUPPLIED/RENEWED BY VENDOR.

NO.4 HOLD BALLAST LINE V/V S AND BLANK TO BE OPENED INSPECTED AND FITTED BACK. VALVE SIZE 300MM . SEAT RING TO BE SUPPLIED AND RENEWED/FITTED BY THE VENDOR. ALL COST INCLUSIVE.

N/R VALVE IN HOLD BILGES 14 NOS. TO BE DISMANTLED REMOVED TO THE WORKSHOP CLEAN/OVERHAULED RUBBER RINGS RENEWED DESHAPED/FACE PLATE POLISHED/ RENEWED TO ACHIEVE WATER TIGHTNESS AND PRESSURE TESTED AT 5KG/CM2 BEFORE FITTING BACK.

TOTAL 4 NOS GLOBE V/V AND SIZE 10K 50 A FOR DRAFT GAUGE SYSTEM TO BE REMOVED OVERHAULED AND PRESSURE TESTED SIZE 8 KG/CM2 FITTED BACK. SAME TO BE SHOWN TO CLASS SURVEYOR BEFORE FITTING BACK IN PLACE.

BALAST VALVE AND OTHER VALVES IN E/R TO BE OPENED AND OVERHAULED TO CHECK WEAR AND TEAR. BALLAST AND CARGO BILGE EDUCTOR NOZZLES TO BE REMOVED O/HAULED SEAT RINGS TO BE SUPPLIED BY VENDOR. ALL COST INCLUSIVE.

D23022: VALVES : ACCOMMODATION/DECK PIPE LINES AND VALVES O/HAULING

TO OVERHAUL AND PRESSURE TEST ISOLATION VALVES FOR DECK AND ACCOMMODATION ON FIRE LINE GATE VALVE SIZE 125 MM SEAT RING TO BE SUPPLIED AND RENEWED BY VENDOR. ALL COST INCLUSIVE.

MANUAL VALVES FOR DECK COMPRESSED AIR LINE SIZE 23 MM OD TO BE SUPPLIED AND FITTED BY VENDOR ALL COST INCLUSIVE

MANUAL GLOBE VALVES 8 NOS IN FOREPEAK STORE TO BE OPENED OVERHAULED AND FITTED BACK WINCH COOLING WATER LINE ALL PACKINGS NUTS BOLTS TO BE SUPPLIED AND RENEWED BY THE VENDOR.

TO OVERHAUL ANCHOR WASH GLOBE VALVE ON FOCASTLE DECK 65A 10K BY VENDOR SUPPLY VALVES ALL COST INCLUSIVE.

TO OVERHAUL 5 NOS FIRE HYDRANTS ON MAIN DECK AND IN ACCOMODATION

TO OVERHAUL LEAKING HYDRANTS ON DECK AND ACCOMMODATION TO RECTIFY LEAKAGES

04 NOS. OF DRAIN VALVE ( ANGLE TYPE ) OF FIRE LINE TO BE OVERHAULED

FIRE LINE FOC’SLE & BRIDGE WING PRESSURE GAUGES TO BE FITTED WITH NEW BALL VALVE. SIZE- 3/8” VENDOR SUPPLY AND FITTING

E23005, ITEM: SEA SUCTION VALVES IN E/R (SURVEY)

TYPE / CAPACITY / DETAILS -

THE FOLLOWING SEA INJECTION VALVES TO BE OPENED UP IN PLACE FOR O’HAULING. ALL PARTS TO BE CLEANED & INSPECTED FOR CORROSION / WEARDOWN / DAMAGE. ALL WORN / DEFECTIVE VALVES / PARTS TO BE RENEWED WITH CLASS APPROVED TYPE (VENDOR SUPPLY). ALL GROOVES ON THE V/V SEATS AND VALVE LIDS IF FOUND PITTED TO BE TRANSPORTED TO VENDOR'S WORKSHOP SKIMMED AND TRANSPORTED BACK TO SHIP. VALVES TO BE GROUND ON THE SEATS. BLUE IMPRESSION OF VALVE SEATS AND VALVE LIDS TO BE SHOWN TO CEO / 2EO / SURVEYOR. ALL VALVES TO BE PRESENTED TO SURVEYORS & AFTER THEIR APPROVAL ALL V/VS TO BE ASSEMBLED USING NEW JOINTS & PACKINGS DULY APPROVED BY 2EO / CEO (JOINTS & PACKINGS VENDOR SUPPLY ). ALL VALVE CASINGS INTERNALLY SCRAPED CLEANED & EPOXY COATED.ALL SEA SUCTION DIP TUBES TO CLEAN INTERNALLY V/V BODIES & V/V COVERS TO BE GAUGED (MINIMUM 20 POINTS) ULTRASONICALLY & REPORT TO BE SUBMITTED.

LOW SEA CHEST

VALVES DIMENSIONS TYPE

MAIN SEA SUCTION V/V BEFORE FILTER DN700 BUTTERFLY FLANGE TYPE

MAIN SEA SUCTION V/V AFTER FILTER DN 700 BUTTERFLY WAFER TYPE

AIR VENT VALVE DN65 GLOBE V/V

STEAM BLOW OFF VALVE DN 40 (DN 25) GLOBE( SDNR)

AIR/STEAM BLOW OFF VALVE DN20 GLOBE

COMMON V/V FOR STEAM /COMPRESSED AIR BLOW OFF DN 20 GLOBE

AIR VENT V/V FOR FILTER DN 65 GLOBE

DRAIN V/V DN 40 BALL VALVE

HIGH SEA CHEST

VALVES DIMENSIONS TYPE

MAIN SEA SUCTION V/V BEFORE FILTER DN700 BUTTERFLY

MAIN SEA SUCTION V/V AFTER FILTER DN 700 BUTTERFLY

AIR VENT VALVE DN65 GLOBE

AIR/STEAM BLOW OFF VALVE DN20 GLOBE

SEA SUCTION VALVE DN-125 BUTTERFLY

COMMON V/V FOR STEAM /COMPRESSED AIR BLOW OFF DN 20 GLOBE

AIR VENT V/V FOR FILTER DN 65 GLOBE

DRAIN V/V DN 40 BALL VALVE

EMERGENCY SEA CHESTSEA SUCTION VALVE (ANGLE) ND-125 MM

E23006 ITEM : OVERBOARD DISCHARGE VALVES (SURVEY)

TYPE / CAPACITY / DETAILS :

THE FOLLOWING OVERBOARD VALVES TO BE OPENED UP IN PLACE FOR O’HAULING. ALL PARTS TO BE CLEANED & INSPECTED FOR CORROSION / WEARDOWN / DAMAGE. ALL WORN / DEFECTIVE VALVES / PARTS TO BE RENEWED WITH CLASS APPROVED TYPE (VENDOR SUPPLY). ALL GROOVES ON THE V/V SEATS AND VALVE LIDS IF FOUND PITTED TO BE TRANSPORTED TO VENDOR'S WORKSHOP SKIMMED AND TRANSPORTED BACK TO SHIP. VALVES TO BE GROUND ON THE SEATS. BLUE IMPRESSION OF VALVE SEATS AND VALVE LIDS TO BE SHOWN TO CEO / 2EO / SURVEYOR. ALL VALVES TO BE PRESENTED TO SURVEYORS & AFTER THEIR APPROVAL ALL V/VS TO BE ASSEMBLED USING NEW JOINTS & PACKINGS DULY APPROVED BY 2EO / CEO (JOINTS & PACKINGS VENDOR SUPPLY ). ALL VALVE CASINGS INTERNALLY SCRAPED CLEANED & EPOXY COATED. ALL STUB PIECES BETWEEN VALVE AND SIDE PLATE V/V BODIES & V/V COVERS TO CLEAN INTERNALLY AND TO BE GAUGED (MINIMUM 20 POINTS) ULTRASONICALLY & REPORT TO BE SUBMITTED.FOR BUTTERFLY VALVE CONSIDER FOR RENEWAL OF SEAT RING OR VULCANISATION/MOULDING FOR SEAT RING. (QUOTE SEPARATELY FOR VULCANISATION/MOLDING.)

MAIN SEA COOLING WATER OVERBOARD V/V ANGLE STOP CHECK V/V-PORT DN-300 MM

G.S.PUMP (BILGE PUMP) OVERBOARD VALVE GLOBE ANGLE-PORT DN-250 MM

F.W.GENERATOR EJECTOR PUMP OVERBOARD. V/V ANGULAR-PORT DN- 80 MM

BOILER BLOW DOWN V/V - STBD NOS 2 GLOBE DN- 40 MM

BALLAST OVBD (FOR STBD SIDE TANKS) BUTTERFLY DN - 450 MM

BALLAST OVBD (FOR PORT SIDE TANKS) BUTTERFLY DN - 450 MM

BILGE WATER SEPARATOR OVERBOARD DISCH. V/V GLOBE DN -40 MM

BILGE & BALLAST EDUCTION DISCH OVBD DN -40 MM

ATMOSPHERIC CONDENSER O/B VALVE DN -40 MM

SOOT DRAIN O/B VALVE DN -40 MM

STP O/B LINE GATE V/V STORM VALVE DN150(BOTH)

GERY WATER O/B LINE DN150(BOTH)

CLEAN WATER P/P OBVD V/V ANGULAR DN40

E23007 ITEM : INTERMEDIATE SEA WATER VALVES

TYPE / CAPACITY / DETAILS :

TO REMOVE FOLLOWING INTERMEDIATE VALVES FROM PLACE & TRANSPORTED TO VENDOR WORK SHOP FOR CLEANING INSPECTION & OVERHAUL. ALL VALVES TO BE DISMANTLED. ALL PARTS TO BE CLEANED & INSPECTED FOR CORROSION WEARDOWN & DAMAGE IN THE PRESENCE OF 2EO / CEO. ALL WORN / DEFECTIVE VALVES / PARTS TO BE RENEWED (CLASS APPROVED VENDOR SUPPLY). ALL VALVE BODIES TO BE THOROUGHLY CLEANED INTERNALLY. ALL GROOVES ON VALVE SEATS AND LIDS TO BE SKIMMED LIGHTLY & VALVES TO BE GROUND ON THE SEATS. BLUE IMPRESSIONS TO BE TAKEN FOR THE VALVE LIDS & VALVE SEATS & SHOWN TO 2EO / CEO. VALVE BODIES TO BE INTERNALLY PAINTED WITH TWO COATS OF APEXIOR. VALVE BODIES TO BE PAINTED EXTERNALLY (PAINTS VENDOR SUPPLY).VALVE SPINDLES TO CHECK FOR FREE OPERATION. VALVE LOCKINGS TO CHECK. BUTTERFLY VALVES SEAT RINGS TO CHECK FOR DAMAGE / DEFORMATION. DAMAGED / DEFORMED SEAT RINGS TO BE RENEWED (SHIP’S SUPPLY). B’FLY VALVES. OPERATING GEAR MECHANISM & V/V LOCKINGS TO CHECK & RECTIFY THE DEFECTS. DEFECTIVE PARTS TO RENEW (VENDOR SUPPLY). ALL V/VS TO BE BOXED BACK AS THE ORIGINAL USING NEW JOINTS & PACKINGS (NEW JOINTS & PACKINGS VENDOR SUPPLY). CORRECT ALIGNMENT OF BUTTER FLY V/VS TO CHECK. ALL V/VS TO BE PRESSURE TESTED. ALL V/VS TO BE BOXED BACK IN PLACE AS THE ORIGINAL.

VALVE DESCRIPTION DIMENSION TYPE

BALLAST PUMP 1 AND 2 SUCTION VALVE DN450 BUTTERFLY VALVE (HYD. CONTROL)

MAIN SEA WATER P/P #1 #2&#3 SUCTION VALVE DN 250 BUTTERFLY VALVE(WAFER TYPE)

MAIN SEA WATER PUMP #1 #2&#3 DISCHARGE VALVE DN250 BUTTERFLY VALVE(WAFER TYPE)

EJECTOR PUMP SUCTION VALVE DN80 BUTTERFLY (FLANGE TYPE)

EJECTOR PUMP DELIVERY LINE DN80 GLOBE

INTERMIDITAE V/V B/W EJECTOR P/P DIS LINE AND FIRE/GS P/P DN 80 WATER PR. REDUCING V/V & PLATE CHECK V/V

FIRE PUMP BILGE & G.S SUCTION VALVE DN150 BUTTERFLY

FIRE PUMP BILGE & G.S DISCHARGE VALVE DN 250DN150 BUTTERFLY

FIRE & G.S PUMP SUCTION FROM BILGE LINE DN 250 BUTTERFLY

EMERGENCY BILGE SUCTION VALVE DN450 BUTTERFLY VALVE

EMERGENCY FIRE PUMP INLET&OUTLET VALVE ND 100 MM GLOBE

AFTPEAK TANK SUCTION AND FILLING VALVE ND 125 MM BUTTERFLY VALVE

DUMP CONDENSER SW INLET & OUTLET V/VS ND 125 MM BUTTERFLY V/V

OWS SEA WATER INLET VALVE 50 MM GLOBE

E23008- ITEM : SEA WATER FILTERS

TYPE / CAPACITY / DETAILS :

FOLLOWING FILTERS TO OPEN CLEAN AND BOX BACK WITH NEW GASKETS. PURGING V/VS OF FILTER COVERS (35mm DIA) TO OVERHAUL.FILTER ELEMENT TO RENEW WITH STAINLESS STEEL PERFORATED SHEET OF 6 MM THICKNESS IF FOUND DAMAGED. FILTER CHAMBER TO BE APPLIED WITH 3 COATS OF EPOXY PAINTS AFTER CLEANING THE SURFACE THOROUGHLY. BOTH SEA CHEST FILTER HOUSING BADLY CORRODEDSAME TO RENEW.

FILTER DRAIN COVERS TO OPEN COVER HOLDING STUDS (6 NO. × 5/8 DIA) TO BE REPLACED WITH G.I. STUDS AND NUTS AND COVERS TO FIT BACK WITH NEW PACKINGS FOR ITEM NOS. 01 TO 06.

MAIN HIGH SEA & LOW SEA SUCTION LINE (700 mm DIA) FILTERS × 2 NOS.

FILTERS FOR G.S. P/P & FIRE & BILGE PUMP SUCTION

EJECTOR PUMP SUCTION

FILTER FOR EMC'Y FIRE P/P

SHIPVENDOR TO QUOTE FOR RENEWAL FOR EACH TYPE OF FILTER WITH GIVEN SIZE IF FOUND DAMAGED / CORREODED.

FWG GENERATOR HT WATER SUCTION V/V LEAKING. (TYPE - WAFER TYPE BUTTEFLY V/V NOMINAL DIA-125MM V/V NO.- WGV 2)

ME JCW PREHEATER STEAM SUCTION V/V LEAKING. (TYPE-STOP V/V NOMINAL DIA-25MM V/V NO.-SDV42)

ME JCW PREHEATER JW INLET & OUTLET V/V & P/P SUCTION V/V LEAKING. (PREHEATER INLET- TYPE-STOP V/VNOMINAL DIA-40MMV/V NO.-XHV2) (PREHEATER OUTLET- TYPE-STOP CHECK V/VNOMINAL DIA-40MMV/V NO.-XHV16) (JCW PREHEATER P/P SUCTION V/V- TYPE-STOP V/VNOMINAL DIA-40MMV/V NO.-XHV3)

MSW P/P NO.1 DISCHARGE V/V LEAKING.(TYPE-WAFER TYPE BUTTERFLY V/V NOMINAL DIA-250MM V/V NO.-WAV5)

MSW P/P NO.- 1&2&3 DISCHARGE LINE NON RETURN V/V LEAKING.(TYPE-PLATE CHECK V/V NOMINAL DIA-250MM V/V NO.-WAV19 & WAV18 & WAV20)

FW TANK STBD FILLING V/V SPINDLE BROKE TO BE RENEWED.(TYPE-STOP V/V NOMINAL DIA-25MM V/V NO.-XGV23)

FW V/V FROM PORT SIDE TANK TO HYDROPHORE LEAKING.(TYPE-STOP V/V NOMINAL DIA-50MM V/V NO.- XGV4)

BUNKER MANIFOLD (BOTH PORT & STBD) FOR DO & HFO BUNKER LINE FILTERS TO BE CLEANED(FILTER BODY DAMAGED).

NO.1 SETTLING F.O SETTLING TANK FILLING V/V FROM HFO TRANSFER P/P LEAKING.(SAME LINE IS BLANKED)(V/V NO.-FAV29 TYPE-BUTTERFLY V/VNOMINAL DIA-DN80)NEW VALVE TO BE FITTED.

HFO PURIFIER NO.-1 &2 M/E L.O PURIFIER AUTOMATIC STEAM CONTROL V/V TO HEATER NOT WORKING SAME TO BE MADE OPERATIONAL.

SEVERAL F.O TANKS LEVEL GUAGING NOT WOKING.TO BE MADE OPERATIONAL.

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