Overhauling of Coolers and Heat Exchangers on MV Vishva Chetna

Amount

OVERHAULING /SERVICING OF COOLERS AND HEAT EXCHANGERS NOTE : 1.THE JOB TO BE EXECUTED ON TURNKEY BASIS. 2.CONSUMABLES(BOLTS,NUTS,GASKETS ETC,CHEMICALS(DESCALING AND DEGR ), ZINC ANODES ARE TO BE ARRANGED BY VENDOR ONLY.

HFO PURIFIER HEATER #1&#2 : Maker : SWEP HEAT EXCHANGER TYPE: B10THx50/1P-SC-S System Particulars : PLATE TYPE MAX. WORKING TEMP.- 235 DEG CEL MAX WORKING PRESS.- 31 BAR TEST PRESS. - 50 BAR. JOB DESCRIPTION: HEATER TO BE DISCONNECTED EMOVING ALL CONNECTING PIPES AND VALVES. TRANSPORTING TO WORKSHOP. DISMANTLING & LEANING PLATES WITH CHEMICAL. BOXED BACK RENEWING ORINGS/GASKETS. PRESSURE TESTLEAKGE RECTIFICATION IF FOUND ANY. TRANSPORTING BACK TO VESSEL AND FITTING ON ITS PLACE GIVING ALL CONNECTION.SATISFACTORY TRIAL TO BE GIVEN. REQUIRED CHEMICALS AND CONSUMABLES TO BE ARRANGED BY VENDOR.FOR PHEs GASKETS WILL BE SUPPLIED BY SHIP. INITIAL AND FINAL SURVEYS TO BE OFFERED TO IRS/LRS/SS.

AUX ENGINE AIR COOLERS : ALL THREE AE AIR COOLERS OF AUXILIARY ENGINES TO BE CLEANED CHEMICALLY. COOLERS TO BE REMOVED FROM POSITION AND SHIFTED TO WORKS SHOP. TO BE CLEANED CHEMICALLY WITH CAC CLEANER. CAC CLEANER TO BE ARRANGED BY VENDOR. PRESSURE TEST TO BE OFFERED TO IRS/LRS/SS. POST COMPLETION OF REPAIRS THE SAME TO BE FITTED BACK WITH NEW GASKETS(VENDOR SUPPLY). TRIALS TO BE OFFERED.

LO PURIFIER HEATER #1 & 2 : Maker : SWEP HEAT EXCHANGER TYPE: B10TH x 10/1P-SC-S System Particulars : PLATE TYPE MAX. WORKING TEMP. - 155 (235) DEG CEL MAX WORKING PRESS.- 31(27) BAR TEST PRESS. - 50 BAR JOB DESCRIPTION: HEATER TO BE ISCONNECTED REMOVING ALL CONNECTING PIPES AND VALVES.TRANSPORTING TO WORKSHOP. DISMANTLING & CLEANING BOTH SIDES OF PLATES CHEMICALLY. BOXED BACK RENEWING ORINGS/GASKETS. PRESSURE TESTLEAKGE RECTIFICATION IF FOUND ANY. TRANSPORTING BACK TO VESSEL AND FITTING ON ITS PLACE GIVING ALL CONNECTION.SATISFACTORY TRIAL TO BE GIVEN. REQUIRED CHEMICALS AND CONSUMABLES TO BE ARRANGED BY VENDOR.FOR PHEs GASKETS WILL BE SUPPLIED BY SHIP. INITIAL AND FINAL SURVEYS TO BE OFFERED TO IRS/LRS/SS.

M/E & A/E FUEL OIL HEATER #1 &#2: Maker : ALFA LAVAL System Particulars : SHELL AND TUBE TYPE MODEL: ALFA LAVAL TUMBA AB SWEDEN L=1525 DESIGN TEMP.- 240DEG CEL DESIGN PRESS.- 16BAR TEST PRESS.-24 BAR JOB DESCRIPTION: HEATER TO BE DISCONNECTED REMOVING ALL CONNECTING PIPES AND VALVES.TRANSPORTING TO WORKSHOP. ISMANTLING & CLEANING BOTH SHELL AND TUBE SIDE CHEMICALLY. BOXED BACK ENEWING ORINGS/GASKETS. PRESSURE TESTLEAKGE RECTIFICATION IF FOUND ANY. TRANSPORTING BACK TO VESSEL AND FITTING ON ITS PLACE GIVING ALL CONNECTION.SATISFACTORY TRIAL TO BE GIVEN. REQUIRED CHEMICALS AND CONSUMABLES TO BE ARRANGED BY VENDOR.FOR PHEs GASKETS WILL BE SUPPLIED BY SHIP. INITIAL AND FINAL SURVEYS TO BE OFFERED TO IRS/LRS/SS.

Maker : NANTONG FENGSUNG MECHAICAL CO. LTD TYPE - FSSRC-3 System Particulars : SHELL AND TUBE TYPE SURFACE AREA: 3 M2 SHELL SIDE TEST PR. - 1.15MPA TUBE SIDE TEST PR. - 0.60MPA M/E JCW PREHEATER : JOB DESCRIPTION: HEATER TO BE ISCONNECTED REMOVING ALL CONNECTING PIPES AND VALVES.TRANSPORTING TO WORKSHOP. DISMANTLING & CLEANING BOTH SHELL AND TUBE SIDE CHEMICALLY. BOXED BACK RENEWING ORINGS/GASKETS. PRESSURE TESTLEAKGE RECTIFICATION IF FOUND ANY. TRANSPORTING BACK TO VESSEL AND FITTING ON ITS PLACE GIVING ALL CONNECTION.SATISFACTORY TRIAL TO BE GIVEN. REQUIRED CHEMICALS AND CONSUMABLES TO BE ARRANGED BY VENDOR.FOR PHEs GASKETS WILL BE SUPPLIED BY SHIP. INITIAL AND FINAL SURVEYS TO BE OFFERED TO IRS/LRS/SS

MAIN ENGINE L.O COOLER : Maker : TRANTER HEAT EXCHANGERS CO. LTD TYPE- GXD-51N System Particulars : HEAT TRANSFER SURFACE: 165.55M2 HOTSIDE:- L.O FLOW RATE: 260 M3/H TEMP.(IN/OUT): 51.62/45.0 DEG C. COLD SIDE:- F.W FLOW RATE: 117 M3/H TEMP.(IN/OUT): 36/42.67 DEG C. JOB DESCRIPTION: CONNECTION TO BE EMOVED BY REMOVING DISTANCE PIECE AND VALVES FILTERS TO BE REMOVED AND CLEANED. CONSIDER FOR RENEWING FILTER MESH(VENDOR SUPPLY). COOLER TO DISMANTLED. ALL PLATE TO TAKEN OUT AND CLEANED CHEMICALLY.TO BE KEPT IN CHEMICAL FOR SOME TIMEPLATE TO BE WASHED AND INSPECTED INDIVIDUALLY FOR ANY DEFECTRUBBER SEAL TO BE INSPECTED TO BE RENEWED WITH SHIP SUPPLY SPAREPLATES FITTED BACK IN THE COOLER TIFHTENED AS PER MAER INSTRUCTION CONNECTION TO BE MADE AND COOLER TO BE TRIED OUT.PRESSURE TEST TO BE CARRIED.QUOTE ALL INCLUSIVE OF HEMICALS,CONSUMABLES . INITIAL AND FINAL SURVEYS TO BE OFFERED TO IRS/LRS/SS.

LT FW COOLER : MAKER: TRANTER HEAT EXCHANGERS CO. LTD TYPE: GXD-51NHOT SIDE FW280 M3 PER HRSW SIDE 320 M3 PER HRS. HEAT TRANSFER SURFACE- 162.25 SQ MTR NO.OF PLATE *297. JOB DESCRIPTION: CONNECTION TO BE EMOVED BY REMOVING DISTANCE PIECE AND VALVESFILTERS TO BE REMOVED AND CLEANEDCONSIDER FOR RENEWING FILTER MESH(VENDOR SUPPLY). COOLER TO DISMANTLED. ALL PLATE TO TAKEN OUT AND CLEANED CHEMICALLY. TO BE KEPT IN CHEMICAL FOR SOME TIMEPLATE TO BE WASHED AND INSPECTED INDIVIDUALLY FOR ANY DEFECT. RUBBER SEAL TO BE INSPECTED 2 LS TO BE RENEWED WITH SHIP SUPPLY SPARE PLATES FITTED BACK IN THE COOLER TIGHTENED AS PER MAKER INSTRUCTION. CONNECTION TO BE MADE AND COOLER TO BE TRIED OUT.PRESSURE TEST TO BE CARRIED.QUOTE ALL INCLUSIVE OF HEMICALS,CONSUMABLES . INITIAL AND FINAL SURVEYS TO BE OFFERED TO IRS/LRS/SS.

M/E JACKET FW COOLER : MAKER: TRANTER HEAT EXCHANGERS CO. LTD TYPE: GCP-26PHOT SIDE FW100 M3 PER HRSW SIDE 117 M3 PER HRS. HEAT TRANSFER SURFACE- 9.88M2 NO.OF PLATE *40. JOB DESCRIPTION: CONNECTION TO BE EMOVED BY REMOVING DISTANCE PIECE AND VALVESFILTERS TO BE REMOVED AND CLEANEDCONSIDER FOR RENEWING FILTER MESH(VENDOR SUPPLY).COOLER TO DISMANTLEDALL PLATE TO TAKEN OUT AND CLEANED CHEMICALLY.TO BE KEPT IN CHEMICAL FOR SOME TIMEPLATE TO BE WASHED AND INSPECTED INDIVIDUALLY FOR ANY DEFECTRUBBER SEAL TO BE INSPECTED TO BE RENEWED WITH SHIP SUPPLY SPAREPLATES FITTED BACK IN THE COOLER TIFHTENED AS PER MAER INSTRUCTION CONNECTION TO BE MADE AND COOLER TO BE TRIED OUT.PRESSURE TEST TO BE CARRIED.QUOTE ALL INCLUSIVE OF CHEMICALS ,CONSUMABLES . INITIAL AND FINAL SURVEYS TO BE OFFERED TO IRS/LRS/SS.

ATMOSPHERIC / DUMP CONDENSER ( SURVEY) : System Particulars : SHELL AND TUBE TYPE TYPE: FSECLN-15 COOLING AREA: 15M2 S.S DESIGN PR.: 0.77MPA T.S DESIGN PR.: 0.6MPA S.S TEST PR.:1.15MPA T.S TEST PR.: 0.9MPA STEAM AND WATER CONNECTION TO REMOVE END COVER TO OPENED TUBES TO BE CLEANED SHELL SIDE CLEANING TO BE DONE.END COVER TO BE CHECKED IF RUBBER COATING OF THE END COVER DAMAGED THEN SAME TO BE REPAIRED.ANODES TO RENEW(ANODES TO BE SUPPLIED BY VENDOR).PARTS TO BE SHOWN TO SURVEOR CONDENSER ASSEMBLED PRESSURE TESTED TO 4 BAR PRESSURET TRANSPORTED TO VESSEL AND FITTED BACK.ALL CONNECTION TO BE GIVEN.INLET AND OUTLET VALVE (DIA 150 BUTTERFLY VALVES GEAR OPERATED)TO BE OVERHAULED.ALL GASKET JOINTING NUTS AND BOLTS VENDOR SUPPLY. QUOTE FOR PLUGGING OF TUBE 10% OF TUBES. LEAKY TUBES TO BE PLUGGED .PLUGS VENDOR SUPPLY.

FRESH WATER GENERATOR : FOLLOWING WORKS TO BE CARRIED OUT ON FRESH WATER GENERATOR : 1.CONDENSER TO BE OPENED.END COVER TO BE CLEANED AND CHECKED.DAMAGE RUBER COATING TO BE REPAIRED.CONDENSER TUBES TO BE THOROUGHLY CHEMICALLY CLEANED OFF SCALE END COVER TO BE FITTED BACK & CONDENSER TO BE PRESSURE TESTED TO 7 KG/CM2. RENEW DEMISTER FILTER 2.EVAPORATOR TO BE TAKEN OUT FROM PLACE TO BE TRANSPORTED TO YARD TUBES TO BE THOROUGHLY CHEMICALLY CLEANED UPTO CEO SATISFACTION DESCALED PR TESTED. TO BE TRANSPORTED BACK TO VESSEL FITTED ON ITS PLACE WITH NEW GASKET AND NUTS/BOLTS. 3.SHELL FRONT COVER TO OPENED SHELL COATING TO BE CHECKED AND DAMAGE COATING TO RENEWED IF FOUND.SIGHT GLASS TO BE RENEWED.SIGHT GLASS TO BE PROCURED AND FITTED BY VENDOR. 4.VACUUM GAUGE SHELL TEMP THERMOMETER TO RENEW VACUUM BREAK VALVE TO OVERHAULED GAUGE GLASS TO RENEW.(VENDOR SUPPLY) 5.AFTER COMPLETION OF ALL REPAIRS SYSTEM TO BE TESTED FOR VACUUM. REQUIRED CHEMICALS ,CONSUMABLES THE SPECIFIED ITEMS IN TH

SHRI GURUDATTA ENGINEERING WORKS

avisan engineering enterprises

SRI SAI KRISHNA WORKS

Sri Balaji Marine and Civil Engg Works

KRYSTAL ENGINEERING TECHNOLOGIES