Overhauling of Composite Boiler and Associated Auxilaries for MV Viswa Vijeta

Amount

ITEM : COMPOSITE BOILER (TO SURVEY) TYPE / CAPACITY / DETAILS : MAKE - GREEN SHAZHOU TYPE - COMPOSITE,CAPACITY-1000/1500 KG/HR WORKING PRESSURE: 7 BAR,DESIGN PR.:9 BAR

SMOKE AND WATER SIDE INSPECTION MANHOLE DOORS AND HAND HOLES COVER TO OPEN AND TO BE CHECKED FOR SURFACE UNEVENNESS. LIP SURFACES OF MANHOLE DOORS HANDHOLES DOOR AND LIP ON THE BOILER OPENING TO BE SMOOTHENED FOR BOXING BACK.WATERSIDE AND EXHAUST GAS SIDE TO BE CLEANED THOUROUGHLY WITH THE REMOVAL OF SCALE(WATER SIDE) WITH HIGH PRESSURE WATER JET AND CIRCULATION OF CHEMICALS BY EXTERNAL ARRANGEMENT OF PUMPS FOR 48HRS. THEN CIRCULATION OF WATER TO TAKE OUT THE CHEMICAL. VENDOR TO QUOTE THE COST INCLUDING CHEMICAL SUPPLY ,CONSUMMABLE MATERIAL AND CONSIDERING HEAVY OIL DEPOSIT ON WATER SIDE TUBE.

AFTER CLEANING SMOKE TUBE BOTH AUX BOILER SIDE AND EXHAUST BOILER SIDE TO BE INSPECTED FOR PITTINGS AND CORROSION.ALL MANHOLE DOOR AND HAND HOLE JOINTS TO BE RENEWED ( SUPPLY).HYDRAULIC TESTING OF BOILER TO BE CARRIED OUT.BOILER TO BE PRESENTED FOR SURVEY.AFTER SURVEY ALL DOORS AND HAND HOLE COVER TO BE FITTED BACK WITH NEW JOINT , NUT BOLTS AND PACKING(ALL VENDOR SUPPLY).

BOILER FURNACE DOORS TO BE OPENED UP AND ALL TUBES EXHAUST SIDE TO BE THOUROUGHLY CLEANED OFF ALL SOOT AND CARBON DEPOSITS.

PITTINGS ON THE SMOKE TUBE (PIN TUBE) TO BE GROUND AND WELDED AS PER RPOCEDURE AGREED BY SURVEYORS.

BOILER FEED CONTROL & COMBUSTION CONTROL TO BE CHECKED. CONTROLLER TO BE SERVICED & CALIBRATED BY SERVICE ENGINEER. ; SAME TO SHOW TO SHIP STAFF; WORKING SATISFACTORY.

FOLLOWING MOUNTINGS AND V/VS TO BE OVERHAULED, PUT UP FOR SURVEY AND FITTED BACK IN PLACE :

A) FURNACE DRAIN V/V DN 40

B) BOTTOM BLOW DOWN V/V'S DN 32

C) SCUM BLOW DOWN V/V DN 25

E) SAMPLING V/V DN 10

F) GAUGE GLASS V/V'S (COCKS) WCB

K) AUX. FEED V/V DN 32

L) SAFETY V/V DN 40/65

M) MAIN STEAM STOP V/V DN 80

N) VENT V/V DN 10

0) DP CELL CONDENSOR IN/OUT V/V'S DN 25

P) PR. GAUGE V/V M22*1.5

Q) HIGH WATER LEVEL ALARM FLOT CONDENSOR DN 25

R) LOW WATER LEVEL ALARM FLOT CONDENSOR V/V DN 25

S) PR.SWITCH V/V M22*1.5

T) EXHUAST GAS BOILER RAIN WATER DRAIN VALVE DN 51

TO QUOTE SEPARATELY FOR CHANGING EACH TYPE OF VALVE-01 NO EACH VENDOR SUPPLY(IF FOUND BEYOND REPAIR)

ALL MOUNTINGS TO BE FITTED BACK.WATER TO BE TAKEN.BOILER TO BE FLASHED AND SAFETY VALVES TO BE FLOATED ON PREDETERMINED PRESSURE IN FRONT OF SURVEYORS AND SUPD/CEO

BOILER WATER SIDE ALL OPENING TO BLANK, FILL UP WATER COMPLETELY AND HYDRAULIC PRESSURE TESTING 1.5 TIMES OF DESIGN PRESSURE TO BE CARRIED OUT IN FRONT OF SHIP STAFF AND SURVEYOR . SATISFACTRY HYDRAULIC TEST TO BE SHOWN TO SURVEYOR.

EXHAUST BOILER TUBE PLUGGING IF ANY LEAKAGE FOUND DURING PRESSURE TESTING QUOTE FOR PER TUBE.

ALL REMOTE GAUGES 4NOS TO CHECK AND CALIBRATE. BOILER LOCAL MASTER PRESSURE GUAGE TO BE CALIBRATED BEFORE TRIAL OF BOILER.

QUOTE FOR RENEWAL OF ALL AUX BOILER TUBES 191 NOS AND EXHAUST BOILER TUBES 500 NOS ( NEW TUBES SHIP SUPPLY) . QUOTE TO BE INCLUSIVE OF ALL REPAIR PROCESSES ,TOOLS,CONSUMABLES, WELDING GASES , NEW JOINTS AND PACKINGS , MANPOWER , TRANSPORTATION , SCRAP REMOVAL , STAGING, VENTILLATION, LIGHTING ETC

21034 ITEM: ATMOSPHERIC / DUMP CONDENSER ( SURVEY) Maker : NANTONG FENGSUNG MECHANICAL CO. LTD System Particulars : SHELL AND TUBE TYPE TYPE: FSECLN-15 COOLING AREA: 25M2 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.PARTS TO BE SHOWN TO SURVEYOR CONDENSER ASSEMBLED PRESSURE TESTED TO 4 BAR PRESSURE TRANSPORTED TO VESSEL AND FITTED BACK. ALL CONNECTION TO BE GIVEN.INLET AND OUTLET VALVE TO BE OVERHAULED. ALL GASKET JOINTING NUTS AND BOLTS VENDOR SUPPLY.

CONDENSOR END COVERS IF DAMAGED ,SAME TO BE REPAIRED OR RENEWED

QUOTE FOR RENEWAL OF TUBES IF REQUIRED ;

QUOTE FOR PLUGGING OF TUBES IF REQUIRED ;

gk engineering works

Sri Balaji Marine and Civil Engg Works

SHRI GURUDATTA ENGINEERING WORKS