inert gas maintenance plan

INERT GAS MAINTENANCE PLAN

(SOLAS CAPT. 2- Part E Reg. 14.4)

(COMPANY SQEMS)

Revision n. 0 01.01.05

M/T …………

Port of Registry

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THIS PLAN WILL NEED TO BE MADE AVAILABLE FOR INSPECTION ON OCCASIONS.

Record of Revisions

Revision / Date Part Actions / Revisions

01/01/2005 All Nil


INERT GAS SYSTEM

Maker _____________

Type _____________

Serial no. _____________

CONTENTS

1 WORKING HOURS RECORD

2 ALARM TEST AND SUGGESTED INTERVAL LISTS

3 ALARM TEST RECORDS

4 PROGRAMMED MAINTENANCE AND SUGGESTED INTERVAL LISTS

5 PROGRAMMED/OCCASIONAL MAINTENANCE AND REPAIR RECORD



Sheet no. 1

DATE TIME PARTIAL TOTAL OPERATION C.E.

ON OFF WORKING

HOUR

(DISCHARGE)

(REFILLING) (W. TEST)

SIGNATURE



Sheet no. 2


ON OFF WORKING

HOUR

(DISCHARGE)


SIGNATURE



Sheet no.


ON OFF WORKING

HOUR

(DISCHARGE)


SIGNATURE


2 ALARM TEST AND SUGESTED INTERVALS LISTS

Page no. 1

ITEM ALARM ON PLANT ITEM ON

PLANT

TEST

INTERVAL ALARM ACTION

1 EMERGENCY STOP WEEKLY

2 HIGH SEA WATER LEVEL IN SCRUBBER

MONTHLY 1) CLOSING ALL AUTOMATIC VALVE

3 LOW INSTRUMENT AIR SUPPLY PRESSURE

MONTHLY 2) STOP OF ALL MOTORS (NOT S.W. SUPPLY PUMP TO D.W.S.)

3) AUDIBLE AND VISUAL ALARM

4 POWER FAILURE, MOTOR S.W. SUPPLY

MONTHLY 4) OUTPUT ALARM SIGNAL TO E.O. ALARM SYSTEM

5 HIGH TEMPERATURE OUTLET BLOWER 1

MONTHLY

6 HIGH TEMPERATURE OUTLET BLOWER 2

MONTHLY 1) CLOSING ALL AUTOMATIC VLV.EXEPT S.W. SUPPLY

AND E.VLV.

7 BLOWER 1 FAILURE MONTHLY 2) STOP OF BLOWER.

8 BLOWER 2 FAILURE MONTHLY 3) AUDIBLE AND VISUAL ALARM.

9 LOW SEA WATER SUPPLY PRESS. TO

SCRUBBER

WEEKLY 4) OUTPUT ALARM SIGNAL TO E.O. ALARM SYSTEM.

10 LOW SEA WATER SUPPLY PRESS. TO DECK WATER SEAL

WEEKLY 5) S.W. SYSTEM SET TO “COOL DOWN TIME” STOP WHEN TIME IS OUT.

11 HIGH TEMPERATURE INSIDE SCRUBBER

MONTHLY

12 LOW SEA WATER LEVEL IN D.W.S. RESERVOIR

WEEKLY

13 HIGH GAS PRESSURE IN “MAIN INERT GAS LINE”

WEEKLY

14 POWER FAILURE MOTORS BLOWERS

MONTHLY

15 HIGH/LOW OXYGEN CONTENT

WEEKLY 1) ATMOSPHERE VALVE OPEN, CONSUMER VALVE CLOSED 2) AUDIBLE AND VISUAL ALARM. 3) OUTPUT ALARM SIGNAL TO E.O. ALARM SYSTEM.


Page no. 2

16 LOW GAS PRESSURE IN “MAIN INERT GAS LINE”

WEEKLY 1) AUDIBLE AND VISUAL ALARM.

2) OUTPUT ALARM SIGNAL TO E.O. ALARM SYSTEM.

17 VERY LOW PRESSURE IN “MAIN INERT GAS

LINE”

MONTHLY 1) BLOCKING OF CARGO PUMPS WHEN TANK Press.=< 100 mm W.G.

2) AUDIBLE AND VISUAL ALARM 3) OUTPUT ALARM SIGNAL TO E.O. ALARM SYSTEM.

18 START SEQUENCE WHEN ALARM IS

ACTIVATED

MONTHLY 1) START SEQUENCE IS BLOCKED IF ALARM IS ACTIVATED PRIOR TO START.

19 INDIVIDUAL ISOLATING TANK VALVE AND DECK

ISOLATING VALVES TIGHTENING CHECK

MONTHLY

20

21

22

23

NOTE:

24 HOURS PRIOR DISCHARGE ALL ALLARMS WILL BE CHECKED AND

RECORDED



Item 1 Emergency Stop

Sheet no.

DATE CHECK (*) RESULT / NOTE C.E. SIGNATURE

(*) M = MONTHLY, W = WEEKLY, P = 24 HOURS PRIOR DISCHARGE.



Item 2 High Sea Water Level In Scrubber

Sheet no.





Item 3 Low Instrument Air Supply Pressure

Sheet no.





Item 4 Power Failure Motor Sea Water Supply

Sheet no.





Item 5 High Temperature Outlet Blower No. 1

Sheet no.





Item 6 High Temperature Outlet Blower No. 2

Sheet no.





Item 7 Blower No. 1 Failure

Sheet no.





Item 8 Blower No. 2 Failure

Sheet no.





Item 9 Low Sea Water Supply to Scrubber

Sheet no.





Item 10 Low Sea Water Supply Pressure To Deck Water Seal

Sheet no.





Item 11 High Temperature Inside Scrubber

Sheet no.





Item 12 Low Sea Water Level In Deck Water Seal Reservoir

Sheet no.





Item 13 High Gas Pressure In Main Inert Gas Line

Sheet no.





Item 14 Power Failure Motors Blowers

Sheet no.





Item 15 High/Low Oxygen Content

Sheet no.





Item 16 Low Gas Pressure In Main Inert Gas Line

Sheet no.





Item 17 Very Low Pressure In Main Inert Gas Line

Sheet no.





Item 18 Start Sequence When Alarm Is Activated

Sheet no.





Item 19

Sheet no.





Item 21 Individual Isolating Tank Valve and Deck Isolating Valves

Tightening Check

Sheet no. 1




Item 21 Individual Isolating Tank Valve and Deck Isolating Valves

Tightening Check

Sheet no. 2




4 PROGRAMMED MAINTENANCE AND SUGGESTED INTERVAL LISTS

Page no. 1

ITEM COMPONENT INTERVAL MAINTENANCE ACTION N°. OF PLANT

AFTER USE WATER FLUSH.

ONE YEAR CLEANING WET FILTER .

1 SCRUBBER ONE YEAR CLEANING DEMISTER FILTER.

ONE YEAR CHECKED AND CLEANING SEA WATER NOZZLE.

DRY DOCKING FULL INTERNAL INSPECTION.

AFTER USE WATER FLUSHING.

AFTER USE INTERNAL INSPECTION THROUGH HATCHES.

2 BLOWERS DRY DOCKING OVERHAUL OF BEARING, SHAFT TIGHTENING AND OTHER NECESSARY WORK.

BEFORE START / WEEKLY

OPERATE THE VALVES IN ORDER TO AVOID STICKING. (WORKING TEST)

AFTER USE FLUSHING OVERBOARD PIPES AND VALVE FROM FLUE GAS SCRUBBER WITH SCRUBBER WATER PUMP FOR ABOUT ONE HOUR.

3 VALVES / LINES DRY DOCKING INSPECTION AND OVERHAUL OF AUTO

VALVES.

ONE YEAR OPEN DECK ISOLATING VALVE AND AUTO VALVE FOR INSPECTION AND OVERHAUL.

BEFORE START / ONE WEEK

MOVING AND LUBRIFICATING THE MECHANICAL NON RETURN VALVE.


Page no. 2

4 DECK SEAL ONE YEAR OPEN DECK WATER SEAL FOR INTERNAL INSPECTION.


CALIBRATION AND ADJUSTMENT SETS OF STATIONARY OXYGEN ANALYSER.

5 INSTRUMENT ONE WEEK CHECK THAT THE VALUES INDICATED BY INSTRUMENTS IN MAIN CONTROL PANEL, IN SUB PANELS AND LOCAL INSTRUMENT ARE CORRECT.


CHECK LIQUID LEVEL WHEN SYSTEM AT ATMOSPHERIC PRESSURE

6 DECK OIL SEAL SIX MONTHS CLEANING THE GAUGE LEVEL

7

8


5 PROGRAMMED/OCCASIONAL MAINTENANCE AND REPAIRS RECORDS

Item 1 Scrubber

Sheet no.

DATE INTERVAL MAINTENANCE ACTION / NOTE C.E. SIGNATURE



Item 2 Blowers

Sheet no.




Item 3 Valves and Lines

Sheet no.




Item 4 Deck Seal

Sheet no.




Item 5 Instrument

Sheet no.




Item 6 Deck Oil Seal

Sheet no.



5 PROGRAMMED / OCCASIONAL MAINTENANCE AND REPAIRS RECORDS

Item 7

Sheet no.


inert gas maintenance plan

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