Appendix – Example Service Charts
Clasification Society 2024 - Version 9.40
Statutory Documents - IMO Publications and Documents - Circulars - Maritime Safety Committee - MSC.1/Circular.1318/Rev.1 – Revised Guidelines for the Maintenance and Inspections of Fixed Carbon Dioxide Fire-Extinguishing Systems – (25 May 2021) - Annex – Revised Guidelines for the Maintenance and Inspections of Fixed Carbon Dioxide Fire-Extinguishing Systems - Appendix – Example Service Charts

Appendix – Example Service Charts

HIGH PRESSURE CO2 SYSTEM
Date: Name of ship/unit: IMO No.:  
Technical description
No. Text Value
1 Manufacturer  
2 Number of main cylinders  
3 Main cylinders capacity (each)  
4 Number of pilot cylinders  
5 Pilot cylinder capacity (each)  
6 Number of distribution lines  
7 Oldest cylinder pressure test date  
8 Protected space(s)  
9 Date flexible hoses fitted/renewed  
Description of inspection/Tests
No. Description Carried out Not carried out Not applicable Comment
1 Release controls and distribution valves secured to prevent accidental discharge        
2 Contents in main cylinders checked by weighing        
3 Contents in main cylinders checked by liquid level indicator        
4 Contents of pilot cylinders checked        
5 All cylinder valves visually inspected        
6 All cylinder clamps and connections checked for tightness        
7 Manifold visually inspected        
8 Manifold tested for leakage, by applying dry working air        
9 Main valve and distribution valves visually inspected        
10 Main valve and distribution valves tested for operation        
11 Time delay devices tested for correct settingfootnote        
12 Remote release system visually inspected        
13 Remote release system tested        
14 Servo tubing/pilot lines pressure tested at maximum working pressure and checked for leakages and blockage        
15 Manual pull cables, pulleys, gang releases tested, serviced and tightened/adjusted as necessary        
16 Release stations visually inspected        
17 Warning alarms (audible/visual) tested        
18 Fan stop testedfootnote        
19 10% of cylinders and pilot cylinder/s pressure tested every 10 years. All cylinders and pilot cylinder/s pressure tested before the 20-year anniversary and every 10-year anniversary thereafter        
20 Internal inspection of all control valves performed at least once every five years        
21 Distribution lines and nozzles blown through, by applying dry working air        
22 All doors, hinges and locks inspectedfootnote        
23 All instruction and warning signs on installation inspected        
24 All flexible hoses renewed and check valves in manifold visually inspected every 10 years        
25 Release controls and distribution valves reconnected and system put back in service        
26 Inspection date tags attached        
LOW PRESSURE CO2 SYSTEM
Date: Name of ship/unit: IMO No.:  
Technical description
No. Text Value
1 Manufacturer  
2 No. of tanks  
3 Tanks capacity (tonnes)  
4 Number of pilot cylinders  
5 Pilot cylinder capacity (each)  
6 Number of distribution lines  
7 Protected space(s)  
Description of inspection/Tests
No. Description Carried out Not carried out Not applicable Comment
1 Tank main service valve closed and secured to prevent accidental discharge        
2 Distribution valves verified closed        
3 Check correct function of level indicator        
4 Contents of CO2 tank checked by tank level indicator        
5 Contents of CO2 tank checked by riser tube reading        
6 Contents of CO2 tank checked by level control valve        
7 Supports of tank inspected        
8 Insulation on tank inspected        
9 Safety valves of tank inspected        
10 Safety valves of tank tested        
11 Contents of pilot cylinders checked        
12 Start/stop function of cooling compressors tested        
13 All connected electrical alarms and indicators tested        
14 Main manifold valve inspected        
15 Internal inspection of all control valves performed at least once every five years        
16 Main manifold valve tested        
17 Distribution valves inspected        
18 Distribution valves tested        
19 Release stations inspected        
20 Total flooding release mechanism inspected        
21 Total flooding release mechanism tested        
22 Time delay devices tested for correct settingfootnote        
23 Warning alarms tested        
24 Fan stop testedfootnote        
25 Distribution lines and nozzles inspected        
26 Distribution lines and nozzles tested        
27 Distribution lines and nozzles blown through        
28 All doors, hinges and locks inspectedfootnote        
29 All instruction plates inspected        
30 Tank main service valve reopened and secured open        
31 System put back in service        
32 Inspection date tags attached        
Parent topic: Annex – Revised Guidelines for the Maintenance and Inspections of Fixed Carbon Dioxide Fire-Extinguishing Systems
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