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How to prepare your vessel prior navigating in cold weather -requred check items

Navigation in cold weather specially where ice is expected to be formed involved numerous hazards and various safety precautions should be taken by prudent navigator . Summarized below are some basic check items prior entering in a cold region. These procedures are only indicative, not exhaustive in nature and one must always be guided by practices of good seamanship.

1. Confirmation of draining fresh water & sea water pipelines of the vessel and display of appropriate notice at pump starting locations

2. Confirmation of draining all steam and exhaust pipelines

3. Pipelines which can not be drained, are kept circulating & monitored

4. Protection of air driven motors & other pneumatic equipment (motors covered, water drained, antifreeze lub oil used)

5. Continuous (no-load) operation of steering gear and deck machinery

6. Adding antifreeze to emergency generator cooling water

7. Using correct grade of hydraulic oil in pumps and other hydraulic equipment (specially designed for cold districts)

8. Allowing sufficient ullage space for expansion in all water tanks (Including LifeBoat FW tanks)

9. Isolation and draining of bridge front window washing line and surrounding accommodation fresh water pipelines

10. Providing crew with appropriate equipment and warm clothing

11. Instructions to all personnel instructed on hazards of working in cold areas

12. Confirmation of adequate heating in accommodation

13. Adequate stock of antifreeze (deicing salt) available on board

14. Confirmation of operation of bridge de-fogger system, clear view screen heating system and heating system for fog signal motor

15. Continuous operation of radar scanners (subject to terminal regulations for tankers)

16. Adding deicing salt to ballast sounding pipes to facilitate sounding and avoid cracking

17. Confirmation of operation of space heaters for electrical panels and motors



Additionally for Tankers only:

1. Draining of tank cleaning line / branch lines, steam manifold & heating coils (flush drain)

2. Filling of PV breaker with anti-freeze liquid

3. Starting of heating steam for deck seal water

4. Added anti-freeze liquid to lifeboat cooling water

5. Confirm steam trace lines, where fitted and in use have continuous supply of flowing steam and pipeline temperatures frequently monitored



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