Sunday, 14 August 2011

COLLISION AT SEA, ON CHEMICAL TANKERS - CAPT AJIT VADAKAYIL



COLLISION AT SEA--






























































No.
Action
Tick
1
Try to take collision forward of collision bulkhead or as a glancing
blow
2
It is better to lose both anchors or be aground in soft mud head-on 
than have a collision
3
Sound general alarm and whistle followed by PA announcement 
“ imminent collision , leave your cabins”
4
Stop main engines, unless circumstances dictate otherwise
5
Note down date and time of occurance
6
Call the Master
7
Put on deck lights and NUC lights
8
Inform traffic in vicinity by VHF DSC / 16
9
Warn vessel in vicinity by SECURITE/  URGENCY broadcast
10
Note down the GPS position and course and speed  where
collision happened
11
Establish communication with other vessel , offer assistance as
per law
12
Exchange data with other ship like bulbous bow, name, call sign,
 registry, number of crew and nationality, owners, last and next
 ports, cargo on board, injuries, damage sustained, pollution
13
Remember to hold other vessel responsible on public channel
and repudiate liability, as soon as you get the time. VDR will
record this.
14
Ascertain if ship’s crew is injured by head count
15
Assess damage to own vessel and point of contact
16
Check angle of contact
17
Assess if there is damage below water to hull
18
If vessels are interlocked assess if it is safe to separate ( sparks/
sinking/ larger spill ) in smooth seas only
19
If interlock mode is chose rig up moorings to prevent
inadvertent disengagement, and keep fire hoses ready to  
quench sparks
20
Close watertight doors
21
Check for possibility of beaching
22
Obtain report of ER machinery from Chengr
23
Warn vessel in vicinity by SECURITE/  URGENCY broadcast
24
Continuous watch on channel 16 VHF
25
Prepare LB for launching
26
AIS updated .
27
Take photographs
28
Sound all tanks and bilge
29
If oil spill occurs follow SOPEP or VRP plans
30
Inform the company.
31
Assess meteorological conditions in the area SPOS/ BONVOYAGE
32
Verify damage stability
33
Check draught fore and aft list, and trim
34
Mark course recorder and engine room data logger with
collision time
35
Check log book records, (course, speed, visibility) prior to
collision
36
Estimate and record angles of impact
37
Note course and speed at time of impact
38
Note time of all sound/light signals made and heard/seen
39
Monitor weather forecasts
40
Consider anchoring possibilities
41
Check if any cargo or bunkers are lost
42
Isolate penetrated tanks and use water buffer to stop loss of
cargo/ bunkers and pollution.
43
Check ballast/fresh water distribution to correct list / trim
44
Ascertain is there is danger of sinking or if seaworthiness is affected
45
Call class only is seaworthiness is affected
46
Ascertain if salvage assistance is required
47
Preserve VDR backup. Communications with / from pilot will be
an important evidence .
48
Divert to port of refuge
49
Keep abandon ship options open
50
Inform H@M underwriters
51
In case seaworthiness is affected Master to impound all charts,
printouts, logs, resthours  and graphs for company lawyers.
52
Enter facts in deck and official log books, without erasures,
alterations ( Master to ensure )
53
Inform relevant port state within 24 hrs ( if seaworthiness is affected )
54
Master to repudiate liability and NOT to give statement to
media without company clearance
55
Ensure cargo lien on GA contribution, hence don’t discharge
cargo without company clearance
56
Master to note protest with Club’s advise
57
Check if New Jason’s clause exists in the Bill of Lading format
you signed
58
Prepare follow up reports and statement of eye witnesses

Note: In case of carcinogenic flammable volatile spill ( like Benzene ) , it is MOST important keep ship upwind of the spill.

Try to hemetically seal leaking cargo/ oil tanks after removing head above sealevel by internal transfer.





CAPT AJIT VADAKAYIL
(29 YEARS IN COMMAND )
..

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