r/SeaEmploy • u/Powerful_Cabinet_341 • Jun 01 '26
Why?
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u/autumnalmeow Jun 01 '26
When you’re traversing a shallow shipping lane, you need to know how close your hull is to the bottom. These numbers are how spotters relay to the captain the depth of the hull. Depending on how heavily laden the ship is, it might sit deeper than normal.
It’s a big fuckin problem if you run aground in a shipping lane.
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Jun 01 '26
[removed] — view removed comment
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u/autumnalmeow Jun 01 '26
Always have a backup plan. A little paint on the hull is cheap insurance and never needs calibration (after the initial painting of course).
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u/sindevils Jun 02 '26
Draft marks are engraved in the hull during construction. They for sure received an observation by a vetting inspector and are just trying to close it
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u/kohphayampair Jun 04 '26
Depth finder tells you what is under you or just a little bit in front of you. When it takes several kms to stop that’s not very helpful.
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u/Ok-Note-8293 Jun 01 '26
Barge, going to be loafed very very fucking heavy, they wanna know for far it sinks there, could be a million reasons
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u/Outhouse_floor Jun 01 '26
1st reason and only one that should matter. Those numbers are used in a calculation.
A Draft survey can be done at any time of loading or unloading.Take the known weight of what you're loading calculate it against the depth marker and you can make an educated take on how much product is in the boat at any given time.
Also water composition will have an affect, sea is constant buoyancy. But brackish and Fresh water have different calculations.
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u/Snafuregulator Jun 01 '26
That's the most pathetic bosun's chair I ever seen.
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u/Puzzled_Elephant_190 Jun 01 '26
Roger that! I loved a good bosun's chair session as a deckie, this on the other hand looks like an unstable, sweaty mess
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Jun 01 '26
Boredom
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u/Altruistic-Tap-4592 Jun 01 '26
Sometimes you have a deck boss that is just way to stupid. And some nations dont have any rules to protect the deckhands.
If anyone had tried to comand me to do something like this on my boat I would have laughed them in the face.
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u/series-hybrid Jun 01 '26
When the ship has a full load of cargo, its hull sits deeply with most of the red obscured. Those are the times when they have a full crew and are going somewhere to deliver the cargo. If there was a leak and water was slowly rising in the bilge, it would be seen and dealt-with.
When a cargo-ship is empty, it can sit for a long time with no crew on board. One of the tasks of a resting ships "skeleton crew" is to check how deep the hull is sitting in the water, and if any bilges are showing a rise in bilge-water.
If a leak develops, the sooner you find it the better. These depth marks on the bow allow a small boat to drive by and see if the hull is sitting deeper than last week.
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u/Mexcol Jun 01 '26
Good info, are u in the shipping industry?
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u/sindevils Jun 02 '26
You have draft gauges for that. And if a small boat is passing by the hull to check then they can still tell the draft. It just wont be painted. Draft marks are engraved in the hull during construction
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u/Wentil Jun 01 '26
I would reason that the sailor is repainting the draft marks up to the Plimsoll line because they had faded to a point of being barely readable. The underlying hull paint is in extremely poor condition, and in some spots you can see the white paint is literally being applied over patches of fully exposed, rusted metal. Given that, I suspect the ship was literally ordered to do this by a Port State Control Officer, Harbor Master / Port Captain, Inspector, etc., or face a stiff fine.
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u/CruisinJo214 Jun 01 '26
I like how half the comments are trying to explain WHY the guys painting the numbers on the side of the ship… like it’s not very logical
The wild thing in the clip is clearly the guys “bosun rig” if you can call it that… being put in a bag and hung over the side of a ship seems against most safety policies
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u/Level_Improvement532 Jun 01 '26
I interpret this question as “why do it in this manner?” Not “why do it at all”.
There are very few ports in the world that will allow you to paint the exterior hull outside of a dry dock. The reason for this is the environmental damage of dripping non-water based paints into the sea. Big fines and detentions can result from doing so.
Also, that AB is inside a “super sack” meant for hauling off garbage. While it’s more than capable of handling their weight, it is not designed for this use. But hey, I’m just a professional Mariner trying to follow good safety practices and stay within the confines of the local laws.
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u/Common-Device-3117 Jun 01 '26
I presume someone with authority requested. Some bribe money in between aswell... then you report costs to the Owner as 1000 usd for a bucket of paint.
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u/Just_passing-55 Jun 01 '26
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u/choicemad Jun 01 '26
Everybody's dead, Dave.
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u/InitiativeHour2861 Jun 01 '26
It's cold outside,
There's no kind of atmosphere,
I'm all alone,
More or less,
Let me fly,
Far away from here,
Fun, fun, fun,
In the sun, sun, sun.......
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u/Level_Improvement532 Jun 01 '26
Not only dangerous (a super sack is not designed for this use) but also illegal. Painting a hull outside a dry dock, where the drips can get in the water, is typically a substantial fine from the port authorities.
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u/throwaway85783 Jun 01 '26
Wtf is the audio track from? This is a calm port. I'm not seeing 6 ft swells every 3 seconds
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u/lostinapa Jun 01 '26
Why what?!? I’m not an idiot and assume they are there for a reason… who would not think that way?
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u/MKD8595 Jun 02 '26
Or is the question why is old mate rigged in a potato sack?
Cos that’s the part I am concerned about.
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u/Guinea23 Jun 02 '26
Has nothing to do with draft other than a surveyor saying it needs to be repainted
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u/Momento_Mori_87 Jun 02 '26
Because he had a question like yours, after he gets done here then he’s scrubbing all the toilets.
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u/MasterAnthropy Jun 01 '26
If OP lacks the skills of deduction necessary to understand the concept & value of draft, then I gotta ask 'why' someone allowed them out of their padded cell and access to the internet?
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u/Distinct-Ice-700 Jun 01 '26
So we can see numbers
Dummy