Load Line on Ships- Plimsoll Line
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- เผยแพร่เมื่อ 4 ส.ค. 2024
- #loadline #shipmarking #Plimsoll
This Video Explain the ship load line marking on the hull of a ship known as the Plimsoll line or the Plimsoll mark, which indicates the limit until which ships can be loaded with enough cargo. Internationally, the Plimsoll line on a ship is officially referred to as the International load line.
Ship load Line is a special marking positioned amidships. All vessels of 24 meters and more are required to have this Load line marking at the centre position of the length of summer load water line.
The complete Load line markings consist of 3 vital parts:
Deck Line - It is a horizontal line measuring 300mm by 25mm. It passes through the upper surface of the freeboard.
Load Line Disc - It is the 300mm diameter and 25mm thick round shaped disc. It is intersected by a horizontal line. The upper edge of the horizontal line marks the ‘Summer salt water line’ also known as ‘Plimsol Line’.
Load Lines - Load lines are horizontal lines extending forward and aft from a vertical line placed at a distance of 540mm from the centre of the disc. They measure 230mm by 23mm. The upper surfaces of the load lines indicate the maximum depths to which the ships maybe submerged in different seasons and circumstances.
It was in 1930, when the first International Load Line Convention took place, after which, it was periodically amended until the latest one that happened in 2003.
The fundamental purpose of a Load Line is to allot a maximum legal limit upto which a ship can be loaded by cargo. By prescribing such limits, the risk of having the vessel sailing with inadequate freeboard and buoyancy can be limited. A vessel should be having sufficient freeboard at all times, any exceptions made will result in insufficient stability and excessive stress on the ship’s hull. This is where load lines play an important role, as it makes the task of detecting whether the vessel is over-loaded and its freeboard tremendously easy and effortless.
Very informative💝 it helps me to understand the fundamental purpose of the load line. In the future, I can use this. Thank you. More videos to come.
From Philippines: BSMAR-E Student
Great to hear! Please do share and support
Thank you for this wonderful video ... thanks alot
Glad the video content is useful. Thank you for your support.
According to ICLL, the FWA is equal to displacement/(40*TPC). Displacement and tonnes per centimetre at the summer load waterline.
Thak you so much for sharing acknowledgement.
You are so welcome!
What is the connection between the plimsoll line and the lines called draught ljnes
Many many thanks.
You are most welcome
Thank you
👍
Very informative
Glad it was helpful!
perfect
Thank You 👍🏻
very important
one other small correction the thickness of the lines are 25mm not 23mm
Thank you George...👍🏻
Could I ask if you have any information with regards to load line assignment?
you can check this link - marineengineeringonline.com/condition-of-assignment-load-line-survey/
Nice ❤️❤️❤️
👍
2:56 , is it freeboard? As per my understanding, freeboard is the distance between waterline and deckline..
Yes its wrong
Nice
Thanks
Believe this came about because UK shipping was losing thousands of overloaded ships around the coast, a national scandal. Some MP Plimsoll came up with the idea of a a load line and ships would then be insured by Lloyds of London. LR Lloyds Register. This dramatically reduced ship loses. I think mainly coal from the north going to London.
en.wikipedia.org/wiki/Samuel_Plimsoll
Thank you for sharing that additional info 👍🏻
This is *loaded* with information
So, if a ship is loaded to the TF line in tropical fresh waters, then sails to Winter Salt waters, does it become less safe, or more safe?
The buoyancy of different waters are the reason for the lines. If you sail from warm TF waters that are less buoyant than the colder more buoyant waters in a winter sea zone the ship will rise from the TF mark to the Winter mark due to the denser, more buoyant waters. Still safe. Due to the hight difference between the two lines the vessel's center of gravity could be affected but not in a way that would deem it unsafe. To answer your question, it would be less safe due to righting arm angle increase.
It helps to do my physics paper,!
👍
Wuiuuu xbest
🙏
Good one dono LULW
What does the B and V at begining and end of the plimsoll line mean?
Bureau Veritas, name of the classification society with which the ship is classed with.
Can i ask po?
What is international load line convention?
Thankyou.
For my assignment only
already Replied :)
I think he got the freeboard thingy wrong. For me Its distance from the water line to the lower deck. Never mind, I’m a bit drunk … COVID darlings…
this is the boomer voice from millenia thinker channel
Loaded
👍🏻
i don't understand 😭
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Can i ask po?
What is international load line convention?
Thankyou.
For my assignment only
Hi
Please check these articles - www.marineinsight.com/marine-navigation/introduction-ship-load-lines/
www.marineinsight.com/guidelines/preparing-for-load-line-survey-on-ships/
www.jus.uio.no/english/services/library/treaties/08/8-03/load-lines.xml (adetailed vesion)
Thankyou 😘
KeepSafe
Happy to help. You too take care 👍👍