English to French Tech/Engineering Transport / Transportation / Shipping Description d'une barge

Bonjour,

S'agissant d'une barge semi-submersible :

"Emergency towing equipment Comprises:
1.
A smith bracket located at the main deck in CL fwd.
2.
A chain of length approx. 4 m connecting the emergency towing wire to the smith bracket.
3.
An emergency towing wire of length approx. 100 m, Ø 100 mm, secured to SB side of the barge, and with a spelter socket located at main deck aft.

Capacities
The main towing equipment has a ***SWL*** of 85 tonnes."

J'ai trouvé "scantling water line". Ligne de flottaison... ?

Merci beaucoup !