Navatech Ltd was contracted by Boskalis Subsea Services to perform the seafastening of a 18Te WLL ACE winch derated to 10Te WLL. The winch was used in connection with a sheave post (20Te SWL sheave) to re-route a "tag line" wire and was fastened on board the Southern Ocean vessel .

The "tag line" was used to facilitate the recovery of the Victor JM structure, weighing 117Te.

FS2000 model of the winch grillage:

FS2000 models of the Tag line grillage :
Beam Model:
The beam model of the Tag Line Grillage includes a simplified representation of the structural framework, focusing on the primary load-bearing beams. This model is used to analyze the overall structural integrity and load distribution of the grillage.

Detail Shell Model:
The detail shell model provides a more granular analysis of the Tag Line Grillage and its connection to the tubular, capturing the intricate details and stress distribution.