Assessment of Existing Structures and Repairs - Offshore Structures: Design, Construction and Maintenance - page 521

FIGURE 7.26 Notching machine.
FIGURE 7.27 Cutting machine.
set up on deck, the hydraulics attached and tested and the diamond wire saw
will be lowered to the sea floor by crane and then unhooked by the ROV.
The ROV will maneuver the saws into place (just above the mud line) and
clamp the saws onto the leg utilizing surface hydraulics. The ROV will monitor
cutting from a safe distance.
For the north side jacket leg cuts, the tugs will tie onto the platform before
cutting operations begin. The first tug will pull directly to the south, while the