IPC 2013 : E02D 9/04 : by cutting-off under water.

IPC2013 > E > E02 > E02D > E02D 9/00 > E02D 9/04[1] > by cutting-off under water.
Notes[t] E01 - E06: BUILDING
E SECTION E — FIXED CONSTRUCTIONS.
E02 HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL-SHIFTING.
E02D FOUNDATIONS; EXCAVATIONS; EMBANKMENTS (specially adapted for hydraulic engineering E02B ); UNDERGROUND OR UNDERWATER STRUCTURES.
E02D 9/00 Removing sheet pile bulkheads, piles, mould-pipes, or other moulds (for both placing and removing E02D 11/00).
E02D 9/04 · by cutting-off under water.