10.1.1 In addition to the requirements of Pt 3, Ch 11, 8 Side and stern doors and other shell openings and Pt 3, Ch 11, 9 Watertight doors , for cargo ships of 80 m in length and above, the relevant regulations concerning shell and watertight subdivision openings contained in the SOLAS - International Convention for the Safety of Life at Sea 1974, and amendments thereto are also to be complied with.