Section 2 Stability

201. General

1. Intact stability criteria and damage stability criteria are to be in accordance with the requirements specified in Rules for the Classification of Mobile Offshore Drilling Units under the environ- mental conditions specified in Ch 3. When calculating wind overturning moments, in cases where units are designed to be under wind from a specified direction, the overturning moment induced by wind from a specified direction may be accepted.

2. The arrangements of watertight compartments, watertight bulkheads and closing devices are to be in accordance with the requirements specified in Rules for the Classification of Mobile Offshore Drilling Units, Pt 3 and Pt 12 of Rules for the Classification of Steel Ships.