Section 6 Ventilators

601. Ventilators

1. The height of ventilators above decks is not to be less than that given in Table 9.3 in accordance with Ä and position specified in 103. However, the height of ventilator may be reduced where the dredger has an unusually large freeboard. or ventilators to unenclosed superstructure.

2. The thickness of ventilator is to comply with those approved by this society.