Iranian Classification Society Rules

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Section 4 Ventilators


401. Height of ventilator coamings

The height of ventilator coamings above the upper surface of the deck is not to be less than given in the following Table 18.1 corresponding à and the position specified in Ch 17, 103. However, a lower height may be accepted where the barge has an specially large freeboard or where the ventilator serves the spaces within unenclosed superstructures.

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402. Thickness of coamings

The thickness of ventilator coamings is to be in accordance with the discretion of the Society.


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Table 18.1 Height of ventilator coamings (mm)



Position

Ã

à 30 m

à 30 m

I

900

760

II

760

450