Iranian Classification Society Rules

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Section 5 Transverse Framing System


501. Floors


1. In single bottom structures, the lower parts of hopper holds are to be provided with solid floors at every frame space.


2. The inside of cellular keel is to be provided with transverse ring which have the same scantlings of solid floor at every frame space.


3. The scantlings of large space in double bottom such as proved direct calculation method.


pump room are to be determined by ap-


502. Frames

Where the stringers are supported by transverse ring, the section modulus of frames may be

reduced. However, the scantlings of stringers are to be

method.

determined by approved direct calculation


503. Deck beam

The scantlings of deck beams on deck areas for storage by direct calculation method.


of heavy equipment are to be determined