Section 6 Shell envelope framing

6.1.1 The requirements of Pt 4, Ch 1, 6 Shell envelope framing of the Rules for Ships are to be applied, together with the requirements of this Chapter.

6.1.2 Longitudinal framing is to be adopted at the bottom shell. Longitudinal or transverse framing may be adopted at the side shell except in way of the upper part where longitudinal framing is to be adopted.

6.1.3 The maximum wave head, (C _wL) as per Table 1.6.1 Shell framing (longitudinal) and Table 1.6.3 Shell framing (transverse) of the Rules for Ships is 0,5 C _w.

6.1.4 The minimum thickness of longitudinal and transverse members is to be 9,5 mm.

6.1.5 It is recommended that the side shell framing, together with the side transverses and stringers be increased in scantlings, or locally reinforced, at the forward and aft shoulders of the ship to accommodate contact with Seaway Locks and to resist ice damage.

6.2.1 The scantlings of the bottom and side shell longitudinals in the midship region are to comply with the requirements given in Table 1.6.1 Shell framing (longitudinal) of the Rules and Regulations for the Classification of Ships, July 2022 using C_wL as per Ch 4, 6.1 General 6.1.3 .

6.2.2 Bottom longitudinals are to be generally continuous, in way of watertight and non-watertight floors, throughout the cargo hold region.

6.3.1 The scantlings of main and 'tween deck frames in the midship region are to comply with the requirements given in Table 1.6.3 Shell framing (transverse) of the the Rules and Regulations for the Classification of Ships, July 2022 using C_wL as per Ch 4, 6.1 General 6.1.3.