Common Structural Rules - Common Structural Rules for Bulk Carriers and Oil Tankers, January 2019 - Part 1 General Hull Requirements - Chapter 1 Rule General Principles - Section 1 Application - 3 Class Notations
3 Class Notations
3.1 Class notation CSR
3.1.1 Application
In addition to the class notations granted by the Society and to the service features and additional class notations defined hereafter, ships fully complying with these Rules are assigned the notation CSR.
3.2 Class notation for bulk carriers
3.2.1 Additional service features BC-A, BC-B and BC-C
The following requirements apply to ships, as defined in [1.2.1], having length L of 150 m or above.
Bulk carriers are to be assigned one of the following additional service features:
- a) BC-A: For bulk carriers designed to carry dry bulk cargoes of cargo density 1.0 t/m3 and above with specified holds empty at maximum draught in addition to BC-B conditions.
- b) BC-B: For bulk carriers designed to carry dry bulk cargoes of cargo density of 1.0 t/m3 and above with all cargo holds loaded in addition to BC-C conditions.
- c) BC-C: For bulk carriers designed to carry dry bulk cargoes of cargo density less than 1.0 t/m3.
The following additional service features are to be provided giving further detailed
description of limitations to be observed during operation as a consequence of the
design loading condition applied during the design in the following cases:
- {Maximum cargo density in t/m3} for additional service features BC-A and BC-B if the maximum cargo density is less than 3.0 t/m3, see also Ch 4, Sec 8, [4.1].
- {No MP} for all additional service features when the ship has not been designed for loading and unloading in multiple ports in accordance with the conditions specified in Ch 4, Sec 8, [4.2.2].
- {Holds a, b, … may be empty} for additional service feature BC-A, see also Ch 4, Sec 8, [4.1].
- {Block loading} for additional service feature BC-A, when the ship is intended to operate in alternate block load condition, see also Ch 4, Sec 8, [4.2.3], item d.
3.2.2 Additional class notation GRAB [X]
The additional class notation GRAB [X] is mandatory for ships having one of
the additional service features BCA or BC-B, according to [3.2.1]. For these ships, the
requirements for the GRAB [X] notation given in Pt 2, Ch 1,
Sec 6 are to comply with for an unladen grab weight X taken not less than:
- 35 t for ships with L ≥ 250 m,
- 30 t for ships with 200 m ≤ L < 250 m,
- 20 t otherwise.
For all other ships, the additional class notation GRAB [X] is voluntary.
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