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DEF STAN 02-163

Revision I2, March 19, 2010

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Classification for Weight Groups for Surface Ships

Includes all amendments and changes through Change/Amendment , March 19, 2010

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Description / Abstract:

This Defence Standard lays down a system for the classification of component weights of a ship for the purpose of weight monitoring, recording and estimating, and for costing.

The system defined in this Defence Standard is to be applied to naval and other military surface ships and craft, but not submarines.

DES SE Sea ShipDes is to be consulted in the event that difficulty is found in applying the weight breakdown (particularly to multihulls or to unconventional craft e.g. SWATH or ACV).

This Defence Standard is designed to enable backward compatibility with weight breakdowns based on previous versions of this standard. This means some weight groups will contain items that are not part of modern warships, but may have been used for warships in the past, e.g. periscopes which have been used between the Ops room and the Bridge on some ships.

Previous versions of this Defence Standard utilised Group 9 to identify the costs associated with "Design and Construction Services". To separate this group from the other weight groups the breakdown has been moved to Annex B.

It should be noted that the use of this Defence Standard for costing purposes is two fold: it is related to the convenience of using its hierarchical classification system of ship components to account for the cost of a ship, and it also enables ships to be "costed by weight group" using historical parametric rates.