Page 47 - Ship Construction.DJ Eyres 6Ed

Ch04-H8070.fm Page 36 Wednesday, October 18, 2006 6:52 AM
36 Ship Construction
Rules and Regulations

The classification societies each publish rules and regulations which are
principally concerned with the strength and structural integrity of the ship,
the provision of adequate equipment, and the reliability of the machinery.
Ships may be built in any country to a particular classification society’s rules
and they are not restricted to classification by the relevant society of the
--- ใช้เพื่อการศึกษาเท่านั้น---
country where they are built.
In recent years, under the auspices of IACS, member societies have been
engaged in the development of common structural rules for ships. The first
งานห้องสมุด ศูนย์ฝกพาณิชย์นาวี
two of these common structural rules, for bulk carriers of 90 metres or
more in length and for oil tankers of 150 metres or more in length came
into force on 1 April 2006. These common rules will be incorporated into
each member societies rule book.
These and other common rules to be developed by IAC members antici-
pate the nature of future standards to be made under the International
Maritime Organisation’s proposed Goal Based New Ship Construction
Standards (See Chapter 29).

ึ
Lloyds Register

Only the requirements of Lloyds Register, which is the oldest of the classifi-
cation societies are dealt with in detail in this chapter. The requirements of
other classification societies that are members of IACS are not greatly
different.
Founded in 1760 and reconstituted in 1834, Lloyds Register was amal-
gamated with the British Corporation, the only other British classification
society in existence at that time, in 1949. Ships built in accordance with
Lloyds Register rules or equivalent standards, are assigned a class in the
Register Book, and continue to be classed so long as they are maintained in
accordance with the Rules.

Lloyds Register Classification Symbols
All ships classed by Lloyds Register are assigned one or more character
symbols. The majority of ships are assigned the characters 100A1 or
100A1.
The character figure 100 is assigned to all ships considered suitable for
sea-going service. The character letter A is assigned to all ships which are
built in accordance with or accepted into class as complying with the Society’s
Rules and regulations. The character figure 1 is assigned to ships carrying
on board anchor and/or mooring equipment complying with the Society’s