Page 25 - Ship Construction.DJ Eyres 6Ed

Ch02-H8070.fm Page 14 Wednesday, October 18, 2006 6:51 AM
14 Ship Construction
Panamax As for oil tankers
Handysize/Handymax Ships between say 10,000 to 40,000 tonnes dead-
weight have formed the majority of the fleet for many years and are desig-
nated ‘handysize’. In recent years the size of these ships has been
increasing and the term ‘handymax’ has been applied to designate the
larger bulk carriers. The term ‘handymax’ has no specific upper limit.

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CONTAINER SHIPS
Post-panamax Ships that are too large to transit the Panama Canal and
undertake trans-ocean voyages. Size is typically 5500 TEU to 8000 TEU
งานห้องสมุด ศูนย์ฝกพาณิชย์นาวี
and increasing.
Panamax Ships that can transit the Panama Canal, say between 3,000 to
4,500 TEU.
Feeder Smaller ships that do not undertake oceanic voyages but are
generally engaged in shipping containers. The smaller of these may only
carry several hundred TEU. There is no specific sub-class below Pan-
amax size.

IMO OIL TANKER CATEGORIES
Category 1 (commonly known as Pre – MARPOL tankers) – Oil tankers
ึ
of 20,000 tonnes deadweight and above carrying crude oil, fuel oil, heavy
diesel oil or lubricating oil as cargo, and of 30,000 tonnes deadweight and
above carrying other oils, which do not comply with the requirements for
protectively located segregated ballast tanks.
Category 2 (commonly known as MARPOL tankers) – Oil tankers of
20,000 tonnes deadweight and above carrying crude oil, fuel oil or lubri-
cating oil as cargo, and of 30,000 tonnes deadweight and above carrying
other oils, which do comply with the protectively located segregated
ballast tank requirements.
Category 3 – oil tankers of 5,000 tonnes deadweight and above but less
than the tonnes deadweight specified for Categories 1 and 2.

Note! For tankers carrying HGO (heavy gas oil) the lower limits for Cate-
gories 2 and 3 falls to 600 tonnes deadweight

Some Useful Web Sites

www.pancanal.com/eng/general For details of Panama Canal