OCIMF_Mooring_Equipment_Guidelines_(Second_Edition)

SHIP-TO-SHIP TRANSFER
OPERA TlONS (STS)

SINGLE POINT MOORING
(SPM)

SMIT BRACKET

SPRING LINES

STERN LINES

STOPPER

STS

SUMMER DEADWElGHT

SUMMER MARKS

TAIL

VERY LARGE CRUDE

CARRIER (VLCC)

UL TRA LARGE CRUDE

CARRIER (ULCC)

UNIVERSAL FAIRLEAD

Transfer of crude oil or petroleum product between two ocean-going

ships made fast alongside al anchor or underway. Thc transfer of

pe[roleum 10 barges and estuarial craft is specifically excluded.

A facility whereby [he tanker is secured by the bow to a single

buoy or structure and is free to swing with the prevailing wind and

current.

A filling for securing the end link of a chafing chain, consisting of

twO parallel vcrtical plates mounted on a base with a sliding bolt

passing through the plates.

Mooring lines leading in a nearly fore and aft direction. the purpose

of which are to prevent longitudinal movement (surge) of the ship

while in berth. Headsprings prevent forward motion and backsprings

aft motion.

Mooring lines leading ashore from the after end or poop of a ship,

often at an angle of about 45 degrees to the fore and aft line.

A device for securing a mooring line temporarily at the ship whils[

Ihe free end is made fast [0 a ship's bitt. A Carpenter's stopper is a

device with opening jaws to receive wire and shaped wedges 10 hold

line when tension is applied.

See SHIP-TO-SHIP TRANSFER OPERATIONS (STS) abovc.

The deadweigh! of a ship when loaded to summer marks.

The summer loadline mark and centre of PlimsoH disc on the ship's

side.

Metric ton(s) or tonne(s); unit of mass, but of[cn also used for

forces (sometimes expressed as 'If); ltf = 9.8IkN.

A short length of synthetic rope attached to the end of a wire

mooring line 10 provide increased elasticity and also ease of handling.

For purposes of these guidelines, used to describe ships with dead·

weight between 140,000 tonnes and 400,000 lonnes.

10 these guidelines. used for ships with a dead weight greater than

400,000 tonnes.

A fairlead with three or more cylindrical rollers.

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