Ship-to-Ship

The fender selection procedure for ship-to-ship operations is outlined below.

Two ship types, sizes and weather conditions such as Calm, Moderate and Rough are initially confirmed.

OCIMF Table Selection

Equivalent displacement coefficient ; ”C” is calculated, and fenders are selected tentatively by using the table in OCIMF Ship-to-Ship Transfer Guide ; ” OCIMF Table Selection”. In this case, initial internal pressure of the fender shall be 50kPa (Pneumatic 50). The selections are designed based on Calm weather condition, therefore if the weather is confirmed as Calm, the fender system can be simply selected from the tables.

Quick Reference Guide to Fender Selection for STS Operations

 

PETROLEUM, CHEMICALS and LIQUEFIED GASSES
Equivalent Displacement Coefficient (C)Relative VelocityBerthing EnergySuggested Fenders
Tonnesm / sTonnes.mDiameter × Length (m)Quantity
1,0000.302.41.0 × 2.03 or more
3,0000.307.01.5 × 3.0
6,0000.3014.02.5 × 5.5
10,0000.2517.02.5 × 5.5
30,0000.2540.03.3 × 6.54 or more
50,0000.2048.03.3 × 6.5
100,0000.1554.03.3 × 6.5
150,0000.1571.03.3 × 6.55 or more
200,0000.1593.03.3 × 6.5
330,0000.15155.04.5 × 9.04 or more
500,0000.15231.04.5 × 9.0

Model Selection of Pneumatic Fender for Small & Middle Size Ship

Ship Tonnage (T)Recommendation Size D x L ( m)Ship Type
500.5 x1.0Fishing ship
1000.7 x 1.5~1.0 x 1.5Fishing ship
2001.0 x 1.5~1.2 x 2.0Fishing ship, towing ship
300-5001.2 x 2.0~1.5 x 2.5Fishing ship, towing ship
10001.5 x 2.5~1.5 x 3.0Towing ship, cargo ship
30002.0 x 3.0~2.0 x 3.5cargo ship, ocean trawler
100002.0 x 3.5~2.5 x 4.0cargo ship

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