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Fender System
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Fender System

Fender system Design


Eversafeengineering specializes in the design and installation of fender system forport and oil&gas platform. With support of our parent company Everblue Maritime, we can design most suitable fender systems for clients with customer-builtproducts.


Eversafeengineering is devoted to the research of new fender system according to theever-changing needs of his clients. Coopertating with CNOOC (China Nationaloffshore Oil Corporation) Eversafe engineering developed a innovative fendersystems for oil platforms which prevent platform from shaking and shocking. Thefruit is popularized to most oil platform now in China. To resolve the hull pollutonproblem of Shanghaiport, Eversafe’s solution satisfied the port authority for its validity andsafety.


Flow Chart of Designing Fender


Fendersystems for marine structures are generally designed according to the followingprocedure:

Design Standard

FollowingStandards and report are widely taken as design standard.

TechnicalStandards for port and harbour facilities in China

BritishStandard BS6349


Variousinformations about fender design are given by PIANC Report (Report of theInternational Commission For Improving the Design of fender Systems)

Required information for fender system design

Type ofvessel



Width (m)

Depth (m)

LoadDraft (m)

HullPressure (ton/m2)

BerthingSpeed (m/sec)

BerthingAngle (degree)

BerthingMethod (1/4 point or)

Drawingof the berth

Quick reference

The following graphs  are included to provide a quick reference guide to fenderselection and are only intended to be used to provide an indication ofsuitability. It should be understood that different approach velocities givevery different absorption requirements. The tables must be used with discretionand with knowledge of the actual physical conditional for the fenders intendeduse .The table are not suitable for fender selection for ship to shipoperations.

Meanwhile,fenders also can be selected tentatively by using the table in OCIMFShip-to-Ship Transfer Guide; ”OCIMF Table Selection”

Fender System Installation


Ship-to-Ship application 


Fourlarge-size fenders are usually floated at the water line as primary fenders toabsorb impact energy at berthing and keep proper stand-off distance between twoships. Two small-size fenders(secondary fenders) are hung high on the hull atboth bow and stern of smaller ship to prevent contact from rolling of ships dueto swell and wind. “STS Transfer Guide”, published by the International Chamberof Shipping (OCIMF) , is a good reference for further information.