BRITISH STANDARD

BS6349-4:1994

Maritime structures

Part 4: Code of practice for design of fendering and mooring systems

NO COPYING WITHOUT BSI PERMISSION EXCEPT AS PERMITTED BY COPYRIGHT LAW

BS6349-4:1994

Committees responsible for this British Standard

The preparation of this British Standard was entrusted by Technical Committee B/525, Building and civil engineering structures, to Subcommittee B/525/11, Maritime structures, upon which the following bodies were represented:

• Association of Consulting Engineers
• British Steel Industry
• Concrete Society
• Federation of Civil Engineering Contractors
• Health and Safety Executive
• Institution of Civil Engineers
• Institution of Structural Engineers
• Oil Companies International Marine Forum
• Permanent International Association of Navigation Congresses
• TBV Consult (formerly Department of the Environment, Property Services Agency)

This British Standard, having been prepared under the direction of the Technical Sector Board for Building and Civil Engineering, was published under the authority of the Standards Board and comes into effect on 15 October 1994.

cB12-1998

Amendments issued since publication

First published March 1985

Second edition October 1994

Amd. No.	Date	Comments

The following BSI references relate to the work on this standard:

• Committee reference B/525/11
• Draft for comment 92/10817 DC
• ISBN 0580226530

Contents

Page

• Committees responsible - Inside front cover
• Foreword - iv
• Section 1. General
• Scope
• Definitions
• Symbols
• Section 2. Fendering
• General principles
• Provision of fendering
• Principles of berthing
• Overall design
• Materials and workmanship
• Vessel size
• Berthing velocities
• Berthing energies
• Berthing reactions and load distribution
• Factors of safety and design stresses
• Mounting and suspension
• Application of fender layout for berths
• Types of fender
• Fenders using elastomeric units
• Pneumatic and foam-filled fenders
• Flexible dolphins
• Fender piles
• Gravity fenders
• Timber fenders
• Mechanical fenders
• Miscellaneous types
• Advantages and disadvantages of fender types
• Areas of applicability of fender types
• Special considerations in the provision of fendering
• Vessels with bulbous bows
• Belting
• Section 3. Mooring
• Principles of good mooring
• Mooring patterns
• Breast lines
• Spring lines
• Head and stern lines
• Forces acting on the moored ship
• Wind and currents
• Off-quay hydrodynamic force and hydrodynamic interference from passing ships
• Waves
• Tidal rise and fall and change in draught or trim due to cargo operations

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