The Pocket Book of Anchoring (eBook)

Published Date

July 2009


Also available in other formats:

The Pocket Book of Anchoring (eBook)

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A practical and informative guide to modern anchoring equipment, seamanship practices and their associated problems.

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This comprehensive guide to the principles and practices of anchoring covers all aspects of modern anchoring, looking at anchor types and design, the chain (including chain damage and loss), the effects of wind, and anchor operation. It also outlines common problems encountered when anchoring and their solutions, and assist the user in choosing the correct anchor, and anchoring operation, for every situation.

Anchor Types

Testing the Anchors

Anchor Design

Anchor and Chain Damage and Loss

The Holding Power of Anchors

The Chain

Shackles and Joining Gear

The Windlass

The Wind and Current Effect

Wind/Current Forces and Holding Powers

Anchorages

Manoeuvrability

Anchorage Types

Positioning

Responsibilities in Anchorages

Approach to the Anchorage

Choosing the Anchor Position

Methods of Anchoring and Mooring

Anchoring to a Single Anchor

Which Anchor?

Using Both Anchors

After Anchoring

The Anchor watch

Mooring

Standing Moor

Running Moor

Berthing Using Anchors

Manoeuvring with Anchors

Large Vessels

Hanging off an Anchor

When the Anchor Drags

Ground Tackle Maintenance

Anchor Markings

Heaving Anchor

Conclusion

Anchoring Terms

References

It is important to remember the wide scope of ships that sail the ocean today when considering anchors and anchor work. The anchors of the past, with their cables, windlasses and auxiliary equipment, were designed for ships to a limited tonnage and, within certain specifications regarding weather and bottom conditions, they were generally adequate. Today’s ships are considerably larger and, although the weights and sizes of the ground equipment have not been scaled to match, we still seem to expect the same performance from our anchor equipment. As this is not possible on very large vessels we must change our ideas and expectations of our anchors and adjust our seamanship methods to cope. Always remember that an anchor is designed for one purpose, to temporarily hold the ship in position while waiting for a berth or pilot. Everything else it may do is a bonus.

 

It cannot be long before more staff in port environmental positions begin to realise the extent of the problems with anchors on large ships and introduce regulations regarding the size of ships that can use certain anchorages, forcing larger ships out into deeper water and away from the coastlines. The problem with this happening lies in the holding power of the anchors and the capability of windlasses. Few ships carry sufficient cable to anchor securely and safely in deep water and many ships do not have windlasses with the power to lift the anchor from such depths.

WPGL titles are developed using scripts developed by technical experts that are peer reviewed within work groups. Typically, they seek to improve understanding of the regulations, recommendations and guidelines issued by Industry.

WPGL staff have significant expertise in the fields of navigation and hazardous cargoes as well as in the presentation of complex subjects in a graphic and easy to understand manner.

Title: The Pocket Book of Anchoring (eBook)
Number of Pages: 86
Product Code: WS1018EA
ISBN: ISBN 13: 978-1-905331-45-1 (9781905331451), ISBN 10: 1-905331-45-2 (1905331452)
Published Date: July 2009
Author: Witherby Publishing Group

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To access the eBook, you need to install our free Windows eBook Reader.

The application can be downloaded from:

www.seamanship.eu/download/freedownload.aspx?file=viewer.

 

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However it is not supported on Linux, Android, Windows RT and iPad devices and therefore the Cloud eBooks use an HTML site in these instances.

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Alternatively, the HTML version of the Cloud (online) eBooks is accessible.

 

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