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Tug Use In Port Third Edition

Capt Henk Hensen

Price: £40.00 Hardback ITS Club discount available of 10%

OUT OF STOCK - new stock due end of April 2020. This book is specifically written with the needs of maritime professionals involved in the day-to-day practice and training of ship handling with tugs in mind, particularly pilots, tug masters and training instructors. It should also be of value to towing companies, shipmasters and mates of seagoing vessels and all other persons or organisations involved, one way or another, with tugs and ship handling.

Some significant changes have been made in this third edition, including:
- The inclusion of several new tug designs, as well as terminal tugs, environmentally friendly tugs, Japanese style tugs, and tugs that operate in icy conditions.
- Tug assistance in ports, and ice-covered fairways, is further addressed, as is tug assistance in locks. Bow-to-bow operations are discussed in more detail.
- Stability has been further explained, along with recommendations for tug masters with respect to stability.
- Environmental limits for tug operations are discussed, based on the results of the SafeTug JIP (Joint Industry Project), and attention is paid to operating in fog conditions.
- The impact of crew reduction, another important item, is addressed.
- Information on towing winches, towing hooks, towlines, towline friction and SWLs of ship's deck equipment has all been updated, and the need to use proper heaving lines addressed.
- New aspects of training are included - such as training for LNG tugs, LNG locations, ice and wave conditions - as well as new developments in training tools, eg specific tug simulators, scaled down and miniature tugs.
- New technical developments, such as virtual and augmented reality, are discussed - along with use of simulators for human factor studies.
- The escort chapter has been thoroughly reviewed, including the reasons for escorting and an update on various escort regulations.
- The topic of autonomous ships is discussed, including the possible effects on tugs and tug operations.
- The important issues of risk assessment and safety management systems are newly included in this edition, along with commentary on the effects of the US Subchapter M.

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Bow Tug Operations

Capt Henk Hensen

Price: £25.00 ITS Club discount available of 5%

The third edition of Capt Henk Hensen's monograph has been updated to include several crucial aspects that play an important role in bow-to-bow operations , such as skeg and stern design. In addition, the author has included suggestions for test trials on a tug's suitability for bow-to-bow operations, with images explaining the trials discussed - all focusing on the safety of tugs, tug crews and attended ships. Informatively illustrated in full colour, Bow Tug Operations is aimed at helping tug captains, ships' masters, pilots, tug operators, marine administrators and fleet managers to identify the potential dangers and ways to avoid them.

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Tug Stability A Practical Guide to Safe Operations

Capt Henk Hensen and Dr Markus van der Laan

Price: £25.00 Hardback ITS Club discount available of 10%

Numerous harbour tugs have capsized, often with tragic consequences: during the five-year period 2010-2015, more than 45 people are known to have drowned in capsizing incidents.
Stability is a complex subject and mainly a specialism of naval architects. Tug masters seldom have this detailed knowledge - yet they experience the effects of a tug's stability every day when manoeuvring their tug, either free sailing or when assisting ships.

Tugs will often be working with towline forces, hydrodynamic forces, steering and propulsion forces at or near their maximum with respect to the vessel's stability. It is, therefore, not just desirable but necessary for tug masters to have at least a basic idea of the elements of stability. They need to know where the limits are, and what the consequences could be, if tug handling practices don't conform to the rules of stability in normal circumstances and also when extreme conditions such as dense fog and storms occur.

Furthermore, a tug's stability is not a static condition but can change with every moment. Alterations in the amount of bunkers or stores, water on deck, slack tanks and ice accretion, all complicate the stability situation. These various factors could combine to affect stability in a negative way and may even culminate in a very dangerous situation for the tug.

In writing this handbook, master mariner and pilot Captain Henk Hensen and naval architect Dr Markus van der Laan have focussed on the practical aspects of stability, tug design and equipment and also on the consequences of unsafe procedures. Their emphasis is on harbour tugs, although several of the topics covered apply equally to seagoing tugs.

REVIEWS

A practical, readable, expert handbook, Tug Stability - a Practical Guide to safe Operations is essential reading for all tug masters, who experience the effects of their vessel's stability every day, whether free sailing or assisting ships.
MarEx Review - 17 June 2016

"This tug stability book will greatly contribute towards safer towage operations by enhancing the working knowledge of tug masters. It is an important publication for all tug masters and towage managers, no matter what facet of the towage industry they are engaged in."
Arie Nygh, ITA Patron; Managing Director, SeaWays Consultants

".....it appears that you have once again done the industry a great service by compiling such a useful document for vessel operators. We have multiple copies in our office and will ensure that our designers also read it and understand thoroughly so that we can do our best as designers to achieve our mutual long term goal of much safer tugs!"
Robert Allan, Executive Chairman of the Board, Robert Allan Ltd.

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Anchor Handling Tug Operations A practical guide to the operation of modern anchor handling tugs engaged in anchor handling and towing operations

Ian Clark and Michael Hancox

Price: £25.00

SPECIAL OFFER - Normal retail price £50. Order your copy now at the reduced price online, or contact jane@tugandosv.com for multiple copy orders.

From the publishers of International Tug & OSV, which gives a clear insight into the safe operation of Anchor Handling Tug Supply Vessels. It is aimed at the Masters and Officers who operate these vessels and at Towmasters, Rig Movers, Barge Masters, Tower Foremen and shore based personnel who utilise these vessels in their anchor handling and towing roles.

It endeavours to show in practical and simple terms the theoretical knowledge, methods and techniques that can be used to avoid placing these vessels at unnecessary risk when carrying out what, at first sight, appear to be 'normal' operations.
Two recent examples of accidents, resulting in the total loss of AHTS class vessels and members of their crews, are used to illustrate what can happen and why: Stevns Power and Bourbon Dolphin.

Consideration is also given to the fact that AHTS vessels are a design compromise and that it is this which may lead to over confidence in the ability of a particular vessel to carry out a given towing or anchor-handling operation. Training is also scrutinised: as the older generation of offshore support vessels is replaced by new tonnage and older officers and offshore personnel retire, the experience, hard lessons and skills gained by this older generation have not been fully transferred.

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Best Endeavours Inside the World of Marine Salvage

Tony Reading

Price: £27.50 Hardback ITS Club discount available of 10%

Marine salvage has a long history. It extends back to the classical world, when divers of Ancient Greece were rewarded with a share of cargoes recovered from wrecks. Today, the fundamentals of marine salvage are unchanged. The salvor is rewarded in realtion to the value of property recovered. In the 21st century, however, salvage has a new focus: pollution prevention.

Best Endeavours, published in the 50th Anniversary year of the International Salvage Union, offers a unique insight into the challenging and often dangerous business of salvage. This book has accounts of over 100 salvage operations. It includes vivid narrative from the Salvage Masters in the front line. There are the battles to perform salvage on ships hit by missiles during the 1980's "Supertanker War" involving Iran and Iraq, desperate struggles to save ships thought to be beyond saving and cases involving work at remote locations and extreme conditions.

This book is not a salvage textbook, but instead explores the human qualities which make salvage possible, even when the odds are heavily stacked against success. The text is supported by over 150 stunning photographs conveying the drama and hazards of working at the edge of the possible. This book paints a picture of the demanding nature of the task faced by those dealing with the aftermath of marine collisions, groundings, fires, explosions and spills.

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