ReportsThe reports and publications below can either be ordered from us directly or from Fritzes/Allmänna förlaget.
COASTAL AND SHORT SEA SHIPPING.
Order no 107
Author: Anders Sjöbris Shipping has to a large extent been forced out of the market by land
transports as regards domestic transports of unitized and general cargo.
The aim of the project has been to investigate whether it is possible to
create a transport system based on shipping as main transport mode that
can compete with land transports. In this work a complete door-to-door
transport system has been designed for coastal and shortsea traffic. An
essential part of the system is creating a truck- or trainborne distribution
system and a completely mechanized port terminal. A ship has been designed
for the system, manned by a minimum crew and handling all units in a fully
automatic manner from their positions onboard the vessel to the terminal
and vice versa. The design work shows that the system is fully feasible
with today's techniques. A cost analysis shows that the competitiveness
versus land transports is considerably strengthened, mainly due to substantially
reduced handling costs. The main conclusion is that shipping constitutes
a non-utilized transport resource for this type of goods, and infrastructural
costs are extremely low.
Price: SEK 450
A FIRE SAFETY SURVEY OF PASSENGER VESSELS' ACCOMMODATIONS Order no 108
Authors: Peter Andersson, Harry Robertsson, Johan Wikman A fire in a ship's accommodation may have serious results for passengers and crew. Even a limited fire often leads to severe material damage. It is therefore important to investigate the origins of fire and how materials used affect the fire process. The aim of the project presented in this report has been to take an inventory of materials used today in passenger vessels' accommodations in order to provide a basis for continued work on fire safety onboard. The report describes different causes of fire, compares fire properties of different materials, presents principles of internal fire protection and discusses factors affecting the choice of materials. It concludes with an assessment of the materials properties needed to be known in order to provide a better analysis of fire risks and processes. Price: SEK 300 (+postage & packing)
Prestudy: PERFORMANCE BASED FIRE SAFETY REGULATIONS
FOR SHIPS
Order no 110
Authors: Johan Wikman, Peter Andersson, Sven Erik Magnusson ISBN: 91-972346-0-5 The International Maritime Organisation (IMO) has decided to make a comprehensive review of the present Chapter II-2 "Construction -fire protection, fire detection and fire extinction" of the SOLAS convention. This is done as a consequence of the fact that the chapter does not in a simple and rational way include all of the following items: - determination of the level of safety and thereby obtaining a
uniform level between different ships,
When making the review it is possible to base the new chapter on either Prescriptive Regulations or Performance Based Regulations. The report describes the different approaches and their advantages and disadvantages, and a survey of research under progress in the area both on ships and buildings is presented. It concludes with a description of a possible design of a new chapter II-2 based on performance requirements, and a procedure of introduction. Price: SEK 250
COASTAL AND SHORT SEA SHIPPING,
Order no 111
Author: Anders Sjöbris Previous studies have shown a potential of utilising the sea transportation
as a complement to land transports. In order to realise this the sea transportation
concept should be developed to suit an extended variety of cargo categories.
Price: SEK 250
ENERGY AND EMISSION FACTORS FOR SHIPS IN OPERATION Order no 113
Author: Eje Flodström Waterborne transport is generally considered to be the most energy efficient mode of transportation to a large extent due to the ability to move large quantities. Energy efficiency is a primary function in the development of an environmentally friendly and sustainable transportation system. Emissions and energy consumption for waterborne transportation is a fairly new research area. A number of efforts have been done to establish representative emission- and energy factors for waterborne transport. Even though widely quoted, the models used have some weaknesses especially from the point of view of securing the data. This research project is aimed at providing statistical data on the operation of ships aimed at the calculation of energy consumption and emissions. The information was collected through a questionnaire sent out to ship operators and owners. Additional information was collected from ships registers. The resulting database was analysed and compared with previously used models for the calculation of energy consumption and emission for each ship. The results generally confirm that previously used models give a fair figure of the environmental characteristics of ships. However, the response of the questionnaire was unexpectedly low why the volume of the database in relation to the number of types of vessels must be considered as poor. Price: SEK 200
FUTURE SHORT SEA CARGO FERRY SYSTEMS Order no 112
Authors: Anders Sjöbris, Johan Näreskog, Torbjörn Rydbergh The development of high speed vessels in sea transportation is the background for this report. The consequences of high speed vessels are discussed regarding the gain in logistics, freight costs and environmental aspects.Increased cargo flows in Europe is focusing the discussion on sea transportation as a major mean to solve the problem of congested roads and railways. It is well known that sea transportation is cost efficient.This report is aimed to answer the question if high frequency ferry operation, including high speed vessels, can solve the problem of service level and transport time consumption in a competitive way and with reasonable environmental impacts. The project is concentrated on showing the costs and environmental effects of high speed RoRo cargo vessels in ferry service operation.The method used to analyse the costs and performance for RoRo cargo ships in ferry operation have been done from a comparison of different ship designs used on five routes with crossing distances from 64 to 536 NM. On each route three to five different ship designs in speeds between 10 to 35 knots all with the same annual transport capacity have been designed with a parametric design tool. The different designs have been used for an environmental and economic evaluation including variations of different costs using scenarios with costs from the half of today to the double.For shorter sea transport systems and in a competition with other shipping systems, it is cost efficient to shorten transit times using a high service level and high speed. However speeds over 30 knots are not used by any of the most cost efficient designs in this study. It is important to combine frequency and speed to perform a competitive sea transport with short total transit times. The short time between departures for a ferry service is of the same importance as high speed. Price: SEK 400
ENVIRONMENTAL ASSESSMENT OF FREIGHT TRANSPORTATION Order no 114
Author: Eje Flodström Strategic Environmental Assessments is needed in the future for the
determination of effects of both the development of transport flows and
technical developments of the transport modes. The politicians are also
interested in simulations and calculations of environmental effects from
shifting of cargo between transport modes.
Price: SEK 400
EXHAUST GAS EMISSIONS FROM SEA TRANSPORTATION Order no 106
Authors: Anders Alexandersson, Eje Flodström, Rolf Öberg, Peter Stålberg An extensive Swedish research project initiated and funded by the Swedish Transport Research Board and other national shipping and environmental authorities and organisations, has investigated the environmental impact of exhaust gas emissions from sea transportation.The report identifies the sources and types of exhaust gas emissions from shipping and describes factors influencing the specific emission levels. Emissions from different categories of sea transportation are related to emissions from other sources and the distribution of different types of emissions at sea and in ports is investigated.A detailed and extensive survey of existing exhaust cleaning techniques for different types of emissions is presented, with examples of possible marine applications. The consequences of such applications and the costs involved are also analysed. Chapter headings:
CARRIAGE OF BULK GRAIN IN RESTRICTED WATERS
Order no 105
The report discusses rules for transport of grain in bulk. Existing
international rules, which chiefly also apply for transports in the Baltic
area, have primarily been worked out according to proposals from the big
grain exporting countries, USA, Canada and Australia. As basic material
when setting up the rules, large bulk ships in ocean-going traffic have
been used.Based on: - More liberal, national rules for grain transports
in restricted areas along the US/Canadian coasts, - the expected, smaller
shift angle in restricted waters in relations to that of the oceans, -
the relatively few incidents and accidents recorded with grain carrying
ships in restricted waters.More liberal rules than the international ones
have been proposed for transport of bulk grain in the Baltic area, including
the Skagerrak.These rules mean that a free grain surface is assumed to
shift maximum 12 degrees in the Baltic, instead of 15/25 degrees according
to the international rules. However, the international stability requirements
after a grain shift, are proposed to remain unchanged.Criteria for grain
securing arrangements have also been dealt with.
Price: SEK 350
OPTIMUM SAFETY FACTORS FOR SECURING OF CARGO ON BOARD SHIPS Order no 104
This report presents an analysis of requirements and standards for securing equipment aboard ships and the level of the safety factor. Comparable rules and regulations are presented.These are: - Securing of containers according to classification societies. - Standards for lifting equipment.To determine the level of the safety factor for securing equipment, a method has been developed. According to this, the following are evaluated: - Acceleration affecting the cargo - Lashing force - The capacity of the lashingsThe acceleration has a probability level corresponding to the maximum value in 20 years of what will effect the cargo. The lashing force is determined by means of a calculation model using statistical input values.The capacity of the lashings has been determined by testing, also taking into account the time factor for the equipment in use.The result is presented with suitable test methods and safety factors for different types of lashing equipment. Price: SEK 350
ROAD TRAILER SUITABLE FOR SEA TRANSPORTATION Order no 103
When the winter storms begin in the North Sea, cargo and trailers on board trailer ships will suffer damage. The reason for this is insufficient securing of trailers to the ship and of the cargo on the trailer. This report analyzes the problems and offers proposals for measures to be taken for the safe securing of trailers. It also proposes how to minimize the cost of handling damage on trailers.The report contains a thorough investigation of international and national rules and regulations, affecting the design and the use of road trailers, and can, in this context, be used as reference literature.An important part of the result is a proposal for standardiza-tion of lashing points in trailers and on ships.The report contains the following main items: - The framework of regulations - Survey of products - Survey of damage and accidents - Specification of requirements - Suggested designs Price:SEK 350
SECURING OF ROAD TRAILERS ON BOARD RO/RO SHIPS Order no 102
A road trailer stowed on a Ro/Ro ship is difficult to describe in mathematical formulas. This report contains a complete description of a computer-based model with approximately 40 parameters, including ship, trailer and lashing parameters. The report also contains a large number of results from use of the model, as well as conclusions and recommendations for the establishment of international rules for lashing. The report has been supplied to IMO by the Swedish authorities. Price: SEK 300
SAFE STOWAGE AND SECURING OF CARGO ON BOARD SHIPS Order no 101
Shifting of cargo on board a ship can cause damage to the cargo and risk the safety of the ship. Due to some severe accidents in 1980 a study was undertaken, the purpose of which was to propose common rules for calculation of forces acting on the cargo, and also to propose how to establish a ship's manual for securing of the cargo. Swedish authorities have supplied IMO with the report as part of the Swedish work contribution to this field. The report comprises the following main items: - Surveys and stated conclusions of some accidents due to the shifting of cargo. - Mapping of rules and recommendations concerning the securing of cargo on board ships. - Calculations of accelerations compared for different classification societies. - Full-scale measurements of ship movements. - Analysis of material properties in different types of securing equipment. - Conclusion regarding occurring loads and required safety factor. - Survey of lashing forces for some types of goods. - Securing of road trailers on board Ro/Ro ships. This report that was published in 1982 as the first within this area is still a valuable source for those who wish to achieve a basic knowledge regarding stowage and securing of cargo onboard ships. Price: SEK 400 |
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