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This report provides information and guidance to designers, shipbuilders and ship operators on the proper procedures for boiler preservation and care, from component manufacture till ship commissioning. The guidelines cover types of preservation and application, inspection procedures, lay-up procedures, and removal of preservation. The time prior to vessel delivery is unique in the lifetime of the boiler. By use of the proper boiler protection procedures, it can be assured that the boilers will begin their ultimate use in optimum condition.

 

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This publication is intended to provide a useful guide to world-wide material specifications for seawater systems. United States specifications (ASTM, ACI, CDA, MIL, FED, UNS*), where assigned, are given for selected cast and wrought alloys, together with the corresponding equivalent, or near equivalent,   specifications of Germany (DIN), United Kingdom (BS), Japan ()IS), France (AFNOR), Italy (UNI), and Korea (KS). The following tables containing equivalent or near equivalent specifications are divided into two major categories: cast alloys and wrought alloys. Within these two categories, various irons, steels, stainless steels, and copper and nickel base alloys are considered, as appropriate. A listing of the specification writing organizations referred to in this guide is given in Table 1.

*A UNS number is not in itself a specification; it is a unified identification system of metals and alloys for which controlling limits have been established in specifications published elsewhere. 

 

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SNAME’s Technical and Research Bulletin No. 3-14 "Boiler Furnace Performance Criteria" was first published in 1963, and has been useful in determining furnace loading of various designs of oil-fired boilers. This Bulletin 3-32 supersedes 3-14 by expanding the considerations to gas and coal firing. This report is advisory only and there is no implication of endorsement by the Society as a whole for the methodology contained herein.

 

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The M-17 Panel "Disposal of Shipboard Wastes" was formed to invest­igate the adequacy of American Flag vessels to properly dispose of shipboard wastes and to divulge recommendations for meeting this need. The first meeting of the Panel was on September 14, 1960, the Panel considered the following shipboard wastes:

1. Oils and greases

2. Garbage and trash

3. Wastes of human origin

The following suggestions, based upon the findings of the Panel, are offered for consideration by marine design, construction, and operating personnel. Some of the points are well known and already incorporated in some vessels, but are mentioned here to provide a checklist of features to be included, The Panel recommends that specific design criteria be developed in conjunction with recognized authorities in each of the fields covered. The Guide is divided into three major sections dealing with the three classes of wastes considered.

 

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This Bulletin was compiled to identify a variety of technical, economic, and environmental factors that should be considered by a ship operator, design agent, or other organization in the marine industry in making an analysis of using coal as a fuel for merchant ships. The technology of burning coal is well established but these various factors have many aspects that need to be resolved and evaluated. Briefly discussed are ecological aspects, governmental and public attitudes; the characteristics of various types of coal which relate to its use in ships; considerations regarding various types of equipment for putting coal aboard and removal of ash from ships; the influence that the unique requirements and constraints of coal use have on the design of a ship, its. boiler and auxiliary machinery; and aspects of ship operation that apply to coal-burning vessels.

 

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After discussing noise criteria, an outline of a shipboard noise control plan is given to assist the designer in formulating approaches to meet the criteria. Guidelines on acoustical design practices are then given.  A majority of the guide deals with noise prediction procedures using a source - path ­receiver approach. Information on noise control treatments is given.
 
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A large number of ships powered by gas turbines and medium and slow speed diesel recover waste beat from exhaust gases and utilize the heat for power generation and miscellaneous ship’s service steam. On tankers, this waste recovery steam system is also used to heat hot water for tank cleaning and to provide for cargo heating. This system is often used in conjunction with oil-fired auxiliary boilers to provide steam for driving the cargo pumps. This bulletin describes some of the options available to the shipowner with respect to waste heat boiler types and system considerations.

 

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T&R Bulletin 3-39 (2018) supersedes the existing T&R Bulletin 3-39 (1985).

This guide presents information for a shop and installation test of each type of equipment and system normally found on commercial ships. This Guide does not cover sea trial tests, which are covered in the current version of SNAME T&R Bulletin 3-47 (2015) Guide for Sea Trials (Progressive Speed, Maneuvering, and Endurance). References are made to applicable international standards.

 

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Modern merchant ships have been distinguished by an increase in the features of automation which can reduce the level of manning. This trend towards increased control complexity and reduced shipboard personnel does demand a high degree of reliability in propulsion system controls, steering controls, and vital auxiliary shipboard systems. To assure the required reliability, the maintenance and testing of the machinery, electrical equipment, and controls has to be managed on a continuous, active basis.

 

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T&R Bulletin 3-41 (1988) supersedes the existing T&R Bulletin 3-23 (1970).

The guide addresses the centralized control and automation of steam turbine propulsion plants. Included in the guide are discussions of: machinery operating stations; centralized operating requirements and equipment; and steam generating, propulsion, electrical, and auxiliary machinery control systems. The guide also addresses the control requirements of alternate fuels, combined firing, the application of advanced display and data transmission technologies, and regulatory requirements.

 

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