ABS Class Notations Table - Towmasters: the Master of Towing ...

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ÅABS Notations and Symbols – 3 November 2003 (Updated on 25 January 2007) Common Notations and Symbols NOTATION À DPS-3 DESCRIPTION The Dynamic Positioning System notation DPS-3 indicates that a self-propelled (or non-selfpropelled) vessel is fitted with a system of thrusters, positioning instruments and control systems capable of automatically maintaining the position and heading at sea without external aid within a specified operating envelope under specified maximum environmental conditions during and following any single fault including a loss of a compartment due to fire flood; and that the systems are in accordance with the applicable requirements of Part 4, Chapter 3 of the ABS Rules for Building and Classing Steel Vessels. The assigned numeral “3” indicates the degree of redundancy. The Maltese Cross À symbol signifies that compliance with these Rules was verified by the Bureau during construction of the vessel. This includes survey of the machinery at the manufacturer’s plant (where required), during installation on board the vessel; and during trials. REFERENCES 4-3-5/1.3.3 and 4-3-5/15.1.1 of the Rules for Building and Classing Steel Vessels Steel Vessels Under 90 Meters (295 Feet) in Length, Mobile Offshore Drilling Units, Steel Vessels for Service on Rivers and Intracoastal Waterways, Aluminum Vessels, and Motor Pleasure Yachts will also be eligible for this notation provided the systems and the equipment are in full compliance with the applicable requirements 4-3-5/1.3.1 of the ABS Rules for Building and Classing Steel Vessels REMARKS Class Notation See also À DPS-0, À DPS-1 and À DPS-2 Example – À A1, Á, À AMS, À ACCU, À DPS-3…
ÅABS Notations and Symbols – 3 November 2003 (Updated on 25 January 2007) Common Notations and Symbols NOTATION ES ES2020 DESCRIPTION Environmental Safety (ES) – This notation is assigned to a vessel complying with the requirements specified in the ABS Guide for the Class Notation Environmental Safety (ES). Vessels in full compliance with the subject requirements are assigned the ES notation in recognition of environmental considerations incorporated into the design and operation of the vessel. ES2020 – This notation will be assigned for a refrigeration system where the use of refrigerant gases exceeds GWP of 2000, provided all other conditions as required in the ABS Guide for the Class Notation Environmental Safety (ES) for ES notation are met. This signifies the owner’s commitment to replace the existing refrigerant with one having GWP less than 2000, by the year 2020. REFERENCES 1.1 and 1.3 of the Guide for the Class Notation Environmental Safety (ES) 15.5.2 of the Guide for the Class Notation Environmental Safety (ES) – Notice No 1 – April 2003 This notation will be applicable all types of vessels, Mobile Offshore Drilling Units and offshore installations REMARKS ABS Optional Notations ES or ES2020 will be published in the category of “Additional Notations” in the Record.
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ABS Class Notations Table - Towmasters: the Master of Towing ...

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