有机纤维RULES FOR CLASSIFICATION OF Ships
PART 6 CHAPTER 35
NEWBUILDINGS
SPECIAL EQUIPMENT AND SYSTEMS – ADDITIONAL CLASS
Tentative rules for Gas ready ships
JANUARY 2015
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D ET N ORSK
E V ERITAS AS
FOREWORD
DNV is a global provider of knowledge for managing risk. Today, safe and responsible business conduct is both a license to operate and a competitive advantage. Our core competence is to identify, assess, and advise on risk management. From our leading position in certification, classification, verification, and training, we develop and apply standards and best practices. This helps our customers safely and responsibly improve their business performance. DNV is an independent organisation with dedicated risk professionals in more than 100 countries, with the purpose of safeguarding life, property and the environment.
The Rules lay down technical and procedural requirements related to obtaining and retaining a Class Certificate. It is used as a contractual document and includes both requirements and acceptance criteria.
© Det Norske Veritas AS January 2015激光笔
Any comments may be sent by e-mail to rules@dnv
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In this provision “Det Norske Veritas” shall mean the Foundation Det Norske Veritas as well as all its subsidiaries, directors, officers, employees, agents and any other acting on behalf of Det Norske Veritas.
Pt.6 Ch.35 CHANGES – CURRENT – Page 3
CHANGES – CURRENT
General
btkThis is a new document.
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The rules enter into force 1 July 2015.
Det Norske Veritas AS, company registration number 945 748 931, has on 27th November 2013 changed its name to DNV GL AS. For further information, see www.dnvgl. Any reference in this document to “Det Norske Veritas AS” or “DNV” shall therefore also be a reference to “DNV GL AS”.
Pt.6 Ch.35 Contents – Page 4
CONTENTS
CHANGES – CURRENT (3)
Sec. 1General (5)
1Introduction (5)
1.1Objective (5)
1.2Scope (5)
1.3Application (5)
1.4Definitions (5)
2Class notation - Gas ready (5)
3Documentation (6)
3.1Documentation requirements for qualifier D (6)
3.2Documentation requirements for qualifier S (7)
3.3Documentation requirements for additional qualifiers (7)
Sec. 2Ship installations preparing for later liquefied natural gas fuel conversion (8)
1Gas ready with qualifier S included (8)
2Gas ready with qualifier T included (8)
陶瓷基片
3Gas ready with qualifier P included (8)
4Gas ready with qualifiers MEc or AEc included (8)
5Gas ready with qualifiers MEi, AEi or B included (8)
6Gas ready with qualifier Misc included (8)
Sec. 3Manufacture, workmanship and testing (10)
1General (10)
镶嵌图形测验Pt.6 Ch.35 Sec.1 General – Page 5 SECTION 1 GENERAL
1Introduction
1.1Objective
The rules apply to ships which during the new building phase are planned for and partly prepared for later conversion to liquefied natural gas (LNG) fuel.
1.2Scope
The notation has more levels and corresponding requirements. The minimum mandatory level includes:—verification of compliance with GAS FUELLED rules for a future LNG fuelled ship design
—the main engine(s) installed can be converted to duel fuel operation (or are of dual fuel type from new-building stage).
In addition optional levels may be included, i.e. it can be chosen to include different preparations of the ship for a later conversion, and include certification and installation of parts of the LNG fuel systems in the new-building.
1.3Application
1.3.1The Gas ready class notation provides the basis for compliance with rules in force at the time of contract for construction for the new-building. The rules in force at the time of a later ship conversion to LNG fuel shall be complied with regardless of the Gas ready notation.
Guidance note:
At time of conversion, documentation should be submitted for approval. The design verification from the new building stage will be used to support the approval.
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1.3.2The Gas ready class notation does not include survey requirements for follow up of the ship when in operation.
Guidance note:
At time of conversion a survey and evaluation of the condition of the equipment or systems installed from new building stage will be done. The test scope will depend on time elapsed from new building, and in what way the systems and components have been preserved/ maintained.
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1.3.3The rules are applicable for installations where natural gas, stored as LNG, is intended to be used as fuel. If the rules are applied to designs with other gas fuels, special considerations will have to be done.
1.4Definitions
Definitions for terms used in this chapter are found in Pt.6 Ch.13 Sec.1.
2Class notation - Gas ready
A ship complying with the relevant parts of this chapter can be given a Gas ready(X1, X2, X3 …) notation, with a number of possible qualifiers as outlined in Table 1.
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