DNV-DSS-315: Verification of Onshore LNG and Gas Facilities

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  • DNV SERVICE SPECIFICATION

    The electronic p

    DNV-DSS-315

    Verification of Onshore LNG and Gas Facilities

    OCTOBER 2010

    This document has been amended since the main revision (October 2010), most recently in April 2012. See Changes on page 3.

    DET NORSKE VERITAS AS

    df version of this document found through http://www.dnv.com is the officially binding version

  • FOREWORDDET NORSKE VERITAS (DNV) is an autonomous and independent foundation with the objectives of safeguarding life,property and the environment, at sea and onshore. DNV undertakes classification, certification, and other verification andconsultancy services relating to quality of ships, offshore units and installations, and onshore industries worldwide, andcarries out research in relation to these functions.

    DNV service documents consist of amongst other the following types of documents: Service Specifications. Procedual requirements. Standards. Technical requirements. Recommended Practices. Guidance.

    The Standards and Recommended Practices are offered within the following areas:A) Qualification, Quality and Safety MethodologyB) Materials TechnologyC) StructuresD) SystemsE) Special FacilitiesF) Pipelines and RisersG) Asset OperationH) Marine OperationsJ) Cleaner EnergyO) Subsea Systems

    Det Norske Veritas AS October 2010

    Any comments may be sent by e-mail to rules@dnv.comFor subscription orders or information about subscription terms, please use distribution@dnv.comComputer Typesetting (Adobe Frame Maker) by Det Norske Veritas

    This service document has been prepared based on available knowledge, technology and/or information at the time of issuance of this document, and is believed to reflect the best ofcontemporary technology. The use of this document by others than DNV is at the user's sole risk. DNV does not accept any liability or responsibility for loss or damages resulting fromany use of this document.

  • Amended April 2012 DNV Service Specification DNV-DSS-315, October 2010see note on front cover Changes Page 3

    CHANGES

    BackgroundThe experience gained from past projects specific to onshore LNG and Gas installations is incorporated in thisService Specification.

    IntroductionThe suit of inter-related DNV-OSS documents consist of a general description of the verification systematics(DNV-OSS-300) and object specific documents. This DNV-OSS-315 offers the reader the application of thecommon framework and overview of processes in risk verification, to process facilities.This Service Specification:

    Introduces a levelled description of verification involvement during all phases of an asset's life. Facilitates a categorisation into risk levels High, Medium and Low, assisting in an evaluation of the risk

    level. Assists in planning the verification through the making of a Verification Plan, and describes the DNV

    documentation of the process throughout. Provides an international standard allowing transparent and predictable verification scope, as well as

    defining terminology for verification involvement.

    Changes Two new DNV service document types have been introduced as from October 2010 to be used for services thatare not limited to offshore and/or not to be considered as DNV Rules for classification of Ships or HSLC/NSC.The documents have been named; DNV Service Specifications (DSS) and DNV Standards (DS).This service specification; DSS-315: Verification of Onshore LNG and Gas Facilities replaces the previousversion of the document with short name; DNV-OSS-315. There are no changes in content, only how thedocument is referred to, as OSS now will be used for Service Specifications intended for Offshore use.

    Amendments April 2012

    The restricted use legal clause has been deleted from the front page.

    Amendments October 2011

    A restricted use legal clause has been added on the front page.

    DET NORSKE VERITAS AS

  • DNV Service Specification DNV-DSS-315, October 2010 Amended April 2012Page 4 Contents see note on front cover

    CONTENTS

    Sec. 1 General ............................................................................................................................................... 6

    A. General ............................................................................................................................................................................ 6A 100 Introduction........................................................................................................................................................... 6A 200 Objectives ............................................................................................................................................................. 6A 300 Scope of application for verification..................................................................................................................... 6A 400 Structure of this document ................................................................................................................................... 7

    B. Risk Based Verification .................................................................................................................................................. 7B 100 General.................................................................................................................................................................. 7B 200 Verifications Role in Hazard Management ......................................................................................................... 7B 300 Risk-based Verification Planning ......................................................................................................................... 7B 400 Certificate of Conformity...................................................................................................................................... 8

    C. Definitions and Abbreviations ........................................................................................................................................ 9C 100 General.................................................................................................................................................................. 9C 200 Abbreviations........................................................................................................................................................ 9C 300 Verbal forms ......................................................................................................................................................... 9C 400 Definitions ............................................................................................................................................................ 9

    D. References ..................................................................................................................................................................... 11D 100 List of Internal References.................................................................................................................................. 11D 200 List of External References................................................................................................................................. 11D 300 List of Technical Specifications.......................................................................................................................... 11

    Sec. 2 Principles of Risk Based Verification ............................................................................................. 12

    A. Purpose of Section ........................................................................................................................................................ 12A 100 Objectives ........................................................................................................................................................... 12

    B. Verification Principles .................................................................................................................................................. 12B 100 Purpose of Verification ....................................................................................................................................... 12B 200 Verification as a Complementary Activity ......................................................................................................... 12B 300 Risk-based Levels of Verification ...................................................................................................................... 12

    C. Selection of Level of Verification................................................................................................................................. 13C 100 Selection Factors................................................................................................................................................. 13C 200 Overall Verification Objective............................................................................................................................ 15C 300 Assessment of Risk ............................................................................................................................................. 15C 400 Technical Innovation and Contractor Experience............................................................................................... 15C 500 Quality Management Systems ............................................................................................................................ 15

    D. Communications ........................................................................................................................................................... 15D 100 Notification of Verification Level .....