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DNVGL-OS-D301 Fire Protection OFFSHORE STANDARDS DNVGL-OS-D301 Edition January 2017 Fire protection The content of this service document is the subject of intellectual property rights reserved by DNV GL AS ("DNV GL"). The user accepts that it is prohibited by anyone else but DNV GL and/or its licensees to offer and/or perform classification, certification and/or verification services, including the issuance of certificates and/or declarations of conformity, wholly or partly, on the basis of and/or pursuant to this document whether free of charge or chargeable, without DNV GL's prior written consent. DNV GL is not responsible for the consequences arising from any use of this document by others. The electronic pdf version of this document, available free of charge from http://www.dnvgl.com, is the officially binding version. DNV GL AS FOREWORD DNV GL offshore standards contain technical requirements, principles and acceptance criteria related to classification of offshore units. © DNV GL AS January 2017 Any comments may be sent by e-mail to [email protected] This service document has been prepared based on available knowledge, technology and/or information at the time of issuance of this document. The use of this document by others than DNV GL is at the user's sole risk. DNV GL does not accept any liability or responsibility for loss or damages resulting from any use of this document. CHANGES – CURRENT This document supersedes the July 2015 edition. Changes in this document are highlighted in red colour. However, if the changes involve a whole chapter, section or sub-section, normally only the title will be in red colour. Main changes January 2017, entering into force 1 July 2017 • Ch.1 Sec.1 Introduction Table 5 Definitions of terms are aligned with DNVGL-OS-A101. • Ch.2 Sec.1 Passive fire protection Changes - current Sec.1 [4] Detailed requirements to cables are deleted, as these are described in DNVGL-OS-D201. • Ch.2 Sec.3 Fire-fighting systems Sec.3 [2.2.3] Interpretation is deleted. Sec.3 [2.2.4] Fire pump capacity requirement is clarified to avoid misunderstandings. Sec.3 [2.2.6] Interpretation is deleted. Sec.3 [3.1], [3.2] and [3.3] Detailed requirements for local fire fighting systems are replaced by reference to the FSS Code. No changes to technical requirements. Sec.3 [3.7] Former clauses for spare charges to extinguishers are deleted. • Ch.2 Sec.4 Fire and/or gas detection and alarm systems Sec.4 [3.1.1] Item 2 in interpretation is deleted. Sec.4 [3.3] Guidance note is deleted. • Ch.2 Sec.6 Supplementary requirements for drilling and well intervention units Sec.6 [6.3.1] Requirement for smoke detection in air intakes is limited to accommodation areas. Requirement for H2S detection in air intakes is deleted. Sec.6 [6.3.2] Requirement related to helicopter decks is deleted. • Ch.2 Sec.7 Supplementary requirements for oil and gas production and storage units Sec.7 [table 1] Requirement for deluge capacity in turret areas is reduced from 20 (l/min)/m2 to 10 (l/min)/ m2. Sec.7 [3.3.5] New clause. Sec.7 [3.5] Turret requirement is removed from this paragraph, as these are considered as process areas. Fire fighting requirements in engine and boiler rooms are deleted from this paragraph. Such arrangements are covered in Ch.2 Sec.3. Sec.7 [5.3.4] New clause. • Ch.2 Sec.10 Supplementary requirements for offshore loading buoys Former sub-section [2] covering diving systems are deleted, as these systems are no longer described in the offshore standard. • Ch.3 Sec.2 Certification of equipment Sec.2 [1] and [2] Categories for certification of equipment is aligned in the offshore standards. Offshore standards, DNVGL-OS-D301. Edition January 2017 Page 3 Fire protection DNV GL AS Editorial corrections In addition to the above stated changes, editorial corrections may have been made. Changes - current Offshore standards, DNVGL-OS-D301. Edition January 2017 Page 4 Fire protection DNV GL AS CONTENTS Changes – current............................................................ 3 Chapter 1 Introduction..................................................... 8 Contents Section 1 General................................................................................................................ 8 1 General.................................................................................................................8 2 Normative references.........................................................................................10 3 Definitions..........................................................................................................11 4 Documentation................................................................................................... 19 Chapter 2 Technical provisions....................................... 21 Section 1 Passive Fire protection...................................................................................... 21 1 General...............................................................................................................21 2 Fire technical requirements............................................................................... 21 3 Protection of spaces or areas............................................................................ 25 4 Cables.................................................................................................................30 Section 2 Active fire protection of specific areas.............................................................. 31 1 General...............................................................................................................31 2 Fire-extinguishing systems in specific areas......................................................31 Section 3 Fire-fighting systems......................................................................................... 35 1 General...............................................................................................................35 2 Fire main systems..............................................................................................35 3 Local fire-fighting systems.................................................................................40 Section 4 Fire and/or gas detection and alarm systems................................................... 42 1 General...............................................................................................................42 2 Fire detection and alarm system....................................................................... 42 3 Gas detection and alarm systems...................................................................... 50 Section 5 Miscellaneous items........................................................................................... 53 1 Introduction....................................................................................................... 53 2 Fire-fighter’s outfits........................................................................................... 53 3 Recharging of air cylinders................................................................................ 53 4 Arrangements in machinery and working spaces...............................................54 5 Provisions for helicopter facilities......................................................................54 6 Storage of gas cylinders.................................................................................... 55 7 Fire control plan................................................................................................ 56 8 Emergency escape breathing devices................................................................ 56 Section 6 Supplementary requirements for drilling and well intervention units.................58 Offshore standards, DNVGL-OS-D301. Edition January 2017 Page 5 Fire protection DNV GL AS 1 General...............................................................................................................58 2 Passive fire protection....................................................................................... 58 3 Active fire protection of specific areas.............................................................. 58 4 Gas detection and alarm.................................................................................... 60 5 Emergency escape breathing devices................................................................ 61 6 Enhanced fire protection- ES............................................................................. 61 Contents Section 7 Supplementary requirements for oil and gas production and storage units....... 63 1 General...............................................................................................................63 2 Passive fire protection....................................................................................... 63 3 Active fire protection of specific areas.............................................................. 63 4 Fire-water systems............................................................................................ 67 5 Detection and alarm systems.............................................................................68 6 Conversions........................................................................................................71 Section 8 Supplementary requirements for floating storage units.....................................72 1 General...............................................................................................................72 2 Passive fire protection......................................................................................
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