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ABS Helicopter Decks Guide E-June12

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    Guide for the Class Notation Helicopter Decks and Facilities (HELIDK and HELIDK(SRF))   GUIDE FOR THE CLASS NOTATION HELICOPTER DECKS AND FACILITIES (HELIDK AND HELIDK(SRF)) APRIL 2008 (Updated June 2012 – see next page)   American Bureau of Shipping Incorporated by Act of Legislature of the State of New York 1862 Copyright 2008 American Bureau of Shipping ABS Plaza 16855 Northchase Drive Houston, TX 77060 USA    Updates June 2012 consolidation includes: ã    November 2010 version plus Notice No. 2 November 2010 consolidation includes: ã   April 2008 version plus Notice No. 1    ABS   GUIDE FOR THE CLASS NOTATION HELICOPTER DECKS AND FACILITIES (HELIDK AND HELIDK(SRF)) .   2008 iii   Foreword   Foreword ABS currently has requirements for design of helicopter decks and helicopter facilities in several Rules and Guides, including the  Rules for Building and Classing Steel Vessels , the  Rules for Building and Classing Steel Vessels Under 90 meters (295 feet) in Length , the  Rules for Building and Classing Mobile Offshore  Drilling Units , the  Rules for Building and Classing Steel Barges , and the Guide for Building and Classing  Liftboats . This Guide consolidates the above requirements for easy application of the Rule requirements for the optional notations HELIDK  and HELIDK(SRF) . For convenience, an easy-to-follow road map for classification of helicopter decks and helicopter facilities is also provided (see Appendix 1).    iv ABS   GUIDE FOR THE CLASS NOTATION HELICOPTER DECKS AND FACILITIES (HELIDK AND HELIDK(SRF)) .   2008 Table of Contents   GUIDE FOR THE CLASS NOTATION HELICOPTER DECKS AND FACILITIES (HELIDK AND HELIDK(SRF)) CONTENTS SECTION 1 Introduction............................................................................................... 1   1   Scope ................................................................................................. 1   3    Application .......................................................................................... 1   5   Definitions ........................................................................................... 1   7   Submission of Design Plans and Data ............................................... 2   7.1   Structural Plans ............................................................................... 2   7.3   Machinery and Systems Plans ........................................................ 2   7.5 Operation Manual ............................................................................ 2   SECTION 2 Structural Design and Safety Criteria .................................................... 3   1 General ............................................................................................... 3   3 Helicopter Deck Loading .................................................................... 3   3.1 Overall Distributed Loading ............................................................. 3   3.3 Helicopter Landing Impact Loading ................................................. 3   3.5   Stowed Helicopter Loading .............................................................. 4   3.7   Loading due to Motions of Vessel or Unit ........................................ 4   3.9 Special Landing Gear ...................................................................... 4   3.11 Environmental Loading .................................................................... 4   5   Helicopter Deck Arrangements .......................................................... 5   5.1 Size ................................................................................................. 5   5.3   Surface ............................................................................................ 5   5.5   Grating Type Construction ............................................................... 5   7 Arrangements ..................................................................................... 7   7.1 Projections ....................................................................................... 7   7.3 Tie Downs........................................................................................ 7   9   Safety ................................................................................................. 7   9.1   Safety Net ........................................................................................ 7   9.3 Means of Escape and Access ......................................................... 7   9.5   Visual Aids ....................................................................................... 7   9.7   Markings .......................................................................................... 7   9.9   Lights ............................................................................................... 9   11 Materials ........................................................................................... 10  
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