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    ABS 213-2008 GUIDE FOR THE CLASS NOTATION HELICOPTER DECKS AND FACILITIES (HELIDK AND HELIDK(SRF)).pdf

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    ABS 213-2008 GUIDE FOR THE CLASS NOTATION HELICOPTER DECKS AND FACILITIES (HELIDK AND HELIDK(SRF)).pdf

    1、 GUIDE FOR THE CLASS NOTATION HELICOPTER DECKS AND FACILITIES (HELIDK AND HELIDK(SRF) APRIL 2008 Guide to Color Coding Used in Online Version of the Guide The following summarizes the colors corresponding to Rule Changes, Corrigenda items and editorial changes in the Guide files which are available

    2、for download. Rule Changes: NOTICE NO. 1 November 2010 (effective 1 January 2011) NOTICE NO. 2 June 2012 (effective 15 June 2012) NOTICE NO. 3 October 2015 (effective 1 October 2015) Corrigenda: CORRIGENDA/EDITORIALS 1 February 2014 Editorials: Editorial Changes Guide for the Class Notation Helicopt

    3、er Decks and Facilities (HELIDK and HELIDK(SRF) GUIDE FOR THE CLASS NOTATION HELICOPTER DECKS AND FACILITIES (HELIDK AND HELIDK(SRF) APRIL 2008 (Updated October 2015 see next page) American Bureau of Shipping Incorporated by Act of Legislature of the State of New York 1862 Copyright 2008 American Bu

    4、reau of Shipping ABS Plaza 16855 Northchase Drive Houston, TX 77060 USA Updates October 2015 consolidation includes: February 2014 version plus Notice No. 3 February 2014 consolidation includes: June 2012 version plus Corrigenda/Editorials June 2012 consolidation includes: November 2010 version plus

    5、 Notice No. 2 November 2010 consolidation includes: April 2008 version plus Notice No. 1 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 B

    6、uilding 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 ap

    7、plication 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). ABSGUIDE FOR THE CLASS NOTATION HELICOPTER DECKS AND FACILITIES (HELID

    8、K AND HELIDK(SRF) .2008 iii 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 Syst

    9、ems 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 La

    10、nding 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 8 9.9 Lig

    11、hts . 9 11 Materials . 10 iv ABSGUIDE FOR THE CLASS NOTATION HELICOPTER DECKS AND FACILITIES (HELIDK AND HELIDK(SRF) .2008 TABLE 1 Allowable Factors of Safety Based on Y for Helicopter Decks 4 FIGURE 1 Example of Helicopter Deck Arrangement . 6 FIGURE 2 Example of Helicopter Deck Markings on Offshor

    12、e Units 9 SECTION 3 Helicopter Refueling Systems . 11 1 Steel Vessels (Greater than 90 meters in Length) . 11 1.1 Application . 11 1.3 Fuel Storage and Refueling Equipment Area 11 1.5 Spill Containment 11 1.7 Fuel Storage Tanks . 12 1.9 Refueling Pumps . 12 1.11 Fuel Piping. 12 1.13 Fuel Storage and

    13、 Refueling Systems Installed in Enclosed Spaces 12 1.15 Fire Extinguishing System . 13 3 Steel Vessels (Under 90 meters in Length) and Liftboats 13 3.1 Fuels with Flash Point Above 60C (140F) 13 3.3 Fuels with Flash Point at or Below 60C (140F) Installations on an Open Deck . 13 3.5 Fuels with Flash

    14、 Points at or Below 60C (140F) Installation within Enclosed Spaces . 14 5 Steel Barges . 15 5.1 Helicopter Fuel Oil Storage and Transfer Facilities . 15 5.3 Helicopter Fuel Oil Pumping Arrangements 16 7 Mobile Offshore Drilling Units . 16 7.1 General 16 7.3 Drainage Arrangements 17 7.5 Spill Contain

    15、ment 17 SECTION 4 Fire Safety Systems . 18 1 Steel Vessels and Liftboats 18 1.1 Application . 18 1.3 Provisions for Helicopter Deck . 18 1.5 Provisions for Enclosed Helicopter Facilities . 19 1.7 Operation Manual 19 3 Steel Barges . 19 3.1 Fire Fighting for Helicopter Landing Areas with No Refueling

    16、 Capabilities and Facilities for Winching Only . 19 3.3 Fire Fighting for Helicopter Landing Areas with Refueling Capabilities 20 5 Mobile Offshore Drilling Units . 20 5.1 General 20 5.3 Firefighting Systems 20 5.5 Fire Pumps 21 7 Additional Guidance . 21 ABSGUIDE FOR THE CLASS NOTATION HELICOPTER D

    17、ECKS AND FACILITIES (HELIDK AND HELIDK(SRF) .2008 v SECTION 5 Electrical Systems 22 1 Steel Vessels (Greater than 90 meters in Length) . 22 1.1 Hazardous Areas Helicopter Refueling Facilities 22 1.3 Certified Safe Equipment in Helicopter Refueling Facilities . 22 3 Steel Barges . 22 3.1 Permanent Eq

    18、uipment Grounding Arrangements 22 3.3 Emergency Source of Power . 22 5 Mobile Offshore Drilling Units . 23 5.1 Grounding Arrangements 23 5.3 Emergency Source of Power . 23 SECTION 6 Survey Requirements 24 1 All Vessels other than Mobile Offshore Drilling Units . 24 1.1 Annual Surveys Hull . 24 1.3 S

    19、pecial Periodical Surveys Hull 24 1.5 Annual Surveys Machinery . 24 3 Mobile Offshore Drilling Units . 24 3.1 Special Survey No. 1 Hull . 24 3.3 Specific Survey on Self-Elevating Units After Ocean Transit Tow 25 5 Specific Vessel Types 25 5.1 Accommodation Barges 25 5.3 Safety Standby Service Vessel

    20、s 25 5.5 Liftboats . 25 5.7 Floating Production Installations 26 5.9 Offshore LNG Terminals 26 5.11 Compressed Natural Gas Carriers 26 APPENDIX 1 Summary of ABS Requirements . 27 vi ABSGUIDE FOR THE CLASS NOTATION HELICOPTER DECKS AND FACILITIES (HELIDK AND HELIDK(SRF) .2008 Section 1: Introduction

    21、SECTION 1 Introduction 1 Scope This Guide covers design, systems and survey criteria for helicopter decks and facilities on vessels and mobile offshore drilling units classed with ABS. This consolidated Guide is applicable for helicopter decks and facilities for the following Rules and Guides: Rules

    22、 for Building and Classing Steel Vessels (Steel Vessel Rules) (3-2-11/11, 4-6-7/9, 4-7-2/5.3, et al.) Rules for Survey After Construction (7-3-2/1.1.11, 7-6-2/1.1.10, et al.) Rules for Building and Classing Steel Vessels Under 90 meters (295 feet in Length) (Under 90m Rules) (3-2-9/11, 4-4-8/3, 4-5-

    23、1/7, et al.) Rules for Building and Classing Mobile Offshore Drilling Units (MODU Rules) (3-2-2/3, 4-2-6/7, 5-2-3/9, 6-2-4/1, 6-2-4/7, et al.) Rules for Building and Classing Steel Barges (Barge Rules) (Section 3-2-11, et al.) Guide for Building and Classing Liftboats (Liftboat Guide) (3-2-11/5, 4-5

    24、-7/1, 4-6-1/7, et al.) Rules for Building and Classing Offshore Installations Rules for Building and Classing Facilities on Offshore Installations Guide for Building and Classing Offshore LNG Terminals See also the flowcharts in Appendix 1 for a detailed map of the above requirements. 3 Application

    25、This Guide is applicable to helicopter decks and helicopter facilities on steel vessels of all lengths, steel barges, mobile offshore drilling units, and liftboats. Vessels in compliance with this Guide will be assigned the following notations: Vessels with a helicopter deck intended for landing wit

    26、h no provision for storage or refueling and complying with Sections 2 and 6 of this Guide will be assigned the notation HELIDK. Vessels with a helicopter deck and a helicopter facility for storage and/or refueling and complying with Sections 2 through 6 of this Guide will be assigned the notation HE

    27、LIDK(SRF). 5 Definitions Helicopter Deck (Helideck) a purpose-built helicopter landing area, on a vessel or unit including all structure, fire fighting appliances and other equipment necessary for the safe operation of helicopters, but not those areas for occasional or emergency helicopter operation

    28、s (e.g., circle H marked on hatch covers for drop-off/pickup of pilot). Helicopter Facility a helideck including any refueling and hangar facility. ABSGUIDE FOR THE CLASS NOTATION HELICOPTER DECKS AND FACILITIES (HELIDK AND HELIDK(SRF) .2008 1 Section 1 Introduction 7 Submission of Design Plans and

    29、Data 7.1 Structural Plans (2011) Plans showing the arrangement, scantlings and details of the helicopter deck are to be submitted for review and approved before the work of construction is commenced. These plans are to clearly indicate the scantlings, structural details and welding, or other methods

    30、 of connection. The arrangement plan is to show, in both plan view and elevation, the overall size of the helicopter deck and the designated landing area. If the arrangement provides for the securing of a helicopter or helicopters to the deck, the predetermined position(s) selected to accommodate th

    31、e secured helicopter, in addition to the locations of deck fittings for securing the helicopter, are to be shown. The type of helicopter to be considered is to be specified and calculations for appropriate loading conditions are to be submitted. Plans should generally be submitted electronically to

    32、ABS. However, hard copies will also be accepted. 7.3 Machinery and Systems Plans In addition to the above, for helicopter facilities for storage and refueling of helicopters, the following plans are to be submitted: Helicopter refueling system, fuel storage tank and its securing and bonding arrangem

    33、ents Helicopter operations fire fighting system (where applicable) 7.5 Operation Manual Each helicopter facility is to have an operation manual, specifying a description and a checklist of safety precautions, procedures and equipment requirements. This manual may be part of the Operation Manual for

    34、the vessel, mobile offshore drilling unit or liftboat, as applicable. 2 ABSGUIDE FOR THE CLASS NOTATION HELICOPTER DECKS AND FACILITIES (HELIDK AND HELIDK(SRF) .2008 Section 2: Structural Design and Safety Criteria SECTION 2 Structural Design and Safety Criteria 1 General Helicopter decks are to mee

    35、t the following structural and safety requirements. The attention of Owners, builders and designers is directed to various international and governmental regulations and guides regarding the operational and other design requirements for helicopters landing on vessels or units. 3 Helicopter Deck Load

    36、ing Scantlings of helicopter decks and supporting structure are to be determined on the basis of the following loading conditions, whichever is greater, in association with the allowable factors of safety shown in Section 2, Table 1. Plastic design considerations may be applied for deck plating and

    37、stiffeners. Scantlings of helicopter decks and supporting structures are to be such that the resulting stress in members does not exceed: Y/Fswhere Y = specified minimum yield point or yield strength of the material Fs= factor of safety, as given in Section 2, Table 1 3.1 Overall Distributed Loading

    38、 For platform type helicopter decks, minimum distributed loading of 2010 N/m2 (205 kgf/m2, 42 lbf/ft2) is to be taken over the entire helicopter deck. For all other helicopter decks provided on part of the vessels structure deck (e.g., deckhouse/ superstructure top or strength/weather deck), the min

    39、imum weather load as specified for each type of vessel is also to be applied (see also 2/3.11). 3.3 Helicopter Landing Impact Loading A load of not less than 75% of the helicopter maximum take-off weight is to be taken on each of two square areas, 0.3 m 0.3 m (1 ft 1 ft). Alternatively, the manufact

    40、urers recommended wheel impact loading will be considered. The deck is to be considered for helicopter landings at any location within the designated landing area. The structural weight of the helicopter deck is to be added to the helicopter impact loading when considering girders, stanchions, truss

    41、 supports, etc. Where the upper deck of a superstructure or deckhouse is used as a helicopter deck and the spaces below are normally manned (quarters, bridge, control room, etc.), the impact loading is to be multiplied by a factor of 1.15. ABSGUIDE FOR THE CLASS NOTATION HELICOPTER DECKS AND FACILIT

    42、IES (HELIDK AND HELIDK(SRF) .2008 3 Section 2 Structural Design and Safety Criteria TABLE 1 Allowable Factors of Safety Based on Y for Helicopter Decks Y = specified minimum yield point or yield strength of the material as defined in 2-1-1/13 of the ABS Rules for Materials and Welding (Part 2) Plati

    43、ng Beams Girders, Stanchions, Truss Supports, etc. (See Note 3) Overall Distributed Loading 1.67 1.67 1.67 Helicopter Landing Impact Loading (See Note 1) 1.00 (2)1.00 1.10 Stowed Helicopter Loading 1.00 1.10 1.25 Notes: 1 The minimum plate thickness t is generally not to be less than obtained from t

    44、he following: Beam Spacing t Beam Spacing t 460 mm 4.0 mm 18 in. 0.16 in. 610 mm 5.0 mm 24 in. 0.20 in. 760 mm 6.0 mm 30 in. 0.24 in. 2 Alternatively, ultimate state limit methods may be considered. 3 For members subjected to axial compression, the factor of safety is to be based on the yield stress

    45、 or critical buckling stress, whichever is less. 4 The minimum plate thickness for materials other than steel will be specially considered. 3.5 Stowed Helicopter Loading If provisions are made to accommodate helicopters secured to the deck in a predetermined position, the structure is to be consider

    46、ed for a local loading equal to the manufacturers recommended wheel loading at maximum take-off weight, multiplied by a dynamic amplification factor based on the predicted motions of the vessel or unit for this condition, as may be applicable for the vessel or unit under consideration. In addition t

    47、o the helicopter load, a uniformly distributed loading of 490 N/m2(50 kgf/m2, 10.5 lbf/ft2), representing wet snow or ice, is to be considered, if applicable. For the girders, stanchions, truss supports, etc., the structural weight of the helicopter deck is also to be considered. 3.7 Loading due to

    48、Motions of Vessel or Unit The structure supporting helicopter decks is to withstand the loads resulting from the motions of the vessel or unit. 3.9 Special Landing Gear Helicopters fitted with landing gear other than wheels will be specially considered. 3.11 Environmental Loading Calculations are to

    49、 consider anticipated wind and wave impact loading on helicopter decks and their supporting structures. 4 ABSGUIDE FOR THE CLASS NOTATION HELICOPTER DECKS AND FACILITIES (HELIDK AND HELIDK(SRF) .2008 Section 2 Structural Design and Safety Criteria 5 Helicopter Deck Arrangements 5.1 Size 5.1.1 In general, the helicopter deck is to be of sufficient size to contain a circle of a diameter equal to at least the rotor diameter of the largest helicopter using the helicopter deck. The helicopter deck is


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