Rules for Class and Construction..Ship Technology..Uw Technology..Part 1 Diving System and Diving Simulators

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Rules for Classification and Construction IShip Technology 5Underwater Technology 1Diving Systems and Diving Simulators Edition 1998 The following Rules come into force on June 1st , 1998. "General Terms and Conditions" of the respective latest edition will be applicable (see Rules for Classification and Construction, IShip Technology, Part 0 Classification and Surveys). Reproduction by printing or photostatic means is only permissible with the consent of Germanischer Lloyd. Germanischer Lloyd AG Head Office Hamburg Vorsetzen 35, D-20459 Hamburg Telefon +49 40 3 61 49-0 Telefax +49 40 3 61 49-2 00 headoffice@gl-group.com http://www.gl-group.com Published by: Germanischer Lloyd AG, HamburgPrinted by: Gebrder Braasch GmbH, Hamburg Table of ContentsSection 1Rules for Classification of Diving Systems and Diving Simulators A.Classification and Characters of Classification.......................................................................... 1-1 B.Classification of Diving Systems built or converted under the Survey of and in Accordance with the Rules of GL.............................................................................................. 1-2 C.Classification of Diving Systems not built under the Survey of GL........................................... 1-2 D.Surveys of Maintenance of Class............................................................................................... 1-3 E.Surveys other than for Classification .......................................................................................... 1-5 Section 2Rules for Construction of Diving Systems A.General Rules and Instructions ................................................................................................... 2-1 B.Principles for the Design and Construction of Diving Systems .................................................. 2-7 C.Pressure Vessels and Apparatus................................................................................................. 2-9 D.Pipes, Valves, Fittings, Hoses and Umbilicals........................................................................... 2- 13 E.Compressors............................................................................................................................... 2- 17 F.Life Support Systems................................................................................................................. 2- 19 G.Automation, Communication and Locating Equipment............................................................. 2- 22 H.Electrical Equipment.................................................................................................................. 2- 25 I.Fire Protection ............................................................................................................................ 2- 30 J.Handling, Transfer and Mating Equipment................................................................................ 2- 32 K.Hyperbaric Evacuation System.................................................................................................. 2- 33 L.Wet Bells .................................................................................................................................... 2- 34 Section 3Rules for Construction of Diving Simulators A.General Rules and Instructions ................................................................................................... 3-1 B.Principles of Design and Construction of Diving Simulators..................................................... 3-6 C.Pressure Vessels and Apparatus................................................................................................. 3-8 D.Pipes, Valves, Fittings and Hoses.............................................................................................. 3-9 E.Compressors............................................................................................................................... 3- 10 F.Life Support Systems................................................................................................................. 3- 10 G.Automation and Communications Equipment............................................................................ 3- 13 H.Electrical Equipment.................................................................................................................. 3- 14 I.Fire Protection ............................................................................................................................ 3- 14 J.Hyperbaric Evacuation System.................................................................................................. 3- 16 Section 4Rules for Construction of Diver Pressure Chambers A.General Rules and Instructions ................................................................................................... 4-1 B.Principles for Design and Construction ...................................................................................... 4-3 Appendix ACalculation and Pressure Hulls under External Pressure A.Introduction................................................................................................................................ A-1 B.Stiffened and Unstiffened Cylindrical Shells............................................................................. A-1 C.Ring Stiffeners ............................................................................................................................ A-4 I - Part 5 GL 1998 Table of ContentsChapter 1Page 3 D.Stiffened and Unstiffened Conical Shells................................................................................... A-8 E.Dished Ends and Spheres ............................................................................................................ A-8 F.Openings and Discontinuities..................................................................................................... A- 10 G.Elasticity Moduli ......................................................................................................................... A- 10 H.Out-of-Roundness of Cylinders and Spheres.............................................................................. A- 11 I.Tolerances of Ring Stiffeners..................................................................................................... A- 13 J.Program Sequences for Iterative Calculations............................................................................ A- 14 K.Symbols and Units...................................................................................................................... A- 17 L.References ................................................................................................................................... A- 19 Appendix BAcrylic Plastic Windows A.General ........................................................................................................................................ B-1 B.Material ....................................................................................................................................... B-1 C.Manufacture of Windows ............................................................................................................ B-1 D.Window Shapes and Sizes.......................................................................................................... B-2 Appendix CDesign and Manufacture of GRP Constructions A.Principles for the Manufacture of GRP Constructions ................................................................ C-1 B.Company Authorization.............................................................................................................. C-1 C.Workshop Requirements ............................................................................................................. C-1 D.Construction Process ................................................................................................................... C-2 E.Materials..................................................................................................................................... C-3 Chapter 1 Page 4 Table of ContentsI - Part 5GL 1998 Index A Access openings..................................................................................................................................................... 3-9 Access ports ......................................................................................................................................................... 2-10 Acrylic plastic windows ................................................................................................................................2-12, 3-9 Air...................................................................................................................................................................... 2-22 Alarm systems ...................................................................................................................................................... 2-31 Analyzers ............................................................................................................................................................. 3-13 Analyzing equipment ........................................................................................................................................... 2-21 Ancillary equipment............................................................................................................................................... 2-5 Annual survey .................................................................................................................................................1-3, 1-4 Antechambers ........................................................................................................................................................ 4-1 Apparatus .........................................................................................................