STANDARD DNVGL-ST-0378 Edition May 2016 Standard for offshore and platform lifting appliances 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 standards contain requirements, principles and acceptance criteria for objects, personnel, organisations and/or operations. © DNV GL AS May 2016 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 is a new document. Changes - current Standard — DNVGL-ST-0378. Edition May 2016 Page 3 Standard for offshore and platform lifting appliances DNV GL AS CONTENTS Changes - current...................................................................................................3 Contents Section 1 General information................................................................................ 7 1.1 Introduction......................................................................................7 1.2 Services.......................................................................................... 16 1.3 Certification procedure................................................................... 18 1.4 Type of services..............................................................................20 Section 2 Documentation and certification........................................................... 25 2.1 Documentation to be submitted......................................................25 2.2 Certification.................................................................................... 27 Section 3 Materials and fabrication.......................................................................31 3.1 General........................................................................................... 31 3.2 Rolled structural steel for welding..................................................32 3.3 Rolled steel not for welding............................................................34 3.4 Steel forgings................................................................................. 34 3.5 Steel castings................................................................................. 38 3.6 Iron castings.................................................................................. 38 3.7 Steel tubes, pipes and fittings........................................................ 38 3.8 Aluminium alloy structures.............................................................38 3.9 Composite materials....................................................................... 39 3.10 Steel wire ropes............................................................................39 3.11 Crane manufacturing and construction......................................... 41 Section 4 Structural design and strength..............................................................49 4.1 Design loads................................................................................... 49 4.2 Cases of loading............................................................................. 53 4.3 Strength calculations...................................................................... 54 4.4 Design and strength of particular components............................... 57 Section 5 Machinery and equipment..................................................................... 63 5.1 Basic requirement...........................................................................63 5.2 Components.................................................................................... 64 5.3 Power systems................................................................................73 5.4 Electrical installations, equipment and systems..............................73 Standard — DNVGL-ST-0378. Edition May 2016 Page 4 Standard for offshore and platform lifting appliances DNV GL AS 5.5 Hydraulic, pneumatic, instrumentation, automation and wireless remote control systems........................................................................ 74 Section 6 Safety and safety equipment.................................................................78 6.1 Safety..............................................................................................78 Contents Section 7 Platform cranes..................................................................................... 80 7.1 Material and fabrication..................................................................80 7.2 Structural strength......................................................................... 80 7.3 Machinery and equipment...............................................................80 7.4 Safety and safety equipment.......................................................... 81 Section 8 Offshore cranes..................................................................................... 84 8.1 Material and fabrication..................................................................84 8.2 Structural strength......................................................................... 84 8.3 Machinery and equipment...............................................................87 8.4 Safety and safety equipment.......................................................... 88 Section 9 Cranes intended for subsea operations................................................. 97 9.1 General........................................................................................... 97 9.2 Structural strength......................................................................... 97 9.3 Machinery and equipment...............................................................97 9.4 Systems.......................................................................................... 98 9.5 Testing............................................................................................ 99 Section 10 Heavy lift cranes............................................................................... 100 10.1 General....................................................................................... 100 10.2 Structural Strength..................................................................... 100 10.3 Safety and safety equipment...................................................... 101 10.4 Machinery and equipment...........................................................101 Section 11 Lifting of personnel........................................................................... 102 11.1 General....................................................................................... 102 11.2 Documentation............................................................................102 11.3 Certification................................................................................ 102 11.4 Loads.......................................................................................... 102 11.5 Machinery and equipment...........................................................103 11.6 Safety..........................................................................................104 Section 12 Launch and recovery systems for diving........................................... 105 12.1 General....................................................................................... 105 Standard — DNVGL-ST-0378. Edition May 2016 Page 5 Standard for offshore and platform lifting appliances DNV GL AS 12.2 Structural strength..................................................................... 106 12.3 Machinery and equipment...........................................................106 Section 13 Launch and recovery arrangement for ROV....................................... 108 13.1 General....................................................................................... 108 13.2 Documentation............................................................................108 Contents 13.3 Machinery and equipment...........................................................108 13.4 Safety and safety equipment...................................................... 108 Section 14 Testing and test certificates marking................................................ 109 14.1 Functional testing of completed lifting appliances...................... 109 14.2 Load testing................................................................................ 110 14.3 Periodical surveys.......................................................................113 14.4 Testing of steel wire ropes......................................................... 115 14.5 Marking and signboards..............................................................116 Appendix A Wind loads on cranes.......................................................................118 A.1 Wind load calculation................................................................... 118 Appendix B Marking of single-sheave blocks...................................................... 121 B.1 General......................................................................................... 121 Appendix C Ship mounted cranes without jib support in transit condition.......... 122 C.1 Example on checking for compliance with the structural strength.............................................................................................