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DNV GL AS
STANDARD
DNVGL-ST-0377 Edition May 2016
Standard for shipboard lifting appliances
FOREWORD
DNV GL standards contain requirements, principles and acceptance criteria for objects, personnel,organisations and/or operations.
DNV GL AS May 2016
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This service document has been prepared based on available knowledge, technology and/or information at the time of issuance of thisdocument. 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 responsibilityfor loss or damages resulting from any use of this document.
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CONTENTS
Changes - current...................................................................................................3
Section 1 General information................................................................................ 81.1 Introduction......................................................................................81.2 Services.......................................................................................... 161.3 Certification procedure................................................................... 181.4 Type of services..............................................................................20
Section 2 Documentation and certification........................................................... 222.1 Documentation to be submitted......................................................222.2 Certification.................................................................................... 23
Section 3 Materials................................................................................................263.1 General........................................................................................... 263.2 Selection of materials.....................................................................263.3 Manufacture and testing.................................................................283.4 Materials for welded components................................................... 303.5 Materials for hydraulic cylinders.....................................................353.6 Forgings..........................................................................................373.7 Steel castings................................................................................. 393.8 Bolts and nuts................................................................................ 41
Section 4 Design and calculation principles.......................................................... 434.1 General........................................................................................... 434.2 Design principles............................................................................ 434.3 Calculation principles......................................................................504.4 Proof of structural safety............................................................... 564.5 Proof of safety against overturning................................................ 584.6 Proof of fatigue strength................................................................ 594.7 Proof of suitability for use..............................................................734.8 Joints.............................................................................................. 744.9 Special structural elements............................................................ 81
Section 5 Cranes and supporting structures......................................................... 995.1 General........................................................................................... 995.2 Crane groups................................................................................ 1005.3 Design loads................................................................................. 102
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5.4 Hoist load coefficients.................................................................. 1085.5 Load combinations and partial safety factors............................... 1125.6 Proofs........................................................................................... 1175.7 Requirements for design and equipment...................................... 120
Section 6 Special lifting appliances and means of transport............................... 1296.1 General......................................................................................... 1296.2 Rope and chain hoists.................................................................. 1296.3 Ramps and car decks....................................................................1336.4 Lifting appliances for research work.............................................1376.5 Industrial cargo-handling vehicles................................................1386.6 Means of conveying persons.........................................................139
Section 7 Loose gear and interchangeable components......................................1427.1 General......................................................................................... 1427.2 Loose gear.................................................................................... 1427.3 Interchangeable components........................................................1537.4 Marking of loose gear and interchangeable components...............1607.5 Wear, damage, repair................................................................... 163
Section 8 Ropes and rope accessories................................................................ 1658.1 General......................................................................................... 1658.2 Wire ropes.................................................................................... 1658.3 Fibre ropes....................................................................................1718.4 Rope-end attachments..................................................................1738.5 Tests and examinations................................................................ 1748.6 Documentation..............................................................................176
Section 9 Mechanical parts................................................................................. 1789.1 General......................................................................................... 1789.2 Design criteria and operational requirements...............................1799.3 Power drives.................................................................................1809.4 Slewing gears and slew rings....................................................... 1809.5 Winches........................................................................................ 1829.6 Hydraulic systems.........................................................................1859.7 Protective measures and safety devices....................................... 1879.8 Examination of drawings and supervision of construction............ 1879.9 Documentation..............................................................................189
Section 10 Electrical equipment..........................................................................192
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10.1 General....................................................................................... 19210.2 Design criteria and operational requirements.............................19310.3 Drives and brakes.......................................................................19310.4 Cables and lines..........................................................................19510.5 Switches......................................................................................19610.6 Protective measures and safety devices..................................... 19710.7 Examination of drawings and supervision of construction...........19910.8 Documentation............................................................................200
Section 11 Construction of steel components..................................................... 20111.1 General....................................................................................... 20111.2 Requirements for manufacturers................................................ 20111.3 Design details............................................................................. 20511.4 Types of welds............................................................................20911.5 Workmanship and testing of weld joints.....................................21411.6 Examination of drawings and supervision of construction...........21711.7 Documentation............................................................................218
Section 12 Technical and operational safety requirements................................. 22012.1 General....................................................................................... 22012.2 Design requirements...................................................................22012.3 Equipment.............................
