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BS ISO 4853:2023

$102.76

Ships and marine technology. A-frame launch and recovery system

Published By Publication Date Number of Pages
BSI 2023 18
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PDF Catalog

PDF Pages PDF Title
2 National foreword
6 Foreword
7 1 Scope
2 Normative references
3 Terms and definitions
8 4 Operation and functional requirements
4.1 Operating position
4.2 Constant tension setting
9 4.3 Load measuring device
4.4 Emergency release
4.5 Wire rope design
4.6 Cylinder protection
4.7 Loose gear
10 5 Design
5.1 General
5.2 Conditions without wind
11 5.3 Conditions with wind
5.4 Allowable stress for A-frame structure member
5.5 Fatigue
12 5.6 Fracture toughness requirements for critical and main load bearing members
5.6.1 General requirement
5.6.2 Steels up to and including 41 kg/mm2 yield strength
5.6.3 Extra high strength steels above 41 kg/mm2 yield strength
5.6.4 Alternative requirements
13 6 Acceptance tests and inspection
6.1 General
6.2 Heavy hoisting test and inspection
6.3 Factory acceptance test and inspection
14 7 Installation testing and inspection
7.1 General
7.2 Test loads
7.3 Examination after testing
15 Annex A (informative) Hoisting factor
16 Bibliography
BS ISO 4853:2023
$102.76