GB/T 20842-2024Technical requirement of lifeboat (English PDF)

National Standard of the People's Republic of China

ICS

47.020.50

Classification

U27

Issued by: State Administration for Market Regulation; Standardization Administration of the PRC

Contents

• Preface
• 1 Scope
• 2 Normative references
• 3 Terms and Definitions
• 4 Categories
• 5.Requirement
• 5.1 Materials
• 5.2 Design and Structure
• 5.3 Weight and main scale deviation
• 5.4 Outfitting
• 5.5 Attachments
• 5.6 Strength of lifeboats
• 5.7 Seats
• 5.8 Lifeboat freeboard and stability
• 5.9 Release device
• 5.10 Operability
• 5.11 Towing and bow line release
• 5.12 Sealing and structure of enclosed lifeboats
• 5.13 Additional requirements for totally enclosed lifeboats
• 5.14 Additional requirements for lifeboats with air support systems
• 5.15 Additional requirements for fire-resistant lifeboats
• 6 Test methods
• 6.1 Materials
• 6.2 Weight
• 6.3 Main scale
• 6.4 Outfitting parts
• 6.5 Attachments
• 6.6 Overload Performance
• 6.7 Impact and drop test
• 6.8 Free-fall lifeboat free fall
• 6.9 Seat Strength
• 6.10 Seat Test
• 6.11 Freeboard and stability test of enclosed lifeboat
• 6.12 Release mechanism test
• 6.13 Operability
• 6.14 Towing and bow line release
• 6.15 Vertical Awning
• 6.16 Watertightness of enclosed lifeboats
• 6.17 Enclosed lifeboat stretcher test
• 6.18 Enclosed lifeboat rainwater collection test
• 6.19 Additional requirements for totally enclosed lifeboats
• 6.21 Additional test for fire-resistant lifeboats
• 7 Inspection Rules
• 7.1 Inspection categories
• 7.2 Type inspection
• 7.3 Factory Inspection
• 8 Certificates and Logos
• 8.1 Certificate
• 8.2 Sign
• 9 Transportation and storage
• Appendix A (Normative) Open Lifeboat
• Appendix B (Normative) Acceleration Force Measurement and Evaluation
• Appendix C (Informative) Key points for simulated release test of davit-launched lifeboat at 5 kn speed