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Presentation on theme: "YACHTS."— Presentation transcript:


2 Yacht ? Limited number of passengers
Private - commercial (e.g. charter) SOLAS exempted (normally)

3 DNV HSLC Rules - Notation Yacht
Objective: level of safety as for commercial passenger service LC:   (0,13 ·L·B)1,5 HS: V  7,16  0,1667 &  25 knots Service restr.: R0, R1, R2, R3, R4 Yacht: Requirements given in Pt. 5 Ch. 5  1A1 HSLC Yacht R...  1A1 LC Yacht R...

4 Development - DNV Yacht Rules
To cover all types of vessels: HSLC (motor and sail) and steel ships Objective: level of safety level as for commercial passenger service Safety Principles (ongoing) Technical rule requirements:

5 DNV HSLC Rules - Notation Yacht
Differences from HSLC basic Class: Not for commercial operation, but charter included Reduced minimum thicknesses may be accepted Requirements to sill heights may be reduced based on special consideration Reduced number of deadlights Reduced weight of anchoring equipment Reduced requirements to certification of machinery components Different requirements to fire prevention, detection and fighting

6 Lloyd’s List

7 DNV experience - Motor vessels
Speed 15  70 knots Length 18  76 m Steel Aluminium Carbon/glass/aramid fibre reinforced plastics

8 DNV experience - Sailing vessels
Monohulls Catamarans Length 20  75 m Carbon/glass/aramid fibre reinforced plastics

9 Projects in progress – Motor.
Pr. December 2002

10 Projects in progress – Sail.
Pr. December 2002

11 Projects in progress Mirabella V LOA 75.2 m Beam 14.8 m
Draft 10.0 m (keel down) Displ. 700 tonnes Sail Area m2 Designer Ron Holland Design Builder Vosper Thornycroft Composite Engineering by High Modulus Class: 1A1 LC Yacht R0 E0

12 Yachts in operation – HSLC Yacht

13 Yachts in operation - Typecode Yacht

14 Sailyachts - Rule proposal
Consider especially: - rig attachments (mast step, stays etc.) - rig loads on hull (hull bending etc.) - keel and keel attachment Status: On external hearing. Planned completed 2002.

15 Why chose DNV Ensures adequate safety level for persons on-board
Reduces project risk - third party verification of delivery Expertise in lightweight construction - design and manufacture Expertise in FRP and steel/alum. construction Efficient approval process World wide presence Extensive consulting services Extensive statutory experience

16 Statutory certificates
Requirements to statutory certificates depends on: type of operation (commercial/private) size flag Will have effect on vessel design Must be known at specification stage

17 Statutory certificates - “Normal” yachts
Tonnage Load Line MCA (Marine and Coastguard Agency, UK)

18 Statutory certificates - “Large” yachts
Tonnage Load Line MCA (Marine and Coastguard Agency, UK) Safety construction Safety equipment Safety radio Safe manning Oil pollution prevention ISM

19 Consulting services DAP - Design Approval Preview
SDR - Structural Design Review MDA - Main Drawing Approval Finite element analysis Hull statement of compliance Hull survey

20 Consulting services Direct load analysis Slamming response
Structural response Noise & vibration calculation

21 Future requirements MCA: “MCA Code of Practice for Safety of Large Commercial Sailing and Motor Yachts” New revision planned finished 2003

22 DNV Composite (FPR) Rules
Complete update to cover state of the art for composite materials - design methods - manufacturing methods - materials - testing

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