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Tripartite Tokyo September 2007 Safety & SOLAS. 3.1 IMO Goal-based Standards. Eirik Andreassen Det Norske Veritas DNV Council Member Chairman of IACS EG/GBS. Content. CG on GBS for Bulk Carriers and Tanker for Oil CG on Safety Level Approach Pilot Project IACS Position & contribution

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tripartite tokyo september 2007 safety solas

Tripartite Tokyo September 2007 Safety & SOLAS

3.1 IMO Goal-based Standards

Eirik Andreassen

Det Norske Veritas

DNV Council Member

Chairman of IACS EG/GBS

content
Content
  • CG on GBS for Bulk Carriers and Tanker for Oil
  • CG on Safety Level Approach
  • Pilot Project
    • IACS Position & contribution
    • Comments to report from PP Coordinator
cg on gbs for bulk carriers and tanker for oil
CG on GBS for Bulk Carriers and Tanker for Oil
  • Dissemination from PP
  • Proposal for new Reg II (SOLAS)
    • SOALS Amendment (Tier I)
    • MSC Resolution (Tier II)
    • MSC Circular (SCF)
cg on safety level approach
CG on Safety Level Approach
  • Safety levels
    • Submission by Germany
    • Proposal by Denmark on Human Factors
  • Ship types
    • Many submissions and proposals
      • LRFP
    • No definite agreement
  • Concetual issues to be dealt with by WG/GBS, while detailed issues could be dealt with by WG/FSA
pilot project
Pilot Project
  • IACS Position & contribution
    • Contributed by preparing CSR as an example for review by the Pilot Panel (see MSC83/INF.5)
    • Participated in meetings by answering questions and clarifying technical content
pilot project1
Pilot Project
  • Report from PP Coordinator
    • Guidelines for Verification of Compliance with GBS
      • Verification by GoE vs
      • Self assessment by Class
    • Information and Documentation requirements
      • Level of detail
      • Verification requirements
    • In-Service Structural Performance Monitoring Requirements (separate slide)
    • Net Scantlings (separate slide)
in service structural monitoring
In service structural monitoring
  • Continuous self assessment of effectiveness of own rules
  • In principle a good proposal, however…
    • Spans
      • construction, survey, operation, maintenance and repair
    • Depends on
      • operations, routing, loading/discharge, maintenance, individual designs, workmanship/seamanship, …
    • In service experience is not controlled by NB requirements
    • Is already routinely monitored by individual class societies
    • Similarities with EWS
    • May compromise IPR of ship designs
  • … practicalities will have to be well though out
  • IACS ask for industry understanding/support on our views
net scanlings
Net scanlings
  • IACS support the majority view of the PP:
    • Strength assessment should be based on the foreseeable development of the ship structure throughout the life of the vessel.
    • Assessment based on the “pure” net scantling definition is too simplistic
  • Have provided an alternative text:
    • The net scantlings should provide the structural strength required to sustain the design loads,
    • assuming the structure is in intact condition and
    • accounting for the steel diminution that could be reasonably expected to occur during the life of the vessel due to corrosion and wastage.
  • Long experience with implementation of the proposed definition
  • Implementation of the strict net scantlings approach should therefore be justified.
  • IACS ask for industry support on our views and proposal
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