Tripartite tokyo september 2007 safety solas
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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

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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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