Section 3 Final Approval

301. General

1. Final approval is a procedure of detailed design preparation and analysis. The procedure step is specified as in Fig 3.5.

Fig 3.5 Final approval procedure flow

302. Submission of detailed design

1. The design team submits detailed design to the approval team. The design reflects risk control measures, which are identified or created in preliminary approval procedure, in accordance to the analysis results for generic design.

2. Detailed design is to include all details not specifically defined in generic design. For example, de- tailed structural arrangement and the shape in all parts of the ships, dimension of all structures, construction method, detailed layout and final specification of all equipment systems, specification

and installation information of all equipments, operating conditions with all purposes and loads, operating system, detailed information etc. related to propulsion and maneuver are to

veloped in detailed design.

related be de-

303. Definition of final approval criteria

1. The approval team is to identify the differences between generic and detailed design based tailed information by detailed design as well as additional, detailed design information and

on de- revised

design contents. The team is to define necessary requirements and formal procedure for final

approval.

2. Final approval criteria are intensified and expanded types of preliminary approval criteria. In other words, general things which are considered in preliminary approval criteria are the same as in final approval criteria, but preliminary approval criteria stated requirements which are to be complied with for approval are to be written in detail in final approval criteria.

3. Items not recorded in preliminary approval criteria may be newly identified in detailed design. Risk evaluation criteria, detailed design analysis plans, the other requirements etc. of newly identified items are to be added to final approval criteria.

4. If necessary, operation methods related to experiments, calculations, analysis, simulation tests etc. on risk analysis, assessment and detailed design in final approval criteria may be additionally assigned by approval team.

304. Analysis of detailed design

1. The design team is to identify risks related to detailed design in accordance with final approval cri- teria, carry out accompanied experiments, calculations, analysis, simulation tests etc. The team is to submit proper documents on the results of detailed design analysis to the approval team.

2. The approval team is to supervise frequently that the design team carries out detailed design analy- sis suitably by final approval criteria. The representative in the approval team may attend the meet- ing of the design team.

3. In case contents of generic design in detailed design stage are changed, hazards identification, anal- ysis and assessment are to be carried out again overall.

305. Review of analysis results for detailed design

1. The approval team is to review that experiments, calculations, analysis, simulation tests etc. related to the detailed design have been carried out appropriately and transparently, and their results are reasonable.

2. The list of requirements for final approval is to be prepared based on the results of preliminary ap- proval criteria, final approval criteria, generic design and detailed design analysis. The following specifications are to be included to issue final approval certification.

(1) Possible risk categories and risk evaluation criteria

(2) Reasonable basis of limitations and restrictions applied to risk analysis

(3) Requirements to meet applied assumptions and conditions for identifying risks

(4) Requirements for successful functions of safety systems and risk control measures

(5) Requirements for achieving target functions of design

(6) If necessary, verifications for demonstrating satisfaction of requirements above

3. Items recorded with list of requirements for final approval are related with the following directly, they are draft requirements of construction and survey related to operation.

(1) Related to construction : safety and quality management requirements related to construction, manufacture and installation etc.

(2) Related to operation : restrictions, maintenance requirements, procedure during operation

306. Issuance of final approval certification

1. The design team is to submit all necessary documents (specifications, drawings, calculations etc.) to the approval team prior to issuance of final approval certification. Basically documents related to development and analysis of detailed design are to be submitted, and relevant document list to be submitted may be adjusted by an agreement between the design team and approval team.

2. All possible hazards of novel design or risk-based design are to be identified to issue final appro- val certification, they are to be reflected to risk analysis and assessment. Whether all risks are within risk acceptance level is to be verified comparing all risks to all risk evaluation criteria. It is to be verified that the developed detailed design is able to carry out target functions sufficiently.

3. The approval team is to confirm the list of requirements for final approval and the suitability of the design. The team is to decide issuance of final approval certification after judging that detailed design or realization possibility of the target design, safety level are acceptable.

4. Commencement of construction and manufacture may be possible after issuance of final approval certification. In other words, final approval is a formal and final design approval procedure to ver- ify safety and adequacy on entire design including generic design and detailed design.