Section 1 Approval Process

101. General

1. The risk-based approval process is to be clear, transparent and well described in order to avoid misinterpretations.

2. The risk-based approval process is intended for validity and safety demonstration of target design, which especially focuses on design stage specially. It consists of three steps of preliminary appro- val, final approval and survey. (See Fig 3.1)

3. The details of the risk-based approval process depend also on the design process of the design team. The design stage is subdivided into three stages: design concept, generic design, and detailed design. It is linked with preliminary approval and final approval. Risk-based approval on safety in generic design is to be carried out through preliminary approval and the same in detailed design is to be carried out through final approval. However, the design team may wish to carry out the ap-

proval process using a detailed design, i.e. without an

analysis of a generic design. In such cases

both parties may agree to skip the analysis of the generic design and adjust accordingly the appro-

val process including the documentation of analyses. Independent of such details, the approval proc- ess to be consider among others the definition of the approval basis, the hazard identification, re-

view of approval basis after HAZID and quantitative risk assessment.

4. At the final stage, the survey requirements are applied to ensure that the original assumption of risk is satisfied for classification and continuation of the classification.

5. Requirements of associated hazards are to be identified and are directly reflected to the generic de- sign and detailed design as a means of controlling the risk of vessel during preliminary approval and final approval.

6. The risk-based survey requirements are prepared by using various requirements related to con- struction and operation obtained through preliminary approval and final approval process. It would

be a basis of safety management as a standard of work, monitoring, tests, audit construction and operation of ships.

and control during

7. The entire structure, primary step, stages and the order of preliminary approval and final approval is specified as Fig 3.2.

Fig 3.1 Stage of Approval Process

Fig 3.2 The structure of preliminary approval and final approval