7 Survey requirements
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Statutory Documents - IMO Publications and Documents - Resolutions - Marine Environment Protection Committee - Resolution MEPC.94(46) - Condition Assessment Scheme - (adopted on 27 April 2001) - Annex - Condition Assessment Scheme - Appendix 3 - Model Survey Plan for CAS - 7 Survey requirements

7 Survey requirements

Parent topic: Appendix 3 - Model Survey Plan for CAS

7.1 Overall survey

  The CAS requirements

 Paragraph 7.2.1 (and 5.2) of the CAS require that the hull structures in way of cargo tanks, pump rooms, cofferdams, pipe tunnels, void spaces within the cargo area and all ballast tanks shall undergo an overall survey.

  The Plan

 This section of the Plan shall identify and list the spaces that shall undergo an overall survey for this ship.

7.2 Close up survey

  The CAS requirements

 Paragraph 7.2.2 (and Table 7.2.2) of the CAS state the hull structures that shall undergo a close up survey. These are:

Close up survey requirements
All web frame rings, in all ballast tanks (see note 1)
All web frame rings, in a cargo wing tank (see note 1)
A minimum of 30% of all web frame rings, in each rmaining cargo wing tank (see notes 1 and 3)
All transverse bulkheads, in all cargo and ballast tanks (see note 2)
A minimum of 30% of the deck and bottom transverses, including adjacent structural members, in each cargo centre tank (see note 3)
Additional complete transverse web frame rings or deck and bottom transverse including adjacent structural members as considered necessary by the surveyor
Notes:
1 Complete transverse web frame ring including adjacent structural member.
2 Complete transverse bulkhead, including girder and stiffener systems and adjacent members.
3 The 30% shall be rounded up to the next whole integer.

 In addition paragraphs 7.2.3 and 7.2.4 of the CAS provide further guidance as far as the extent and scope of the close up survey.

  The Plan

 This section of the Plan shall identify and list, using paragraph 7.2.2 (and Table 7.2.2) of the CAS, the hull structures that shall undergo a close up survey for this ship. In particular it shall:

  • .1 identify the cargo wing tank in which all web frame rings will undergo close up survey and indicate the number of web frame rings involved;

  • .2 identify the remaining cargo wing tanks in which a minimum of 30% of the web frame rings will undergo a close up survey and indicate, for each tank, the number of web frame rings involved; and

  • .3 identify the cargo centre tanks in which a minimum of 30% of the deck and bottom transverses, including adjacent structural members, in each cargo centre tank will undergo close up survey and indicate, for each tank, the number of the deck and bottom transverses, including adjacent structural members, involved.

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