Section 3 Intermediate Surveys - Hull and machinery requirements
Clasification Society 2024 - Version 9.40
Clasifications Register Rules and Regulations - Rules and Regulations for the Classification of Special Service Craft, July 2022 - Part 1 Regulations - Chapter 3 Periodical Survey Regulations for Service Craft - Section 3 Intermediate Surveys - Hull and machinery requirements

Section 3 Intermediate Surveys - Hull and machinery requirements

3.1 General

3.1.1 Intermediate Surveys are to be held concurrently with statutory annual or other relevant statutory surveys wherever practicable.

3.2 Intermediate Surveys

3.2.1 The requirements of Pt 1, Ch 3, 2 Annual Surveys - Hull and machinery requirements are to be complied with so far as applicable.

3.2.2 For steel craft a general examination of salt water ballast tanks, integral sanitary tanks and bilges is to be carried out as required below. If such inspections reveal no visible structural defects then the examination may be limited to a verification that the protective coating remains in GOOD condition as defined in Pt 1, Ch 3, 1.5 Definitions 1.5.7. When considered necessary by the Surveyor thickness measurement of the structure is to be carried out. Where the protective coating is found to be other than in GOOD condition, and it has not been repaired, maintenance of class will be subject to the spaces in question being internally examined and gauged as necessary at Annual Surveys.

  1. For all craft over five years of age and up to 10 years of age, representative salt water ballast tanks, integral sanitary tanks and bilges are to be generally examined. Where the protective coating is found to be other than in GOOD condition, as defined in 1.5.6, or other defects are found, the examination is to be extended to other spaces of the same type.

  2. For steel craft over 10 years of age all salt water ballast tanks, integral sanitary tanks and bilges are to be generally examined.

3.2.3 For all craft over 10 years of age the anchors are to be partially lowered and raised using the windlass.

3.2.4 The electrical generating sets are to be examined under working conditions.

3.2.5 Representative internal spaces including fore and aft peak spaces, machinery spaces, bilges, etc are to be generally examined. These spaces should include all suspect areas, see Pt 1, Ch 3, 1.5 Definitions 1.5.4.


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