7.6 More Objects to Be Inspected andInspection Requirements
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Platforms and other structures have to be inspected for
• Broken or bent elements
• Cracking and pitting
• Corrosion
• Marine fouling
• Debris accumulation
• Corrosion system eectiveness
All presently used testing techniques require that the structure to be
inspected should be cleaned of marine organism. While brushing, chipping,
and scraping will sometimes suce, it is frequently required that a high pres-
sure water jet be applied; the jet is cumbersome and potentially dangerous
to the operator. Cleaning is not only arduous, but it can constitute the major
expenditure of underwater time.
Locating the site to be inspected and positioning oneself to conduct the
inspection test c ...