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About This Item
Full Description
This CP gives a description of the procedures and requirements related to documentation, design and type testing applicable for TA of abrasion resistant coatings
This CP does not set the design requirements to the abrasion resistant coatings. TA is based on compliance with design requirements given in the Society's rules and/or other regulations and standards. The CP describes the applicable design requirements and how to document compliance with the requirements in order to obtain a TA certificate for the equipment. This includes, where relevant, technical requirements for how the type tests shall be performed.
This CP includes requirements for:
— abrasion resistant coatings on vessels intended for navigation in ice-infested waters and on other vessels where abrasion resistance and strength of coating is of importance due to e.g. frequent mechanical cleaning
— coatings for use in dielectric shields and similar applications.
The Society's type approval certificate will cover one grade of the actual product with the possibility to include variants.
For abrasion resistant coatings this means:
— Grades:
one base resin. Full coating system, including one or more coats (as per system definition). Each type of reinforcement (fibres, flakes, particles) will be considered as grade.
— Variants:
colour variants, thinned variants and similar. All variants shall fulfil the requirements to the same grade.
The Society’s type approval certificate is normally limited to one manufacturer at one production site, however, other arrangements may be agreed upon with the Society.
Type tests as specified in Sec.2 [4] shall be carried out and verified in one of the following ways:
— at a DNV laboratory
— at an accredited and recognized testing laboratory or a laboratory accepted by the Society
— at the manufacturer's premises in the presence of a surveyor.
Application
DNV rules does not require that abrasion resistant coatings are DNV type approved, and TA in accordance with this CP is thus voluntary.
A TA certificate in accordance with this CP will confirm compliance with the requirements in the DNV rules and standards as specified in [1.1]. The TA certificate will not confirm compliance with requirements in other parts of the rules. In case additional requirements in other parts of the rules shall be covered by the TA certificate, this shall be specified in the application for TA and will be stated in the TA certificate.