3.1 Part 8 of the
Rules for Special Service Craft apply to craft constructed of fibre
reinforced plastics using hand lay-up, mechanical deposition, contract
moulding techniques or vacuum assisted techniques. Construction may
be either single-skin or sandwich construction, or a combination of
both. Where moulding techniques and methods of construction differing
from those assumed to be used within the Rules for Special Service
Craft are proposed, details are required to be submitted for consideration.
3.2 For the purposes
of the Rules for Special Service Craft a 'plastic' is regarded as
an organic substance which may be thermosetting or thermoplastic and
which, in its finished state, may contain reinforcements or additives.
The quantities of such additives are strictly limited by the SSC Rules.
3.3 The resins
used in production are to be of a type which have been approved by
Clasifications Register (hereinafter referred to as LR) for marine construction
purposes. Samples of the resin batches being used in the construction
may require to be taken for limited quality control examinations.
3.4 All fibre reinforcements
are to be of a type approved by LR. The other materials used in the
construction of the craft are also to be manufactured and tested in
accordance with the requirements of the Rules for the Manufacture,
Testing and Certification of Materials (hereinafter referred
to as the Rules for Materials), of the SSC Rules, with particular
reference to Chapter 14 for plastic materials.