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3.3.1 The design conditions of the fibre reinforced plastic equipment and piping provided by the client shall include the following contents：
1 Components and characteristics of medium；
2 Operating parameters such as working pressure，working temperature，liquid level，velocity and branch load；
3 Process description；
4 Geometric parameters，nozzle orientation and support type；
5 Natural conditions such as ambient temperature，seismic fortification intensity，wind and snow loads，etc.；
6 Other conditions.
3.3.2 Before manufacturing fibre reinforced plastics equipment and piping，the manufacturer shall have design documents such as design task sheets，calculation sheets，design drawings，design specifications，etc.
3.3.3 The following contents shall be included in the design drawing and the design specifications：
1 Name and classification of project，major regulations，specifications and product standards for design and manufacture；
2 Working pressure，working temperature，composition，characteristics，velocity，toxicity and explosion hazard of the medium；
3 Design temperature，design pressure and wind，snow and earthquake loads；
4 Types，grades and specifications of main raw materials；
5 Main characteristic parameters and deviation control range of equipment diameter，height，volume，pipe diameter，length and so on；
6 Layer sequence，number of layers，thickness and deviation control range of fibre reinforced plastics equipment and piping；
7 Accessories such as lifting lug，strut and ladder；
8 Location of nameplates for fibre reinforced plastics equipment and piping；
9 Packaging，transportation and installation requirements；
10 Testing requirements.