6.2 Safety Case Purpose and Context The requirements for this part of the safety case areas per section 4.2. 6.3 Non-production Installation 6.3.1 Position and Layout The requirements for the description of the layout of the Non-production Installation are the same as 4.3.1, except that the position of the Non-production Installation is not required as this varies from well to well. 6.3.2 Design Conditions The safety case must describe the environmental conditions for which the Non-production Installation has been designed and in which it may safely operate. If the Non-production Installation is operating offshore, the safety case will need to include marine conditions such as, current, waves, weather, depth of water in which the Non- production Installation can operate and seabed conditions.