The guidance here is to help give you a greater understanding of overall design concepts, an appreciation of the technical issues involved, and the critical factors that you need to consider to find the right solution for your project.
We’ve also pointed to where there’s further information, advice and expertise, as well as providing benchmark examples.
While this guidance is not a regulation, it’s based on good practice and experience drawn from a significant number of successful projects. It sets out the minimum standards you should aim for to produce acceptable and best practice solutions.