Paragraph 9 Works of civil engineering constructionF1
A work of civil engineering construction, including a dock, wharf, harbour, pier, quay, sea defence work, lighthouse, embankment, river work, dam, bridge, tunnel, filter station or bed, inland navigation, reservoir, water works, pipe line, sewage treatment works, gas holder or main, electricity supply line and supports, any bridge embankment or other support to railway lines and any signalling or power lines and supports and a fire practice tower. Except–A bridge or tunnel forming part of an escape route or an access route provided to meet a requirement of these Regulations. A private sewage treatment works provided to meet a requirement of these Regulations.