Planning - The first stage is planning. The plan is developed after much research and analysis is done on the population growth of a certain city and also what kind of activities are going to happen there. 2. Design - After planning comes design. The design includes building structures like buildings, roads, bridges, tunnels, sewerage systems etc. 3. Construction - Construction involves building structures such as buildings, roads, bridges, tunnels, sewerage systems etc. 4. Maintenance - After construction comes maintenance. Maintenance involves maintaining roads, buildings, bridges, sewerage systems etc. 5. Demolition - This stage involves demolishing any existing structures that are no longer required in a city. 6. Redevelopment - This stage involves changing an old city into a new one by changing some components like streets, waterways, building structure etc. 7. Deconstruction - This stage involves removing old buildings from a city and converting them into landfill sites. 8.