Instructions for constructors

​​​​​​​​​​​​​​​​​​​​​​​​​​​​A construction project has many phases and cooperation partners. The building control departments of cities have the largest authority role. HSY counts you as a constructor, when you connect your property to the water services network and municipal waste management services.

​Constructor’s check-list​​​​​​​​​​​​​​​​