When making changes to an existing plumb system like the water flushing or drainage
system a plumbing design will help the plumber to easily make the alterations or repair. Often the hard copy of all plumbing systems and drainage pipeline diagrams are more important that a plumber can easily understand these structures. When starts a building construction work the basic elements of all types of plumbing systems include the sewer, rain water, domestic water supply, and other waste disposal systems etc are to be determined for designing a good quality and safety plumb system. The main goal of a good designed plumbing structure is to ensure the smooth functioning and security of all these plumbing systems and its basic elements.