Interface control document. An interface control document (ICD) in systems engineering and software engineering, provides a record of all interface information (such as drawings, diagrams, tables, and textual information) generated for a project.
How well do you know your pipe flanges? Remember that flanges come in a variety of shapes and sizes to suit different applications. A flange is usually in the shape of a disc and is used to connect two tubes together or to connect a pipe to a valve, tee, choke or other component. Providing support and strength, two flanges are typically attached to pipe ends with a gasket in between.
A broken flange, usually on the outside of the slot that holds the toilet flange bolt (Photos 3 â 6). A flange that's too low. That includes any flange that's more than 1/4 in. below the finished floor (Photos 7 and 8). Rot around the toilet flange (Photos 9 and 10). Simple wax ring failure.