Headwalls
Headwall
This is a structure that forms an entrance to an underground pipe or culvert. Usually, it is a wall built around the upper end of the conduit with side walls or wingwalls that guide flows into the conduit. In DRAINS, headwalls are used where an open ...
Headwall drawing tool
This tool, , allows you to draw a headwall in the Main Window. When you click on this tool, the arrow cursor changes to a pencil. Click the cursor on the point where the headwall is to be inserted, and the headwall symbol will occur. To enter data, ...
Headwall property sheet
Headwalls can be used in cases where an open channel enters a pipe and overflows can occur over the top of the headwall. The inputs to the property sheet for a headwall consist of its name (of up to 10 characters), an entrance loss factor and an ...