A scruffy dome is a steel grille that is placed over the inlet of a

manhole A manhole (utility hole, maintenance hole, or sewer hole) is an opening to a confined space such as a shaft (civil engineering), shaft, utility vault, or large container, vessel. Manholes, typically protected by a manhole cover, are often used ...

, and is usually dome shaped. They function as a way for

stormwater Stormwater, also written storm water, is water that originates from precipitation (storm), including heavy rain and meltwater from hail and snow. Stormwater can soak into the soil ( infiltrate) and become groundwater, be stored on depressed lan ...

to enter the pipe network without allowing larger debris in, such as people or animals. Scruffy domes are usually placed in

parks A park is an area of natural, semi-natural or planted space set aside for human enjoyment and recreation or for the protection of wildlife or natural habitats. Urban parks are green spaces set aside for recreation inside towns and cities. N ...

and

wetlands A wetland is a distinct semi-aquatic ecosystem whose groundcovers are flooded or saturated in water, either permanently, for years or decades, or only seasonally. Flooding results in oxygen-poor ( anoxic) processes taking place, especially ...

, and are usually made with

galvanised steel Hot-dip galvanization is a form of galvanization. It is the process of coating iron and steel with zinc, which alloys with the surface of the base metal when immersing the metal in a bath of molten zinc at a temperature of around . When expos ...

References

Civil engineering {{Civil-engineering-stub