Subject to where you are from, different countries have different terms for "storm drain".
Accordingly to Wikipedia, a storm drain is basically a tunnel that carry runoffs (rain) from urban areas. For a layman, it helps to think along the line of sewage system that functions beneath our cities.
In the US, this is actually also known as "storm drain" or "storm sewer".
In great britan, this is often called "surface concrete drain covers water drain" or "surface water sewer".
In Australia and New Zealand, it is popularly known as "stormwater drain".
And there it is, when you hear someone mentioning "storm drain", "storm sewer", "surface water drain","surface water sewer" and "stormwater drain", you now know they drain grills refer to the same thing.
Functions of storm drain include draining excess water (rain or storm water) and ground water from pavement, streets and carparks into rivers and streams to avoid flooding.
Although storm drains perform a amazing job of drainage grating draining excess water from the urban areas, the inlets are essentially openings where left uncovered could be a hazard to pedestrians. Left uncovered, rubbish will go into the storm drains and cause choking which can eventually cause flooding.
In order to ensure storm drains serve their purposes while minimizing the risks posed to pedestrians and to prevent choking of the drains, drain covers (gratings) are employed to cover the inlets (openings) of the storm drains to accomplish the two purposes.
At Jonite, we concentrate driveway drainage grate on steel reinforced drain covers (gratings) for your storm drains while preserving the aesthetic aspects of the architecture around the drain covers.
What is a channel drain?
A channel drain is largely exactly the same thing as the trench drain. In reality, there are numerous names such as line drain, slot drain, linear drain or strip drain which all refer to the identical object.
A channel drain (trench drain) is a kind of floor drain that has a channel shaped body identified by its long length and narrow width.
Channel drains (trench drains) are usually mistaken for french drains. It is advisable to remember that patio drain grate french drains aren't the same as channel or trench drains.
With any type of drains, channel drains (trench drains) too require a cover to serve as a safety precaution and to prevent large objects from entering the drains which cause choking.
At Jonite, we concentrate on steel reinforced channel (trench) grates (channel / trench covers) that gives you with the best of steel in its' durability and strength as well as natural splendor of stone that is definitely unmatched by another material you'll find to construct channel (trench) grates.
Check out our range of channel grates (trench grates) here.
Link to: http://www.jonite.us/products/channel-grates