The Brew Cabin

First of all, sorry if this is a very simple / stupid question. But here goes anyway. I am laying a new block driveway, and wish to incorporate a linear drain on the garage door threshold. The driveway is completely flat left to right, so how do I incorporate a gradient into the linear drain, such that the surface grating is always level with the driveway. Do I simply lay the drain flat, and just rely on the rising water level in the drain to provide a gradient? Any advice gratefully received, be gentle !!

I think you should be fine laying the Linear channel level, bearing in mind the short overall length it will be.
Regards
Gary

Thanks for the reply, the overall length of the drain should be no more than 5 meters (it is a double garage door) I guess this is still OK ? I'm assuming this by looking at the suggestion that the fall should be at least a 1:100 gradient. Taking into account that the drain is 100 mm (10 cm) deep, then over 5 meters (500 cm) this would equate to a gradient of 1:50 before the drain overflowed. Does this seem sensible?

The problem with not having a gradient is that sludge doesn't get flushed away. It just means more work swilling it out occasionally - but you can do that when you're washing the car!

Thanks for the posts, my mind is now at rest!