Drainage For around concrete areas

Depending on the area you have will determand the amount of drainage if any required at all

If an area is of 30 sqr mtrs and bigger I would tend toPoint out for a drain exspecaly close to the house

If an intertaining Area is to be roofed and you require a dry area it's a good idea to have drainage of some sought

Types of drainage used is the all common aggy  drain That is generally black in colour and made of plastic and has a hundred of holes through out

Other types is the 300x300 mm sqr drain with a grated lid and looks like a pan and comes with a plastic and steel lids

The storm pit witch is used for aggy drains witch are connected to storm water

Sizes range from 300x300 sqr to 400 mm deep