If an individual approach is used for watering specific plants, then for a simple grass or lawn, a general irrigation system is suitable. To make irrigation in your area, you can use polypropylene pipes.
For crafts, you need a simple plastic pipe, which is used for water supply of apartments. It makes no sense to take a pipe of large diameter, the thinnest will do. Water communications are laid in convenient places.
Irrigation occurs through holes drilled with a thin drill. Holes must be made at an angle to the surface for better spraying.