- Preparation of the surface through the removal of stones and other materials not congruent with the site from the sides and from the top of the soil covering;
- Assessment of the anchorages of the existing plastic gratings and affixing of new wooden pegs in the ratio of at least one anchorage every 4 sq.m;
- Addition of sandy soil material on the whole surface, in the ratio of an average contribution of 5-10 cm, placing the material on high points and spreading it downhill manually with rakes, so as to obtain on the whole surface at least two feet of soil covering;
- Sowing by hand of the whole surface.
