15-20 cm thick.

— on a moisturized soil of the base pour crushed stone and fed it at least 4 cm;

-on the prepared base placed the underlying (lime-zeal) layer of 15-20 cm thick. The value of crushed stone should be 20-60 mm. Laying is carried out in two layers, each of which is aligned, tamped and additionally poured with a solution of lime (1: 4). To dry the foundation with a necessary condition, is the lack of moisture. The bases are made so that they rise above the blind area by an average of 13 cm;