FIELD: agriculture.
SUBSTANCE: cellar is represented by a caisson made of food-grade polyethylene by the rotational moulding method in the form of a cast product with vertical and horizontal stiffening ribs of trapezoidal cross-section. The cellar comprises means for supply ventilation, exhaust ventilation, and is equipped with a plastic cover for entry/exit.
EFFECT: increased device reliability and durability due to excluding seams and the presence of stiffening ribs, which provides the ability to withstand the groundwater pressure, does not require sand-cement backfill and formwork, excludes leaks.
4 cl, 2 dwg
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