FIELD: road construction.
SUBSTANCE: watertight band with cords-weights fastened (sewn) thereto is used to accelerate uniform ice buildup all over ice ferry area. For this aforesaid band with cord-float and cords-weights fastened thereto is downed via prepared through ice-hole oriented along said ferry across under-ice water current. Heavier weight is arranged at the distance, exceeding ice thickness, from the edge of band fixed on ice sheet surface.
EFFECT: higher reliability of ferry.
1 dwg
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