Grounds of sand, thickness 30 cm

270 rub/м2

The sand used in road works as a cushion under the base cover . Device base of sand should be carried out at the beginning of all other procedures for road paving different species. Before starting the unit base of sand must be checked and compacted natural soil. Then sand can be leveled graders , bulldozers and were transported to area roads by dump trucks . Sandy underlayment must be sealed using a machine or roller to impart the desired compaction factor . Work on building a foundation of sand in the winter can be complicated by freezing sand mass. To avoid this, make an attempt to processing 2- percent solution of calcium chloride per 1 sq.m.

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