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Double chipping single surface spraying

This superficial dressing consists in the application of one spray of binder followed by two spreading's of aggregate. The first aggregate with a subsequent light compaction and the second aggregate that is finer than the previous one, with a vigorous final compaction. This dressing is suitable for the improvement of the frictional coefficient on slippery surfacing, achieving a roughness and superficial drainage capacity similar to that obtained with single surface spraying.

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Double chipping single surface spraying