bacfill materials crushed rocks 10mm

Backfilling materials 6.8.2. The materials used for backfilling for the purpose of this Specification must be as defined and designated in this clause. Type A (crushed rock and sands) Crushed rocks and sands permitted for backfilling Type A1 - 20 milllimetre VicRoads Class 2 crushed rock. Type A2 - 20 milllimetre VicRoads Class 3 crushed rock

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