- A1.1.1
- Materials should be well-graded granular material with a uniformity coefficient greater than 10. Material must, at the time of compaction, be at an appropriate moisture content between +1% and -2% of the optimum moisture content as determined by BS 1377-4, Vibrating Hammer Method, Method 3.7, or must be acceptable when subjected to field identification test No.3.
- A1.1.2
- Materials must show a maximum Los Angeles coefficient of LA60 when tested in accordance with BS EN 1097-2.
- A1.1.3
- Modified Type 1F Unbound Mixture must comply with A10.1.
Skip to main content
