Classes Of Coarse Aggregates

2019929section 812 crushed rock for pavement base and subbase this section crossreferences sections 175, 304, 801, 818 and 82020 mm nominal size classes 1 and 2 base, 20 mm and 40 mm nominal size, class 3 subbase and mixture passing the 4 mm sieve and coarse aggregates shall be the portion of the crushed rock.

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