1980-06-30 Special Called Meeting

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• The percent of wear, as determined by Test Method Tex-~+10-A, for each of the materials shall not exceed 3S percent. • The percent of wear, on natural limestone rock asphalt aggregate ' as determined by Test Method Tex-410-A shall be made on that por- tion of the material retained on the No. 4 sieve, having a naturally impregnated asphalt content of less than 1 percent. Crushed gravel shall have a minimum of 8S percent of the particles retained on the No. 4 sieve with at least one crushed face, as determined by Test Method Tex-413-A. The precoat material shall meet the requirements for "Precoat riat- erials" as specified in the Item, "Asphalts, Oils and Emulsions". The flux oil shall meet the requirements for "Flux Oil" as specified in the Item, "Asphalts, Oils and Emulsions". Types. The various types of precoated aggregates are identified as follows: Type PA. Type PA shall be precoated aggregate consisting of gravel, crushed slag, crushed stone or natural limestone rock asphalt. Type PB. Type PB shall be precoated aggregate consisting of crushed gravel, crushed slag, crushed stone or natural limestone rock asphalt. Type PC. Type PC shall be precoated aggregate consisting of • gravel, crushed slag or crushed stone. Type PD. Type PD shall be precoated aggregatf_ consisting of crushed gravel, crushed slag or crushed stone.' Type PE. Type PE shall be precoated aggregate consisting of natural limestone rock asphalt. Grades. When tested by Test Method Tex-200-F, Part 1, the gradation requirements for the several grades of aggregate shall be as follows: Percent by Weight Grade 1: Retained on 1" sieve. p Retained on 7/8" sieve. 0_2 ~ ~ ~ Retained on 3/4" sieve. ?_0-35 ~ Retained on S/8" sieve. .85-100 ~ ~ Retained on 3/8" sieve. .95-100 Retained on No. 10 sieve. .99-100 Grade 2: Retained on 7/8" sieve. 0 ~ ~ ~ ~ ~ ~ Retained on 3/4" sieve. ;j_2 ~ ~ Petained on S/8" sieve. ?_0-35 ~ Retained on 1/2" sieve. .85-100 ~ ~ ~ Retained on 3/8" sieve. .9S-L00 • Retained on No. 10 sieve. .99-100 Grade 3: Retained on 3/4" sieve. 0 Retained on S/8" sieve. 0-5 ~ 24)