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. • <br />The percent of wear, as determined by Test Method Tex-410-A, for <br />each of the materials shall not exceed 35 percent. <br />The percent of wear, on natural limestone rock asphalt aggregate <br />as determined by Test Method Tex-410-A shall be made on that por- <br />tion of the material retained on the No. 4 sieve, having a naturally <br />impregnated asphalt content of less than 1 percent. <br />Crushed gravel shall have a minimum of 85 percent of the particles <br />retained on the No. 4 sieve with at least one crushed face, as <br />determined by Test Method Tex-4I3-A. <br />The precoat material shall meet the requirements for "Precoat Mat- <br />erials" as specified in the Item, "Asphalts, Oils and Emulsions". <br />The flux oil shall meet the requirements for "Flus Oil" as specified <br />in the Item,. "Asphalts, Oils and Emulsions". <br />Types. The various types of precoated aggregates are identified as <br />follows: <br />Type PA. Type PA shall be precoated aggregate consisting of <br />gravel, crushed slag, crushed stone or natural limestone rock asphalt. <br />Type PB, Type PB shall be precoated aggregate consisting of <br />crushed gravel, crushed slag, crushed stone or natural limestone rock <br />asphalt. <br />Type PC. Type PC shall be precoated aggregate consisting of <br />gravel, crushed slag or crushed stone. <br />Type PD. Type PD shall be precoated aggregate consisting of <br />crushed gravel, crushed slag or crushed stone. <br />Type PE, Type PE shall be precoated aggregate consisting of <br />natural limestone rock asphalt. <br />Grades. When tested by Test Method Tex-200-F, Part 1, the gradation <br />requirements for the several grades of aggregate shall use as follows: <br />Percent by Weight <br />Grade 1: Retained on 1" sieve.. 0 <br />Retained on 7/8" sieve. 0-2 <br />Retained on 3/4" sieve. ?.0-35 <br />Retained on 5/8" sieve. .85-100 <br />Retained on 3/8" sieve. .95-100 <br />Retained on No. 10 sieve. .99-100 <br />Grade 2: Retained on 7/8" sieve. 0 <br />Retained on 3/4" sieve. 0-2 <br />Retained on 5/8" sieve. 20-35 <br />Retained on 1/2" sieve. .85-100 <br />Retained on 3/8" sieve. .95-100 <br />Retained on No. 10 sieve. .99-100 <br />Grade 3: Retained on 3/4" sieve. 0 <br />Retained on 5/8" sieve. 0-5 <br />(13) <br />