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i , <br /> 2 Class 1 Class 2 <br /> 3 Percent Passing F'ercent Passing <br /> 4 Sieve Size Min. Max. Min. Max. <br /> 5 3/8" square 100 ��� <br /> 6 U.S. No. 4 95 100 35 100 <br /> � 7 U.S. No. 8 68 86 ..— _— <br /> 8 U.S. No. 16 47 65 45 BQ <br /> g U.S. No. 30 27 42 __ ___ <br /> 10 U.S. No. 50 9 20 10 30 <br /> 1 i U. S. No. 100 0 7 z 10 <br /> t 12 ' U. S. No. 200 0 2.5 0 2.5 <br /> I 13 <br /> 14 For fine aggregate Class 1, individual test variations under the minimum or over I <br /> ( 15 the maximum will be permitted as follows, provided the average of three <br /> i 6 consec�tive Yests is within the specificat;on limits: <br /> 17 <br /> I �g Permissible Percent of Variation <br /> 1 g Number of Sieve in Individuai Tests <br /> 20 U.S. No. 30 2 <br /> 21 U.S. Nn. 50 0.5 <br /> ! 22 <br /> �3 Within th; gradation limits for fine aggregate Class 2, uniiormity of g�adation <br /> 24 sr�ai, be limitec: t� a r�nge of �.'us or minus 0.20 of the reference finenes:; <br /> ! 25 modul��. Th�a reference fineness modulus shall be detertnined from a <br /> � 26 representative sampte from the proposed source as submitted by the <br /> 27 Contractor. <br /> 28 <br /> I 2g 9-03.1(3) Vacant <br /> 30 <br /> ' 31 9-03.1(4) Coarse Aggregate for Portland Cement Concrete <br /> � 32 Coarse aggregate for concrete shall consist of gravel, crushed stone, ar other <br /> 33 inert material or combinations thereof having hard, strong, durable pieces frr�e <br /> 34 from adherent coatings. Coarse aggregate shall be wasyed to remove ciay, silt, <br /> 35 bark, sticks, alkali, organic matter, or other deleterious material. <br /> 36 <br /> 37 9-03.1(4)A Deleterious Substances <br /> � 36 The amount of deleterious substances shal! not exceed ths following values: <br /> 39 <br /> I 40 Amuunt finer than U.S. No. 2G0 1.00 percent by weic�ht <br /> 41 Pieces of specific gravity less than 1.95 2.00 percent by weight <br /> 42 Clay lumps 0.50 percent by weight <br /> I 43 Shale 2.00 percent by weight <br /> 44 Wood waste 0.05 percent by weight <br /> 45 <br /> 46 For coarse aggregate with a minimum single tace fracture content of 25 percent <br /> 47 by weight, the material finer than the U.S. No. 200 sieve may increase to a <br /> 48 maximum of 1.5 percent by weight. Fracture shall be determined in accordance <br /> 49 with WSDOT Method 103 for each specification screen size U.S. No. 10 znd <br /> 50 above which retains m�re than 5 percent of the 4otal sampie. <br /> ENGLISH AMENDMENTS DIVISION 9 03.AP9 <br /> .IUNE 8. 1998 Page 2 <br /> I <br />