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aggregate base, subbase or shoulder material shall conform to the <br />following requirements: <br />' a. Gradation, Percent by Weight Passing Each Sieve. <br />2" Sieve <br />100 <br />' <br />3/4" Sieve <br />60-100 <br />No. 10 Sieve <br />30-55 <br />No. 60 Sieve <br />8-35 <br />' <br />No. 200 Sieve <br />5-20 <br />' Tests on Material Passing No. 10 Sieve Volume Change, Percent <br />0 -18 <br />' Test on Material Retained on 3/8 Sieve Soft Fragments, Percent <br />0 -30 <br />' 3. Method of tests shall be in accordance with the following: <br />Gradation AASHTO: T27 <br />' Volume Change GHD: 6 <br />Soft Fragments AASHTO: T -189 <br />D. Limerock Base Course: <br />1. Limerock shall comply with Section 911 of the Florida Department <br />' of Transportation Standard Specifications and shall not contain <br />cherty or other extremely hard pieces, or lumps, or balls or pockets <br />of sand material in sufficient quantity as to be detrimental to the <br />' proper bonding, finishing or strength of the limerock base. <br />2. Gradation and Size Limits: <br />At least 97 percent (by weight of the material shall pass a 3 -1/2 <br />inch sieve and the material shall be graded uniformly down to dust. <br />t The fine material shall consist of dust of fracture. All crushing or <br />breaking up which might be necessary in order to meet such size <br />requirements shall be done before the material is in place. <br />' E. Common Fill: <br />t 1. Common fill material shall be satisfactory soil material containing <br />no more than 20 percent by weight finer than No. 200 mesh sieve. <br />It shall be free from organic matter, muck, marl, and rock <br />exceeding 2 -1/2 inches in diameter. Common fill shall not contain <br />broken concrete, masonry, rubble or other similar materials. <br />I 2. Material falling within the above specification, encountered during <br />the excavation, may be stored in segregated stockpiles for reuse. <br />1 07106 02220 -6 05 -5564 <br />