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I <br /> I <br /> 2" 95 - 100 100 <br /> 1-1/2" - - 95 - 100 100 <br /> I <br /> 1-1/4" 55 - 75 - - - <br /> 1" - 55 - 75 - 90 - 100 I 100 <br /> 3/4" - - 55 - 75 - 90 - 100 <br /> I1/2" - - - 55 - 75 - <br /> 3/8" - - - - 55 - 75 <br /> 1/4" 30 -45 30 - 45 35 - 50 40 - 55 40 - 60 <br /> 1 No. 4* - - - <br /> No. 10 1 1 I 1 1 <br /> Of the fraction passing the 1/4 inch sieve, 40% to 60% shall pass the No. 10 <br /> II <br /> sieve. <br /> * Report percent passing sieve when no grading requirements are listed. <br /> 1 4. Fracture of Rounded Rock: <br /> a. Determined according to AASHTO TP61. <br /> I b. Provide at least one fractured face based on the following percentage of particles <br /> retained on the 1/4-inch sieve for the designated size: <br /> I Minimum%of Fractured Particles <br /> by Weight of Material <br /> Designated Size Retained on 1/4-Inch Sieve <br /> I <br /> 1 1/2"—0 and larger 50 <br /> Smaller than 1 1/2"—0 70 <br /> I5. Durability: <br /> a. Crushed rock aggregate shall meet the following durability requirements: <br /> ITest Test Method Requirements <br /> Abrasion AASHTO T 96 35.0%maximum <br /> I Degradation ODOT TM 208 30.0%maximum <br /> (Coarse Aggregate) <br /> Passing No. 20 Sieve, ODOT TM 208 3.0"maximum <br /> ISediment Height <br /> 6. Sand Equivalent -- Crushed rock aggregate will be tested according to AASHTO T 176, <br /> and shall have a sand equivalent of not less than 50. <br /> IB. Coarse Aggregate Type A2, Granular Drain Backfill Material: Crushed or uncrushed rock or <br /> gravel as shown in the Drawings. <br /> I1. Material shall be clean and free-draining. <br /> 2. Sieve analysis shall be according to AASHTO T27. <br /> I3. Grading: Meeting the gradation requirements provided in Table 310516-B below. <br /> Table 310516-B <br /> Grading Requirements for Granular Drain Backfill Material <br /> ILegion Golf Course Stormwater Detention Project Aggregates for Earthwork <br /> WO#UP3620 31 05 16-3 <br />