Trinity Contractors, Inc 3/1/2017

1 1 042 as part of the mix design submittal for approval on the QPL. 2 Account for the reduction in asphalt binder contributed from RAS I3 in accordance with AASHTO PP 78. Do not add to these 4 stockpiles after starting the mix design process. 5 I Table 3 Test Frequency of RAP/RAS During RAP/RAS Stockpile Construction For Approving a High RAP/Any RAS Mix I Design for Placement on the QPL Test FrequencyTest for Test Method • 1/1000 tons of I RAP (minimum Asphalt Binder FOP for AASHTO T of 10 per mix Content and Sieve 308 design) and Analysis of Fine and ' • 1/100 tons of and Coarse FOP for WAQTC T RAS (minimum Aggregate 27/T 11 of 10 per mix I design) '"tons", in this table, refers to tons of the reclaimed material before being incorporated into HMA. 6 I7 4. Limit the amount of RAP and/or RAS used in a High RAP/Any 8 RAS mix design by the amount of binder contributed by the RAP 9 and/or RAS, in accordance with Table 4. 1 10 Table 4 Maximum Amount of RAP and/or RAS in HMA Mixture IMaximum Amount of Binder Contributed from: RAP RAS 40%1 minus contribution of Calcul200/2 I binder from RAS ' ated as the weight of asphalt binder contributed from the RAP as a percentage of the total weight of asphalt binder in the I mixture. 2 Calculated as the weight of asphalt binder contributed from the RAS as a percentage of the total weight of asphalt binder in the I11 mixture. 12 5. Develop the mix design including RAP, RAS, recycling agent, I 13 14 and new binder. 15 6. Extract, recover, and test the asphalt residue from the RAP and I 16 RAS stockpiles to determine the percent of recycling agent 17 and/or grade of new asphalt binder needed to meet but not 18 exceed the performance grade (PG) of asphalt binder required 19 by the Contract. 1 20 21 a. Perform the asphalt extraction in accordance with AASHTO 22 T 164 or ASTM D 2172 using reagent grade ' 23 trichloroethylene. 24 I I AMENDMENTS TO THE 2016 STANDARD SPECIFICATIONS BOOK Revised: 8/1116