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<br />Fulton Street Pedestrian Bicycle Corridor PAGE 86 OF 114 CONTRACT <br />FEDERAL AID # TAP-0420(026) <br />WO #3785 September 6, 2024 <br /> <br />will also be the Upper Specification Limit (USL) and Lower Specification Limit 1 <br />(LSL) required in Section 1-06.2(2)D2 2 <br />Property Non-Statistical Evaluation Commercial Evaluation <br />Asphalt Binder +/- 0.5% +/- 0.7% <br />Air Voids, Va 2.5% min. and 5.5% max N/A <br />For Aggregates in the mixture: 3 <br />a. First, determine preliminary upper and lower acceptance limits by applying the 4 <br />following tolerances to the approved JMF. 5 <br />Aggregate Percent <br />Passing <br />Non-Statistical <br />Evaluation <br />Commercial <br />Evaluation <br />1”, ¾”, ½”, and 3/8” sieves +/- 6% +/- 8% <br />No. 4 sieve +/-6% +/- 8% <br />No. 8 Sieve +/- 6% +/-8% <br />No. 200 sieve +/- 2.0% +/- 3.0% <br />b. Second, adjust the preliminary upper and lower acceptance limits determined 6 <br />from step (a) the minimum amount necessary so that none of the aggregate 7 <br />properties are outside the control points in Section 9 -03.8(6). The resulting 8 <br />values will be the upper and lower acceptance limits for aggregates, as well as 9 <br />the USL and LSL required in Section 1 -06.2(2)D2. 10 <br />2. Job Mix Formula Adjustments – An adjustment to the aggregate gradation or 11 <br />asphalt binder content of the JMF requires approval of the Engineer. Adjustments 12 <br />to the JMF will only be considered if the change produces material of equal or 13 <br />better quality and may require the development of a new mix design if the 14 <br />adjustment exceeds the amounts listed below. 15 <br />a. Aggregates –2 percent for the aggregate passing the 1½″, 1″, ¾″, ½″, ⅜″, and 16 <br />the No. 4 sieves, 1 percent for aggregate passing the No. 8 sieve, and 0.5 17 <br />percent for the aggregate passing the No. 200 sieve. The adjusted JMF shall 18 <br />be within the range of the control points in Section 9 -03.8(6). 19 <br />b. Asphalt Binder Content – The Engineer may order or approve changes to 20 <br />asphalt binder content. The maximum adjustment from the approved mix 21 <br />design for the asphalt binder content shall be 0.3 percent 22 <br /> 23 <br />5-04.3(9)A Vacant 24 <br /> 25 <br />5-04.3(9)B Vacant 26 <br /> 27 <br />5-04.3(9)C Mixture Acceptance – Nonstatistical Evaluation 28 <br />HMA mixture which is accepted by Nonstatistical Evaluation will be evaluated by the 29 <br />Contracting Agency by dividing the HMA tonnage into lots. 30 <br /> 31 <br />5-04.3(9)C1 Mixture Nonstatistical Evaluation – Lots and Sublots 32 <br />A lot is represented by randomly selected samples of the same mix design that will be 33 <br />tested for acceptance. A lot is defined as the total quantity of material or work produced 34 <br />for each Job Mix Formula placed. Only one lot per JMF is expected. A sublot shall be 35 <br />equal to one day’s production or 800 tons, whichever is less except that the final sublot 36 <br />will be a minimum of 400 tons and may be increased to 1200 tons. 37 <br /> 38 <br />All of the test results obtained from the acceptance samples from a given lot shall be 39 <br />evaluated collectively. If the Contractor requests a change to the JMF that is approved, 40