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I <br /> 1 5-04.2(1) How to Get an HMA Mix Design on the QPL <br /> 2 The last bullet in the first paragraph is revised to read: <br /> 1 3 <br /> 4 • Do not include HMA additives that reduce the optimum mixing temperature or serve <br /> 5 as a compaction aid when developing a mix design or submitting a mix design for <br /> 6 QPL evaluation. The use of HMA additives is not part of the process for obtaining <br /> 7 approval for listing a mix design on the QPL. Refer to Section 5-04.2(2)B. <br /> 8 <br /> 9 In the table, "WSDOT Standard Practice QC-8" is revised to read "WSDOT Standard Practice <br /> 10 QC-8 located in the WSDOT Materials Manual M 46-01". <br /> 11 <br /> 12 5-04.2(1)C Mix Design Resubmittal for QPL Approval <br /> ' 13 Item number 3 of the first paragraph is revised to read: <br /> 14 <br /> 15 3. Changes in modifiers used in the asphalt binder. <br /> I 16 <br /> 17 5-04.2(2)B Using Warm Mix Asphalt Processes <br /> 18 This section, including title, is revised to read: <br /> I 19 <br /> 20 5-04.2(2)B Using HMA Additives <br /> 21 The Contractor may, at the Contractor's discretion, elect to use additives that reduce the <br /> 22 optimum mixing temperature or serve as a compaction aid for producing HMA. Additives <br /> 23 include organic additives, chemical additives and foaming processes. The use of <br /> 24 Additives is subject to the following: <br /> ' 25 <br /> 26 • Do not use additives that reduce the mixing temperature in accordance with <br /> 27 Section 5-04.3(6) in the production of High RAP/Any RAS mixtures. <br /> 28 <br /> 29 • Before using additives, obtain the Engineer's approval using WSDOT Form 350- <br /> 30 076 to describe the proposed additive and process. <br /> 31 <br /> 32 5-04.3(3)A Mixing Plant <br /> 33 In item number 5 of the first paragraph, "WSDOT T 168" is revised to read "FOP for AASHTO <br /> 34 T 168". <br /> 35 <br /> 36 5-04.3(4) Preparation of Existing Paved Surfaces <br /> 37 The first sentence of the fourth paragraph is revised to read: <br /> ' 38 <br /> 39 Unless otherwise allowed by the Engineer, use cationic emulsified asphalt CSS-1, CSS- <br /> 40 1h, or Performance Graded (PG) asphalt for tack coat. <br /> 41 <br /> 42 5-04.3(6) Mixing <br /> 43 The first paragraph is revised to read: <br /> ' 44 <br /> 45 The asphalt supplier shall introduce recycling agent and anti-stripping additive, in the <br /> 46 amount designated on the QPL for the mix design, into the asphalt binder prior to <br /> 47 shipment to the asphalt mixing plant. <br /> 48 <br /> 49 The seventh paragraph is revised to read: <br /> 50 <br /> I <br />