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CITY OF EVERETT SPECIAL PROVISIONS <br /> 1. The proposed mix design indicated on a WSDOT mix <br /> design/anti-strip report that is within one year of the approval <br /> date <br /> 2. The proposed HMA mix design submittal (Form 350-042) with <br /> the seal and certification (stamp & signature) of a valid licensed <br /> Washington State Professional Engineer. <br /> 3. The proposed mix design by a qualified City or County laboratory <br /> mix design report that is within one year of the approval date. <br /> The mix design will be performed by a lab accredited by a national <br /> authority such as Laboratory Accreditation Bureau, L-A-B for <br /> Construction Materials Testing, The Construction Materials Engineering <br /> Council (CMEC's) ISO 17025 or AASHTO Accreditation Program (AAP) <br /> and shall supply evidence of participation in the AASHTO Material <br /> Reference Laboratory (AMRL) program. <br /> At the discretion of the Engineer, agencies may accept mix designs <br /> verified beyond the one year verification period with a certification from <br /> the Contractor that the materials and sources are the same as those <br /> shown on the original mix design. <br /> Evaluation of anti-strip additives are to be provided as part of the mix <br /> design acceptance criteria. Acceptable anti-strip evaluations include 1.) <br /> a WSDOT validated mix design showing the validated anti-strip additive <br /> and dosage 2.) an historic anti-strip determination from WSDOT not <br /> greater than two (2) calendar years old or 3.) a passing TSR test at the <br /> anti-strip dosage proposed by the Contractor. ' <br /> No paving shall begin prior to Contracting Agency approval of the <br /> Contractor provided mix design. <br /> 5-04.3(7)A3 Field Verification Testing Process , <br /> The City will collect three Production Samples of HMA on the first day of <br /> paving per AASHTO T 168 sampling procedures. <br /> a. The City will test one Production Sample in accordance with 5- <br /> 04.3(8)A for field verification per the requirements of 9-03.8(7). <br /> b. if the test results from the first Production Sample are withinthe <br /> tolerances of 9-03.8(7), the mix design will be considered verified <br /> and the test results will be used as acceptance sample number one. <br /> c. If the test results from the first Production Sample are outside the <br /> tolerances of 9-03.8(7), the other two samples will be tested and the <br /> results of all three tests will be used for acceptance in accordance <br /> with 5-04.5(1) and will be used in the calculation of the CPF the <br /> maximum CPF shall be 1.00. <br /> Prior to the first day of paving, six Ignition Furnace Calibration Samples shall <br /> be obtained to calibrate the Ignition Furnaces used for acceptance testing of <br /> the HMA. Calibration samples shall be provided by the Contractor when <br /> directed by the Engineer. Calibration samples shall be prepared in <br /> accordance with WSDOT SOP 728. <br /> Alverson Stormwater Separation February 2019 <br /> WO No. - UP3660 Division 5—SURFACE TREATMENTS AND PAVEMENTS <br /> SP - 146 <br />