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CITY OF EVERETT SPECIAL PROVISIONS <br />At or prior to the preconstruction meeting, the contractor shall provide <br />one of the following mix design verification certifications for Contracting <br />Agency review; <br />1. The proposed mir. 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 certfication (stamp 8 signature) of a valid licensed <br />Washington State Professional Engineer. <br />3. The proposed mix design by a qualified City or County �aboratory <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 Laboretory 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. Acceptaole anti-strip evaluations include 1.) <br />a WSDOT validated mix design showing the validated �nti-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 Ager�cy approval of the <br />Contractor provided mix design. <br />5-04.3(7�A3 Field VeriTication Testing Process <br />The City will collect three Production Samples cf !-iMA 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 within the <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 tasts 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 />�Ave Detention Pond Retrofit Division 5- SURFACE TREATMENTS AND PAVEMENTS December 31, 2014 <br />lY0 No. - UP3531 3P -134 <br />