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' CITY OF EVERETT SPECIAL PROVISIONS <br /> f <br /> DIVISION 5 — SURFACE TREATMENTS AND PAVEMENTS <br /> ' 5-04 HOT MIX ASPHALT <br /> Delete 5-04 and substitute the following: <br /> 5-04.1 Description <br /> Work shall consist of providing and placing one or more layers of plant-mixed hot mix asphalt <br /> (HMA) on a prepared foundation or base in accordance with these Specifications and the <br /> lines, grades, thicknesses, and typical cross-sections shown in the Plans. The manufacture <br /> of HMA may include warm mix asphalt (WMA) processes in accordance with these <br /> Specifications. WMA processes include organic additives, chemical additives, and foaming. <br /> Provide HMA composed of asphalt binder and mineral materials as may be required, mixed <br /> in the proportions specified to provide a homogeneous, stable, and workable mixture. <br /> 5-04.2 Materials <br /> Provide materials meeting the requirements of the following sections: <br /> Asphalt Binder 9-02.1(4) Standard Specifications <br /> Cationic Emulsified Asphalt 9-02.1(6) Standard Specifications <br /> Anti-Stripping Additive 9-02.4 Standard Specifications <br /> HMA Additive 9-02.5 Standard Specifications <br /> ' Aggregates 9-03.8 Standard Specifications <br /> Recycled Asphalt Pavement 9-03.8(3)B Standard Specifications <br /> Mineral Filler 9-03.8(5) Standard Specifications <br /> Recycled Material 9-03.21 Standard Specifications <br /> Portland Cement 9-01 Standard Specifications <br /> Sand 9-03.1(2) Standard Specifications <br /> (As noted in 5-04.3(5)C for crack sealing) <br /> ' Joint Sealant <br /> Foam Backer Rod 9-04.2 Standard Specifications <br /> 9-04.2(3)A Standard Specifications <br /> The Contractor may use up to 20 percent RAP by total weight of HMA with no additional <br /> sampling or testing of the RAP. Sample and test the RAP at a frequency of one sample for <br /> every 1,000 tons produced and not less than two samples per project. Report the asphalt <br /> content and gradation test data to the City when submitting the mix design for approval on <br /> the QPL. Include the RAP as part of the mix design as defined in these Specifications. <br /> Provide the grade of asphalt binder as required by the Contract. Blending of asphalt binder <br /> from different sources is not permitted. <br /> The Contractor may only use warm mix asphalt (WMA) processes in the production of HMA <br /> with 20 percent or less RAP by total weight of HMA. Submit to the Engineer for approval the <br /> process that is proposed and how it will be used in the manufacture of HMA. <br /> For production of aggregates comply with the requirements of Section 3-01. <br /> For preparation of stockpile site, the stockpiling of aggregates, and the removal of aggregates <br /> from stockpiles comply with the requirements of Section 3-02. <br /> 5-04.2(1) How to Get an HMA Mix Design on the QPL <br /> If the contractor wishes to submit a mix design for inclusion in the Qualified Products <br /> ' List (QPL), please follow the WSDOT process outlined in Standard Specification 5- <br /> 04.2(1). <br /> I <br /> Watermain Replacement"U" Division 5—SURFACE TREATMENTS October 1, 2019 <br /> AND PAVEMENTS <br /> WO No.—UP3698 SP-147 <br />