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�l <br /> k� <br /> that the minimum rubber requirements are met. Use the unit weight per gallon for the various <br /> types of asphalt rubber binder shown in Table 336 - 1 for the calculations . <br /> 2 . Record the weight of the ground tire rubber used and the number of <br /> gallons of asphalt binder used. Calculate the percentage of rubber used and confirm that the <br /> minimum rubber requirements are met . <br /> 3364 Use of Excess Asphalt Rubber. <br /> The Contractor may use excess asphalt rubber in other asphalt concrete mixes requiring <br /> the use of a PG 67 -22 binder by blending with straight PG 67 -22 binder so that the total amount <br /> of ground tire rubber in the binder is less than 2 . 0% . The Contractor may use excess asphalt <br /> rubber in asphalt concrete mixtures requiring the use of a recycling agent in a recycled mixture <br /> by blending with a recycling agent in such proportions that the total amount of ground tire rubber <br /> in the recycling agent is less than 1 . 0% . <br /> 336-7 Certification Requirements for Blending at Suppliers Terminal : <br /> Where blending the asphalt rubber binder at the supplier ' s terminal , the supplier shall <br /> furnish certification on the bill of lading for each load delivered to the project site or asphalt <br /> plant that includes : the quantity of asphalt rubber binder, the asphalt rubber binder type , the <br /> customer name, the delivery location, and a statement that the asphalt rubber binder has been <br /> produced in accordance with and meets the requirements of Section 336 . In addition, include, <br /> with the certification, copies of the certifications for the asphalt binder and ground tire rubber, as <br /> specified in 9164 . 3 . 6 and 919- 6 , respectively. <br /> 336-8 Basis of Payment. <br /> Payment for Asphalt Rubber Binder will be included in Sections 337 and 341 , as <br /> appropriate . <br /> 337 ASPHALT CONCRETE FRICTION COURSES . <br /> (REV 7-2940) (FA 84640) (141 ) <br /> SECTION 337 (Pages 294 - 304) is deleted and the following substituted : <br /> SECTION 337 <br /> ASPHALT CONCRETE FRICTION COURSES <br /> 337- 1 Description . <br /> Construct an asphalt concrete friction course pavement with the type of mixture specified <br /> in the Contract, or when offered as alternates , as selected. This Section specifies mixes <br /> designated as FC- 5 , FC - 9 . 5 , and FC - 12 . 5 . <br /> Meet the plant and equipment requirements of Section 320 , as modified herein . Meet the <br /> general construction requirements of Section 330 , as modified herein . <br /> 337-2 Materials . <br /> 337-2 . 1 General Requirements : Meet the requirements specified in Division III as <br /> modified herein . The Engineer will base continuing approval of material sources on field <br /> - 101 - <br /> FPID ( S ) : 423186 - 1 - 58 - 01 <br /> 4 <br />