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I <br /> 1 The Contracting Agency's combined aggregate bulk specific gravity (Gsb) blend as shown <br /> 2 on the HMA Mix Design will be used for VMA calculations until the Contractor submits a <br /> 3 written request for a Gsb test. The new Gsb will be used in the VMA calculations for HMA <br /> I4 from the date the Engineer receives the written request for a Gsb retest. The Contractor <br /> 5 may request aggregate specific gravity (Gsb) testing be performed by the Contracting <br /> 6 Agency twice per project. The Gsb blend of the combined stockpiles will be used to <br /> 7 calculate voids in mineral aggregate (VMA) of any HMA produced after the new Gsb is <br /> 8 determined. <br /> 9 <br /> I10 5-04.3(9)A1 Test Section — When Required, When to Stop <br /> 11 The following new row is inserted after the second row in Table 9: <br /> 12 <br /> VMA Minimum PF; of 0.95 None4 <br /> based on the criteria in <br /> Section 5-04.3(9)642 <br /> I13 <br /> 14 5-04.3(9)A2 Test Section — Evaluating the HMA Mixture in a Test Section <br /> 15 In Table 9a, the test property "Gradation, Asphalt Binder, and Va" is revised to read "Gradation, <br /> a16 Asphalt Binder, VMA, and Va" <br /> 17 <br /> 18 In Table 9a, the first column of the third row is revised to read: <br /> I 19 <br /> Aggregates: <br /> Sand Equivalent <br /> Uncompacted Void Content <br /> Fracture <br /> 20 <br /> 21 5-04.3(9)63 Mixture Statistical Evaluation — Acceptance Testing <br /> I22 In Table 11, "Va" is revised to read "VMA and Va" <br /> 23 <br /> 24 5-04.3(9)65 Mixture Statistical Evaluation — Composite Pay Factors (CPF) <br /> I25 The following new row is inserted above the last row in Table 12: <br /> 26 <br /> Voids in Mineral Aggregate 2 <br /> (VMA) <br /> I 27 <br /> 28 5-04.3(9)67 Mixture Statistical Evaluation — Retests <br /> I29 The second to last sentence is revised to read: <br /> 30 <br /> 31 The sample will be tested for a complete gradation analysis, asphalt binder content, VMA <br /> 32 and Va, and the results of the retest will be used for the acceptance of the HMA mixture in <br /> 33 place of the original mixture sublot sample test results. <br /> 34 <br /> I35 5-04.3(10)C1 HMA Compaction Statistical Evaluation — Lots and Sublots <br /> 36 The bulleted item in the fourth paragraph is revised to read: <br /> 37 <br /> 38 • For a compaction lot in progress with a compaction CPF less than 0.75 using an LSL = <br /> I39 91.5, a new compaction lot will begin at the Contractor's request after the Engineer is <br /> 40 satisfied that material conforming to the Specifications can be produced. See also <br /> in 41 Section 5-04.3(11)F. <br /> City of Everett Page AM-19 Amendments <br /> Everett Downtown Streetscape Improvement March 22, 2019 <br />