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18TH STREET PEDESTRIAN IMPROVEMENTS 3741 RMT July 03, 2024 38 1 2 COE 5-04.RTF 3 5-04 Hot Mix Asphalt 4 (December 3, 2018 City of Everett based on APWA GSP) 5 6 Delete Section 5-04 and amendments, Hot Mix Asphalt and replace it with the following: 7 8 5-04.1 Description 9 This Work shall consist of providing and placing one or more layers of plant mixed hot 10 mix asphalt (HMA) on a prepared foundation or base in accordance with these 11 Specifications and the lines, grades, thicknesses, and typical cross-sections shown 12 in the Plans. The manufacture of HMA may include warm mix asphalt (WMA) processes 13 in accordance with these Specifications. WMA processes include organic additives, 14 chemical additives, and foaming. 15 16 HMA shall be composed of asphalt binder and mineral materials as may be required, 17 mixed in the proportions specified to provide a homogeneous, stable, 18 and workable mixture. 19 20 5-04.2 Materials 21 Materials shall meet the requirements of the following sections: 22 Asphalt Binder 9-02.1(4) 23 Cationic Emulsified Asphalt 9-02.1(6) 24 Anti-Stripping Additive 9-02.4 25 HMA Additive 9-02.5 26 Aggregates 9-03.8 27 Recycled Asphalt Pavement 9-03.8(3)B 28 Mineral Filler 9-03.8(5) 29 Recycled Material 9-03.21 30 Portland Cement 9-01 31 Sand 9-03.1(2) 32 (As noted in 5-04.3(5)C for crack sealing) 33 Joint Sealant 9-04.2 34 Foam Backer Rod 9-04.2(3)A 35 The Contract documents may establish that the various mineral materials required for 36 the manufacture of HMA will be furnished in whole or in part by the Contracting Agency. 37 If the documents do not establish the furnishing of any of these mineral materials by the 38 Contracting Agency, the Contractor shall be required to furnish such materials in the 39 amounts required for the designated mix. Mineral materials include coarse and fine 40 aggregates, and mineral filler. 41 42 The Contractor may choose to utilize recycled asphalt pavement (RAP) in the production 43 of HMA. The RAP may be from pavements removed under the Contract, if any, or 44 pavement material from an existing stockpile. 45 46