316FLEXIBLE BASE REPLACEMENT

316.1DESCRIPTION —This work is replacing the existing pavement with Superpave Asphalt Mixture

Design, Base Course.

316.2MATERIAL—

• Base Course, 25.0 mm Mix. Section 313.2

316.3CONSTRUCTION—As shown on the Standard Drawings, as specified in Section 313 and as follows:

material within the saw cut or milled area to the depth indicated. Compact the existing subgrade or subbase before placing the base course material. If the surface of the subgrade or subbase is disturbed by the removal technique, recompact the surface using vibratory compactors. If remaining subgrade or subbase is not at original grade, place additional subbase and recompact to original grade. When directed, remove unsuitable subgrade or subbase material, and backfill as specified in Section 203.1(b) or Section 203.1(c). Clean all vertical surfaces of the area to be patched and coat the vertical faces with a uniform application of PG 64S-22. Place the asphalt base course in a manner that does not cause segregation and to the lift thickness indicated. Compact to the density specified by use of approved compaction equipment as specified in Section 108.05(c).

316.4MEASUREMENT AND PAYMENT—

Saw cutting, excavation to the depth indicated, hauling and disposal, subbase, asphalt tack coat, asphalt material, and sealing of the joints are considered as incidental.

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