Section 1917 Paving

The following words and terms shall, for the purposes of this section, have the meanings shown herein.

ASPHALT. A dark brown to black bitumen pitch that melts readily and which appears in nature in asphalt beds or is produced as a by-product of the petroleum industry.

ASPHALTIC CONCRETE or ASPHALT PAVING. A mixture of liquid asphalt and graded aggregate used as a paving material.

I-4 MIX. A type of heavy duty asphaltic concrete mix containing 0.75 inch (19 mm) nominal maximum size aggregate with 25 percent to 50 percent of the aggregate capable of passing through a No. 8 sieve and in which all sand contained in the mix is crushed.

RECLAIMED ASPHALT PAVEMENT. Asphalt pavement that has been processed for reuse in asphaltic concrete.

On and after January 1, 2015, asphaltic concrete, other than I-4 mix or other approved heavy duty asphaltic concrete mix, shall contain not less than 30 percent reclaimed asphalt pavement, as measured by weight. I-4 mix or other approved heavy duty asphaltic concrete mix shall contain not less than 10 percent reclaimed asphalt pavement, as measured by weight. Reclaimed asphalt paving used in asphaltic concrete shall comply with ASTM D 692 or ASTM 1073.

Exceptions:

1. Asphaltic concrete used in a project where the content of asphaltic concrete is governed by a federal or state law, rule, regulation, guideline, or specification that requires a different composition.
2. Asphaltic concrete used for runways, taxiways, or other surfaces utilized by aircraft.
3. The commissioner may waive compliance with this section if the commissioner, after consulting with the commissioner of transportation and the owners or persons in charge of all asphalt plants located within the city, finds that a sufficient supply of reclaimed asphalt pavement is not available.