§ 12.16.040. Base and finish courses—Crown.  


Latest version.
  • A.

    Private streets shall have a twelve-inch prepared gravel base course after rolling and be finished with three-inch bituminous concrete, Class I Type I-1, after rolling, or other pavement of similar lasting character, as determined by the city engineer, on main streets. Such streets shall have a six-inch prepared gravel base after rolling and be finished with two-inch bituminous concrete, Class I Type I-1, after rolling, or other pavement of similar lasting character, as determined by the city engineer, on secondary streets. It shall be the duty of the city engineer to determine which are main streets and which are secondary streets.

    B.

    Such prepared gravel shall conform to the requirements of the Standard Specifications of the Commonwealth of Massachusetts, Section B1-20, most current edition, and be laid in accordance with the requirements of such Standard Specifications, Sections B1-30 and B1-31, most current edition. The entire surface of such gravel base shall then be penetrated with approximately one-half gallon per square yard of MC-0 or MC-1 (depending on weather conditions) and allowed to cure for at least forty-eight hours.

    C.

    Such bituminous concrete shall be applied in two courses: base course of one and one-half inch after rolling and top course of one and one-half inch after rolling on main streets, and on secondary streets, base course of one inch after rolling and top course of one inch after rolling. There shall be a thirty-day period wherein such street shall be subject to traffic between the base and top course.

    D.

    There shall be a five-inch crown set two inches below the curb on all such proposed streets.

(C.O.83-52 § 50 (part); prior revision § 17-39(e)—(h))