§ 5 STREET SPECIFICATIONS FOR LAYER THICKNESS FOR ASPHALT CONCRETE TOP AND BASE COURSES AND THE FOUNDATION STONE COURSE.

   LEGEND FOR § 5 FIGURE

CBR VALUE	STREET TYPE	TOTAL PROFILE THICKNESS (in inches)	ASPHALT SURFACE COURSE (in inches)	ASPHALT BASE COURSE (in inches)	ROCK/STONE FOUNDATION COURSE (in inches)
3	Resident	13 ½	1 ½	4	6 - - #2 6 - - #53-73
	Collect	17 ½	1 ½	3	13
	Arterial	19 ½	1 ½	4	14
4	Resident	11 ½	1	2 ½	8
	Collect	14 ½	1 ½	3	10
	Arterial	18 ½	1 ½	4	13
5	Resident	9 ½	1	2 ½	6
	Collect	13 ½	1 ½	3	9
	Arterial	17 ½	1 ½	3	13
6	Resident	9	1	2	6
	Collect	13	1 ½	2 ½	9
	Arterial	14 ½	1 ½	3	10
7	Resident	8	1	2	5
	Collect	12	1 ½	2 ½	8
	Arterial	13 ½	1 ½	3	9
8	Resident	8	1	2	5
	Collect	11 ½	1	2 ½	8
	Arterial	13	1 ½	2 ½	9
10	Resident	7 ½	1	1 ½	5
	Collect	9 ½	1	2 ½	6
	Arterial	12	1 ½	2 ½	8
15	Resident	6 ½	1	1 ½	4
	Collect	9	1	2	6
	Arterial	11 ½	1	2 ½	8

 

   The surface course mixture shall consist of ISHC § 402, Type III, Hot Asphalt Emulsion Pavement or § 403, No. 9 binder, Hot Asphalt Concrete Pavement.

   When the thickness required exceeds 2 inches, the mixture used shall be a base course, consisting of ISHC § 402, No. 53B, Hot Asphalt Concrete Pavement.

(Ord. CO-98-18, passed 1-11-99)