(A) In lieu of formal designs, the following minimum street pavement sections may be used; however, the city reserves the right to require a formal design for any street section.
Flexible Composite | Rigid* | |
Local Streets (ADT to 4000 and ESAL of 40) | 3 inch surface | 6 inch PC |
8 inch base | 3 inch base | |
(Minimum SN = 3.0) | ||
*All rigid pavement designs require a joint layout plan and associated details. | ||
(B) All other street classifications shall require formal design.
(1) Formal designs may be performed (are encouraged) by the design engineer to determine specific pavement sections required for specific subgrade and specific project requirements and these designs submitted to the City Engineer for review. Soils testing is required in compliance with the pavement design standards and a minimum acceptable subgrade CBR value of eight shall be required to utilize the minimum sections shown above.
(2) Joint spacing and joint design shall be in accordance with the AASHTO Guide for Design of Pavement Structures.
(Ord. 2009-11-347, passed 11-3-09; Am. Ord. 2010-06-356, passed 6-1-10; Am. Ord. 2018-11-816, passed 11-6-18)