All new off-street parking facilities shall be paved with asphalt or portland cement concrete and shall be designed and constructed in accordance with the standards and procedures herein established.

1. ASPHALT CONCRETE PAVEMENT
   1. General Design Requirements
      1. Asphalt concrete pavements shall consist of specified thickness of asphalt concrete surface course and a base course, or courses, all constructed on prepared subgrade. Required pavement thickness shall be determined from Table A-1 of the appropriate subgrade soil and traffic use.
      2. Paved areas shall be so designed and constructed that water will quickly drain from the surface and be conducted away from the area through approved systems. Transverse and/or longitudinal slopes of not less than 5/8 inch in 10 feet shall be provided. For large paved areas, approved catch basins and storm drainage systems shall be provided.
      3. When the pavement includes a granular base, and the pavement is not constructed over granular subgrade, perimeter subsurface drainage shall be provided to prevent lateral flow of water into the base course and to provide for removal of seepage water that may enter the base.
      4. Successive layers of the pavement shall be offset from the edge of the underlying layer a distance equal to the course thickness of the lower layer, except when abutting existing construction. When the asphalt layers of the pavement abut a building foundation, barrier curb, or similar vertical surface, the abutting surface shall be heavily painted with asphalt prior to construction of the asphalt course. The surface course shall be finished 1/4 inch above adjacent flush construction to permit proper compaction.
   2. Construction Materials and Procedures
      1. Base courses shall consist of the following materials. Construction procedures shall conform to the requirements applicable to the base course selected.
         1. Asphalt Concrete Base Course - Materials and construction shall conform to the current requirements of the Kentucky Department of Transportation, Bureau of Highways', Specifications for Asphalt Concrete Base Course, Class I, except as noted herein.
      2. Asphalt Treated Base Course - Materials and construction procedures shall conform to the following requirements:
         1. Hot-mix sand asphalt base material may be substituted for asphalt concrete base in a ratio of 1.3 inches of sand-asphalt base per inch of asphaltic concrete base.
         2. Liquid and emulsified asphalt bases, designed and mixed in accordance with the Asphalt Institute Asphalt Mixed-In-Place Manual, may be substituted for asphaltic concrete base in a ratio of 1.4 inches of liquid or emulsified asphalt base per inch of asphaltic concrete base.
      3. Crushed Stone Base Course -
         1. Crushed stone base course shall conform to all the current requirements of the Kentucky Department of Transportation, Bureau of Highways, for Dense Graded Aggregate Base Course.
      4. Asphalt Concrete Surface Course - Materials and construction shall conform to the current requirements of the Kentucky Department of Transportation, Bureau of Highways, for Asphalt Concrete Surface, Class I.
      5. Asphalt Prime and Tack Coat
         1. Asphalt Prime shall conform to the Kentucky Department of Transportation, Bureau of Highways' requirements for Cutback Asphalt Emulsion Primer, Type L. Prime shall be applied to the surface of granular base course, as directed by the legislative body's engineer.
         2. Tack Coat shall meet the requirements of the Kentucky Department of Transportation, Bureau of Highways. Tack coat shall be applied, upon direction of the legislative body's engineer, to the surface of asphalt courses that have become dusty or dry.
2. SOIL-CEMENT BASE COURSE (WITH ASPHALT CONCRETE SURFACE):
   1. Description: Soil-cement base course shall consist of soil and cement uniformly mixed, moistened, compacted, finished, and cured in accordance with the specifications herein, and it shall conform to the lines, grades, thickness and typical cross section, shown on the plans. Soil-cement base course, mixed and applied as directed by the legislative body's engineer, may be substituted for granular base course in the ratio of 1.5 inches of soil-cement base to one inch granular base course.
3. CONCRETE PARKING AREAS
   1. General Requirements - Thickness of concrete parking and access drives shall be:
      1. A minimum of five (5) inches for passenger cars and panel or pickup truck parking.
      2. A minimum of six (6) inches for driveways accommodating light trucks and for light truck parking.
      3. A minimum of seven (7) inches for heavier commercial or industrial needs.
   2. General Requirements - Concrete Paving
      1. Minimum Cement Content - 564 lb./cu.yd. of concrete (6 U.S. bags).
      2. Maximum Size of Aggregate - 1-1/4 inches.
      3. Maximum Water Content - 0.49 lb./1 lb. of cement (5.5 gal./ bag).
      4. Maximum Slump - four (4) inches.
      5. Air Entrainment

Effective on: 1/1/1901