412FOG SEAL

412.01Description

This work shall consist of applying asphalt emulsion to the pavement surface in accordance with 105.03.

MATERIALS

412.02Materials

Materials shall be in acco rdance with the following: 10

Asphalt Emulsion, AE-F ............................................. 902.01(b) Fine Aggregate ............................................................ 904.02

CONSTRUCTION REQUIREMENTS

412.03Equipment

A distributor in accordance with 409.03(a) shall be used.

412.04Weather Limitations 20

Fog seal operations shall not be conducted on a wet pavement, when the ambient air or pavement temperature is below 60°F, or when other unsuitable conditions exist, unless approved by the Engineer. Fog seal shall not be applied to travel lanes or auxiliary lanes before May 1 or after October 1.

412.05Preparation of Surface

Surfaces shall be clean and free of any foreign or loose material.

All castings, detector housings, and snowplowable raised pavement markers shall be covered to prevent coating with fog seal prior to application of the fog seal. These 30 coverings shall be removed prior to opening to traffic.

412.06Application of Asphalt Material

The asphalt material shall be applied uniformly at the rate of 0.10 ±0.02 gal./sq yd. Asphalt material shall be applied to ensure even and uniform coverage to the pavement surface. 412.06

412.07Protection of Surface

Fine aggregate or other approved blotting material shall be applied to pedestrian crosswalks, driveways, or other areas as directed. Brooming of ponded areas shall be 40 required prior to opening to traffic on treated surfaces, as directed.

Traffic shall not be allowed on the freshl y sealed surface until the asphalt material has sufficiently cured to prevent tracking.

412.08Application of Pavement Markings

The fog seal shall be cured a minimum of five days prior to applying permanent pavement markings in accordance with 808.

412.09Method of Measurement 50

Fog seal will be measured by the square yard complete in place.

412.10Basis of Payment

Fog seal will be paid for at the contract unit price per square yard.

Payment will be made under:

Pay Item Pay Unit Symbol

Fog Seal ..................................................................................... SYS 60

The costs of all asphalt materials, fine aggregate, surface preparation, and all other necessary incidentals shall be included in the cost of the pay item.