407DUST PALliATIVE

407.01Description

This work shall consist of preparing and treating an existing aggregate surface with asphalt material in accordance with 105.03.

407.02Asphalt Material

The type and grade of asphalt material shal l be in accordance with the following:

Asphalt Emulsion, AE-PL ........................................... 902.01(b) 10

407.03Weather Limitations

Asphalt material shall not be applie d on a wet surface, when the ambient temperature is below 50°F, or when other unsuitable conditions exist, unless approved by the Engineer.

407.03

407.04Equipment

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

407.05Preparation of Surface 20

The surface to be treated shall be shaped to the required section and be free from all ruts, corrugations, or other irregularities.

407.06Application of Asphalt Material

The asphalt material shall be uniformly applied at the rate of 0.25 to 1 gal./sq yd in a uniform continuous spread over the section to be treated or as directed.

When traffic is to be maintained within the limits of the section, approximately one half of the full section width shall be treated in one application. Complete coverage of the section shall be ensured. 30

Treated areas shall not be opened to traffic until the asphalt material has been absorbed.

407.07Method of Measurement

Asphalt for dust palliative will be measured by the ton.

407.08Basis of Payment

The accepted quantities of this work will be paid for at the contract unit price per ton for asphalt for dust palliative, complete in place. 40

Payment will be under:

Pay Item Pay Unit Symbol

Asphalt for Dust Palliative ........................................................ TON