Asphalt Rubber Chip Seal Specification

Detailed specifications chip seal section 410 chip seal 410 1 description.

Asphalt rubber chip seal specification.

This section provides guidelines for inspecting work for applying seal coats as specified under section 37 seal coats of the standard specifications which includes chip seals slurry seals micro surfacing fog seals flush coats parking area seals and crack treatments. August 2020 edition leadership lessons. Refer to txdot specification item 300 for several requirements for tire rubber crumb rubber modified asphalt and asphalt rubber. New tailgate talk available safe use of a cut off saw.

For asphalt rubber binder chip seals surface temperature must be at least 55 f and air temperature must be 60 105 f. Many countries have developed rational. Distribution statement copies available from ntis and online at. Cold applied binders include modified and unmodified medium and rapid setting emulsions.

The binder may be cold or hot applied. This work shall consist of the construction of a single course chip seal for pavements and or shoulders in accordance with the contract documents. Seal coats or chip seals. Chip seal is an application of bituminous material followed by a layer of.

Section 37 seal coats 4 3701 general. The standard chip seal specifications for these agencies are summarized and compared 2 5 spokane county self performs chip seals unlike the three other agencies. The results will also determine if the macro texture based new zealand chip seal performance specification is applicable for oregon chip seals. Hot applied binders can be polymer modified asphalt cements asphalt rubber and polymer crumb rubber blends as well as unmodified asphalt cements.

In a chip seal road a thin layer of asphalt is laid down before layers of crushed stone and aggregate are compacted on top of the asphalt. The specifications for aggregates used in chip seals are included in section 37 1 02 of the standard specifications. The state chip seal specifications. Different types of binders can be used in a chip seal.

Double chip seal specification description the contractor shall furnish all labor equipment material supplies environmental protection no parks raised markers signage traffic control secondary sweeping and other incidentals necessary to provide a double application of polymerized emulsified asphalt cover coat aggregate and a fog. Chip seal shoulders only item to be selected only when the mainline pavement will not be chip sealed. Key words chip seal asphalt emulsion hot applied chip seal design chip seal specifications. Chip seal is also known as macadam named for a scottish pioneer for paved roads.

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