02742.doc

SECTION 02742

PART 1

GENERAL

1.1

DESCRIPTION:

This item covers placement of asphalt concrete for repair/sealing of cracks greater than 1-inch width, and repair of areas that have been milled to correct surface spalling, deterioration or other surface deficiencies.

PART 2

PRODUCTS

2.1 Emulsified asphalt for tack coat shall meet the requirements of Pima County, City of Tucson Standard Specifications Section 1005.

2.2 Asphalt Concrete shall meet the requirements of Pima County, City of Tucson Standard Specifications Section 406, No. 3 mix requirements.

PART 3

EXECUTION

3.1 Cracks shall be cleaned as described under Section 02741. Areas milled for removal of markings and correction of surface deficiencies shall be cleaned as described under Section 02741.

3.2 Tack coat shall be applied as specified in Pima County, City of Tucson Standard Specifications Section 404.

3.3 Asphalt concrete shall be placed in cracks and hand tamped. Additional asphalt concrete shall be added and tamped at necessary to bring the level to within 1/8 inch of the surface. Cracks shall not be overfilled.

3.4 Asphalt concrete for surface patching shall be spread by hand and compacted using a pneumatic tired or steel wheel roller. The finished surface shall not deviate more than ¼ inch from a 12 - foot straightedge.

END OF SECTION

02742 - 1 H:\8348\8348003.23\Docs\B-3 Specs\Division 2\02742.doc June 7, 2005