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PART 3 EXECUTION 3.01 TEMPORARY PAVING A. Prior to commencing excavation, the asphalt surface shall be sawcut within the limits of the allowable trench width. 1. Temporary paving will be required along the entire route where the original paved surface is removed. 2. Temporary paving shall be placed the same day the trench is backfilled. 3. The trench shall be backfilled as required in Trenching - Section 02319, up to 1 inch below the existing pavement surface and a temporary, cold mixed sand/asphalt pavement shall be constructed up to the level of the existing pavement surface. 4. The liquid asphalt shall be Grade RC-70 conforming to the requirements of D.O.T. Specifications, Section 916-2. 5. The sand shall conform to the requirements of D.O.T. Specifications, Section 902 for fine aggregate. B. The cold mix shall be installed one block at a time not crossing intersections to a maximum unpaved ditch length of 1200 feet. 1. When either of these limits are reached, complete the installation of paving prior to continuing with his excavation work. 2. Backfill, compaction and temporary paving is to keep pace with the pipe installation. 3. Written permission must be obtained from the Department and the municipal agency permitting the work to allow greater lengths than 1,200 feet. 4. Permitting agencies may reduce the allowable limits in their permit, or for other unforeseen right-of-way conditions. C. Prior to completion of the work remove the 1 inch of cold mix and surplus backfill. 1. Replace 1 inch of cold mix and surplus backfill with the specified compacted limerock base course and asphalt within the approved working limits. 2. Municipal agencies permitting this work may accelerate the time for removal of the cold mix, at their discretion. City of Sunny Isles Beach NE 174th Street Roadway Improvements 02743 - 3 Bituminous Concrete Pavement 14-1758 / 09-19-2014