SANTA ANA UNIFIED SCHOOL DISTRICT (SAUSD) (6)

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CITY OF SANTA ANA SPECIFICATIONS PROJECT NO.: 25-6030 TRAFFIC SIGNAL INSTALLATION AT SEGERSTROM AVENUE AND ROSEWOOD AVENUE The top layer of asphalt concrete pavement shall be a leveling course that shall not exceed 0.10' in compacted thickness. The leveling course shall be applied over both cold mill and reconstruction areas concurrently. Section 302-5.5 entitled "Distribution and Spreading" of the Standard Specifications shall be modified as follows: Successive courses shall not be laid upon previously laid courses until 24 hours after the previous course was laid. Section 302-5.6.2 entitled "Density and Smoothness" of the Standard Specifications shall be modified as follows: When a 10 foot straightedge is laid on the finished surface both parallel and perpendicular to the centerline of the roadway, the surface shall not vary from the edge of the straightedge more than 1/8 inch, except at intersections or at changes of grade. The Contractor shall construct temporary asphalt concrete ramping with a slope of 1:1 at the edge of open excavation if all of the following occur: 1. Clearance between travel lane and open excavation is less than five(5) feet, 2. Excavation depth is six(6) inches or deeper, and 3. If open excavation will last for more than 48 hours. Payment for construction and removal of temporary asphalt concrete shall be included in other items of work, and no additional compensation shall be allowed therefore. Work determined by the Engineer to conform to the requirements specified below shall be adjusted based upon the relative compaction result from each lot tested in accordance with the following table: Relative Reduced Relative Reduced Compaction Compensa- Compaction Compensa- (Percent) tion Factor (Percent) tion Factor 95.0 1.000 93.4 0.938 94.9 0.998 93.3 0.932 94.8 0.996 93.2 0.925 94.7 0.994 93.1 0.918 94.6 0.991 93.0 0.910 32