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CITY OF SANTA ANA <br /> SPECIFICATIONS <br /> PROJECT NO.: 25-6030 <br /> TRAFFIC SIGNAL INSTALLATION AT SEGERSTROM AVENUE AND ROSEWOOD <br /> AVENUE <br /> 1.10 ASPHALT RUBBER HOT MIX(ARHM) <br /> This section shall conform to Section 302-9 of the Standard Specifications and these <br /> Special Provisions. <br /> Asphalt-rubber hot-mix shall be gap graded Class D (ARHM-GG-D). <br /> Provisions in Section 1.08,Asphalt Concrete,of these Special Provisions related to relative <br /> compaction requirements and various adjustments shall apply to this section as well. <br /> 1.11 CRACK REPAIR AND PATCHING <br /> After removing all loose materials from the street surface and street surface preparation, <br /> Contractor shall crack seal all transverse,longitudinal,reflective, and block cracks that are <br /> %" or larger with hot rubberized sealant material Polyflex Type 3 or approved equal. <br /> Sealant shall be prepared and applied to the pavement cracks in conformance with all <br /> manufacturers' instructions. <br /> All cracks to be sealed shall be completely clean,dry,and free of loose material,vegetation, <br /> and any other foreign substance, which may cause the sealant not to adhere to the crack <br /> wall. Hot compressed air or other means, approved by the Engineer, shall be used to clean <br /> and dry the crack immediately prior to application of sealant. Sealant shall be applied only <br /> after the cracks and adjacent asphalt concrete surfacing have been cleaned and dried. <br /> Sealant shall be applied with a nozzle from the bottom of the crack up to the surface in a <br /> manner, which does not result in sealant bridging or entrapping air pockets. The sealant <br /> shall be applied to a slightly overfilled condition and then leveled with a squeegee. The <br /> overband shall not exceed PA inches on either side of the crack. <br /> 1.12 PORTLAND CEMENT CONCRETE (PCC) <br /> PCC shall conform to Sections 200, 303 and 400 of the Standard Specifications and these <br /> Special Provisions. <br /> The Cleanness Value requirement of Section 200-1.4 shall be replaced with the following: <br /> Tests Test Method Requirements <br /> Cleanness Value Calif 227 <br /> Individual Test 70 min.* <br /> Moving Average 75 min.* <br /> 34 <br />