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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 />1/4" 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 11/2 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 <br />Cleanness Value Calif. 227 <br />Individual Test <br />Moving Average <br />Requirements <br />70 min.* <br />75 min.* <br />34 <br />