505 E Central Ave #B - DEF 1 - Plan

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CITY OF SANTA ANA SPECIFICATIONS PROJECT NO.: XX-XXXX PROJECT TITLE 60 I. CONSTRUCTION No CIREAM work shall be performed during wet conditions, nor started if rain is imminent when the work is to be performed. No recycling work shall be performed unless the pavement temperature is a minimum of 50°F. Recycling operations other than compaction shall be completed a minimum of two (2) hours before sunset. Where possible, ½ inch of existing asphalt concrete shall be protected in place during the grinding process to avoid exposure of existing subgrade. On street segments where it is not feasible to retain ½ inch of existing subgrade, the Contractor shall reduce the milled section or replace the proposed section as directed by the Engineer. In areas where the CIREAM method is utilized and the recycled pavement is to be placed on the existing milled pavement surface, it shall be verified that the milled surface is firm and unyielding and there are no subgrade failure areas beneath the milled surface that might compromise the integrity of the recycled pavement. When CIREAM pavement is placed on a milled surface or adjacent to structures such as curbs, concrete gutters, swales, planters, etc., these contact surfaces shall be swept of all loose material to create a dry clean surface. A tack coat of SS -1h emulsion or equivalent (0.05 gallon per square yard minimum) shall be applied to surface areas prior to placing the recycled pavement. J. SPREADING AND COMPACTION Prior to pick up or placement in the paver, remove and dispose of all visible oversized crack filler in the cold milled material or in the recycled pavement mixture. When a paving fabric is encountered during the recycling operation, the Contractor shall make the necessary changes in equipment or operations so that incorporation of the shredded fabric in the recycled material does not affect gradation, or inhibit placing or compaction of the recycled material. No fabric piece incorporated into the recycled section shall have any dimension exceeding a length of two (2”) inches. The Contractor shall be required to remove and properly dispose of oversized pieces of paving fabric as directed by the Engineer. The recycled pavement mixture shall be graded and compacted to the depth, lines, and grades established by the plans or Engineer and as required by these special provisions. The recycled pavement mixture shall exit from the mixing chamber in a manner that prevents particle segregation. Care shall be exercised while spreading to avoid segregation, tearing, or scarring of the final compacted surface. Rolling shall commence at a time interval following the milling, mix ing, and spreading of the recycled pavement mixture as determined by the mix design or directed by the Contractor. Time intervals shall be based on ambient temperatures, weather, and type of liquid asphalt. When possible, rolling shall not be started or stopped on uncompacted material. 505 E Central Ave #B11/6/2024