Laserfiche WebLink
CITY OF SANTA ANA <br />SPECIFICATIONS <br />PROJECT NO.: 25-6030 <br />TRAFFIC SIGNAL INSTALLATION AT SEGERSTROM AVENUE AND ROSEWOOD <br />AVENUE <br />Emulsion -Aggregate Slurry (Type II-CSS-lh-EAS) <br />1. Materials - Shall conform to the requirements of Sub -Section "302-4 SLURRY <br />SEAL SURFACING" and "203.5.4 Emulsion -Aggregate Slurry (EAS)" of the <br />Standard Specifications except Sub -Section "203-5.4.2-.2 Emulsified Asphalt" <br />shall be amended so that the asphaltic emulsion shall conform to the requirements <br />for cationic emulsion grade CSS-lh (slow setting) or approved equal. The type of <br />emulsion to be used shall be as indicated in these special provisions unless <br />determined otherwise by the Engineer prior to slurry applications. <br />2. Sub -Section "302-4.5 Scheduling, Public Convenience and Traffic Control" shall <br />be the same except for the following additions: Spreading - The application of <br />slurry shall be scheduled to commence after 8:00 a.m., and no slurry operations <br />shall be done after 2:00 p.m. unless otherwise approved by the Engineer. Slurry <br />shall be sufficiently cured for vehicle traffic without tracking or damage to the <br />surface by 3:00 p.m. on the same day. In case of damage done by vehicles and/or <br />pedestrians upon slurry that has not been sufficiently cured by 3:00 p.m., the <br />Contractor shall replace all of the damaged work at the Contractor's expense and <br />no additional compensation shall be made by the City. Final striping shall be <br />installed no more than ten (10) working days after placement of slurry. <br />3. Sub -Section "302-4.6.4 Aggregate Application Rate" and "Table 302-4.6.4.1(A)" <br />shall be replaced with the following: Slurry Seal (Type II) shall be applied over <br />asphalt rubber chip seal at a rate of 1,000 square feet per extra long ton (ELT). <br />Type II slurry shall be applied between 48 hours and 7 days after the cover aggregate is <br />placed. <br />Slurry seal (Type II) shall be applied on the arterials at a rate of 1,350 square feet per extra <br />long ton (ELT). <br />Rubberized Emulsion Aggregate Slurry (REAS), Type II <br />This section shall conform to Sections 203-5 and 302-4 of the Standard Specifications and <br />these Special Provisions. <br />Section 302-4.7 entitled "Rubberized Emulsion Aggregate Slurry (REAS)" of the Standard <br />Specifications shall be modified to delete the text in Section 302-4.7.2 and replace with the <br />following: <br />REAS shall be mixed at a central plant conforming to 203-5.5.3. <br />Section 302-4.8 entitled "Spreading and Application" of the Standard Specifications shall <br />be modified to add the following: <br />The Contractor shall remove all raised pavement markers and all striping in the <br />Work area per Section 2.02, Striping (Traffic Stripes and Pavement Markings), of <br />30 <br />