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Special Conditions for -2- <br />ENCROACHMENT PERMIT <br />12. Trenches shall be maintained in a smooth and even condition to the satisfaction of the County <br />throughout the project limits at all times. <br />13. All trenches shall be completely backfilled or shored and plated at the end of each workday, and <br />the roadway restored to two-way traffic. If plating is to be used, a trench shoring and plating plan <br />suitable for traffic loadings shall be prepared by a registered civil engineer and submitted for prior <br />approval by the County. <br />14. The contractor shall use San Joaquin County Improvement Standard R-29 when backfilling <br />trenches within the County right-of-way. Where the existing road structural section is below <br />standard, a minimum section of 3 inches of asphalt concrete over 8 inches of aggregate base <br />shall be required. <br />15. Contractor shall maintain temporary fill material until final paving complete. <br />16. Euclid Avenue subject to pavement cuts shall receive a Type II Slurry Seal as per San Joaquin <br />County Department of Public Works Improvement Standards Section 2-5.0 Trench Cut Policy. <br />Shoulder areas shall be brought up to the finish grade as directed by the County. <br />17. Final paving for trench repair or road resurfacing shall be per Caltrans' specifications and shall <br />not occur between November 1 and March 31, without prior authorization from the San Joaquin <br />County Department of Public Works Field Engineering Division, contact them at 209-953-7421. <br />18. No paving joints are allowed within paved shoulder; contractor shall pave all the way to outer <br />edge of paved shoulder. <br />19. Class If Aggregate Base shoulder backing is required from the edge of pavement, a minimum of <br />4 -inches thick by 4 -feet wide. <br />20. Contractor shall establish existing roadway and drainage grades within the construction area. <br />Any repair to roadways and adjacent areas shall match existing grades. Any proposed grade <br />changes shall receive prior approval from County. <br />21. County roads shall be kept clean from mud and debris at all times along the access points and <br />work zone areas during entire project. All standard roadway striping and signage shall be clearly <br />visible, maintained and restored throughout the construction zone during and after the project. <br />22. In addition to standard dust control measures, streets shall be maintained in a clean condition, <br />free of dirt, mud and debris during construction activities. The contractor shall provide daily, and <br />as determined to be necessary by County inspectors, street sweeping using a modern <br />mechanical or vacuum -assisted street sweeper. <br />23. The contractor shall not conduct construction operations in rain or heavy fog conditions. <br />