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Special Conditions for 2- <br />ENCROACHMENT PERMIT <br />11. Trenches shall be maintained in a smooth and even condition to the satisfaction of the Countythroughouttheprojectlimitsatalltimes. <br />12. All trenches shall be completely backfilled or shored and plated at the end of each workday, andtheroadwayrestoredtotwo-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 />13. The contractor shall use San Joaquin County Standard R-29 when backfilling trenches within the <br />County right-of-way. Where the existing road structural section is below standard, a minimum <br />section of 3 inches of asphalt concrete over 8 inches of aggregate base shall be required. <br />14. Temporary pavement shall be provided for all trench areas within three days of pavement <br />removal or by Friday of each week, whichever is more restrictive. <br />15. 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 />16. School buses shall be passed through the work zone with minimal delays. <br />17. 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 />18. 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, or as <br />needed, street sweeping using a modern mechanical or vacuum-assisted street sweeper. <br />19. The contractor shall not conduct construction operations in rain or heavy fog conditions.