Permits & Development - Encroachment(EP)/Driveway(DW) Permits - 2019_PS-1903501 thru PS-1904000_ - PS-1903657

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-2- Special Conditions for Encroachment Permit 11. Trenches shall be maintained in a smooth and even condition to the satisfaction of the County throughout the project limits at all times. 12. All trenches shall be completely backfilled or shored and plated at the end of each workday, and the roadway restored to two-way traffic. If plating is to be used, a trench shoring and plating plan suitable for traffic loadings shall be prepared by a registered civil engineer and submitted for prior approval by the County. 13. The contractor shall use San Joaquin County Improvement Standard R-29 when backfilling trenches within the County right-of-way. Where the existing road structural section is below standard, a minimum section of 3 inches of asphalt concrete over 8 inches of aggregate base shall be required. 14. The portion of Lammers Road subject to pavement cuts shall receive a 1 -inch asphalt concrete overlay as per San Joaquin County Department of Public Works Improvement Standards Section 2-5.0 Trench Cut Policy. Shoulder areas shall be brought up to the finish grade as directed by the County. 15. No paving joints are allowed within paved shoulder; contractor shall pave all the way to outer edge of paved shoulder. 16. Class II Aggregate Base shoulder backing is required from the edge of pavement, a minimum of 4 -inches thick by 44eet wide. 17. Contractor shall establish existing roadway and drainage grades within the construction area. Any repair to roadways and adjacent areas shall match existing grades. Any proposed grade changes shall receive prior approval from County. 18. Above ground vaults, panels and/or other similar facilities will be allowed within the right-of-way if located as far to the outside edge as possible. Utility vaults shall be located a minimum of 4'-0" from edge of pavement. 19. County roads shall be kept clean from mud and debris at all times along the access points and work zone areas during entire project. All standard roadway striping and signage shall be clearly visible, maintained and restored throughout the construction zone during and after the project. 20. In addition to standard dust control measures, streets shall be maintained in a clean condition, free of dirt, mud and debris during construction activities. The contractor shall provide daily, and as determined to be necessary by County inspectors, street sweeping using a modern mechanical or vacuum -assisted street sweeper. 21. The contractor shall not conduct construction operations in rain or heavy fog conditions.