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Special Conditions for -2- <br />ENCROACHMENT PERMIT <br />12. Bell holes shall be maintained in a smooth and even condition to the satisfaction of the County <br />throughout the project limits at all times. <br /> <br />13. All bell holes 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 /> <br />14. The contractor shall use San Joaquin County Improvement Standard R-29 when backfilling <br />trenches/bell holes within the County right-of-way. Where the existing road structural section is <br />below standard, a minimum section of 3 inches of asphalt concrete over 6 inches of aggregate <br />base shall be required. <br /> <br />15. 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 /> <br />16. 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 /> <br />17. The contractor shall not conduct construction operations in rain or heavy fog conditions. <br /> <br />18. Contractor will notify San Joaquin County Road Maintenance (209-468-3074) and Field <br />Engineering (209-953-7421) 48-hours prior to any road closures with location, date and duration.