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Special Conditions for <br />ENCROACHMENT PERMIT <br />.2. <br />11.Trenches shall be.maintained in a smooth and even coridition to the satisfaction of the County <br />throughout the project limits at all times.,. <br />12.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 />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.Coolidge Avenue subject to pavement cuts shall receive a (1)-inch asphalt concrete overlay as <br />per San Joaquin County Improvement Standards Section 2-5.0 Trench Cut Policy.Shoulder <br />areas shall be brought up to the finish grade as directed by the County. <br />15.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 Field Engineering Division,contact them at 209~953-7 421. <br />16.No paving jOints are allowed within paved shoulder;contractorshaU pave all the way to outer <br />edge of paved shoulder.. <br />.17.Class'll Aggregate Base shoulder backing is required from the edge of pavement,a minimum of <br />4-inches thick by 4-feet wide. <br />18.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 />19.Above ground vaults,panels and/or other similar facilities will be allowed within the right-of-way if <br />located as far to the outside edge as possible.Utility vaults shall be located a minimum of 4'-0. <br />from edge of pavement. <br />20.County roads shall be kept clean from mud and debris at all times alOng the access points <1100 <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 />21.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 modem mechanicaJor.vacuum-assisted street sweeper, <br />22.'The contractor shall not conduct construction operations in rain or heavy fog conditions.