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GENEF:AL PRCVISUONS
<br />GOVERNING INSTALLATION OF SUBSURFACE STRUCTURES AND PIPELINES WITHIN COUNTY ROAD-RIGHTS-OF-WAY
<br />PUBLIC CONVENIENCE AND SAFETY.
<br />A. Before obstructing any private driveway entrance or County road traveled way witi a trench,spoil bank,equipment or other barrier permitted for anyprolonged-period of-time,the Permittee-shall notify the known ust:rs ofthe respective thoroughfare(s)involved,and shall provide access for vehicular andpedestriantraffictoandfromtheroad.
<br />1. Unless otherwise Permitted,all work shall be conducted in such a manner that no Iess than one lane ofthe existing CourYry road traveled way willbemaintainedopentopublictrafficduringworkinghcursinasmooth-2nd safe riding condition(s). Two lanes shall be open after working hours.2. In cases where road closure is permitted,the permission to close the road will be granted under the condition that the Permittee notify thefollowing_persons and/or agencies ofthe time,the period of closure,and-the detour route at least twenty-four(24)hours prior to said road closure.a_ The County ofSan Joaquin Public Works Departnent d The local fire district
<br />b. The County ofSan Joaquin Sheriff's Office e. The local school district
<br />C. The local postai service f The Iocal residents involved
<br />B. Should hazardous conditions relative to the instaIlation_operations warrant flagmen,as many capable flagmen as may be necessary shall be provided.by thePermitteeandstationedinadvanceofworktowarnanddirecttraffic.
<br />C. Lights,signs and barricades shall be famished,erected and maintained by the Permittee forthe adequate warning and convenience ofthe public,withparticularattentiontobetakeninthisregardafterdark
<br />D.. Any excess dirt and/or debris which might be a hazard to either automobile of pedestrian traffic,uncontrollable by lights,signs and barricades,shall beremovedfromthejobsitedairy.
<br />STRUCTURES•.
<br />A. Walls ofstructures shall be such quality and strength that they will resist all pressures and will not crack or be deformed in such a way as to create a hazard
<br />or maintenance problem at any time. Therefore,the minimum stru tural requirements for concrete pipe placed under county road rights-of-way shallconformtothefollowingAmericanAssociationofStatehighway;md transportation Officials(AASHTO)designations.
<br />1. For concrete pipe up to and including thirty-three inches(33")insiderdianeter,extra strength concrete conforming to AASHTO Designation M170M.
<br />2. For concrete pipe thirty-six inches(36")inside diameter and larger,reinforced concrete pipe conforming to AASHTO Designation M 170M ClassIII.
<br />3. Plastic pipe conformingto AASHTO Designation M29z-.
<br />B. All concrete pipe joints with County road rights-of-way shall be settled against leakage and/or.infiltration with rubber gasket in conformance with Section65-1:06 ofthe California Standard Specifications,or with other methods as may be permitted under the Special Provisions.C. Cast-in-place concrete pipe,vitrified clay pipe,spiral welded steel pipe,or corrugated aluminum alloy pipe shall not be installed within the County roadrights-of-way unless specifically so stated in the Special Provisions,and only under The conditions as provided.D, All structures to be buried within the County rights-of-way shall be set at such elevations as to allow minimum coverage ofthirty inches(30")to thecenterlineoftheroadwaysandtwelveinches(12")atthe bottoms ofborrow ditches each side ofthe roadways. The depths ofstructures shall be establishedbelowaflatplaneextendingacrosstherights-of-way,no part of which shall extend above the elevations stated above;manholes,lampholes,valves,etc.notincluded. Future surface elevations shall be anticipated as nearly as possible and structure elevations shall be established for future adjustments accordingly.E. The County hereby reserves the right to specify inthe Special Provisions the gage and surface treatment of any galvanized corrugated metal pipe that-is to beinstalled.
<br />F. All longitudinal utility facilities are to be established(and dimensioned on sketches)from surveyed centerline of road right-of-way,not from right-of--wayborder)lines.
<br />REPAIRS OF THE COUNTY RIGHT-OF-WAY:
<br />A. All excavations shall be backfilled and compacted immediately after work therein has been completed.B. Trenched shall not be left open farther than 300 feet in advance ofp ape laying operations,or 200 feet to the rear thereof unless otherwise permitted by theEngineer.
<br />C. Unless otherwise permitted under the Special Provisions,backfill shall be placed and mechanically compacted in such a manner that the relative compactionthroughouttheentirefillwithintheCountyroadright-of-way shall conform to the percentages of compaction as shown on the Trench detail.D. Backfill material shall be placed in horizontal uniform layers not to(:xceed in thickness,before compaction,0.67 foot in the bedding region,one—foot where90%compaction is required,and two-feet where 80%compaction is required.
<br />E. No portion ofthe excavation(s)shall-be compacted by ponding orjeYing unless a maintenance bond is provided.F. Gravel backfill material shall be utilized only where specifically so stated on the face of the permit It shall be compacted by means ofahigh-frequencyinternalvibrator,the compactor to be a size and type approved by th.Engineer. Points of compaction shall not be greater than 18"centers and to the fulldepthofthelift
<br />G. All pavements,curbs,gutters,sidewalks,borrow ditches,pipes,head walls,road signs,trees,shrubbery,and/or other permanent road facilities impaired byorasaresultofconstructionoperationsattheconstructionsites)occupied by materials and/or equipment,shall be restored immediately upon backfilling oftheexcavationtotheoriginalgradesandcrosssections,and to a condition as good as,,or better than existing priorto constructionKAllsurfacingmaterialsofroadwaysanddrivewayapproachescutordamagedbyorasaresultofconstruction.operations,shall be replaced within ONEWEEKfollowingthebackfillingofexcavation,weather permitting,with compacted layers ofsurfacing materials at least as thick as the existing,and no lessthantwoinches(2")ofasphalt concrete over six inches(6")ofaggregate base,both as specified below.
<br />r.- Asphalt Concrete:Combined mineral aggregate shall conform to the quality and gradation requirements for Type`B"-one-half inch(1/2)maximum aggregate,coarse ormedium gradation as specified in Section39 ofthe California Standard Specifications. The bituminous binder tobemixedwithmineralaggregateshallbepavingasphalthaving(Grade PCI 64-10),unless otherwise directed by the Engineer. Placement ofasphaltconcretesurfacingshallconformtotheapplicableprovisionsofSection39oftheCaliforniaStandardSpecifications.2. Aggregate Base: Combined mineral aggregates shall coa.:Orm to the quality and the grading for three-quarter inch(3/4")maximum sizeaggregateClass2AggregateBasespecifiedinSection26oftheCalifornia.Standard Specifications.L Before acceptance ofrepairs to the County road rights-0f--way,all unsightly and detrimental dirt,dust and/or debris shall be removed and the constructionareasleftinaneatandpresentablecondition(s).
<br />1- Ifnecessary,County road traveled way and driveway pavements shallbe washed with water to remove dirt and dust2. Driveway approaches and field entrance pavements damaged by equipment or spoil banks shall be repaired as directed by the Engineer.I Upon request by the County,any settlement,sagging ofsurface,or cracking ofpavement shall be repaired immediately by and atthe sole expense ofthePermitteeforaperiodofoneyearfollowingacceptanceofthework
<br />F.'TERMrTS COUNrERt enel-al provisions\Winter Weatherprovisiormdocx
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