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GENERALPROVISIONSGOVERNINGINSTALLATIONOFSUBSURFACESTRUCTURESANDPIPELINESWITHINCOUNTY ROADRIGHTS-OF-WAYPUBLICCONVENIENCEANDSAFETY:A.BeforeobstructinganyprivatedrivewayentranceorCountyroadtraveledwaywithatrench,spoilbank,equipmentorotherbarrierpermittedforanyprolongedperiodoftime,thePermitteeshallnotifytheknownusersoftherespectivethoroughfare(s)involved,and shallprovideaccessforvehicularandpedestriantraffictoandfromtheroad.1.Unlessotherwisepermitted,allworkshallbeconductedinsuchamannerthatnoless thanonelaneoftheexistingCountyroadtraveledwaywillbemaintainedopentopublictrafficduringworkinghoursinasmoothandsaferidingcondition(s).Two lanesshallbeopenafterworkinghours.2.Incaseswhereroadclosureispermitted,thepermissiontoclosetheroadwillbegrantedundertheconditionthatthePermitteenotifythefollowingpersonsand/oragenciesofthetime,theperiodofclosure,andthedetourrouteatleasttwenty-four(24)hourspriortosaidroadclosure.a.TheCountyofSanJoaquinPublicWorksDepartmentd.Thelocalfiredistrictb.TheCountyofSanJoaquinSheriff’sOfficee.Thelocalschooldistrictc.Thelocalpostalservicef.ThelocalresidentsinvolvedB.Shouldhazardousconditionsrelativetotheinstallationoperationswarrantflagman,asmanycapableflagmenasmaybenecessaiyshallbeprovidedbythePermitteeandstationedinadvanceofworktowarnanddirect traffic.C.Lights,signsandbarricadesshallbefurnished,erectedandmaintainedbythePermitteeforthe adequatewarningandconvenienceofthepublic,withparticularattentiontobetakeninthisregardafterdark.D.Anyexcessdirtandlordebriswhichmightbeahazardtoeitherautomobileorpedestriantraffic,uncontrollablebylights, signsandbarricades,shallberemovedfromthejobsitedaily.STRUCTURES:A.Wallsofstructuresshallbesuchqualityandstrengththattheywillresistallpressuresandwillnotcrackorbedeformedinsuchawayastocreateahazardormaintenanceproblematanytime.Therefore,theminimumstructuralrequirementsforconcretepipeplacedundercountyroadrights-of-wayshallconformtothefollowingAmericanAssociationofStateHighwayandtransportationOfficials(AASHTO)designations.I.Forconcretepipeuptoandincluding thirty-threeinches(33”)insidediameter,extrastrengthconcreteconformingtoAASHTODesignationMl7OM.2.Forconcretepipethirty-sixinches(36”)insidediameterandlarger,reinforced concretepipeconformingtoAASHTODesignationM170MClassIII.3.PlasticpipeconformingtoAASHTODesignationM294.B.AllconcretepipejointswithCountyroadrights-of-wayshallbesealedagainstleakageand/orinfiltrationwithrubbergasketinconformancewithSection65-1:06oftheCaliforniaStandardSpecifications,orwithothermethodsasmaybepermittedundertheSpecialProvisions.C.Cast-in-placeconcretepipe,vitrifiedclaypipe,spiralweldedsteelpipe,orcorrugatedaluminumalloypipeshallnotbeinstalledwithintheCountyroadrights-of-wayunlessspecificallysostatedintheSpecialProvisions,andonlyundertheconditionsasprovided.D.AllstructurestobeburiedwithintheCountyrights-of-wayshallbesetatsuchelevationsastoallowminimumcoverageofthirtyinches(30”)tothecenterlineoftheroadwaysandtwelveinches(12”)atthebottomsofborrowditcheseachsideoftheroadways.Thedepthsofstructuresshallbeestablishedbelowaflatplaneextendingacrosstherights-of-way,nopartofwhichshall extendabovetheelevationsstatedabove;manholes,lampholes,valves,etc.notincluded.Futuresurfaceelevationsshallbeanticipatedasnearlyaspossibleandstructureelevationsshallbeestablishedforfutureadjustmentsaccordingly.E.TheCountyherebyreservestherighttospecifyintheSpecialProvisionsthegage andsurfacetreatmentofanygalvanizedcorrugatedmetalpipethatistobeinstalled.F.Alllongitudinalutilityfacilitiesaretobeestablished(anddimensionedonsketches)fromsurveyedcenterlineofroadright-of-way,notfromright-of-way(border)lines.REPAIRSOFTHECOUNTYRIGHT-OF-WAY:A.Allexcavationsshallbebackfilledandcompactedimmediatelyafterworkthereinhasbeencompleted.B.Trenchedshallnotbeleftopenfartherthan300feetinadvanceofpipelayingoperations,or200feettotherearthereof,unlessotherwisepermittedbytheEngineer.C.Unlessotherwise pennittedunderthe SpecialProvisions,backfillshallbeplacedandmechanicallycompactedinsuchamannerthattherelativecompactionthroughouttheentirefillwithintheCountyroadright-of-wayshallconfonntothepercentagesofcompactionasshownontheTrenchdetail.D.Backfillmaterialshallbeplacedinhorizontaluniformlayersnottoexceedinthickness,beforecompaction,L67footinthebeddingregion,one—footwhere90%compactionisrequired,andtwo-feetwhere80%compactionisrequired.E.Noportionoftheexcavation(s)shallbecompactedbypondingorjettingunlessamaintenancebondisprovided.F.Gravelbaclcfillmaterialshallbeutilizedonlywherespecificallysostatedonthefaceofthepermit.Itshallbecompactedbymeansofahigh-frequencyinternalvibrator,thecompactortobeasizeandtypeapprovedbythe Engineer.Pointsofcompactionshallnotbegreaterthan18”centersandtothefulldepthofthelift.-G.Allpavements,curbs,gutters,sidewalks,borrowditches,pipes,headwalls,roadsigns,trees,shrubbery,and/orotherpermanentroadfacilitiesimpairedbyorasaresultofconstructionoperationsattheconstructionsite(s)occupiedbymaterialsand/orequipment,shallberestoredinunediatelyuponbackfillingoftheexcavationtotheoriginalgradesandcrosssections,andtoaconditionasgoodas,orbetterthanexistingpriortoconstruction.H.Allsurfacingmaterialsofroadwaysanddrivewayapproachescutordamagedbyorasaresultofconstructionoperations,shallbereplacedwithinONEWEEKfollowingthebackfillingofexcavation,weatherpermitting,withcompactedlayersofsurfacingmaterialsatleastasthickasthe existing,andnolessthantwoinches(2”)ofasphaltconcreteoversixinches(6”)ofaggregatebase,bothasspecifiedbelow,1.AsphaltConcrete:CombinedmineralaggregateshallconformtothequalityandgradationrequirementsforType“B”one-halfinch(l/2)maximumaggregate,coarseormediumgradationasspecifiedinSection39oftheCaliforniaStandardSpecifications.Thebituminousbindertobemixedwithmineralaggregateshallbepavingasphalthaving(GradePG64-10),unlessotherwisedirectedbytheEngineer.PlacementofasphaltconcretesurfacingshallconfonntotheapplicableprovisionsofSection39oftheCaliforniaStandardSpecifications.2.AggregateBase:Combinedmineralaggregatesshallconformtothequalityandthegradingforthree-quarterinch(3/4”)maximumsizeaggregateClass2AggregateBasespecifiedinSection26oftheCaliforniaStandardSpecifications.I.BeforeacceptanceofrepairstotheCountyroadrights-of-way,allunsightlyanddetrimentaldirt,dustand/ordebrisshallberemovedandtheconstructionareasleftinaneatandpresentablecondition(s).I.Ifnecessary,Countyroadtraveledwayanddrivewaypavementsshallbewashedwithwatertoremovedirtanddust.2.DrivewayapproachesandfieldentrancepavementsdamagedbyequipmentorspoilbanksshallberepairedasdirectedbytheEngineer.J.UponrequestbytheCounty,anysettlement,saggingofsurface,orcrackingofpavementshallberepairedimmediatelybyandatthesoleexpenseofthePermitteeforaperiodofoneyearfollowingacceptanceofthework.X:\ENOROACNStENT5\GeneralProvisions(EncroachmentPermits)\WinterWeatherProvisions.doc,c
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