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GENERAL PROVISIONS <br />GOVERNING INSTALLATION OFSUBSURFACE STRUCTURES AND PIPELINES WITHlN COUNTYROAD-RIGHTS-OF-WAY . <br />PUBLIC CONVENIENCE AND SAFETY: <br />A Before obstructing any private driveway entrance or County road traveled way with atrench.spoil bank.equipment orother barrier permitted for any <br />prclenged.period ofJ;ime,the Penn.ittee.sball notifytbe known users oftbe respective thoroughfare(s)involved.and shall provide acc:ss for vehicular andpedestriantraffictoandfromtheroad.. <br />1.Unless otherwise ,Permitted.all work shall be conducted in such a manner that no Jessthan one lane of the exist4Jg County road traveled way will <br />be maintained open to public traffic dwing working hours in asmooth.and sa£:riding condition(s).Two lanes shall be open aftcrworking hours. <br />2.In cases where road closure is permitted,.the permission to close the road will be granted under the condition that the Permittee notify the <br />forrowing per.;ons and/or agencies oitbe tim~the period of clos:urc•.and..tbe detour route at least:tWenty-four (24)hours prior to said.road closure.•.The County of San Joaquin Public Works Depl!l1ment.<I.The local fin:district <br />b.The County of San Joaquin Sheriff's Office -0.The local school district <br />c.The local postal service f The local residents involved <br />B.Should hazardous cOnditions relative In tire instaJIatinn.nperatious wan-ont Bagmen,as many capable flagmen as may be llecessaIy shall be provided.by thePcnnitteeandstationedinadvanceofworlctowarnanddin:ct traffic._. <br />C.Lights,signs and banieades shall be furnished,e=ted and mainmined by tire Permittee for the adequate warning and convenien~of the public,withparticularattentionInbelBkeninthisrogardafterdarl<.. <br />D..Any excess dirt and/or debris which might be a hazard In either _mobile of pedestrian tzaflic,\lOoootroliahle by lights,signs and banieade~shall beremovedfromthejobsitedaily. <br />STR1JCTURES~ <br />A .Walls of structun:s shall be such quality and strength that they will resist all pressures an.dwiil not cmok or be deformed in such a way as to create a ~d <br />ormaintenance problem at any time.TIierefore.the minimum structural requirements for concrete pipe placed under county road rights...cf-way shall <br />conform to the'fnllowing American Association of SllIte Highway and tnmspnrllllion Officials (AASHfO}designations.. <br />1.For c6ncrete pipe up to and including thirty-three inches (33")inside diameter.extra strength concrete conforming to AASHrO Designation M170M. <br />.-2.For concrete pipe thirty-six inches (36")inside diameter and larger,reinforced concrete pipe conforming to AASHfO Qesignafion M170M Classm.3.Plastic pipe conforming to AASHTO Designation M294. <br />B.All concrete pipe jOinls with County road rights-of-way shall be sealed against leakage and/or.infiltration with rubber gasket in conformance with Section65-1:06 of the California Standard Specifications,or with other methods ~may be permitted.under the Special Provisions.. <br />C.Cast-in-place concrete pipe.vitrified clay pipe,spiral welded steel pipe,or corrugated aluminum alToypipe shall not be instBlled.within the County road <br />rights~f-way unless specifically so stated in the Specilil Provisions.and only under the conditions as provided. <br />D.All stroetures to be buried within the County rights-of-way shaH be set at such elevations as In allow minimum covernge of thirty inches (30")to the <br />centerline of the roadways and twelve inches (12")at the bottOms of borrow ditches each side ofthe roadways.The depths of stru~shall be established <br />be10w a flat pl~e extending across therights-of-way,no part ofwhich shall extend above the elevations stated above;manholes.lampholes,.valves,etc.not <br />included.Future surface elevations shall be anticipated as nearly as possible and structure elevations shall be established for future adjustments.accordingly. <br />B.The County hereby reserves the right to specify in the SP.CcialProvisions the gage and ~treatment of any galvanized corrugated metal pipe that-is to beinstalled. <br />F.AlIlongillldinal utilityfuilities an:In be established (and dimensioned on sketches)from surveyed centerline of road right-of-way,not from right-of-way(border)lines.. <br />REPAIRS OFTBE COUNTY RIGHT-OF-WAY:, <br />A All excavations shall be back:filled and compacted.immediately after work therein has been completed.. <br />B.Trenched shall not be left open farther than 30.0 feet in advance of pipe laying operations,or 200 feet to the ~tbCI'U)~unless otherwise ~by theEngineer.... <br />C.-Unless otherwise permitted under tne Special Provisions,backfill shall be placed and mechanically compacted in"suchamanner that the relative compaction <br />throughout the entire fill 'Wi1hinthe County road ri~to.()f-wayshall conform to the percentages of compaction as shown on the Trench detail... <br />D.Backfill material shall be placed in horizonmI uniform layers Dot to exceed in thi?mcss.before compadion.0.67 foot in the bedding region.one -foot where90010compactio~is required,and two-feet where 80%compfiction is required.. <br />R No portion ofllie cxcavation(s)shall"be compacted by ponding orjetting UD1essa maintenance bond is provided. <br />F.Gravel bacldill material shall he utilized only whm specifically so stated on the lilce of the pernlll It shall be compacted by means ofahigh-frequency <br />internal vibrator,the compa_In be a size and type approved by the Engineer.Points of compaction shall not be gruter than IS"centers and In the fulldepthofthelift.. <br />G.All pavements,curb~gutters,sidewa1kl:,burrow ditches,pipes,head walls,road signs,trees.shruhbery,and/or other permanent road facilities impair<d by <br />or as a result of construction opCltltions at the construction site(s)occupied by materials and/or equipment.shall be restored immediately upon backfi.1ling of <br />the excavation to the original grades and cross sections.and to a condition as good as,or betfi:rthan existing prior to construction. <br />H.All surfacing materials of roadways and driveway approaChes cut or dama,."Odby or as a result of construction.operations,shall be replaced with.'-ONE <br />WEEK following the backfilling of excavation,weather permitting,with compacted IllYOI'of surfacing materials at least as thick as the existing,and no lessthantwoinches(2")of asphalt conClOteover six inches (6")of aggregate base,both as specified below..- <br />"h'Asphalt Concrete:Combined mineral aggregate shall conform In the quality and gradation requirements for 'l'ype "B"'one-half inch(lI2} <br />maximum aggregate.come or medium gradation as specified.in Section 39 of the California Standard Specifications.The bituminous binder to <br />be mixed with mineral aggregate shall be paving .asphalt having (Grade PO 64-101 unless otherwise directed by the Engineer.Placement of <br />asphalt concrete surfacing shall conform to the applicable provisions ofSection 39 of the California Standard Specifications. <br />2.Aggregate Base:Combined mineral aggregates shall confon:n to the qualify and the grading for lhree-quarter inch (3/4")maximum size <br />aggregate Class 2 Aggregate Base specified in Section 26 of the California Standard SpeciJieations. <br />1 Befure acceptance of ,"pairs In the County road rights-of-way,all unsightly and detrimenbil dirt,dust and/or dehds sha1Ibe removed and the construction <br />areas left in a neat and presentable condition(s).- <br />L If necessary.County road traveled.way and driveway pijVements shallbe washed with wa:terto fCID9ve dirt-and dust <br />2.Driveway approaches and field entrance pavements damaged by equipment or spoil banks shall he repaired as directed by the Engineer. <br />J.Upon request by the County,any set1lement,sagging of surface.or cracking of pavement shall be repaired immediately by and at the sole expense of thePermitteeforaperiodofoneyearfollowingacceptanceofthework. <br 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