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",\. <br />GENERAL PROVISIONS <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 with atrench,spoil bank.equipment or other barrier permitted for any <br />prolong-...d.period o~l:,.the Pennittee..sbaIl notify the known users ofllie respective thO!tlugbfare(s)involved,and shall provide access for vehicular and <br />pedestrian traffic to and from the road.. <br />1.Unless otherwise permitted.all worle shall be conducted in such a manner that DO less than ene lane of the existipg County road traveled way will <br />be maintained open to public traffic during working hours in a smooth.'!.D.dsafe riding condition(s).Two Janesshall be open after working hours. <br />2.In cases where road closure is pemri~the permission to close the road will be granted under :the condition that the Permittee notify the <br />folTowiDg pen:ons and/or agencies of the time.the p~od of closure,and.the detour route at least tWenty.,four (24)hours prior to said.road closure. <br />a The County of San Joaquin Public Works Department .<i .The local fire district <br />b.The County of San Joaquin Sheriff's Office e.The local school district <br />c.The local postal sernco f The local residents b.volved <br />B.Shouid hazardous Conditions relative to tl:reinsta1latiaD..operations warra.."ltflagmen.as many capable flagmen as may be necessary shall be provided_by thePermitteeandstationedinadvanceofworktoWatnanddirecttraffic.. <br />C.lights.signs and barricades shall be furnished.erected and maintained by t:hf:Permittee forthe adequate warning and conveniCD~of the public~with <br />particular attention In be talcCllin this regan!ailtr darlc. <br />D..Any excess dirt and/or debris which might be a hazard In either anlnmobile of pedestrian traffie.\Il1ccn1rollahle by lights,signs and barricades,sha1I be <br />rem~ved from the jobsrn:daily. <br />STRUCTIJRES~ <br />A Walls of structmes shall be such quality and s1re.ngththat:they 'Vlillresist all pr--...ssuresan.dwill not crackor be defOimed in such away as to create a ~d <br />.or maintenance problem at any time_Tfiettfore,the minimum structnral requm.menls for concrete pipe placed under county road rights-of-way shall <br />confonn to the'follo'Wing American:Association ofSt:.a:te:Highway and transportation Officials (AASHTO)designations. <br />1.For concrete pipe up to and including thirty-three inches (33'')ioside-diameter~extra strength concrete conforming to AASHTO Designation M170M. <br />..2..For concrete pipe thirty-six:inches (38')inside diameter and laIger.reinforced concrete pipe conforming to AASHrO Designation M 170M ClassTIl.... <br />3.Plastic pipe CCillL""ormingtoAASHTO Designation M294. <br />B.All concrete piPe joints with County road rights-of-way shall be sealed against leakag-e and/or.infiltra:tion with rubber gasket in conformance with Section <br />65-1:06 of the CaIifomiaStandard Speciiications~or with other methods ~may be permitted underth-e Special Provisions.. <br />C.Cast-in-place concrete pipe,vitrified clay pipe.spiral welded steel pipe.or corrugated aluminum alIoy pipe shall not be installed within the County road <br />rights-of-way unless speciiic:ally so stated in the SpeciaI Provisions.and only under the conditions as provided... <br />D:All structures to be buried within the County rights-of-way shaHbe set at such elevations as to allow minimum CXlvera",~of thirty inches (30")ta the <br />centerline of the roadways and twelve bc.hes (12j 21the bottOms of borrow ditches each side of the roadways.The depths ofstructnres shall be established <br />below a flat plane extending across the rights-of-way~no part of which shall extend above the elevations stated above;manhoies~lampholes~valves.etc.not <br />included.F1.11:niesmface elevations shall be anticipated as nearly as possible and structure elevations shall be established for fiIture adjustments.accordingly. <br />E.The County hereby reserves the right to specifoj in the S2ecial Provisions the gage and ~treatment of any galvanized corrugated metal pipe that-is to be <br />installed-F.All longitudinal ntilityfacilities are to be estab1ished(and dimensioned O!l sketches)from surveyed centerline ofroad right-of-way.not from right-of.way(border)lines.. <br />lEPAIRS OF THE COUNTY RIGHT-OF-WAY:.'.A All excavations shall be baclcfilled and compacted immediately after work therein has been completed.. <br />B.Trenched shall not be left open farther than 300 feet in advance of pipe laying operations •.or 200 f::etta the x:earthereo~unless otherwise p~by the~~~.... <br />c..Unless otherwise pamitted under the Special Provisions.bacldill ~hall be placed and mechanically compacted in'such amanner that the relative compaction <br />throughout the entire fill within the County road ri~t-of-wayshall copform ta the p~tages of compaction as shown on the Trench detail... <br />D.Backfill D12terial shall be placed in horizontal uniform layers not to exceed in thi~ess~before compaction.0.67 foot in the bedding regiori"one -foot where <br />900A compaction is required,and two-feet where 80%comp~on is required..' <br />E.No portion of the cxcavation{s)shalJ:be compacted by PODding orjetting un1ess a maintenance bond is provided... <br />F.Gravel hackfill malerial shall be utilized only where specifically so st2ted on the face of the permit.It shall be compacted by means of ahigh-frequency <br />internal vibrator,the compactor In he a size and type approved by the Engineer.Points of compaction shall not be greater than 18"cenler5 and In the full <br />depth of the lift.. <br />G.All pavements.curbs,gutters.sidewafu,borrow ditches,pipes,head walls.road signs,trees,shrohbClJ'.andlor other pennaneot road facilities impaired by <br />or as a result of construction operations att:fJe cOnstruction sit--...(s)occupied by materials and/or equipment shall be restored immediarelyupon back:filling of <br />the excavation to the original grades and cross sectio~and to a CODditionas good as,or better than.c:xisting prior to construction. <br />Ii All surfucing mall:rials of roadways and driveway approaChes cut or dama"oed by or as a result of constroctio",operations.shall be replaced within'ONE <br />WEEK following the bacldilling of excavanon.weatherpennitting,with compactad.layers of swfacing materials at least as thick as the existing,and no less <br />than two inches (2")of asphalt CODcreteover six inches (6")of aggregate base.both as specified below..•-t.-Asphalt Concrete:Combined mineral aggregate shall conform to the quality and gradmon requirements for Type "B"-.ne-ha1f inch(lJ2) <br />maximum aggregate.coarse or medium gradation as specified in Section 39 of the Califbmia Standard Specifications.The bituminous hinder In <br />be mixed wifu mineral aggregale shall he paving asphalt having (GradePG 64-10).unless otherwise directed by the Engineer.Placement of <br />asphalt con""te SUIfaoing shall COnfoIIIlIn the applicable provisions of Section 39 of the California Standard Specifications. <br />2.Aggregate BaSe:Combined mineral aggregates shall confon;n In the quality and the grading for three-quarter inch (3/4")maximum size <br />aggregm Class 2 Aggregate Base specified in Section 26 of the Califbmia Standard Specifications. <br />L Before acceptance oftepairs In the County road righls-af-way.all unsightly and detrimental dirt,dust and/or debris shall be removed and the construction <br />&US le.r.""tina neat and presentable condition(s). <br />L IfDecessary,County road traveled way and drivewaYP'lVements shall'be washed with water In =9ve dir!and dust <br />2.Driveway approaches and field entrance pavements damaged by equipmCllt or spoil backs shall be repaired as directed by the Engineer. <br />J.Upon request by the County,any sell!emen!,sagging ofsUIface.or cracking ofpavemeni shall be repaired immediately by and atthesole expense of the . <br />Permittee for a period of one year following acceptance of the work.