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A Before obstructing any private driveway enfra!1ce or County road traveled way with a trench,spoil bank,.equipment or other barrier permitted for any <br />prolonge.d..period o4ime.the Perrnittee-shall notify the known users ofllie respective thQrougbfare(s)involved,.and shall provide ace::ss for vehicular andpedf:strian traffic to an.d from the road.., <br />1.Unless otherwise 'permitted.all work shall be conducted in such a manner that no less than one lane ofllie exist41g County road traveled waywill <br />be maintained open to public traffic during working bours in a smoothJ~nd safe riding condition(s).Two lanes shall be open after wDrking hours. <br />2.Tncases where road closure is permitted,.the permission tDclose the road wilI be granted under ,the condition that the Permittee notifY the <br />forrowing persons and/or agencies of the time.the period of clos.ure.and-the detour route.at least tWenty.Jour (24)hours prior to said roa.d closure. <br />a The County of San Joaquin Publio Worlcs Depariment.d.The local fire district . <br />b.The County of San Joaquin Sheriff's Office e.The local school district <br />c.The local postal service f:The local residents rn.volved <br />B.shouid hazardous Conditions relative to tIre installatiDD-operations warran~f1accmen,.as many capable flagmen as may be necessary shall be provided.by the <br />Pcmrlttee and stationed in advance ofwork to wam and directrraffic.,..c.Lights.signs and barricades shall be furnished,.erected and maintained by the Permittee for the adequate warning and convenienc~of the public;with.particular attention to be taken in this regard after dark. <br />D..Azy excess dirt and/or debris which might be a hazard to either automobile of pedestrian traffic~1JD.controliable by lights.signs and barricades.shall beremovedfromthejobsitedaily.. <br />STR"UCTlJRES~ <br />A Walls.of structures shall be such quality and strength that they will resist all pressures ~d will not crack or be deformed in such a way as to create a h~d <br />.or maintenance problem at any time.Tnerefore,the minimum structural requiremeIi.ts for concrete pipe placed under county road rights-of-way shall <br />conform to th.e'foUowing American Association ofS~Highway and transportation Officials (AASHIO}designations.. <br />1.For concrete pipe up to and including thirty~tbree inches (33")inside-diameter~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 AASHrO Designation M 170M Classm..-.3.Plastic pipe conforming to AASHTO Designation 101294. <br />B.All concrete piPe joints with County road rigbts-of,.way shall be sealed against leakage and/or.infiltration with rubber gasket in.confoIDlance with Section <br />65-1:06 of the California Standard Specifications.or with other methods ~may be permitted under tIre Special Provisions.. <br />C.Cast-in.-place concrete pipe,vitrified clay pipe.spiral weIded steel pipe.or conugated aluminum alfoy pipe shall not be installed within the County road <br />rights-of-way unless specifically so stated in.the Speci81 Provisions,and only under the conditions as provided... <br />D.AlI structures to be buried within the County rights-of-way shall be set at such elevations as to allow minimum covera.:,creof thirty inches (3D")to the <br />centerline of the roadways and twelve inches (12'1 at the bottoms of borrow ditches each side of the roadways.The depths Dfstructures shall be established <br />below a fIat plB?e extending across the rights-of-way.no part of which shall extend above the elevations stated above;maIh~oies.lampholes."-valves,eto.not <br />included..Future sUIface elevatiuns shall be anticipated as nearly as possible and structure elevations shall be established for future adjustments 'accordingly. <br />E.The County hereby reserves the right to specify in.the SEecial Provisions the g8.0ll"fland surfac~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 sllIVeyed centerline of road right-of-way,not from right-of-way(border)lines.. <br />,'. <br />AlI excavations shall be backfilled and compacted immediately after work therein has been completed. <br />Trenched shall not be left open farther than 300 feet in advance ofpipe laying operations,or 200 feet to the ~ear thereof;.unless otherwise permitt.f<d by theEngineer..'.. <br />Unless otherwise permitted under the Special Provisions,backfill ~ha1l be placed and mechanically compacted in such a manner that the relative compa:ction <br />throughout the entire fill within the County road ~t-of.way shall copform.to the percentages of compaction as shown on the Trench detail... <br />Backfill material shall bo placed in horizontal unifbrm layers not to exceed in thi?mess,before compactio~0.67 foot in the bedding region.one-foot where <br />90%compaction is required,.and two-feet where 8-0%comp~ction is required... <br />No portion of the excavation(s)shall'be compacted by ponding orjetting unjess amaintenance bond is provided. <br />Gravel backfill material shall be utilized only where specifically so stated on the face of the permit.It shall be compacted by means of aJUgh-frequency <br />in.tem:al vibrator,the compactor to be a size and type approved by the Engineer.Points of compaction shall nDt be greater than 18"centers aild to the full <br />depth ofilie lift.. <br />All pavements.curbs,gutters,sidewalks,borrow.ditches,pipes,head walls,road signs,trees,shrubbery,and/or other permanent road facilities impaired by <br />or as a result of construction operations attlie c6nstruction site(s)occupied by materials and/or equipment,shall be restored immediately upon backfilling of <br />the excavation to the original grades and cross sections,and to a condition as good as.or betierthan existing prior to CODStr11ction. <br />All surfacing materials of roadways and driveway approaches cut or damaged by or as areswt of construction.operations.shall be replaced within.'QNE <br />WEEK following the backfilling of excavatio~weather permitting,with compacted layers ofsurfacingmateriaIs at least as thick as the existing,.and no lessthantwoinches(2"')of asphalt concrete over six inches (6)of aggregate base~both as specified below..,.• <br />-1-."Asphalt Concrete:Combined minernl aggregate shaIl conform to the qu£!ity and gradation requirements for Type "B".Olle-half inch(V2) <br />m.aximum aggregate,coarse or medium gradation as specifi~in Section 39 of the California Standard Specilications.The bituminous binder to <br />be mixed with mineral aggregate shaIl be paving asphalt havmg (Grade PG 64-10),unless otherwise directed by the Engineer_Placement of <br />asphalt CODl4etesurfacing shall conform to the applicable provisions ofSection39 of the C¥ifornia Standard Specifications. <br />2.Agiregate Base:Combined mineral aggregates shaIl conform to the qu£!ity and the grading for tilree-quarter inch (3/4")maximuno size <br />aggregate Class 2 Aggregate Base specified in Section 26 of the California Standard Specifioations. <br />Before acceptanoe oftepairs to the County road rlghts-<Jf-way,all unsightiy and detrimentll1 dirt,dust and/or debris shaIl be removed and ilie construction <br />areas left in aneat and presentable condition(s). <br />L IfnecElssary.County road traveled way and driveway P'!Yements sbaJJbe washed with water to rem9ve dir!:and dust <br />2.Driveway approaches and field entrance pavements damaged by equipment or spoil banks shall be repaired as directed by the Engineer. <br />pon request by the County.any settlement.,sagging of surface,.or cracking of pavement shall be repaired immediately by and at the sole expense of the <br />ermitteo for a period of one year following acceptance of the work.