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GENERAL PROVISIONS <br />GOVERNING INSTALLATION OF SUBSURFACE STRUCTURES AND Hi-ELmES WITHIN COUNTY }lOAD-RIGHTS-OF-WAY . <br />PUBLIC CONVENIENCE AND SAFETY: <br />A Beforeobstructing any private driveway entrance or COUfu"y road traveled way with atrench,spoil bank;.equipment orother barrier permitted for any <br />prolonged..period o4imc.the Permittee-shall notify the known users ofllie respective th0.T.Ougbfare(s)involved.and shall provide a~ss fOf vehicular andpedestriantrafficto-and from the road.. <br />1.Unless otherwise permitted,all work shall be conducted in such a manner that no less than one lane ofthe existipg CoUIIiy road traveled way will <br />be maintained open to public traffic during working hours in a smooth.EJ.ndsafe riding condition(s).Two lanes shall be open after working hours. <br />2.In cases where road closure is permitted,.the permission to close the road will be graE.ted under .the condition that the Permittee notifY the <br />farrowing persons and/or agencies of the time,the period of closure,and-the detourroute.at least tWen1y.,.four(24)hours prior to said.road closure. <br />a The County of San Joaquin Public Works Department _d.The local fire district <br />b.The County of San Joaquin Sheriffs Office e.The local school district <br />c.The local postal service f The local residents mvolved <br />B.Shocld hazardous Conditions relative to the installatioD.Dpera:tions warrant i1a.,cmen,as many capable fla",vmen as may be necessary shall be provided_by the <br />Pcrmittee and stationed in advance ofwork to wam and direct traffic.. <br />C.Lights~signs and barricades shall be :furnished,erected and maintained by t1:u::Permittee for the adequate warning and convenien~of the public.with <br />particular attention to be taken in this regard after dark. <br />D..kJ.y excess dirt and/or debris which might be ahazard to either automobile ot pedestrian traffic.vncontrollable by lights,signs and barricades,sh.all be <br />remaved from thejobsite daily. <br />STR1JCTURES~ <br />A.Walls of structures shall he 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~d <br />.or maintenance problem at any time.Tlierefore.the minimum structural requiremen:ts for concrete pipe placed tmder county road rights-of-way shall <br />conform to the'follcrwing Ammcan Association ofStaU:Highway and transportation Officials (AASHTO)designatiOllS. <br />1.For cOncrete pipe up to and including tbirty-three inches (33")inside-diameter.extra strength concrete conforming toAASHTO DesignationM <br />170M.. <br />.'2..For concrete pipe thirty-six inches (36j inside diameter and larger.reinforced concrete pipe confonning to AASHrO Designation M 170M Classm... <br />3.Plastic pipe conforming to AABErO Designation 11294. <br />B.All concrete pipe joirits with County road right5-of-way shall be sealed against leakage and/or.infiltration with rubber gasket in conformance with Section <br />65-1:06 of the California Standard SpecificatioDS7 or with other methods ~may be permitted undertlre Special Provisions.. <br />C.Cast-in-place concrete pipe.vitrified clay pipe~spiral welded steel pipe,or COmIgated aluminum alfoy pipe shall not be installed within the ComIty road. <br />rights-of-way unless specifically so stated in the Speci&Provisions.and only under the conditions as provided.. <br />1>.All structures to be buried within the County rights-of-way shaH be set a!such elevations as to allow minimum covera.:.creofthirty inches (30")to the <br />centerline of the roadways and twelve inches (12")at the bottOms of borrow ditches each side of the roadways.The depths of structures shall be established <br />below a flat plane extending across the rights-of-way,no part ofwhicb shall extend above the elevations stated above;IDaIlti.oies.lampholes7 ~alves.etc.not <br />included.FutI..Iie surface elevations 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 specrrj in the Sj2ecialProvisions the gage and surfac~treatment of any galvanized cOmIgated metal pipe that-is to be <br />installed. <br />F.All longitudinal utility facilities are to be estahlished (and dimensioned on sketches)from surveyed centerline ofroad right-of-waY7not from right-oi-way <br />(hord«)Iines_. <br />tEPA.IRS OF THE COUNTY RIGHT-OF-WAY:'.A All excavations shall be baelcEi1ledand 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 operatious7•or 200 feet to the ~ar thereo~unless otherwise pennit::te;d by the <br />Engineer... <br />C..Unless otherwise permitted undertbe Special Provisions.backfill shall be placed and mechanically compacted insuch amanner thatthe relative compaction <br />throughout the entire:fill within the County road rigqt-of-way shall co!!form to the percentages:of compaction as shown on the Trench detail .. <br />D.Back::fiII material shall be placed in horizontal uniform layers not to exceed in tb.i~ess.before compaction..0.67 foot in the bedding region..one -foot where <br />900A compaction is requ~and two-feet where 80%compf1Ctionis required..E.No portion afthe exea:vation(s)shall-be compacted by ponding orjetting un1ess a maintenance bond is provided.. <br />F.Gravel backfill material shall be utilized only where specifically so stated on the face of the permit It shall be compacted by means of ahigh.-frequency <br />internal vibrator,the compactor to be a size and type approved by the Engineer.Pl;lints of compaction shall not be greatertlLan 1&"centers and to the full <br />depth of1he lift.. <br />G..All pavements.curbs.gut:teIs.sidewm.boIl'Ow.ditches.pipes,head walls.road signs.trees.shrubbery.and/or other permanent road facilities impaired by <br />or ~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 better than existing prior to construction. <br />Ii All surfacing ~aterials of roadways and driveway approaChes cut or dama.:,c-edby or as aresult of construction,operations.shall be replaced.within'ONE <br />WEEK following the bacldilling of excavation.weather permitting,with compacted 1a»ers of surfacing materials at least as thick as lbe existing,and no less <br />than two inches (2")of aspblllt concreto DY«six inches (6")of aggregate bilse,both as speciJied below..--r..-Aspblllt Concrete:Combined mineral aggregate shall conform to !be quality and gradation requirements for 1'ype "S".one-ha!f inch(lI2) <br />maximum aggregate.coarse or medium gradation as specified in Se~on 39 oftbe California Standard Specifications.The bit:um.inous binder to <br />be mixed with mineral aggregate shall be paving asphalt having (Grade PG 64-10),UIJ1essolberwise directed by the Engineer.Placement of <br />asphalt concrete surfacing shall conform to the applicable provisions of Section 39 ofthe California Slandard SpeciJications. <br />2.Aggregate B.se:Combined mineral aggregates shall confo""to the quality and lbe grading for tlrre""luarter inch (3/4")maximmn sizeaggregaleClass2AggregaleBasespecifiedinSection26oflbeCalifomiaStandardSpeciJicalions.. <br />L Before acceptance of tepalrs to the County road rights-<lf-way,all unsightly and detrimental dirt.dust and/or debris shall be removed and the construction <br />areas left in a neat and presentable condition(s). <br />L lfnecessary,County road tmeled way and driveway p'fVements shalI-be 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 />J.Upon request by the County,any ,ettlemen~sag"oing of surface,or cracking ofpavemeni shall be repaired immediately by and at the ,ole expense of the <br />Permit:t:ec for a period of one year following acceptance of the work. <br />ERMITS COUN1ER.\ge=:al.provisio:cs\WiDt=r-w~Provisiont.docx: