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GENERAL PROVISIONS <br />GOVERWNG INSTALLATION OF SUBSURFACE STRUCTURES AND PIPELINES WITHIN COUNTYROAD.R1GHTS-OF-WAY . <br />PUBLIC CONVENIENCE AND SAFETY: <br />A Before obstructing any private driveway entrance or County roadtraveled way with atrencb,spoil bank.equipment orother barrier permitted for any <br />prolonged.period of#mc.the Permittte..shall notifY the known users oftbe respective thorougbfare(s)involved.and shall provide access fOf vehicular andpedestriantraffictoandnomthemad.. <br />1.Unless othen:vise permitted,all worle sbalI be conducted in such a manner that no less than eDe lane oflbo exist:4lg Couaty road traveled way will <br />be maintained open 1:0public traffic during working hours in a smootfl.lmd safe riding condition(s).Two Janes shall be opc:.nafter working hours.2.In cases whue road closure is permitted.the permission to close the road will be granted under .the condition that the Pennittce notify the <br />forrowing persons and/or agencies of the time,the period of closure,and.1he detour route at least tWenty.,four (24)hours prior to said.road closure.a.The County of San Joaquin Public Works Departmcnt.d.The local file district <br />b.The County of San Joaquin Sheriff's Office e.The local school district <br />c.The local postal semce f The local residents mvolved <br />B.shouid hazanlous cOnditions "Ialive to the instllIlatinn.operations wamnt flagmen.as many capable f!tlgmen as may be tlecesSlllJ'shall be provided.by the <br />Permittee and stationed in advance of work to warn and direct traffic...c.Lights.signs and banieades shall be fumisbed,=cted and maintained by the Pennittee for the arlequale warning and convenien~of the public,with <br />paItieniar attention to be taken in this "gaxd after darl<. <br />D..A:tIyexcess dirt and/or debris whicl1might he a hazard to either antomobile 01 pedestrian traffic.,!"contmllable by lights,signs and banicades,shall be <br />removed from thejobsitc daily. <br />STRUCTURES~ <br />A Walls of structures sball be such quality and strength fuat they will '"Sis!all pressures an.dwill not creek or be defolDled in such a way as to <:<ealea ~d <br />.or maintenance problem at any time.TIicrefore,the minimum structI.lrn1requi.rements for concrete pipe placed under county road rights~f-way shall <br />confbrm to the'fullowiog Amerl"""Association of State Highway and lrmlsportmion Officials (AASHTO}designations. <br />1.For c6ncrete pipe up to andincluding thi.rty-three inches (33")inside-diameter,extra strength concrete conforming to AASHTO DesignationM170M.. <br />.'2..For concrete pipe thirty-six incl1es (361 inside diameter and larger,reinforced concrete pipe conforming to AASHTO Q~gna:fionM 170M Class <br />III . <br />3.Plastic pipe confurmingto AASlITO Designation M29~. <br />B.All con=te piPe joinb with County road rights-of.way shall be scaled against leakage and/or.infiltration with rubber gasket in confulDlance with Section65-1 :06 of the California Standard Specifications,or with other methods ~may be pennitted under the Special Provisions.. <br />C.Cast-in-place coiI=te pipc,vitrified elay pipe,spiral welded stce1 pipe,or cormgated aluminum alfoy pipe shall not be installed within the County road <br />rights~f-way unless specifically so stafed in the Special Provisions.and only under the conditions as provided. <br />D.All stroct=s to be buried within the County rights-of-way shaH he set at such elevations as to allow minimum covern,.oeof thirty inches (30")to thecenterlineoftheroadwaysandtwelveinclles(12.,at the bottOms of borrow ditches each side of the roadways.The depths of structures shall be established <br />below a fiat pl~e extending across the rigbts~f-way.no part ofwhich shall extend above the elevations stated above;manholes,Iampholes.'-valves.etc.not <br />included.Future suditcc elevations shall be anticipated as nearly as possible and structure elevations shall be established for fi:rtu.readjustments'accordingly. <br />E.The County hrnby '"Serves the right to specify in the Special Provisions the gage and ~treatment of any galvanized corrugated metal pipe thal"is to beinstalled. <br />F.All longitudinal ntilitylilcilities are to be es1Jlblished (and dimensioned on sketches)nom surveyed centerline of road right-of-way.not from right-of-way(border)lines.. <br />REPA1RS OF THE COUNTY RIGHT-OF-WAY:,' <br />A All excavations shall be backfil1ed and compacted immediately after work therein has been completed.. <br />B.Trenched shall not be left open fartberthan 30,0 feet in advance ofpipe laying opcmtions.or200 feet to the ~tbetto:t unless otherwise p~by theBogince.-....c..Unless otheIWise permitted under the Special Provisions,backfill thall be placed and mechanically comp:lCted in'such a manner that the relative compaction <br />throughout the entire :fillwithin the County road ri~t-of-wa.yshall copform to the percentages of compaction as shown on the Trench detail... <br />D.Backfill material sball be placed inbomontal unifurm layers oot to exceed in thickness.before compaction,0.67 foot in the bedding region.one -foot wbrn90010compactionisrequired.and two-fect where 8<l%comp~on is required.. <br />E.No portion of the excavation(s)shali'be compacted by ponding orjetting unless a maintenance bend is pmvldad. <br />F.Gravel backfill matrnal sball be utilized eniy wbrn specifically so staled on the face of the pennit It shall be compacted by means of ahigh-frequency <br />intema!vibrator.the compactor to be a size and type approved by the Engineer.Points of compaction shall not be greater than 18"center!:and to the full <br />depth of1he lift.. <br />O.All pavements.cums,gutters.sidewalks,borrow ditches,pipes,head walls.road signs,trees,sbrubbClJ'.and/or other pennanent road lilcilities impaired by <br />or as a result of construction operations atthe cOnstruction site(s)occupIed by matrnals and/or equipment,shall be ~l'd immediale1y upon backfilling of <br />the c:xcavation to the original grades and cross sections.and to acondition as good as,or bettcr1han existing prior to construction. <br />H.All surfilcing matrnals ofroadways and driveway approaChes cut or damaged by or as aresu1tofconstruction.operations.shall be '"Placed within'ONE <br />WEEK fullowing the bacldilling of ",cavation,weather permitting,with compacted layers of surfucing materials at least as thick as the existing,and no lessthantwoinches(2")of asphalt conc.-ete over six inches (6")of aggregate base,hoth as specified below... <br />~.'Asphalt Con=te:Combined mineral aggregate shall OOnfulDlto the quality and gradation requirements for Type "B",me-ba1f inch(ll2} <br />maximum aggregate,coarse or medimn gradation as specified in Section 39 of the CalIfornia StBIlllard Specifications.The bituminous binder to <br />be mixed with mineral aggregate sball he paving asphalt baving (Grade PO 64-10).unless otherwise directed by the Engineer.Placement of <br />asphalt conClete surfucing shall confurm to the applicable provisions of Section 39 of the California Standard Specifications. <br />2.Agg!egate Base:Combined mineral aggregates sball confornl to the quallly and the grading for tbree-qumter inch (3/~")maximum size <br />aggregate Class 2 Aggregate Base specified in Section 26 of the CalIfornia Standard Specifications. <br />L Befure acceptance ofrx:pairs to the County road rights-of-way.all unsightly and detrimental dirt,dust and/or debris shall be "moved and the construction <br />areas left in a neal and p'"Sentable condition(s). <br />1_If neccsslllJ',County road traveled way and driveway p'l\'CDlents shall'be wasbed with ~to =9"e dir!and dnst <br />2.Driveway approaches and field entrance p ••ements damaged by equipment or spoil banks shall be "paired as directed by the Engineer. <br />J.Upon reqnest by the County,any settlement,sagging of swface,or cmcking of p••ement shall be '"Paired immediately by and at the sole expense of the <br />Permittee for a period of onc year following acceptance of the work.. <br />\PERMITS COmnEl\gcDcnl pnnrisions\Wmter-We:dl:r PnMslons.docx..