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GENERAL PROVISIONS <br />GOVERNING INSTALLATION OF SUBSURFACESTRUCTURES AND Pll'ELINES WITHIN COUNTYROAD-R1GHTS-OF-WAY : <br />PUBLIC CONVENIENCE AND SAFETY: <br />A Before obstructing any private driveway entrance or County road traveled way with 8trench.spoil bank.equipment or other barrier permitted for any <br />prol0n~eriod ofJ;imc,th:Permittee..shall notify the known users oftherespective thorougbfare(s)involved.and shall provide access for vehicular andpedestriantraffictoandfromthemad.. <br />1.Unless otherwise permitted,all work shall be conducted in sucb a manner that DO less than one lane of the existi~g County road traveled way will <br />be maintained open to public traffic during working hours in a smooth.end sa:[:riding condition(s).Two lanes shall be open after working hours. <br />2.In cases where road closure is pemti~the permission to close the road will be granted under the condition that the p~notify the <br />furrowing persons andlor agencies oftbe time.the period of closure •..and..tbe detour route at least tWenty-tour (24)hours prior to said ,road closure.s.The County uf San Joaquin Public Works Department.d.Theloca1 fiIo district <br />b.The County of San JoaquiII Sbcrifi's Office -e.TheJoca1 scbool district <br />c.The local postal service f The local residents involved <br />B.Sbould hazardous eonditioos relatiYcto tho installatioo.op.,...lions warnm!flagmen.as many capable flagmen as may be necessary shall be piovided.by thePermitteeandstationedinadvanceofworktowarnanddirecttraffic...c.Lights,signs and barricades shall be furnished,erected and maintained by the Pennittoc fur the adequate warning and convenien~of the public,with <br />particular attention to be taken in this reganlaftu darlc.. <br />D..Any excess dirt and/or debris which might be a hazard to either an1Dmobile of pedestrian traffic,\DlcontmllabJe by lights,signs and barricades,shall heremovedfromthejobsitedaily. <br />STRUCTIJRES~ <br />A Walls of structures shall be such quality and strength that they will resist alI pres~&n,dwill not crack or be deformed in such a way as to create a ~d <br />.ormaintenance problem at any time.Tlien:fore.the minimum structural requirements for concrete pipe placed under county road rights-of-way shall <br />confurm to the'followiug American Association ofSllltc Highway and transportation Offiolals (AASHIO)designations.. <br />1.For concrete pipe up to and including thirty-three inches (33")inside-diameter,extra strength con~conforming to AASHTO Designation M170M. <br />.-2.For concrete pipe thirty-six inches (361 inside diame'"l-CI'and l~.reinforced CODCIetepipe conforming to AASHTO :QesignationM 170M ClassIII.. <br />3.Plastic pipe confurming to AASIITO Designatioo M294. <br />B.All concrete piPe join'ts with County road rights-of-v.ray shall be sealed against leakage and/or.infiltration with rubber gasket in conformance with Section65-1:06 of the California Standard Specifications.or with o1her methods as may be permitted undcctlre Special Provisions.. <br />C.Cast-in-place concrete pipe.vitrified clay pipe,spiral welded steel pipe.or COIlllgated aluminum alfoy pipe shall not be installed within the County road <br />rigbts-i>f-way tmless specifically so stated in the SpeciaI Provisions"and only under the conditions as provided. <br />D.All structures to be buried within the Cotmty rights-of-way shaH be set at such elevations as to allow minimum coverage of thirty inches (30")to the <br />centerline of the roadways and twelve inches (12j at the bottOms of borrow ditcJ:Jeseach side of the roadways.The depths of structures shall be established <br />below a flat plane extending across the rights-of-'WaY,DO part of which shall extend above the elevations stated above;manholes,Iampholes,VaIves,etc.not <br />included.Fll1:uie 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 specify in the SEtcial Provisions the gage and ~treatment of any galvanized corrugated metal pipe that-is to beinstalled. <br />F.All longitudinal otility facilities arc to be est>l>lisbcd (and dimensioocd 00 sketches)from surveyed centcriine of mad right-<lf-way.oot from right-<lf-way(border)lines.. <br />REPAIRS OF THE COUNTYRIGHT-OF.WAY:. <br />A All excavations shall be backfilled 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.or200 feet to the rear thereo~unless otherwise ~by theEngineer...:. <br />C..Unless otherwise permitted under the Special Provisions,back6ll thali be placed and mechanically compacted in .such a manner that the telative campa:ction <br />throughout the entire fill within the County road ri&b:t~f-way shall conform to the percentages of compaction as shown on the Trench detail .. <br />D.Backfill material shall be placed in horizontal uniform layers not to exceed in fui?mcss.before compaction,0.67 foot in the bedding region.one -foot where90%compaction is required.and two-feet where 80%compfidion is required.... <br />E.No portion of the cxcavation(s)shall'be compacted by pending orjetting un1ess a maintenance bond is provided. <br />F.Gravel backfi1l malcrial shall be otilizcd culy where spceificaJJy so stated 00 the face of the permit It shall be compacted by means ofahigh-frequency <br />internal vibrator,the compactor to be a size and type approved by the Engineer.Points of compaction shall not be greater than 18"centers and to the :fulldepthofthelift.. <br />G.All pavements,curbs.~,sidcwalks.borrow ditches,pipes.hcad walls,road signs,trees.shrubbery,and/or other permanent road facilities impaired by <br />or as a result of construction opemions at the construction site(s)occupIed by malcrials and/or equipment.shall be restored immediately upon bacldilling of <br />the excavation to the original grades and cross sections.and to a condition as good as,or better1han existing prior to construction. <br />H.All surlRcing materials ofroadWll)'S and driveway appmaChes cut or dlnnllged by or as a result of construction.openllions.shall be replaced within 'ONE <br />WEEK following the back:lilling of excavation.weather pennitting,with compacted layers of surfacing materials at least as thick as the existing,and no lessthantwoincbes(2")of asphalt cone>m over six incbes (6)of aggregate base,both as specifiC<!below...-, <br />"k Asphalt Concrete:Combined mineml aggregate shall conform to the quality and grndatioo requirements fur Type "B""nc-half incb(l12) <br />maximum _aab;come or medium gradatioo as specified in Sectioo 39 of the California Standard Specifications.The bituminous binder to <br />be mixed with mineml aggregate shall be paving 1lSphalthaving (Grade PO 64-1O~unless otherwise directed by the Engineer.Placement of <br />asphalt concrete surfacing shall conform to the applicable pmvisions of Section 39 of the California Standard Spceificatious. <br />2.Aggregate Base:Combined mineml aggregates shall confurm to the quality and the grading for 1hrec-qUBrter inch (3/4")maximum sizeaggregateCiass2AggregateBasespecifiedinSection26oftheCaliforniaStandardSpecifications. <br />1 Before acceptance of "'Pairs to the Conoty road rights-<lf-way,all unsightly and dc1rimental dirt.dust and/or debris sball be removed and the constructioo <br />areas left in a neat and presentable condition(s). <br />1.If necessary,County road traveled way and driveway p~ent5 shall.be washed with water to rem9ve dir!and dust <br />2.DriveWay approacbes and ficid entrance pavements dlnnllged by eqnipment or spoil banks shall be repaired as directed by the Engineer. <br />J_Upon request by the County,any setticment.sagging of surface.or cracking of pavement shall be repaired immediately by and at the sole expense of thePermitteeforaperiodofoncyearfollowingacceptanceofthcwork. <br />F:\PERMITS COUNTER.~eneralprovisions\Wmter Weath:r Provisions.doa..