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GENERAL PROVISIONS <br />GOVERNING INSTALLATION OF SUBSURFACE STRUCTURES AND PIPELINES WITHIN COUNTY ROAD.RIGHTS-OF-W AY . <br />PUBLIC CONVENIENCE AND SAFETY: <br />A Before obstructing any private driveway entrance"or County road traveled way with a trench,spoil bank.equipment or other barrier permitted for any <br />prolonged...period o4!m.e"the Permittee-shall notify the known users oftbe respective th.owllgbfare(s)involved,and shall provide access fOF vehicular andpedestriantraffioto-and from the road.. <br />1.Unless otherwise permitted,all work shall be conducted in such a mannerfuat no less than Gne lane ofthe existqIg Courrty road traveled way will <br />be maintained open to public traffic during working hours in a smoot1LlWdsafe riding conditiones).Two lanes shall be open after working hours. <br />2.In cases where road closure is permitted"tlIepermission to cIose the road will he granted under :the condition that the Permittee notifY the <br />falfowing persons and/or agencies of the time,the period of closure.and-the detour route.at least tWenty.,.four(24)hollIS prior to said.road closure.a.The County ofSan 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.ShaDid hazardollS Conditions relative totlre installa.tion.operatiollS warr-an~flagmen.,as many capable flagmen as may be necessary shall be provided_by the <br />Permittee and stationed in advance of work to wam and direct traflic.. <br />.C.Lights.signs and barricades shall be furnished,erected and maintained by the Permittee for the adequate warning and convenienc~ofthe public.withparticularattentiontobetakeninthisregardafterdark. <br />D..Any excess dirt and/or debris which might be a hazard to either automobile at pedestrian traffic.vncontroliable by lights.signs and barricades,shall berem(;lvoo from the jobsite daily. <br />STR"UCTURESc <br />A Walls of structures shall be such quality and strength that they will resist all pressures an,dwill not crack or be defurmed in such a way as to create a~d <br />.or maintenance problem at any time.Tfierefore,.the minimum structural requirements for concrete pipe placed under county road rights-of-way shall <br />conform to the'fo1l6wing American:Association of State Highway and transportation Officials (AASIITO)designations. <br />1.For c6ncrete pipe up to and including thirty-three inches (33")insidediarne."er.extra strength concrete'conforming toAASHTO DesignationM <br />170M.. <br />..2..For concrete pipe thirty-six inches (36")inside diameter and larger.reinforced concrete pipe conforming to AASHI'O Designation M 170M Classill.. <br />3.Plastic pipe conforming to AASIITO Designation 11294. <br />B.All concrete piPe joints with.County road right:-of-way shall be sealed against leakage and/of,infiltration with robber gasket in conformance with Section <br />65-1:06 of the California Standard Speci.fications~or with.other methods ~may be permitted under the Special Provisions.. <br />C.Cast-in-place concrete pipe,vitrified clay pipe~spiral welded steel pipe,or corrugated aluminum alfoy pipe shall not be installed within the County road. <br />rights-of-way l.ID1essspeci:fically so stated in the Spechll Provisions,and only under the conditions asprovided... <br />D:.Jill str-uctures to be buried within the County rights-of-way shall be set at such elevations as to allow minimum covera.:,o-eofthirty inches (30")to the <br />centerlino 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 plB?e extending across the rights-of-way.no part ofwhich shall extend above the elevations sWed above;man..i.oi.es.lampholes.~alves~etc,not <br />included.Future 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 specifj in the Sp':ecialProvisions the gage and surfaq;treatment of any galvanized corrugated metal pipe that-is to be <br />fusmlle~. <br />F.All longitudinal utility facilities are to be established (and dimensioned on sketches)from surveyed centerline of road right-of-way.not from right-of-way <br />(border)lines.. <br />lEPATRS OF THE COUNTY RIGHT-OF-WAY: <br />A- <br />B. <br />C.' <br />D. <br />E. <br />F. <br />0. <br />H. <br />1 <br />J. <br />, <br />All excavations shall be backfilled and compacted immediately after work.therein has been completed. <br />Trenched shall not be left open fartllerthan 30.0 feet in advance of pipe laying operations..or 200 feet to the ~ear thereo~unless otherwise perrnittt<d by theEngineer... <br />Unless otherwise permitted under the Special Provisions.bacIdillshall be placed and mechanica1Iy compacted in.sUchamanner that the relative compaction <br />throughout the entire fill within the Coum;yroad rigb.t-of-way shall copform to the percentages:of compaction as shown onthe Trench detail .. <br />BacIcfill material shall be placed in horizontal uniform layers not to exceed in thi?mess.before compaction,0.67 foot in the bedding regioIi,one-foot where90%compaction is required.and two-feet where 8-0%comp~on is required..,. <br />No portion of the excavation(s)shall"be compacted by ponding orjetting un:Iess a maintenance bond is provided. <br />Gravel backfill marerial ,hall be utilized only where specifically so staled on the face of the pemllt It ,hall be compacted by means of .high-frequency <br />intemaI vibrator.the compactor to be a size and type approved by the ;Engineer.Poinf:5of compac1;ion shall not be greater than 18"centers and to the full <br />depth of the lift..'.". <br />All pavements~curbs.gutters.sidewalks.bnl1'Ow ditches.pipes"head walls.road signs.trees,shmbbery.and/or other permanent rbad facilities impaired by <br />or as a result of construction operations attlie cOnstruction simes)occupied by materials and/or equipment;.shall be restored immediately upon backfilliDg of <br />.the excavation to the original grades and cross sections.and to acondition as good as.or better 1han existing prior to construction. <br />Al!surfacing materials ofraarlways and driveway approaChes cut or dama.:,o:redby or as aresuIt of construction.operations.shall be replaced within'ONE <br />WEEK fullowing the backfilling of excavation.weather permit!ing;with compacted 1a;yersof surlilcingmateria1s at least as thick as the existing;and no less <br />than two inches (2")of asphalt concreto over sixincbes (6")of aggregate base.both as specified below..• <br />'.1'.-Asphalt Concrete:Combinedmineral aggregate shall conform to the qualily and'gradation requirements for Type "B"'one-half incb(1J2) <br />maximum aggregate.coarse or medium.gradation as specified in Se~on 39 of the Califomia Standard Specifications.The bituminous binder to <br />be mixed with mineral aggregate shall be paving asphalt having (Grade PG 64-10).unless otherwise directed by the Engineer.P1arement of <br />asphalt concrete SUIfacing shall conform.to the applicable provisions of Section 39 of the California Standard Specifications. <br />2.Aggregare BaSe:Combined mineral aggregares shall confonn to the quatily and the grading for tlrree-<[uarter incb (314")maximum size <br />aggregare Crass 2 Aggregate Base specified in Section 26 of the Ca1ifumiaSlandard Specifications. <br />Before acceptance oftepairs to the County road rights-of-way.all unsightly and detrimental dirt.dust and/or debris shall be removed and the construction <br />areas left in a neat and prese.ntable condition(s). <br />L Ifnecessaxy.Counly road traveled way and driveway P'!Vements shall'be washed with walerto =9ve 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 />Upon request by the County,any settlement"sagging of surface,or cracking ofpavernent shall be repaired immediately by and at the sole expense of the <br />Permit:tec for a period of one year fQllowing acceptance of the work.