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GENERAL PROVISIONS <br />GOVERNING INSTALLATION OF SUBSURFACE STRUCTURES ANDPIPELJNES WITHIN COUNTY ROAD-RIGHTS-OF-WAY . <br />PUBLIC CONVENIENCE AND SAFETY: <br />A Beforeobstructing any private driveway entrance or COUD.L"'yroad traveled way with atrench,spoil bank.equipment orother barrier pemlitted for any <br />prolonge.d.period of..9me,the Permittee-shall notify the mown usern oftbe respective thorongbfare(s)involved,and shall provide access fOf vehicular and <br />pedestrian traffic to-and from the road.. <br />1.Unless otherwise permitted,all work shall be conducted in such amanner that DOless than 6!le lane oithe exist4J.gCounty road traveled waywill <br />be maintained open to public traffic during working hours in a smootJumd safe riding condition(s).Two lanes shall be open afterworking hours. <br />2.In cases where road closure is permitted,the permission to close the road will be granted under .the condition that the Permittee notifY the <br />forrowing persons andror agencies of the time.the period of closure.and-the detour route.at least tWenty.,.four(24)hours priorto said.road closure. <br />a The County of Ban Joaquin Public Works Department.d.The local fue district <br />b.The Counfy of SanJoaquin Sheriffs Office e.The local school district <br />c.The local postal service f The local residents m.volved <br />B.shouid hazardous conditions relative to the installatiao..operatioDS warran~flagmen.as many capable flagmen asmay be necessary shall be provided_by thePermitteeandstationedinadvanceofworktowamanddirecttraffic.. <br />C.Lights~signs and barricades shall be furnished,.erected and maintained by thf:Permittee for the adequate warning and col1Venienc~oftke public.with <br />particular attention to be taken in this regard after dark. <br />D..hy excess dirt and/or debris which might be ahazard to either automobile at pedestrian traffic~1JD.controllableby lights,signs and barricades,shall be <br />removed from the jobsitc daily. <br />STR"UCTURES~ <br />A Walls ofstructmes shall be such quality and strength thaftheywill resist all pressures an,dwill not crack orbe deformed in such a way as to create ahaz~d <br />-or maintenance problem at any time.Tfierefore.the minimwn structural requirements fur concrete pipe placed under county road rights-of-way shall <br />conform to the'following American Association ofStaU:Highway and transportation Officials (AASHIO}designations. <br />1.For cOncrete pipe up to and including tbirty-tbree inches (33'1 inside-diameter,extra strength concrete conforming to AAsHTO DesignationM170M. <br />.'2..For concrete pipe thirty-six inches (36")inside diameter and larger.reinfornxl concrete pipe conforming to AASlITO Desigoafion M 170M Classm.... <br />3.Plastic pipe conformingto AASHTO Designation M294. <br />B.All concrete piPe joints with Coun.ty road rights-of-way shall be sealed against leakage and/or.infiltration with robber gasket in conformance with Section <br />65-1:06 of the California Standard Speciiications,or with other methods !1S may be permitted under the Special Provisions..c.Cast-In-place concrete pipe,vitrified clay pipe~spiral welded steel pipe,or corrugated aluminum.alfoy pipe shall not be installed within the CoUIlty road <br />rights-of-way unless specifically so stated in the SpeciBIProvisions.and only under the conditions as provided. <br />D,AlI structnres to be buried within the County rights-of-way shaHbe set at such elevations as to allow minimum coveffic,lTf;of thirty inches (3D")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 fIat plane extending across the rights-of-way,no part ofwmch shall extend above the elevations stated above;manholes.larnpholes,~a1ves~etc.not <br />included.Future surface elevations shall be anticipated as nearly as possible and structure elevations shall be established for future adjustments .acoordingly. <br />E.The County hereby reserves the right to specify in the SI!eciaIProvisions the gage and s~treatment of any galvanized corrugated metal pipe that-is to be <br />installed. <br />F.AlI longitudinal1Ifility facilities are to be established (and dimensioned on sketches)from surveyed centerline of road right-of-way.not from right-of-way(border)lines.. <br />lEPAIRS OF THE COUNTY RIGHT-OF-WAY: <br />A <br />B. <br />c.. <br />D. <br />E. <br />F. <br />G, <br />li <br />L <br />J. <br />:'.All excavations:shall be backfilled and compacted immediately after wade therein has been completed. <br />Trenched shall not be left open farther than 30.0 feet in advance ofpipe laying operations •.or 200 feet to the ~ar thereof,unless otherwise p~by the <br />E~e~. <br />Unless otherwise p~tted under the Special Provisions.backfill !ihall be placed and mechanically compacted in.sUchamanner that:the relative compaction <br />throughout the entire fill Vlitbin the County road ~t-of-way shall copform to the percentages of compaction as shown on the Trench detail... <br />Baclcfill material shall be placed in horizontal uniform layers not to exceed in thi~kness.before compaction"0.67 foot in the bedding region.one -foot where <br />90%compaction is required,and two-feet where &0%comp~on is required... <br />No portion of the exeavation(s)shall.be compacted by ponding orjetting un:1essa maintenance bond is provided... <br />Gravel baclcfil1 material shall be utilized only where specifically so stated on the face of the permit It shall be compacted by means of ahigb.-frequency <br />intema1 vibrator.the compactor to be a size and type approved by the Engineer.Points of compactioo shall not be greaterthan.1S"'centers and to the fulldepthofthelift.l • <br />All pavements,curbs,gutters.sidewalks.btlrrow.ditches,pipes.head.walls.road signs.trees,shrubbery,and/or other permanent road facilities impaired by <br />or as a result of construction operntions attlle construction site(s)occupied by materials and/or equipment.,shall be restored immediately upon back::fiIling 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 />All SUIfacing materials ofroarlways and driveway approaChes cut or dama."e-edby or as aresu1t of construction.operations,shall be replaced within 'ONE <br />WEEK fullowing the backfilling of ",,,,,,moD,weaJher permitling;with compacted la;yers of surfacingma!eria1s at least as thick as the existing;and no less <br />than two inches (2")of asphalt concrete over six inches (6")of aggregate bllse.both as specified below... <br />.-k Asphalt Concrete:Combined mineral aggregate shall conform to the quality and gradation requirements fur Type "B".one-half incb(U2) <br />maximmn aggn;"c-ate,coarse ormedium gradation as specified in Se~on 39 of the CalifomiaStandard Specifications.The bituminous binder to <br />be mixed with mineral aggregate sball be paving aspbalt baving (Grade PG 64-10),unless otherwise directed by the Engineer.Plarement of <br />asphalt concrete surfacing shall conform to the applicable provisions of Section 39 of the California Standard Specifications. <br />2.Aggregate Base:Combine.mineral aggregates sball como""to the quality and the grading fur three-quarter inch (3/4")maximum size <br />aggregate Class 2 Aggregate Base specified in Section 26 oftbe California Standard Specifications. <br />Befure acceptance ofn:pairs to the County road rights-of-way.all unsigbJiy 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 Ifnecessary,County road traveled way and driveway ps;vements shall'be washed with water to reD19ve dirt 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 Comty,any settlement,sagging ofsmface,or CI1lCkingofpavement shall be repaired iromediaJely by and at the sole expense of the <br />Permittee for a period of one year fOllowing acceptance of the work. <br />ERMITSCOtJNIER\gC;D~provisions\WllltcrW~Provisiom.d=