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GENERAL PROVISIONS <br />GOVERNJ:NG INSTALLATION OF SUBSDRFACESTRUCTURES Al'ID PIPELINES WITHIN COUNTY ROAD-RlGHTS-OF-WAY . <br />PUBLIC CONVENIENCE Al'ID SAFETY: <br />A Before obstructing any private driveway entrance or County road traveled waywifu a trench,spoil bank;.equipment or other barrier permitted for any <br />prolong-...d..period of.1;irn.e,the Permittee-shaU notifY the known users oillie respective thorougbfare(s)involved.and shall provide access fOE ve:hicular andpedestriantraffictoapdfromtheroad.. <br />1.Unless otherwise 'permitted.all work shall be conducted in such amannerthat no less than Gno lane offhe existipg Courr!;yroad traveled way will <br />be maintained open to public traffic during working hours in a smooth.~d safe 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 graEted under ,the condition that the Permittee notifY the <br />farrowing persons andfor agencies of the time,the period of closure.and-the detour route.at least tWenty":"rour(24)hours prior to said.road closure. <br />a.The County of San Joaquin Public Works Department.d.The Iocal:fire district <br />b.The County of San Joaquin Sheritrs Office e.The local school district <br />c.The local postal service f.The local residents molved <br />B.Should hazardous Conditions relative to tire installatio.u.nperations warrant ii8.comen"as many capable flagmen as may be necessary shall bb provided.by the <br />Permittee and stationed in advance of work to wam and direettraffic.. <br />.C.Lights.signs and barricades shall be :furnished.erected and maintained by t:he Permittee for the adequate warning and conye.n.ien~of the public.with <br />particular attention to be taken in this regard after dark. <br />D..Any excess dirt and/or debris which might be ahazard to either mrtomobiIe ot pedestrian traffic.\lDcontrollable by lights.signs and barricades.shall beremovedfromthejobsitedaily. <br />STRUCTURES:. <br />A WaIls of structures shall be such.quality and strength thattheywill resist all pressures ~d will not crack or be deformed in such a way as to create ah~d.or maintenance problem at any time.Tfierefore,the minimum structural requirements for cpncrete pipe placed tmder county road rights-Of-way shallconformtothe'fo1l6V1'ingAmmcan Association of Stat~Highway and transportation Officials (AASHTO)designations. <br />1.For c6ncrete pipe up to and including thirty-three inches (33j inside-diameter.extra strength concrete conforming to AASIITO Designation M <br />170M.. <br />.'2..For concrete pipe tbirty-six inches (36)inside diameter and larger,reinforced concrete pipe conforming to AASHTO !{esignation M 170M Classm._ <br />3_Plastic pipe ccnfDrmingtoAASHTO DesigmfiDn M294. <br />B.All concrete piPe joints with County road rights-of-way shall be sealed against leakag-e and/or.infi1tration with robber gasket in conformance with Section <br />65-1:06 of the California Standard Specifications,or with other methods ~may be permitted under the Special ProvisiOllS. <br />C.Cast-in-plac~concrete pipe,vitri:fied clay pipe,spiral welded steel pipe,or corrugated aluminum alroy pipe shall not be installed within the County road <br />rights-of-way lm1ess specifically so stated in the SpeciBJ.Provisions,and only under the conditions as provided... <br />D.All str-uctures to be buried within the County rights-of-way shaH be set at such elevations as to allow minimum covera.,creof thirty inches (30")to the <br />centerline of the roadways and twelve inches (12")attbe bottoms of bon-ow ditches each side of the roadways.The depths of structures shall be established <br />be10w a fiat pI8!1e extending across the rights-of-way.no part of which shall extend above 1heelevations stated above;man.r.i.oies,Iampholes,~alves,etc.not <br />included.Future surface elevations shall be anticipated as nearly as possible and structure el~ations shall be established for future adjustments'accordingly. <br />E.The County hereby reserves the right to specify in the SReclal Provisions the gage and surfac~treatment of any galvanized corrugated metal pipe that-is to be <br />installed. <br />F.Alliongi:tudinal ntility facilities are to be established [and dimensioned on sketches)from surveyed centerline of road right-of-way.not from right-of-way <br />(border)lincs.. <br />tEPAIRS OF THE COUNTY RIGHT-OF-WAY: <br />A <br />B. <br />c. <br />D. <br />E. <br />F. <br />G, <br />I <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 farther than 300 feet in advance of pipe laying operations~or 200 feet to the ~thereot:unless otherwise p~by theEngineer..'.. <br />Unless otherwise permitted under the Special Provisions.backiill shall be placed and.mechanically compacted in'such amanner tha:t1he relative compa:ction <br />throughout the entire :fillwithin the County road ri~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 tb.i~ess.before compaction.,0.67 foot in the bedding regio~one -foot where90%compaction is required,and two-feet where 8.()%comP!lcmon is required..' <br />No portion of the excava:tion(s)shall'be compacted by ponding orjetting un1ess a maintenance bond is provided... <br />Gravel backfill material sball be utilized only where speci:fically so stated on the face of the permit It shall be compacted by means of abigh-frequency <br />internal vibrator,.the compactor to be asize and type approved by the Engineer.Peints of compaction shall not be greater than 18"centers and to the full <br />dep1h of1he lift.". <br />All pavements.curbs.gu1teIs,sidewalks,btlII'OW ditches,pipes,head walls.road signs.trees.shrubbery,and/or other permanent road facilities impaired by <br />or as a result of construction operations attlie cOnstruction sitc(s)occupied by materials and/or equipment.shall be restored-immediately upon backfillin.g of <br />the excavation to the origina!grades and cross sections.and to acondition as good as,or better than existing prior to construction. <br />Al!smfacing malcrials Dfroadways and driveway approaChes cut Drdmna"oed by Dr as aresult Dfccnstruction,DperatiDns,sball be repiaced witbin'ONE <br />WEEK following 1he backfilling DfexcavatiDn.weather permittin,"with compacted 1ll;yersDfsuIfacingma!erials at least as 1hick as tile existin,"and no less <br />1han two inchcs (2")of asphalt ccncrne over six inches (6")Dfaggregate base,bD1has speci£1:d belDw..- <br />-k Asphalt Concrete:Combined mineral aggregate shall cDnform to the qn.ility andgradatiDn requirements for Type "B"'Dne-half inch(1J2) <br />maximum.aggregate.coarse or medium gradation as specified in Sec~on 39 oftbe California Standard Specifications.The bituminous binder to <br />be mixed with mineral aggregam shall be paving asphalt having (Grade PG 64-10),unless Dtilerwise directed by 1he Engineer.Placement of <br />asphalt concrete surfacing shall conform to the applicable provisions of Section39 of the CalifomiaStandard Specifications. <br />2.Aggregate BaSe:Combined mineral aggregates sball cDnfoD;nto 1he quality and tile grading fDr tlnee--qumrer inch (3/4")ma:anl1rm size <br />aggregato Class 2 Aggregate Basc specJ:fied in SectiDn26 Dftlle CalifomiaStsndard SpecJ:fications.. <br />Before acceptance Dfrepairs to 1he County road rights-of-way,all unsightly and detrimental dirt,dust and/or debris sball be removad and 1he ccnstruction <br />areas left in a neat and presentllble conditiDn(S). <br />1.Ifnecessary,County road traveled way and driveway P'lVements shall'be washed wi1h_to rem9ve dir!and dust <br />2-Driveway approaches and field entrance pavements damaged by equipment DrspDil banks shall be repaired as directed by 1he Engineer. <br />Upon request by 1he County,any seU!ement sagging DfsuIface,Drcracking Dfpavement shall bc repaired immediately by and at 1hesDlc expense of1he <br />Permittee for a period of one year following acceptance of the work.