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GENERAL PROVISIONS <br />GOVERNING INSTALLATION OF SUBSURFACE STRUCTURES AND PIPELINES WITHIN COUNTY ROAD-RIGHTS-OF-WAY . <br />PUBLIC CONVENIENCE AND SAFETY: <br />A.Before obstructing any private driveway entrance or County road 'traveled way with a french,spoil ba.nk.equipment or other barrier permitted for any <br />prolonged.period of..1;imc,the Pennittee..shall DOtiiy the known users oillie respective thoroughfare(s)involved,and shall provide acc::ss for vehicular andpedestriantraffictoandfromtheroad.. <br />1.Unlessotherwise 'pennitted.all work shall be conducted in such a manner that no less than ene lane of the exist4tg County road 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 wodcing 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 />falrowing persons and/or agencies of the time.the period of closure,and.the detour route at least tWenty.,four (24)hoW'Sprior to said.road closure.a The County of San Joaquin Public Works Department _<1.Tho local firo district <br />b.The County of San Joaquin Sheriff's Office e.The local school district <br />o.The local postal service f The local residents mvolved <br />B.Should hazardous Conditions relative to the instaIlation.operations waITal1~f1a.:,amen.as many capable flagmen as may be necessary shall be provided.by the <br />Permittee and stationed in advance of work to warn and direct traffic..c.Lights.signs and barricades shall be furnished.erected lUldmaintained by the Permittee for the adequate warning and convenien~of the public.with.particular attention to b,tak,n in this r:gard aft:r dark. <br />D..ArJ.yexcess dirt and/or debris whicl1 might be a hazard to either automobile of pedestrian traffic.\lDcontrollable by lights,signs and barricades.shall beremovedfromthejobsitedaily. <br />STRUCTURESc <br />A WaIls of structures shall be such quality and strength that they 'Willresist all pressures an.d will not crack or be deformed in such a W'irj as to create a ~d.or maintenance problem at any time.Tfien:fore.the minimum structural requirements for concrete pipe placed under county road rights-of-way shallconformtothe'following American:Association of State Highway and transportation Officials (AASHTO)designations. <br />1.For cOncrete pipe up to and including thirty-three incl1es (33'')inside diameter,extra Strellgth concrete conforming to AASHTO Designation M <br />170M.. <br />..2..For concrete pipe thirtywsix inches (36j inside diameter and larger,reinforced concrete pipe conformiog to AASHfO Designation M 170M Classm... <br />3.Plastic pipe conforming to AASHTO Designation 11294. <br />B.All concrete piPejoirfts with County road right3-of-way shall be sealed against leakage and/or_infiltration with rubber gasket in conformance with Section <br />65-1:06 of the California Standard Specifications.or with other methods ~may be pennitted under the Special Provisions.. <br />C.Cast-mi'lace concrete pipe,vitrified clay pipe.spiral welded steel pipe,or corrugated aluminum aIfoy pipe shall not be installed within the County road <br />rights-of-way tmIess specifically so stated in the Speci8.I Provisions.and only under the conditions as provided.. <br />D.All structures to be buried within the County rights-of-way shafi be set at such elevations as to allow minimum covera.,ueof thirty inches (3D")to the <br />centerlioe of tho roadways and twelve inches (l2j atthe bottOms of borrow ditches each side of the roadways.The depths of structures shall be established <br />below a flat plane extending across the rights-of-way,no part of which shall extend above the elevations stated above;manholes.Iampholes,:YaIvcs.eto.not <br />included.Fumie 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'ecial Provisions the gage and surf~treatment of any galvanized corrugated met:a.1pipe thatis to beinstalled- <br />F.All longitudinal ntilityfacilities are to be established {and dimensioned on sketches)from surveyed centerline of road right.of-way.not from right-of-way(border)line,.. <br />REPAIRS OF THE COUNTY RIGHT-OF-WAY: <br />A <br />B. <br />c.. <br />D. <br />E. <br />F. <br />G, <br />L <br />J. <br />,'. <br />All excavations shall be backfilled and compacted immediately after work therein bas been completed. <br />Trenched shall not be left open farther than 300 feet in advance of pipe laying operations.or 200 feet to the rear thereof,unless otherwise pen:nittc;d by theEnginoer....:. <br />Unless otheIWise permitted under the Special Provisions,backfill shall be placed and mechanically compacted in'such a manner that the r:elative compaction <br />throughout the entire fill within the County road rigqt-of-way shall conform to the percentages of compaction as shown on the Trench detail .. <br />Backiill material shall be placed.in horizontal uniform layers not to exceed in thi~ess.before compaction.,0.67 foot in the bedding region.one -foot where90%compaction is required.and two-feet where 80%comp~tion is required.... <br />No portion of the excavation(s)shall-be compacted by ponding orjetting un1ess a maintenance bond is provided.. <br />Gravel baelcfill material ,baIl b,utilized only wbere specifically '0 statod on th,face ofth,p:rmit.It shaIl be compacted by moans ofahigh-froquency <br />intemal vibrator.the compactor to be a size and type approved by the Engineer.Points of compaction shall not be greater than IS"centers and to the full <br />depth of1l1e lift . <br />All pavements.curbs,gutters.sidewalh.borrow 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 site(s)occupied by materials and/or equipment,.shall be restored immediately upon back:fi1ling of <br />the exoavation to the original grades and cross sections.and to a condition as good as,or better than existing prior to construction. <br />Al!smfacing materials of roadways and driveway approaChes cut or damaged by or as a result of construction.operations.shall be replaced withinUNE <br />WEEK following the backfilling of excavation.weather permitting.with compacted layers of surfacing materials at least as thick as the existing.and no less <br />than two inehes (2")of asphalt coner:te ovo!,ix inch ••(6")of aggregal,bas,.both as sp:eifiCd b,low..- <br />"1,-Asphalt Coner:te:Combinod min,ra1 aggregate ,baIl conform to the quality and gradation requirem:nll;for Type "B"'On,-half inch(l/2) <br />maximum aggregate.coarse or medium gradation as specified in Section 39 of the California Standard Specifications.The bituminous binder to <br />be mixed with mineral aggregate ,haIl b,paving asphalt having (Grade PG 64-10),un!••,otherwise dir:etod by th,Engin:er_Placom:nt of <br />asphalt concrete surfacing shall conform to the applicable provisions of Section 39 of the California Standard Specifications. <br />2_Aggregat,BaS::Combin:d mineral aggregal:s ,ball confOll)l to th,quality and th,grading for 1hree-<[uart:r inch (3/4")maximum ,iz, <br />aggregat,Clas,2 Aggregate Base specified in Section 26 ofth,California Standard Sp,eifieations. <br />Before acceptance oftepairs to the CoUIlty road rightswQf-way.alI unsightly and detrimental dirt,dust arnVor debris shall bo removed and the construction <br />areas left in a neat and presentable conditionCs). <br />L Ifnecessary.County road traveled way and driveway pl;Vements shall-be washed with water to reIn9ve diI1 and dust <br />2 Driveway approaches and field entrance pavements damaged.by equipment or spoil banks shall be repaired as directed by tho Engineer. <br />Upon request bythe County,any settlement,.sagging of surface.or cracking of pavement shall be repaired immediately by and at the sole expense of the <br />Permittee for a period of one year following acceptance oftbe worle. <br />ERMITS COUNIER\gC::lenl provisiDns\Wmtcr Wl:i.lhcr Provisions.d=..