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GENERAL PROVISIONS <br />GOVERNING INSTALLATION OF SUBSURFACE STRUCTURES AND PrP.ELINES WITHIN COUNTY !l-0AD-R1GHTS-OF-WAY . <br />PUBLIC CONVENIENCE AND SAFETY: <br />A Before obstructing any private driveway entrance or County road traveled way with a trench,spoil banJr,equipment or other barrier pemlitted for any <br />prolonged.period o4im.e,the Perrnittee..shaU notify the mown users oithe respective fuorougbfare(s)involved.and shall provide access fOE vehicular andpedestriantraffiofo.and from the road... <br />1.Unless otherwise permitted,all work shall be conducted.in such a manner that no less than ooe lane oftbe existipg County road traveled waywill <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 granted under ,the condition that the Permi't:ree notifY the <br />falTowing persons and/or agencies of the time,the period of closure,and-the detourroute.at least tWenty.,four (24)hours prior to said.road closure.a The County of San Joaquin Public Works Deparlment _d.The local fire district <br />b.The County of San Joaquin Sheriff's Office e.The local scbool district <br />c.The local postal service f The local residents m.volved <br />B.Shauid hazardous cOnditions relative to tlre installa:tioD-Operations warra.,.t flagmen,as many capable :flagmen as may be necessary shall be provided.by thePermitteeandstationedinadvanceofworktowamanddirecttraffic.....c.Lights~signs and barricades shall be fumish~erected and maintained by ~Permittee for the adequate warning and coovenien~oftbe public.withparticularattentiontobetakeninthisregardafterdark. <br />D..AIry excess dirt and/or debris which might be ahazard to either automobile of pedestrian traffic~l}O.controllable by lights,signs and barricades,shall beremovedfromth~jobsite daily.. <br />STR1JCTURES~ <br />A .Walls of structures sball be such quality and strength -thatthey will resist all pressures 8D;dwill not crack or be deformed in such a way as to create a haz~d <br />"or maintenance problem at any time.TIierefore~the minimum structural requirements for concreto pipe placed under county road rights-of-way shall <br />conform to the'followmg American Association of State:Highway and transportation Officials (AASHTO)designations. <br />1.For c6ncrete pipe up to and including thirty-three inches (33")inside-diameter.extra strength concrete conforming to AASHTO Designation M170M.. <br />..2..For concrete pipe thirty-six inches (36"')inside diameter and larger,reinforced concrete pipe conforming to AASHrO Designation M 170M Classm... <br />3.Plastic pipe conformingto AASHIO Design.ation M294. <br />B.All concrete pipe join"ts with County road rights-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 permitted under the Special ProvisioDS.. <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.rights-of-way unless specificaIIy so stated in the Special.Provisions,and only under the conditions as provided... <br />D,All structures to be buried within the County rights-oi-way shall be set at such elevations as to allow minimum covera."creof thirty inches (3D")to the <br />centerline of the roadways and twelve inches (12'1 at the bottOms of borrow ditches each side of the roadways.The depths of structures shall be established <br />below a fiat plap.e extending across the rights-of-way.no part of which shall extend above the elevations stated above;m8OJ.i.oies.lampholes,"-valves.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 specify in the Sp'ecial Provisions the gage and surfac~treatment of any galvanized corrugated metal pipe tha:t-is to beinstalled. <br />F.AlllongitudinaI utility 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 />tEPAIRS OF THE COUNTY RIGHT-OF-WAY:,~. <br />A All excavations shall be back::filled 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.or 200 feet to the ~ear thereof;,unless otherwise perm.itfl;d by theEngineer."... <br />c..Unless otherwise permitted under the Special Provisions.backfill ~hall be placed and mechanically compacted inSuch amanner that the relative compaction <br />throughout the entire fill within the County road ri&b:t-of-way shall copfonn 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.fu.i~kness.before compaction,.0.67 foot in the bedding regio~one -foot where90%compaction is required.and two-feet where &0%comp~on is required..' <br />R No portion of the excavation(s)shall.be compacted by ponding orjetting un1ess a maintenance bond is provided... <br />F.Gravel bacldill material sball be utilized oaly where specifically so stated on the face of the pennit.It shall be compacted by means of ahigh-frequency <br />intem:al vibrator,the compactor to be a size and type approved by the Engineer.Points of compaction shall not be greater than 18"centers a'nd to the fulldepthofthelift.. <br />G.All pavements,curbs,gutlm,sidewalks,bnrrow.ditches,pipes,head walls,road sigos,trees,shrubbery,ancl/or other permanent road facilities impaired by <br />or as a result of construction operations attlie c6nstruction site(s)occupied by materials and/or equipment;,shall be restored immediately upon backfilling oftheexcavationtotheoriginalgradesandcrosssections,m;Ldto a condition as good as.or betterihan existing prior to construction. <br />H.All surfacing materials of roadways and driveway ap.proaches cut or damaged by or as aresuIt of construction.operations.shall be replaced within "ONE"WEEK following the backfilling of excavation,.wea:therpermitting.with compacted layers ofsurfacingmateriaIs atleast as thick as the existing,and no less <br />than two inches (2")of asphalt concrete over six inches (6")of aggregme base,both as specified below...• <br />-},-Asphalt Concrete:Combined mineral aggregate shall confOI'Olto the quality and gradation requirements for l"jpe "B"llne-half inch(lJ2) <br />maximum aggregate.coarse ormeditrr:a gmdation as specified in Section 39 oftbe california Standard Specifications.The bituminous binder to <br />be mixed with mineral aggregate shall be paving asphalt having (Grade PO 64.-10),unless otherwise directed by the Engineer.Placement of <br />asphalt concrete surfacing shall confOI'Olto the applicable provisions of Section 39 of the California Standard Specificaticns. <br />2_Aggregate Base:Combined mineral aggregmes shall confon;n to the quality and ilie grading for three-quarter inch (3/4")maximum sizeaggregateClass2AggregateBasespecifiedinSection26ofilieCaliforniaStandardSpecificalions. <br />1 Before acceptance oftepairs 10the County road rights-of-way,all unsightly and detrimental dirt;,dust and/or debris shall be removed and the constructionareasleftinaneatandpresentablecondition(s). <br />L Ifnecessary.County road traveled way and driveway p!JVements shall.be washed with water to rempve diI1:and dliSt <br />2 Driveway approaches and field entrance pavements damaged by equipment or spoil banks shall be repaired as directed by the Engineer. <br />J.Upon request by the County.any settlement,.sagging of surface,or cracking of pavement sball be repaired immediately by and at the sole expense of thePermitteeforaperiodofoneyearfollowingacceptanceofthework. <br />::R.MITS COUN1Et\genera.l provisions\W"mtcr WeI!h=r Provisions.dot:X...