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GENERAL PROVISIONS <br />GOVERNING INSTALLATION OF SUBSDRFACESTRUCTURES ANDPIPELINES WITBIN e0UNTYROAD-RlGHTS-OF-WAY . <br />PUBLIC CONVENIENCE AND SAFETY: <br />A Befo~obstructing any private driveway entrance or County roadtraveled waywith a french,spoil bank.equipment orother barrier permitted for any <br />prolongav.d..period o.qime"the PermitteMhail notify the known users of me respective thorougbfare(s)involved.and shall provide ace...~fOf vehicular and <br />pedestrian traffic to-and from the road.. <br />1.Unless otherwise permitted.all work shall be conducted in such amannerthatno less than 0Ile lane of the existipg County road traveled way will <br />be maintained open to public traffic duringworIdng hours in a smooth..end safe riding condition(s).Two Janesshall be open after working hours. <br />2.In cases where road efosure is permitted,the permission to close the road will be graJ1tedunder .the condition that the Permittee notify the <br />farrowing persons andfor agencies oftbe time,the period of cloSllIe,and-the detour route m least tWenty.,.four(24)hours prior to said.road closure. <br />a.The County of San Joaquin Public Works Department _1.The local:fire district <br />b.The County of San Joaquin Sheriff's Office e.The local school district <br />c.The local postal service f The local residents involved <br />B.shouid hazardous Conditions relative to 1ireinstallati.on..Dperations warrant fIa.,omen.as many capable flagmen as may be necessary shall beprovided_by the <br />Permittee and stationed in advance of work to wmn and direct traffic.. <br />C.Lights.signs and barricades shall be furnished,.erected and maintained by the Permittee for the adequate warning and convenienc~oftke public.with.particular attention to be taken in this regard after dark. <br />D..Any excess dirt and/or debris which might be ahazard to either automobile of pedestrian traffic.lplcontrollable by lights.signs and barricades,shall be <br />removed from the jobsite daily. <br />STR1JCTURESc <br />A.Walls of structures shall be such quality and strength thattbey will resist all pressures an,dwill not crack or be deformed in such a way as to create a haz~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 ofSt~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 DesignationM170M. <br />..2..For concrete pipe tb.irty~sixinches (36")inside diameter and larger.reinforced concrete pipe conforming to AASHTO I2esignation M 170M Classm.._ <br />3.Plastic pipe conforming to AASHfO DesignationM294-. <br />B.All concrete piPe joints with County road right:-of-way shall be sealed against leakage and/or:in:filtration with rubber gasket in.conformance with Section <br />65-1:06 of the California Standard Specifications.or with other methods ~may be permitted wder tIre Special ProvisioDS.. <br />C.Cast-in-place concrete pipe.vitrified clay pipe.spiral welded steel pipe.or corrugated aluminum array pipe shall not be installed within the County road <br />rights-of-way tmless specifically so stated in the SpeciBI Provisions.and only under the conditions asprovided... <br />D,All structures to be buried within the County rights-of-way shaH be set at such elevations asto allow minimum coverage of thirty inches (30")to the <br />centerline 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 plane extending across the rights-of-way,no part ofwhich shall extend above the elevations stated above;manhoies,lampholes."-valveS'.etc.not <br />included.FutuIe S'urface elevations shall be anticipated as'nearly as possible and structure elevations shall be established for fu1ure adjustments.accordingly. <br />E.The County hereby reserves the right to specif'j in the Sp'ecial ProvisionS'the ga.,creand surfac~treatment of any galvanized corrugated metal pipe that-is to be <br />instilled. <br />F.Alliongimdinal 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 />lEPAIRS OF THE COUNTY RIGHT-OF-WAY: <br />'.A.All excavations shall be baclcfilled and compacted immediately after worle therein has been completed. <br />B.Trenched shall not be left open farther than 30.0 feet in advance of pipe laying operations~or200 feet to the ~thereof,unless otherwise permitl:~by the <br />Engineer... <br />C..Unless otherwise permitted under the Special Provisions.backfill shall be placed and.mechanically compacted in.such.amanner that the relative compaction <br />throughout the entire fill within the County road rigqt-of-way shall copform to the pexcO!!.tagesof compaction as show.n on the Trench detail .. <br />D.Backfill material shall be placed in horizontal uniform layers not to exceed in tbi~kness.before compaction,0.67 foot in the bedding region.one -foot where <br />90%compaction is'required,and two-feet where 8-0%camp,action is required.. <br />E.No portion of the excavation(s)shall.be compacted by ponding orjetting un1ess amaintenance bond is provided. <br />F.Gravel backfill material shall be utilized only where specifically so stated on the face ofth.e permit 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 and to the full <br />depth of the lift.c • <br />G.All pavements.curbs.gutters,sidewalks.borrow,ditches.pipes.head walls.road signs.trees.shrubbery.and/or other permanent road :fucilities impaired by <br />or ~a result of construction.operations attlie cOnstruction site(s)occupied by materials and/or equipment,.shall be restored-immediately upon baclc:filling of <br />.the excavation to the original grades and cross sections.and to a condition as good as.or better than existing prior to constrv.ction. <br />II.All surfucing materials of roadways and driveway approaChes cut or damaged by or as:aresult of construction.operations.shall be replaced within UNE <br />WEEK following the backfilling of excavation,weafberpermitting;,with compacted layers of surfacingmateriaIs at least asthick as 'the existing,and no less <br />than two inches (2")of asphalt concrete over six inches (6")of aggregate base,both as specified below..• <br />.-h -Asphalt Concrete:Combined mineral aggregale sha1Iconform to the quality and gradation requirements for T)'po "B"une-half inch(lJ2) <br />maximum aggregate.coarse or med.iu:m.gradation as specified in S~on 39 of the California Standard SpecificatioDS.The bituminous binder to <br />be mixed with mineral aggregB1l>sha1I be paving asphalt having (Grade PG 64-l0~unless otherwise directed by the Enginccr.Placement of <br />asphalt concrete smfacing sball conform to the applicable provisions of Section39 of the California Standard Specifications. <br />2.Aggregate Baie:Combine.mineral aggregates shall confon;n to thc quality and the gradingfor three-quarter inch (3/4")maximum sIzeaggregateClass2AggregateBasespecifiedinSection26oftheCallibmiaStandanlSpecifications. <br />L Before acceptance oftepairs to the County road rights-of-way.all unsightly and detrimenta1 dirt,dust andlor 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 PllYements shall-be washed with water to rem~ve d~and dust <br />2_Driveway approaches and field entrancc pavcments damaged by equipment or spoil baDks sball be repaired as directed by thc Engineer. <br />J.Upon reqnest by thc County,any settlement,sagging of surface,or cracking ofp.vemen!sball be repaired immediately by and at the solc expense of the . <br />Pennit:tee for a period of one year following aDccptance of the worle.