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GENERAL PROVISIONS <br />GOVERNING INSTALLATION OF SUBSURFACE STRUCTURES AND PIPELINES WITHIN COUNTY ROAD-RTGHTS-OF-WAY ..- <br />PUBLIC CONVENIENCE AND SAFETY: <br />A Before obstructing any private driveway entrance or County road traveled way with a trench,spoil bank,equipment.or other barrier permitted for any <br />prolonge4..period of1;im.e,the Permittee-shall notifYthe known users of me respective thorougbfare(s)involved,and shall provide access for vehicular and <br />pedestrian traffic to-an.dfrom the road.. <br />1.Unless otherwise 'permitted.aU work shall be conducted in such a manner that no less than one lane ofthe existip.gCoum;yroad traveled way will <br />be maintained open to public traffic during working hours in a smooth.~d safe riding condition(s).Two Janesshall be open after working hours. <br />2.In cases where road cJoSlU"eispermitted,thepermission tn close the road will be granted under ,the condition that the Permittee notify the <br />farrowing persons and/or agencies oftbe time,the period of closure.and-the detour route.at least tWenty..,four(24)hours priorto said.road.closure. <br />a The County ofSan Joaquin Public Works Department _d..The local:fire district <br />b.The County of San Joaquin Sheriffs Office e.The local school district <br />c.The local postal service f The local residents involved <br />B.Shouid hazardous Conditions relative totire installation..operations WaI.Ta!.'1.t iIa.:,l7Illen.as many capable flagmen as may be necessary shall beprovided.by thePe:n:nittee and stationed in.advance ofwork to wam and direct traffic.. <br />C.Lights.signs and barricades shall be:furnishe~erected and maintained by the Permittee for the adequate warning and convenien~of the publi~with. <br />particular attention to be taken in this regard after dark. <br />D..hyexcess dirt and/or debris which might be ahazard to either mtomobile or pedestrian traffic.T;tD.controllableby lights,signs and barricades,shall be <br />remGved from the jobsite daily. <br />STR1JCTURES~ <br />A Walls of structures shall be such quality and strength that they will resist all pressures 8.D;dwill not crack or be deformed in such a way as to create a ~d <br />.or maintenance problem at anytime.Tfierefore,the minimum structural requirements for cpncrete pipe placed under county road rights-of-way shall <br />conform to me'fo1I6wingAmericarr Association ofS~Highway and transportation Officials (AASHTO)designations.. <br />1.For c6ncrete pipe up to andincluding tb:irty-three inches (33")inside-diameter,extra strength concrete conforming to AASHTO DesignationM170M.. <br />.'2..For concrete pipe thirty-six inches (36")inside diameter and larger,reinforced concrete pipe conforming to AASHTO Designafion M 170M Classm.". <br />3.Plastic pipe conforming toAASHTO Designation 11294. <br />B.AlI concrete piPe joints with County road rightl-of-way shall be sealed against leakage and/or,infiltration with rubber gasket in conformance with Section <br />65-1:06 of me California Standard Specifications.or with oiliermethods ~may be permitted under the Special Provisions. <br />C.Cast-in-place concrete pipe,vitrified clay pip;spiral welded steel pipe,or corrugated aluminum alfoy pipe shall not be installed within the County road. <br />rights-of-way unless specifically so stated in the Speci8.IProvisions,and only under the conditions as provided... <br />Th All structures to be buried within the County rights-of-way shall be set at such elevations as to allow minimum covera.:,o-eof thirty inches (30)to the <br />centerline of the roadways and tvielve inches (12")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;maI41.oies,lampholes.~alves.etc.not <br />included.Future surface elevations shall be anticipated asnearly 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':ecialProvisions the ~orc and surf~treatment of any galvanized corrugated metal pipe that-is to be <br />installed. <br />F.All longitudinal utility facilities are to be established (and dimensioned au sketches)from surveyed centerline of road right-of-way.not from right-of-way(border)lines_. <br />lEPAIRS OF THE COUNTYRTGHT-OF-WAY, <br />'.A All excavations shall be backfilled and compacted immediately a:fterwork therein bas been completed. <br />B.Trenched shall Dot be left open farther than 30.0 feet in advance of pipe laying opera1ions~or200 feet to the ~ear thereof,unless otherwise permittt<d by the~=..c..Unless otherwise permitted under the Special Provisions.backfill ~hall be placed and mechanically compacted in.such amanner that the relative compa:ction <br />throughout the entire fill within the County road rigb.t-of-way shall copform to the percentages of compaction as shown on the Trench detail .. <br />D.BacIcfill material shall be placed in horizontal uniform layers not to exceed in fui~kness.before compaction,0.67 foot in.the bedding region..one -foot where900Acompactionisrequired,and two-feet where 8-0%comppction is required..' <br />E.No portion of the excavation(s)shall'be compacted by ponding orjetf:ing Ull1essamaintenance bond is provided. <br />F.Gmvel baekfill material shall be utilized only where specifically so stated on the face of the permit.It shall be compacted by means of alrlgh-frequency <br />intema1 vibrator,the compactor to be a size and type approved by the Engineer.Peints of compaction shall not be greaterfuan 1&"centers and to the full <br />depth offue lift.. <br />G.All pavemen~curbs.gutters.sidewalks,btlrr-ow,ditches.pipes,.head walls.road signs,trees.shrubbery.and/or other permanent road :fucilities impaired by <br />or as a resnlt of construction operations atme cOnstruction site(s)occupied by materials and/or equipment,shall be restored immediately upon baclcfilling of <br />the excavation to the original grades and cross sections,.and to a condition as good as,or betl:erthan existing prior to con.struction. <br />R All surfacing materials of roadways and driveway approaChes cut or dama"o-edby or as aresult of constrnetion.operations,shall be replaeed within'ONE <br />WEEK following the backfilling of excavation.weather permitting,with compacted layers ofsurfacingma:teria1s at least as thick as the existing,.and no less <br />than two inches (2")of asphalt concrm over six inches (6")of aggregate bilse,both as specified below... <br />-1".-Asphalt Concrete:Combined mineI1!l aggregEte shall conform to the quality and gradation reqillrements for 'yPe "B"une-half inch(1!2) <br />maximum aggregate,coarse or medium gradation as specified in Section 39 oftbe California Standard Specifications.The bib.rminous binder to <br />be mixed with mincral aggregEte shall be paving asphalt having (Grade PG 64-10),unless otherwise directed by the Engineer.Placement of <br />asphalt concrete stIIfiicing shall conform to the applicable provisions of Section 39 oftbe California Standard Specifications. <br />2.Aggregate BaSe:Combined mineral aggregates shall conform to the quality and the grading for three-<[uarter inch (3/4")maximnm size <br />aggregaJe Class 2 Aggregate Base specified in Section 26 of the CalifomiaStandard Specifications. <br />1 Before acceptanee of repairs to the County road rights-<lf-way,all unsightly 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 I:fnecessary.County road traveled way and driveway pij.Yements shall-be washed with water to rem9ve dirt and dust <br />2.Driveway approaches and field errtranee pavements damaged by equipment or spcil banks shall be repaired as directed by the Engineer.J.Upon request by the County,any settlement,sagging of surface,or cracking of pavement shall be repaired immediately by and atfue sale expense of the <br />Permitt:ee for a period of one year fQIlowing acceptance oithe work. <br />ERMITS COUNT.ER.\g=Pmll provisions\%nte:r w~l'rovisiOllS.d=