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'GENERAL PR8VISIONS <br />GOVERNING INSTALLATION OF SDBSURFACESTRUCTURES AND PIPELINES WITRIN 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 trench,spoil bank.equipment orother barrier permitted for any <br />prolongedperiod oqinre.the Permittee-shall notify the known 1l'>ersof me respoctive thQrougbfare(s)involved,and shall provide ace...~for vehicular and <br />pedestrian traffic to-an.dfrom the road.. <br />1.Unless otherwise ,permitted,all work shaII be conducted in such a manner that no less than one lane of the existipg CoUIIiyroad traveled way will <br />be maintained open to public traffic during working bours in a smooth.~d safe riding condition(s).Two lanesshall be open after working hours. <br />2.In cases where road closure is permitted,thepennission to close the road will be g:raated under .the condition thai the Permittee notify the <br />falTowing persons and/or agencies of the time,the period of closure,and-the detour route.at least tWenty.,four(24)hours prior to said.road closure. <br />a The County of San Joaquin Public Works Depanment _d-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 mvolved <br />B.Should hazardous conditions relative to the instalIaticu:J.nperations warr"'antfIa.,cm.en.,as many capable :fr"~en'as may be necessary shall be provided_by thePermitteeandstationedinadvanceofworktowamanddirecttraffic.. <br />C.Lights.signs and barricades shall be furnished,erected and maintained by the Permittee for the adequate warning and convenien~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 a hazard to either automobile ot pedestrian traffic.~controliable by lights.signs and barricades,shall be <br />removed from the jobsiW daily. <br />STRDCTURESc <br />A Walls of structures shall be such quality and strength that they will resist all pressures an;dwill not cracIcor be deformed in such a way as to create a~d <br />.or maintenance problem.at any time.Tlierefore.the minimum structural requirements for concrete pipe placed under county road rights-of-way shall <br />conform to the'foIl6-wio.g American Association ofS'tare Highway and transportation Officials (AASHTO}designatiOllS. <br />1.For c6ncrete pipe UP.toand including thirty-three inches (33")inside-diameter.extra strength concrete conforming to AASIITO DesignationM170M.. <br />..2..For concrete pipe thirty-six inches (36")inside diameter and larger.reinforced concrete pipe confon.ning to AMHTO Designation M 170M Classm._. <br />3_Plastic pipe conforming to AABIITO Designation M294_ <br />B.All concrete pipe join'ts with County road rights-of-way shall be sealed against leakage andlor.infiltration with robber gasket in conformance with Section. <br />65-1:06 oftbe California Standard Specifications.or with other methods ~may be permitted under the Special Provisions.. <br />C.Cast-in-place concreto pipe,vitrified clay pipe,spiral welded steel pipe,or corrugated aluminum a.lfoypipe shall not be installed within.the County road <br />rights-of-way unless specifically so stated in the Speciill Provisions,and only under the conditions as provided... <br />Ih All structures to he buried within the County rights-of-way shall be set at such elevations as to allow minimum co'Vera..,cre of thirty inches (3D")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 plap.e extending across the rights-of-way.no part of which shall extend above "!heelevations sta:ted.above;manIlOies.lampholes.~alves.etc.not <br />included.Future surface elevatiuns 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 S:eecial Provisions the gage and surfac~treatment of any galvanized corrugated metal pipe that-is to be <br />installed- <br />F.All longitudinal utiIityfacilities are to be established (and dimensioned Oil sketches)from surveyed centerline ofroad right-of-way.not from right-of-way(border)lines.. <br />[MAIRS OF THE COUNTY RIGHT-OF-WAY: <br />A- <br />B. <br />C.. <br />D. <br />E. <br />F. <br />G_. <br />R <br />L <br />J. <br />~~ <br />All excavations shall be baclcfi1ledand compacted immediately after work therein has been completed. <br />Trenched shall not be left open farther than 30.0 feet in advance of pipe laying operations,.or 200 feet to the:r:ear thereat:unless otherwise:p~d by theEngineer.... <br />Unless otherwise permitted under the Special Provisions.baclciiIIshall be placed and mechanically compacted in'such amanner that the relative compa:ction <br />throughout the entire fill within the County road rigqt-of-way shall co~rm to the percentages of compaction as shown on the Trench d~taiL .. <br />Backfm material shall be placed in horizontal uniform layers not to exceed in.thi?mess.before compaction,0.67 foot in the bedding region.one -foot where900/c.compaction is required,and two-feet where &0%comp~on is required.. <br />No portion of the excavafion(s)shall-be compacted by ponding orjetting un1ess amaintenance bond is provided... <br />Gravel backfill material shall be utilized only where specifically so stated on the face of the permit It shall be compacted by means of abigh-frequency <br />internal 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 fulldepfuof1holiftc• <br />All pavements.curbs.gu:tters.sidewalks.bnrrow ditches.pipes,head waIls.road signs.trees.shrubbery.and/or other permanent road facilities impaired by <br />or as a result of construction operations atme construction site(s)occupied by materials and/or equipment..shall be restored immediately Upon backfilling of <br />the excavation to the original grades and cross sections.and to a condition as good as,or better than existing prior to construction. <br />Al!sur.facing malorials ofrolidWltyS and driveway approaChes cut or clama",oedby or as •result of construction.operations,sball be replaced within.ONE <br />WEEK following the backfilling of excavatio~weather permitting,with compacted layers of sur:fucingma:terials at least as thick as the existing,and no less <br />1han two inches (2")of asphalt concreto over six inches (6")of aggregate hase,both as specificd below..-,r..-Asphalt Concrete:Combined minOIlll aggregate shall confonn to fue quality and gradation requirements fur Type "B".one-half inch(l/2) <br />maximum aggregate.coarse ormedium gradation as specified in.Section 39 of the California Standard Specifications.The bituminous binder to <br />be mixed wi1h minOIlll aggregate shall be paving asphalt having (Grade PG 64-10~unless otherwise directed by the Engineer.Placomont of <br />asphalt conc:;oto smfacing shall confonn to the applicable provisions of Soonon 39 offue California Standard Specifications_ <br />2_Aggregate Base:Combined mineral aggregates sha1I confoIJ;Dto fue quality and lbe grading fur fhree-quarter inch (3/4")maximum size <br />aggregate Class 2 Aggregate Base specified in Section26 of the CalifomiaStandard Specifications. <br />Before acceptance oftepairs to the County road rights-of-way.allunsightly and detrimental dirt;,dust and/or dobris shall be removed and the construction <br />areas left in a neat and presentable condition(s). <br />L Ifnocessary,County rolid traveled way and driveway pe;vements shall.be washed wifu water to =9ve dirt and dust <br />2-Driveway approaches and field ontranco pavemonts damaged by oquipmont or spoil banks shall be repaired as directed by fue Engineer. <br />Upon request by the County,any settIement sagging of sorface,or cracking of pavement shall be repaired immediately by and atfue sole aspense offuePermitteoforaperiodofoneyearfQilowingacceptanceofthework. <br />ERMITS COUNIEIl\genimll provisions';WiDle:l"W~er Provisions.docx