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GENERAL PROVISIONS <br />GOVERNlNG INSTALLATION OF SUBSURFACESlRUCTURES AND Pll'ELJNES WITHIN COUNTYROAD-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 or other barrier permitted for any <br />prolonge.d..period o4ime,the Permittee-shall notifY the known users oithe respective t'<.-0roughfare(s)involved,.and shall provide access for vehicular and <br />pedestrian traffic to-and from the road.. <br />1.Unless otherwise permitted,all work shall be conducted in such a manner that no less than ('me lane of the existip.g Courrty road traveled way will <br />be maintained open to public traffic during working hours in a smoot1uwd safe riding condition(s).Two lanes shall be open after working hours. <br />2.In cases where road ciosure is permitted"the permission to close the road will be granted under ,the condition that the Permittee notify the <br />farrowing persons and/or agencies of the time,the period of clos.ure.and-the detour route at least tWenty.,.four(24)hOllIS prior to said.road.closure. <br />a The County of San Jcmquin Public Works Department -d.The local fire district <br />b.The County of San Joaquin Sheriff's Office e.The local school district <br />c.The local postaI service f The local res,idents mvolved <br />B.shouid hazardous conditions relative tothe inst.a11ati.on..operationswarra.'1t fla.:,omen"as many capable flagmen asmay be liecessaxy shall be provided_by the <br />Permittee and stationed in advance of work to wam and direct traffic...c.Lights~signs and barricades shall be furnished,erected and maintained by tile Permittee for the adequate warning and convenien~of the public.with <br />particular attention to be taken in this regard after dark. <br />D.,AIJ.yexcess dirt and/or debris which might be a hazard to either automobile ot pedestrian traffiC;l}Dcontrollable by lights,signs and barricades,.shall be <br />removed from the jobsite daily. <br />STR1JCTURES~ <br />A Walls of structures shall be such quality and strength that they will resist all pressures an,d will not crack or be deformed insuch a way as to crea1:ea~d <br />-or maintenance problem.at any time.Tlierefore~the minimum structural requiremerits for concrete pipe placed under county road rights-of-way shall <br />conform to the'following American Association of State Higlnvay and transportation Officials (AASHTO}designations. <br />1.For concrete pipe up to and including thirty-three inches (33j inside-diameter,E:Xtrastfength concrete confonning toAAsmO DesignationM <br />170M.. <br />'-2.'For concrete pipe thirty-six inches (3f?')inside diameter and larger.reinforced concrete pipe conforming to AASHrO Designa:lion M 170M Classm... <br />3.Plastic pipe confonning to AASHTO Designation 11294. <br />B.AlI concrete pipe joints with County road rights-of-way shall be sealed against leakage andfor.infiltration with rubber gasket in conformance with Section. <br />65-1:06 of the California Standard Specifications.or with omermethods ~may be permitted under the Special Provisions.. <br />C.Cast-in-place concrete pipe,vitriiied clay pipe.spiral welded steel pipe.or corrugated ahnninum alroy pipe shall not be installed within the C01m.ty road <br />rights-of-way unless specifically so stated in the Speci81 Provisions.and only under the conditions as provided. <br />D,AlI structures to be buried within the County rights-of-way shaH be set at such elevations as to allow minimum covera.,o-eof 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 fiat plane extending across the rights-of-way.no part of which shall ext~d above the elevations stated above;marui.oie.s.lampholes.~alves,etc.not <br />included.Future surface elevations shall be anticipated as nearly as possible and structure elevations shall be esmblished for future adjustments'accordingly. <br />B.The County hereby reserves the right to specify in the Sp"ecialProvisions the gage and surfac~treatment of any galvanized corrugated metal pipe that-is to be <br />insWled.F.All longitudinal utility facilities are to be established (and dimensioned on sketches)from surveyed centerline ofroad right-of-way.not from right-of-way <br />(border)lines.. <br />lEPAIRS OF THE COUNTY RIGHT-OF-WAY: <br />A <br />B. <br />C." <br />D. <br />E. <br />F. <br />G. <br />It <br />1 <br />J. <br />1 "All excavations shall be backfilled and compacted immediately after work therein has been completed.. <br />Trenched shall not be left open farther than 300 feet in advance of pipe laying opora:tions~or 200 feet to the t:ear thereo~unless otherwise p~d by theEngineer...., <br />Unless otherwise permitted under the Special Provisions.bacImll shall be placed and.mechanically compacted in'sUch amanner that the relative compaction <br />throughout the entire fill within the County road ri~t-of-way shall copform.to the percentages of compaction as shown onthe Trench detail .. <br />Backfill material shall be placed in horizontal uniform layers not to exceed in tb.i~ess.before compaction,.0.67 foot in the bedding region.one -foot where <br />90%compaction is required.and two-feet where &0%comp~tion is requ,ired... <br />No portion of the excavation(s)shalI"be compacted by ponding orjetting un.1essa maintenance 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.Paints of compaction shall not be greater than 18"centers and to the full <br />depthof~lut . <br />All pavements~curbs~gutters,sidewaIkE,bnrr-ow.ditches.pipes.head walls.road signs.trees.shrubbery.and/or other permanent rbad fucilities 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 baclcfiIIing of <br />the excavation to the original grades and cross sections.aJ?dto a condition as good as.or better than existing prior to construction. <br />All surfacing materials of roadways and driveway approaches cut or dama.:,aedby or as aresult of construction,operations.shall be replaced.within'ONE <br />WEEK fullowing the backfilling of exeavaiioll,weather penniWng;with compacted 1a)'ers ofswfucing ma1erials at least as thick as the existing;and no less <br />than two inches (2")of asphalt concrete over six inc:bes (6")of aggregate base.both as specified below..• <br />.-t.-AspJ:-'lt Concrete:Combined min~aggre~sball co~onn ~the ~ty andgra~on ~ents for :ype "B"'one-half incb(1I2) <br />maxunum aggregate,coarse or medium gradation as specified ill Secti.on 39 of the CalifomIa Standard Specifications.The bituminous binder to <br />be mixed with mineral aggregate shall be p""ing asphalt baving (Grade PG 64-10).unless otherwise directed by the Engineer.Placement of <br />asphalt con~e surfacing shall conform to the applicable provisions of Section 39 of the California Standard Specifications. <br />2.Aggregate Base:Combined mineral aggregates sball cantil""to the quality and the grading for furee-qUllrter inc:b(3/4")maximum sizeaggregateClass2AggregateBasespecifiedinSection26oftheCalifumiaStandardSpecifications... <br />Befure acceptance oftepain:to tlle County road rights-of-way.all unsightly and detrimental dirt,dust and/or debris sball be removed and the construction <br />areas left in a neat and presentable condition(s). <br />L Ifnecessary.County road traveled way and driveway pl:!Yements shall'be washed with water to remove dirt and dust. <br />2.Driveway approaches and :fieldentrance pavements damaged by equipment or spoil banks shall be ~paireci as directed by the Engineer. <br />Upon request by the County,any settlement,.sagging of surface,.or cracking of pavement shall be repaired immediately by and Btthe sale expense of the .Permittee for a period of one year fqIIowing acceptance of the work. <br />ERMITS COUNIER.\genc:r:al prcvisions\Wml=r w~=r Provisions.docx: