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GENERAL PROVISIONS <br />GOVERNING INSTALLATION OF SUBSURFACESTRUCTORES ANDPrPELrnES WITHIN COUNTYROAD-RIGHTS-OF-WAY " <br />PUBLIC CONVENIENCE AND SAFETY: <br />A Before obstructing any private <tiveway entrance or County road traveled way with atrench,spoil bank.equipment or other barrier pemutted for any <br />prolonged.period ofi;ime,the Permitlee-shall notify the mown users oftlJe respective t:horollgbfare(s)involved,and shall provide acc..."'SsfOFvehicular and <br />pedestrian traffic to-.an.dfrom the road.. <br />1.Unless otherwise permitted.all work shall be conducted in such amanner that no less than Gue lane ofllie existipg Coulrty road traveled way will <br />be maintained open to public traffic during working hours in a smootQl;nd 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 Permittee notify the <br />farrowing persons and/or agencies of the time,the period of cIoSllIe.and-the detourroure.at least tWen1y..,four(24)hours prior to said.road.closure. <br />a The County of San Joaquin Public Works Department _d.The Ioeal fue district <br />b.The Courrly of San Joaquin.Sheriff's Office e.Theloca1school district <br />c.The local postal service "f The local residents IavoIved <br />B.shouid hazardoIlS conditions relative to the installatiau..operations warr-an~flagmen,as many capable fl:5gJl1enas may be necessary shall be provided_by the <br />Permittee and stationed in advance of work to warn and dij-ecttraffic.. <br />.C.Ligh13.signs and barricades shall be fumish~erected and maintained by the Permittee forthe adequate warning and convenienc~ofthe public.with <br />particular attention to be taken in this regard after dark.• <br />D.,Iulyexcess dirt and/or debris which might be a hazard to either automobile or pedestrian traffic.\IDcoDfrol1ableby lights.signs and barricades,shall be <br />reInGved from the jobsite daily. <br />S1R1JCTURES~ <br />A Walls of structmes shall be such quality and strength that they will resist all pressures an,dwill not oracleor be deformed in such a way as to create a ~d.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 Americm:rAssociation ofS~Highway and transportation Officials (AASHTO)designations. <br />1.For cOncrete pipe up to andincluding tbirty-three inches (33")inside diameter.extra strength concrete conforming to AASHTO DesignatiDnM <br />170M." <br />.'2..For concrete pipe thirty-six inches (36")inside diameter and larger.reinforced concrete pipe conforming to AASHTO Designation M 170M Classm.". <br />3.Plastic pipe conforming to AASHTO DesignatiDn M294_ <br />B.All concrete piPe join:ts with Couofy road rights-of-way shall be sealed against leakage andfor.iD:filtratioD.with rubber gasket in conformance with Section <br />65-1:06 oftne California Standard Specifications,or with other methods ~may be permitted under the Special Provisions.. <br />C.Cast-in-place concrete pipt;vitrified clay pipe.spiral welded steel pipe.Dr corrugated aluminum aIroy pipe shall not be installed within the County road <br />rights-of-'W8.Y tmless sp~ifically so stated.in the Speci.8l Provisions.and only under the conditiDns as provided.-" <br />D.All structures to be buried \Vithinthe County rights-Df-way shall.be set at such elevatiDns as to allow minimum coverage of thirty inches (3D")to the <br />ceoterline of the roadways and twelve inches (l2j at the bottOms of borrow ditches each side of the roadways.The depths of structures shall be established <br />be1Dwa fiat pl~o extending across the rights-of-way,no part ofwhich shall extend abDvethe elevations stated abDve;manholes,larnpholes.:.y.alves.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':ecialProvisions the gage and surfac~treatment of any galvanized corrugated metal pipetha'tis to be <br />installed.F.All longitudinal utility facilities are to he established (and dimensioned Oilsketches)from surveyed centerline of road right-of-way.not from right-of-way(border)lines." <br />lEPAIRS OF THE COUNTY RIGHT-OF-WAY:,'. <br />A All excavations shall be backfilled and compacted immediately after work therein has been completed. <br />B.Trenched shall Dotbe left open farther than 30.0 feet io advance of pipe laying Ope:ratiDns~or200 feet to the ~thereo~unless otherwise p~d by theEngineer... <br />C..Unless otherwise permitted under the Special Provisions.backfill shall be placed and mechanically compacted in'sUch a manner that1he relative compaction <br />throughout the entire fill within the County road ri~t-{lf-way shall copform to the percentages of compaction as shown onthe Trench detail _. <br />D.Backfill material shall be placed in horizontal uniform layers Dotto exceed in 1hi?mess.before compaction,0.67 foot in the bedding regiori."ooe -foot where <br />90%compaction is required,and two-feet where 8.0%comp~oD.is required.- <br />E.No portion of the excavation(s)shall-be compacted by ponding orjetting UDiessamaintenance bDod is provided.. <br />F.Gravel backfill material shall be utilized ouly where specifically so stated on the face Dfthe permit It shall be compacted by means:of ahigh-frequency <br />iotem:aI vibrator"the compactor to be a size and type approved bythe Engineer.Points of compaction shall not be greater than 18"centers and to the full <br />depth oftlle lift.'" <br />G..All pavements~curbs.gutte.rs,sidewalks"borrow ditches,pipes.head walls.road signs.trees,shmbbery.and/or other permanent rbad facilities impaired by <br />or as a result of construction operations attlie construction site(s)occupied by materials and/or equipment;,shall be restored,immediately upon back:filling of <br />.the excavanon to the original grades and cross sections"and to a condition as good as.Drbetterfuan existing prior to coosfn,J.ction. <br />It All surfacing materials ofroM ways and driveway approaCbes CIII:or dama"oed by or as aresult of consfrnctio",operations,shall be replaced within"ONE <br />WEEK fullowing the baclrfilling of excavanOD,weather permitting;with compacted laym of SUIfucingmaterials at least as thick as the existing;and no less <br />than two inches (2")of aspbalt concrete over six inches (6")of aggregate base.both as specl£Od below."• <br />"-t.'Asphalt Concrete:Combinedminernl aggrega!e sball confurm to tlle quallty and gradation requirements fur Type ''B''.one-ba1f inch(1!2) <br />maximum aggregate"coarse or medium.gradatiDn as specified in Section 39 of the CalifomiaStandard Specifications.The bituminous binder to <br />be mi=I with minernl aggregale shall be paving asphalt having (Grade PG 64-10),unless otherwise directed by the Engineer.Placement of <br />asphalt conO/cle sumcmg sball confurm to the applicable provisions of Section 39 of the California Standard Specl£catiocs. <br />2.Aggregate BaSe:Combine.mineral aggregates sball confurm to the qua11tyand 1hegrading fur tbree-quarter inch (3/4")maximum size <br />a"ogregate Class 2 Aggregate Base specified in Section 26 oftlle CalifomiaStandard Specifications.. <br />L Before acceptance oftepairs to the County road rights-of-way,all unsightly and detrimental dirt,dust aodIor debris shall be remDved.and the construction <br />areas left in a neat and presentable conditione s). <br />L Ifnecessary.County road tra:veled way and driveway p~em.ents shall-be washed with water to rem9ve dirt and dust <br />2.Driveway approaches and field errtranee pavements damaged by equipment or spoli banks sball be repaired as directed by tlle Engineer. <br />J.Upon request by tlle Connty,any settlement.sagging of _,or cracking of pavement sball be repaired immediately by and atthe sole expense of the <br />Permittee for a period of one year following acceptance of the work. <br />ERMITS COUNTER.\gtmeral provisions\Wintcr w~ProvisiDns.docx