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GENERAL PROVISIONS <br />GOVERNING INSTALLATION OF SUBSURFACE STRUCTURES AND Pll'ELlNES WITHIN 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 'french,spoil bank,equipment or other barrier permitted for any <br />prolonge.d..period ofJ;ime.the Perrnittee-shall notify the known ll';efS of me respective th0roughfare(s)involved,and shall provide a~ss fOf vehicular and <br />pedestrian traffic to-and from the road.. <br />1.Unless otherwise 'permitted.all work shall be conducted in such amanner that no less than 0ne lane of the existip.gCourrty road traveled way will <br />be maintained open to public 1rafiic during working hours in a smootJumd safe riding conditiones).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 closure.and-the detour route.at least tWenty..,four(24)hours priorto said.road closure.a The County of San Joaquin 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 postal service f The10cal residents involved <br />B.Shocld hazardous Conditions relative to the instalIatino.nperations warraIl~flagmen,as many capable ftagmen as may be necessary shall be provided_by the <br />Permittee and stationed in advance of work to WR{nand direct traffic...c.Lights,signs and barricades shall be furnished,erected and maintained by t.he Permittee for the adequate warning and convenienc~ofllie public.with. <br />particular attention to be taken in this regard after dade. <br />D...AJ:J.yexcess dirt and/or debris which might be ahazard to either automobile or pedestrian traffic.lJD.controIlableby lights,signs and barricades,shall be <br />removed from the jobsite daily. <br />STRlJCTURES,. <br />A Walls ofstructures shall be such quality and strength that they will resist all pressures an,dwill not cracleor 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 CDncretepipe placed under county road rights-of-way shall <br />conform to the'fo1l6wing American:Association ofS~Highway and transportation Officials (AASIITO)"designations. <br />1.For c6ncrete pipe up to and including thirty-three inches (33")inside-diameter,extra strength concrete conforming to AASHTO Designation M170M. <br />.'2..For concrete pipe thirty-six inches (36j inside diameter and larger,reinforced concrete pipe confonning to AASHTO 1<esignafion M 170M:Class <br />II!.. <br />,3.Plastic pfpe conforming toAASHTO Designation 11294. <br />B.All concrete piPe joints with County road rights-of:way shall be sealed against leakage andlor.infiltration with robber gasket in.conformance with Section <br />65-1;06 of the California Standard Specifications.or with other methods l;lS may be permitted under the Special Provisions.. <br />C.Cast-in-place concrete pipe.vitrified clay pipe.spiral welded steel pipe,or corrugated aluminum alfoy pipe shall not be installed within the County road <br />rights-of-way tmIess specifically so stated in the SpeciiJ.Provisions.and only under the conditions as provided... <br />1)"All structures to be buried within the County rights-of-way shall be set at such elevations as to allow minimum cover~creofthiriy 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 pI3?-e extending across the rights-of-way,no part of which shall extend above the elevations stated above;maI41.o1eS,Iampholes •.'Valves.etc.not <br />included.Future sur:face elevations shall be anticipated as nearly as possible and structure elevations shall be established for future adjusbnents.accordingly. <br />E.The County hereby reserves the right to specify in the S:eecial Provisions the ga.,creand surf~treatment of any galvanized corrugated metal pipe tb.at-is to be <br />instilled. <br />F.All longitudinal 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 />lEPAJRS OF THE COUNTYRlGHT-OF-WAY: <br />A- <br />B. <br />C.' <br />D. <br />E. <br />F. <br />H. <br />L <br />J. <br />,. <br />All excavations shall be baclcfilled 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 operations~or 200 feet to the ~ar thereot:unless otherwise p~by 'the <br />Engineer..'.'._. <br />Unless otherwise permitted under the Special Provisions.baclcfiII shall be placed and mechanically compacted in such a manner that the relative compa:ction <br />throughout the entire fill within the County road rigqt-of-way shall copfonn to the percentages of compaction as shown on the Trench detail... <br />Backfill material shall be placed in horizontal uniform layers notto exceed in thi~ess.before compaction"0.67 foot in the bedding region.one -foot where90%compaction is required,and two-feet where 8-0%comPflCfionis required... <br />No portion of the excavation(s)shall-be compacted by ponding orjetting un1ess a maintenance bond is provided...' <br />Gravel back:fi11 material Shall be utilized only where specifically so stated on the face of the permit It shalI be compacted by means of ahigh-frequency <br />intem:al vibrator.the compactor to be a size and type approved by the Engineer.P0ints of compaction shall not be greater than IS"centers and to the full <br />depth of the lift.l • <br />All pavements.curbs,gutters,sidewalks.borr-Qw.ditches,pipes,.head waIls,road signs"trees,.shrubbery.and/or other permanent road facilities impaired by <br />or as a result of constroclion operations attlie construction site(s)occupied by materials and/or equipment,.shall be restored.immediately upon bacicfiJJjng of <br />the:excavation to the original grades and cross sections.and to acondition as good as,or better than existing prior to construction. <br />All surfacing materials ofroadways and driveway approaChes cut or dam~cred by or as a result of construction.operations.shall be replaced within 'ONE <br />WEEK following fue bacldilling of excavation.weatber permitting;with compacted layers of SIlIfacingmaterials 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 speciJied below..- <br />"1\"Asphalt Concrete:Combined mineral aggregate shall confolll1 to the quali1;yandgradalion requirements for Type "B"'one-balf inch(U2) <br />maximum aggregate,coarse or medium.gradation as specified in Se~on 39 of the CaliforniaS'l:andard Specifications.The bituminous binder to <br />be mixed with mineral aggregate ,ball be paving aspbalt having (Grade PG 64-10).unless otherwise directed by the Engineer.Placement of <br />asphalt conClOtesurfucing shall conform to the applicable provisions of Section 39 of the CalIfornia StandMd SpeciJicalions. <br />2.Aggregate BaSe:Combined mineral aggregates shall confolll1 to the p1;y and the grading fur!hree-qumter inch (3/4")maximum size <br />aggregate Class 2 Aggregate Base specified in Section26 oftbe CalifomiaStandaril Specificalions. <br />Before acceptance ofmpairs to the County road rights-of-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 If'necessary.County road traveled way and driveway p~ements shalI-be washed with water to rem9ve dirt and dust <br />2..Driveway approaches and field entrance pavements damaged by equipment or spoil banks shall be repaired 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 at the sole expense of the <br />Permittee for a period of one year following acceptance oithe work.