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GENERAL PRGVISIONS <br />GOVERNING INSTALLATION OF SUBSURFACESTRUCTURES ANDPIPELlNES WITHIN COUNTYROAD.RIGHTS-OF-WAY , <br />,' <br />PUBLIC CONVENIENCE AND SAFETY: <br />A Before obstructing any private driveway entrance or County road traveled way with a trench,spoil ba.nk.equipment or other barrier permitted for any <br />prolonged..period of.1;imc,the Perrnittee..shall noti:iYthe lmown users oftbe respective th-oroughfare(s)involved,and shall provide access for vehicular andpedestriantrafficto'an.dfrom the road.. <br />1.Unless otherwise pennitted.all work shall be conducted in such amanner mat no less than ene lane of the existip.g Courrty road traveled waywill <br />be maintained open to public traffic during working hours in a smooth.lJ,nd safe riding condition(s).Two lanes shall be open after working hours. <br />2.In cases where road eIasnre is permitted.the permission to close the road will be granted under ,the condition that the Permittee notify the <br />falrowing persons andfor agencies of the time,.the period of closure,and-the detour route at least tWen1;y.,.four(24)hours prior to said.roa.d closure.a The County of San 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 m.volved <br />B.shouid hazardous conditions relative to tire instalIation..operations warrant:flagmen.as many capable flagmen as may be necessary shall be provided.by the <br />Permittee and stationed in advance of work to warn and direct traffic:.. <br />.C.Lights,signs and barricades shall be furnished.erected and maintained by the Permittee for the adequate warning and convenienc~of the public.with.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 of pedestrian traffic.1}IlcontrolIable by lights,signs and barricades.shall beremGvedfromthejobsitedaily. <br />STRUCTURES:, <br />A WalI.s ofstIUctures shaIl be such quality and strength that they will resist all pressures an.dwill not crack or be deformed in such a way as to create a~d <br />.or maintenance problem at any time.Tfierefore,the minimum structural requirements for concrete pipe placed under county road rights-of-way shallconformtothe'following American Association of State Highway and transportation Officials (A.ASlITO}designations. <br />1.For c6ncrete pipe up to and including thirty-three inches (33")inside diameter.extra strength concrete conforming toAASHTO DesignationM170M.' <br />.'2..For concrete pipe thirty-six inches (36)inside diameter and larger.reinforced concrete pipe conforming to AASHTO Resignation M 170M Class <br />1Il ,'3.Plastic pipe conformingto AASHTO DesignationM294. <br />B.All concrete pipe joints with County road rights-of-my shall be sealed against leakage and/or.infiltration with rubber gasket in conformance with.Section <br />65-1:06 of the California Standard Specifications.or with other methods ~may be permitted under tire Special Provisions.. <br />C.Cast-in-place concrete pipe"vi1ri:fiedclay pipe,spiral welded steel pipe"or corrugated aluminum.array pipe shall not be installed within the County road <br />rights-of-way unless specifically so stated in the SpeciBI 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.:,"t;of thirty inches (30")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 ofwmch shall extend above the elevations stated above;manholes,lampholes.'-valves,etc.not <br />included.Fut:ui-e surface elevations shall be anticipated as nearly as possible and structure elevations shall be established for future adjustments'accordingly. <br />R The County hereby reserves the right to specifj in the Sp':eciaIProvisions the gage and s~treatment of any galvanized corrugated metal pipe that-is to be <br />installed. <br />F.AlI 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 />REPAIRS OF THE COUNTY RIGHT-OF-WAY: <br />A <br />B. <br />C.' <br />D. <br />B.F, <br />G. <br />R <br />1 <br />1. <br />1 '.All excavations shall be baclcfiIled 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 ~ear thereo~unless otherwise permitte<d by theEngineer..'.. <br />Unless otherwise permitted under the Special Provisions.backfill shall be placed and mechanically compacted in'such a manner that the relative compaction <br />throughout the entire fill within the County road righ,t-of-way shall copfonn to the percentages of compaction as shown on the Trench detail .. <br />Back:fiII material shall be placed in horizontal uniform layers not to exceed in thiclmess.before compaction,0.67 foot in the bedding region..one -foot where <br />90%compaction is required,and me-feet where 8-0%comp~on is required.... <br />No portion ofth.e excavation(s)shall"be compacted byponding orjet1ing un1ess a maintenance bond is provided. <br />Gravel backfill material sball be utilizl:d only wbere speciflcally so stated on the face of the pennit It shall be compacted by means of a high-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 full <br />depth oftb.e lift.' <br />All pavements.curbs.gutters.sidewalks,bt>Il'Ow,ditches.pipes,head waIls.road signs,trees.shrubbery.and/or other permanent road facilities impaired by <br />or as a result of construction operations attlie c6nstroction 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,aJ?dto a condition as good as.or better than existing prior to construction. <br />AIl snr.facing materials of roadways and driveway approaches cut or dama"oed by or as aJ:'Sll!t of construction.operations.sball be replaced wlthin'ONE <br />WEEK following the backfilling of excavation,weatherpermitfing,with compacted 1ayeISof surfacing materials at least as thick as the existing.and no less <br />than two inches (2")of asphalt concrete over six inches (6")of aggregate base.both as specified below,'. <br />"},"Asphalt Concrete:Combined mineral aggregale shall conform In the quality and gradation requirements fur Type "B".one-balf incb(l/2) <br />maximum aggregate.coarse or medium gradation as specified in Section 39 of the California Standard Specifications.The bituminous binder to <br />be mixed with mineral aggregate sball be paving asphalt baving (Grade PG 64-10).unless otherwise directed by the Engineer.Placement of <br />asphalt concrete surfacing shall conform to the applicable provisions of Section 39 ofthe California Standard Specifications. <br />2,Aggregate BaSe:Combined mineral aggregates sball confbD)]to the quality and the grading fur tbree-quarter incb (3/4')maxirnlIID size <br />aggregate Class 2 Aggregate Base specified in Section 26 of the Califomia Standard Specifications. <br />Before acceptance oftepairs to the County road rights-of-way,all unsightly and detrimental dirt;.dust and/or debris shall be removed and the construction <br />areas lett in a ncot and presentable condition(s). <br />L Jfnecessary,County road traveled way and driveway pEjVements shall'be washed with water to rem~ve dir1 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,sag""uingof 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 of the work.. <br />~Ell.MlTSCDUNlER\general provisions\Wuuer Wea1h~ProvisicllS.dcc:x,.