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GENERAL PROVISIONS <br />GOVERNING INSTALLATION OF SUBSURFACE STRUCTURES AND PIPELINES WITHIN COUNTY!l0AD-RlGHTS-OF-WAY . <br />nTJBLIC CONVENIENCE AND SAFETY: <br />A Before obstructing any private driveway entrance or COUOJ."y road traveled waywith atrench.spoil bank,equipment or other barrier permitted for any <br />prolonged.period of.1;ime,the Permittee-shall notifY the known usern of the respective th9roughfare(S)involved,and shall provide access for vehicular andpedestriantrafficto-.an.dfrom the road.. <br />1.Unless otherwise permitted,all work shall be conducted in such a man.cer that no less than 6Ile lane of the existipg Coun:l;yroad traveled way will <br />be maintained open to public traffic during working hours in a smooth.:md safe riding condition(s).Two lanes shall be open after working hours. <br />2.In cases where road cioSW"f:;is permitted"the permission to close the road will be granted under ,the condition that the Permitree notify the <br />farrowing persons andlor 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 Department _d.The local fire district <br />b.The County of San Joaquin Sheriffs Office e.Tbelocal school district <br />c.The local postal service f The local residents involved <br />B.Shocld hazardous conditions relative to tire installa.t:ioaopera:tions warran~flae,"lUen.as many capable fla.:,'O'Dlenas may be necessary shall be provided-by thePen:nittee and stationed in advance ofwork to wam and direct traffic._.c.Ligh1s~signs and banicades shall be :furnished,en::cted 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 of pedestrian trB:ffic~l}J1controliable by lights,signs and barricades.shall be <br />remeved from thejobsite daily. <br />STR1JCTURES~ <br />A Wails ofstructmes shall be such quality and strength that they will resist all pressures ~d will not crack or be deformed in such a way as to create ahaz~d <br />-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'followmg Americaa Association of State Highway and transportation Officials (AASHTO}designations. <br />1.For concrete pipe up to and including thirty-three inches (33")insid~diameter.extra strength concrete conforming to AASIITO Designation M170M-. <br />--2.-For concrete pipe thirty--six inches (36'')inside diameter and larger.reinforced concrete pipe conforming to AASHfO Designation M 170M Classm.. <br />3.Plastiopipe conforming toAASHTO Designation 1'vf294. <br />B.AlI concrete piPe joints with County road rights-of-way shall be sealed against leakage and!or.in.filtration with rubber gasket in conformance with Section <br />65-1:06 of the CaIifomiaStandard Specifications.or with other methods ~maybe permitted under the Special Provisions.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 unless specifically so stated in the SpeciaJ.Provisions,and only under the conditions as provided... <br />J..All structnres to be buried within the County rights-of-way shaH be set at such elevations as to allow minimum Coverage 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 pl~e extending across the rights-of-way,no part ofwhich shall extend above the elevations stated above;man..i.oies.larnpholes~--valves.etc_not <br />included.Future surface elevations shall be anticipated as n~arly as possible and structure elevations shall be established for future adjustments'accordingly. <br />E.The County hereby reserves the right to specIfj in the Sp'ecial ProYisions the gae.oroand ~treatment of any galvanized corrugated metal pipe that-is to be <br />installed. <br />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(border)lines.. <br />lEPAlRS OF THE COUNTY RIGHT-OF-WAY: <br />A-B. <br />C.' <br />D. <br />E.F_ <br />H. <br />J. <br />:'.All excavations shall be backfilled and 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~or200 feet to the ~thereo~unless otherwise permitt~d by tileEngineer... <br />Unless otherwise permitted under the Special Provisions.backfill shall be placed and mechanically compacted in.such amanner thatilie relative compa:ction <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 />Baclcfill material shall be placed in horizontal uniform layers not to exceed in fui~kness.before compactio~0.67 foot in the bedding regiorl,.one -foot where <br />90%compaction is required,and two-feet where 8.0%comp~ction is required.-- <br />No portion of the excavation(s)shall'be compacted by pondingorjettingun1ess amaintenance bond is provided. <br />Gravel backfill material sball be utilized only where specifically so stated on the face of the permit It shall be compacted by means of ahigh-frequency <br />intema1 vibrator,.the compactor to be a size and type approved by the Engineer.Points of compaction shall not be greater than 1&"centers and to the full <br />dep1l1of 1he lift c . <br />All pavements,.curbs.gutters,sidewalks.bnrr-ow.ditches.pipes.head walls.road signs,trees.shrubbery.and/or other permanent rbad facilities impaired by <br />or as a result of construction operations attlie cOnstruction sitees)occupied by materials and/or equipment.,shall be restored,immediately upon baclcfillin.g 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!surfacing materials ofroaclways and driveway approaChes cut Dr damaged by or as aresult of construction,operations,shall be replaced.within-ONE <br />WEEK following the back:fi1ling of excavatiD~weatberpermitting.with compacted layers of surfacingmateriaIs atleast as thick as the existing,and no less <br />than two inches (2")of aspllB1tconcrete over six inches (6")of aggregate base,both as specified below..• <br />.,1-."AspllB1t Concrete:Combined mineral aggregate sball conform to 1I1eqcality and gradation requirements fur lype "B"'one-half inch(1J2) <br />maximum aggregate,coarse ormedium gradation as specified in Section 39 oftbe California Standard Specifications.The bituminous binder to <br />be mixed with mineral aggregate shall be plrVingaspllB1thaving (Grarie PG 64-10),unless otherwise directed by !be Engineer.Placement of <br />asphalt con~te stUfacing shall conform to the applicable provisions of Section 39 of the CaIifomiaStandard Specifications. <br />2.Aggregate BaSe:Combined mineral aggregales sball confoll)l to 1I1equalIty and tbe grading fur furee-quarter inch (3/4")maximum size <br />aggregate Class 2 Aggregate Base specified in Section 26 oftbe CalifomiaSlsndard 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 left in a ne.at and presentable condi.tion(s). <br />L Ifnecessary,County road traveled way and driveway PElYementsshall'b~washed with water to rernpve 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,sag"oing ofsurface,or cracking of pavement shall be repaired immediately by and at the sale expense of the ' <br />Permittee for a period of one year following acceptance offue work. <br />ERMITS CDUN'IER'Igenc:nll provisions'iWilltM w~ProvisiollS.d=