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GENERAL PROVISIONS <br />GOVERNING INSTALLATION OF SUBSURFACE STRUCTURES AND PIPELINES WITHIN COUNTY ROAD-RIGRTS-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 o~e.the PCDD.ittee.shaIlnotify the known users afthe respective thorougbfare(s)involved.and shall provide access for vehicular andpedestriantrmlietoandfromthemad... <br />1.Unless otherwise pemritted"all work shall be conducted in such Bmanner that DO less than ant lane oithe ~g County road traveled way will <br />be maintained open to public traffic during worlci.nghours in a smootfuand safe riding condition(s).Two lanes shall be open after worlcing hours. <br />2.In cases where road clOS'llR:is permitted.the permission to close the road will be granted under ,the condition that the Permittee notify the <br />farrowing persons andlor agencies oftbc time.the period of closure,and.1he detour route at least ~-1our (24)hours prior to said .road closure.a.The Coonty of San Joaquin Public Worl<sDepartment _d..The local fire district <br />b.The County of San Joaquin Sheriff's Office Co The local school district <br />c.The local postal servico f The local residents mvolved <br />B.shouid hazardous Cooditious relative IIIthe inslllllatioo.operelions wam.,t a_en,as many capable a_en as may be necessmy shall be provided.by the <br />Permittee and stationed in advance ofworlc to warn and direct traffic...c.Ligb1s,signs and banicades shall be furnished,erected and maintained by the Permittee fur the adcquan:warning and coovenieo~of the public,with <br />particular attention IIIbe blken in this regard after darlc. <br />D..Any excess dirt and/or debris whlch might be a hazard IIIeither _mobile 01pedestrian trmlic,\lIlcontmllable by lights,signs and banicades,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 lll\d will not crack or be deformed in such a way as IIIcreate a m.z;".d <br />.or maintenance problem at any time.Tlicrefore,the minimum structural requircmeI1ts for concreto pipe placed under county road rights-of-way shell <br />conform to the'following American Association of State Highway end transportation Officials (AASHTO)designations. <br />1.For c6ncrcte pipe up to and including thirty-three inches (33j inside-diameter,extra strength concrete conforming to AASHTO Designation M170M.. <br />.'2..For concrete pipe thirty-six inches (36")inside diameter and Imger.reinforced concrete pipe confOrming IIIAASIITO I1csignafion M 170M Qassm..3.Piastie pipe conforming IIIAASHTO Designation M294. <br />B.All concrete PiPe joinls with County road rights-of-way shall be sealed against leakage and/or.infiltration with rubber gasket in conformance with Section <br />65-1:06 oftbe California Standard Specifications.or with other methods as may be permitted underth'e Special Provisions.. <br />C.Cast-in-place concrete pipe,vitrified clay pipe,spire!welded stceI pipe,or COllUgated aluminum alfoy pipe shall not be insllllled within the Coonty roadrights-of-way unless specifically so stated in the SpeciiU Provisions.and only under the conditions as provided..-. <br />D.All stroetnres III be buried within the County rights-<lf-way shati be set at such elevations as III allow minimum covera,,""of thirty inches (30'1 IIIthe <br />centerline oftbe roadways and twelve inches (12")at the bott:.Omsof borrow ditcltes each side of the roadways.The depths of structures shall be establishedbelowafiatplaneextendingacrosstherights-of-way,no part ofwhicb shall extend above the elevations stated above;manhoies,lampholes,:YaIves.etc.not <br />included.Futufe surface elevations shall be anticipated as nearly as possible and structure elevations shall be established for future adjustments.accordingly. <br />B.The County hereby reserves the right IIIspecify in the SP.OcialProvisions the gage and ~treatment of any galvanized COllUgatcdmeta!pipe that-is III be <br />installed. <br />F.All longitudioal ntility facilities II1"C IIIbe establisbed (and dimensioned on sketches)from surveyed centmine of road right-<lf-way.not from right-<lf-way(border)lices.. <br />REPAIRS OF THE COUNTY RIGHT-OF-WAY:,'.A All excavations shall be backfilled and compacted immediately after work therein has been completed. <br />B.Trenched shall not be left open farther than 300 feet in advance of pipe laying operations.or 200 feet to the rear thereof:unless otherwise permit:t=d.by theEngineer...:. <br />C..Unless otherwise permitted und~the Special Provisions.backfill thall be placed and mecllanical1y compacted in.such a manner that the relative compa:ctionthroughouttheentirefillwithintheCountyroadrigljt-<lf-way sball conform IIIthe percentages of compaction as shown on the Treoch detail .. <br />D.Bacld!Jl material sball be placed in horizontal uniform lay""not IIIexceed in thicJrness.before compaction,0.67 foot io the beddiog regiod.ooe -foot where <br />9()t'1o compaction is required.and two-feet where 80%compp.ction is required.. <br />R No portion of the excavation(s)shall'be compacted by pondingorjettingun1ess a maintenance bond is provided. <br />F.lbvel backfill ma1<rial shall be utilized only where specifically so stated on the face of the permit It shall be compacted by means ofahigh-frcquency <br />internal vibrator,the compa_IIIbe a size and type approved by the Engineer.Points of compaction shall not be greaterthan 18"centers and to the full <br />depth of the lift.. <br />G.All pavements,curbs,gultCIS,sidewalks,borrow ditches,pipes,bead walls,road signs,trees,shmbbClY,andlor other permanent road tiIcilities impaired by <br />or as a result of construction operatious atthe cOnstruction site(s)occupIed by materials and/or equipmeo1;shall be res!llred immediale1y Upon baclcfilling 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 />H.All surfacing materials ofroadWRyll and driveway approaChes cut or damaged by or as a result of construction.operelions,shall be replaced within 'ONE <br />WEEK fullowing the backfilling of excavation,weather permitting,with compacted laym of surlilcing materials at least as thick as the existing,and no lessthantwoinches(2'1 of asphalt concrele over six inches (6")of aggregate base,both as specified below..- <br />-!-.-Asphalt Concrete:Combined mineral aggregate shall conform IIIthe quality and gradation rcquir=ents for Type "B"one-half incb(1/2) <br />maximum aggregate,coarse or medium gredation as specified in Section 39 of the California Standarti Specifications.The bituminous binder to <br />be mixed with mineral aggregate shall be paving asphalt having (Grade PO 64-101 unless otherwise directed hy the Engineer.Placement of <br />asphalt concrete surfacing shall confonn III the applicable provisions of Section 39 of the California Standard Specifications. <br />2.AggregateBasc:Combined mineral aggregates shall confOnn IIIthe qualiiY and the grading for threc-quarter inch (3/4'1 maximtnn size <br />aggregate Qass 2 Aggregate Base specified in Section 26 of the California Standarti Specificatious. <br />L Before acceptance ofn:pairn to the County road rights-<lf-way,all unsightly and detrimental dirt,dust acd/or debris shall be removed and the construction <br />areas left in a neat and pl"CSClltablecondition(s). <br />1.Ifnecessmy,County road lraveled way and driveway PllVements sball'be washed with water IIIrem~ve dir;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 />J.Upon request by the Coonty,any scUlement sagging ofsurface,or cracIting of pavement shall be repaired immediately by and at the sole expense of thePermitteeforaperiodofoneyearfollowingacceptlmceofthework.