|
:41 •10
<br />GENERAL PROVISIONS
<br />GOVERNING INSTALLATION OF SUBSURFACE STRUCTURES Am>Pl1'.ELINES WlTHJN COUNTY :aOAD.R1GHTS-OF-WAY .
<br />PUBLIC CONVENIENCE Am>SAFETY:
<br />A Before obstructing any private driveway entrance or County roadtraveled way with a trench.spoil bank.equipment or other barrier permitted for any
<br />prolongcd..period ofJ;ime,the Peimittee.shall notify the knovm ~ers of the respective tRarougbfare(s)involved.and shall provide access for vehicular andpedestriantraffictoandfromthemad.._.
<br />1.Unless otherwise permitted.all worksbali be conducted in such a manner that no less than !me lane of the exist4tg County road traveled way will
<br />be maintained open to public traffic during working hours in a smooth.and safe riding CODdition(s).Two Janesshall be open after working hollIS.
<br />2.In cases whm road closure is permitted.the permission to close the road will be granted under ,the condition that the Pennittte notify the
<br />forrowing pe>::ons and/or agencies of the tim~the period of closuxe,and.the detour route st least tWeoty-1our (24)hOl1r1lprior to said.rood closure.•.The County of San Joaquin Public Works Department .d..The locai fire district
<br />b.The County efSan Joaquin Sherifi's Office e.Thelocai school district ,
<br />Co The local postal service f The local residents involved
<br />B.sbouid hazardons cODditioDs ",Ime to the insmllation.operll!ions WBlTantflagmen,as many capable flagmeo as may be necessary shali be provided_by thePermitteeandstationedinadvanceofworktowarnanddi.recttrafiic.~.c.Lighls,sigos and barricades shall be furnished,en:cled and maintained by the Permittee for the adequate warning and coDveoieo~of the puhlic,with '
<br />particular atteotioo to be tllkeo in this "'ganl after dark.
<br />D..Any excess dirt and/or debris which might be a bazard to either antomobile 0;pedestrian traffic,\Illcootmilable bY lights,signs and barricades,shall beremovedfromthejobsitedaily.
<br />STRUCTURESo
<br />A Walls ofstructun:s shall be such quality and streogth that they will =ist all p=sures an.d will not crack or be deformed in such a way as to cn:ste a ~d
<br />.or maintenance problem at any time.T1i~fore~the ininimum structural requirements for concrete pipe placed under county road rigbts~f-way shall
<br />conform to the'following American Association of Stale Highway and transportatiOD Officials (AASIITO)desigoations.
<br />1.For c6ncrete pipe up to and including thirty-tbree inches (33j inside-diameter~exfra.strength concme conforming to AASHTO Designation M
<br />17~...
<br />.'2..For CODcn:tepipe thirty-six inches (36")inside diameter and larger,reinforced concn:te pipe conforming to AASIITO I1esigoation M 170M ClassIll..
<br />3.Plastic pipe conforming to AASHTO DesignatioD M294.I
<br />B.All CODcrete pipe joints with Couoty mod rights-<lf-way shall be seaied against leakage and/or.infiltretioo with rubber gasket in conformance with Section
<br />65-1:06 of the California Standard Specifications.or with other methods as may be permitted under the Special Provisions..r.'
<br />C.Cast-in-place cob.cretc pipe;vitrified clay pipe;spiral welded steel pipe,or corrugated aluininum alfoy pipe shall not be installed within the County roadrigbts~f-way unless specifically so stated in the Speci81 Provisions.and only under the conditions as provided.I .•',
<br />J),,All structn=to be buried within the County rights-<lf-way sball be set at such elevations as to aliow minimum coverage of thirty inches (30")to the •
<br />centerline of the roadways and twelve inches (12j at the bottOms of borrow ditches eaclJ.side of the roadways,The depths of structures shall be established
<br />below a fiat plane extending across the rights-of-way.no part ofwhicb shall extend above the elevatioDS stated above;man..,oie.s.lampholcs.1ralves.etc,not
<br />included.Futuie swface elevations shall be anticipated as nearly as possible and structure elevations shall be estBblished for future adjumnents'accordingly.
<br />E,The County hereby reserves the right to specify in the SP.tcial Provisions the gage and ~treatment of any galvanized corrugated metal pipe thatis to beinsmll~.-
<br />F.Alllongitudina1 otiilty facilities an:to be establisbed (and dimensioned 00 sketches)from surveyed ceoterline of road right-<lf-way,Dot from right-<lf-way.(border)lines..
<br />REPAIRS OF THE COUNTY RIGHT-OF-WAY:.,
<br />All excavations shall be backfilled and compacted immediately after wode therein has been completed.
<br />Trenched shall not be left open farther than 300 feet in advance of pipe laying OperatiODS.or 200 fcctto the r:earthereot:unless otherwise pen:nit:tr;dbytbeEngineer.•...
<br />Unless otherwise permitted under the Special Provisions,.backfill !>ballbe placed and mechanically compacted in'such amanner that the telative compa:ctionthroughouttheentirefillwithintheCountyroad~t-of~way shall collfurm to the percentages of compaction as sho'iVllon the Trench detail.,,
<br />Backfill material sball be placed in horizontal Uniform laye>::Dotto exceed in thiclmess.befon:compaction.0.67 foot in the bedcling region.ooe -foot when:900A compaction is required.and two-fcet where 80%comp[l.ction is required.,..
<br />No portion oftbe c:xcava1i.on(s)shall'be compacted by ponding orjetting un1ess a maintenance bond is provided._
<br />Gravel bacldill materiai sball be utilized only when:specifically so stlted on the face of the permit It shail be compacted by means ofahigh-frequency •.
<br />intema1 vibrator~the compactor to be a size and type approved by ~e Engineer.Points of compaction shall not be greater than IS"centers and to the fulldepthofthelift..•.•'.
<br />All pavemeots.curbs.gutters,sidewalks,b~rrowditches,pipes,bood walls,mad signs,trees.shruhbery,and/or other pemlanent rood facilities impairnl by
<br />or as a result ilf constrnction operll!ioos att!le cOnslructioc site(s)occupied by materials and/or eqnipmeot.shall be reston:d immediately UPODbackfilling of
<br />the excavation to the original grades and cross sections.~dto a condition as good as.or better than existing prior to construction.
<br />All surfacing materials ofroodways and driveway appmaches cut or damaged by or as a n:sult of constrnction.operll!ions,shall be "'Placed within 'ONE
<br />WEEK following the backfilling of ",cavation.weafber permitting,with compacted layen:of swfacing msterlals at least as thick as the existing,and DOless
<br />1han two inches (2")of asphait cooade over six inches (6")of aggregate base.both as specified below...
<br />-~.-Asphait Conaete:Combined mineral aggregate sball cooform to the quality and gradation requiremeols for'l'ype "B"'ODe-baif inch(1/2)
<br />maximuro aggregate,coarse or medium gradation as specified in Sectioo 39 of the California Standard Specifications.The bituminons binder to
<br />be mixed wi1h minerai aggregate shall he paving asphait baving (Grade PO 64-10),unless otherwise di=ted by the Engineer.Placement of
<br />aspbalt CODe<etesur:filclng shali cooform to the applicable provisions of Section 39 of the California Slandard Specifications.
<br />2.Aggregate Base:Combine<!minerel aggregates shall conform to the quality and the grading for three-quarter inch (3/4")maximum size
<br />aggregate Class 2 Aggn:gate Base specified in SectiOD 26 of the Ca1lfomia Slandard Specifications.
<br />L Before acceptance "f"'Pairs to the Courdy road rights-of-way,ali unsightly and detrlmeotal dirt,dust and/or debris shall be n:moved and 1he constructionareasleftinaneatandpresentablecondition(s)..
<br />1.IfDecesSary,Couoty road traveled way and driveway pll\'CDlenls sball'be washed with waw to rompve di:!and dust
<br />2 Driveway appmaches and field eo_ce pavemenls damaged by equipmeot or spoil banks sbali be "'Paired as directed by the Engineer.
<br />J.'UPOD request hy the County,any settlemeot.sagging of suriilce,or craclcing of pavement shali be "'Paired iriunedistely by and at the sole expense of thePermitteef~r apenod of one year following acceptance of the work.
<br />IPEums COUNlER.~provisions\Wm1etWwhcrProvWons.doa..,
<br />•,,
<br />..
|