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GENERAL PRO VIS IONS_
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<br /> 'UBLIC 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 /> prolonged period of time, the Permittee shall notify the known users of the respective thorougbfare(s)iavolvcd,and shall provide access for vehicular and
<br /> p edestnan traffic to and from the road
<br /> I Unless otherwise permitted,all work shall be conducted in such a manner that no less than one Imt of the existiag County road traveled way will be
<br /> maintained open to public traffic during working hours in a smooth and safe riding condition(s).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 tyre Permittee notify-fie follnwiag
<br /> persons and/or agencies of the time,the period of closure,and the detour route at least twenty-four(24)hours prior to suit road closure.
<br /> a The County of San Joaquin Public Works Department d_The local dre district
<br /> b.The(3ounty of San Joaquin Sheriff s Office. e.The local school district
<br /> c.The local postal service . - f.The local residents involved
<br /> B. Should hazardous conditions relative to the installation operations warrant flagmen,as many capable,flame as may be accessary shall be.provided
<br /> Dy the Permittee and stationed in advance of work to warn and direct traffic.
<br /> Z. Lights,signs and barricades shall be furnished,erected and maintaiacd by the Permittee for the adequate warning and convenience of the public,with
<br /> 2articular attention to be taken in this regard after dark.
<br /> D. Any cxcess dirt and/or debris which might be a hazard to either automobile or pedestrian traffic,uncontrollable by lights,signs and barricades,mall be.
<br /> :errioved from the job site daily.
<br /> STRUCTURES:
<br /> 4: Wails of structures shall be such quality and strehgth that they will resist all pressures and will not crack or be deformed.in such away as to create a
<br /> szard or maintenance problem at any time.Therefore,the minimum structural requirements for concrete pipe placed under County road rights-of-way shall
<br /> onform to the following American Association of State Mghway.and Transportation Officials(AASHTO)designations.
<br /> 1.For concrete pipe up to and including thirty-three inches(33")inside diameter,extra strength concrete pipe conforming to AASHTO-Designation M 170M_
<br /> 2.Por concrete pipe thirty-six inches(36")inside,diameter and larger,reinforced concreG .pipe conforming to AASH'M designation M 170M Class III.
<br /> 3:Plastic pipe conforming to AASHTO Designation M 294.
<br /> A?I con'cr'ete pipe joints within County road rights-of-way shall be sealed against leakage and/or infiltration with rubber gasket in conformance with
<br /> tc-don�65-1'.06 of the California Standard SpecifiLations,or with oiher methods as may'pa-milted under the Special Provisions.
<br /> Cast-in-pla=concrete pipe,vitrified clay pipe,spiral welded steel pipe,or corrugated aluminum alloy Pepe shall not be installed within the County road
<br /> 'ghts-0f-way nnless.specifically so vtated in the Special Provisions,and only under the conditions as provided-
<br /> J. All structures to be buried within the County road rights-of-way shall be set at such elevations as to allow minimum coverage Of thirty inches(30'�to
<br /> m centerline of the roadways and twelve inches(12")at flee bottoms cf borrow ditches each side of the roadways.The depths of structures shall be established
<br /> elow a flat plane extending across the rights-0f--way,no part of which shall extend above the elevations stated above;manholes,lampholes,valves.etc.not
<br /> )cluded Future surface-elevations shall be.anticipated.as nearly as possible and structure elevations sball be established.•for fatum idjusm=Laccoidi y.
<br /> The County hereby reserves the right to specify in the Special Provisions the gage End.s'urfax treatment of any galvanized coutigated metal pipe brat is to
<br /> )e installed
<br /> All longitudinal hhdlit�,facilities are to be established(and dimensioned on sketches)from surveyed-centerline-of road right-of-ivay,not from fight-of-way
<br /> iorder)Ines.'
<br /> REPAIRS OF THE COUNTY RIGHT-OF-WAY:
<br /> All excavations shall be backfilled and compacted immediately after work therein has been r-ompieted
<br /> Trenches shall not be left open farther than 300 feet in advance of pipe laying operations,or 700 feet to the rear thereof,unless otherwise pzmitted
<br /> Y the,Engineer.
<br /> Unless otherwise permitted undrr.the Special Provisions,backfill shall be placed and mechanically compacted in such a manner that the relative-
<br /> impaction
<br /> elativeimpaction throughout the entire fill within the County road right-of-way shall conform to the per tutzgm of compaction as shown on the Trench Detail-
<br /> .
<br /> etail. Backfill material shall be placed in horizontal uniform layers not to exceed in thickness,before compactioh,0.67 foot in the bedding region,one foot
<br /> here 90%compaction is required,and two feet where 80%Compaction is required
<br /> No portion of the excavation(s)shall be compacted by ponding or-jetting unless a maintenance bond is provided-
<br /> Gravel backfill material shall be utilized only where specifically so stated on the face of the permit It shall be compacted by means of a high-frequency
<br /> terma.Lvibrator,the compactor to be a size and type approved by the Engineer..Points of compaction shall be not greater than 18"centers and to the full
<br /> epth of the Ut
<br /> r. All pavements,curbs,gutters,sidewalks,borrow ditches,pipes,head w"•lls,road signs,tree.,sbnrbb=y,and/or other permanent road facilities
<br /> apaired by or as a result of construction operations at the construction siteEs),or at other ground(!;)occupied by materials and/or equipment,shall be
<br /> staredinmmettiately upon backfilling of the excavation to the original grades and cross sections,and to a condition as good as,or better than existing prior
<br /> cOI19truction.
<br /> L All surfacing materials of roadways and driveway approaches cut or damaged by or as a resrdt of construction operations,shall be replaced within
<br /> NE WEEK following the backEiILng of excavation,weather permitting,with compacted layers of surfacing materials at least as thick as the existing and no
<br /> ss than two inches(2-)of asphalt concrete over six inches(6")of aggreogate base,both as_spedfied below_
<br /> i.Asphalt Concrete Combined mineral aggregate shall conform to the quality and gradation requirements for Type`B"one-half(i/2")ma dmum
<br /> Aggregate,coarse or medium gradation,as specified in Section 39 of the California Standard Spe.^uicadons.The bituminous binder to be matd.with
<br /> mineral aggregate shall be paving asphalt having(Grade PG 64-10),unless otherwise,directed by the Engineer.Placement of asphalt
<br /> concrete surfacing shall conform to the applicable provisions of Section 39 of the California Standard Specifications.
<br /> 2.Aggregate Base:Combined mineral aggregates shall conform to the quality and the grading for thre quarter inch(3/4")maximum size aggregate
<br /> Class 2 Aggregate Base specifiedin Section 26 of the California Standard Specifications
<br /> Before aoceptance of repairs to the County read rights-of-way,all unsightly and detiimeatal dirt,dust and/or debris shall be removed and the
<br /> instruction areas left in a neat and presentable coadition(s).
<br /> L If necessary,County road traveled way and driveway pavements shall be washed with water to remove dirt and dust
<br /> 2.Driveway approaches and field entrance pavements damaged by equipment or spoil banks shall be rcpa.ircd as Buxted by the Enginmr.-
<br /> Upon request by the County,any scttlement,sagging of surface,or cracking of pavement shall be repaired i-nm-aztely by and at the sole expense of.,
<br /> ie'Permittee for a period of one year following acceptance of the work.
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