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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 witha.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 thOroughfare(s)involved,and shall provide access for vehicular and
<br /> p edestiian taff c to and from the road
<br /> I Unless otherwise permitted,all work shall be conducted in such a manner that no Iess Paan one lane of the existing County road traveled way will be
<br /> maintained open to pubThc traffic during working hours in a smooth and safe riding conditioa(s).Two lanes shall be open after working hours.
<br /> 2. In cases where road closure is permitted,tine permission to close the road will be a relateUnder the Undthe condition that the Permiree notify-the following
<br /> persons and/or 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.Tae 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 involved
<br /> 3. Should hazardous conditions relative to the installation operations warraht fiaagmen,as marry capable r'le own as may be necessary shall bit provided
<br /> Dy the Permittee and stationed in advance of work to warn and direct traffic.
<br /> Lights,signs and barricades shall be furnished,erected and maintained by the Permittee for the adequate warning and convenience of the public,with
<br /> Dar-icuiar attention to be taken in this regard after dark
<br /> D. Any excess dirt and/or debris wbich might be a hazard to either automobile or pedestrian traffic,ancoatroIlable by lights,signs and barricades,shall be
<br /> -esioved from the job site daily.
<br /> STRUCTURES: -
<br /> k. Walls of structures shall be such quality and streagrh that they will resist all pressures and will not crack or be deformed.in such away as to treats a.
<br /> ward or maintenance problem at any time.Therefore,the minimum structural requirements for concrete pipe placed under County road rights-of-way shall
<br /> dnform to the following American Association of State Highway and Transportation Officials(AASHTO)designations-
<br /> 1.
<br /> e conations.1.For concrete pipe up to and including thirty-three inches(33`')inside diameter,extra strength concrete pipe conforming to-A Designation M I70NL
<br /> 2.Por concrete pipe thirty-six inches(36")inside diameter and larger,reinforced concrete pipe conforming to AASHTO desiknation M 170M Class III.
<br /> 3:Plastic pipe conforming to AASHTO Designation.M 294.
<br /> All concrete pipe joints within County road rights-of--way shall be sealed a.-dust leakage and/or infiltration with rubber gasket in conformance with
<br /> tctioa�66-1.06 of the California Standard Specifications,or with other metbods a
<br /> as mypermitted under the Special Provisions-
<br /> _ Cast-in place concrete pipe vitrified clay pipe,spiral welded steel pipe,or cod-ugated aivadnum aIIoypip8 shall not lie installed within the County mad
<br /> ti-hts-of-way unless.specifrcally so stated 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 beset at such elevations as to allow minim—coverage of thirty inches(30'�to
<br /> he centerline of the roadways and twelve inches(12")at the bottoms of borrow ditches each side:of the roadways.The depths of strnetures shall be established
<br /> Blow a flat plane extending across the rights-of-wap,no part of which shall extend above the alevadons stated above;manholes,lampholes,valves.e=not
<br /> icludeti Future surface-elevations sball be.antieipated.as nearly as possible and structure elevatims shall be established.for-futnre adjpstmentaccordingly.
<br /> The County hereby reserves the right to specify in the Special Provisions the gage and.surface treatmeat of any galvanized corrugated meta)pipe that is to
<br /> �e installed .. .
<br /> F.
<br /> Ail longitndinal utility facilities are to be edi
<br /> established(and mensioned on sketches) m frosurveytd-centerline of road right-of-way,not from tight-of-wap
<br /> )order)Tines..
<br /> PEPAIRS OF THE COUNTY RIGHT-OF-WAY:
<br /> All excavations shall be backfilled and compacted immediately after work therein has been completed.
<br /> Trenches shall not be left open farther than 300 feet in advance of pipe laying operations,a:200 fejt to the rear thereof,unless otherwise permitfsd
<br /> Y tlhc Engineer. under.the Special Provisi. ..
<br /> Unless otherwise permitted oas,backfill shall be placed and mechanicallyma
<br /> compacted in such a manner that the relative
<br /> impaction throughout the entire fill within the County road right-of-way shall conform to the percentages of compaction as shown on the Trench Detail
<br /> . Backfill material shall be placed in horizontal uniform layers not to exceed in thickness,before compaction,0.67 foot in the beddmg 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 maint--na,hce bond is provided
<br /> Gravai backfill material shall be utilized only where specifically so stated on the face of the permit It shall be compacted by means of a bigh-frequency
<br /> a:ernal,vibrator,the compactor to be a size and type approved by lire Engineer..Points of compaction shall be not greater than 18"centers and to the full
<br /> epth of the lift
<br /> L All pavements,curbs,a tters,sidewalks,borrow ditdhes,pipes,head walls,road signs,treys,shtvbbery,and/or other permanent road facilities
<br /> apaire-d by or as a result of construction operations at the construction sites),or at other grounds)occupied by materials and/or equipment,shall be
<br /> stored-i=ediately apou backfilling of the excavation to the original grades and cross sections,acrd to a condition as good as,or better than existing prior
<br /> construction.
<br /> L All surfacing materia.is of roadways and driveway approaches cut or damaged by or as a resuY of construction operations,shall be replaced within
<br /> NE WEEK following the backfilling of excavation,weather permitting,with compacted layers.of surfacing materials at least as Blick as the c dstin-g,and no
<br /> ss than two inches(2")of asphalt concrete over sin inches(6 )of aggregate base,both as-specified below.
<br /> 1.Asphalt Concrete Combined mineral aggregate shall conform to the quality and gradaton requirements for Type`B"one-half(1/2")ma rinrum
<br /> aggregate,coarse or medium g eiaiion,as specified in Section 39 of the California Standard Speaficadoas.The bituminous binder to be mixed with
<br /> mineral aggr orate 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 Cilifornia Standard Specifications.
<br /> 2.Aggrqggate Base:Combined mineral aggregates shall conform to the quality and the grading for thee-quarter inch(3/4")maximum size aggregate
<br /> Class 2 Aggregate Base specified is Se:etion 26 of the Califomia Standard Specifications
<br /> B afore acceptance of repairs to the County road rights-of-way,all unsightly and deterental dirt,dust and/or debris shall be remove d and the
<br /> Yastructioa areas left in a neat and presentable coadition.(s).
<br /> l._Jf necessary,County road traveled way and driveway pavements shall be washed with water to remove dirt and dust
<br /> 2.Driveway approaches and field enhance pavements damaged by equipment or spoil.banks shall be repaired as directed by the Engineer._
<br /> Upon request by the County,any settlement,-gging of surface,or cra-.kiag of pavement shall be repaired irrunr-)lately by and at the sole expense of.,
<br /> L--Permittee for a period of one year following acceptan.,e of the work.
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