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GENERAL PROWSIONS_
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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 thorougiifare(s)involved,and shall provide access for vehicular and
<br /> p edestrian 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 lane of the existing County road traveled way will be
<br /> maintained open to public 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,the permission to close the road will be grzattd under the condition that the Permittee 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.The County of San Joaquin Public Works Department d.The local,fire district
<br /> b.The County 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 flagraca as may be necessary shall be provided
<br /> :,y the Permittee and stationed in advance of work.to o warn and direct traffic.
<br /> ,-. Lights,signs and barricades shall be furnished,erected and maintained by the PermitSce foe-the adequate warning and convenience of the public,with
<br /> oartic:ular 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 or pedestrian tafirc,uncontrollable by lights,signs and barricades,shall be
<br /> -embved from tine job site daily.
<br /> STRUCTURES: -
<br /> .k: Walls of structures shall be such quality and strength that they will resist all pressures and will not crack or be deformed,in such a way"as to create a
<br /> -a=d or maintenance problem at any time.Therefore,the minimum structural requirements for concrete pipe paced under County road rights-of-way shall
<br /> deform to the following American Association of State Ifrghway and Transportation Officials(AASHTO)designations.
<br /> 1.For concrete pipe up to and including thirty-three inches(33")inside diamet ex extra st magdn concrete pipe conforming to AA.SHTO Designation M 170NL
<br /> 2.For concrete pipe thirty-six inches(36")inside diameter and larger,reinforced coneree pipe conforming to AASHTO desigoadon M 170M Class III
<br /> 3:Plastic pipe conforming to AASHTO Designation M 294.
<br /> All concrete pipe j oints within County road rights-of-way shall be sealed against leakage ar_d/or infiltration with rubber gasket in conformance with
<br /> ection�66-1:06 of the California Standard Specifications,or with other methods as may permitted under the Special Provisions.
<br /> _ Cast-in-place concrete pipe,vitrified clay pipe,spinal welded steel pipe,or corrugated aluminum alloy pipe shalt not be installed within the County road
<br /> :ghts-of-way ualess.specifrcally so stated in tine Special Provisions,and caly uadcr the conditions as provided-
<br /> D.
<br /> rovidedD. 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 /> Le centreline of the roadways and twelve inches(12")at the bottoms of borrow ditches each side of the roadways.The deptbs of structures shall be established
<br /> elow a flat plane extending across the rights-of-way,no part of which shall extend above the elevations stated above;manholes,lampholes,valves.etc.not
<br /> acluded Future sgrface elevations shall be.anticipated.as nearly as possible and structure elevations shall be established.for future,adjustmentacc:-? ii gdy.
<br /> The County hereby reserves the right to specify in the Special Provisions the gage and.surface treatment of any galvanized cosenPated metal pipe that is to
<br /> ie installed
<br /> All longitndnal adlity facilities are to be established(and dunensioned on sketches)from surveyedc-- terline-o£rbadright-of-way,not from fight-of-way
<br /> 3order)fines.'
<br /> REPAIRS OF THE COUNTY RIGHT-OF-WAY:
<br /> All excavations shalt be backfilled and compacted immrxiiattly after work therein has been completed-
<br /> i.
<br /> Trenches shall not be left open farther than 300 feet in advance of pipe laying operations,or 200 feet to the rear thereof,unless otherwise pi rm ted
<br /> Y the Engineer.
<br /> Unless otherwise permitted undrs.the Special Provisions,backfill shall be placed and mechanically 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 oa the Trench Detail-
<br /> Backfill material shall be placed in horizontal uniform layers not to exceed is fhickness,before compaction,0.67 foot in the bedding region,one foot
<br /> ,he-re 90%compaction is required,and two feet where 80%compacfion is required
<br /> No portion of the excavations)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 bigh-frequency
<br /> iternal.vibrator,the compactor to be a size and type approved by tine Engineer..Points of compaction shall be not greater than 18"centers and to the full
<br /> cath of the lift
<br /> z. All pavements,curbs,garters,sidewalks,borrow ditches,pipes,head vr.Iis,road signs,trees,shrubhray,andJor other permanent road facilities
<br /> repaired by or as a result of construction operations at the construction site(s),or at other grounds)occupied by materials and/or equipment,shall be
<br /> =md-rpmmediately upon backfilling of the excavation to the original grades and cross sections,:rod to a condition as good as,or better than existing prior
<br /> oonstuction.
<br /> C All surfacing materials of roadways and driveway approaches cut or damaged.by or as a result of construction operations,sbaU be rrplaeed within
<br /> NE WEEK following the backfilling 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 aggregate base,both as-specifiei below_
<br /> i.Asphalt Concrete:Combined mineral aggregate shall conform to the quality and gradation requirements for Type`B"one-half(1/2")maximum
<br /> aggregate,coarse or medium gradation,as specified in Section 39 of the California Standard Specifications.The bituminous binder to be mixed with
<br /> mineral aggr.-gate 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 /> I Aggrcgate Base:Combined mineral aggregates shall conform to the quality and the grading for three-quay-ter inch(3Y4-)maximum size aggregate
<br /> Class 2 Aggregate Base specified_in Section 26 of die Califarnia Standard Specifications
<br /> Before acceptance of repairs to the County road rights-of-way,all unsightly and detsamtal rLt t dust and/or debris shall be removed and the
<br /> rastruction areas left is a neat and presentable coaditiaa(s).
<br /> LIf necessary,County road traveled way and driveway pavements shall be washed with water to remove dot and dust
<br /> 2.Driveway approaches and field entrance pavements damaaoed by equipment or spoil banks shall be repaired as directed by the Enginerr.-
<br /> Upoa request by ti>e County,any settlement,,n-,mng of surface,or cracking of pavement shall be repaired immediately by and at the sole expense o€.,
<br /> Lt Parmitt--for a period of one year;nIlowing acceptance of the work.
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