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GENERAL PROVISIONS_
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<br /> ?UBLIC CONVENIENCE AND SAFETY:
<br /> A. Before obstructing any private driveway entrance or County road traveled way with a ireach,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)iuvolved,and shall provide access for vehicular and
<br /> pedestrian traffic to and from the road.
<br /> I Unless otherwise permitted,all work shall be conducted is 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 condi.tioa(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 grantee under the condition that the Permittee notify tilt 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-me County of San Joaquin Public Works Deparuneat 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 flagmen as may be necessary shall be.provided
<br /> ;y 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'yarning and convenience of the public,with
<br /> ?articular attention to be taken in this regard after darlL
<br /> D. Any excess dirt and/or debris which might be a hazard to either automobile or pedestrian traffic,uncontrollable by Lights,signs and barricades,s'naII be
<br /> -ea ved from the job site daily.
<br /> STRUCTURES: -
<br /> 4: 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 /> .azard or maintenance problem at any time.Therefore,the minimum structural requirements for concrete pipe placed under County road rights-of-way shall
<br /> deform to-the following American Association of State Highway 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.For concrete pipe thirty-six inches(36")inside diameter and larger,reinforced concrete pipe conforming to AASHTO designation M 170M Class LII.
<br /> 3:Plastic pipe conforming to AASHTO Designation M 294.
<br /> ATI concrete pipe joints within County road rights-of-way shall be sealed against leakage and/or infiltration with rubber gasket in conformance with
<br /> ectioa 65-1.06 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,spiral welded steel pipe,or corrugated aluminum alloy pipe shall not be installed within the County road
<br /> ghts-of-way unless.specifically 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 be set at such elevations as to allow minimum coverage of thirty inches(30'�to
<br /> it centerline of the roadways and twelve inches(L2")at the bottoms of borrow ditches each side of the roadways.The depths of structures shall be established
<br /> elow a flat plane extending across the rights-of-wap,no part of which shall extend above the elevations stated above;manholes,lampholes,valves.etc.not
<br /> icluded.Future surface-elevations shall be.anticipated.as nearly as possible and structure elevations shall be established.for futureadjnctment accordingly.
<br /> The County hereby reserves the right to specify in the Special Provisions the gage and-surface treatment of any galvamized-corrngated metal pipe that is to
<br /> ie installed
<br /> All longitudinal utility facilities are to be established(and dimensioned on sketches)from surveyed centerliac"of road rigbt-of-way,not from right-of-wap
<br /> iorder)fines.
<br /> REPAIRS 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,or'AO feet to the rear thereof,unless otherwise permitted
<br /> Y the Engineer.
<br /> Unless otherwise permitted under 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 on the Trench Detail
<br /> . Backfill material shall be placed in horizontal uniform Iayers not to exceed in thickness,before compaction,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 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 oa the face of the permit It shallbe compacted by means of a high-frequency
<br /> iterual.vibrator,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 lift
<br /> i. All pavements,curbs,gutters,sidewalks,borrow ditches,pipes,head walls,road signs,trees.,shrubbery,and/or other permanent road facilities
<br /> apaired by or as a result of construction operations at the construction situs),or at other ground(s)occupied by materials and/or equipment,shall be
<br /> storedimmediate-ly 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 /> construction.
<br /> L AIl surfacing materials of roadways and driveway approaches cut or damaged by or as a result 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 thick as the existing,and no
<br /> ss than two inches(2")of asphalt concrete over six inches(6")of aggregate base,both as-specified.below_
<br /> 1.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 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 three-quarter inch(3/4")maximum size aggregate
<br /> Class 2 Aggregate Base specified-in Section 26 of the California Standard Specifications
<br /> Before acceptance of repairs to the County road rights-of-way,all unsightly and detrimental dirt,dust and/or debris shall be removed and the
<br /> )astraction arras left in a neat and presentable coaditiou(s).
<br /> 1.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 repaired as directed by the Engineer._
<br /> Upon request by the County,any settlement,sagging of surface,or cracking of pavement shat be re-paired immediately by and at the sole expense o€.,
<br /> re Permittee for a period of one year following acceptance of the work.
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