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GENERAL PRO VIS IONS_
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<br /> ?UBLIC CONVENIENCE AND SAFETY:
<br /> A. Before obstructing any private driveway enhance 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 thoroughfare(s)involved,and shall provide access for vehicular and
<br /> p ed?-t as 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 pubac traffic during working hours in a smooth and safe riding condition(s).Two lanes shall be opea after working hours.
<br /> 2. In cases where road closure is permitted,the permission to close the road will be wanted under the condition that the Permittee notify the fa-11-wing
<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 dre 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 instaIladon operations warrant flagmen,as many capable flagmen as may be necessary shall be.provided
<br /> Dy die Permittee and stationed in advance of work.w warn and direct traffic.
<br /> :. Lights,signs and barricades sball be furnished,erected and maintained.by the Permitted for the adequate warning and convenience of the public,with
<br /> 3arlicalar 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 tntffic,uncontrollable by lights,signs and barricades,shall be
<br /> -emoved from tiic job site daily.
<br /> STRUCTURES:
<br /> 4: Walls of structures shall be such quality and strength that tbey 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 /> onform to tine following American Association of State Highway and Transportation Officials(AASHTO)designations.
<br /> 1.For coacrete pipe up to and including thirty-three inches(33")inside diameter,extra strength concrete pipe conforming to AASHTO-Designation M 170Nt
<br /> 2.For concrete pipe thirty-six inches(36")inside diameter and larger,reinforced concrete pipe conforming to AASHTO designation.14170M Class III.
<br /> 3:Plastic pipe conforming to AASHTO Designation M 294.
<br /> AII 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-plconm
<br /> crete pipe,vitrified clay pipe.-spiral welded steel pipe,or corgated aluminum an pipe shall not be installed within the County road
<br /> ace
<br /> ,ghts-of-way unless.specifically so stated in-the Special Provisions,and only under the conditions as provided-
<br /> D.
<br /> rovidedD. All structures to be buried within the County road rights-of-way shat'be set at such elevations as to allow minimum coverage of thirty inches(30'�to
<br /> re crate dria of the roadways and twelve inches(12")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-way,no part of which Shan 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 future adjustper t accordingly.
<br /> The County hereby reserves the right to specify in the Special Provisions the gage and Surface h-eatinmt of any galvanized'comigated metal pips that is to
<br /> )e installed
<br /> 7. All longitudinal utility facilities are to be established(and dimpr sioned on sketches)from surveyed-centerline of road'right-of-way,not from light of-way
<br /> iorder)lines.'
<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 200 feet to the rear thereof,unless otherwise permitted
<br /> y.the Engineer.
<br /> Unless otherwise permitted under rhe 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 layers not to exceed in thickness,before compaction,0.67 foot in the bedding region,one foot
<br /> ,hare 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 maintenan:�e bond is provided
<br /> Gravel backfill material shall be.utilized only where specifically so stated on the fact of the permit It shall be compacted by means of a high-frequency
<br /> iterrral.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 /> spth of the lift
<br /> i. All pavements,curbs,gutters,sidewalks,borrow ditches,pipes,head wills,mad signs,tree:.,shrubbery,and/or other permanent road facilities
<br /> apaired by or as a result of construction operations at the construction site(s),or at other ground(s)occupied by materials and/or equipment,shall be
<br /> stored-rmmediately upon backEMag 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 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 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 /> 1.Asphalt Concrete:Combined mineral aggregate shall conform to the quality and gradation requirements for Type'B"one-half(1/2")ma Timrmm
<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 Eagint-er.-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 Specificatons
<br /> Before acceptance of repairs to the County road rights-of-way,all unsightly and detrimental ciirt,dust and/or debris shell be removed and the
<br /> rastraction areas left in a neat and presentable coadition(s).
<br /> 1.If necessary,County road traveled way and driveway pavements shall be washed wita 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 Enginetr.-
<br /> Upon request by tine County,any settlement sagging of surface,or cracking of pavement shall be repaired immediately by and at the sole expense o€.,
<br /> re Permittee for a period of one year following acceptance of the worn. y
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