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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.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 thorougbft¢e(s)involved,and shalt provide access for vehicular and
<br /> pedestrian traffic to and from.the mad
<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 Wanted 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 slid road closure.
<br /> a.The 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 /> B. Should hazardous conditions relative to the installation operations warrant flagmen,as many capable flagnam as may be necessary shall be provided
<br /> -y the Permittee and stationed in advance of work.to yarn 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 /> aarticular 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 traffic,uncontrollable by lights,signs and barricades,shall be
<br /> -esioved 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 /> onform 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(3T')inside diameter,extra strength concrete pipe conforming to-AASHTO Designation M 170M_
<br /> 2.For concrete pipe thirty-six inches(36")inside diameter and larges,reinforced concrete pipe conforming to AA.SHTO designation M 170M Class III.
<br /> 3i 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 and/or infiltration watt.rubber gasket in conformance with
<br /> echos 66-1:06 of the California Standard Specifications,or with other methods as maypermitted under the Special Provisions.
<br /> Cast-in-place concrete pipe,vitrified clay pipe,spiral welded steel pipe,or corrugated alum mum alloy pipe shalt not be installed within the County mad
<br /> _ghts-of-way unless.specifically so stated in the Special Provisions,and only under the conditions as provided.
<br /> D. All structures to be buried within the County road rights-of-way shall beset at such elevau'o:as as to allow minimum coverage of thirty inches(30'�to
<br /> ie-centerline 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 /> Blow 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 /> icludei Futrue surface elevations sbaU be.anticipated"as nearly as possible and structure elevatieus shall be established.for fatnre4gsbnrntaccordiagly.
<br /> The County hereby reserves the right to specify in the Special Provisions the gage and surface treatment of any galvanized couiigaiied metal pipe that is to
<br /> ie installed
<br /> All longitudinal atility facilities are to be established(and dimensioned on sketches)from surveyed centerliue-of rbad-right-of-Fvay,not from fight-of-way
<br /> :)order)fines"
<br /> REPAIRS OF THE COUNTY RIGHT-OF-WAY:
<br /> All excavations shall be backfilled and compacted immediately aftez work therein has been compitted-
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<br /> Treaches 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 the Special Provisions,backfill shall.be placed and mechanically compacted in such a that at the relative
<br /> impaction throughout the entire fill within the County road right-o€--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 /> 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
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<br /> e backfill material shall be utilized only where spexif.cally so stated on the face of the pm-mmit It shall be compacted by means of a high-frequency
<br /> itc-rnal.vibrator,tri.: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 site(s),or at other ground(s)occupied by materials and/or equipment,shall be
<br /> ztored-immediately upon backfilling of the excavation to the or 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 result of construction operations,shall be replaced within-
<br /> NE
<br /> ithinNE WEEK following the backfilling of excavation,weather permitting, Arith 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 iuches(6")of aggr agate base,both as-specified below .
<br /> 1.Asphalt Concrete:Combined mineral aggregate shall conform to the quality and gradation requirements for Type'T"one-half(1/2")maxim=
<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 Engiater.-Placememt 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 /> tnstauction areas left in a neat and presentable coadition(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 dirxte d by the Engineer.-
<br /> Upon request by the County,any settlement sagging of surface,or cracking of pavement shall be repaired immediately by and at the sole expense of, .
<br /> it Permittee for a period of one year following acceptance of the work.
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