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• GENERAL PROVISIONS-'
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<br /> 'UBLIC CONVENIENCE AN_ 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 /> prolongbd period of time, the,Permittee shall notify the known users of the respective thoroughfares)involved,and shall provide access for vehicular and
<br /> pedestrian traffic to and from the mad.
<br /> I Unless otherwise permitsed all work shall be conducted in such a manner that no less than one I t o€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 granted 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 mai closure.
<br /> a Zile County of San Joaquin Public Works Deparb=at 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. Sbould hazardous conditions relative to die instailati oa operations warrant flagmen,as many capable f agrata as may be necessary shall be provided
<br /> ;y the Permittee and stationed in advance of work to wam 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 /> Darticular sffention 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,snail be
<br /> -=moved from the job site daily.
<br /> STRUCTURES: -
<br /> A' Walls of structures shallbe such quality and streagth that they will resist all pressures and will not crack or be deformed.ia such a way as to create a
<br /> azard or maintenance problem at any time.Therefore,the minimum st uctaral requirements for concrete pipe placed under County mad rights-of-way shall
<br /> onform to the following American Association of State Highway.and Transportation. Officials(A.ASHTO)designations.
<br /> 1.For concrete pipe up to and including thirty-three inches(33")inside diameter,extra strength concrete pipe conforming to-AAkSHTO Designation M 170NL
<br /> 2.For concrete pipe thirty-six inches(36")inside diameter and larger,reinfomed concrete pipe conforming to AASHT'D designation M 170M Class III.
<br /> 3`.Plastic pipe conforming to AASHTO Designation M 294.
<br /> All concrete pipe j oiats within County road rights-of-way shall be sealed against leakage and/or infiltration with rubber gasket in conformance with
<br /> tctfon�66-1;06 of the California Standard Specifications,or with other methods as maypeimitred under the Special Provisions.
<br /> Cast-in-place concrete pipe,vitrified clay pipe,spinal welded steel pipe,or corrugated aluminum alloy shaI1 not be installed within the County road
<br /> Lts-ofway 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 be set at such elevations as to allow minimum coverage of thirty inches(30'�to
<br /> le ceuteriine 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-wap,no part of which shall extend above the elevations stated above;manholes,tampholes,valves.etc.not
<br /> iduded:Future surface elevations shall be.anticipated.as nearly as possible and sirnctvre elevations shall be established.for fumreaalustmmtaccordinAv.
<br /> 2. The County hereby reserves the right to specify in the Special Provisions the gage and.surface treatment of any galvanized corriin�ated metal pipe that is to
<br /> ie installed
<br /> All longitudinal atility facilities are to be established(and dunensioaed on sketches)from surveyed-centerline-of road right-of4my,not from light-of-way
<br /> corder)lines
<br /> REPAIRS OF THE COUNTY RIGHT-OF-WAY:
<br /> All excavations shall be backfilled and compacted immediately after work therem 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 pzrmitted
<br /> Y the Engineer.
<br /> Unless otherwise permitted under.the Special Provisions,backfill shall be placed za&mechani-Hy 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 /> 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 matntrnance bond is provided_
<br /> Csravel backfill material shall be utilized only where specifically so stated on the face of the permit It shall be compacted by means of a high-frequency
<br /> t--mal_vibrator,the compactor to be a size and type approved by tae Eagineer..Poi=of compaction shall be not greater than 18"centers and to the full
<br /> epth of the EL
<br /> L All pavements,curbs,gutters,sidewalks,borrow ditches,pipes,head walls,road signs,trees,sbnibbcry,and/or other permanent mad facilities
<br /> apaired 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 /> storediammediately upon back-filing of the excavation to the original grades and cross sections,and to a condition as good as,or better than ousting 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 WEEK following the.backfill ng of excavation,weather permitting,with compacted layers.of surfacing materials ai least as thick as the e:slog,and ao
<br /> ss than two inchesp")of asphalt concrete over six inches(6")of aggr nggate base,both as-specified below.
<br /> i.Asphalt Concrete:Combined mineral aggregate shall conform to the quality and gradation re uiremtrts for Type`B"one-half(1/2")ma-dmuta
<br /> aggregate,coarse or medium gradation,as specified is Section 39 of the California Standard Specidcarions.The bituminous binder To be mixed with
<br /> mineral aggregate shall be paving asphzhhaviag(Grade PG 64-10),unless otherwise directed by the Engineer.Placement of asphalt
<br /> coacret°,surfacing shall conform to the applicable provisions of Section 39 of the California Standard Specifications.
<br /> 2.Aggt ogatc 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 specifiedin Section 26 of the Cali oraia Standard Specifications
<br /> Before acceptance of repairs to the County read rights-of-way,all unsightly and detmacatal du-t,dust and/or debris shall be removed and the
<br /> s-astrucrion areas left in a neat and presentable coadmoa(s).
<br /> L 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 entrant:,pavements damaged by equipment or spoil banks shall be repaired as directed by the Enginem._
<br /> Upon request by the County,any settlement sagging of surface,or cra^.kiag of pavement shall be repaired immediately by and at the sole txxpane o€.,
<br /> Le-Pt.-mitfee for a period of one year following acceptance of the work.
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