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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 thoroughfares)involved,and sball provide access for vehicular and
<br /> pedestrian traffic to and from the road
<br /> 1 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 condtioa(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 undrs the coudrtioa that the Permittee notify-tlme 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 Deparimcut d.Tbc local am 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 reladve to the instillation operations warrant flagmen,as many capable Th ginan as may be necessary shall be.provided
<br /> Dy the Permittee and stadoned 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 warning and convenience of the public,with
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<br /> ?articular 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 traffi4 uncontrollable by lights,signs and barricades,spall be
<br /> -ercoved from the job site daily.
<br /> STRUCTURES:
<br /> A; Walls of structures shall be such quality and strength that they will resist all pressures mad will not crack or be deformed.in such a way"as to create a
<br /> a_zard or maintenance problem at any time.Therefore,the minimnrr 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)des gra tiaras.
<br /> 1.For concrete pipe up to and including unity-three inches(33")inside diameter,extra strength concrete pipe conforming to'AASHTO-Designation M 170ivL
<br /> 2.Por concrete pipe thirty-six
<br /> inches(36")inside diameter and larger,reinforced concrete pipe conforming to AASHTO designation M 170M Class III.
<br /> 3:Plastic pipe conforming to AASHIO Designation M 294.
<br /> All concrete pipe j oints within County road rights-of-way shall be sealed against leakage and/or infiltration with rubber gasket in conformance with
<br /> ectiow65-1:06 of the California Standard Specifications,or with oilier methods as maypermitted under the Special Provisions.
<br /> Cast-in-place concrete pipe,vitrified clay pipe,spiral welded steel pipe,or corrugated aluminum alloy pipe shall not lie installed within the County road
<br /> fights-of-way anless.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 miniTnnm coverage of thirty inches(30")to
<br /> it,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 /> elow a flat plane exteading across the rights-of-way,no part of which shall extend above the elevations stated above;manholes,lampholes,valves.etc.not
<br /> iclude&Future surface-elevations shall be.anticipated.as nearly as possible and st=turc elevations shall be established.for fwzrre adjtzstmentacooidiagly.
<br /> The County baraby reserves the right to specify in the Special Provisions the gage and.surface tretinent of any galvanized-roangatad metal pipe that is to
<br /> ie installed .. .
<br /> All longitudinal utility facilities are to be established(and dimensioned on sketches)from surveyed centerline-of road:right-of-way,not from Hgbt-of-way
<br /> corder)lines.'
<br /> REPAIRS OF THE COUNTY RI(YiT-OF-WAY:
<br /> All excavations shall be backfilled and compacted immediately after work there-has been compieted.
<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 permitttd
<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 /> 5mpaction throughout the entire fill within the County road right-of-way shall conform to the perotatages of compaction as shown on the Treach 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 90%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 on the face of the permit It shall be compacted by means of a high-frequency
<br /> iternal.vibrator,the compactor to be a size and type approved by the Eagmeer..PointJ of compaction shall be not greater than 18"centers and to the full
<br /> epth of the lift
<br /> 'r. 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 die construction site(s),or at other ground(s)occupied by materials and/or equipment,shall be
<br /> s Dred inmmediately 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 cif surfacing materials at least as thick as the existing,and no
<br /> ss shah two iDc:h=(2")of asphalt concrete over six inches(6-)of aggrtgate base,both as.spedfied below.
<br /> 1.Asphalt Concrete:Combined mineral aggregate shall conform to the quality and gradation requirements for Type`B"one-half(1/2")mar mum
<br /> aggregate,coarse or medium gradation,as specified in Section 39 of the California Standard Specifications.The bitzimtaous binder to be mixed with
<br /> mineral aggregate shall be paving asphalt having(Grade PG 64-10),unless otherwise directed by the Eagineer.Placement of asphalt
<br /> concreta 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 speeifiedin Section 26 of the California Standard Specifications
<br /> Before acceptance of repairs to the County road rights-of-way,all unsightly and deterental dirt,dust and/or debris shall be removed and the
<br /> mst1 action areas left in a neat and presentable conditioa(s).
<br /> L Tf necessary,County road traveled way and driveway pavements shall be washed with water to remove dirt and dust
<br /> 2.Driveway approaches and field eatma=pavements damaged by equipment or spoil banks shall be repaired as directed by the Engineer._
<br /> Upon request by the,County,any settlement of surface,or cracking of pavement shall be repaired iTnmecliately by and at the sole expense Of,
<br /> it Permittee for a period of oae year following acceptance of the worms
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