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I
<br /> GENERAL
<br /> GOVERNiNG INSTALLATION OF SUBSURFACE STRUCTURES AND
<br /> NES WITHIN COUNTY ROAD RIGHTS-0 -
<br /> IL
<br /> �_._. F WAY
<br /> P J$LiCiCONVENI NC Akin— -------___---------- ----------------_ �—
<br /> A Befolf Obstructing an ~-- r
<br /> 9 y private driveway entrance or County road traveled way with a trench, spoil bank, equipment or other barrier permitted for any
<br /> olonged period of time,the Permittee shall notify the known users of the respective thoroughfare (s)involved, and shall provide access for vehi '
<br /> adestnan traffic to and from the road
<br /> 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
<br /> and
<br /> maintained open to public traffic during working hours in a smooth and safe riding condition (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 will he '
<br /> persons and lot agencies of the time, the penod of closure,and the detour route at least twenty-four(24)hours prior to said road closure
<br /> a11The County of san Joaquin Public Works Department
<br /> bIlThe County of San Joaquin Sheriff's Office d The local fire district
<br /> C 4The local postal service a The local school district
<br /> f The ol residents Involved
<br /> B Should hazardous conditions relative to the lnstaliabon operations warrant flagmen,asmany capable flagmen as may be necessary shall beroved
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<br /> r the Perm rttee and stationed in advance of work to warn and direct traffic
<br /> C Ughts,lsigns and barricades shall be fumished,erected and maintained by the Permittee for the adequate warning and convenience of the public w
<br /> ith
<br /> irticularattentlon to be taken In this regard after dark
<br /> 1] 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 /> oved '
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<br /> frorn the jab site dally
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<br /> STRUCTURES
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<br /> A.Walls of structure shall be such quality and strength that they will resist all pressures and will not crack or be deformed In such a way '
<br /> zard or maintenance problem at any time Therefore,the minimum structural requirements for concrete pipe placed under County road rights-of-way shaft
<br /> nform to the following American Association of State Highway and Transportation Officials (AASHTO)designations as to create a
<br /> 1 For concrete pipe up to and including thirty-three inches(33`'}inside diameter,extra strength concrete pipe conforming to AASHTO Designation
<br /> M 170M
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<br /> 2 For concrete pipe thirty-stir Inches(36"}inside diameter and larger, reinforced concrete pipe conforming to AASHTO Designation M 170M,Class Ill
<br /> 3 Plastic pipe conforming to AASKTO Designabon M 294
<br /> B All concrete pipe joints within County road rights-Of-way shall be sealed against leakage and/or Infiltradon with rubber gaskets in conformance with
<br /> ct[on 65-106 of the California Standard Specifications,or with other methods as may be permitted lender the Special Provisions '
<br /> C Cast-In-place concrete pipe,vitrified day pipe,spiral welded steel pipe, or corrugated aluminum alloy pipe shall not be installed within the County road
<br /> hts-of-way unless specifically so stated In the Special Provisions,and only under the conditions as provided
<br /> D All structures to be buned within the County road rights-of-way shall be set at such elevabons as to allow minimum coverage&of thirty Inches(3o')at
<br /> I centedine'of roadways and twelve Inches(12")at the bottoms of borrow ditches each side of the roadways The depths of structures shall be established"
<br /> taw a flat plane extending across the nghts-af-way,no part of which shalt extend above the elevations stated above manholes,lampholes,valves,etc,not
<br /> luded Future surface elevations shall be anticipated as nearly as possible and structure elevations shall be established for future adjustment accordingly
<br /> The Ca le"d
<br /> E pean the Specie!Provisions the gage and surface hereby reserves the right to sfy! e tree#merit of an
<br /> o be instatied y galvanized corrugated metal p'
<br /> e
<br /> All IonglWdinal utility facilities are to be established(and dimensioned on sketches)from surveyed centerline of road right-ot--way, not from right-or-way
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<br /> ,rder)lines
<br /> R PA! OFT C UN1Y IGHT F-WAY
<br /> A All excavations shall be backfilled and compacted immediately after work therein has ben completed
<br /> 8 Trenches
<br /> no Engineer 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
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<br /> C Unless otherwise permitted under the Special Provisions, backfill shall be placed and mechanically compacted in such a manner that the relative
<br /> 'pac#ion throughout the entire fill within the County road right-Of-way shall conform to the percentages of compaction as shown on the Trench De '
<br /> D Backfill rmatenal shall be placed in horizontai uniform layers not to exceed in thickness, before compaction, 0 67 foot In the bedding region,one foot
<br /> 're 90%compaction is required,and two feet where 80%compaction Is required tad
<br /> No portion of the excavation(s)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
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<br /> rnal vibrator,the compactor to be of a size and type approved by the Engineer Points of compaction shall be not greater than 18"centers and to the full
<br /> th of the hfL,i
<br /> 73 All pavements curbs gutters,sldewalks,'borrow ditches, pipes,bad walls,road signs, trees,shrubbery, and/or other permanent road facilities
<br /> aired by or is a result of construe#tori operations a{the construction site(s),or at other ground(s)occupied by materials andlor equipment,shall be
<br /> Dred immediately upon backfilling of the excavation to the Original rades and cross sections and to a condition as Dori as,or better than existing
<br /> onstruction j� g g
<br /> I Ail surfacing materials of roadways and driveway a � prior
<br /> =WEEK following the backfilling of excavation weather permitting,with compacted layers of surfacing materials at least as thick as the existing,and no '
<br /> y pproaches cut or damaged by or as a result of construction operations,shall be replaced within
<br /> 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"
<br /> aggregate,coarse or medium gradation, as specifieone-half inch(%")maximum
<br /> d in Section 39 of the California Standard Specifications The bituone-ha binder to be mixed with
<br /> minous
<br /> mineral aggregate shall be paving asphalt having an AR viscosity grade of 4000, unless otherwise directed by the Engineer Placement of asphalt '
<br /> concrete surfacing shall cenfofm 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(314 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-wayunsightly and detrimental dirtd
<br /> , all , dust and/or debris shall be removed and the
<br /> tructron areas telt in a neat and presentable conddian(s} '
<br /> 1 if necessary,County road traveled way and driveway
<br /> 2 Driveway approaches and field entrance pavements damaged by equl pm nt or spbe washedoil banks shall be repaired as directed by the Engineer
<br /> move dirt and dust
<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 /> 'e 'ttee form Period of ane year following acceptance of the work
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