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GENERAL PROVISIONS
<br /> GOVERNING INSTAL
<br /> -^-�� LATION OF SUBSURFACE STRUCTURES AND PIPELINES WITHIN COUNTY ROAD RIGHTS-OF-WAY
<br /> i�
<br /> PUBLIC CONVENIENCE AN€1 SAFETY
<br /> X Before obstructing any private driveway entrance or County road traveled way with a trench, spoil bank, equipment or other barrier
<br /> ittd for an
<br /> olonged penod of time,the Permittee shall notify the known users of the respective thoroughfare(s)Involved, and shall provide access p€ornvehie ular and 1
<br /> ;destnan 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 smaeth and safe riding condition(s) Two lanes shall be open afts;r working hours
<br /> 2 In cases where road closure is permitted, the permission to close the road will be granted under the condition wing
<br /> that the Permittee notify the folio
<br /> '
<br /> -four(24) hours prior to said road closure
<br /> persons and for agencies of the time, the penod of closure,and the detour route at least twenty
<br /> a The County of San Joaquin Public Works Department d The local Ire district
<br /> b The County of San Joaquin Sheriff's Office
<br /> c The local postal service a The Iota!school district '
<br /> f The lata! residents involved
<br /> B Should hazardous candibons relative to the Installation operations warrant flagmen, as many capable flagmen as may be necessary shall be provided
<br /> the Permittee and stationed in advance of work to warn and direct traffic
<br /> C Lights,signs and bantcades shall be furnished,erected and maintained by the Permitteafor the adequate warning and convenience of the public,with
<br /> irticular 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 /> moved from the job site daily
<br /> i,
<br /> STRUCTURES
<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 '
<br /> as to
<br /> xard or maintenance problem at any bme Therefore,the minimum structural requirements for concrete pipe placed under County road rights-of--way shall
<br /> create a
<br /> nform to the following American Association of State Highway and Transportation Officials (AASHTO)designations
<br /> 1 Forconcrete pipe up to and including thirty-three Inches(334)Inside diameter,extra strength concrete pipe conforming to AASHTO Designation '
<br /> M 170M
<br /> 2 Forconcrate pipe thirty-six Inches(36")Inside diameter and larger, reinforced concrete pipe conforming to AASHTO Designation M 170M,
<br /> 3 Plastic pipe conforming to AASHTO Designation M 294 Class [!1
<br /> B All concrete pipe Joints within County road nghts-of-way shall be sealed against leakage and/or Inftitration with rubber gaskets in conformance with I ction 65-1 06 of the California Standard Specifications,orwith other methods as may be permitted under the Special Provisions
<br /> C Cast-in-'face concrete pipe,vitrified clay 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 Ali structures to be buned within the County road rights-of-way shall be set at such elevations as to allow minimum coverages of thirty Inches(301 a
<br /> :centedme of roadways and twelve inches(12")at the bottoms of borrow ditches each side of the roadways The depths of structures shall be establisheIN
<br /> low a flat plane extending across the nghts-of-way,no part of which shall 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 /> E The County hereby reserves the right to specify In the Special Provisions the gage and surface treatment of any galvanized corrugated metal pipe that
<br /> o be The
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<br /> = All longitudinal utility facilities are to be established(and dimensioned on sketches) from surveyed centerline of road right-of-way, not from nght-of-way
<br /> ,rder)Imes III
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<br /> REPAIRS OF T COUNTY €GH7-OF-WAY
<br /> A All excavations shall be backfilled and compacted immediately after work therein has ben completed '
<br /> B 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 /> the Engineer
<br /> C Unless otherwise permitted under the Special Provisions, backfill shall be placed and mechanically compacted In such a manner that the relative '
<br /> vaction 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 /> D 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 /> ,re 90%compaction is required,and two feet where BO%compaction Is required
<br /> No portion of the excavation(s)shall be compacted by ponding
<br /> '
<br /> = ess 2 maintenance bonis provided
<br /> Gravel backrill material shall be utilized only where specifi ally so statted oning theface of the permit Itshall be compacted by means of a high frequency
<br /> mal vibrators,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 lift
<br /> 3 All pavements curbs,gutters,sidewalks,borrow ditches,pipes, head walls, road signs, trees,shrubbery, roa '
<br /> ies
<br /> aired by or as a result of construction operations at the construction site(s), or at other ground(s)occupied y materials and/or equipment shallbeDred immediately 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 /> onstru_tion
<br /> i All surfacing matenals of roadways and driveway approaches cut or damaged by or as a result of construction operations,shall be replaced within
<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 /> than two inehes(2")of asphalt concrete over six Inches(61 of aggregate base, both as specified below
<br /> 1 Asphalt Concrete Combined mineral aggregate shall conform to the quality and gradaban requirements for Type "B"one-half inch ('/:")maximum
<br /> aggregate,coarse or medium gradation,as specified In Section 39 of the California Standard Specifications The bituminous binder to be mixed w:th
<br /> mineraI69gregate shall be paving asphalt having an AR viscosity grade of 4000, unless otherwise directed by the Engineer 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 21Aggregate Base specified in Section 26 of the California Standard Specifications
<br /> Before acceptance of repairs to the County road nghts-of-way, all unsightly and detrimental dirt, dust and/or debris shall be removed and the
<br /> truclton areas left In a neat and presentable condition(s)
<br /> I If necessary,County road traveled way and driveway pavements shall be washed with water to remove dirt and dust
<br /> 2 driveway approaches and Feld entrance pavements damaged by equipment or spoil banks shall be repaired as directed by the Engineer
<br /> Upon request by the County,any settlement,sagging of surface or cracking of pavement shall be repaired immediately to and at the sole expense of '
<br /> 'ermi#tee for a period of one year fallowing acceptance of the work
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