|
GENERAL PROVISIONS
<br /> GOVERNING INSTALLATION OF SUBSURFACE STRUCTURES AND PIPELINES WITHIN COUNTY ROAD RIGHTS-OF-WAY
<br /> PUBLIC CONVENIENCE AND SAFETY:
<br /> A. Before obstructing any private driveway entrance or County mad traveled way With 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 thorougbfam(s)involved,and shall provide access for vehicular and
<br /> pedestrian traffic to and from the road.
<br /> I Unless otherwise pemrutted,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 lo public traffic during working hours in a smooth and safe riding co elition(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 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 harardous conditions relative to the installation operations warrant flaguun.as many capable flagmen as may be necessary shall be provided
<br /> by the Permiftee and stationed in advance of work to wam and direct traffic.
<br /> C. Lights,signs and barricades shall be furnished,erected and maintained by the Permitter for the adequate warning and convenience of the public,with
<br /> particular attention to be taken in this regard after dark.
<br /> D. Any excess dirt and/or debris which[Dight be a hazard to either automobile or pedestrian traffic,uncontrollable by lights,signs and barricades,shall be
<br /> removed from the job site daily.
<br /> IG STRUCTURES:
<br /> A. Walls of structures shag be such quality and strength that they will resist all pressures and will not crack or be deformed in such a way as m ueate a
<br /> hazard or maintenance problem at any time.Therefore,the minimum smmnual requirements for concrete pipe placed under County road rights-of way shag
<br /> conform to the following American Association of Stare flighway and Transportation Officials(AASHTO)designations.
<br /> 1.For concrete pipe up to and including thirty-three inches(33")inside diameter,extra strength concrete pipe conforming to AASHTO Designation M 170M.
<br /> 2.For concrete pipe thirty-six mcbei(36")inside diameter and larger,reinforced concrete pipe confonrung to AASFfr0 designation M 170M Class UL
<br /> 3-.Plastic pipe conforming to AASf{TO Designation M 294.
<br /> 8..-- Alleoncrere pipejoints within County road rights-of-way shall be sealed against leakage and/or infiltration with rubber gasket in conformance with
<br /> Section65.1106 of the California Standard Specifications,or with other methods as may permitted under the Special Provisions.
<br /> C. Cast-in-place concrete pipe,vitrified clay pipe.spiral welded steel pipe,or corrugated aluminum alloy pipe shall act be installed within the County road
<br /> rights-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 shag be set at such elevations as mallow miniruum coverage of thirty inches(30")to
<br /> the cenraline 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 /> below a flat plane extending across the rightsof-way,no pan of which shag extend above the elevations stated above;manholes,Umphol-s,valves.etc.not
<br /> included Future surface elevations shall be anticipatedas nearly as possible and structure elevations shag be established for furore adjustmentaccordiagly.
<br /> E. The County hereby reserves the right to specify in the Special Provisions the gage and surface treatment of any galvanized conugat ed metal pipe that is to
<br /> be installed
<br /> F. All longitudinal utility facilities are to be established(and dimensioned on sketches)from surveyed cenrugne of road right-of-way,not from right-of-way
<br /> (border)fines.
<br /> I.REPAMS OF THE COUNTY RIGHT-OF-WAY:
<br /> A. Ali excavations shag be backfilled and compacted immediately after work therein has been completed.
<br /> B. Trenches shall not be left open farmer than 300 feel in advance of pipe laying operations,or 200 feet to the rear thereof,unless otherwise pertained
<br /> by the Engincer.
<br /> G Unless otherwise permitted under the Special Provisions,backfill shall be placed and mechanically compacted in such a marmer that the relative
<br /> compaction tbroughont the enure fill within the County road right-of-way shag conform to the percentages of compaction as shown on the Trench Detail
<br /> D. Backfill material shag be placed in horizontal uniform layers not to exceed in thiclmess,before compaction,0.67 foot in the bedding region,ane foot
<br /> where 90%compaction is required,and two feet where 80%compaction is required-
<br /> E.
<br /> equiredE. No portion of the excavation(s)shag be compacted by ponding orjetting unless a maintenance bond is provided-
<br /> F.
<br /> rovidedF. Orave(backfill material shag be utilized only where specifically so stated on the face of the permit It shall be compacted by means of a high-frequoncy
<br /> internal vibrator,the compacta to be a sive and type approved by the Engineer.Points of compaction shall be not greater than I S"centers and to the fug
<br /> depth of the lift -
<br /> G. All pavements,curbs,gutters,sidewalks,borrow ditches,pipes,head walls,road signs,trees,shrubbery,and/or other permanent road facilities
<br /> impaired by or as a result of construction operations at the construction sile(s),or at other ground(s)occupied by materials aud/or equipment,shall be
<br /> restored immediately upon backfi Wag of the excavation to the original grades and cross sections,and In a condition as good as,or better Oen existing prim
<br /> to coastructio,
<br /> K All surfacing materials of roadways and driveway approaches cut or damaged by or as a result of construction operations,shall be replaced within
<br /> ONE WEEK following the Backfilling of excavatio,weather perautting,with compacted layers of surfacing materials at least as thick as the existing,and no
<br /> less than two inches(T')of asphalt concrete over six inches(6")of aggregate base,both as.specified below.
<br /> L Asphalt Concrete:Combined mineral aggregate shall conform to the quality and gradation requirements for Type"B"one-half(W")maximum
<br /> aggregate,coarse or medium gradation,as specified in Section 39 of the California Standard Specifications.The bimminous binder to be mixed with
<br /> mineral aggregate shall be paving asphalt having(Grade PG 64-10),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 numeral 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 /> L Before acceptance of repairs to the Canty road rights-of-way,all unsightly and detrimental dirt,dust and/or debris shall be removed and the
<br /> construction areas left in a neat and preseatable eoudition(s).
<br /> 1.If necessary,County road traveled way and driveway pavemwts shall be washed with wafer in remove dirt and dust
<br /> 2.Driveway approaches and field entnuee pavements damaged by equipment or spoil banks shall be repaired as directed by the Engineer-
<br /> J. Upon request by the Conary,any semement sagging of surface,or cracking of pavement shall be repaired immediately by and at the sole expense of,
<br /> the Permittee for a period of Doe year following acceptance of the work.
<br /> }
<br /> 1
<br />
|