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GENERAL PROWSIGNS--' 77 7 Til
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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 thoroughfare(S)involved,gad shall provide access for vehicular and
<br /> p edestrian traffic to and aurathe road-
<br /> 1 Unless otherwise,permitted,all work shall be conducted in such a manner that no Iess than one Lane of the existing County road traveled way will be
<br /> mainfaineii open to public traMe duriag working hours in a smooth and safe riding cond'itioa(s).Two lanes shall be open a1`t--r working hours.
<br /> 2. In uses where road closure is permitted,the permission to close the road will be�raated under the condition that the Permitter 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 Shcriff s Office e_The local school district
<br /> c.The local postal service - f.The local residents involved
<br /> 3. Should hazardous conditions relative to the installation operations warrant flagmmen,as many capable rlagmea as may be necessary shall b.provided
<br /> ,y t ht permittee and stationed is advance of work to warn and direct traffic.
<br /> Lights,signs and barricades shall be furnished,erected and maintained by the Permiftee for the adequate warning and coaveuience of the public,With
<br /> arlicuiar attention to be taken in this regard after dark
<br /> ). Any excess dirt and/or debris which might be a hazard to eiHher automobile or pedestrian traffic,uncontrollable by lights,signs and barricades,s"na11 be
<br /> emoveti from the job site daily.
<br /> STRUCTURES:
<br /> Walls of structures shall be such quality aad strength that they will resist all pressures and will not crack or be deformed,u.such a way'as to create a.
<br /> yard or maintenance problem at any time.Therefore,the minimum structural requirements for concrete pipe placed under County mad rights-0f--way shall
<br /> inform to the following American Association of State Ifighway and Transportatioa Officials(AASfM)deSic'nati6ns.
<br /> 1.For concrete pipe up to and including thirty three inches(33`')inside diameter,extra strength concrete pipe conforming to-AAS HTO-Designation M 170M
<br /> 2.Por concretes pipe thirty-six inches(36'�inside diameter and larger,reinforced coacrbte pipe conforming to A ASHTO designation M 170M Class UL
<br /> 3:Plastic pipe conforizIIag to AASHTO Designation M 294.
<br /> All concrete pipe joints within County road rights-of-way shall be sealed against leakage and/or infilimalion with ruiboer gasket in conformance with
<br /> ctioa:65-1:06 of the California Standard Specifications,or with other methods as may permitted under the Special Provisions.
<br /> Cast-in-place concrete pipe,vitrifed clay pipe,spinal welded steel pipe,or coma tell alumhum alloy Pipe shall not lie installed within the County road
<br /> hts-0f-way unless.specifically so stated in the Special Provisions,and only under the conditions as provided.
<br /> All structures to be buried within the County road rights-of-way shall beset at such elevations as to allow mini-nm coverage of thirty inches(30")to
<br /> cxntartine of fire roadways and twelve inches(12")at the bottoms of borrow ditches each side of the roadways.The depths of structures shall be established
<br /> low a flat plane exteadiag across the rights-of-wap,no part of which shall extend above the elevations stated above;manholes,brmpboIes,valves.eta not
<br /> :laded:Future surface-elevations shall bc•aadcipated.as nearly as possible and structure elevatieas shall be established-forf hare-ad nst=nt accozdiuigiy-
<br /> The County hereby reserves the right to specify is the Special Piovisions time gage and.surface treatment of aay galvanized co*UPted metal pipe that is to
<br /> :installed • .
<br /> All l6agitu final atiW facilities are to be established(and dimensioned on sket--bes)from surveyed-centerline'of road might of-way.,not-from Hgbt-of-way
<br /> )rder)lines.'
<br /> EPAIRS OFTHE COUNTY RIGHT-OR-WAY:
<br /> All excavations shall be backfilled and compacted immediately after work therein has been completed-
<br /> Trenches shall not be left open farther than 300 feet in advance of pipe.laying operations,or 240 feet to time rear thereof,unless otherwise pzrmitted
<br /> the Engineer. '
<br /> Unlms othtrwise permitted undeathe Special Provisions,backfill shall be placed and-mechanically compacted in Sachs manner that time relative
<br /> apaction throughout the entire fill within the County road ria -of-way shall conform to the percentages of compaction as shown on the Treach Detail-
<br /> Backfill
<br /> etailBackfill material shall be placed in horizontal uniform layers not to exceed in thickness,before compaction,0.67 foot is the bedding region,one foot
<br /> ere 90%compaction is raquired,and two feet where 80%compaction is require& .
<br /> .No portion of the excavation(s)shall be compacted by ponding or jetting unless a maintenance bond is provided.
<br /> Crra.vel backfill material shall be utilized only where specifically so stated oa the face of the permit It shall be compacted by means of a bigh-frequency
<br /> xaal.vibrator,the compactor to be a size and type approved by the Eagineer..Poi=of compaction shall be not greater than 18"centers and to the full
<br /> th Of flue filth
<br /> All pavements,curbs,gutters,sidewalks,borrow ditches,pipes,head walls,road signs,trees,shrubbery,and/or other permanent road facilities
<br /> wired by or as a result of construction operations at the construction site(s),or at other ground(s)occupied by materials and/or equipment,sball be
<br /> oredimmediatdy upon backffaing of the excavation to the original grades and cross sections,and to a condition as good as,or better than existing prior
<br /> onstruction.
<br /> All sm{aciag materials of roadways and driveway approaches cut or damaged by or as a result of consnu ion operations,shall be rephced within
<br /> E WEEK following the backfilling of excavation,weather permitting,with compacted layers of surfacing materials at least as thick as the existing,aad no
<br /> thah two inches(2")of asphalt concrete over six iacbes(6')of aggreagate base,boor as-specified below-
<br /> 1.Asphalt Concrete:Combined miaeral aggregate shall confo>m to the quality and gradation requirements for Type"B"one-half(1/2")marim,m,
<br /> aggregate,coarse or medium gradaf on,as specified in Section 39 of the California Standard Specifications.The bituminous binder to be-mixed with
<br /> miners[aggregate shall be paving asphalt having(Grade PG 64-10),unless odhervrise directed by fhe Engincer.•Placemeat of asphalt
<br /> concrete surfacing shall conform to time applicable provisions of Section 39 of time 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 specified-in Section 26 of the Caluomi.a Standard Specifications
<br /> B efore acceptance of repairs to the County road rights-of-way,all unsightly and detfimeatal dirt,dust and/or debris shall be removed and the-
<br /> ,auction
<br /> ime;traction areas left in a neat and presentable condition(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 entrance pavemoats damaged by equipment or spoil banks shall be repaired as directed by the Eagiacm-
<br /> Upon.request by the County,any s.-ttlem a sagging of surface,or cracking of pavement shall be repaired immediately by and at the sole expense b€., -
<br /> perm,tttee for a period of one year following acceptance of the work.
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