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GENERAL
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<br /> ?UBLIC CONVENIENCE AND SAFETY:
<br /> A Before obstructing any private driveway enhance or County road traveled way with a trench,spoil bank,equipment or other barrier permitted far any
<br /> prolonged period of time,the Permittee shall notify the known users of the respective thoroughfares)'involved,and shall provide access for vehicular and
<br /> p edes`.rian traffic to and from the road
<br /> 1 Unless otherwise pexmitbtd,all work shall be conducted in such a manner tiszt no less than one Ione of the existing County road traveled wap will be
<br /> maintained open to public traffic during working hours in a smooth and safe riding coaditioa(s).Two lanes shallbe open after working hours.
<br /> 2. In cases where road closure is permitted,the permission to close the road will be,ranted under the condition that the Permittee notify-the following
<br /> persons and/or as neies 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 PublicWorks Department d.Tbc local fire distact
<br /> b.The County of San Joaquin Sheriffs Office e_The local school district
<br /> a The local postal service - f.The local.residents involved
<br /> B. Should hazardous conditions relative to the installation operations warrant flagmen,as many capable flagman as may be necessary shall be provided
<br /> Dy the Permittee and stationed in advance of work to warn and direct traffic.
<br /> a Lights,signs and barricades shall be furnished,erected and maintained by the Permittee for the adequate warring aad convenience of the public,with
<br /> aazticalar 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,sha11 be
<br /> -emoved from the job site daily.
<br /> STRUCTURES:
<br /> i-- Walls of structures shall be such quality and strength that they will resist all pressures and will not crack or be deformed_in such a way as to creatL a
<br /> azard or maintenance problem at any time.Therefore,the minimum structural requirements for concrete pipe placed under County road rights-of-way shall
<br /> oaform to the following American Association of State Highway and Transportation Officials(AASEITO)designations.
<br /> 1.For concrete pipe up to and including thirty-three inches(33`')inside drametrs,extra strength concrete pipe conforming to AASHTO-Desigaatioa M 170M-
<br /> 2.For concrete pipe thirty-six inches(36")inside diameter and Larger,reinforcer)concrete pipe confo,-ming to AASHTO designation M 170M Class IIL
<br /> 3:Plastic pipe coafornYing to AASHTO Designation.M 294.
<br /> All concrete pipe joints within County road rights-of-way shall be sealed ag�ainst leakage and/or infiltration with rubber gasket in conformance with
<br /> ectioa:65-1:06 of the California Standard Specifications,or with other methods as may permitted under the Special Provisions.
<br /> Cast-in-pla:ce concrete pipe,vitrified clap pipe,spiral welded steel pipe,or corivgated aluminum alloy pip8 shall aot bee installed within the County road
<br /> fights-of-way unless.specifically so stated in the Special Provision-%and only under the conditions as provides
<br /> D. All structures to be buried within the County road rights-of-way shall be set at such elevations as to allow minimum coverage of thirty inches(30'�to
<br /> Le centerline of the roadways and twelve inches(12")at the bottoms of borrow ditches each side of the roadways.The deptbs of structures shall be established
<br /> Blow a flat plane extending across the rights-of-wap,no part of which shall extend above the elevations stated above;manholes,lampholes,valves.etc.not
<br /> icluded Future surface elevations shall be.andcipated.as nearly as possible and slrvcture elevatieps shall be established.forfutnm idinsi mentaccozdingly.
<br /> The Couaty hereby reserves tine right to specify in the Special Provisions the gage and surface treatment of any galvanized cnYrsT�t13 me aI pipe that is to
<br /> )e installed
<br /> All langitudrnal atility facilities are to be established(and dimensioned on sketches)from surveyed centcrline-of road-right-0f4uny,not from right-of-way
<br /> iorder)fines..
<br /> REPAIRS OF THE COUNTY RIG%iT-OFLwAY:
<br /> All excavations shalt be backfilled and compacted immrriiately after work therein has been completed
<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 permitn-d
<br /> y the-Engineer.
<br /> - Unless oacrwise permitted under the Special Provisions,backfll shall be placed and mechanically compacted in such a manner that the relative
<br /> :)in throughout the entire fill within the County road right-of-way shall conform to the percentages of compaction as shown on the Treach Detail-
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<br /> etail. Backfill material shall be placed in horizontal uniform laye s not to exceed is thickness,before compaction,0.67 foot in the beddmg region,one foot
<br /> here 90%compaction is required,and two feet where 80%a compaction is required. .
<br /> No portion of the excavation(s)shall be compacted by ponding or jetting unless a maintenance bond is provided.
<br /> Crravel backfill materiere al shall be utilized only whspecifically 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 Engineer..Points of compaction shall be not greater than 18"centers and to the full
<br /> spdh of the lift
<br /> 'r.. All pavements,curbs,gutters,sidewalks,borrow ditches,pipes,headwalls,road signs,trees,shrubbery,and/or other permanent road facilities
<br /> apaired by or as a result of construction operations at the construction srte(s),or at other ground(s)occupied by materials and/or equipment shall be
<br /> storedi mnedrately upon backE Miag of the excavation to the original grades and cross sections,and to a condition as good as,or better than ezisting prior
<br /> construction-
<br /> L kH surfacing materials of roadways and driveway approaches cut or damaged by or as a result of constivctioa operations,shall be replaced within
<br /> N-E WEEK following the backfilling of excavation,weather pe=ttin_with compacted layers.of surfacing materials at least as thick as the em sting and no
<br /> ss thah two inches(2")of asphalt concrete over six inches(6-)of aggregate base,both as-specified below-
<br /> 1.
<br /> elow_i.Asphalt Concrete:Combined mineral aggregate shall conform to the duality and gradation requirements for Type`B"one-half(112")maximum
<br /> aggregate,coarse or medium gradation,as specified in Section 39 of the California Standard Specifications.The bituminous binder To be mined with
<br /> mineral aggregate shall be paving asphalt having(Grade PG 64-10),unless otherwise directed by the E aoineer.-Piacement of asphalt
<br /> concrete surfacing shall conform to the applicable provisions of Section 39 of the California Standard Specifications.
<br /> 2.Aggregate$ase:Combined mineral aggreoggates shall conform to the quality and the grading for three-quarter inch(3/4")maximum size aggregate
<br /> Class 2 Aggregate Basc specified-in Section 26 of the Caluomia Standard Specifications
<br /> Before acceptance of repairs to the County road rights-of-way,all unsightly and detrimental dirt,dust and/or debris shall be removed and the
<br /> rastruction areas left in a neat and presentable conditioa(s).
<br /> L If necessary,County road traveled way and driveway pavements shall be washed with water to remove dirt aad dust
<br /> 2.Driveway approaches and field enhance pavements damaged by equipment or spoil banks shall be repaired as directed by the Farginecr.-
<br /> Upoa request by the County,any settlement sagging-of surface,or cracking of pavement shall be repaired immediately by and at the sole expense o€.,
<br /> ie'P=rrr_P for a period of one year following acceptance of the work.
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