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�7� (�T GENERAL PROVISIONS-' - -
<br /> J vTEI�.i�TurtnJ llYJt 1�T f,.'�1TLVLi OF JUllJUhl L1�..P S RUC MES AND 1IpELlTM1J 1r'TH4iEIN CVi�TTV DQA-1�TQ-HTS,-QT�.'_[j,:AIV
<br /> ?UBLIC CONVEINIENCE AND SAFETY:
<br /> A. Before obstructing any private driveway entrance or County mad traveled way with a trencb,spoil bank equipment or other barrier permitted for 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 edestrian traffic to and from the road
<br /> I Unless otherwise permitted,all work shall be conducted in such a manner that no lest than.one Iane of the existing County road traveled wap will be
<br /> maiaYained open to public traffic during working hours in a smooth and safe riding coaditioa(s).Two lanes shall be open after working hours.
<br /> 2. Tn cases where road closure is permitted,the permission to close the road will be granted under the condition that the Perini gee notify-the following
<br /> persons and/or agencies of the time,the period of closure,and the detour mute at least twenty-font(24)hours prior to said mad closure.
<br /> a The County of San Joaquin Public Works Department d-Tht local fire district
<br /> b.The County of San Joaquin Sheriff s Office e.The local school district
<br /> c.The local postal service . - f The local residents involved
<br /> B. Should hazardous conditions relative to the installztion operations warraht ftaa.`men,as many capable flagmen as may be necessary shall be provided
<br /> ;y the Permittee and stationed in advance of work to warn and direct traffic.
<br /> •„ Light,signs and barricades shall be furnished,erected and maintaineii by the Permittee for the adequate waraing and convenience of the public,with
<br /> particular aftention 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,s'aaIl be
<br /> ,-=,mved from the job site daily.
<br /> STRUCTURES: -
<br /> ..• 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 create 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 /> onform to the following American Associatien of State FPtghway and hansportation Officials(AASHTO)designations.
<br /> 1.For concrete pipe up to and including thirty-three inches(33")inside diameter,extra strength concrete pipe conformingto'AASHTO-Desiumation 1+2170M
<br /> 2.For concrete pipe thirty-six inches(36")inside diameter and larges,reinforced concrete pipe conforming to AASHM designation M 170M Class LII.
<br /> 3:Plastic pipe conforming to AASHTO Designation M 294.
<br /> ATI concrete pipe joints within County road rights-of-way shall be sealed against leakage and/or infiltration with rubber gasket in conformance with
<br /> ectioa:66-I:06 of the California Standard Specifications,or with oiher methods as may'permitted under the Special Provisioas.
<br /> Cast-in p lace concrete pipe vitrified crr
<br /> lay pipe,sp-nal welded steel pipe,or cougated aluminum alloy pipe shall not the installed within the County mad
<br /> ghta-of-way naless.specifically so stated in the Special Provisions,and only under the conditions as provided.
<br /> J. All structures to be buried within the County road rights-of--way shall be set at such elevatioas as to allow rniniTnum coverage of thirty inches(30")to
<br /> re centerline of the roadways and twelve inches(12")at the bottoms of borrow ditches each side of the madways.The depths of struct,,rs shall be established
<br /> slow 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-elevatioas shall be,anticipated.as nearly as possible and strnature elevatieas shall be established.for fuim'eadJtistmentaccordingly
<br /> The County hereby reserves it e right to-specify in the Special Provisions thea ge ��+n+P^*and.surface of any galvanized coseaa ted metal pipe that is to
<br /> e installed
<br /> All longitudinal utility facilities are to be established(and dimensioned on sketches)from surveyedcent-rline of road right of-way,not from ii;ht of-way
<br /> ;order)Imes-'
<br /> ZEPAIRS OF THE COUNTY RICsHT-OF-WAY:
<br /> All excavations shall be backfilled and compacted immediately after work therem has been compieted.
<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 pzrmitted
<br /> t the Engineer.
<br /> Unless otherwise permitted un the Special Provisions,backfrtl shall be placed and mechanically compacted in such a manner that the relative
<br /> mpaction thmaghout the entire fill within the County road right-of-way shall conform to the percentages of compaction as shown on the Trench Detail
<br /> Backfill material shalt be placed in horizontal uniform layers not to exceed in thickness,before compaction,0.67 foot in the bedding region,one foot
<br /> sere 90%compaction is required,and two feet where 80%Compaction is required. .
<br /> No portion of the excavation(s)shall be compacted by ponding or-jetting-unless a maintenance bond is provided.
<br /> Gravel backere fill material shall be utilized only whspecifically so stated on the face of the permit It shalt be compacted by means of ahigh-frequency
<br /> naval.-vibrator,the compactor to be a size and type approved by the Engineer..Point,of compaction shall be.not greater than 18"centers and to the full
<br /> pth of the lift
<br /> . All pavements,curbs,getters,sidewalks,borrow ditches,pipes,head walls,road signs,trees,shrubbery,and/or other permanent road facilities
<br /> paired by or as a result of constriction operations at the construction site(s),or at o`Jser grounds)occupied by materials and/or equipment,shall be
<br /> :toredi=ediately 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 /> construction
<br /> All surfacing materials of roadways and drivewaoperations,shall b
<br /> y approaches cut or damaged by or as a result of construction e replaced within
<br /> 1E WEEK following the backfilling of excavation,weather permitting,with compacted layers of surfacing materials at least as thick as the existing,and-no
<br /> s than two inches(2")of asphalt concrete over six iuchw(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"one-half(1/2")maximum
<br /> aggregate,coarse or medium gradation,as specified in Section 39 of the California Standard Specifications.The bituminous binder to bemixedwith
<br /> mineral aggragate shall be paving asphalt having(Grade PG 64-10),unless otherwise directed by the Enoineer.-Placemeat of asphalt
<br /> concre's surfacing shall conform to the applicable provisions of Section 39 of the California Standard Specifications.
<br /> 2.Aggregate Base:Combined mineral aeggeooaies shall conform to the quality and the grading for three-quarter iar-h(3/4")maximum sir:aggregate-
<br /> Class
<br /> ggregateClass 2 Aggregate Base specified-in Section 26 of the California Standard Spxifications_
<br /> Before acceptance of repairs to the County read oohts-of-way,all unsightly and datzimental dirt,dust and/or debris shall be removed and the
<br /> vstruction areas Ieft is a near and presentable condition(s).
<br /> L If accessary,County mad traveled way and driveway pavements shall be washed with water to remove dirt and dust
<br /> 2.Driveway approaches and field entrance pavements damaged by equipment or spoil banks shall be repaired as detected by the I:riginerr.-
<br /> Llpoa request by the County,any settlement,-Zging of surface,or cracking of pavement shalt be repaired immefrately by and at the sole expense o€-,
<br /> -Permittee for a period of oat year following acceptance of the work. i
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