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GENERAL PRO VISIONS_
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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 thoroughfares)involved,and shall provide access for vehicular and
<br /> p edestrian traffic to and from the road
<br /> 1 Unless otherwise permitbe all work shall be conducted in such a manner that no less than one rant of the existing County road traveled way will be
<br /> maintained open to public traffic during working hours in a smooth and safe riding condition(s).Two lanes shall be open after working hours.
<br /> 2. in cases where road closure is pemlitted,the pem7issioa to close the road will berp anted under the condition that the Permittee notify-the following
<br /> persons and/or agencies of the tirne,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.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 installation operations warrant ffaagmemen,as many capable rlaagmrn as may be necessary shall be provided.
<br /> Dy the Permittee and stationed in advance of work to warn and direct traffic
<br /> _. Lights,signs and barricades shall be furnished,erected and maintained by the Permittee for the adequate warning and convenience of the public,with
<br /> Dar•ticulat 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 taffre,uncontrollable by lights,signs and barricades,shall be
<br /> -ernbved from tat job site daily.
<br /> STRUCTURES: -
<br /> g, Walls of structures shallbe such quality and strength that they will resist allpressures and will not crack or be.deformed.in such a wayas to create a.
<br /> a=d or maintenance problem at any time.Therefore,the minimum structmral requirements for concrete pipe placed under County road rights-of-way shall
<br /> dnform to the following American Association of State EPighway and Transportation Officials(AASHTO)designations-
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<br /> I.
<br /> es Lgnations-
<br /> 1.For concrete pipe up to and including thirty-three inches(33")inside diameter,extra strength concrete pipe conform�nv to'AASEiTO.Designation M 170M
<br /> 2.For concrete pipe thirty-six inches(36")inside diameter and larger,reinforced concrete pipe conforming to AASHTD desigaadon M 170M Class UL
<br /> 1 Plastic pipe conforming to AASHT'O Designation M 294.
<br /> •ATI concrete pipe joints within County road rights-of-way shall be sealed a.,a fist leakage and/or infiltration with rubber gasket in confo-rmance with
<br /> tctioa:65-1.06 of the California Standard Spe Lfications,or with other methods as roay'permitted under tiro Special Provisions.
<br /> Cast-in-place concrete pipe,vitrified clay pipe,spiral welded steel pipe,or corrugated aluminum alloy pipe shall not installed within the County read
<br /> ahts-0f-way uriess.specifirzlly so stated in the Special Provisions,and only under the conditions as providsd
<br /> D. All structures to be buried within the County road rights-of--way shall be set at such elevations as to allow miniTnnm coverage of thirty inches(30")to
<br /> .it centerline 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 /> Blow a flat plane extending across the rights-of-way,no part of which shall extend above the elevations stated above;manholes,lampholes,valves.etc.not
<br /> icluded:Future surface-elevations shall be.anticipated.as nearly as possible and structzire clevatioas shall be established.forfinnre adiustmentaccordmgIy.
<br /> The County hereby reserves the right to specify in the Special Provisions tae gage and.surd ace treatment of any galvanized corrugated metal pipe that is to
<br /> ie installed
<br /> All langitual atiaty facilities are to be established(and dimensioned on sketches)from surveyed centerline of roadright-of-way,not right of-wap
<br /> dio
<br /> iorder)renes.'
<br /> REPAIRS OF THE COUNTY RiGtiT-OE-WAY:
<br /> All excavations shall be backflitd 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 200 feet to the rear thereof,unless otherwise permitted
<br /> Y tbt Engineer.
<br /> 1.
<br /> tJnlrss otherwise permitted undes.the Special Provisions,backED shall be placed and mechanically compacted in such a manner that the relative
<br /> impaction throughout the entire fila within the County road right-of-way shall conform to the percentages of compaction as shown on the Trench Detail-
<br /> . Backfill material shall be placed in horizontal uniform layers mat to exceed in thickness,before compaction,0.67 foot in the bedding region,one foot
<br /> here 90%compaction is required,and two feet where 80%Compaction is required
<br /> No portion of the excavations)shall be compacted by ponding ar jetting unless a maintenance bond is provided_
<br /> Gravel backfill material shall be utilized only where specifically so stated on the face of the permit It shall be compacted by means of a bigh-frequency
<br /> iternai.vibrator,the compactor to be a size and type approved by the Eingineer..Point,of compaction shall be not greater than 18"centers and to the full
<br /> epth of the lift
<br /> L All pavements,curbs,gutters,sidewalks,borrow ditches,pipes,head walls,road signs,trees,shrubbery,and/or other permanent road facilities
<br /> nparred by or as a result of construction operations at the construction site(s),or at crdler grouadi s)occupied by materials and/or equipment,shall b-
<br /> stored-ia=tdiately upon backE iag 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 /> L All surfacing materials of roadways and driveway approaches cut or damaged by or as a result of constrirc'uon operations,shall be replaced within
<br /> NE WEEK following the backfilling of txcavation,weather permitting,with compacted layers,of surfacing materials at least as thick as the existing and no
<br /> ss than two inches(2")of asphalt concrete over six imchts(6")of aggregate base,both as-specified below.
<br /> 1.Asphalt Concrete:Combined mineral aggregate shall conform to tht quality and gradation requ remeats 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 bimmiaous binder to be mixed with
<br /> mineral aggregate shall be paving asphalt having(Grade Pa 64-10),unless otherw st directed by the Engineer.-Placement of asphalt
<br /> concretesurfacing shall conform to the applicable provisions of Srction 39 of the Cilifomia Standard Specifications.
<br /> -2 Aggregate Base:Combined mineral aggrrgates shall conform to the quality and the grading for three-quarter inch(3/4")maximum size aggregate
<br /> Class 2 Aggregate Bast specified_in Section 26 of tat California Standard Specifications
<br /> Before acceptance of repairs to the County road rights-of-way,all unsightly and detrimental dirt,dust andlor debris shall be removed and the
<br /> rustructioa arras left in a near and presentabit condition(s).
<br /> L E 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 pavements damaged by equipment or spoil banks shall be re-paired as duetted by the Engiaeer.-
<br /> Upon regaest by tht County,any settlement sagging of surfact,or cracking of pavement shall bt repaired it me-d,ately by and at the sole expense o€.,
<br /> L--Permittte for a period of ane ytu following acceptance of the work.
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