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GENERAL PROVISIONS
<br />GOVERNING INSTALLATION OF SUBSURFACE STRUCTURES ANDPIPELINES WITHIN COUNTYROAD~RIGHTS-OF_WAY .
<br />PUBLIC 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 o4irne,the Permittee-shall notifytbe known users oftbe respective tP..orougbfare(s)involved,and shall provide access for vehicular andpedestriantraffictoandfromtheroad..
<br />1.Unless otherwise 'permitted.all work shall be conducted in such a manner that no less than Gne lane ofllie existipg County road traveled way will
<br />he maintained open to public traffic during ,,!orking hours in asmooth_lm-dsafe riding conditiones).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
<br />folTowing persons and/or agencies.ofthe time,the period of closure,and.the detour route at least tWen1y-four(24)hours prior to said.road closure.a The County of-SanJoaquin Public W-orksDepartment.d.The Iocal: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 mvolved
<br />B.Should hazardous Conditions-relative to the instai:Ia.ti.on-.Dperationswarrant flagmen,as maDYcapable flagmen asmay be necessary shall be provided.by thePermitteeandstationedinadvanceofworktowarnanddirecttraffic.
<br />C.Lights.signs and barricades shall be furnished.erected and maintained by the Permittee for the adequate warning and convenienc~of the public.with
<br />particular attention to be taken in this regard.after dark
<br />D..hy excess dirt and/or debris which might be a hazard to either automobile ot pedestrian traffic,l,lIlcontroliable by lights,signs and barricades,shall beremovedfromthejobsitedaily.
<br />STRlJCTURES~
<br />A.Walls'ofstructures shall be such quality and strength that they will resist all pressures an,d'Willnot crack::or be deformed in such a way as to create a~d
<br />or maintenance problem at any time.Tfierefore.the minimum structural requirements for concrete pipe placed under county road rights-of-way shall
<br />conform to the'following American Association of State Highway and transportation Officials (AASHTO)designations.
<br />L For c6ncrete pipe up to and including thirty-three inches (33")inside-diameter,extra strength concrete conforming to AASHTO Designation M170M..
<br />..2.For concrete pipe thirty-six inches (36")inside diameter and larger,reinforced concrete pipe conforming to AASHfO Designation M 170M Classill'
<br />3.Plastic pipe conforming to AASHTO Designation M294.
<br />B.All concrete pipe joints with County road rights-of-way shall be sealed against leakage andJor.infiltration with rubber gasket in conformance with Section65-1:06 of the California Standard Specifications,or with other methods as may be permitted under the Special Provisions.
<br />C.Cast-in-place concrete pipe,vitrified clay pipe.spiral welded steel pipe,o'rcorrugated aluminum aI.roypipe shall not.be installed within the County road
<br />rights-of-way tmIess specifically so stated in the Speci8l Provisions,and only under the conditions as provided..
<br />D,All structures to be buried within the County rights-of-\VaY shall be set at such elevations as to allow minimum coverage ofthirty inches (30"')to the
<br />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 />below a flat plane extending across the rights-of-way,no part of which shall extend above the elevations stated above;mafu1.oies,larnpholes,"-valves,etc.notincluded.FutuIe surface elevatiuns shall be anticipated as nearly as possible and structure elevations shall be established for future adjustments.accordingly.
<br />E.The County herebyreserves the right to specify in the Sp'ecial Provisions the gage and surface treatment of any galvanized corrugated metal pipe that-is to beinstalled..
<br />F.All longitudinal utility facilities are to be established (and dimensioned on sketches)from surveyed centerline of road right-of-way.not from right-of-way(border)lines.'
<br />REPAIRS OF THE COUNTY RIGHT-OF-WAY:
<br />A All excavations shall be backfilIed and compacted immediately after work therein has been completed..
<br />B.Trenched shall not be feft open farther than 30,0 feet in advance of pipe laying operations,or 200 feet to the ~ear thereof;unless otherwise permi~d by the~~~'
<br />C..Unless otherwise permitted under the Special Provisions,backfill shall be placed and mechanically compacted in.such a manner that the relative compaction
<br />throughout the entire fill 'Withinthe County road ri~t-of.way shall conform to the percentages of compaction as shown on the Trench detail.,.
<br />D.Backfill material shall be placed in horizontal uniform layers not to exceed in thiclmess.before compaction,0.67 foot in the bedding region.one -foot where90%compaction is required,and two-feet where 80%comp,action is required...
<br />E.No portion of the excavation(s)shalt-be compacted by ponding or jetting unless a maintenance bond is provided.
<br />F.Gravel backfill material shall be utilized only where specifically so stated on the face of the permit.It shall be compacted by means of ahigh-frequency
<br />internal vibrator,the compactor to be a size and type approved by the ~~eer.Points of compaction shall not be greater than 18"centers and to the full
<br />depth of the lift.
<br />G.All pavements.curbs,gutters,sidewallai,borrow ditches,pipes,head walls,road signs.trees.shrubbery,and/or other permanent road facilities impaired by
<br />or as a result of construction operations atthe construction site(s)occupied by materials and/or equipment.shall be restored immediately upon back:filling of
<br />the excavation to the original grades and cross sections.and to a condition as good as.or better than existing prior to construction.:a All surfacing materials of roadways and driveway approaChes cut or darna.,credby or as a result of construction.operations,shall be replaced within 'ONE
<br />WEEK following the backfilling of excavation,weather permitting,with compacted layers of surfacing materials at least as thick as the existing,and no less
<br />than two inches (2j of asphalt concrete over six inches (6")of aggregate base,both as specified below..
<br />.-L'Asphalt Concrete:Combined mineraI aggregate shall conform to the quality and gradation requirements for Type ''E'''one-half inch(ll2)
<br />maximwn aggregate,coarse or medium gradation as specified in Section 39 ofthe California Standard Specifications.The bituminous binder to
<br />be mixed 'Withmineral aggregate shall be paving asphalt having (Grade PG 64-10),unless otherwise directed by the Engineer.Placement of
<br />asphalt concrete surfacing shall conform to the applicable provisions of Section 39 of the California Standard Specifications.
<br />2.Aggregate Base:Combined mineral aggregates shall confon;n to the quality and the grading for th.ree-quarter inch (3/4j maximum size
<br />aggregate Class 2 Aggregate Base specified in Section 26 of the California Standard Specifications.
<br />1 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 constructionareasleftinaneatandpresentablecondition(s).
<br />1.If necessary.County road 'traveled way and driveway p!j:Vementsshall.be washed with water to rem~ve diI1and dust
<br />2.Driveway approaches aDdfield entrance pavements damaged by equipment or spoil banks shall be repaired as directed by the Engineer.
<br />J.Upon request by the County,any settlement.sagging of surface,or cracking of pavement shall be repaired immediately by and at the sole expense of thePermitteeforaperiodofoneyearfoIIowingacceptanceofthework.
<br />F;\PERMITS CDUNTER.\genem1pmvisions\WinterW~er Provisions,docx
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