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GEJI<"ERALPROVISIONS
<br />GOVERNING INSTALLATION OF SUBSURFACESTRUCTURES AND PIPELINES "'lTHIN COUNTYROAD-RlGHTS-OF-WAY _
<br />PUBLIC C01'iVENIENCE AND SAFETY:
<br />A.Before obstructing any private driveway entrance or County road traveled way with a trench.spoil bank.equipm::nt or other barrier permitted for any
<br />prolonged..period c4ime.the Pe.."IDittee-shaIlnotify the known users of the respective tP..orougbfare(s)involved,and shall provide acc:ss for vehicular andpedestriantraffictoandfromtheroad..
<br />1.Unless otherwise .rennitted,all work shall be conducted in such a manner that no less than cnc lane oftbe existip.gCounty road traYeled way will
<br />be maintained open to public traffic during working hours in asmooth and safe riding condition(s).Two Janes shall be open after working hoW'S.2.In cases where road closme is permitted,the permission to close the road will be gra:Ited under the condition that the Permittee notify the
<br />farrowing persons andfor agencies of the time,the period of closure,and.the detour route at least twenty-four (24)hours prior to said.road closure.a The County of San Joaquin Public Works Department.d.The local fire district
<br />b.The County of San Joaquin Sheriffs 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 fiag;::l~as many capable flagmen as may 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.withparticularattentiontobetakeninthisregardafterdark.
<br />D..Any excess dirt and/or debris wmcll might be a hazard to either automobile of pedestrian traffic.l,lDcontrollable by lights,signs and barricades,shall beremovedfromthejobsitedaily.
<br />STRUCTURES,
<br />A Walls of structures shall be such quality and strength that they \'rill resist all pressw-es an.dwill not crack:or be deformed in such a way as to create a h~d
<br />.or maintenance problem at any time.TIimfon;the minimum stroetureI requirements for concrete pipe placed under county road rights-of-way shall
<br />conform to the'following American Association of State Higlrway and transportation Officials (AASHTO)designations.
<br />1.For concrete pipe up to and including thirty-three inches (33")inside-diameter.extra strength concrete conforming to AASIITO Designation M170M..
<br />.'2.For concrete pipe thirty-six inches (36")inside diameter and larger,reinforced concrete pipe conforming to AASHTO Designation M 170M Classill'
<br />3.Plastic pipe conforming to AASHTO Designation 11294.
<br />B.All concrete pipe joints with County road rights-of-way shall be sealed against leakage andlor,infiltration with rubber gasket in conformance with Section
<br />65-1 :06 oftbe California Standard Specifications,or with other methods as may be permitted under the Special Provisions.
<br />C.Ca5t-in-place concrete pipe.vitrified clay pipe.spiral welded steel pipe,Orcorrugated aluminum illoy pipe shall not be installed within the County road
<br />rights-of-way unless specifically so stated in the SpeciaI Provisions,and only UDderthe conditions as provided..
<br />D,All structures to be buried Vr'ithinthe Colmty rights-of-v,'aY shaHbe set at such elevations as to allow minimum coverage of thirty 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.DOpart ofwbich shaH extend above the elevations stated above;man..'lofes,lampholes,'valves,etc,not
<br />included..FUtufe surface elevations shall be anticipated as nearly as possible and structure elevations shall be established for future adjustments.accordingly.
<br />E,The County hereby reserves the right to specify in the Special Provisions the gage and surface treatment of any galvanized corrugated metal pipe that-is to be
<br />installed.
<br />F.All longitudinal utility facilities are to be established (and dimensioned on sketches)from surveyed centerline of road right-of-way.not from rigbt-of~way(border)lines.'
<br />REPAIRS OF TIIE COUNTY RIGHT-OF-WAY:
<br />A All excavations shall be backfilled and compacted immediately after work therein has been completed.
<br />B.Trenched shall not be i"dt open farther than 30,0 feet in advance of pipe laying operations,or 200 feet to the ~eatthereof,unless otherwise permitte;d by theEngineer..
<br />C.'Unless otherwise permitted under the Special Provisions,backfill !;ball be placed and mechanically compacted in.such a manner that the relative compaction
<br />throughout the entire fill within the County road rigqt-of-way shall conform to the percentages of compaction as shown on the Trench detail .,
<br />D.Backfill material sball be placed in borizontal unifonn layers not to exceed in tbi~ess.before compaction,0.67 foot in the bedding regiori.,one -foot where90%compaction is required,and two-feet where 80%compflction is required..
<br />E.No portion of the excavation(s)shall be compacted by ponding orjetting un1ess 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 ofahigh-frequency
<br />internal vibrator,the compactor to be a size and type approved by the Engineer.Points of compaction shall not be greater than IS"centers and to the full
<br />depth of the lift
<br />G.All pavements,curbs.gutters,sidewalks.borrow ditches.pipes,head walls,road signs.trees.shrubbery.andlor other permanent road facilities impaired by
<br />or as a result of construction operations attne construction site(s)occupied by materials and/or equipment,shall be restored immediately upon backfilling 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.
<br />Ii All surfacing materials of roadways and driveway approaches cut or damaged by or as a result of construction,operations,shall be replaced within"ONE
<br />WEEK following the backfilling ofexcavation,weather permitting,with compacted layers of surfacing materials at least as thick as the existing,and no less
<br />than two inches (2)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 ''B'''one-balf incb(1J2)
<br />maximum aggregate,coarse or medium gradation as specified in Section 39 of the California Standard Specifications.The bituminous binder tobemixedwithmineraIaggregateshallbepavingasphaltbaving(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 conform to the quality and the grading for three-quarter inch (3/4)maximum size
<br />aggregate Class 2 Aggregate Base specified in Section 26 oftbe California Standard Specifications.
<br />L Before acceptance of repairs to the County road rights-of-way,all unsightly and detrimental dirt,dust andlor debris shall be removed and the constructionareasleftinaneatandpresentablecondition(s).
<br />1.If necessary,County road traveled way and driveway plj.Vementssball'be washed Vr'ithwater to reID9ve d~and dust
<br />2.Driveway approaches and field 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,s~eing of surface.or cracking of pavemerit shall be repaired immediately by and at the sole expense of the
<br />Permittee for a period of one year following acceptance of the work.
<br />F:\PERMITS COUNTE:R\geneno!proviJ;ions\Winl~Weztbe Provnions.doot..
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