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GENERAL PROVISIONS <br />GOVERNJNG rnSTALLATION OFSUBSURFACESTRUCTURES AND PIPELINES WITHIN COUNTYflOAD-RIGHTS-OF-WAY . <br />PUBLIC CONVENIENCE AND SAFETY: <br />A Before obstructing any private driveway el1u-anceor County road traveled way with a trench.spoil bank,equipment or other barrier permitted for any <br />prolonge.d..period o4ime,the Perrnittee-shaU notify the known users of the respective tP..oroughfare(s)involved,and shall provide access for vehicular and <br />pedestrian traffic to an.dfrom the road.... <br />1.Unless otherwise permitted.all work shall be conducted in such a manner that no less than cmelane ofthe ex:ist41gCounty road traveled way will <br />be maintained open to public traffic during working hours in a smoot11.1~ndsafe riding condition(s).Two lanes shall be open after working hoUTS. <br />2.In cases where road closure ispermitted,the permission to close the road will be gr<mtedunder .the condition that the Permittee notifY the <br />falTowing persons and/or agencies of the time.the period of closure.and.the detour route Btleast tWen1;y.Jbur(24)hours prior to said.road closure. <br />a The County of San Joaquin Public Works Depariment _d.The 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 m.volved <br />B.Should hazardous Conditions relative to the instaIIatioD..operations warranf:fia.,<>rnen.as many capable flagmen as may be necessary shall beprovided.by thePermitteeandstationedinadvanceofworktowarnanddirecHraffic.. <br />.c.Lights~signs and barricades shall be furnished,erected and maintained by the Permittee for the adequate warning and cDI1Venien~afthe public~1Vith.particular attention to be taken in this regard after dark. <br />D..hJ.y excess dirt and/or debris which might be ahazard to either automobile of pedestrian trnffic~\Ulcontrollable by lights.signs and barricades.shall be <br />remGved from the jobsito daily. <br />STR1JCTURESc <br />A Walls of structures shall be such quality and strength thattheywill resist all pressures an,d will not crack erbe 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-oi-way shall <br />conform to the'following American:Association ofStaty Highway and transportation Officials (AASHTO}designations. <br />1.For c6ncreie pipe up to and including thirty-three inches (33")inside diameter.extra strength concrete conforming toAASHTO Designation M <br />170M.. <br />"2..For concrete pipe thirty-six.inches (38')inside diameter and larger,reinforced concrete pipe confoIIUing to AASHrO Designafion M 170M Classm. <br />3.Plastic pipe conformingto AASHTO Designation M294. <br />B.AlI 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 of the California Standard Specifications.or with omermethods ~may be permitted underlhe Special Provisions.. <br />C.Cast-in-place concrete pipe,vitrified claypipe,spiral welded steel pipe.or corrugated aIumimnn arroy pipe shall not be installed within the County road. <br />rights-of-way lm1ess specifically so stated in the Speci81 Provisions,and only under the conditions as provided... <br />D,AlI structures to be buried within the County rights-of-way shall be set at such elevations as to allow minimum coveIae,o-eof 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,no part of which shall extend above the elevations stated above;manholes,la.mpholes.~a1ves.etc.not <br />included.Futufe surf'ace 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 SQecial Provisions the gage and surfac~treatment of any galvanized corrugated metal pipe that-is to be <br />instal1ed.F.All longitudinal ntiIity facilities are to be established (and dimensioned 011sketches)from surveyed centerline of road right-of-way,not from right-of-way(border)lines.. <br />tEP AIRS OF THE COUNTY RIGHT-OF-WAY:..A All excavations shall be backfilled and compacted immediately after work therein has been completed. <br />B.Trenched shall not be left open farther than 300 feet in advance of pipe laying opera:tions~or 200 feet to the ~ar thereat;.unless otherwise p~d by the <br />Engineer..'... <br />C.'Unless otherwise permitted under the Special Provisions,backfill shall be placed and.mechanically compacted in such amanner that the relative compaction <br />throughout the entire fill within the County road rigb.t-of-way shall copform to the percentages of compaction as shown onthe Trench deW!... <br />D.Backfill material shall be placed in horizontal uniform layers not to exceed in thi?mess.before compaction,0.67 foot in.the bedding regio~one -foot where <br />90%compaction is required,and two-feet where &0%comppction is required.. <br />E.No portion of the excavation(s)shall'be compacted by ponding orjetting un1ess amaintenance 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.-fre'luency <br />intemaI vibrator.the compactor to be a size and type approved by the Engineer.Points of compaction shall not be greater than 18"centers and to the fulldepthof1heliftc• <br />G..All pavements~cmbs.gutters,sidewalla:,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 attlle cOnstruction site(s)occupied by materials and/or equipment,.shall be restored-immediately upon backfiIIing 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 lIJ.I sur.fucing materials of roadways and driveway approaChes cut or ~cred by or as aresu1t of construction.operations,shall be replaced within 'ONE <br />WEEK following the:backfilling of excavation.weather permitting.with compacted layers of surfacingma:teri.als atleast as thick as the existing,and no less <br />then two inches (2")of asphalt concrete over six inches (6")of aggregate base,both as spociJibd below..- <br />.-1'."Asphalt Concrete:Combined mineral aggregate sball confoIm to 1he quality and.gradation requirements for'fype "B"1lne-half inch(lI2) <br />maximum aggregate.coarse or medium gradafion as specified in Se~on 39 of the California Standard Specifications.The bituminous binder to <br />be mixed with mineral aggregate shall be paving aspbalt having (Grade PO 64-1O~unless otherwise directed by tho Engineer.Placement of <br />asphalt concrete sur:Iilcing sball confurm to the applicable provisions of Section 39 of the CaliforniaStandard SpeciJicaliODS. <br />2.Aggregate BaSe:Combined mineral aggregates shaii confun;n to the quality and lhe grading for fbreo-quarter inch (3/4")maximum size <br />aggregate Class 2 Aggregate Base speciJied in Section 26 oflhe CalifomiaSlandard SpociJications. <br />L Before acceptance oftepairs to the County road rights-of-way,all unsightly and detrimental dirt;,dust and/or debris shall be removed and the construction <br />areas left in a neat and presentable condition(s). <br />L Ifnecessary,County road traveled way and driveway p~emcnts sball'be washed with water to rem~lVe dirt 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,.sagging of surface.or cracking of pavement shall be repaired immediately by and atthe sale expense of the <br />PeIIDi1.teo for a period of one year following acceptance of the worle. <br />ERMITS COlWIER\gene:ral provisions\Wimcr w~c:r Provisions..docx: