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GENERAL PROVISIONS <br />GOVERNlNG INSTALLATION OF SUBSURFACESTRUCTURES AND PrPELfNES WITHIN COUNTY!<OAD-RIGHTS-OF-WAY . <br />PUBLIC CONVENIENCE AND SAFETY: <br />A.Before obstructing any private driveway entrance or County road traveled way with atrench,spoil ba.nk.equipment or other barrier permitted for any <br />prolonged-period o4im.e.the Permittee.shall notify the mown users ofthe respective thQ..'1lugbfare(s)involved,and shallprovide ac:cessfOf vehicular and <br />pedestrian traffic to-and from the road.. <br />1.Unless otherwise 'permitted,all work shall be conducted in such a manner that no less than 6lle lane oithe existipg Courrty road traveled way will <br />be 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 permitted,the permission to close the road will be granted under ,the condition that the Permittee notifY the <br />falTowing persons and/or agencies of the time,the period of closure,and-the detour route at least tWenty..,four(24)hours prior to Said.fOad closure. <br />a The County of San Joaquin Public Works Department _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 res,idents mvolved <br />B.shouid hazardous Conditions relative totire instaI1ation..operanoDS warra..,-~fla..,amen.as many capable flagmen asmay be necessary shall be provided.by thePermitteeandstationedinadvanceofworktowamanddirecttra:ffic.. <br />.C.Lights.signs and barricades shall be :furnished,erected and maintained by the Permittee for the adequate warning and conyenienc~of the public.with <br />particular attention to be taken in this regard after dark. <br />D...Any excess dirt and/or debris which might be a hazard to either automobile of pedestrian traffic.lJDcontrollable by lights,signs and barricades.shall be <br />removed from thejobsite daily. <br />STR1JCTURES:. <br />A Walls ofsfructures shall be such quality and strength '!:hatthey will resist all pressures an.dwill not crack or be deformed in such a way as to create ahaz~d <br />.or maintenance problem at any time.Tlierefore,the minimum structural requirements for concrete pipe placed under county road rights-of-way shall <br />conform to the'foll6wing American:Association ofS~Highway and 1Tansporlztion Officials (AASHTOj designations. <br />1.For c6ncreie pipe up to and including thirty-three inches (33'')inside-diameter.extra strength concrete conforming to AASHTO DesignatiDnM170M.. <br />..2..For concrete pipe thirty-six inches (36'')inside diameter and larger.reinforced concrete pipe conforming to AASHrO DesignafiDn M 170M Classm... <br />3.Plastic pipe conforming to AASHfO Designation M294. <br />B.All concrete piPe joints with CDUntyroad right3-of-way shall be sealed against leakage and/or.infiltration with rubber gasket in conformance with.Section <br />65-1:06 oftbe California Standard SpecificatiDns.Dr with DthermethDds ~may be permitted.under tire Special Provisions.- <br />C.Cast-ill-place concrete pipe,vitrified.clay pipe~spiral welded steel pipe,or corrugated aluminum arroy pipe shall nDt be installed within the County road <br />rights-of-way unless specifically so stated in the SpeciBJ.Provisions,and Dnly under the conditions as provided.. <br />D,All str-uctures to be buried within.the County rights-of-way shall.be set at such elevations as to allow minimum covera.,o-eoftbirty inches (3D')to the , <br />centerline of the roadways and twelve inches (12")at the bottOms Dfborrow ditches each side of the roadways.The depths of stroctures shall be established <br />below a fiat plane extending across the rights-of-way,no part Dfwhicb shall extend abDve 'theelevations stated above;maI1J.1.oies,Iampholes •."Valves~etc.not <br />included.Future surface elevations shall be anticipated as nearly as possible and structure elevatiDns shall be established for future adjurtments.accordingly. <br />E.The County hereby reserves the right to spwLfj in the 8:gecial Provisions the gage and surfac~treatment of any galvanized CDrrugated metal pipe that-is to be <br />instlllled. <br />F.AllIDngitudinal utility facilities are to be established (and dimensioned on sketches)from surveyed centerline ofroad right-of-way.not from right-of-way(border)lines.. <br />lEPAIRS OF THE COUNTYRIGHT-QF-WAY:,. <br />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 ofpipe laying Dperations~or 200 feet to the ~thereo~unless otherwise p~by theEngineer.....-c.-Unless otherwise permitted under the Special Provisions.back:fill shall be placed.and.mechanically compacted in such amanner that the relative compa:ctiDn <br />thrOUghDut the entire fill within the County road rigqt-of-way shall copfOIm to the percentages of compactiDn as shDwn on the Trench detail... <br />D.Backfill material shall be placed in hDrizontal uniform layers notto exceed in thi~ess.before compaction"0.67 foDtin the bedding regiDIi"one -foot where90%compaction is required,and fwo-feetwhere 8-0%compflCtion is required.. <br />E.ND portion of the excavation(s)shall-be compacted by pDnding orjetting un1ess amaintenan.ce bond is provided... <br />F.Gravel baclc!ill material shall be utilized only where speeific:al1y so stated on the face of the permit It shall be compacred by means of ahigh-frequency <br />internal vibrator.the compactor to be a size and type approved.by the Engineer.Points of compaction shall not be greater than 1&'"centers and to the full <br />depth.Dfthe lift.~. <br />G~All pavements,.curbs.gutters.sidewalks,b"OII'Ow,ditches.pipes.head waIls.road signs,trees,shrubbery.and/Dr Dtherpermanent road fucilities impaired by <br />or as a result of construction operations attlie 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 betterthan existing prior to constnIction. <br />Ii AIl surfacing materials of roadways and driveway approaChes cut or dama.."oedby or as aresu1t of construction.operations,shall be replaced within UNE <br />WEEK fullowing the backfilling of "''''''aUon.weaJherpemntting;with oompacted layers of surl"acingmaterials at least asthick as the existing;and no less <br />than two inches (2")of aspbalt ooncrere over six inches (6")of aggregate bilse,both as specified below..- <br />-1'.-Asphalt Concrere:Combined mineral aggregate shall conform to the quality and gradation requirements for l'ype "S".one-half inch(1I2) <br />maximum aggregate,coarse or medimn gradation as specified in S~on 39 ofllie CalifomiaS'tandard SpecificatiDns.The bituminous binder to <br />be mixed with mineral aggregate shall be paving asphalt having (Grade PG 64-10),unless otherwise directed by the Engineer.Placement of <br />asphalt concrete SUIfacing shall conform to the applicable provisions of Section 39 of the California Standard Specifications. <br />2.Aggregate BaSe:Combined mineral aggregates shall confuD)1to the quality and the grading for tbree-quarler inch (3/4')maximum size <br />aggregate Class 2 Aggrega1e Base speciiiedin Section26 of the Ca1ifomiaStandard Specifications. <br />1 Befure acceptlmco oftepairs to the County road rig!lJs-<lE-way,allunsightly and detrimantal dirt,dust and/or debris sha11be r","ovad and the construction <br />areas left in a neat and presentable condition(s). <br />1-Ifnecessary.County road traveled way and driveway P'lVernents shall-be washed with water to reID9ve dh1 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 Dfsurface.or cracking Dfpavement:shall be repaired immediately by and at the sole expense of the <br />Permittee for a period of one year fpllowing acceptance of the work.