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GENERAL PROVISIONS <br />GOVERNING INSTALLATION OF SUBSURFACE STRUCTURES AND PIP.ELmES WITRIN COUNTY ROAD-RIGHTS-OF-WAY ...' <br />FUBLIC CONVENIENCE AND SAFETY: <br />A Before obsiructing any private driveway entrance or County road traveled way with a french,spoil bank,equipment or other barrier permitted for any <br />prolonge.cLperiod o4irne,the Permittee-shaU notifY the known users of the respective t!:J-0r.Dughfare(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 fme lane of the existipg Courrty road traveled waywill <br />be maintained open to public traffio during working hours in a smooth.~d safe riding condition(s).Two lanes shall be open after wor:ki:n.ghours. <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 />farrowing persons andlor agencies of me time.the period of closure.and-the detour route.at least tWerrfy.,.four(24)bours prior to said.road closure.a The County of San Ja.aquin Public Works Department _d.The local fire district <br />b.The County of SanJoaquin Sheriffs Office e.The IDcal SChDDIdistrict <br />c.The local postal service f The local residents mVDlved <br />B.Should hazardollS conditions relative to tlre instaIIatio.o-operatioDSwarra.'1.~flagmen,as many capable flagmen as may be necessary shall bb provided_by the <br />Permittee and stationed in advance of work to wam and direct traffic." <br />C.Lights,signs and barricades shall be furnished,erected and maintained by tlw Permittee forthe adequate warning and CDnvenienc~of the public,with.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 otpedestrian traffic,lIDcontroliable by lights,signs and barricades,shall beremGvedfromthejobsitedaiiy. <br />STRUCTURES:. <br />A Walls of structures shall be such quality and strength that tbey will resist all pressures an.dwill not exackorbe deformed in such a way as to create a~d <br />-or maintenance problem at any time.TIierefore,the minimum structural requirements for concrete pipe placed lmder county road rights-of-way shall <br />conform to tbe'fo1l6wing American Association DfStafy Highway and transportation Officials (A.ASHTO)designations. <br />1.For cOncrete pipe up to and including thirty-three inches (33'')inside-diameter,extra strength concrete conforming to AASHTO DesignationM <br />170M.. <br />."2.-For concrete pipe thirty-six inches (36")inside diameter and larger,reinforced concrete pipe conforming to AASHTO !{esignafion M 170M Classm..3.Plastic pipe conforming to AASIITO Designation M294. <br />B.All concrete piPe joints with Couniy road rights-otway shall be sealed against leakage and/cu:in:filtration with rubber gasket in conformance with.Section <br />65-1:06 of the California Standard Specifications,or with other methods ?S maybe permitted underth-e Special ProvisioDS."c.Cast-in-place concrete pipe,vitrified clay pipe~spiral welded steel pipe,or corrugated aluminum alfoy pipe shall not be installed within the County road <br />rights-of-way unless specrnca11y so stated in the Speci81Provisions.and only under the conditions as provided.. <br />D,All structures to be buried Vlithinthe County rights-of-way shaHbe set at such elevations as to allow minimum covera..:.creof 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 stmctures shall be established <br />be10w a flat plane extending across the rights-of-way.no part of which shall extend above the elevations stated above;mall.ii.oies.lampholes,"-valves,etc.not <br />included.Fumre 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 Sp'ecial ProvisioDS the gage and sur.fac~treatment of any galvanized corrugated metal pipe that-is to be <br />installed. <br />F.AIllongimdinal utility facilities are to be established (and dimensioned on sketches)from surveyed centerline of road right-at-way.not from right-of-way(border)lines.. <br />tEPAIRS OF THE COUNTY RIGHT-OF-WAY: <br />A.B. <br />C.' <br />D. <br />E. <br />F. <br />L <br />J. <br />;l. <br />All excavations shall be backfilled and compacted immediately after work therein has been completed. <br />Trenched shall not be left open farther than 300 feet in advance of pipe laying operations •.or 200 feet to the ~ear thereat:unless otherwiso p~by theEngineer..... <br />Unless otherwise permitted under the Special Provisions,backfill shall be placed and mechanically compacted in"sUchamanner thatilie relative compaction <br />throughout the entire:fill within the County road ri~t-of.way shall copform tD the percentages of compaction as shown onthe Trench detail ". <br />Baclcfill maferial shall be placed in horizontal uniform layers not to exceed in.thickness.before compaction,0.67 foot in the bedding region.one -foot where <br />90%compaction is required,.and two-feet where 8-0%comppetion is required.... <br />No portion of1be excavation(s)shall-be compacted by ponding orjetting un1ess 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 b.compacted by means of ahigh-frequency <br />internal vibrato~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 full <br />depth of the lift <." <br />All pavements,curbs,gutters,sideww,b'Orr-ow.ditches.pipes,.head.walls.road signs.trees,shrubbery,and/or other permanent road fucilities impaired by <br />or as a result of construction operations attlie cOnstruction site(s)occupied by materials andior 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 />All smfucing materials of roadways and driveway approaChes cut or damaged by or as a result of constrncfion.operalions,shall be replaced within"ONE <br />WEEK fullowing the backfilling of exCltValion,weather permitting,with coIIljlacted IIl)'efS of surfacing materials at least asfuick as the existing,and no less <br />1han two inches (2")of asphalt concrne over six inches (6")of aggregate bilse,both as specified below..- <br />'-1'.'Asphalt Concrete:Combined min=l aggregate shall confo!ll1 to 1he quality andgradalion requirements for Type "B'."ne-half inch(W) <br />m.aximum.aggregate.coarse or medium gradation as specified in Section 39 oftbe California Standard Specifications.The bituminous binder to <br />be mixed with min=l aggregate shall be paving asphalt having (Grade PG 64-10),unless otherwise directed by 1heEngineer.Placement of <br />asphalt conq:ete sw::fu.cingshall conform to '!:beapp~cable provisions of Section 39 offhe California Standard Specifications. <br />2.Aggregate Bas"Combine"mineral aggregates shall conibl:J)l to 1he quality and the grading for three-quarter inch (3/4")maximum size <br />aggregate Class 2 Aggregate Base specified in Section 26 of the California Standard Specifications.' <br />Before .coep_co oftepairs to the County road rlghts-<>f-way,all unsightly and de1rimental dirt,dust and/or debris shall be removed and 1he construction <br />areas left in a neat and presentable condition(s). <br />L Ifneeessary,County road traveled way and driveway p~ements shall-be washed with water to remflve dirt and dllst <br />2.Driveway approaches and field entrance pavements damaged by equipment or spoil banks shall be repaired as directed by the Engineer. <br />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 the <br />Pem:rittee for a period of one year following acceptance of the work. <br />ERMITS COUNIER.\g1mera1 provisions\Willt=r W~er ProvisiOns.dDCX