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GENERAL PROVISIONS <br />GOVERNING INSTALLATION OF SUBSURFACE STRUCTURES AND PIPELJNES WITHIN COUNTY ROAD-RIGHTS-OF-WAY . <br />PUBLIC CONVENIENCE AND SAFETY: <br />A Before obstructing any private driveway entrance or County road traveled waymth atrench,spoil bank,equipment or other barrier permitted for any <br />proloDg-.....d.period o~.e,the Perrnittee.shall notify the known usern of the respective tho..r:ougbfare(s)involved,and shaIlprovide access for vehicu1ar and <br />pedestrian traffic to au.dfrom the road.. <br />1.Unless otherwise permitted.all work shall be conducted in such a m-annermat no less than fine lane oftbe existip.gCourriyroad 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 ciosure is permitted"the permission to close the road will be granted under:the condition that the Permittee notify the <br />foITowingpersons and/or agencies of the time,the period of closure,and-the detourroute.atleast tWenty..,.four (24)hours priorto said.road closure. <br />a The Colllli-)'of-SanJoaquin Public Works Department.d.The Ioeal:fire district <br />b.The County ofSan Joaquin Sheriff's Office e.The local school district <br />c.The local postal sendee f.The local residents involved. <br />B.Shocld hazardous Conditions relative totire installati.an..opemtions warra.."1!tla.,omen.,asmany capable flagmen asmay be necessary shall be provided.by the <br />Permittee and stationed in advance ofwork to warn and direct traffic.. <br />C.Lights.signs and barricades shall be:furnished.erected and maintained by the Permittee for the adequate warning and convenienc~ofthe publiC:,with <br />particular attention to be taken in this regard after dark. <br />D..AIly excess dirt and/or debris which might be ahazard to either automobile or'pedestrian traffic.vncontrollable by lights,signs and barricades.shall be <br />removed from thejobsite ciaily. <br />STRDCTURES~ <br />A Walls ofstruc:t:lrres shall be such quality and strength that they will resist all pressures ~d willnot crack or be deformed insuch a way as to create a~d <br />.Drmaintenance problem at any time.Tfierefore.the minimum structural requirements for concrete pipe placed under county road rights-of-way shall <br />conform to the'fullowing American Association ofS~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 to AASHTO DesignationM170M.. <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 leaka.,...o:eandlor:infiltration with rubber gasket in conformance with Section65-1;06 of tho California Standard Specifica1:ions.or with other methods ~may be permitted under the Special Provisions.. <br />C.Cast-in-place concrete pipe"vitrified clay pipe.spiral welded steel pipe,or corrugated aluminum alfoy pipe shall not be instilled within the County road <br />rights-of-way unless specifically so stated in the Speci8I Provisions,.and only under the conditions as provided. <br />D,All structures to be buried within the County rights-of~way shall be set ~atsuch elevations as to allow minimum COV~CTfl ofthirty inches (30")to the <br />centerline of the roadways and twelve inches (12")at the bottOms of bon-ow ditches each side of the roadways.The depths of stroctures shall be established <br />below a.f[at plane extending across the rights-of-way,no part of which shall extend above the elevations stated above;manhoies.Iampholes,"-valves,etc.not <br />included.Future surface elevations shall be anticipated as nearly as possible and structure elevations shall be established for future adjumnents'accordingly. <br />E.The County hereby reserves the right to specify in the SQecialProvisions the ga.,o-eand surf~treatment of any galvanized corrugated metal pipe that-is to be <br />installed. <br />F.AU longitudinal ntility facilities are tobe established (and dimensioned on sketches)from surveyed centerline of road right-of-way.not from right-of-way <br />(border)lines.. <br />lEPAIRS OF THE COUNTY RIGHT-OF-WAY: <br />A <br />B. <br />C.. <br />D. <br />B.F. <br />G. <br />L <br />J. <br />.. <br />All excavatioDS 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 ofpipe laying operations •.or 200 feet to the I:earthereot:unless otherwise p~by theEngineer...'..,. <br />Unless otherwise permitted under the Special Provisions.hack:fil1shall be placed and.mechanically compacted insuch amanner thatibe relative compa:ction <br />throughout the entire fill within.the County road rigqt-of-way shall copform to the percentages of compaction as shown onthe Trench detail .. <br />Baclcfill material shall be placed in horizontal uniform layers not to exceed in thi7kness.before compaction.0.67 foot in the bedding regioJi,one-foot where90%compaction is required,and two-feet where 8-0%comp~tion is required.. <br />No portion of the excavanon(s)shalI-be compacted by ponding orjetting uo1ess a maintenance bond is provided... <br />Gravel baekfill material shall be utilized only where specifically so stated on the face of the permit It shal!be compacted by means of .high-frequency <br />internal vibrator.the compactor to be asize and type approved by the Engineer.P0ints of compaction shall not be greater than 18"centers and to the fiill <br />depth of the lift ,. <br />All pavements.curbs.gutters.sidewalks,b"OIT-oWditches.pipes,head walls,road signs.trees.shrubbery.and/or other permanent road :fucilities 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 baclcfilling 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 surfacing materials of roadways and driveway apprnathes cut or dama;.o-ed.by or as aresult of caDSt:ro.ction.operations.shall.be replaced witbin:ONE <br />WEEK following the backfilling of exeavation.weather permitting;with compacted layers ofsurfu.cingmaterials at least as thick as the existing,and no less <br />than two inches (2")of asphalt concrete over six inches (6")of aggregate bilSe,both as speciJiOd below..- <br />"1'."Asphalt Concrete:Combined mineral aggregate shall conform lD the quality and gradation requirements fur Type "B"une-half inch(1I2) <br />m.a:ximum aggregate,coarse ormedium gradation as specified in Se~on 39 of the California Standard Specifications.The bituminous binder to <br />be mixed with mineral aggregale shall be paving asphalt having (Grade PG 64-10),unless otherwise directed by the Engineer.Placement of <br />asphalt concrete stII:facingshall conform to the applicable provisions of Section 39 ofthe California Standard Specifications. <br />2.Aggregate BaSe:Comhined mineral aggregates sbail conforJ;n to the qualify and the grading fur 1bree-quarter inch (3/4")maximum size <br />aggregate Class 2 Aggregate Base specified in Seetion 26 of the Ca1ifomia Standard Speeifications.. <br />Befure acceptance of repairs to the County roed rigbt;-<Jf-way,all unslghtiy and defrimen!ll1 dirt,dust and/or debris shall be removed and the construction <br />areas left in a neat and presentable condition(s)_ <br />L lfnecessary,County road traveled way and drivoway P'!Vements sha11'be washed with water lD rem9ve dir!and dust <br />2.Drivemy approaches and field entrance p.vements damaged hy equipment or spoil banks shall be repaired as directed hy 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 sale expense of the <br />Permittee for a period of onc year fqllowing acceptance of the work. <br />ER.MIIS COT.JNIER\g~provisiDns\WinlcrW~cr Pro\Iisions.doa::