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GENERAL PROVISIONS <br />GOVERNING INSTALLATION OF SUBSURFACE STRUCTURES AND PIPELINES 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 afrench,spoil bank.equipment or other barrier permitted for any <br />prolong"'....d..period of:9.me,.the Permittee-shall notify the mown users of the respective thoroughfare(s)involved.and shall provide access for vehicular and <br />pedestrian traffic to'!li\d from the road.... <br />1.Unless otherwise ;permitted,all work shall be conducted in such a mannertbat no less than flne lane of the existipg Cow:rtyroad traveled way will <br />be maintained open to public traffic during working hours in a smootb..~d safe riding condition(s).Two lanes shall be open after working hOllIS. <br />2.In cases where road erosure ispermitted.the permission to close the road will be grnBtedunder .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 tWen1;y..,four(24)hours prior to said.road closure.a The Cotmty of San Joaquin Public Works Department _d.The local fire district <br />b.The County of San Joaquin Sheriffs Office e.The10cal school district <br />c.The local posta!service f The local residents mvolved <br />B.Shou1d hazardous conditions relative to the installation..Dpera:tions wa:rrant:flagmen.,as many capable fiagmen asmay be Iieressary shall be provided_by the <br />Permittee and stationed in advance of work to wam and direct traffic.. <br />C.Lights.signs and banicades shall be furnished,erected and maintained by the Permittee for the adequate warning and conyenieoc~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 ahazard to either automobile of pedestrian trnffic.gncontrollabJe oy lights.signs and barricades.shall beremovedfromthejobsitedaily. <br />STRUCTURES:. <br />A Walls ofstructnres shall be such quality and strength that they will resist ali pressures an.d will not crack or be deformed in such a way as to create ah~d <br />.or maintenance problem at any time.Tlierefore.the minimum structural requirements fur concrete pipe placed under county road rights-of-way shall <br />conform to me'fo1l6wing American Association ofS~Highway and transportation Officials (AASHTO}designatioDS. <br />1.For c6ncrete 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 AASHrO I2esignafion M 170M Class <br />ill... <br />3.Plastic pipe conformingto AASHTO Designation M294. <br />B.All concrete piPe join"ts with.County road rights-of-way shall be sealed against leakage andlor,infiltration with rubber gasket in comormance with.Section <br />65-1:06 of me California Standard Specifications.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 installed within the County mad <br />rights-of-way tmless specifically so stated in the Speci81 Provisions.and only under the conditions as provided.._ <br />Ih AlI structures to be buried within the County rights-of-way shaH.be set at such elevations as to allow minimum cove~""Cof thirty inches (30")to the <br />centerline of the roadways and twelve inches (12")at1he bottoms of borrow ditches each side of the roadways.The depths of structures shall be established <br />below a fIat plB?e extending across the rights-of-way.no part ofwhich shall extend above the elevations stated above;manhoies.Iampholes."-valves.etc.not <br />included.Future surface e1evatiOIlSshall be anticipated as nearly as possible and structure elevations shall be established for future adjustments 'accordingly. <br />B.The County hereby reserves the right to specify in the SI!ecial Provisions the gB,;,CTO and s~treatment of any galvanized COll'Ugatedmetal pipe that-is to be <br />installed. <br />F.All longitudinal utility facilities are to be established {and dimensioned Oil sketches)from surveyed centerline of road right-of-way.not from right-of-way <br />(border)lines.. <br />tEPAlRS OF THE COUNTY RIGHT-OF-WAY: <br />'. <br />A <br />B. <br />c.. <br />D. <br />E. <br />F. <br />G, <br />H. <br />L <br />J. <br />All excavations shall be backfilled and compacted immediately after wade 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 ~ar th.ereof;.unless otherwise p~by the <br />Engineer..'.,. <br />Unless otbeli¥ise permitted under the Special Provisions,backfill shall be placed and.mechanically compacted in'such amanner that th.erelative compaction <br />throughout the entire fill within the County road ~t-of-way shall copform to 'the percentages of compaction as shown onthe Trench det:ail... <br />Backfill material sh.all be placed in horizontal uniform layers no~~exceed in thi~ess.before compaction.,0.67 foot in the bedding region.one -foot where90%compaction is required,and two-feet where 80%comp~tion IS required." <br />No portion of the ex:cavation(s)shalI-be compacted byponding orjettingWJ1ess amaintenance bond is provided.~ <br />Gravel backfill material sball be utilized only where specifically so staled on the face of the permit It shall be compacted by means ofahigb-frequency <br />intema1 vibrator,.the compactor to be a size and type approved by the Engineer.Peints of compaction shall not be greater 1han 18"centers and to the fiill <br />depth of1he lift.. <br />All pavements.cmbs"gutters.sidewalks,bDrroW ditches.pipes.head walls.road signs.trees.shrubbery,and/or other permanent road.facilities impaired by <br />or as a result of construction operations attlie c6nstruction 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.al?-dto a condition as good as,or beiter1han existing prior to COJ1S"\nlction. <br />AIl sur:fucing materials ofroooways and driveway approaches cut or dam~o-ed by or as aresuIt of construction,operations.shall be replaced within 'ONE <br />WEEK fullowing the backfilling ofexeavation,weather penni1ling,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")ofaggregale bilse,both as speci£ed below..• <br />..1,."Asphall Concrete:Comhined mineral aggregale shall conform to the quallty and gradation requirements fur Type "B"llne-half inch(l/2) <br />maximum aggregate,coarse or medium gradation as specified in Sec~on 39 of the California Standard Specifications.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 conCj:ete surfacing shall conform to the:applicable provisions of Section 39 ofllie California Standard Specifications. <br />2.Aggregate BaSe:Combine.mineral aggregales shall confon:n to the quality and the grading for three-quarter inch (3/4")maximum size <br />aggregate Class 2Aggregale Base specified in Section 26 of the CalifomiaSlandanl Specifications. <br />Before acceptance of "'Pairs to the County road rlghfs-o<-way,all unsightly and detrimeola1 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<jYements shall.be washed with water to reD1pve dirt and dust <br />2.Driveway approaches and field -.nee 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 />Permittee for a period of one year :fqIlowing acceptance of the work. <br />ERMrTS COUN1Et\generaI provisions\Wintcr W~cr Provisions.docx