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GENERAL PR0VISIONS . GOVERNINGlliSTALLATIONOFSUESu:RFACESTRUCTURESANDPIPELINES"WITRINCDDNTYROAD-RIGHTS-OF-WAY · PUBLIC CONVENIENCE AND SAFETY: A Before obstructing any private driveway entrance or County road traveled way with a trench, spoil bank, equipment or other barrier peuuitted for any prolonged-period ofJ;irno, the Permittee.shall notify the known users of the respective tlmr.ougbfare(s) involved, and shall provide access for vehicular-and pedestrian traffic fo an.d from the road. · · . L Unless otherwise _pennitted, all work shall be conducted in such a manner that no less than one lane of the existipg County road traveled way will be maintairied open to public traffic duringworldng hours in a smooth_illld safe riding conditi.on(s ). Two lanes shall be open after working hours. z. In cases where road closure is perrn.,'tted, the permission to close the road will be granted under ;the condition that the Pennitlee notify the .~ foITowing persons and/or agencies ofth.e.fune, the period of closure, and-the detour rou"ce .at least twenty-four (24) hours prior to said.road closure. a The County. of San Jo.aquin Public Works Dep&iment .cl The local fire district b. The-County of San Joaquin Sheriff's Office e. The local school district c. The local postal service f The local res:idents in.valved B. Should hazardous ciomlit:ians relative to th:e .installation.operations warra..H!agmen, as many capable flagmen as may be necessary shall be provided.by the · Permit-i.ee and stationed in advance of work to warn and direct traffic. . .C. Lights, signs and barricades shall be :furnished, erected and maintained by the Perrnittee for the adequare warning and convenienc~ of the public, with particular attention to be taken in this regard after dark. D. . Any excess dirt and/or debris which might be a hazard to either automobile or pedestrian traffic, \JD.Controllable by lights, signs and barricades, shall be remeved :from the j obsite daily. · STRUCTURES:. A Walls of structures shall be such quality and strength i:b.at they will resist all pressures aD;d will not crack ~r be deformed in such a way as to CI:eate ahaz~d · or maintenance pmblem at any rune. T.lierefore, the minimum structural requirements for cpncrete pipe placed under county road rights-of-way shall conform to the'fullowi:ng American Association of Stat~ Highway and transportation Offi'Cials (AASillO} designations. · 1. For concrete pipe up to and including thirty-three inches (33") inside-diameter, extra strength concrete conforming to AASB.'"TO Designation. M 170M . · -2. For concrete pipe thirty-six inches (36") inside diameter and larger, reinforced concrete pipe conforming to AASillO Designation M 170M Class m . . -3. Plastic pipe CGll.L"1lnningto AASHTO Designation M294. , B. All concrete pipe joi.Ji1s with County road rights-of-way shall be sealed il,,"1llllSt leakage and/or.infiltration with rubber gasket in cofu"'ormance with Section 65-1:06 of the California Standard Specifications, or with other methods as may be permitted imderfue Special Provisions. · c. Cast-in-place concrete pipe, vitrified clay pipe, spiral welded steel pipe, cir corrugated aluminum alloJ. pipe shall not be installed within the Co11L1ty road rights-of-way unless specifically so stated in the Special Provisions, and only under the conditions as provided. D, All str-uDtures to be 'buried within the County rights-of-way shall !:le set at such elevations as.to allow minimum coverage of thirty inches (30") to the 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 be1ow a :fla:t: pl<l!le extending across the rights-of-way, no part ofwhlch shall extend above the elevations stated above; manl10ies, lampho!es, 11alves, etc. not included. Flli'ure surface elevations shall be anticipated as n~arly as possible and structure elevations shall be established fur future adjustments· accordingly. E. The County hereby reserves tbe right to specify in the SP.ecial Provisions ihe gage and surfac~ treatment of any galvanized corrugated metal pipe that-is to be .installed. F. All longitudinal utility facilities are to be estabfuhed (and dimensioned on sketches) from surveyed centerline ofroad.right-of:.way, not from right-of-way (border) lines. · REPAIRS OF THE COUNTY RIGHT-OF-WAY: A All excavations shall be backfilled and compacted immediately after work therein has been completed. B. Trenched shall not be left open farther than 30_D feet in advance of pipe laying operations, or 200 feet to the 3:ear thereo~ unless otherwise perm,7fc;d by t)ie Engineer. · C. . Unless otherwise permitted under the Special Provisions, backfill shall be placed and mechanically compacted in ·such a manner that the r.elative compaction throughout the entire fill within the Counfy road rigqt-of-way shall conform to the percentages of compaction as shown on the Trench detail. . . D. Baclcfill material shall be placed in horizontal unL."'orm layers not to exceed in thi~kness, before compaction, 0. 67 foot in the bedding region, one -foot where 90% compaction is required, and two-feet where 8·0% compp-ciion is required. · · E. No p'ortion of the excavation(s) shaU-be compacted by ponding or jetting un:Iess a maintenance bond is provided. F. Gravel baclcfill material sball be utilized only where specifically so sta..'ed on the face of the permit It shall be compacted by means of a.high-frequency intem-a1 vibrator, -the compactor to be a size and type approved by the Engineer. P0ints of compaction shall not be greater than 18" centers and t6 the full depth of the lift. . · G. All pavements, curbs, gutters, sidewalks, b·orrow ditches, pipes, head walls, road signs, trees, shrubbery, and/or other permanent road facilities impaired by or as a result of construction operations att&e consiruction site(s) occupied by materials and/or equipmeni;. shall be restored immediately upon backfilling of the eitcavation to the original grades and cross sections, and to a condition as good as, or better than existing prior to construction. H. · All surfacing materials of roadways and driveway approaches cut or damaged by or as a result of construction, operations, shall be replaced within"ONE WEEK following the backfilling of excavation, weather permitting, with compacted layers of surfacing materials at least as thick as the existing, and no less tban two inches (2") of asphalt concrete over six inches (Ii") of aggregate base, both as specified below. . • ·-:L,." Asphalt Concrete: Combined mineral aggregate shall conform to the quality and gradation requirements for l'ype ''B" ·one-half inch(l/2) maximum aggregate, coarse or medium. gradation as specified in Section 39 of the California Standard Specifications. The bituminous binder to be .mixed with mineral aggregate shall be paving asphalt having (Grade PG 64-10), unless otherwise directed by the Engineer. Placement of asphalt concrete surfacing shall conform to the applicable provisions of Section 39 of the California Standard Specifications. 2. Aggregate Base: Combined mineral aggregates shall confon;n to the quality and the grading for three-quarter inch (3/4") maximum size aggregate Class 2 Aggregate Base specified in SecrionZ6 of the California Standard Specifications. 1 Before acceptance of tepairs to t!Je County road rights-of-way, all unsightly and detrimental dirt, dust and/or debris shall be removed and the construction areas left in a neat and presentable condition(s ). L If necessary, County road traveled way and driveway p!j:Vements shall· be washed with water to remove dirt and dust 2. Driveway approaches and :field entrance pavements damaged by equipment or spoil banks shall be ;epaired as directed by the Engineer. J. Upon request by the County; any settlement, sagging of surface, or cracking of pavement shall be repaired ii"1llllediately by and at the sole expense of the Permit-..ee for a period of one year following acceptance .of the work. F:IPERMITS COUNTER.lgeneral provisions\Winter W eatbe. 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