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GENERAL PROVISIONS
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<br /> 1,UBLIC CONVENIENCE AND SAFETY:
<br /> A. Before obstructing any private driveway entrance or County road traveled way with a trench,spoil bank,equipment or other barrier permitted for any — ---
<br /> prolonged period of time,the Permittee shall notify the known users of the respective thoroughfare(s)involved,and shall provide access for 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 one lane of the existing County road traveled way will be
<br /> maintained open to public traffic during working hours in a smooth and safe riding conditioa(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 following
<br /> persons and/or agencies of the time,the period of closure,and the detour route at least twenty-four(24)hours prior to said road 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 residents involved
<br /> B. Should hazardous conditions relative to the installation operations warrant fi_ag_n,as many capable flagmen as may be necessary shall be.provided
<br /> by the Permittee and stationed in advance of work 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 convenience 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 or pedestrian traffic,uncontrollable by lights,signs and barricades,shall be.
<br /> removed from the job site daily.
<br /> STRUCTURES:
<br /> A: Walls of structures shall be such quality and strength that they will resist all pressures and will not crack or be deformed.in such a way'as to create a
<br /> is zard or maintenance problem at any time.Therefore,the minimum structural requirements for concrete pipe placed under County road rights-of-way shall
<br /> :6nf6rm to-the following American Association of State highway and Transportation Officials(AASHTO)designations.
<br /> 1.For concrete pipe up to and including thirty-three inches(33")inside diameter,earn-strength concrete pipe conforming to AASHT0 Designation Iv1170M
<br /> 2.For concrete pipe thirty-six inches(36")inside diameter and larger,reinforced concrete pipe conforming to AASHT0 designation M 170M Class III.
<br /> 3:Plastic pipe conforming to AASHTO Designation M 294.
<br /> .-.-All concrete concrete pipe joints within County road rights-of-way shall be sealed against leakage and/or infiltration with rubber gasket in conformance with
<br /> :ection:65-1.06 of the California Standard Specifications,or with other methods as maypermitted under the Special Provisions.
<br /> ,. Cast-in-place concrete pipe,vitrified clay pipe,spiral welded steel pipe,or corrugated aluminum alloy pipe shalt not be installed within the County road
<br /> ights-0f-way unless.specifically so stated in the Special Provisions,and only under the conditions as provided
<br /> D. All structures to be buried within the County road rights-of-way shall be.set at such elevations as to allow minimum coverage of thirty inches(30")to
<br /> Lit 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
<br /> ielow a flat plane extending across the rights-of-way,no part of which shall extend above the elevations stated above;manholes,lampholes,valves.etc.not
<br /> ucluded Future surface elevations shall be.anticipated.as nearly as possible and structure elevations shall be established.for f rture,adjustmentaccordingly.
<br /> E. The County hereby reserves the right to specify in the Special Provisions the gage and surface treatment of any galvanized-coaugated metal pipe that is to
<br /> be installed
<br /> F. All longitudinal adlity facilities arc to be established(and dmtpnsioned on sketches)from surveyed centerline of road-right-of-way,not from right-of-way
<br /> border)lines-,
<br /> REPAIRS OF THE COUNTY RIGHT-OR-WAY:
<br /> s,. All excavations shall be backfilled and compacted immediately after work therein has been completed-
<br /> 3.
<br /> ompleted3. Trenches shall not be left open farther than 300 feet in advance of pipe laying operations,or 2,00 feet to the rear thereof,unless otherwise permitted
<br /> iy the Engineer.
<br /> Unless otherwise permitted under the Special Provisions,backfill shall be placed and mechanically compacted in such a manner that the relative
<br /> 6 .' action throughout the entire fill within the County road right-of-way shall conform to the percentages of compaction as shown on the Trench Detail
<br /> ). Backfill material shall be placed in horizontal utriform layers not to exceed in thickness,before compaction,0.67 foot in the bedding region,one foot
<br /> ,,here 90%compaction is required,and two feet where 80%compaction is required. .
<br /> .No portion of the excavation(s)shall be compacted by ponding or-jetting unless a maintenance bond is provided
<br /> Gravel backfill material shall be utilized only where specifically so stated-Da the face of the pmmit It shall be compacted by means of a high-frequency
<br /> iternal.vibrator,the compactor to be.a size and type approved by the Engineer..Points of compaction shall be not greater than 18"centers and to the full
<br /> epth of the lift
<br /> 3. All pavements,curbs,gutters,sidewalks,borrow ditches,pipes,head walls,road signs,trees,shrubbery,and/or other permanent road facilities
<br /> repaired by or as a result of construction operations at the construction site(s),or at other ground(s)occupied by materials and/or equipment,shall be
<br /> -stored-immediately upon backfilling of the excavation to the original grades and cross sections,and to a condition as good as,or better than existing prior
<br /> construction.
<br /> i. All surfacing materials of roadways and driveway approaches cut or damaged by or as a result of construction operations,shall be replaced within
<br /> )NE WEEK following the back dMag of excavation,weather permitting,with compacted layers.of surfacing materials at Ieast as-thick as the existing,and no
<br /> :ss than two inches(2")of asphalt concrete over six inches(6")of aggregate base,both as.specified below.
<br /> 1.Asphalt Concrete:Combined mineral aggregate shall conform to the quality and gradation requirements for Type'B"one-half(1/2")maximum
<br /> aggregate,coarse or medium gradation,as specified in Section 39 of the California Standard Specifications.The bituminous binder to be mixed with
<br /> mineral aggregate shall be paving asphalt having(Grade PG 64-10),unless otherwise directed by the Engineer.Placement of asphalt
<br /> concrete surfacing shall conform to the applicable provisions of Section 39 of the Califomia Standard Specifications.
<br /> 2.Aggregate Base:Combined mineral aggregates shall conform to the quality and the grading for three-quarter inch(3/4")maximum size aggregate
<br /> Class 2 Aggregate Base specified in Section 26 of the California Standard Specifications
<br /> :. Before acceptance of repairs to the County road rights-of-way,all unsightly and detrimental dirtdust and/or debris shall be removed and the
<br /> onstruction areas left in a neat and presentable condition(s).
<br /> 1.If necessary,County road traveled way and driveway pavements shall be washed with water to remove dirt 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 /> Upon request by the County,any settlement,sagging of surface,or cracking of pavement shalt be repaired immediately by and at the sole expense o€,
<br /> he'Permittee for a period of one year following acceptance of the work.. �
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