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GENERAL PROVISIONS
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<br />?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 thorougbfare(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 condition(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 flagmen, 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 />ntain
<br />C. Lights, signs and barricades shall be furnished, erected and maied 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 />rerdoved from the job site daily.
<br />STRUCTURES:
<br />A: Walls of structures shall be such quality and strength that they will resist ail pressures and will not crack or be deformed -in such a way as to create a
<br />iazard or maintenance problem at any time. Therefore, the minimum structural requirements for concrete pipe placed under County road rights-of-way shall
<br />deform 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, extra strength concrete pipe conforming to-AASHTO-Designation IA 170M.
<br />2. Por concrete pipe thirty-six inches (36") inside diameter and larger, reinforced concrete pipe conforming to AASHTO designation M 170M Class lIL
<br />3: Plastic pipe conforming to AASHTO Designation M 294.
<br />All 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 may -permitted under the Special Provisions.
<br />Cast -in-place coacrete. pipe, vitrified clay pipe, spiral welded steel pipe, or corrugated aluminum alloy pipe shall not be installed within the County road
<br />`ghts-of-way unless. specifically so stated in the Special Provisions, and only under the conditions as provided
<br />J. All structures to be buried within the County road rights-of-way shall beset at such elevations as to allow minimum coverage of thirty inches (30") to
<br />re 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 />Blow 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 />icluded Future surface_ elevations shall be.anticipated.as nearly as possible and structure elevations shall be established -for futureadjpstmentaccordingly.
<br />The County hereby reserves the right to specify in the Special Provisions the gage and surface trektment of any galvanized corrugated metal pipe that is to
<br />)e installed
<br />All longitudinal utility facilities are to be established (and dunerisioned on sketches). from surveyed centerline'of road right-of-way, not fromlight-of-way
<br />)order) lines.'
<br />REPAIRS OF THE COUNTY RIGHT-OF-WAY:
<br />All excavations shall be backfilled and compacted immediately after work therein has been completed
<br />Trenches shall not be left open farther than 300 feet in advance of pipe laying operations, or 200 feet to the rear thereof, unless otherwise permitted
<br />Y 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 />impaction 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 uniform 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 orjetting unless a maintenance bond is provide
<br />CI avel backfill material shall be utilized only where specifically so stated on the d
<br />face of the permit It shall be compacted by means of a high -frequency
<br />ternal.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 />9th of the lift
<br />All pavements, curbs, gutters, sidewalks, borrow ditches, pipes, head walls, road signs, trees, shrubbery, and/or other permanent road facilities
<br />rpaired 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 />All surfacing materials of roadways and driveway approaches cut or damaged by or as a result of construction operations, shall be replaced within
<br />YE WEEK following the backfilliag of excavation, weather permitting, with compacted layers of surfacing materials at least as thick as the existing and no
<br />;s 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") mazimum
<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. Placemeat of asphalt
<br />concrete surfacing shall conform to the applicable provisions of Section 39 of the California 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 dirt, dust and/or debris shall be removed and the
<br />nstruction areas left in a neat and presentable conditioa(s).
<br />1. rf aecessary, 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 shall be repaired immediately by and at the sole expense of,
<br />e Permittee for a period of one year following acceptance of the work.
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