|
GENERAL PROVISIONS-'
<br /> J YER t2xT0 NSA'Tr•ATiVi`(0FSro SURRkQE STRUCTL rvSi's1.lL p1pELa;ES=YTi1-HN COUNTY
<br /> rTYDOr,�-P.Tv LTT`��71R_C'rti�V
<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 thoroughfares)involved,and shall provide access for vehicular and
<br /> pedestrian traffic to and from the road- win
<br /> I Unless otherwise,pmmitred,all work shall be conducted in such a manner that no less than one lana of the existing County road traveled way be
<br /> maintained to public traffic during working hours in a smooth and safe riding condrtion(s).Two lanes shall be open after wanking 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-fie following
<br /> persons and/or as acres of the time,the period of closure,and the detour route at least twenty-four(24)hours prior to said mad closure.
<br /> a.The County of San Joaquin Public Works Department d.The local fare district
<br /> b.The County of San Joaquin Sheriffs Office. e_The local school district
<br /> c.Tht local postal service . - f.The local residents involved
<br /> B. Should hazardous conditions relative to the installation operations warrant flagman,as many capable flagmen as may be necessary shall bt provided
<br /> Dy the Permittee and stationed in advance of work to warn and direct traffic.
<br /> Lights,signs and barricades shall be furnished,erected and maintained by the Permittee for the adequate warning and convenience of tare public,with
<br /> DarticaIar afteatioa to be taken in this reg-ard 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,snail be
<br /> -tmbved from the job site daily.
<br /> STRUCTURES: -
<br /> !i 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 /> azard or maintenance problem at any time.Therefore,the minimum structural requirements for concrete pipe placed under County road rights-of-way shall
<br /> onform to tae following American Association of State M-ghway.and T�aasportadon Officials(AASKTO)des gnations.
<br /> 1.For concrete pipe up to and including thirty three inches(33")inside(Tiametrz,extra strength concrete pipe conforming to'AASHT0 DLsignadon.M 170M_
<br /> 2.Por concrete pipe thirty-six inches(36")inside diameter and larger,reinforced concrete pipe conforming to AASHTO designation M 170M Class IIL
<br /> 3:Plastic pipe conforming to AASHTO Designation M 294.
<br /> Az concrete pipe joints within County road rights-of-way shall be sealed anga t leakage and/or infiltration with rubber gasket in conformance with
<br /> ection 65-1.06 of the California Standard Specifications,or with oilier methods as may'permitted under the Special Provisions.
<br /> Cast-in-place concrete pipe vitrified clay pipe,spiral welded steel pipe,or corrugated aluminum aIloy.Pipe shall not be installed within the County mad
<br /> _i hts-of-way unless.specifrcally so stated in fire Special Provisions,and only under the conditions as provid:&
<br /> J. 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'q to
<br /> ie 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 establisbed
<br /> elow a fiat plant extending across the rights-of-way,no part of which shall extend above the eievations stated above;manholes,lampholes,valves.e=not
<br /> icluded.Future surface-elevations shall be.anticipated.as nearly as possible and structure dcvatioas shall be established.forfirture,adjncrmenr accoi Jingly.
<br /> The County hereby reserves the right to specify in the Spedial Provisions the gage and surface treatment of any galvanized cosen�ated metal pipe that is to
<br /> ie installed
<br /> All longitudinal mdat�,facilities are to be established(and dimensioned on sketches)from surveyed-ceaterine'of mad right-of-way,not from.tight-of-way
<br /> 3order)lines.'
<br /> PEPAIRS OF THE COUNTY RI(TIE-OF-WAY:
<br /> All excavations shall be backfilled and compacted im nbeliately after work therein has been compieted_
<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 /> 9mpactioa 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 tht excav tions)shall bt compacted by ponding or jetting unless a maintenancebond is provided-
<br /> Crraval backfill material shall be utilized only where specifically so stated on the face of the ptamit It shall be compacted by means of a bigh-frequency
<br /> iterual_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 /> epdi of the lift
<br /> 'r. All pavements,curbs,gutters,sidewalks,borrow ditches,pipes,head walls,mad signs,trees,sbrubbcry,and/or other permanent road facilities
<br /> apaired 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 /> stomd=rsmmediately upon backfilling of tint excavation to the original grades and cross sections,and to a condition as good as,or better than existing prior
<br /> construction.
<br /> L An surEecing materials of roadways and driveway approaches cut or damaged by or as a result of construc'aou operations,shall be replaced within
<br /> NE WEEK following the back:dMag of excavation,weather permitting,with compacted layers,of surfacing materials at least as thick as the existing,and no
<br /> ss thaa two inches(2")of asphalt concrete over six iuchts(6")of aggregate base,both as.speHfied below.
<br /> i.Asphalt Concrete:Combined mineral aggregate shall conform to the quality and gradation requirements for Type`B"one-half(Il2")maximum
<br /> aggregate,coarst or medium gradation,as specified in Section 39 of the California Standard Spe--zficafions.The bituminous binder to be mixed with
<br /> mineral aggreo'ate shall be paving asphalt having(Grade PG 64-10),unless otherwise directed by the Engineer.Place—meat of asphalt
<br /> concrete surfacing shall conform to the applicable provisions of Section 39 of the California Standard Specifications.
<br /> 2. kggr o.-am Base:Combined mineral aggregates shall conform to the quality and the grading for threw-quarter inch(3/4")maximum size aggregate
<br /> Class 2 Aggregate.Bast specifieddn Section 25 of the California Standard Specifications
<br /> Before ar=pti-i=of repairs to the County road rights-of-way,all unsightly and deterental dirt,dust and/or debris shall be removed and the
<br /> rastrucxion areas left in a near and presentable conditioa(s).
<br /> L 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 hanks shall be repaired as directed by the Enginecr.-
<br /> Upon regaest by tht County,any setrlement se,�n v of surface,or cracking of pavement shall be repaired in=jeffiattly by and at the sole expanse of,
<br /> re Permitite for a period of one year following acceptance of the work 1
<br /> I
<br />
|