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<br />SECTION 39
<br />ALTERNATE A
<br />SER * `
<br />ASPHALT CONCRETE. --Asphalt Concrete shall conform to B. Installation Whenever the work ceases for an reason the end of the pipe The Contractor shall submit for the Deputy's consideration
<br />the in Section 39, "Asphalt N
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<br />requirements Concrete," of the shall be securelyclosed with a ti fitting plug or cover. written information as to the type, size workmanshipand
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<br />Standard Specifications and these special provisions. The installation of street signs shall conform to the other specifications for the plastic liner he proposs to
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<br />following requirements: Whenever existing pipes are to be cut or abandoned, the open use on any installation. Approval of this submission by the
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<br />Asphalt concrete shall be Type Aggregate shall conform encs of said pipes shall be securely closed by a tight fitting Deputy shall be obtained prior to any material being
<br />to the 1/2 -inch maximum, coarse or medium grading as determined 1. Posts shall be driven or set into the ground to a plug or wall of concrete not less than 0.5 foot thick. delivered to the job site.
<br />by the Engineer and Director. At the Contractor s option, and depth of 30 inches at locations shown on the plans
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<br />with approval of the Engineer and Director, aggregate may be or as directed by the Engineer and Director. All joints shall be carefully cleaned on the inside. 2Vitrified clay sewer pipe shall conform to the
<br />3/4 -inch maximum, medium grading with the exception of the final specifications for e.xtra strength pipe of AASHTO
<br />finish course. 2. The bottom 10 inches of the posts shall be Stoppers for pipes and branches left unconnected shall be Designation: M 65 except that plain end pipe otherwise
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<br />flattened to prevent them from turning in the made of the same material as the pipe or of resilient joint complying in all respects with the said specification may be
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<br />Aggregateconforming to the 3/8 -inch maximum grading will be ground. material conforming to the requirements of ASTM Designation: used.
<br />for in driveways, dikes
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<br />permitted use and other areas with C'425. After placing the stop er, it shall be covered with a
<br />the Engineer Director. The requirements in the for the
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<br />approval of and layer of sealant.. The sealant shall be sufficiently fluid to specification scoring of
<br />C. Block Numbers
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<br />ensure free 'flow around the stopper. ends of the pipe, for the shape of the socket, and for the
<br />dimensions for the inside diameter the
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<br />The amount of asphalt binder to be mixed with the aggregate minimum of socket may
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<br />shall be between 5% and 7% b weight of the dr a re ate. The 1. Developer shall obtain block numbers from the San be waived with the approval of the Engineer when such waiver
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<br />Joaquin Count Development Department. conducive to the proper a lication of the joint to be
<br />exact amount of asphalt binder to be mixed with the aggregate q Y P P be in P P AP
<br />pipe shall encased et ce
<br />concrete, reinforced with concrete, or used.
<br />will be determined by the Engineer. The AR viscosity grade of
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<br />the asphalt binder shall be 4,000 unless otherwise shown on the 2. Block numbers shall be shown on the improvement backfilled with concrete in accordance with the details shown on
<br />the plans. The ends of the pipe shall be so formed that, when the pipes
<br />plans. The provisions of paragraphs 5 through 8 of Section 39- plans. A P A P P
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<br />3.03, "Proportioning," of the Standard Specifications, shall not Concrete for pipe encasement i e reinforcement and are laid together and joined, the pipe will form a
<br />interior
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<br />apply to this project. continuous ine with a smooth surface.
<br />PP Y P 7 backfill shall conform to the provisions in Section 90-10, "Minor
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<br />Concrete," of the Standard Specifications, except that the minor At the option of the Contractor, clay sewer pipe shall
<br />When the is in
<br />asphalt concrete to be produced a batch concrete shall contain not less than 470 pounds of cement per conform either to the absorption requirements of AASHTO
<br />SECTION 71 P P P ci
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<br />plent, the asphalt t concrete shall be proportioned and mixed by cubic yard. Designation: M 65 or to the permeability requirements as
<br />ALTERNATE A Y 9 P Y �
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<br />the automatic method. specified and as determined by California Test 672.
<br />STORM DRAINS. --This work shall consist of laying storm New manholes and storm drain inlets for storm drains shall
<br />When shown in the Engineer's Estimate prime coat, liquid Y g be constructed in accordance with the details shown on the plans, 3. Polyvinyl chloride (PVC} pipe shall conform to the
<br />drain in P
<br />as halt penetration rade shall be SC -70 or SC -250 as directed b pipe and constructing drainage structures accordance requirements in ASTM Designation: D3034 {SDR 35}
<br />P P g Y as specified in these special and as directed by the cN q
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<br />provisions
<br />the Engineer and Director. The placement of asphalt concrete with the details shown on the plans and as specified in these Engineer. Couplings and joints shall conform to the requirements in
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<br />shall not begin until 24 hours after the prime coat is applied_ special provisions. ASTM Designation: D3212.
<br />MATERIALS Precast concrete pipe manholes shall conform to the
<br />Paint binder (tack coat) shall be applied at a rate of provisions in Section 70 "Miscellaneous Facilities " of the 4. Acrylonitrile - butadiene - styrene (ABS) pipe shall conform
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<br />approximately 0.05 gallon per square and unless otherwise shown Alternative drain pipe shall conform to the requirements of to the requirements in ASTM Designation: 2 51-80 with
<br />PP Y g P q Y "Alternative Specifications.
<br />b
<br />Section 62, Culverts," of the Standard standard minimum wall thickness determined b SDR 35 for 4 inch and
<br />on the plans. y
<br />Specifications and these special provisions. Alternative drain 6 inch diameter pipe sizes.
<br />When the manhole is located in the pavementarea, it shall
<br />All steel -tired rollers shall be of the tandem type. The pipe will be designated by type the plans and in the P
<br />Engineer's Estimate. The equivalent kinds of pipe will be shown not be constructed to final grade until the pavement has been Eight inch through 15 inch diameter pipe sizes shall conform
<br />third paragraph of Section 39-5.02, "Compacting Equipment," of le
<br />the Standard Specifications, shall be deleted. on the plans for each type. The kind of pipe to be installed completed. to the requirements in ASTM Designation: D2680-80 with Type
<br />shall be at the option of the Contractor. OR or Type SC joints.
<br />No pipe shall project more than foot into manhole and
<br />The dumping of material in a windrow, in accordance with e b e
<br />The kinds of pipe for alternative drain pipe shall conform in no case shall the bell of a pipe be built into the wall of a 5. High Density Polyethylene (HDPE} Pipe - pipe and fittings
<br />39-6nslg "General A A. P P
<br />Section Requirements," of the Standard manhole or structure. shall be made of high density, hi h molecular weight, Type
<br />to the following provisions:
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<br />Specifications, shall be limited to 750 feet in advance of the III, Class C, Category 5, Grade P 4 polyethylene meeting the
<br />paving machine. All. concrete shall be cured for a period of not less than requirements of ASTM D1249 and ASTM 894 unless specified
<br />1. Reinforced concrete pipe shall conform to the A
<br />otherwise herein. Wall configurations and thicknesses shall
<br />„ requirements of Section 65 "Reinforced Concrete Pipe," 10 days after being placed and shall be protected from damage. 9
<br />The sixth in Section 39-6.01, General q + P � meet the deflection requirements of this section. Crushing
<br />paragraph
<br />Requirements," of the Standard Specifications, shall be amended of the Standard Specifications. and buckling strengths shall exceed that required from the
<br />Storm drain work performed in accordance with these special
<br />loads anticipated. Pipe selection and deflection design
<br />by deleting the second footnote, which reads, "At the option of rovisions will be desi nated in the contract item b size p p g
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<br />Bituminous lined and unlined corrugated steel pipe shall shall also be based upon a pipe stiffness not less than 20
<br />the Contractor, [0.25' overlay] may be laced in one layer
<br />Y Y p y "Corrugated thickness, quality, or whatever information is necessary for
<br />" conform to the provisions in Section 66 si and a modulus of soil reaction no reater than 1400.
<br />0.25 thick. a g
<br />identification.i e stiffness shall be tested prior to installation in
<br />Metal Pipe, of the Standard Specifications. p
<br />accordance with ASTM D2412 with a 5% deflection at a rate of
<br />3. Plastic pipe shall conform to the requirements of 1/2 inches per minute.
<br />The tenth paragraph of Section 39-6.03, "Compacting," of the Section 64, "Plastic Pipe," of the Standard
<br />SECTION 73 6. Cast iron pipe and fittings shall conform to the
<br />Standard S ecifications allowing the use of "alternative Specifications and these special provisions.
<br />P g ALTERNATE A specifications of ASTM Designation: A 74, or of Cast Iron
<br />compacting equipment" shall be deleted. Soil Pipe Institute Standard No. 301.
<br />Plastic pipe shall be smooth interior wall type.
<br />CONCRETE CURBS AND SIDEWALKS. --Concrete curbs and
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<br />Unless otherwise shown on the lans, asphalt paver equipment sidewalks shall conform to the requirements in Section 73 when joints are caulked with lead and packing, the lead
<br />lace 4. Polyvinyl Chloride (PVC) drain pipe shall conform to the 'Concrete be i lead less
<br />used to asphalt concrete shal be e ui ped with full shall containing not than 99-1/2% metallic
<br />P p equip l Curbs and Sidewalks," o the Standard Specifications, pig g
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<br />automatic screed and grade sensing controls which shall control requirements ASTM Designation: D3034 (SDR 35). the Standard Drawings and these special provisions. lead.
<br />Couplings and joints shall- conform to the requirements
<br />in ASTM Designation: D3212. "Handicap Ramp" shall be considered the same as "Curb Ramp" Packing shall consist of long fibers of best quality ]late or
<br />the longitudinal transverse the
<br />grade and slope of screed. The in the Standard Specifications and these special provisions. hemp, woven into strands of proper length, and kept clean.
<br />be by Portland cement used in the A braided having
<br />controls shall actuated grade and slope references. production of concrete products In lieu of the requirements of Section 73-1.05; weakened packing consisting of a jacket and a jute
<br />Corrections on account of deviations from the references shall be set forth in these special provisions shall conform to the lane joints shall be constructed at intervals shown on the core may be used in lieu of jute packing.
<br />Standard
<br />automatic. Guides and references required to control the provisions in Section 90, "Portland Cement Concrete," of the Drawings.
<br />longitudinal grade and transverse slopes shall be furnished and Standard Specifications.
<br />installed by the Contractor. Where curb and gutteris constructed, driveways shall
<br />,only
<br />In re arinq the pipe for caulking, the pipes shall be
<br />Cement mortar shall conform to the provisions in section be placed monolithically with the curb and gutter or shall P P b P P g P P
<br />seated and the driven tightly to the base
<br />Should the Contractor elect to use a ski device for 65-1.06, "Joints," of the Standard Specifications. conform to one of the following alternatives: utted and packing
<br />longitudinal control, the minimum length of the device shall be of the socket so as to entirely encircle the pipe for
<br />30 feet. The device shall be a rigid unit mounted on multiple Rubber asketed joints shall conform to the provisions in (a) Dowels (5/8 inch diameter by 24 inches long) spaced at one-quarter the depth of the socket, in order to prevent
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<br />JJoints,
<br />supports. Each support shall act Independently of others and the Section 65-1.06, „ of thy:; Standard Specifications. 4 foot- intervals. joint compound flowing through into the pipe.
<br />finished grade shall not be affected by the action of a single (b) Keywa, constructed as shown on Standard Drawings or Portland cement used in the production of concrete products
<br />support. Joints shall be required to meet the watertightness 2 incLs in height and one inch idepth minimum. set forth in this Section shall conform to the revisions in
<br />requirements Section 61-1.02, "Performance Requirements for "Portland
<br />of Section 90,
<br />Cement Concrete," of then andard
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<br />When asphalt concrete gutters are designated on the plans, a Culvert and Drainage Pipe Joints," of the Standard A uniform color shall be maintained by the addition of Specifications.
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<br />stringline or wire grade reference shall be required to control Specifications. one pound of lamp black per cubic yard of concrete for curb,
<br />longitudinal grade of the gutter. The gutter shall be water gutter and sidewalk construction. Cement mortar shall conform to the provisions in Section
<br />tested before acceptance. The maximum deviation from a true Miscellaneous iron and steel items shall conform to the 65-1.06, Joints, of the Standard Specifications.
<br />grade shall not result in ponding water for depth exceeding provisions in Section 75, "Miscellaneous Metal," of the Standard' Walkway and driveway approaches providing access to private Prior to caulkingvitrified clay with cement mortar,
<br />Specifications.
<br />0.04 foot- pipe
<br />that are constructed behind new sidewalk shall be Y r P
<br />property not more than one-third the annular space shall first be caulked
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<br />Surfacing operations shall be conducted in such a manner Reinforcement shall conforru to the provisions in Section 52, colored and textured as required to match the existing facility. with jute pre -dipped in cement slurry.
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<br />that, at the end of each day's work, the distance between the "Reinforcement," of the Standard Specifications. All concrete gutters shall be water tested for drainage Hot -poured compounds and primers consisting of bituminous or
<br />ends of adjacent surfaced lanes shall not be greater than can be before acceptance. The maximum deviation from a true grade shall
<br />al tar and used for bell type
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<br />completed in the following day of normal surfacing operations. Concrete shall conform ro the provisions in Seetion 51 not result ur ponding water for a depth exceeding 0.02 foot. products, caulking and spigot
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<br />"Concrete Structures," and Section 90 "Portland Cement vitrified clay pipe, shall be of the type recommended by the pipe
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<br />Portable delineators in conformance with Section 12-3.04, Concrete," of the Standard Specifications. Concrete for storm Ground area to be used for landscaping purposes, which has manufacturer for the purpose intended.
<br />"Portable Delineators," of the Standard Specifications shall be drain structures shall be Class A unless otherwise shown on the been excavated or is below finished grade shall be backfilled
<br />imported The primer shall be applied to the spigot and inside of the
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<br />with selected material or topsoil free of stones
<br />furnished and placed at a maximum spacing of 300 feet on tangents plans. P A „ „ bell at least 24 hours before the joints are poured. The
<br />P conforming to the provisions of Section 1, Topsoil, of 7
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<br />and 100 feet on curves alongan edge of new surfacing which has
<br />Y g g the Standard Specifications and these special provisions, unless surfaces shall be dry before applying the primer.
<br />special
<br />at drop off of more than 0.10 foot. Delineators shall beINSTALLATION
<br />otherwise shown on the plans.
<br />staggered when required on both sides of traffic. Excavation and backfill to the in The joints of vitrified clay shall be caulked with dry
<br />Shall conform provisions pipe
<br />Section 19C, "Earthwork (Structure Excavation and Backfill)," ofjute prior to pouring the hot compounds. The compound shall be
<br />Existing pavement markers shall be removed and disposed of, these special provisions. heated to the temperature recommended by the manufacturer.
<br />unless otherwise shown on the plans.
<br />The pipe shall be laid i.n a trench excavated to the lines A SECTION 71 Flexible com pression oints in vitrified clay i e and
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<br />ALTERNATE B �
<br />resilient joint materials o be used therein shal conform to the
<br />During the removal of ceramic type tavement markers, and grades designated by the Engineer. The bottom of the trench
<br />screens, or other protective devices shall be furnished to shall be graded and prepared to provide a firm and uniform requirements of ASTM Designation: C 425.
<br />contain any fragments as provided for in Section 7-1.09, "Public bearing throughout the entire- length of the pipe barrel. SEWERS. --This work shall consist of laying
<br />Safety," of the Standard Specifications. sanitary seewerwerSANIpipe and constructing sewer structures in Rubber gasketed joints shall conform to the provisions in
<br />Suitable excavation shall be made to the bell the accordance with the details shown on the plans, as specified in Section 65-1.06, "Joints," of the Standard Specifications,
<br />receive of
<br />and the joint shall not bear upon the bottom of the trench. these special provisions and as directed by the Engineer.
<br />SECTION 56 pipe J P Miscellaneous iron and steel items shall conform to the
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<br />All adjustment to line and grade shall be made by scraping away MATERIALS rovisions in Section 75, "Miscellaneous Metal," of the Standard
<br />filling
<br />STREET SIGNS. --Attention is directed to Section 56 of or in with sand, gravel, or granular material under the Alternative sewer pipe shall conform to the requirements of Specifications.
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<br />the Standard Specifications, the Standard Drawings and these body of the pipe, and not b, wedging or blocking. Section 62, "Alternative Culverts," of the Standard
<br />special provisions. Reinforcement shall conform to the provisions in Section 52,
<br />P P Trenches shall not be L ft open farther than 300 feet in Specif:i_cations and these special provisions. Alternative sewer "Reinforcement," of the Standard Specifications.
<br />pipe will be designated by type on the plans and in the
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<br />A. Materials advance of pipe laying operations or 200 feet to the rear Engineer's Estimate. The kinds be
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<br />equivalent pipe will shown Concrete shall conform to the provisions in Section 51,
<br />thereof, unless otherwise permitted by the Director. on the plans for each type. The kind of to be installed "Concrete "Portland
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<br />pipe Structures," and Section 90, Cement
<br />The various materials or fabrications thereof shall shall be at the option of the Contractor. Concrete,"
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<br />of the Standard Specifications. Concrete for sewer
<br />conform to the following requirements: `PYie excavation shall be supported so that: :it will be safe P
<br />and that the ground alongside the excavation will not slide or structures shall be Class A unless otherwise shown on the plans.
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<br />settle, and all existing improvements, either on public or The kinds of pipe for alternative sewer pipe shall conform
<br />1. Street signs shall have a horizontal dimension of to the following
<br />provisions
<br />24 inches, 30 inches or 36 inches and a vertical private property, will be fully protected from damage.
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<br />dimension of 6 inches. 1. Reinforced concrete pipe shall conform to the requirements
<br />All supports shall be removed after construction is of Section 65, "Reinforced Concrete Pipe," of the Standard
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<br />2. Street signs shall be completely reflectorized on completed, unless otherwise directed by the Engineer, and shall
<br />g P. Y Specifications.
<br />be withdrawn in a manner that will the caving of the
<br />a double face flat blade sign_ prevent
<br />sides of the excavation. Ali- openings caused by the removal of The full three hundred and sixty degrees (360°) of the
<br />3. Street sign shall be anodized aluminum with a supports shall be filled with suitable material- properly
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<br />interior circumference of all reinforced concrete pipe shall
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<br />thickness of .080 inches. compacted. be sealed and protected with ti polyvinyl chloride resin
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<br />Backfill or pipe trencne_j may be laced while the joint lining. Copolymer resins will not be permitted.
<br />9. The legend for street signs shall be white letters P P � P,
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<br />on a green background. mortar is still plastic. Should he joint mortar become set `Phe Mastic liner shall be impermeable to sewage gases and
<br />before the backfill is backfilling the trenches
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<br />placed, pipe liquids and shall not be conducive to bacterial or fungus
<br />5. Street sign posts shall be long enough to provide shall not be commenced within 16 hours of Jointing the pipe growth. The lining shall be impact resistant, flexible, and
<br />a minimum height of 7 feet from the base of the sections. shall have an elongation sufficient to bridge up to 1/8"
<br />post to the bottom of the lower sign, an overall settling cracks, which may take place in the pipe or in the
<br />height 10 feet 30 inches Pipe shall be during handling against impact
<br />maximum of and embedment protected joint after installation, without damage to the lining.
<br />in the ground. shocks and free fall.
<br />thapermanently and
<br />shall be of a type concrete
<br />6. Posts shall be galvanized st el pipe, extra strong The pipe shall be laid without break upyi:ade from structure Y
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<br />11 embedded into t e concrete i e wall by the
<br />physically p
<br />to structure, with bell end upgrade for bell and spigot ti e p
<br />and 2 inches nominal diameter. PP mechanism and shall not rel on an adhesive bond
<br />unless otherwise permitted by he Engineer with Director s een the linin and i e wall.
<br />between g pipe
<br />SHEET
<br />approval.
<br />PP
<br />Dpipe shall be connected to existing facilities as The Lining at all pipe joints, and at all joints between
<br />Drain A P individual sheets or sections of lines, shall be
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<br />shown on the plans and as directed by the Engineer with continuously heat welded by the use of welding strips of the
<br />Director's approval. same, kind and equivalent thicknes f the material as the
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<br />lines.
<br />COPYRIGHTO 2006 MCR ENGINEERING
<br />OF 15 SHEETS+'
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<br />UJ 14kbA
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