808Pipe

Pipe

808.1Reinforced Concrete Pipe

808.1.1 General

1 For reinforced concrete pipe, provide and use in accordance with Table 808.1.1-1, Reinforced Concrete Pipe Specifications.

Table 808.1.1-1 Reinforced Concrete Pipe Specifications Material AASHTO Specification Circular Pipe and FE M 170 [M 170M] Elliptical Pipe and FE M 207 [M 207M] Pipe Arch and FE M 206 [M 206M]

2 For circular pipe, the department considers pipe wall design and the use of elliptical reinforcement optional.

3 For precast flared ends, provide and use sections in accordance with requirements for the pipe size and type provided, with equivalent wall thickness, concrete, and reinforcement as specified therein for class II, A-II, or HE-II.

4 The engineer will approve reinforced concrete pipe in accordance with section 5.1.2, under the above-mentioned AASHTO specifications, modified as follows:

5 The engineer will determine acceptability of pipe in all diameters and classes by compression tests on concrete cores or cured concrete cylinders; by absorption tests on selected samples fr om the wall of the pipe; by materials certifications for materials required by sections 5, “Basis of Approval,” and 6, “Materials”; by results of materials tests required in accordance with section 7, “Design”; and by inspection of the finished pipe, including the quantity and placement of reinforcement, to determine its conformance with the design specified.

6 Ensure that plants producing RCP and HERCP are certified in accordance with Subsection 603.4.1, General.

808.1.2 Manhole Risers and Tops

1 As specified, provide precast, reinforced-concrete manhole risers and tops in accordance with AASHTO M 199 [AASHTO M 199M].

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808.1.3 Reinforced Concrete Pipe, Type V Cement with Fly Ash

1 Use cement meeting the requirements of Subsection 801.1.2, Type V Portland Cement, and class F fly ash meeting the requirements of Subsection 801.2, Fly Ash. Use 20 to 30 percent fly ash by weight [mass].

808.1.4 Epoxy Coated Reinforced Concrete Pipe

1 Prior to the application of the epoxy coating, prepare the interior and exterior surfaces of the reinforced concrete pipe in accordance with the requirements of Joint Surface Preparation Standard SSPC-SP 13/NACE No. 6, Surface Preparation of Concrete, Table 1, Severe Service, moisture content per ASTM D 4263. Epoxy coat the interior and exterior surfaces of the reinforced concrete pipe in accordance with the requirements of SSPC-PS 13.01, Epoxy Polyamide Painting System, except section 4.

808.2Reinforced Concrete Stock Passes

1 For reinforced concrete stock passes, provide and use sections made and with materials in accordance with AASHTO M 170 [AASHTO M 170M]. Determine stock pass-section classes in accordance with fill height requirements and the fill height table specified. Provide flared end sections made in accordance with the same requirements, except that the department requires only one reinforcement cage for the open portion.

808.3Reinforced Concrete Siphon Pipe

1 For reinforced concrete siphon pipe, provide and use pipe in accordance with and in classifications meeting ASTM C 361M. For siphon drains, provide and use type PSM polyvinylchloride (PVC) pipe with cemented joints in accordance with ASTM D 3034.

808.4Plastic Pipe for Underdrain

808.

4.1General

1 For plastic underdrain, provide and use PVC or polyethylene (PE) pipe and fittings in accordance with Table 808.4.1-1, Plastic Pipe Specification Requirements.

Table 808.4.1-1 Plastic Pipe Specification Requirements Type of Pipe Pipe and Fitting Specification Class of Pipe & Fittings Perforation Specification PVC ASTM D 3034 SDR 35 ASTM D 2729 Corrugated PVC AASHTO M 304 - AASHTO M 304 Corrugated PE AASHTO M 252 TypeS (1) AASHTO M 252 AASHTO M 294 TypeS AASHTO M 294

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2 For PVC bushings and saddle connections, provide and use commercial-grade solvent cement and primer made specifically for use with PVC and PE pipe and fittings.

808.4.2 Hardware Cloth for Drains

1 For drains, provide and use 6-mesh wire hardware cloth made from galvanized steel or commercial-grade aluminum-alloy wire with a minimum diameter of 0.0029 in [760 µm] before galvanizing.

808.5Corrugated Steel Pipe and Pipe Arches

808.5.1 General

1 Identify culverts by stamping each section as outlined in AASHTO M 218.

2 Provide and use conduit and coupling bands in accordance with AASHTO M 36 [AASHTO M 36M] and AASHTO M 218.

3 Ensure that damage incurred in fabrication is repaired before shipment. Ensure that damaged spelter coating is repaired in accordance with Subsection 603.4.8, Repair of Damaged Coating, and that polymeric coating is repaired by coating the damaged area with a similar and compatible polymeric coating.

808.5.2 Fabrication

1 When specified, ensure that the vertical diameter of round pipe is shop -elongated by 5 percent.

2 Ensure that pipe fabricated with resistance-spot-welded seams is in accordance with AASHTO M 36 [AASHTO M 36M], modified as follows:

weld-nugget diameters, center to center.

weld and no base metal is exposed when the area adjacent to the weld is wire brushed. The department does not consider discoloration of spot weld surfaces cause for rejection.

3 For pipe with helical seams, fabricate pipe so that seams will not affect the pipe’s shape, nominal diameter, or strength. The engineer will reject pipe with seams indicating slippage or unraveling.

4 Reroll the ends of helical pipe to produce at least two annular corrugations.

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5 The engineer will accept butt-welded joints at sheet ends if a good weld is made and damaged spelter coating is repaired as specified; sawed ends are allowed.

808.5.3 Corrugations

1 Ensure that the following specified corrugations are in accordance with AASHTO M 36 [AASHTO M 36M] and M 218:

2 Ensure that corrugations specified as 3 in × 1 in [75 mm × 25 mm] are from 2¾ in to 3 in [70 mm to 85 mm], center to center, with a depth of at least 1 in [25 mm].

808.5.4 Bituminous-Coated Corrugated Steel Pipe and Pipe Arches

1 Provide and use conduits and coupling bands coated in accordance with AASHTO M 190 for the type of bituminous coating. When no coating type is specified, use AASHTO M190, type A. Fully coat coupling bands.

808.5.5 Corrugated Steel Pipe for Underdrains

1 As specified for underdrains, provide and use corrugated steel pipe in accordance with AASHTO M 36 [AASHTO M 36M] for the specified sizes; any one of the four classes may be provided.

808.5.6 Bituminous-Coated Corrugated Steel Pipe for Underdrains

1 As specified for underdrains, provide and use bituminous-coated corrugated steel pipe coated in accordance with AASHTO M 190, type A (but to a coating thickness of at least 0.03 in [760 µm]). Fully coat coupling bands. Ensure that perforations meet the specified minimum diameter after coating.

808.

5.7Polymeric-Precoated Galvanized Steel Pipe

1 Provide and use polymeric-precoated galvanized steel pipe in accordance with AASHTO M 245M and AASHTO M 246M with a polymeric coating at least 10 mil [255 µm] thick inside and outside. Make the pipe with helical lock seams; do not rivet or weld seams.

2 Provide and use coupling bands and flared ends that are galvanized and coated with bituminous material.

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808.5.8 Aluminum-Coated Pipe

1 Provide and use aluminum-coated pipe in accordance with AASHTO M 36 [AASHTO M 36M] and AASHTO M 274, joined with bands of the same base metal and coating.

808.6Corrugated Aluminum-Alloy Pipe

1 As specified for culverts and underdrains, provide and use corrugated aluminum -alloy pipe in accordance with AASHTO M 196M and AASHTO M 197 M. Ensure that corrugations specified as 2 in × ½ in [68 mm × 13 mm] are in accordance with AASHTO M 196M.

808.7Corrugated Metal Units

1 Provide and use corrugated steel units made from galvanized steel sheet in accordance with AASHTO M 36 [AASHTO M 36M]. When used in conjunction with nongalvanized pipe, provide corrugated metal units that are bituminous -coated in accordance with AASHTO M 190, type A.

2 As specified, provide and use aluminum alloy units made from aluminum alloy sheets in accordance with AASHTO M 196M.

3 When used in conjunction with siphons or when specified for watertight installations, provide units with joints sealed by close- riveting, welding, soldering, gasketed bands, or other approved means.

808.8Structural Plate Pipe

1 Provide and use structural plate pipe in accordance with AASHTO M 167M. Ensure that corrugations specified as 6 in × 2 in [150 mm × 50 mm] are from 5¾ in to 6¼ in [146 mm to 158 mm], center to center, with a depth of from 2 in to 2¼ in [50 mm to 56 mm]. Ensure fabrication as follows:

gauges and dimensions specified; for circular structural plate pipe, ensure a factory-formed 5 percent elliptical.

For p ipe arches, ensure that plates form a cross-section made up of four circular arcs tangent to each other at their junctions and symmetrical about the vertical axis. Ensure that the top is an arc of from 155 to 180 degrees, the bottom is an arc of from 10 to 50 degrees, and that the top is joined to the bottom by an arc of from 75 to 87.5 degrees, with a radius of at least 16 in [400 mm].

For plates cut for forming skewed or sloped ends, ensure that burned edges are free from oxide and burrs. Place legible identification numerals on each

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component plate to designate its position in the finished structure. Stagger joints so that no more than three plates come together at any one point.

and curvature, and with the same number of bolts per 12 in [300 mm] of seam length, are interchangeable . Stagger bolt holes along longitudinal seams in two rows, 2 in [50 mm] apart, with one row in the valley and one row in the crest of corrugations. Space holes along circumferential seams no more than 12 in [300 mm] apart. Ensure that the distance from the center of the hole to the plate edge is at least 1.75 times the bolt diameter. In longitudinal seams, ensure that hole diameter does not exceed bolt diameter by more than ⅛ in [3 mm].

808.9Aluminum-Alloy Structural Plate Pipe

1 Provide and use pipe in accordance with AASHTO M 196M and AASHTO M 219M and made from plates formed and punched in accordance with Subsection 808.8, Structural Plate Pipe.

808.10Corrugated Steel Siphon Pipe

1 Provide and use corrugated steel siphon pipe in accordance with AASHTO M 245M and AASHTO M 246M.

808.11Welded Steel Siphon Pipe

1 Provide and use welded steel siphon in accordance with American W ater W orks Association (AWWA) C200, with an inside protective coating in accordance with AWWA C203, C205, or C210, and an outside protective coating in accordance with AWWA C203, C210, or C214. With the State Bridge Engineer’s approval, other coatings may be used.

808.12Ductile Iron Water Pipe

1 Provide and use ductile iron water pipe in accordance with AWWA C151 and with mechanical joints in accordance with AWWA C111. Provide pipe bends and fixtures made from ductile or cast iron, class 250, in accordance with AWWA C110, and with mechanical joints in accordance with AWWA C111. Ensure that pipe and fixtures are cement-mortar- lined in accordance with AWWA C104, that valve boxes are cast-iron with a diameter of 5¼ in [135 mm], and sufficiently long for the pipe depth. Provide cast iron covers with “WATER” stamped on top and a directional arrow for the valve opening.

808.13Nestable Metal Pipe

1 Provide and use pipe and pipe arch made from corrugated metal sheets in modular, half-round sections with side flanges or fasteners for in-place assembly.

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808.14Pipe Joint Mortar

1 Provide and use mortar consisting of one part portland cement, two parts approved sand, and water as necessary to obtain the required consistency.

808.15Preformed Flexible Joint Sealants

1 For concrete pipe, provide and use preformed flexible joint sealants in accordance with AASHTO M 198 (ASTM C 990). For steel pipe, provide and use in accordance with AASHTO M 36 [AASHTO M 36M].

808.16Steel Mitered End Sections

1 Use galvanized steel sheet metal in accordance with AASHTO M 218M. When a grate is specified, provide and use schedule 40 galvanized steel pipe grate bars in accordance with Subsection 815.5, Steel Pipe.

808.17Slide Gates

1 Provide commercially prefabricated, corrosion-resistant slide gates of the size corresponding to the opening provided by the pipe and designed to operate and be watertight under the specified head of water. Ensure slide gates use a steel frame at least ¼ in [6 mm] thick and adjustable cast iron wedge blocks to ensure a proper seating closure.

808.18High Density Polyethylene (HDPE)

1 Provide HDPE pipe and fittings for diameters up to 36 in [900 mm] diameter meeting the requirements of the current edition of AASHTO M294 for TypeS consisting of a full circular cross section, with an outer corrugated pipe wall and an essentially smooth inner wall. Furnish HDPE pipe in accordance with Table 808.18-1, High Density Polyethylene (HDPE).

Table 808.18-1 High Density Polyethylene (HDPE) Nominal Diameter

Area of Pipe Wall (in2/in) [mm2/mm] C

Moment of Inertia (in4/in) [mm4/mm] 18 [450] 0.244 [6.20] 0.575 [15] 0.075 [1229] 24 [600] 0.309 [7.85] 0.720 [18] 0.146 [2393] 30 [750] 0.370 [9.40] 0.891 [23] 0.276 [4523] 36 [900] 0.383 [9.73] 0.947 [24] 0.316 [5178]

2 Provide pipe with joints having a bell and spigot or bell -bell design which are soil tight unless water tight joints are specified in the contract.

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3 Provide certifications in accordance with Subsection 800.1, Manufactured Product Certifications, which include the resin material cell classification, unit weight, average pipe stiffness and date of manufacture along with certification that the product meets the specifications.

4 Furnish HDPE from pipe manufacturing facilities that participate in the AASHTO National Transportation Product Evaluation Program (NTPEP). Ensure the manufacturer’s product meets or exceed the requirements set forth in that evaluation and in accordance with the requirements in this section. All HDPE 18 in [ 450 mm] and larger must contain the appropriate program mark, either an official label or permanent affixation prior to shipment.

808.19V acant

808.20Polyvinylchloride Pipe – Smooth Wall

1 Furnish 4 in [100 mm] to 48 in [1200 mm] diameter pipe conforming to AASHTO M 278 and minimum cell class, ASTM D 1784, 12454 or 12364.

808.21Polyvinylchloride Pipe Profile Wall

1 Furnish 4 in [100 mm] to 36 in [900 mm] diameter pipe conforming to AASHTO M 304 and minimum cell class, ASTM D 1784, 12454 or 12364.