DRAINAGE PIPE
PART 1 GENERAL
1.1SECTION INCLUDES
A.Pipe used to convey surface water and stormwater by gravity flow.
1.2RELATED SECTIONS
A.Section 02056: Embankment, Borrow, and Backfill
B.Section 02317: Structural Excavation and Backfill
C.Section 03055: Portland Cement Concrete
1.3REFERENCES
A.AASHTO M 170: Reinforced Concrete Culvert, Storm Drain, and Sewer
Pipe
B.AASHTO M 196: Corrugated Aluminum Pipe for Sewers and Drains
C.AASHTO M 207: Reinforced Concrete Elliptical Culvert, Storm Drain and
Sewer Pipe
D.AASHTO M 243: Field-Applied Coating of Corrugated Metal Structural
Plate for Pipe, Pipe-Arches, and Arches
E.AASHTO M 245: Corrugated Steel Pipe, Polymer Precoated, for Sewers
and Drains
F.AASHTO M 294: Corrugated Polyethylene Pipe, 300- to 1500-mm (12- to
60-in.) Diameter
G.AASHTO M 304: Poly (Vinyl Chloride) (PVC) Profile Wall Drain Pipe and
Fittings Based on Controlled Inside Diameter
H.AASHTO M 330: Polypropylene Pipe, 300- to 1500-mm (12- to 60-in.)
Diameter
Drainage Pipe
I.AASHTO M 335: Steel-Reinforced Polyethylene (PE) Ribbed Pipe, 300-
to 1500-mm (12- to 60-in.) Diameter
J.AASHTO MP 40: Steel-Reinforced Polyethylene (PE) Ribbed Pipe, 1650-
to 3000-mm (66- to 120-in.) Diameter
K.AASHTO R 82: Pipe Joint Selection for Highway Culvert and Storm Drains
L.ASTM C 443: Joints for Concrete Pipe and Manholes, Using Rubber
Gaskets
M.ASTM C 990: Joints for Concrete Pipe, Manholes, and Precast Box
Sections Using Preformed Flexible Joint Sealants
N.ASTM D 1056: Flexible Cellular Materials—Sponge or Expanded Rubber
O.ASTM F 477: Elastomeric Seals (Gaskets) for Joining Plastic Pipe
1.4DEFINITIONS
A.Deflection – Deviation from a pipe’s original shape.
B.NASSCO – National Association of Sewer Service Companies.
C.Nominal Diameter – Inside diameter of the pipe specified.
D.Pipe Interior Roughness:
1.Corrugated – Interior surface that is formed into a series of
alternating crests and valleys with a Manning’s “n” coefficient greater than 0.013.
2.Smooth Lined – Interior surface that is essentially smooth, with a
Manning’s “n” coefficient less than or equal to 0.013.
E.Profile Wall Pipe – Pipe that has a smooth interior wall with an exterior
that is either is ribbed, corrugated, or smooth.
1.The wall may contain hollow cores.
F.Spring Line – Location of the maximum horizontal dimension of a pipe.
G.Thermoplastic Pipe – Pipe made from plastic materials such as HDPE,
PVC, and Polypropylene.
Drainage Pipe
1.5SUBMITTALS
A.Manufacturer’s certificate of compliance.
B.Manufacturer’s data sheets and installation instructions.
C.Documentation from AASHTO NTPEP showing compliance with Table 3
for the thermoplastic pipe material and diameter supplied for information.
D.NASSCO Pipeline Assessment certification for remote video technician for
information.
E.Pipe inspection report for each pipe for review. Include at least the
following:
1.The project number, date, and time of the inspection for each pipe
inspection, the pipe identification used in the plan set, and type and size of pipe.
2.A video recording of each pipe inspection in a digital format for
remote inspection.
3.Written and still image documentation of locations where alignment
deviations, joint gaps, pipe damage, and any other deficiencies were observed.
4.Written documentation of deflection testing and measurements.
1.6ACCEPTANCE
A.General
1.Each pipe is accepted for payment after verifying that the following
criteria have been met:
a.Alignment
b.Deflection
c.Joint gap
d.Damage
2.Proposed resolutions for nonconforming pipes require the seal of a
licensed Professional Engineer competent in the structural design of the pipe material being evaluated.
B.Alignment
1.Do not exceed the installation horizontal and vertical alignment
tolerances in Table 1.
Drainage Pipe
Table 1 Installation Alignment Tolerances
Design Vertical* Horizontal Grade inch/100 ft > 1% Not to exceed the 1½ 0.5% - 1% pipe manufacturer’s 1 < 0.5% requirements ½ * Increase tolerance by 50 percent for pipes with silt-tight joints.
C.Deflection
1.Do not exceed a 5 percent shape change from the nominal
diameter.
a.Proposals for acceptance of pipes with a deflection greater
than 7.5 percent will be rejected.
D.Joint Gap
1.Do not exceed the joint separation, measured along the length of
pipe, in Table 2.
a.Repair or replace joints that show visible signs of soil or
water infiltration.
Table 2 Joint Gap Tolerances Nominal Diameter Separation
(inches)(inches)
12 to 36 0.75 42 to 48 1.00 54 to 90 1.25 96 to 144 1.75
E.Damage
1.Pipes are to be free from:
a.Cuts, cracks, spalls, chips, or punctures.
1) Cracks are allowable up to 0.01 inch in width for reinforced concrete pipe
b.Loss or delamination of coatings.
c.Exposed reinforcing steel.
d.Imperfect concrete mixing and casting such as honeycomb
or open texture.
Drainage Pipe
PART 2 PRODUCTS
2.1PIPE
A.General
1.Provide pipe according to the size, material and interior roughness,
and joint type specified.
a.Meet the material requirements in Table 3.
b.Meet the joint requirements of AASHTO R 82 for silt-tight
and leak-resistant joints.
c.Determine the strength and thickness of the pipe required
based on the cover over the pipe. Refer to the DG Series Standard Drawings.
d.Maintain the same type of pipe material, joint, strength, and
thickness throughout the entire length of pipe.
2.Internally label each section of pipe with the manufacturer's name
or trademark, nominal diameter, and manufacture date. Include the pipe class, gauge, and coating according to the pipe material type.
a.Place the pipe so that the location of the label is above the
spring line of the pipe.
Table 3 Pipe Material Specifications Interior Roughness and Material Type Corrugated Polymer Coated Corrugated Steel Pipe and Pipe Arch AASHTO M 245 Aluminum Corrugated Pipe and Pipe Arch AASHTO M 196 Smooth Profile Wall Polyethylene (HDPE) Pipe AASHTO M 294 Profile Wall Polyvinyl Chloride (PVC) pipe AASHTO M 304 Profile Wall Polypropylene Pipe AASHTO M 330 AASHTO M 335 Steel Reinforced Thermoplastic Ribbed Pipe AASHTO MP 40 Polymer Coated Spiral Rib Steel Pipe and Pipe Arch AASHTO M 245 Spiral Rib Aluminum Pipe and Pipe Arch AASHTO M 196 Reinforced Concrete Pipe AASHTO M 170 Elliptical Reinforced Concrete Pipe AASHTO M 207
Drainage Pipe
B.Reinforced Concrete Pipe
1.Use a Department prequalified supplier of precast concrete
products.
2.Use Type V Cement. Refer to Section 03055.
3.Do not cast lift holes except for circular pipe that has a nominal
diameter greater than 54 inches or any elliptical pipe.
a.Plug and seal lift holes in a manner such that the pipe
section will meet pressure requirements.
4.Use a rubber gasket for circular reinforced concrete pipe. Refer to
ASTM C 443.
5.Use a mastic joint sealant for elliptical reinforced concrete pipe.
Refer to ASTM C 990.
C.Metal Pipe – Steel and Aluminum
1.Do not allow pipes of different types of metal to contact each other.
2.Use rubber gaskets on all connecting bands. Refer to ASTM D
1056 for flat gaskets and ASTM C 443 for O-ring gaskets.
3.Use bands with projections (dimple bands) only in extension of
existing pipes or a field cut where annular corrugations do not exist.
D.Thermoplastic Pipe - HDPE, PVC, Polypropylene and Steel Reinforced
Thermoplastic Ribbed Pipe
1.Use an AASHTO NTPEP compliant supplier of thermoplastic pipe.
2.Do not use in permanent above ground installations.
3.Do not use greater than 36 inch diameter for PVC pipe.
4.Do not use greater than 120 inch diameter for Steel Reinforced
Thermoplastic Ribbed pipe.
5.Do not use greater than 60 inch diameter for HDPE and
Polypropylene pipe.
6.Use bell and spigot joints with an elastomeric rubber gasket. Refer
to ASTM F 477.
2.2PIPE FOUNDATION, BEDDING AND BACKFILL MATERIAL
A.Refer to Section 02056.
2.3ASPHALT MASTIC
A.Refer to AASHTO M 243.
Drainage Pipe
PART 3 EXECUTION
3.1INSTALLATION
A.Excavation and Backfill
1.Refer to Section 02317 and DG Series Standard Drawings.
2.Keep trenches free from water.
3.Grade and prepare the bottom of the trench to provide a firm and
uniform bearing throughout the entire length of the pipe.
a.Do not use blocking to bring the pipe to grade.
b.Shape the pipe foundation and bedding to have recesses to
fit any projecting hubs or bells.
4.Remove and relay or replace pipe that is out of alignment, not
joined properly or damaged before placing backfill.
B.Follow manufacturer’s recommendations for connecting pipes and for
connecting pipe to end sections, concrete headwalls, catch basins, and similar structures.
1.Do not allow pipes of different types of metal to contact each other.
2.Spray or brush-coast aluminum pipe contacting concrete with
asphalt mastic to a minimum thickness of 0.05 inch.
3.2POST INSTALLATION PIPE INSPECTION
A.General
1.Inspect pipes after installation of pipe, placement of backfill and
before placing pavement or finished grade according to Table 4 and Table 5.
Table 4 Roadway Functional Percent of Pipes to Classification Inspect Interstate 100 and Arterial Collectors and Local 50
Drainage Pipe
Table 5 Pipe Testing Requirements Visual Deflection* Pipe Size Manual Remote Manual Mandrel ≤ 48−inch X X dia. > 48−inch X X dia. * Deflection testing is required for circular metal and thermoplastic pipe only.
2.The Engineer will determine which pipes to inspect when the
percentage of pipes to inspect is less than 100 percent.
a.Inspect additional pipes with apparent defects and as
directed by the Engineer.
3.Inspection is not required for pipes less than 20 ft in length.
4.Notify the Engineer at least 24 hours before performing an
inspection.
5.Clean and flush the pipe with water immediately before the
inspection.
a.Remove and dispose material and debris from pipes.
B.Remote Inspection
1.CCTV Equipment
a.Record video using a crawler mounted camera capable of
panning and tilting to a 90 degree angle with the axis of the pipe and rotating 360 degrees.
b.Center the camera head in the pipe both vertically and
horizontally to allow a clear picture of the entire periphery of the pipe.
c.Video image must be continuously illuminated, clear,
focused, and free from roll, static, or other image distortion qualities that may prevent the reviewer from evaluating the pipe’s condition. 1) Calibrate the video’s lighting and focus to view the internal markings within the pipe.
2.CCTV Inspection
a.Remote video inspection operator must have a current
NASSCO Pipeline Assessment certification.
b.Use the video image to observe horizontal and vertical
alignment deviations, joints gaps, and pipe damage. 1) Document all observations with captions in the video. 2) Note each location and provide a still image in the inspection report.
Drainage Pipe
c.Do not move the crawler through the pipe at a speed greater
than 30 ft/minute. 1) Stop the crawler and video the entire circumference at each joint. 2) Stop the crawler and zoom when necessary to video observations.
C.Manual Inspection
1.Perform manual inspection for pipes in the presence of the
Engineer.
a.Follow UOSH requirements for inspecting confined entry
spaces.
2.Observe and document the following:
a.Deflection - Take the following measurements every 10 ft
along the length of the pipe to the nearest ¼ inch: 1) Vertically from the crown to invert. 2) Horizontally at the spring line. 3) Two measurements, each diagonally at 45 degrees to the pipe spring line.
b.Cracks – Measure cracks using a device capable of
measuring 0.01 inch.
c.Joint Gaps – Measure the widest separation at each joint to
the nearest ¼ inch.
d.Damage.
D.Mandrel Inspection
1.Perform the mandrel inspection for pipes in the presence of the
Engineer or representative.
a.Verify the diameter of the mandrel with a proving ring or
other method according to manufacturer’s recommendations.
2.Mandrel
a.Contain at least nine equally spaced runners (40 degree
angles).
b.Length not less than the diameter.
3.Deflection test
a.Pull a mandrel that is 5 percent less than the pipe nominal
inside diameter.
Drainage Pipe
b.Perform the following if the mandrel does not pass:
1) Record the maximum distance achieved from the inlet side. 2) Remove the mandrel and continue the inspection from the outlet end of the pipe toward the inlet end. Record the maximum distance achieved from the outlet side. 3) Repeat inspection with a mandrel that is 7.5 percent less than the pipe nominal inside diameter.
END OF SECTION
Drainage Pipe
Drainage Pipe in other states
Utah revises spec sections through supplementals and new editions. We check this one every week and email you the day it changes. Free, no account.
Source: Utah Standard Specifications for Road and Bridge Construction, 2026 Edition. Pages 364–373 of 1,331.
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