- 873 - SECTION 1037 -- REINFORCED CONCRETE PIPE, MANHOLE RISERS, AND FLARED-END SECTIONS
1037.01 Description
1.This Specification pr ovides the Department’s criteria for Reinforced Concrete Pipe (Round, Elliptical, Pipe-Arch), Reinforced Concrete Manhole Risers, and Concrete Flared-End Sections.
1037.02 Material Characteristics
1.Aggregates shall conform to t he requirements of Section 1033 with the exceptions that t he requirements for gradation and calcium carbonate content are waived.
2.Each flared-end or pipe section shall have all AASHTO required markings indented, scribed, or mark ed with permanent water-proof marking paint on the inside top (lift hole side) of each section at the time of manufacture. Furthermore, each section shall also have as a minimum requirement, the class and date of manufacture scribed or indent printed on the outside of the pipe.
3.Reinforced concrete pipe shall be the class as permitted in the contract.
4.Round Reinforced Concrete Pipe:
a.Round reinforced concrete pipe shall conform to the requirements of AASHTO M 170/M 170 M-95 with the exception of the minimum circumferential reinforcing (in2/ft (mm2/m) of pipe wall) for 15, 21 and 24 inch (375, 450, 600 mm) Class III pipe, as shown below.
b.AASHTO M 170/M 170M-95 S pecifications ar e modified as follows:
c.Only single inner cage, circular reinforcing is allowed for Class III, 15, 18, 21, and 24 inch (375, 450, 525, 600) round RCP as shown: Table 1037.01 Pipe Size (in) [mm] Class Minimum Circumferential Reinforcing (in2/ft of Pipe Wall) (cm2/m) 15 [375] III 0.08 (1.7) 18 [450] III 0.10 (2.1) 21 [525] III 0.12 (2.5) 24 [600] III 0.14 (3.0)
5.Reinforced concrete arch pipe shall conform to the requirements of AASHTO M 206/M 206M-95.
6.Reinforced concrete elliptical pipe shall conform to the requirements of AASHTO M 207/M 207M-95.
7.Precast reinforced concrete manhole risers, steps, and tops shall conform to the requirements of AASHTO M 199. Reinforced Concrete Pipe, Manhole Risers,
1037.02 and Flared-End Sections
- 874 - 8. Concrete flared-end sections shall be of the design shown in the contract and in conformance with the applicable requirements of AASHTO M 170/M 170M-95, Class II pipe, AASHTO M 206/M 206M-95, Class A-II pipe, or AASHTO M 207/M 207M-95, Class HE-II pipe for the diameter of pipe on which it is to be installed.
1037.03 Acceptance Requirements
1.Reinforced concrete pipe, manhole risers, and flared-end sections will be accepted based on the requirements of this Section and sampling and testing requirements in accordance with the Department’s Materials Sampling Guide. - 875 - SECTION 1038 -- PLASTIC PIPE
1038.01 Description
1.High density polyethylene (HDPE), polyvinyl chloride (PVC), and other Department approved plastic pipes are authorized for use as stipulated in the contract.
1038.02 Material Characteristics
1.High density polyethylene (HD PE) pipes and fittings shall conform to the following Specification requ irements for the size required: Table 1038.01 Polyethylene Pipe Size Specification Description 15 to 36 in (375 to 900 mm) AASHTO M 294 Corrugated Polyethylene, Type C (Cell Class 335420C) 15 to 60 in (375 to 1500 mm) AASHTO M 294 Corrugated Polyethylene, Type S (Cell Class 335420C) 15 to 60 in (375 to 1500 mm) ASTM F 894 Profile Wall, OP, RSC 160 (Cell Class 335434C) 15 to 60 in (375 to 1500 mm) ASTM F 2562 Steel Reinforced Thermoplastic Ribbed Pipe (Cell Class 345464C)
2.Polyvinyl Chloride (PVC) [Cell Classification 12454C or 12364C (as determined by ASTM D-1784) if applicable] pipe and fittings shall conform to the following Specification requir ements for the size required: Table 1038.02 Polyvinyl Chloride Pipe English Size (Metric) Specification Description 18 to 48 in (450 to 1200 m) ASTM F 679 Gravity Sewer Pipe & Fittings 15 to 48 in (375 to 1200 m) ASTM F 794 Profile Gravity Sewer Pipe & Fittings, DWCP,OP, Series 46 15 to 48 in (375 to 1200 m) ASTM F 949 Corrugated Sewer Pipe w/smooth Interior with Fittings 15 in (375 m) ASTM D 2680 Composite Sewer Pipe 15 in (375 mm) ASTM D 3034 Type PSM Sewer Pipe & Fittings, SDR 35
3.Plastic pipe for underdrains s hall conform to the requirements of AASHTO M 252, ASTM F 405, ASTM F 794 or ASTM F 949 for perforated or non-perforated pipe. Perforations for ASTM F 794 PVC pipe shall be slotted as per ASTM F 949.
4.Metal flared-end sections shall conform to the requirements in Section 1036.
5.A 10 foot (3 m) sample of each size and type of plastic pipe shall be sent to the Department for testing, before being incorporated into the project.
Source: Nebraska Standard Specifications for Highway Construction, 2017 Edition. Pages 907–908 of 1,048.