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Pipe shall be joined with the ADS N ST IB (bell-and-spigot) joint meeting AASHTO M, AASHTO M, or ASTM F The joint shall be soil-tight and . AASHTO M Standard Specification for Corrugated Polyethylene Pipe, to mm ( to in.) Diameter. standard by American Association of. Corrugated Polyethylene Pipe, to mm Diameter. Scope. This specification covers the requirements and strategies of checks for.

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The blended sample shall not contain carbon black concentrate. The following information must be included in the plan: The plant designation code; and We want to hear from you.

Group 2 June 1. Pipe connected by bell and spigot joints may not be perforated in the area of the bells and aashtoo. Customary units are shown in parentheses, and may not be exact equivalents. Samples of materials and pipe may be taken by the specifying agency. Inspect for damage while at the specified deflection and after load removal. Load the connected pipe and joint between parallel plates at the rate of Type of pipe Section 4.


The dry-blended sample shall be fully homogenized by melt blending via a twin screw lab extruder or other melt homogenization technique that has been verified to provide similar levels of homogenization prior to testing for physical properties. This specification does not include requirements for bedding, backfill, or earth cover load. The specifying agency may require an annual third-party independent assurance test.

Group 2 June A greater number of rows for increased inlet area shall be subject to agreement between purchaser and manufacturer.

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Class 2 perforations are for pipe intended to be used for subsurface drainage only. An example calculation is shown in Appendix X2.


Tup B shall be used, with a mass m24 4. The producer must supply to the specifying agency a written quality control plan that shows how the producer will control the equipment, materials, and production methods to ensure that the specified products are supplied.

To search the entire text of this book, type in your search term here and press Enter. The distance between the centerlines of aqshto rows shall not be less than 25 mm 1 in.

The feeler gauge should not pass between the internal support and the liner or outer wall at any point along the circumference of the pipe.

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This appendix should serve as a guide for both the manufacturer and the user. Soiltight joints are specified as a function of opening size, channel length, and backfill particle size. Lengths shall not be less than 99 percent of the stated quantity when measured in accordance with Section 9.

Class 1 perforations are for pipe intended to be used for subsurface drainage or combination storm and underdrain. Rows of Perforationsa H, Max,b mm in.

The method of sampling and testing of raw materials and finished product, including lot sizes and types of tests performed; and X1. The stub compression test, AASHTO Tshall be a material and wall design qualification test conducted twice a year or whenever there are changes in wall design or material distribution. The producer is required to perform quality control sampling, testing, and record keeping on materials it ships. The method of identification shall allow the specifying agency to trace the finished product to the material provider; X1.


Resins that have higher cell classifications in one or more properties are acceptable provided product requirements are met. The plant approval process requires the manufacturer to submit an annual update to the specifying agency. Sampling and testing of the final blended resin shall be performed as follows: Each certification so furnished shall be signed by a person authorized by the manufacturer.

The fittings shall not reduce or impair the overall integrity or function of the pipe line. The perforations shall not cut into the corrugation sidewalls.

The date of manufacture or an appropriate code. For this condition, the average UCLS failure time for five specimens shall not be less than 34 hrs. The minimum UCLS failure time shall be prescribed based on the service conditions temperature and factored design stress and desired service life as detailed in A2 of the Annex.

These measurements may be taken at ambient temperature. Fabricated fittings shall be supplied with joints compatible with the overall system. Below is the uncorrected machine-read text of this chapter, intended to provide our own search engines and external engines with highly rich, chapter-representative searchable text of each book.

Corrugated Polyethylene Pipe AASHTO M —

For Type CP and SP pipe, the perforations shall be located in the external valleys with perforations in each m24 for each corrugation. Features Smooth interior with a Manning’s value of 0.

Resins that have higher cell classifications in one or more properties, with the exception of density, are acceptable provided product requirements are met.