【国外标准】 Standard Specification for Corrugated Polyethylene Pipe and Fittings for Mine Heap Leach Aeration Applications

This specification establishes requirements and test methods for double wall, annular extruded corrugated polyethylene (PE) pipe and fittings used in mine heap leach pile aeration. It covers materials, workmanship, dimensions, perforations, pipe stiffness, elongation, joint separation resistance, quality of extruded polyethylene, brittleness, testing, and marking of corrugated PE pipe and fittings with diameters of 100 mm (4 inch), 150 mm (6 inch), 200 mm (8 inch), 250 mm (10 inch), 300 mm (12 inch), 375 mm (15 inch), and 450 mm (18 inch).1.1 This specification covers requirements and test methods for materials, workmanship, dimensions, perforations, pipe stiffness, elongation, joint separation resistance, quality of extruded polyethylene, brittleness, testing, and marking of corrugated polyethylene (PE) pipe and fittings for mine heap leach pile aeration. It covers with nominal sizes 100 mm (4 in.), 150 mm (6 in.), 200 mm (8 in.), 250 mm (10 in.) 300 mm (12 in.), 375 mm (15 in.), and 450 mm (18 in.) diameter.1.2 This specification covers double wall, annular extruded corrugated polyethylene pipe as depicted in Fig. 1.FIG. 1 Typical Double Wall Profile Cross-Section1.3 The values in parentheses are provided for information only.1.4 The following precautionary caveat pertains only to the test method portion, Section 9, of this specification: This standard does not purport to address all of the safety concerns, if any, associated with its use. It is the responsibility of the user of this standard to establish appropriate safety, health, and environmental practices and determine the applicability of regulatory limitations prior to use.1.5 This international standard was developed in accordance with internationally recognized principles on standardization established in the Decision on Principles for the Development of International Standards, Guides and Recommendations issued by the World Trade Organization Technical Barriers to Trade (TBT) Committee.