Standard Specification for Corrugated Aluminum Pipe for Sewers and Drains
This specification covers corrugated aluminum pipe intended for use for storm water drainage, underdrains, the construction of culverts, and similar uses. Pipe covered by this specification is not normally used for the conveyance of sanitary or industrial wastes. All pipe fabricated under this specification shall be formed from aluminum-alloy sheet conforming to the requirements specified. The sheet used in fabricating coupling bands shall conform to the requirements specified. The material used for rivets in riveted pipe shall conform to the requirements specified. Bolts and nuts for coupling bands shall conform to the required specification. If gaskets are used in couplings, they shall be a band of expanded rubber meeting the specified requirements. The fabrication requirements for type I, type II, type IA, and type IR pipe are presented. The corrugations shall be either annular or helical as provided. The different pipe requirements like pipe dimensions, sheet thickness, pipe-arch dimensions, longitudinal seams, and perforations are presented in details. Field joints for each type of corrugated aluminum pipe shall maintain pipe alignment during construction and prevent infiltration of fill material during the life of the installation.
1.1 This specification covers corrugated aluminum pipe intended for use for storm water drainage, underdrains, the construction of culverts, and similar uses. Pipe covered by this specification is not normally used for the conveyance of sanitary or industrial wastes.
1.2 This specification does not include requirements for bedding, backfill, or the relationship between earth-cover load and sheet thickness of the pipe. Experience has shown that the successful performance of this product depends upon the proper selection of sheet thickness, type of bedding and backfill, controlled manufacture in the plant, and care in the installation. The purchaser must correlate the above factors and also the corrosion and abrasion requirements of the field installation with the sheet thickness. The structural design of corrugated aluminum pipe and the proper installation procedures are given in Practices B790/B790M and B788/B788M, respectively. A procedure for using life-cycle cost analysis techniques to evaluate alternative drainage system designs using corrugated metal pipe is given in Practice A930.
1.3 The values stated in either SI units or inch-pound units are to be regarded separately as standard. The values stated in each system may not be exact equivalents; therefore, each system shall be used independently of the other. Combining values from the two systems may result in non-conformance with the standard.
1.4 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 and health practices and determine the applicability of regulatory limitations prior to use.
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