A batch or group of pipe that is statistically similar because of time of manufacture, or chemical, mechanical, or thermal processing. A maximum of 20 percent of the total number of pipe of each size delivered may be provided in lengths that are as much as 24 in. Inspection by purchaser Sec. Cement—mortar linings are recommended for most waters. The existence of an American National Standard does not in any respect preclude anyone, whether that person has approved the standard or not, from manufacturing, marketing, purchasing, or using products, processes, or procedures not conforming to the standard. Sourcing Guide for Awwa C Companies: An Ameri- can National Standard is intended as a guide to aid the manufacturer, the consumer, and the general public.
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The use of AWWA standards is entirely voluntary. Notice of nonconformance was added as a requirement in Section 6, Delivery. In case of dispute, the test specimen shall be cut longitudinally.
Special Coatings and Linings
A maximum of 20 percent of the total number of pipe of each size delivered may be provided in lengths that are as much as 24 in.
Producers of goods made in conformity with an American National Standard are encouraged to state on their own responsibility in advertis- ing and promotional materials or on tags or labels that the goods are produced in conformity with particular American National Standards.
This standard does not supersede or take precedence over or displace any applicable law, regulation, or codes of any governmental authority. Haven’t found what you want? Consideration of the pipe-zone embedment conditions included in this figure may be influenced by factors other than pipe strength. In addition, the manufacturer shall conduct other tests that may be necessary to ensure compliance with this standard.
A of this foreword lists certain purchaser options and alternatives that users of this standard should consider in purchaser documents for ductile-iron pipe. The manufacturer shall make avail- able to the representative of the purchaser the gauges necessary for inspection. Until each optional feature is specified by the user, the product or service is not fully defined.
Other socket dimensions shall be gauged as may be appropriate. Samples shall be selected to properly represent extremes of pipe diameters and wall thicknesses. Research has documented that pipe materials, such as polyethylene, polybutylene, polyvinyl chloride, and asbestos cement and elastomers, such as used in jointing gaskets and packing glands, may be subject to permeation by lower-molecular-weight organic solvents or petroleum products.
Specifications | McWane Ductile
If a water pipe must pass through such a contaminated area or an area subject to contamination, consult with the manufacturer regarding permeation of pipe walls, jointing materials, and so forth, before selecting zwwa for use in that area. Enter the email address you signed up with and we’ll email you a reset link.
Written transcripts shall be provided if aqwa by the purchaser. It is the responsibility of the user of an AWWA standard to determine that the products described in that standard are suitable for use in the particular application being awwa. If check tests are to be made, the 0. The manufacturer may determine the amount of pipe to be rejected by making similar additional tests of pipe of the same size until the rejected lot is bracketed, in order of manufacture, by an acceptable test at each end of the interval in question.
Any pipe that leaks or does not withstand awwz test pres- sure shall be rejected. Calculations are c51 on a 2. However, reference marks for the measurement of elongation should nevertheless be spaced at the indicated gauge length G. This edition approved Jan. Help Center Find new research papers in: Holcomb, Jordan Jones and Goulding Inc.
Product Alert Stay updated to what’s new and popular on the market. Major revisions made to the standard in this edition include the following: Table continued next page. This American National Standard may be revised or withdrawn at any time.
The following items should be cov- ered by the purchaser: The AWWA standards usually contain options that must be evaluated by the user of the standard. The person, company, or organization that purchases any materials or work to be performed.
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