This standard describes 3-in. through 64-in. (80-mm through 1,600-mm) ductile-iron pipe, centrifugally cast, for potable water, raw water, wastewater, and reclaimed water systems with push-on joints or mechanical joints. Requirements for pipe according to this standard are discussed in the text and are shown in Tables 1 through 6 and Figures 1, 2, and 3. This standard may be used for pipe with other types of joints as may be agreed on at the time of purchase. This standard can be referenced in specifications for ductile-iron pipe, centrifugally cast, for potable water, raw water, wastewater, and reclaimed water systems. The stipulations of this standard apply when this document has been referenced and then only to ductile-iron pipe, centrifugally cast, for potable water, raw water, wastewater, and reclaimed water systems.<\/p>\n
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| 9<\/td>\n | Foreword I.\tIntroduction. I.A.\tBackground.\u2003The purpose of this standard is to provide information to specifiers and users of ductile-iron pipe on the minimum manufacturing requirements of this pipe. This standard includes requirements for laying lengths, dimensional tolerances, ma I.B.\tHistory.\u2003American National Standards Committee A21 on Cast-Iron Pipe and Fittings was organized in 1926 under the sponsorship of the American Gas Association (AGA), the American Society for Testing and Materials (ASTM), AWWA, and the New England Wate <\/td>\n<\/tr>\n | ||||||
| 10<\/td>\n | I.C.\tAcceptance.\u2003In May 1985, the US Environmental Protection Agency (USEPA) entered into a cooperative agreement with a consortium led by NSF International (NSF) to develop voluntary third-party consensus standards and a certification program for direct <\/td>\n<\/tr>\n | ||||||
| 11<\/td>\n | II.\tSpecial Issues. II.A.\tAdvisory Information on Product Application.\u2003Unless otherwise provided by the purchaser, pipe and accessories shall comply with this standard. Pipe and accessories not complying with this standard shall be replaced by the supplier at the agreed poin II.B.\tChlorine and Chloramine Degradation of Elastomers.\u2003The selection of materials is critical for water service and distribution piping in locations where there is a possibility that elastomers will be in contact with chlorine or chloramines. Documented <\/td>\n<\/tr>\n | ||||||
| 12<\/td>\n | III.\tUse of This Standard.\u2003It 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 considered. III.A.\tPurchaser Options and Alternatives.\u2003The following items should be covered by the purchaser: III.B.\tModification to Standard.\u2003Any modification to the provisions, definitions, or terminology in this standard must be provided by the purchaser. <\/td>\n<\/tr>\n | ||||||
| 13<\/td>\n | IV.\tMajor Revisions.\u2003Major revisions made to the standard in this edition include the following: V.\tComments.\u2003If you have any comments or questions about this standard, please call AWWA Engineering and Technical Services at 303.794.7711; write to the department at 6666 West Quincy Avenue, Denver, CO 80235-3098; or email at standards@awwa.org. <\/td>\n<\/tr>\n | ||||||
| 15<\/td>\n | AWWA Standard SECTION 1: GENERAL Sec.\u20021.1\tScope Sec.\u20021.2\tPurpose Sec.\u20021.3\tApplication <\/td>\n<\/tr>\n | ||||||
| 16<\/td>\n | SECTION 2:\u2002REFERENCES SECTION 3:\u2002DEFINITIONS <\/td>\n<\/tr>\n | ||||||
| 17<\/td>\n | SECTION 4:\u2002REQUIREMENTS Sec.\u20024.1\tMaterials <\/td>\n<\/tr>\n | ||||||
| 18<\/td>\n | Sec.\u20024.2\tPermeation Sec.\u20024.3\tGeneral Requirements <\/td>\n<\/tr>\n | ||||||
| 19<\/td>\n | Sec.\u20024.4\tCoatings and Linings Sec.\u20024.5\tTolerances or Permitted Variations Table 1\tMaximum minus pipe tolerance <\/td>\n<\/tr>\n | ||||||
| 20<\/td>\n | Sec.\u20024.6\tPipe Wall Thickness Sec.\u20024.7\tMarking Pipe SECTION 5:\u2002VERIFICATION <\/td>\n<\/tr>\n | ||||||
| 21<\/td>\n | Sec.\u20025.2\tTest Procedures <\/td>\n<\/tr>\n | ||||||
| 22<\/td>\n | Figure 1\tTensile-test specimen <\/td>\n<\/tr>\n | ||||||
| 23<\/td>\n | Figure 2\tImpact-test specimen Sec.\u20025.3\tAdditional Control Tests by the Manufacturer <\/td>\n<\/tr>\n | ||||||
| 24<\/td>\n | Sec.\u20025.4\tFoundry Records Sec.\u20025.5\tAdditional Tests Required by the Purchaser Sec.\u20025.6\tDefective Specimens and Retests Sec.\u20025.7\tBasis for Rejection <\/td>\n<\/tr>\n | ||||||
| 25<\/td>\n | SECTION 6:\u2002DELIVERY Sec.\u20026.1\tNotice of Nonconformance Sec.\u20026.2\tAffidavit of Compliance <\/td>\n<\/tr>\n | ||||||
| 26<\/td>\n | Table 2\tStandard dimensions of push-on\u2013joint ductile-iron pipe* and mechanical-joint ductile-iron pipe* (continued) <\/td>\n<\/tr>\n | ||||||
| 44<\/td>\n | Figure 3\tStandard laying conditions <\/td>\n<\/tr>\n | ||||||
| 45<\/td>\n | APPENDIX A Pipe Thickness Required for Different Tap Sizes <\/td>\n<\/tr>\n | ||||||
| 47<\/td>\n | Table A.2\tPipe thicknesses required for different tap sizes per ANSI\/AWWA C800* for standard corporation stop threads with two, three, and four full threads\u2020\u2021^ <\/td>\n<\/tr>\n | ||||||
| 48<\/td>\n | Table A.2\tPipe thicknesses required for different tap sizes as per ANSI\/AWWA C800 for standard corporation stop threads with two, three, and four full threads*\u2020^ (continued) <\/td>\n<\/tr>\n<\/table>\n","protected":false},"excerpt":{"rendered":" AWWA C151\/A21.51-23 Ductile-Iron Pipe, Centrifugally Cast<\/b><\/p>\n |