The purpose of this standard is to provide the minimum requirements for fabricated tapping sleeves for various pipe materials, including components, testing, and marking requirements.<\/p>\n
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| 9<\/td>\n | Foreword I.\tIntroduction. I.A.\tBackground. \u2003Fabricated tapping sleeves are used to provide outlets on piping systems. They are made by several producers, and though details differ, all tapping sleeves provide similar features. They provide a means of attaching a tapping valve and I.B.\tHistory.\u2003The first edition was approved by the Board of Directors on June 16, 2002. Subsequent editions were approved on June 24, 2007 and June 9, 2013. This edition was approved on Feb. 1, 2019. 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 | ||||||
| 10<\/td>\n | II.\tSpecial Issues. II.A.\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 | ||||||
| 11<\/td>\n | II.B.\tGasket Degradation Study.\u2003A pipe gasket, having the hardness of a compressed elastomer with a large mass relative to the small exposed surface area, experiences minimal degradation. This was validated in a research paper reported in Journal AWWA , w 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 information should be provided by the purchaser. <\/td>\n<\/tr>\n | ||||||
| 12<\/td>\n | III.B.\tPurchaser\u2019s Proof Test.\u2003The purchaser may specify individual hydrostatic proof testing. If individual hydrostatic proof testing is required, the assembled fabricated tapping sleeve shall be shop tested at a maximum of 1.5 times the working pressure III.C.\tModification to Standard.\u2003Any modification of the provisions, definitions, or terminology in this standard must be provided by the purchaser. IV.\tMajor Revisions.\u2003Major changes made to the standard in this revision include the following: <\/td>\n<\/tr>\n | ||||||
| 13<\/td>\n | V.\tComments.\u2003If you have any comments or questions about this standard, please call AWWA\u00a0Engineering and Technical Services at 303.794.7711, FAX at 303.795.7603, write to the department at 6666 West Quincy Avenue, Denver, CO 80235-3098, or email at standa <\/td>\n<\/tr>\n | ||||||
| 15<\/td>\n | AWWA Standard SECTION 1:\u2002GENERAL Sec.\u20021.1\tScope Sec.\u20021.2\tPurpose <\/td>\n<\/tr>\n | ||||||
| 16<\/td>\n | Sec.\u20021.3\tApplication SECTION 2:\u2002REFERENCES <\/td>\n<\/tr>\n | ||||||
| 18<\/td>\n | SECTION 3:\u2002DEFINITIONS <\/td>\n<\/tr>\n | ||||||
| 19<\/td>\n | Figure 1 Typical fabricated tapping sleeve with tapping valve and tapping machine <\/td>\n<\/tr>\n | ||||||
| 20<\/td>\n | SECTION 4:\u2002REQUIREMENTS Sec 4.1\u2002Permeation Sec.\u20024.2\tMaterials of Construction <\/td>\n<\/tr>\n | ||||||
| 22<\/td>\n | Sec.\u20024.3 Design <\/td>\n<\/tr>\n | ||||||
| 24<\/td>\n | Sec.\u20024.6\tInstallation Instructions SECTION 5:\u2002VERIFICATION Sec.\u20025.1\tInspection <\/td>\n<\/tr>\n | ||||||
| 25<\/td>\n | Sec.\u20025.2\tQuality Assurance Sec.\u20025.3\tTest Procedures Sec.\u20025.4\tNotice of Nonconformance SECTION 6:\u2002DELIVERY Sec.\u20026.1\tMarking <\/td>\n<\/tr>\n<\/table>\n","protected":false},"excerpt":{"rendered":" AWWA C223-19 Fabricated Steel and Stainless Steel Tapping Sleeves<\/b><\/p>\n |