The purpose of this standard is to provide the minimum requirements for potable cold-water meters of the electromagnetic and ultrasonic type, in sizes 1\/2 in. (13 mm) through 20 in. (500 mm), for revenue applications.<\/p>\n
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| 7<\/td>\n | Foreword I.\tIntroduction I.A.\tBackground.\u2003Electronic meters of the electromagnetic and ultrasonic types have been used in water distribution systems in North America for many years. These modern meter types offer alternatives to traditional mechanical-type meters, which were firs I.B.\tHistory.\u2003This standard is the first edition for meters used in this application. It was developed by the AWWA Standards Subcommittee on Cold Water Meters, Electronic Revenue Type, and it was approved by the AWWA Standards Committee on Water Meters. T 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 | ||||||
| 9<\/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 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 | ||||||
| 10<\/td>\n | III.B.\tModification to Standard.\u2003Any modification to the provisions, definitions, or terminology in this standard must be provided by the purchaser. IV.\tMajor Revisions.\u2003This is the first edition of this standard. <\/td>\n<\/tr>\n | ||||||
| 11<\/td>\n | AWWA Standard SECTION 1:\tGENERAL Sec. 1.1\tScope Sec. 1.2\tPurpose Sec. 1.3\tApplication <\/td>\n<\/tr>\n | ||||||
| 12<\/td>\n | SECTION 2:\tREFERENCES <\/td>\n<\/tr>\n | ||||||
| 13<\/td>\n | SECTION 3:\tDEFINITIONS <\/td>\n<\/tr>\n | ||||||
| 14<\/td>\n | SECTION 4:\tREQUIREMENTS Sec. 4.1\tMaterials <\/td>\n<\/tr>\n | ||||||
| 16<\/td>\n | Sec. 4.2\tGeneral Design <\/td>\n<\/tr>\n | ||||||
| 18<\/td>\n | Sec. 4.3\tDetailed Design <\/td>\n<\/tr>\n | ||||||
| 22<\/td>\n | Sec. 4.4\tMarking SECTION 5:\tVERIFICATION Sec. 5.1\tBasis for Rejection SECTION 6:\tDELIVERY Sec. 6.1\tPackaging and Shipping Sec. 6.2\tAffidavit of Compliance <\/td>\n<\/tr>\n | ||||||
| 23<\/td>\n | APPENDIX A Supplemental Information SECTION A.1:\u2003UNITS OF MEASURE SECTION A.2:\u2003REGISTER TYPES SECTION A.3:\u2003TESTS <\/td>\n<\/tr>\n | ||||||
| 25<\/td>\n | SECTION A.4:\u2003TESTING EQUIPMENT SECTION A.5:\u2003REGISTRATION ACCURACY <\/td>\n<\/tr>\n | ||||||
| 26<\/td>\n | SECTION A.6:\u2003PERIODIC TESTS SECTION A.7:\u2003METER STORAGE SECTION A.8:\u2003INSTALLATION <\/td>\n<\/tr>\n<\/table>\n","protected":false},"excerpt":{"rendered":" AWWA C715-18(R22) Cold-Water Meters – Electromagnetic and Ultrasonic Type for Revenue Applications<\/b><\/p>\n |