{"id":197908,"date":"2024-10-19T12:36:01","date_gmt":"2024-10-19T12:36:01","guid":{"rendered":"https:\/\/pdfstandards.shop\/product\/uncategorized\/awwa-c620-2019\/"},"modified":"2024-10-25T05:09:21","modified_gmt":"2024-10-25T05:09:21","slug":"awwa-c620-2019","status":"publish","type":"product","link":"https:\/\/pdfstandards.shop\/product\/publishers\/awwa\/awwa-c620-2019\/","title":{"rendered":"AWWA C620 2019"},"content":{"rendered":"
This standard describes the requirements for materials, equipment, certification, and procedures for the field application of spray-in-place polymeric (SIPP) linings to the interior of existing potable water pipeline<\/p>\n
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9<\/td>\n | Foreword I.\tIntroduction. I.A.\tBackground.\u2003Water pipe rehabilitation through application of polymer based in situ spray lining has been used to provide a relatively impervious barrier between the water transported in the pipe and the inside pipe wall to prevent its corrosion and t I.B.\tHistory.\u2003The original pipe rehabilitation method of in situ spray lining used cement mortar, and this remains a standard practice in North America. Cement cure time is generally a minimum of 24 h before water can be introduced back into the main. Thu <\/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.\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 | II.D.\tPurchaser\u2019s Role.\u2003It is important in the application of spray-in-place polymers that the purchaser or its field representative ensures the constructor\u2019s adherence to the quality assurance plan and highlights any variations or omissions which could c II.C.\tConstructor Experience.\u2003The constructor shall have current training and certification from both the product supplier and the lining application equipment provider that the constructor is experienced in the successful application of the required spra 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 shall be provided by the purchaser: <\/td>\n<\/tr>\n | ||||||
14<\/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.\u2003Major revisions made to the standard in this edition include the following: <\/td>\n<\/tr>\n | ||||||
17<\/td>\n | AWWA Standard SECTION 1:\u2002GENERAL Sec.\u20021.1\tScope <\/td>\n<\/tr>\n | ||||||
18<\/td>\n | Sec.\u20021.2\tPurpose Sec.\u20021.3\tApplication SECTION 2:\u2002REFERENCES <\/td>\n<\/tr>\n | ||||||
19<\/td>\n | SECTION 3:\u2002DEFINITIONS SECTION 4:\u2002REQUIREMENTS Sec.\u20024.1\tMaterials <\/td>\n<\/tr>\n | ||||||
21<\/td>\n | Sec.\u20024.3\tStructural Classification of Lining Techniques <\/td>\n<\/tr>\n | ||||||
34<\/td>\n | Sec.\u20024.6\tPermeation <\/td>\n<\/tr>\n | ||||||
35<\/td>\n | SECTION 5:\u2002VERIFICATION Sec.\u20025.1\tQuality Assurance and Control Records Sec.\u20025.2\tBasis for Rejection SECTION 6:\u2002DELIVERY Sec.\u20026.1\tAffidavit of Compliance <\/td>\n<\/tr>\n | ||||||
37<\/td>\n | PROVIDING A TEMPORARY WATER SUPPLY SYSTEM <\/td>\n<\/tr>\n | ||||||
41<\/td>\n | Spray-In-Place Polymeric (SIPP) Lining Faults <\/td>\n<\/tr>\n<\/table>\n","protected":false},"excerpt":{"rendered":" AWWA C620-19 Spray-In-Place Polymeric Lining for Potable Water Pipelines, 4 In. (100 mm) and Larger<\/b><\/p>\n |