This standard describes the composition, performance requirements, construction practices and workmanship, design, and methods of testing thermosetting fiberglass-reinforced plastic (FRP) tanks for the storage of water or other liquids used in water supply service.<\/p>\n
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| 7<\/td>\n | Foreword I.\tIntroduction. I.A.\tBackground.\u2003The purpose of this standard is to establish the significant quality requirements for commercially available thermosetting fiberglass-reinforced plastic (FRP) tanks for use in the water industry. This standard is based on the technology f I.B\tHistory.\u2003In June 1971, the Engineering and Construction Committee, appointed by the AWWA Technical and Professional Council, evaluated the use of reinforced plastics in the water industry and found sufficient use of products made from this material to Foreword I.\tIntroduction. I.A.\tBackground.\u2003The purpose of this standard is to establish the significant quality requirements for commercially available thermosetting fiberglass-reinforced plastic (FRP) tanks for use in the water industry. This standard is based on the technology f I.B.\tHistory.\u2003In June 1971, the Engineering and Construction Committee, appointed by the AWWA Technical and Professional Council, evaluated the use of reinforced plastics in the water industry and found sufficient use of products made from this material t <\/td>\n<\/tr>\n | ||||||
| 8<\/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 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 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. Section III.A summarizes supplemental inform III.A.\tPurchaser Options and Alternatives.\u2003Purchasers are advised that, while this standard presents information on materials and procedures for manufacture of the tank, it does not contain complete engineering information needed to prepare complete requi 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. Section III.A summarizes supplemental inform III.A.\tPurchaser Options and Alternatives.\u2003Purchasers are advised that, while this standard presents information on materials and procedures for manufacture of the tank, it does not contain complete engineering information needed to prepare complete requi <\/td>\n<\/tr>\n | ||||||
| 11<\/td>\n | III.B\tModification to Standard.\u2003Any modification to the provisions, definitions, or terminology in this standard must be provided by the purchaser. III.C\tInformation to Be Supplied by Manufacturer.\u2003When required, the manufacturer or its representative shall submit, for acceptance by the purchaser, certified drawings showing the principal dimensions, construction details, and materials used for the fa IV.\tMajor Revisions.\u2003Major revisions made to the standard in this edition include the following: III.B.\tModification to Standard.\u2003Any modification to the provisions, definitions, or terminology in this standard must be provided by the purchaser. III.C.\tInformation to Be Supplied by Manufacturer.\u2003When required, the manufacturer or its representative shall submit, for acceptance by the purchaser, certified drawings showing the principal dimensions, construction details, and materials used for the f IV.\tMajor Revisions.\u2003Major revisions made to the standard in this edition include the following: <\/td>\n<\/tr>\n | ||||||
| 12<\/td>\n | V.\tComments.\u2003If you have any comments or questions about this standard, please call AWWA Engineering 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 e-mail at stand V.\tComments.\u2003If you have any comments or questions about this standard, please call AWWA Engineering 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 e-mail at stand <\/td>\n<\/tr>\n | ||||||
| 13<\/td>\n | AWWA Standard SECTION 1:\u2002GENERAL Sec.\u20021.1\tScope AWWA Standard SECTION 1:\tGENERAL Sec. 1.1\tScope <\/td>\n<\/tr>\n | ||||||
| 14<\/td>\n | Sec.\u20021.2\tPurpose Sec.\u20021.3\tApplication SECTION 2:\u2002REFERENCES Sec. 1.2\tPurpose Sec. 1.3\tApplication <\/td>\n<\/tr>\n | ||||||
| 16<\/td>\n | SECTION 3:\u2002DEFINITIONS <\/td>\n<\/tr>\n | ||||||
| 17<\/td>\n | SECTION 4\u2002REQUIREMENTS Sec.\u20024.1\tClassification Sec.\u20024.2\tPotable Water Service Sec.\u20024.3\tMaterials SECTION 4\tREQUIREMENTS Sec. 4.1\tClassification Sec. 4.2\tPotable Water Service Sec. 4.3\tMaterials <\/td>\n<\/tr>\n | ||||||
| 18<\/td>\n | Sec.\u20024.4\tGeneral Requirements Sec. 4.4\tGeneral Requirements <\/td>\n<\/tr>\n | ||||||
| 19<\/td>\n | Sec.\u20024.5\tDesign Sec. 4.5\tDesign <\/td>\n<\/tr>\n | ||||||
| 21<\/td>\n | Sec.\u20024.6\tPhysical and Mechanical Properties of Tank Shell Sec.\u20024.7\tEnvironmental Resistance of Tank Shell Sec. 4.6\tPhysical and Mechanical Properties of Tank Shell Sec. 4.7\tEnvironmental Resistance of Tank Shell <\/td>\n<\/tr>\n | ||||||
| 22<\/td>\n | Sec.\u20024.8\tLeakage Under Internal Pressure Sec.\u20024.9\tAdditional Requirements for Underground Tanks Sec.\u20024.10\tConstruction Sec. 4.8\tLeakage Under Internal Pressure Sec. 4.9\tAdditional Requirements for Underground Tanks Sec. 4.10\tConstruction <\/td>\n<\/tr>\n | ||||||
| 30<\/td>\n | Sec. 4.11\tPermeation SECTION 5:\tVERIFICATION Sec. 5.1\tBasis for Rejection Sec. 5.2\tGeneral <\/td>\n<\/tr>\n | ||||||
| 31<\/td>\n | Sec. 5.3\tProduction Tests <\/td>\n<\/tr>\n | ||||||
| 32<\/td>\n | Sec.\u20024.11\tPermeation SECTION 5:\u2002VERIFICATION Sec.\u20025.1\tBasis for Rejection Sec.\u20025.2\tGeneral Sec. 5.4\tPhysical and Mechanical Properties of Tank Shell <\/td>\n<\/tr>\n | ||||||
| 33<\/td>\n | Sec.\u20025.3\tProduction Tests Sec. 5.5\tEnvironmental Resistance <\/td>\n<\/tr>\n | ||||||
| 34<\/td>\n | Sec.\u20025.4\tPhysical and Mechanical Properties of Tank Shell <\/td>\n<\/tr>\n | ||||||
| 35<\/td>\n | Sec.\u20025.5\tEnvironmental Resistance Sec. 5.6\tAdditional Tests for Underground Tanks <\/td>\n<\/tr>\n | ||||||
| 36<\/td>\n | Sec. 5.7\tAboveground-Tank Surface Burning Characteristics <\/td>\n<\/tr>\n | ||||||
| 37<\/td>\n | Sec.\u20025.6\tAdditional Tests for Underground Tanks Sec. 5.8\tRetest Sec. 5.9\tInspection and Testing by Purchaser SECTION 6:\tDELIVERY Sec. 6.1\tMarking <\/td>\n<\/tr>\n | ||||||
| 38<\/td>\n | Sec. 6.2\tPackaging and Shipping Sec. 6.3\tHandling <\/td>\n<\/tr>\n | ||||||
| 39<\/td>\n | Sec.\u20025.7\tAboveground-Tank Surface Burning Characteristics Sec.\u20025.9\tInspection and Testing by Purchaser SECTION 6:\u2002DELIVERY Sec.\u20026.1\tMarking Sec. 6.4\tInstallation Sec. 6.5\tAffidavit of Compliance <\/td>\n<\/tr>\n | ||||||
| 41<\/td>\n | APPENDIX A Explanatory Notes to D120 APPENDIX A Explanatory Notes to D120 <\/td>\n<\/tr>\n | ||||||
| 43<\/td>\n | APPENDIX B Pre-installation Site Analysis for Underground Tanks <\/td>\n<\/tr>\n | ||||||
| 45<\/td>\n | APPENDIX C Accessories for Underground Tanks <\/td>\n<\/tr>\n | ||||||
| 47<\/td>\n | Flanged-Joint Bolts, Gaskets, and Installation APPENDIX D Flanged-Joint Bolts, Gaskets, and Installation <\/td>\n<\/tr>\n<\/table>\n","protected":false},"excerpt":{"rendered":" AWWA D120-19 Thermosetting Fiberglass-Reinforced Plastic Tanks<\/b><\/p>\n |