Construction and Design Standards
Use the links below to download each Appendix of TMWA's Construction and Design Standards in either AutoCAD as a zip folder or in .pdf format. Sections 1 through 9 are available in .pdf format only.
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Sections 1 through 9 REVISION DATE: May 2024
Appendix 10A, Backflow Prevention Assemblies REVISION DATE: May 2024.
Appendix 10B, Distribution Branch Installations REVISION DATE: May 2024
Appendix 10C, Distribution Transition Fittings REVISION DATE: May 2024
Appendix 10D, Distribution Tap Assemblies - 4" through 12" REVISION DATE: May 2024
Appendix 10E, Flush Assembly Installations REVISION DATE: May 2024
Appendix 10F, Fire Protection Installations REVISION DATE: May 2024
Appendix 10G, Horizontal Elbow Installations - NO LONGER IN USE
Appendix 10H, Service Tap Installations - 1" through 2" REVISION DATE: May 2024
Appendix 10I, Vertical Elbow Installations REVISION DATE: May 2024
Appendix 10J, Distribution Valves REVISION DATE: May 2024
Appendix 10K, Small Water Meters - 3/4" through 2" REVISION DATE: May 2024
Appendix 10L, Miscellaneous Water Details REVISION DATE: May 2024
Appendix 10M, Large Water Meters - 4" and 6" REVISION DATE: May 2024