Part 7 - Plumbing

7.1. General 7.0.1. Scope ............................................................................. 3 7.1.1. Application .................................................................... 3 7.1.1A. Definitions ..................................................................... 3 7.1.1B. Plumbing Facilities ....................................................... 3 7.1.2. Service Connections .................................................... 4 7.1.3. Location of Fixtures ..................................................... 5 7.1.3A. Accommodating Movement ........................................ 5 7.1.4. Seismic Design ............................................................. 5

7.2. Materials and Equipment 7.2.1. General .......................................................................... 6 7.2.2. Fixtures.......................................................................... 7 7.2.3. Traps and Interceptors ................................................ 8 7.2.4. Pipe Fittings .................................................................. 9 7.2.5. Non-Metallic Pipe and Fittings .................................... 11 7.2.6. Ferrous Pipe and Fittings ............................................ 15 7.2.7. Non-Ferrous Pipe and Fittings .................................... 18 7.2.8. Corrosion Resistant Materials .................................... 19 7.2.9. Jointing Materials ......................................................... 20 7.2.10. Miscellaneous Materials .............................................. 20 7.2.11. Water Service Pipes and Fire Service Mains ............. 25

7.5. Venting Systems 7.5.1. Vent Pipes for Traps .................................................... 54 7.5.2. Wet Venting .................................................................. 55 7.5.3. Circuit Venting ............................................................. 55 7.5.4. Vent Pipes for Stacks .................................................. 56 7.5.5. Miscellaneous Vent Pipes .......................................... 57 7.5.6. Arrangement of Vent Pipes ......................................... 58 7.5.7. Minimum Size of Vent Pipes ....................................... 60 7.5.8. Sizing of Vent Pipes ..................................................... 62 7.5.9. Air Admittance Valves ................................................. 65

7.3. Piping 7.3.1. Application .................................................................... 27 7.3.2. Construction and Use of Joints .................................. 27 7.3.3. Joints and Connections ............................................... 29 7.3.4. Support of Piping ......................................................... 31 7.3.5. Protection of Piping ..................................................... 33 7.3.6. Testing of Drainage and Venting Systems ................ 35 7.3.7. Testing of Potable Water Systems ............................. 36 7.4. Drainage Systems 7.4.1. Application ................................................................... 37 7.4.2. Connections to Drainage Systems ............................ 37 7.4.3. Location of Fixtures ..................................................... 38 7.4.4. Treatment of Sewage and Wastes .............................. 39 7.4.5. Traps ............................................................................. 40 7.4.6. Arrangement of Drainage Piping ................................ 42 7.4.7. Cleanouts ..................................................................... 43 7.4.8. Minimum Slope and Length of Drainage Pipes ........ 45 7.4.9. Size of Drainage Pipes ................................................ 46 7.4.10. Hydraulic Loads ........................................................... 49

7.6. Potable Water Systems 7.6.1. Arrangement of Piping ................................................ 66 7.6.2. Protection from Contamination .................................. 69 7.6.3. Size and Capacity of Pipes ......................................... 73 7.6.4. Water Efficiency ........................................................... 77

7.7. Non-Potable Water Systems 7.7.1. Non-Potable Water Systems ...................................... 78 7.7.2. Non-Potable Rainwater Harvesting Systems ............ 79 7.7.3. Non-Potable Water Systems for Re-Use Purposes .. 80