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Technology in Architecture Lecture 15 Waste & Vent Systems Waste & Vent Sizing Procedure Bathroom Design Lecture 15 Waste & Vent Systems Waste & Vent Sizing.

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Presentation on theme: "Technology in Architecture Lecture 15 Waste & Vent Systems Waste & Vent Sizing Procedure Bathroom Design Lecture 15 Waste & Vent Systems Waste & Vent Sizing."— Presentation transcript:

1 Technology in Architecture Lecture 15 Waste & Vent Systems Waste & Vent Sizing Procedure Bathroom Design Lecture 15 Waste & Vent Systems Waste & Vent Sizing Procedure Bathroom Design

2 Waste & Vent Systems

3 Fundamentals Siphon action can drain water Trap blocks sewer gas Vent breaks siphon S: p. 1006, F.22.8

4 Air Gaps Eliminate the potential for cross contamination S: p. 1009, F.22.11

5 Vents and Stacks Individual vents Circuit vents Soil stack Vent stack Stack vent “Wet stack” Vent through roof (VTR) S: p. 1008, F Note: Drain fittings are 45º

6 Drains & Sewers House drain House sewer Storm drain Clean outs House traps Fresh air inlet S: p. 1007, F.22.9 Note: Drain fittings are 45º

7 Waste & Vent Sizing Procedure

8 1. Identify waste & soil locations Clusters are more efficient S: p. 1014, F.22.17

9 2. Layout system vertically & horizontally 2. Layout system vertically & horizontally Grouped fixtures can be stacked in a vertical riser S: p. 1027, F.22.31

10 3. Size Traps Trap size is used when connecting to main S: p. 1017, T.22.2

11 4. Calculate Drainage Fixture Units (DFU) Pipe sizes based on DFU S: p. 1017, T

12 5. Determine loads Fixture location may control size S: p. 1022, F.22.24

13 6. Determine slope and size of horizontal drains 6. Determine slope and size of horizontal drains Slope may be constrained by depth of floor cavity S: p. 1020, T.22.5

14 7. Verify maximum vent length Measured from plans S: p. 1022, F.22.24

15 8. Size vents according to DFU and length Calculate for each vent load and developed length S: p. 1019, T.22.4

16 9. Verify space requirements and adjust design Common adjustments “Wet” walls  6” cavity Slope and ceiling exposure Cleanout access

17 Bathroom Design

18 Design Considerations ADA compliance ANSI Standard A Wheel chair access Grab bars Counter top/fixture heights Visual privacy Acoustical privacy

19


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