Technology in Architecture
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Transcript of Technology in Architecture
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Technology in ArchitectureTechnology in ArchitectureTechnology in ArchitectureTechnology in Architecture
Lecture 15
Waste & Vent SystemsWaste & Vent Sizing Procedure
Bathroom Design
Lecture 15
Waste & Vent SystemsWaste & Vent Sizing Procedure
Bathroom Design
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Waste & Vent SystemsWaste & Vent SystemsWaste & Vent SystemsWaste & Vent Systems
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FundamentalsFundamentals
Siphon action can drain water
Trap blocks sewer gas
Vent breaks siphon
S: p. 1006, F.22.8
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Air GapsAir Gaps
Eliminate the potential for cross contamination
S: p. 1009, F.22.11
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Vents and StacksVents and Stacks
Individual ventsCircuit ventsSoil stackVent stackStack vent
“Wet stack”
Vent through roof (VTR)
S: p. 1008, F.22.10
Note: Drain fittings are 45º
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Drains & SewersDrains & Sewers
House drainHouse sewerStorm drain
Clean outsHouse trapsFresh air inlet
S: p. 1007, F.22.9
Note: Drain fittings are 45º
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Waste & Vent Sizing Waste & Vent Sizing ProcedureProcedureWaste & Vent Sizing Waste & Vent Sizing ProcedureProcedure
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1. Identify waste & soil locations1. Identify waste & soil locations
Clusters are more efficient
S: p. 1014, F.22.17
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2. Layout system 2. Layout system vertically & horizontallyvertically & horizontally
Grouped fixtures can be stacked in a vertical riser
S: p. 1027, F.22.31
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3. Size Traps3. Size Traps
Trap size is usedwhen connectingto main
S: p. 1017, T.22.2
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4. Calculate 4. Calculate Drainage Fixture Drainage Fixture Units (DFU) Units (DFU)
Pipe sizes based on DFU
S: p. 1017, T.22.2.2
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5. Determine loads5. Determine loads
Fixture location may control size
S: p. 1022, F.22.24
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6. Determine slope and size of 6. Determine slope and size of horizontal drains horizontal drains
Slope may be constrained by depth of floor cavity
S: p. 1020, T.22.5
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7. Verify maximum vent length7. Verify maximum vent length
Measured from plans
S: p. 1022, F.22.24
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8. Size vents according to 8. Size vents according to DFU and length DFU and length
Calculate for each vent load and developed length
S: p. 1019, T.22.4
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9. Verify space requirements 9. Verify space requirements and adjust designand adjust design
Common adjustments “Wet” walls 6” cavity Slope and ceiling exposure Cleanout access
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Bathroom DesignBathroom DesignBathroom DesignBathroom Design
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Design ConsiderationsDesign Considerations
ADA compliance ANSI Standard A117.1 1986 Wheel chair access Grab bars Counter top/fixture heights
Visual privacyAcoustical privacy
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