UA LID / Surface Water Projects The Paradigm - Water is a Problem, not a Resource.
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Transcript of UA LID / Surface Water Projects The Paradigm - Water is a Problem, not a Resource.
![Page 1: UA LID / Surface Water Projects The Paradigm - Water is a Problem, not a Resource.](https://reader035.fdocuments.us/reader035/viewer/2022062423/56649cf65503460f949c665a/html5/thumbnails/1.jpg)
UA LID / Surface Water Projects
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The Paradigm - Water is a Problem, not a Resource
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A shift….
Student led rain water harvesting project – AME Building, UA Campus
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Highland Parking Garage Multi-purpose Basin / Open Space
and
Water Harvesting Micro-basins
Helen Street
Hig
hla
nd
Av
e.
Looking West after a monsoon
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Highland Parking Garage Multi-purpose Basin / Open Space and Water Harvesting Micro-basins
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Rain collects in landscaped low end of basin – allows lawn to dry sooner. Area includes large french drain. 4
4
5
Rain bubbles onto lawn, percolating and watering lawn as it runs toward low point on the west. 3
1 Rain captured on roof directed to drains
2 Roof runoff directed via pipe to bubbler in lawn (red dot)
5 Overflow pipe for depths greater than 2’-3’
Flows
East
No
rth
West
3
= Water harvesting micro-basin.
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Prerequisite to creating 100 bathtub sized catchments – create many smaller outlets
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UA Visitor Center Landscape Renovation
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Lynch Pavilion Water Harvesting Terraces
University Blvd.
Ca
mp
be
ll A
ve
.
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Lynch Pavilion Water Harvesting Terraces
1
2
3
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2
3
1 Water collects from roofs and plaza into drain pipes
2 Water bubbles up (red dots) into landscape terrace
3 Water cascades between terraces through weirs, eventually spilling to lawn
Design Intent
[SF, volume]
[SF, volume]
[SF, volume]
Status: Experimenting with bubblers to get water to surface. An existing outlet pipe to a
storm sewer at the bottom of the bubblers prevents water from reaching the surface. East
West
No
rth
Un
iver
sity
Bo
ule
var
dS
ou
th
Urban Response – Surface Structures
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Urban Response – Surface Structures
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Permeable surface….Impermeable sub-surface?
Urban Response – Surface and Subsurface Structures
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Structural Soil
Urban Response – Surface and Subsurface Structures
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Bear Down Field Tank
3. 3 Acre Feet
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Sixth Street Residence Halls(currently under construction)
Rain water from roof directed into landscape basinsWater ponding in basins balanced/metered via connected inlets/outlets
Overflow for large events
Detention bleed-off from Bear Down tank into infiltration chambers
Infiltration chambers overflow into perforated pipes buried beneath landscape
Overflow from infiltration tanks, if system becomes fully charged in large events, into basin
Final overflow to street
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Student Rec Addition
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Speedway Boulevard
Mo
un
tain
Av
e.CALA
ExpansionWater Garden
CALA ExpansionWater Garden
Urban Response – Surface and Subsurface Structures - Tanks
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2
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Watershed – CALA building addition roof runoff & AC condensate directed to cisternCistern (blue circle) integrated into 3-story building. Overflows via scupper into pond. Water is used to irrigate landscape using pump.
Pond – fed by cistern, surface collection. Re-circulates through scupper
Flows
1
2
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6
Architecture Building Water GardenArchitecture Building Water Garden
1
3
4
5
6
Urban Response – Surface and Subsurface Structures - Tanks
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