Greg Stacy M.Arch University of Oregon Thesis Project 2016-2017
Energy density is directly related to the density of the material, and water is 832 times more dense than air. Water can capture and channel far more energy per unit volume of air. -Kiel Moe “Thermal Active Surfaces�
Black Cottonwood Doug-Fir
Wetlands
Oak
Grass
Willow
In 2012, U.S. clean Water needs for building new and updating existing wastewater treatment plants, pipe repair and new pipes, and combined sewer overflow Corrections were $102.0, $95.7, and $48.0 billion, respectively.
60%
Total percent of impervious surfaces in Portland Area
CURRENT NEIGHBORHOOD CONDITIONS
360k
Rooftop surface area across neighborhood (sq. ft.)
210k
Str nei
FUTURE NEIGHBORHOOD VISION OBJECTIVES
90%
75%
Rooftop Permeability (Gal/year) 457,307
25,405 (5%)
Wind Speed m/s m/s
Permeability
Street Width ft.
Rainwater Collection
S P (
58510 Gal/year 11,7
9,1 79 ,4 1
reet surface area across ighborhood.
0
ear l/y Ga
2,18490 7G al
4x
r ea /y
Street Permeability (Gal/year)
18%
2,405,191 1,778,427 (37%)
Current State Collection Rate
80%
Future Vision Collection Rate
BUILDING PR
Can architecture be a host that with stormwater managemen the impact of modern HVAC systematic relationship betwe zones of bu
ROTOTYPE
t pairs air delivery systems nt techniques to minimize C systems by creating a een high and low energy uildings.
Forced Air - Urban Runoff
Humidity - Rainwater
m
m/s
Evaporation - Reserve Tank
2x
Increase in storm-water collection from 66% street size reduction Total Water Collection: 2,862,498
16x
More rainwater collection from green roof implementation across
North to South automobile oriented streets
East to West pedestrian oriented streets
60’
Wide streets create diverse streetscapes that aid in site circulation
Central East Si Office & Co-W
How can the building prototype becom office building that promotes heathly a have little dependance on tr
ide Portland Work Space
me a model for a mixed use shared and comfotable work spaces which raditional HVAC systems.
OFFICE BUILDING PROGRAM DISTRIBUTION
HIGH ENERGY SPACES
Technology Office Workstations & Cubicles
Open workstation space & server room Small private office & conference rooms Breakout spaces & community spaces Unconditioned space & circulation
Server Rooms & Mechanical Equipment Room
LOW ENERGY SPACES
m/s
100k
4 Private office & conference spaces
Air Delivery Spaces
Traditional Program separation on single floorplate
2 55% Open air common spaces & Breakout spaces
Traditional forced air floorplate (sq. ft.)
Air Delivery Spaces
High energy and Low Energy program organization
Reduction of force air HVAC floorplate
HIGH ENER
Urban R
RGY ZONE
Runoff
LOW ENERGY SPACES
Main Office Program
Tech. Office & Workstations
Server Room & Mech. Room
ZONE 1: High Energy
Sys
Humidificat Dehumidificatio
stem Interventions
tion & on Screen Detail of less transparent metal fin steel facade
42k
Total High Energy Zone Floorplate Size (sq. ft.) Server & Mech. Rooms Workstation & Tech. Office
Main program distribution based on air delivery needs
System Influences
Permeability
Street Width ft.
Solar Chimney/ Exhaust Vent
Radiant System
Serv
1. Collect - Combination of urban
runoff and rainwater collection.
2. Filter - Aggregate filtration paired with gravity fed systems. 3. Distribute - use filtered water for chilling system, radiant cooling, 2. Recycle - Use gray water to supply the radiant system and services
ver Room
Distribution
Collection
and toilets. through the building.
Filter
Reuse
Typical Grou Mixed-Use le
4
Atrium Service Cores & Thermal comfort screens Service Stairs [enclosed] Exposed Water Pipes Solar Chimney Air Gap CLT Shear Wall
2
Humidity Screen
Solar Chimney’s & Server exhaust vents
Diagram Showing the zone one forced air system and the zone 2 radiant system
m/s
und floor Plan ease space Double Skin & metal fin facade system
Diagram showing the “cores” organization throughout the building
Glulam Post & Beam System
Main service & performance cores
103’ x 210 buildable footprint size
m/s
LOW ENER
Rainwater Collectio
RGY ZONE
on & Water Storage
LOW ENERGY SPACES
Main Office Program
Co-Work Space
Open Air Public Space
ZONE 2: Low Energy
Sys
Humidification & Dehumidification Scr
stem Interventions
& reen
Double-Skin Breathable Facade
Detail system of facade and screen working together.
64k
Total Low Energy Zone Floorplate Size (sq. ft.) Unconditioned Space Breakout Space Co-Work Office
Main Program distribution based on Air Delivery needs
System Influences
m/s Rainwater Collection
Wind Speed m/s
Summer North Prevailing winds off the Willamette
m/s
Location of High performance Facades Throughout the building
Winter
South Prevailing winds off the Willamette
665
Monthly rainwater collection chart *Rainfall averages based off 2016-2017 Portland, OR weather data. Collection information is based off monthly supply and demand of building loads.
5.7”
32k
+
4.3”
13k
+
3.1”
4.2”
12k
2k
+
+
January
February
March
April
2.6”
1.8”
0.7”
0.7”
1k
+
-
-
16k
-
22k
-
22k
May
June
July
August
1.5”
3.3”
6.4”
6.4”
20k
September
13k
+
October
November
+
42k
+
42k
December
Total Build
ding Occupancy
44k 12,000
Total indoor water usage for office building (gal/month) Water Storage Tank (gal)
m/s
m/s