M.Arch Thesis University of Oregon

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