ACEEE: Don't build It, just change their operations

Don’t build it, just change their operations!

Signo Uddenberg Mark Miller Amy Nagengast 08.26.16 MKThink Copyright. Do not distribute without permission.

premise

we build a lot of stuff we don’t need because of an unquestioned perception of need

consequence

we use a lot of energy we wouldn’t need if we didn’t build the stuff we didn’t need

possibility

we can avoid energy use by not building that stuff...

the study Location: Oahu, Hawaii Building Tenant: US Navy Building Use: Office Building Size: 62,614 GSF (Gross Square Feet)

data collection Study Dates: Mar 19 - May 18 ‘15 Freq. Collect: 24/7 , 7 days/wk

400 people

379 people

(fire code)

(planning)

265 people (assigned)

326 people (desks) building capacity

149

326 people

% of Measurements

(desks) actual occupancy

5.0% 3.0 1.0 0%

occupancy level 50%

100%

(actual/capacity)

177 PEOPLE

capacity gap

FULL perception of occupancy and utilization

111 PEOPLE

80% TARGET

capacity gap

25k GSF latent capacity = GSF to build

225 GSF / PERSON

25k GSF = ~179,000 kWh annually operating energy use for additional GSF

1.85

kWh - Active Hrs

0.60 kWh - Inactive Hrs

25k GSF x ~500kWh per GSF = 12.6mil kWh GSF to build = high

embodied energy cost

134YRS of high performance operations to offset the embodied energy expended in building years to payback energy deficit w/a building

50% more efficient

why this happens

Complexity

Perception

too many buildings, people, projects

actual vs planned, feeling vs fact

not occupied

fully occupied

Room 1 Room 2 Room 3 Room 4 00:00

12:00 while it may feel like...

24:00

not occupied

fully occupied

Room 1 Room 2 Room 3 Room 4 00:00

12:00 while the reality is more likely

24:00

opportunity

by questioning the premise of building in the first place we can avoid unneeded energy use

potentional energy savings

move upstream

Design / Construct / Operate Process

opportunity

instead we can explore changes to operational decisions like density of space, scheduling of space, and other means to mitigate the need for new building, avoiding additional energy use

THANK YOU!

Don’t build it, just change their operations!

MKThink is the ideas company for the built environment. We are based in San Francisco, CA.

Signo Uddenberg | uddenberg@mkthink.com Mark Miller Amy Nagengast

Find out more at www.mkthink.com

08.26.16