Aiming for No Impact: Net Zero Building Enclosures
Net Zero What? Facades+ 4 April 2019
Dirk Kestner Director of Sustainable Design Walter P Moore
How some think of “Net Zero”
What Actually Happens
Cumulative Emissions
The Area Under the Curve
Without an Embodied Strategy
We Must Broaden the Definition
CONSIDER BOTH OPERATIONAL AND EMBODIED IMPACTS
Extraction from nature
MATERIAL EXTRACTION
Emission to nature
MANUFACTURING + PRODUCTION
cradle to cradle
CONSTRUCTION cradle to grave
RECYCLING
DISPOSAL USE
DEMOLITION
MAINTENANCE + REUSE
Not All Electrons Are Equal….
The Area Under the Curve
The Area Under the Curve
Gaylord Opryland Indoor Waterpark Architect: BLUR Workshop – Atlanta Façade Consultants: Walter P Moore – Los Angeles Case Study Project Project Conditions: -Long Span Enclosures -Roof Skylights and Facades -Unique Indoor environment – potential corrosion
Long-Span Glass Systems
Long-Span ETFE Systems
OPTION
SUB-STRUCTURE
FACADE
ROOF
COST $/SF
1
GLULAM
GLASS
GLASS
58.50$
2
STEEL
GLASS
GLASS
60.81$
3
GLULAM
ETFE
ETFE
34.21$
4
STEEL
ETFE
ETFE
33.71$
Costs are for enclosure, Tertiary Elements and Skin Material only. Sub-structure not included
OPTION
SUB-STRUCTURE
FACADE
ROOF
COST $/SF
1
GLULAM
GLASS
GLASS
58.50$
2
STEEL
GLASS
GLASS
60.81$
3
GLULAM
ETFE
ETFE
34.21$
4
STEEL
ETFE
ETFE
33.71$
5
GLULAM
GLASS
ETFE
46.38$
Costs are for enclosure, Tertiary Elements and Skin Material only. Sub-structure not included
What Causes The Impacts
What Causes The Impacts – By Material
Houston Advanced Research Center Architect: Gensler - Houston Consultants: Walter P Moore – Austin Case Study Project Project Conditions: - Owner: Non-Profit Environmental Research Group - Net Zero or Net Zero Ready - Total Carbon Considerations - LEED Platinum
At The Building Scale
The “Pre-2030” Area Under the Curve
Continue the Dialogue Dirk Kestner dkestner@walterpmoore.com