Aiming for No Impact by Dirk Kestner from Walter P Moore

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