Building Skin Practice

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Edward M Peck, AIA, LEED AP Vice President I Thornton Tomasetti I Building Skin Practice

Lance Evans Vice President I HKS I Sports and Entertainment

FACADES + Performance I Resilience

ETFE – Trend or Resilient Technology

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Define Resilience ETFE System Examples Technology – Components Technology – System Properties Future Developments System Suppliers Case Studies

ETFE – Trend or Resilient Technology

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RESILIENCE I The Intentional Design of Buildings in Response to Vulnerabilities to Disasters Scenarios RESILIENCE I Life and Longevity of Building Systems During Standard Operation – Holistic Durability RESILIENCE I Technology Stands the Test of Time – Performance Requirements of Today and the Future

ETFE – Trend or Resilient Technology

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Resilience I Disasters Scenarios I Specific to Location / Region Resilience I Holistic Durability I Life Safety Resilience I Sustainability I To Endure I Performative Design

ETFE – Trend or Resilient Technology

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Today I The Technology is Associated with Innovative and Iconic Structures Tomorrow I Will the Technology Transition to Mainstream Architecture? Resilience I Performance Requirements of Today and the Future

ETFE – Trend or Resilient Technology

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Today I Innovative and Iconic Structures

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Building Skin Practice Eden Biomes

Iconic Example I 2000

Vector Foiltec

Building Skin Practice National Space Centre

Iconic Example I 2002

SuperSky

Building Skin Practice Allianz Arena

Iconic Example I 2006

Seele Cover (Covertex)

Building Skin Practice National Swimming Center - WaterCube

Iconic Example I 2008

Vector Foiltec

Building Skin Practice Sochi 2014

Iconic Example I 2014

Vector Foiltec

Building Skin Practice Minnesota Multipurpose Stadium

Iconic Example I 2016

Vector Foiltec

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Today and Tomorrow I Transition into Mainstream Architecture Potential Tipping Point of the Technology

Comparable Materials and Technologies Still Dominate Market

Moving Beyond Trend

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Building Skin Practice Chelsea Hospital I Early Example of Program

Technology Development I 1986

Vector Foiltec

Building Skin Practice Hampshire Tennis Complex I Cable Structure

Technology Development I 1996

Vector Foiltec

Building Skin Practice Festo Headquarters I Dynamic Shading

Technology Development I 2000

Vector Foiltec

Building Skin Practice Kapuziner Atrium – Existing Building

Technology Development I 2002

Vector Foiltec

Building Skin Practice Oval Complex Atrium I Lightweight Solution

Technology Development I 2004

Vector Foiltec

Building Skin Practice Art Center College of Design I First US Project

Technology Development I 2004

Vector Foiltec

Building Skin Practice Siren Photography Studio I Façade Application

Technology Development I 2004

Vector Foiltec

Building Skin Practice US Federal Building – ATF I Blast Considerations

Technology Development I 2006

Vector Foiltec

Building Skin Practice Charlotte Light Rail I Single Layer

Technology Development I 2007

Structureflex

Building Skin Practice Boca Raton Resort and Club I Hurricane Considerations

Technology Development I 2007

Building Skin Practice Unilever Headquarters I Double Wall Integration

Technology Development I 2009

Vector Foiltec

Building Skin Practice SUNY Albany Canopy I Existing Building

Technology Development I 2011

Novum

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CURTAIN WALL + ETFE

Yonkers Race Track I LED Integration

Technology Development I 2013

Birdair I Seele

Building Skin Practice Dolce Vita Shopping Center I Foil Compositions

Technology Development I 2010

Hightex

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Technology – Components

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Building Skin Practice Composition of ETFE

Technology

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Strain

Stress Steel

ETFE-film

ETFE Stress Strain Diagram

Technology

Building Skin Practice Foil Systems I Single Layer Membrane I Pneumatic Panels

Technology

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Cladding / ETFE Foils– single layer

Frame / Pressure Plate – attachment to support structure

Cable / Rod Tie Downs

Single Layer Membrane I Typical Edge Condition

Technology

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Technology

Cladding / ETFE Foils – Multiple Layers

Extrusion / Pressure Cap – Capture of ETFE

Bracket / Upstand – connection to structure

Building Skin Practice Two Types of Engineering Strategies

Technology

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Clear Foil

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Dot-Matrix

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Custom Print

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White

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Color Tints

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Closed

Open

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Technology – System Properties

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daylighting control I variability

geometric capacities – free form

structural performance – long-span / blast performance

variable thermal properties

catalyst for passive concepts

acoustic performance

fire self-venting / noncombustible

unaffected by atmospheric pollution / low maintenance

ecologically friendly / energy efficient

lighting / projection opportunities

Technology I System Properties / Advantages

Building Skin Practice Daylight Control I Variability

Technology I System Properties

Building Skin Practice Geometric Capacities

Technology I System Properties

Building Skin Practice Structural Performance

Technology I System Properties

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3 layer system 5 layer system

Btu/h ft² f°

u-value .345 .208

Thermal Performance I Variable

Technology I System Properties

Building Skin Practice Acoustic

Technology I System Properties

Building Skin Practice Catalyst for Sustainable / Passive Concepts

Technology I System Properties

Building Skin Practice Fire Characteristics

Technical I System Properties

Building Skin Practice Life / Longevity I Low Maintenance

Technical I System Properties

Building Skin Practice Ecology I Low Embodied Energy

Technology I System Properties

Building Skin Practice Ecology I Weight

Technology I System Properties

Building Skin Practice Light Projections / Display

Technology I System Properties

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Technology I Future Developments

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Super Insulators I Nanogel Integration

PV Integration

Selective Coatings

LED Grid Integration

Composite System Development

Technology I Future Developments

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CURTAIN WALL + ETFE FABRIC + ETFE ETFE SPECIALIST

Birdair

ETFE Manufacturers

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Case Studies

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Before

After

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Existing Condition: The Metro Dome

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Metro Dome Next 2007-2009

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2 Major Collapses

Great Recession Metro Dome roof collapse 2010

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Do You Need Retractably?

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Minneapolis Multi-Purpose Stadium

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Big Picture Planning Response

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In the Past and Present

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Geography

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I. Climate II. Connection

III. Sustainability IV. Technology

Why ETFE

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I. Climate

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Typical Stadia Structure

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$85M → $150M

$93M → $135M

$90M → $140M

$70M → $125M

40%-50% PREMIUM FOR A RELATIVELY FLAT OR SHALLOW SLOPED ROOF IN MINNEAPOLIS 40%-50% Premium For a Relatively Flat or Shallow Sloped Roof in Minneapolis

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Rule Number One:

Get The Snow Off The Roof

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04 RESULT 01 GENERIC 02 ADAPT 03 RESPOND

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Snow Removal Strategy

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ETFE’s Effect

13 psf reduction in snow loading

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PANEL LENGTH

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300+ ft

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Case Study

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LOAD CASES

Proposed Adjustment to Base Detail

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WELD I SNOW CABLE I PRINT PATTERN - ORIENTATION

Snow Cable - Perpendicular

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The Super Truss: One of the Lightest Roof Structures in the NFL

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II. Connection

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The MET

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Ability to Grow Turf

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Operability

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Clear is the New Retractable

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III. Sustainability

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Solar Heat Gain Advantages/Disadvantages

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Solar Heat Gain Advantages/Disadvantages

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Solar Heat Gain Advantages/Disadvantages

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Solar Heat Gain Advantages/Disadvantages

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Solar Heat Gain Advantages/Disadvantages

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Opportunity Due To Exposure

Sustainability Analysis – Solar Radiation

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IV. Technology

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Integral Lighting

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IV. Technology