Portland, OR DESIGN ENGAGEMENT - WoodWorks
Transcript of Portland, OR DESIGN ENGAGEMENT - WoodWorks
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DESIGN
ENGAGEMENTBuilding the Team and
Managing the Design
Portland, OR
BRAD NILE, AIAAndersen Construction
Kevin Bittenbender
Bensonwood
Disclaimer: This Presentation was developed by a third party and
is not funded by WoodWorks or the Softwood Lumber Board.
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Disclaimer: This presentation was developed by a third party and is not funded by WoodWorks or the Softwood Lumber Board.
Mass Timber Construction
Management: Design through
Project Close Out
Presented by Brad Nile and Kevin Bittenbender
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“The Wood Products Council” is a
Registered Provider with The
American Institute of Architects
Continuing Education Systems
(AIA/CES), Provider #G516.
Credit(s) earned on completion of
this course will be reported to AIA
CES for AIA members. Certificates of
Completion for both AIA members
and non-AIA members are available
upon request.
This course is registered with AIA
CES for continuing professional
education. As such, it does not
include content that may be
deemed or construed to be an
approval or endorsement by the
AIA of any material of construction
or any method or manner of
handling, using, distributing, or
dealing in any material or product.
____________________________
__
Questions related to specific materials,
methods, and services will be addressed at the
conclusion of this presentation.
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Innovations in mass timber construction are offering new opportunities for the building industry. Products
such as cross-laminated timber (CLT) and glue-laminated timber (glulam) combine multiple laminations of
lumber to produce solid timber elements such as floor and wall panels, beams, and columns. These
elements have high strength-to-weight ratios, allowing them to replace more traditional construction
materials while providing sustainable systems that can meet code criteria for acoustics, fire-resistance,
seismic performance, energy efficiency, and more. However, while design and code aspects of mass timber
receive a great deal of focus, it is the construction aspects that often decide whether a project goes forward.
Mass timber construction has similarities to other systems, but it also has unique attributes—and a complete
understanding of the differences is key to efficient project cost estimation and efficient construction. This in-
depth, multi-faceted workshop will explore mass timber from design through preconstruction, fabrication,
erection, and project close-out. After setting the stage with an overview of mass timber products and
sustainability attributes, discussion will focus on construction topics, including risk analysis, cost case
studies design team interaction, cost optimization, scheduling, site planning, and other logistics. Intended for
construction industry professionals looking to gain a deep understanding of the unique attributes of mass
timber construction, this workshop will leave attendees with information they need to successfully bid and
construct a mass timber project.
Course Description
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1.Understand the preconstruction manager’s role in material
procurement and coordination of trades for code-compliant mass
timber projects.
2.Highlight effective methods of early design-phase cost estimation and
building official interaction on code compliance topics that keep mass
timber options on the table.
3.Discuss potential construction schedule savings and construction fire
safety practices realized through the use of prefabricated mass timber
elements.
4.Explore best practices for interaction between manufacturer, design
team and preconstruction manager that can lead to cost efficiency and
safety on site.
Learning Objectives
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“ Big breakthroughs
happen when what
is suddenly
possible meets
what is desperately
necessary.Thomas Friedman
6
Bensonwood
Keene, NH
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ANDERSEN CONSTRUCTIONPORTLAND, OR • SEATTLE, WA • BOISE, ID
BENSONWOODKEENE, NH
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INDUSTRY CHALLENGES
What solutions can we adopt
from other industries?
• What are the challenges?
• What are the solutions?
Corvallis, OR
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9
[www.curt.org]
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A Challenged History:
Built-in Inefficiency
• Weather-based delays
and shutdowns
• Linear Process
• Raw materials to
finished product under
difficult conditions
Skill Degradation
• Extreme personnel
turnover rates (20%-
60%)
• Majority of workers
have minimal education
• Lack of education, skills
& attitude for new
demands
• Minimal or zero
requirements
Poor Quality
• Buildings are the most
defective products
consumers purchase.
• 15% - 80% serious
defect rate
• Decades-long industry
culture of accepted
compromise
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CHALLENGES:
Field Labor
• Availability
• Skill
• Cost
• Productivity
Construction
Materials
• Cost
• Availability
• Sustainability
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SOLUTIONS:
Fully “Digitized“ Structure
• Model based survey & layout
• Subtrade Coordination
• Machine Files
• Off-site fabrication
Collaborative Delivery
• Design team buy-in
• Contractor buy-in
• Early trade partners
• All elements modeled
• Early and continuous planning
• 2014, Portland, OR
• Fully digitized concrete structure
• 100% prefab facade without the
possibility of field verification
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Other Industries Get It
Cruise ship bathroom pod Subassemblies built in a controlled environment
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Learn From EverywhereNEW ENGLAND
TF Legacy Building
Off-site Benefits and
Skills
3D Modeling Value
Discipline of Connections
Site Efficiency
Tools & Logistics
Discipline & Skills
SCANDINAVIA
Optimization
Most Off-Site
Construction Appropriate
Technology Best Energy
Standard Building
Science
Montage Design
JAPAN
Lean Manufacturing
Kaizen
Precision
Power of Modularity
Tradition of Perfection
GERMANY | AUSTRIA |
SWITZERLAND
CNC Tools
Software Lead
Technology Adaptation
Modern Manufacturing
Advanced Education for Trades
Durable Building Standard
HOLLAND
Open Building
Lives Must Prevail
Rational Design &
Building
Time based organization
Sustainability through
Adaptability
Dimensional Coordination
DIGITAL
DESIGN | BUILD
FRANCE
Pride in Craft/Training
Craft Knowledge
Personal Discipline
Humility
Historical Perspective
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Elsewhere: European Mass Timber
Models are an extension of their design and carpentry expertise.
Hermann Blumer,
Timber Engineer
Switzerland
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Blumer-Lehmann
Swatch Omega timber in the shop…
Gossau, Switzerland
Swatch Omega Headquarters
Shigeru Ban Architect
Biel, Switzerland
From
ArchDaily
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Intersection of StrategiesDesign | Build | Deliver | Digital Fabrication | Offsite
CNC
BIM
IPD
Virtual Building
Precision Team Collaboration
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1. Layout from plans
2. Cut
3. Attach
4. Measure
5. Order
6. Wait
7. Install
8. Measure
9. Cut
10. Fit
11. Repeat…
Site Process
VSBuilt From Model:Parallel Processing
Exterior
finish
Infill
Millwork
Foundation
& Structure
Shell
MEP
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Everything ModeledPlan, Deliver, and LEAD
THE POWER OF BIM
• Design = simulated building
• Automated PM information -
costs, supply chain, shipping, etc.
• Automated cutting and shaping
machine code
North Adams, MA
Bensonwood,
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Models now drive woodworking tools and off-site fabrication -
from cheese boards, to shear walls, to facade panels.
MADE IN THE SAME SHOP
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BIM to CNCOur Tireless Workers
Bensonwood • Walpole, NH Bensonwood • Keene, NH
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THE MODEL BECOMES THE BUILDING
• The shared work space for all contributors & team members
• First built in the model, and then assembled in the field
• Machine files are as close as we can get to 3D printing
Model based timber designs - Northern Italy
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Layout, cutting &
optimization
Bensonwood
Keene, NH
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Material HandlingAutomated inventory management
Bensonwood
Keene, NH
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Case Studies
& Examples
Rocking Shearwalls – Shop installation
Corvallis, OR
Boundary Anchorage and Energy Dissipation System
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Corvallis, OR
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If part of the building, it
MUST be included in the
model.
• What is the source of the model?
• Interface surfaces
• Un-modeled elements lead to
issues
• Components of light weight
• Appropriately timed coordination
is the key
• Figure out the MEP strategy
along with the structural frame
Oregon State University • Corvallis, OR
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Oregon State University • Corvallis, OR
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Oregon State University • Corvallis, OR
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Oregon State University • Corvallis, OR
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Oregon State University • Corvallis, OR
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Engagement of Team for System Decisions
• Project Goals
• Code Constraints
▪ Building Type
▪ 1 or 2 hour frame?
▪ Allowable Height
• Energy performance
• Carbon Sequestration
• Third party certifications
• Lateral system selection
▪ Braced frames
▪ Concrete cores
▪ CLT shear walls
• All timber structure
• Composite structure
• Bay layout & beam orientation
• Preferred details
• Schedule
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Case Studies
& ExamplesMEP routing designed WITH the framing layout design.
District Office, HACKER - Portland, ORUtility gap and beam-free colonnade.
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Portland, OR
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EXPOSED STRUCTURE STRATEGY
MECHANICAL SYSTEM SELECTION
SYSTEMS DISTRIBUTION STRATEGY
▪ Vertical risers
▪ Horizontal Distribution
CONSTRUCTABILITY
▪ Timber connection details
▪ Moisture Mitigation Planning
Early digital collaboration mean better decisions…
ASSIGNED SYSTEM PATHWAYS
▪ Sprinklers
▪ Vertical Electrical
▪ Horizontal Electrical
▪ Plumbing
▪ Fire alarm and electrical
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Case Studies & Examples
Design/Build Mass Plywood Stair Portland, OR
1. BIG IDEA
2. Sketch
3. Model
4. Review
5. Correct
6. Final Review
7. Final Check
8. Prepare Machine Files
9. Fabricate
10. Install
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Model snapshot of the machine files
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Stair stringer prototype.
(Wrong thickness.)
All components factory cut…
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Prototype
Development● First-time Components
● Engineering Verification
● Machine and material
limitations
Freres Plywood,
Lyons OR
Feature Stair
HACKER
Portland, OR
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Prototype Development
Detailed mock from the final model
Objectives:
1. Validate connector fire protection.
2. Further the team understanding.
3. Fit and finish confirmation.
Portland, OR
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47
Bath &
Mechanical
Room Pods
Bensonwood
Walpole, NH
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Bathroom
Pods
Montage
Bensonwood
Walpole, NH
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Cartridge
assembly
On-Site Cartridge
Installation
Bensonwood • Walpole, NH
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An integrated
design phase =
EFFICENT
CONSTRUCTION
● Productivity
● Reduced site impact
● Less waste
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Portland, OR
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Portland, OR
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Portland, OR
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Site Assembly
Bensonwood
North Adams, MA
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North Adams, MA
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North Adams, MA
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Important Differences
ON-SITE● Schedule allows for
field changes
● Each step adjusts to
previous dimension
and (in)accuracy
OFF-SITE● Less design flexibility
● Accuracy is paramount -
site portion affect install fit
● Cost may or may not be
higher, however time=$
● Anticipate need to protect
installed finish materials
● Design the schedule and
share extensively
VS
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Concluding Thoughts:
1. Assemble and integrated project team.
2. Get the code designation right.
3. Solve the long spans first.
4. Examine bay spacing for efficiency.
5. Model everything!
6. Integrate MEPS.
7. Uniform, efficient details.
8. Orchestrate the schedule.
9. Plan ahead for stain prevention and moisture management.
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Thank you for your participation.BRAD NILE, AIA
Andersen Construction
Kevin Bittenbender
Bensonwood
Portland, OR