INNOVATION IN WOOD CONSTRUCTION Two Projects Copyrightt ... · Samuel Brighouse Elementary School...
Transcript of INNOVATION IN WOOD CONSTRUCTION Two Projects Copyrightt ... · Samuel Brighouse Elementary School...
INNOVATION IN WOTwo Projects
Presented on 2014.02.26 by Jana Foit
OOD CONSTRUCTIONCopyrightCopyright
This presentation is pThis presentation is pInternational Copyrigh
distribution, display andi h i iwithout written permis
prohib
© The Wood Prod
t Materialst Materialsprotected by US andprotected by US and
ht laws. Reproduction, use of the presentation
i f h k ission of the speaker isbited.
ucts Council 2014
“The Wood Products Council”is a Registered Provider with gThe American Institute of Architects Continuing Education Systems (AIA/CES) Provider #G516(AIA/CES), Provider #G516.
Credit(s) earned on completionof this course will be reported toAIA CES for AIA members.C ifi f C l i fCertificates of Completion forboth AIA members and non AIAmembers are available uponrequestrequest.
This course is registered withAIA CES for continuingprofessional education. Assuch, it does not includecontent that may be deemedor construed to be anor construed to be anapproval or endorsement bythe AIA of any material ofconstruction or any method ormanner ofhandling, using, distributing,or dealing in any material orproductproduct.___________________________________________
Questions related to specific materials,Questions related to specific materials,methods, and services will be addressedat the conclusion of this presentation.
Course Descriptionp
Recent investigations into andconstruction in British Columbiaprojects looking at heavy timberprojects looking at heavy timberFurthermore, the benefits of wrelevant in the context of globaresource depletion and its useresource depletion, and its useproject’s carbon footprint throuand avoided greenhouse gas emf th f lifocus on the use of panelizPerkins+Will projects, both locaColumbia: the Centre for Intera(CIRS) and the Earth Sciences Bu
n
discussions about solid wooda, Canada are resulting in manyr as a viable structural material.r as a viable structural material.
wood are becoming increasinglyal warming and non renewablee can have a large impact on ae can have a large impact on augh both carbon sequestrationmissions. This presentation will
d d i t i tized wood in two innovativeated at the University of Britishctive Research on Sustainability
uilding (ESB).
Learning Objectiveg j
1 Id tif h t1. Identify approaches ta large scale applicat
2. Describe the environmwood
3. Explain several innovatechnologiestechnologies
4. Understand how timbimplemented in twoimplemented in twoapplications
es
t i h ti b ito using heavy timber intion
mental benefits of using
ative timber
ber systems wereunique institutionalunique institutional
INNOVATIOINNOVATIOCONSTRCONSTR
TWO PR
N IN WOODN IN WOODRUCTIONRUCTION
OJECTS
OUTLINE:• The Problem
Wh W d?• Why Wood?• Wood as a Modern Buildingg• A New Generation of Wood B
CIRS C t f I t ti• CIRS: Centre for Interactive• ESB: Earth Sciences Buildin• Lessons Learned
MaterialBuildingsR h S t i bilitResearch on Sustainability
ngg
the PROBLEthe PROBLEEMEM
Building Industry Energy Coonsumption
why WOOD?why WOOD???
Grown by the SUNy Sequesters CARBOq N
Low EMBODIED ENERGY REGIONAL materiathe ECONOMY
al that supportspp
Reduced ECOLOGIReduced ECOLOGIECONOMIC impactp
ICAL andICAL and SUSTAINABILY harSUSTAINABILY harRENEWABLE resou
rvestedrvestedurce
WOOD as aWOOD as a building mabuilding ma
modernmodern aterialaterial
Structural Timber Systy
POST AND BEAMCenturies old
STICK FRAMLast Century
tems
ME SOLID CONSTRUCTIONLast 15 years
Edge Laminated
Cross Laminated
Glued Doweled Nailed
Glued Doweled Nailed
Solid Wood PanelsCLT
LVL
LSL
A New GeA New GeWooWoo
eneration ofeneration ofod Buildingsod Buildings
Brentwood Skytrain Station Burnaby, BC2004 Governor General Medal
WOOD STRUCTURE:WOOD STRUCTURE:• wood roof structure using side nailed d
glulam ribs • prefabricated and modular structural el
CHALLENGES:CHALLENGES:• Combustible materials in a public asse
V d li• Vandalism• Weather exposure
Brentwood Skytrain Station Burnaby, BC2004 Governor General Medal
imensional lumber supported by
ements
mbly occupancy
Canada Line Stations Vancouver, BC2010 Schreyer Award
WOOD STRUCTURE:WOOD STRUCTURE:• Prefabricated, modular kit-of-parts• panelized wood roof structure using sid• panelized wood roof structure using sid
together in steel frame
BENEFITS:BENEFITS:• High Quality
E i l + Effi i t• Economical + Efficient• Reduced construction time by 3 ½ mon
Canada Line Stations Vancouver, BC2010 Schreyer Award
de nailed dimensional lumber heldde nailed dimensional lumber held
nths
Samuel Brighouse Elementary School Richmond, BC2012 Lieutenant Governor Award – 2012 Wood Design Award
WOOD STRUCTURE:
• panelized wood roof structure using sidwith steel v-shaped kingposts
• prefabricated roof panelsBENEFITS:• High Quality• Economical + EfficientEconomical + Efficient • Reduced construction time by 4 months
Samuel Brighouse Elementary School Richmond, BC2012 Lieutenant Governor Award – 2012 Wood Design Award
de nailed dimensional lumber held
s
VanDusen Botanical Garden Visitor Centre Vancouver, BC2012 Lieutenant Governor Award – 2012 Wood Design Award
VanDusen Botanical Garden Visitor Centre Vancouver, BC2012 Lieutenant Governor Award – 2012 Wood Design Award
WOOD STRUCTURE:WOOD STRUCTURE:• Geometrically complex form• Prefabricated panelized wood roof stru• Prefabricated, panelized wood roof stru
and services
BENEFITS:BENEFITS:• High Quality
C t d i• Custom design• Schedule - roof fabricated while concre
VanDusen Botanical Garden Visitor Centre Vancouver, BC2012 Lieutenant Governor Award – 2012 Wood Design AwardVanDusen Botanical Garden Visitor Centre Vancouver, BC2012 Lieutenant Governor Award – 2012 Wood Design Award
ucture pre installed with insulationucture pre-installed with insulation
ete footings being poured
CCCenCen
Research
Case Study:Case Study: ntre for Interactiventre for Interactive on Sustainabilityy
CIRS VisionProject Goalsj• To be the most innovative and hig
America at the time of its construcAmerica at the time of its construc
• To act as a “living laboratory” thainvestigation of current and futurinvestigation of current and futurtechnologies, serving as a catalys
gh performance building in North ctionction
at promotes research and re sustainable buildingre sustainable building st of change
Regenerative Building CoGreen:• CIRS will have a net
positive impact on thepositive impact on the ecosystem health
HHumane:• CIRS will provide a
socially and biophysically healthyenvironment for human inhabitation
Smart:• CIRS will integrate theCIRS will integrate the
performance of the building with the human inhabitantshuman inhabitants
oncept
CIRS – Ambitious Goals
LEED Platinum and Living BLEED Platinum and Living BBuilding ChallengeBuilding Challenge
Design Concepts
• Programmatic needs
M i i th f• Maximize the use ofpassive environmental design strategiesdesign strategies
• Site constraints and opportunities
Floor PlansOrganized into two wings linked by atr• Organized into two wings linked by atr
• Houses 200 researchers who work cotoward a common mission: to accelera
riumrium
llaborativelyate sustainability
Building Form Drivers: Prg• Office• Assembly• Emphasize sustainable features
rogramg
Social Space• Four-storey atrium serves as:• Building lobby• Entry to daylit 500-seat auditorium• 'Social condenser' space that builds
academic communityacademic community
Office Space• Flexibility for all interior spaces
p
Building Form Drivers: Si• Dense site adjacent to Sustainabi
g
• Retained pre-existing desire line areclaimed water systemEngage pedestrians ith the proje• Engage pedestrians with the proje
itelity Streetas opportunity to highlight
ect's s stainabilit goalsect's sustainability goals
Building Form Drivers: PaSolar Shading
g
• Incorporate PV into solar shading
Green RoofGreen Roof• Encourage habitat, reduce
stormwater runoff and heatstormwater runoff and heat island effect
assive StrategiesgDaylighting• 10m wide office bars to bring
daylight inN t l V til tiNatural Ventilation• Narrow office bars with
partial height partitions allowpartial height partitions allow for natural cross ventilation
Feature Sustainable Desi• Green screen
W d l ddi• Wood cladding• Solar aquatics reclaimed water tre
gn and Materialsg
eatment
• Net positive energy and operationalPerformance
Net positive energy and operational • Net positive water quality• Net positive structural carbon• Net positive structural carbon• Net positive in human health, happin
carboncarbon
ness and productivity
NET POSITIVE ENERGY AND OPBy harvesting renewable and wasteenergy needs as well as a portion obuildingbuilding.
The addition of CIRS to the UBCoverall energy consumption by o
PERATIONAL CARBONe energy, CIRS supplies its own of the needs of an adjacent
campus reduced UBC’s pover 1 million kWhr per year.
STRUCTURAL CARBON: the deSTRUCTURAL CARBON: the decarbon footprints of steel, concstructure.
• 1076 Tonnes CO2 genera• 904 Tonnes carbon store• 904 Tonnes carbon store• 172 Tonnes Net
CIRS carbon footprint is 90% le
Center for Interactive Research on Sustainability Vancouver, BC2012 Lieutenant Governor Award – 2013 Wood Design Award
esign team compared theesign team compared the crete and wood for the building
ated in constructioned in the wooded in the wood
ess than the UBC average.
MaterialConsiderations
Sustainable, healthy, natural, innovative
• The ecological and humanThe ecological and human health impacts
• Visual and tactile expressionp• Cost, durability and maintenance
requirements
Wood Products Used in C• Glulam for heavy structural memb
f• Dimensional lumber for the struct• Multiple ply cedar panels used for• Suspended Linear Wood Ceilings
CIRS:berstural deckingr exterior cladding
Primary Structure• Glulam moment frame: columns, bea
y
• Solid wood floor slabs: face-nailed 2• Shear in endwalls• Loading: 100 lb/sf
ams, boxbeams2x4’s, plywood diaphragm
The wood moment frame was created with vertical glulam columns and a box beam spandrel between the columns
CIRS Technical Manual
• A ‘living’ document • Lessons learned from
the design, construction and operation of theoperation of the building
• Developed toDeveloped to disseminateinformation
• Accompanies the CIRS website (cirs.ubc.ca)
Earth Sciences BuildingUniversity of British ColumbiaUniversity of British Columbia
Project Goals• Public realm / community outreac
S f
j
• State-of-the-art teaching and rese• Consolidation of various departm• Informal learning spaces for discu• Flexibility to accommodate future• Research synergy
charch spacesents into one buildingussion and collaboratione needs
D•
D
•
•
esign DriversProgram
esign Drivers
SiteIntegration with public realm
Program• Research labs
/ ff ff
g
• Faculty / staff offices• Lecture theatres and
classroomsclassrooms• Social and informal spaces
• Cafe• Museum
Support Public Realm• Create museum precinct
Hi hli ht h di l
pp
• Highlight research on display
C• Mai
Cam
• Emp
C tintain E/W and N/S connections
mpus Connections
phasize exposure of program
Connections to the Outdo• Full-height glazing
Connections to the Outdo
• Canopy-to-ceiling extension
oorsoors
Promote Collaboration• Visibility of departments
Promote Collaboration
• Vertical circulation
Structural Materials in ES• The two structural materials are w
G f• Glulam for heavy structural memb• LSL and CLT for structural deckin• Steel beams for long spans and s• Concrete in south wing
SB:wood and concrete: bers in north wingngeismic
SOUTH WINGCONCRETECONCRETE
NORTH WINGTIMBER
Structural Innovation• Composite wood-concrete floor st
G• Glulam post and beam connection• Transfer trusses over column free• Chevron Ductile Braces• CLT Canopy and Roof• Cantilevered glulam stair
ns in ESB:tructurense spaces
ASSEMBLYC it W d CComposite Wood-Con
Holz-Beton-Verbunt Fl St tncrete Floor Structure:
d-System TM (HBV)
Glulam Post and BShShe
Beam Connections:erpa
Solid Wood CaCL
nopy and RoofpyLT
Full Storey Transfer TrussFull Storey Transfer Trussses over Lecture Theatresses over Lecture Theatres
LECTURE THEATRE
eqcanada.com
Lateral Load ResD til ChDuctile Chevr
isting System:Bron Braces
Cantilevered SolidCantilevered Solidd Wood Staircased Wood Staircase
LARGELARGEWOODWOODAIRPORAIRPOR
Title of Project—
ClientCity, Province
RTRT
LARGELARGEWOODWOODAIRPORAIRPOR
Title of Project—
ClientCity, Province
RTRT
LessoLessoons Learnedons Learned
BUILDING CODES:
• Combustible | Heavy Timber | N| y |• Regulate the size + height of bu
safety by limiting area + heightconstruction
• NBC currently allows up to 4 st• BCBC allows up to 6 storeys fo
Non-combustible Constructionuilt structures relative to fire of buildings of combustible
toreys for residential or residential
Weather Protection• Update and improve specifica• Consider cash allowance for• Review schedule to align woog• Limit exposure during constr
ationsadditional protectionod construction in dry seasonyruction
D d B + C ili• Consideration of alternative r
Dropped Beams + Ceiling
• Commitment from contractor
H i htroutes for mech / electg Heights
r and consultants is critical
Stains• Not all wood substrates are e
Stains
• Perform test patch or sampleequale for review
Service Runs• Lighting
Service Runs
• Sprinklers
Performance• Vibration• Acoustics• Loadingg• Seismic
P i d i• Passive design
CarbonESB:+6169 T b di d+6169 Tonnes embodied ene-1094 Tonnes CO2 stored in5075 Tonnes Net5075 Tonnes Net
CIRS::CIRS::+1076 Tonnes embodied ene
904 Tonnes CO2 stored in-904 Tonnes CO2 stored in172 Tonnes Net
i t t l t tiergy in total constructionthe wood
ergy in total constructionthe woodthe wood
Schedule• Requires proper planning
P f b i ti h i
Schedule
• Prefabrication can have sign• Consider product availability• Spend time planning ahead
ifi t iti i tificant positive impacty
Public Perceptionp
(+)•Comfortable•Warm•Organic material•Beautiful
(-)•Not durable•Combustible•Weak
Questions?
This concludes TheAmerican Institute of
hArchitects ContinuingEducation SystemsCCourse Jana Foit