River Team 2010 - PBL Labpbl.stanford.edu/AEC projects/Year 2009-2010/River.pdfS. C. E. A L....
Transcript of River Team 2010 - PBL Labpbl.stanford.edu/AEC projects/Year 2009-2010/River.pdfS. C. E. A L....
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AOwner E C L S
River Team 2010
UrszulaDavid
Joanna
Brent
Nima
Martin
AlexSebastian
Winter PresentationWUoT
Warsaw
UoLLjubljana
KTHStockholm
BUWWeimarUW
MadisonSUCalifornia
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CITY NATURE
Site ConditionsUniversity building in Weimar, Germany
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Flooding ChallengeA
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Normal water level 33 year flood 100 year flood
detailed terrain profile and different water levels
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Big Idea: TransparencyShowing interior processes and actions Inspiration: Bauhaus
University Building in Dessau by Walter Gropius, 1919
- innovation- visual comunication- no barriers between students and profs- functionality / simplicity
Our goals:- NO: naive copy of the building- YES: use the way of thinking
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South viewWest facade
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3D views
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Plan+1 Ground Floor A
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North
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Plan+2 Second FloorNorth
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Plan+3 Third FloorNorth
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SectionsA
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North-Souththrough cantilevered auditorium
West-Eastthrough atrium (verticular circulation) and auditorium
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Loading ConsiderationsA
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DEAD LOADS:MEP 5 psfCLADDING 20 psfMISC 12 psfSELF-WEIGH 80 to 100 psf
LIVE LOADS:ROOF 20 psfSNOW 9 psfGREEN ROOF 25 psfCLASSROOM 50 psfOFFICE 50 psfAUDITORIUM 60 psfLABORATORY ROOM 100 psfCORRIDOR 100 psfSTORAGE 120 psfPARTITIONS 20 psf
Gravity Loads Lateral Loads
14.6 k
13.3 k
11.4 k
Later Load Distribution
Roof Displacement
17.8 k
16.2 k
13.8 k
Average wind load = 12 mphDesign wind load = 60 mph
Solution = Lateral Braces & Shear Walls
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Soil ConsiderationsA
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High Water Table
Bearing capacity 8000 psf
Excavation needed
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Typical Member Sizes
Beam: W16 x67
Girder: W18x71
Column: W12 x 40
Composite Floor System: 3” decking + 3” LWC slab
Lateral System: HSS21/2”x1/2”x1/4”
Foundation:Square Footing (8’ x 8’)2 Layers of No. 9 bars @ 6” (Bottom)2 Layer of No. 3 bars @ 18”(top)
L-Shaped
Structural Steel Transparency
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Ground Floor
Typical Bay Size: 24’ x 12.5’
Max Bay Size: 29’ x 29’
29’ 29’
12’
14.5’
14.5’
29’
24’
14’
8’
Structural Steel Transparency
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Second Floor
29’ 29’
24’
14.5’
14.5’
29’
24’
16’
8’
17’
10’
Structural Steel Transparency
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Third & Roof Floor
29’ 29’
24’
14.5’
29’
24’
16’
8’
17’
10’
Structural Steel Transparency
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Reinforced Concrete Transparency
Typical Member
Floor: 5”
Column: 14”
Beam: 14” x 20”
Girder: 12” x 20”
Shear Wall: 10” x 6’
Foundation: 10’ Square Spread
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Grid Layout
Largest Bay Size
29’ x 22’
16’ 22’ 18’ 18’ 8’ 50’ 16’
22’
15’
21’
29’
29’
10’
Reinforced Concrete Transparency
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First Floor
Cantilever: 24” x 50”
Reinforced Concrete Transparency
22’
15’
21’
29’
29’
10’
16’ 22’ 18’ 18’ 8’ 50’ 16’
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Second Floor
Auditorium Span: 50’ Long18”x32” Beams
every 10’
Reinforced Concrete Transparency
16’ 22’ 18’ 18’ 8’ 50’ 16’
22’
15’
21’
29’
29’
10’
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Third Floor
Reinforced Concrete Transparency
16’ 22’ 18’ 18’ 8’ 50’ 16’
22’
15’
21’
29’
29’
10’
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Wind Load
• Diaphragm Action• Shear Walls Carry Load
Reinforced Concrete Transparency
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Cantilever Load Path
• Large Moment Reaction
• Requires beam 24”x50”
• 13 #10 bars
• Wall at 50” long has tension component of 700 kips.
Reinforced Concrete Transparency
50”
23’
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System Advantages Disadvantages
Lightweight, Shorter Depth
Expensive
Cheap, Thermal Mass
Schedule, Larger
members
Structural Comparison Transparency
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Storage:Storage: 4000 SFEarth: 2300 SF
OfficesTrailersToiletsStorage container (tools)
25 Parking lots (4000 SF)
Recycling
Signs (stop, warnings)
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Site Layout Transparency
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Normal Water Level
3.7 tons (8.15 lbs) at 150 FT
Site Layout Transparency
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33 Year Flood
Site Layout Transparency
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Historical buildings
FeaturesSymmetry Simple mass Detail
Harmony and Proportions Function Structure Form
Second Big Idea Inspiration
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How do we understand it?
- reusing the historical style(composition)
- reusing old materials(from existing building – sustainability)
- reusing the water(gathering rain water)
- “reusing” sunlight-(ex. light shelves)
- reusing rooms(flexibility of spaces)
Big Idea: ReUse
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Building Mass General IdeaFormal goals:- symmetry in plan- axes- atrium – focal core area- historical facade feeling
- view to the river and parc- cantilevered auditorium- modern structure
Modularity in plan(reuse of “ad quadratum” idea)
+3
+2
+1
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Façade Explorations Start:
Historical building…
..use symmetry!
..boooring…
..too monumental…
..no more symmetry!
..make it modern!..look for inspirations!
..put it together!Final: decision
..play with it!
..go back to symmetry!
..messy…
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Façade ReUse
North
West [city, entrance]
East [river, parc]
South
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Plan+1 North
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Plan+2 North
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Plan+3 North
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3D Views
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N-S, through entrance bridge and auditorium cantilevering over the river
W-E, throuhg atrium core (verticular circulation)
Sections ReUse
12’6
”12
’6”
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The Signature Spiral ReUse
Core area
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Structural Steel ReUseA
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Square Shape – Steel frame
Typical Member Sizes
Beam: W14x30
Girder: W16x77
Column: W14x61
Composite Floor System: 3” deck + 3.5” LWC Slab
Lateral System: HSS2”x2”x1/4”
Foundation:Square Footing (10’ x 10’)2 Layers of No. 9 bars @ 6” (Bottom)2 Layer of No. 3 bars @ 18”(top)
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Ground Floor
Structural Steel ReUse
44’
44’
50’
50’
63’
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Second Floor
Typical Bay Size: 19’ x 25’
Max Bay Size: 50’ x 19’
Structural Steel ReUse
44’
44’
50’
50’
63’ 37.5’
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Third Floor Typical Bay Size: 19’ x 19’
Max Bay Size: 50’ x 25’ (sloped)
Structural Steel ReUse
44’
44’
50’
50’
63’ 37.5’
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Structural Alternative ReuseA
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Roof Floor Typical Bay Size: 19’ x 25’
Max Bay Size: 50’ x 25’
44’
44’
50’
50’
63’ 37.5’
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Staircase Solution (NS X-section)
Floating Staircase
Structural Steel ReUse
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Cantilever Auditorium Solution (EW X-section)
Structural Steel ReUse
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Reinforced Concrete ReUse
Typical Member
Floor: 6”
Column: 18”
Beam: 16” x 25”
Girder: 10” x 25”
Shear Wall: 10” x 6’
Foundation: 10’ Square Spread
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Grid Layout
Largest Bay Size
25’ x 33’
33’
33’
33’
25’ 50’ 25’
Reinforced Concrete ReUse
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First Floor
Reinforced Concrete ReUse
33’ 33’ 33’ 37.5’
25’
17’
16’
17’
25’
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Structural SystemA
E
CC
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Second Floor
33’ 33’ 33’ 12.5’ 25’
12.5’
25’
17’
16’
17’
25’
12.5’
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Structural SystemA
E
CC
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Third Floor
33’ 33’ 33’ 12.5’ 25’
12.5’
25’
17’
16’
17’
25’
12.5’
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Structural SystemA
E
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Cantilever Load Path
• Large Moment Reaction
• Requires beam 24”x68”
• 14 #10 bars
• Wall at 68” long has tension component of 966 kips.
37.5’
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Overturning Moment
Check Under Most Extreme Case
Reinforced Concrete ReUse
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Comparison
System Advantages Disadvantages
Lightweight, Shorter Depth,
Balance Cantilevers
Expensive
Cheap, Historic Material
Schedule, Difficult
Cantilever
Reinforced Concrete ReUse
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Storage:Rebar: 1400 SFFormwork: 2200 SFEarth: 2300 SF
OfficesTrailersToiletsStorage container (tools)
25 Parking lots (4000 SF)
Recycling
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Site Layout Concrete Option - ReUse
Signs (stop, warnings)
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Normal Water Level
1.7 tons (3.7 lbs) at 180 FT
Site Layout Concrete Option - ReUse
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33 Year Flood
Site Layout Concrete Option - ReUse
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OfficesTrailersToiletsStorage container (tools)Recycling
25 Parking lots (5000 SF)
Storage:Steel: 1400 SFSteel: 1900 SFEarth: 2200 SF
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Site Layout Steel Option - ReUse
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Normal Water Level
3.7 tons (8.15 lbs) at 150 FT
Movement of Mobile-crane for the heaviest lift
Site Layout Steel Option - ReUse
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33 Year Flood
Site Layout Steel Option - ReUse
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Gas station
Potable water
Glazing
Local Hospital
Steel structure Manufacture
Concrete, asphalt batching plant
Earth removal: Highway construction Site needs earth for
noise barriers
Internet,phone,… Connection
Electricity
Sewer system
4 MILES
2 MILES
2 MILES
300 FT
15 MILES
2 MILES2,5 MILES
General issues
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General Issues
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Concrete: 263 days
Steel: 252 days
End of dewateringShell finnished (supports removed)Lab and computer room finnished
14 days
General Issues
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Equipment
•Alternative fuels: Biodiesel, Dimethyletheris (DME): close to CO2 neutral•95% of the machine recyclable•Reduced external sound levels•Rental: 2 miles from site•1 excavator, 1 Mini excavator, 2 Dumpers
Transport: 15 milesExcavation: 90 000 CF
Duration of task: 10 days
•Mobile crane: Liebherr LTM 1160 5.1Capacity at 180 ft: 1,7 tons – ConcreteCapacity at 150 ft: 3,7 tons – Steel Heaviest lift: steel structure: 2,8 tons
•Concrete pump: Radius 35 FT•Pilling rig
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• Four different methods– RSMeans SQFE-Estimator
– German SQFE-Estimator
– Own Calculations with RSMeans as base
– Reference Project
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E
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Cost Estimates Methods
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German SQFE(Based on 13 universities with advanced laboratory facilities) •Site Total•Gross Floor Space•Outside Area•Excavation•Footprint•Exterior Walls•Interior Walls•Ceiling•Roof
RSMeans SQFE(Based on basic constructions)•Building Type•Story Count•Story Height•Floor Area•Perimeter
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Cost Estimates SQFE Parameters
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• Project Name: Arrheniuslaboratoriet
• Building Type: School Building
• Location: Stockholm, Sweden
• Floor Area: 27 000 SF
• Cost: $6 150 000
• Cost/SF: $228
• Similar Building Program S
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Cost Estimates Reference Project
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Transparency ReUseConcrete Steel Concrete Steel
RSMeans SQFE $5 647 000 $5 835 500 $5 764 500 $5 992 000($179/SF) ($185/SF) ($173/SF) ($180/SF)
German SQFE $7 361 000 $7 361 000 $7 660 000 $7 660 000($233/SF) ($233/SF) ($230/SF) ($230/SF)
Reference Project w. $6 866 000 $6 866 000 $7 437 500 $7 437 500factor ($217/SF) ($217/SF) ($223/SF) ($223/SF)
Cost Estimates Result Data
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6%
20%
15%
34%
8%
17% Substructure
Shell
Interiors
Services
Sitework
Indirect Costs
Transparency ReUseConcrete Steel Concrete Steel
Own Calcs. $6 767 000 $6 930 000 $6 677 000 $6 858 000
($214/SF) ($219/SF) ($200/SF) ($206/SF)
Cost Estimates Calculations
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94
96
98
100
102
104
106
108
110
112
2005 2006 2007 2008 2009
Construction Costs
Inflation
S
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E
A
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Cost Estimates Inflation Data
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S
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E
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90
95
100
105
110
115
120
2005 2006 2007 2008 2009 2010 2011 2012 2013 2014 2015
Construction Costs
Inflation
inflation forecast
Construction Forecast
Cost Estimates Inflation Forecast
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• Cast-in-place concrete (prefab auditorium roof)
• Similar beam sizes
• No building components greater than 50’
• Just in time delivery
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Construction Methods
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A
E
C
S
E
C
S
A
LL
Risk Items
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Idea Doable?
Lifting the building up No
Reduced damages Yes
Aqua Barrier No
Manual flood barrier No
Automatic flood barrier No
Building a dam No
Impermeable bowl Yes
A
E
C
S
E
C
S
A
LL
Strategy for„ReUse“
Strategy for„Transparent“
Flooding Strategy
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A
C
A
C
E
S
E
S
LL
“Let it in”
Reduced damages
Arrangement of rooms and facilities
easy to clean
Action plan for tenant
Present value of future payments: $25,000
“Keep it out”
Impermeable bowl
Bowl of water impermeable concrete
Windows above flood level
No doors in first floor
Present value of future payments: $15,000
Flooding Strategy
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A
C
Flooding IntegrationA
E
C
S
E
S
LL
Architect: Placing windows
Construction Managers:Site layout
LCFM:Repair costs
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S
SustainabilityFocus on water reuse and geothermal energy
No focus on photovoltaic
A
E
C
S
E
C
A
LL
Precipitation Soil conditions
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Excellent site conditions for geothermal system, heat transfer in moist soil
Geothermal cages around pile foundation
Minimal ground disturbance
no extra boreholes
S
E
C
A
L
Geothermal
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LEVEL 1: Ceiling Distribution
LEVEL 2: Underfloor distribution
LEVEL 3: Underfloor Distribution
Combination underfloor and ceiling air distribution
MEP Transparency
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Radiant heating: tubing embedded in concrete slab will be safe from flooding
Minimal mechanical ventilation in offices and classrooms
Underfloor distribution for auditorium
S
E
C
A
L
MEP ReUse
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S
A
E
C
S
E
C
A
LL
Sinks
Toilets
Waterless urinals
Ground Water
Drinking Water
Rain Water
Grey water
Urine storage
Service Water
Agricultural use
Extermal Reactor
Urine
Urine
ExcrementStorage
Watering
Pretreatment system for greywaterRainwater directly to storage tank
Water Reuse
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• Minimal site disturbance and filters for runoff during construction
• Reuse of existing building materials for façade and interior
• Efficient HVAC systems and heat recovery
• Graywater reuse/rainwater harvesting
• On site renewables: geothermal
• Maximum daylight and natural ventilation strategies
• Maximum occupant comfort and safety:
– Low VOC materials, occupant control of windows and task lighting,
• Measurement and verification strategies
– Flexible systems like underfloor allow for reconfiguration according to performance evaluations
L
A
E
C
S
LEED
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ABuilding Program
A
E
C
S
E
C
S
LL
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A
E
C
S
E
C
S
A
LL
Life Cycle Benchmarks
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E
C
S
A
L
A
E
C
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S
River Team Communication, Collaboration, Cooperation
Zero waitTime zone optimization
Documen-tation
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1200 messages in 64 Waves
Mainly discipline Waves
Gadgets to expand functional range
E
C
S
A
L
A
E
C
L
S
NapkinGadget
Mind MapGadget
PlanningGadget
Communication Wave
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E
CLCFM
S
“Boring Box”
Excavating is so expensive!
HVAC system will
cost us 3 feet in floor
to ceiling height!
There will be a flood every 5th
year!
Avoid long spans!
“”
A
E
C
S
A
L
A
E
C
L
S
Collaboration Eliminating creativity
OK
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LCFM
E
CA
S
“Def Design”
E
C
S
A
L
A
E
C
L
S
Cooperation Integration
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Decision Matrix
E
C
S
A
L
A
E
C
L
S
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E
C
S
A
L
A
E
C
L
S
River Team Presents
ReUse