THE EMERGENCE OF MASS TIMBER IN THE US FIGHT AGAINST CLIMATE CHANGE: FROM FORESTS TO CITIES

Transcription

1 THE EMERGENCE OF MASS TIMBER IN THE US FIGHT AGAINST CLIMATE CHANGE: FROM FORESTS TO CITIES Sustainable Forest industries Conference Ottawa, CANADA September 29, 2017 SUSAN JONES, FAIA

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3 sustainable forests

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5 restorative thinning

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7 production logics

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11 5 PL dim volu # of 1) GLUE ADDED AND FIRST LAYER PLACED 3 PL dim volu # of 1) GLUE ADDED AND FIRST LAYER PLACED 3 PLY dimensions: 3.9 x 8 x 40 2) GLUE ADDED BETWEEN volume: 104 ft 3 # of trees/panel: 3.8 SUBSEQUENT LAYERS 7 PL dim volu # of 5 PLY dimensions: 6.7 x 8 x 40 volume: ft 3 # of trees/panel: 6.5 1) GLUE ADDED AND FIRST LAYER PLACED 2) GLUE ADDED BETWEEN SUBSEQUENT LAYERS 3) COMPLETED ASSEMBLY IS PRESSED LAMINATION DIAGRAM emerging design territories: the hypernatura UC Berkeley Fall Architecture Lecture Series 9 PL dim volu # of

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14 prefabrication logics

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19 performative carbon copies

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25 DEVELOPERS MANUFACTURERS ENGINEERS CONTRACTORS CLEAN ENERGY INSTITUTE ARCHITECTS OLYMPIC NATURAL RESOURCES CENTER WOOD INDUSTRY CORRIM + CENTRAFOR DESIGNERS DEPT. OF ARCHITECTURE COLLEGE OF ENGINEERING INTERIOR DESIGNERS ENVIRONMENTALISTS ENTREPRENEURS DEPT. OF LANDSCAPE ARCHITECTURE COLLEGE OF THE BUILT ENVIRONMENTS UNIVERSITY OF WASHINGTON CENTER FOR WOOD INNOVATION FOSTER SCHOOL OF BUSINESS SCHOOL OF ENVIRONMENTAL + FOREST SERVICES ACADEMIC RESEARCHER COLLEGE OF THE ENVIRONMENTS FOREST SERVICES BUILDING CODE COUNCIL UW RUNSTAD CENTER FOR REAL ESTATE DEPT. OF CONSTRUCKTION MANAGEMENT DEPTAPRTMENT OF AGRICULTURE FEDERAL, STATE, AND LOCAL GOVERNMENT UW Center for Wood Innovation: Grow Your City! College of the Environment College of the Built Environments University of Washington

26 CLT Studios atelierjones University of Washington

27 Exterior cladding Ventilated cavity and drainage Insulation Water resistive barrier/air barrier Flashing CLT wall CLT floor assembly CLT w/exterior wood cladding fossil fuel consumption (MJ): 12,395 GWP (tonnes of C0 2 Eq.): 0 Acidification potential (moles PF H+): 210 Human Health Criteria (Kg of 10 micron pm): 7 Eutrophication potential (g of Nitrogen Eq.): 199 Ozone depletion potential (mg of CFH-11 Eq.): 1 Smog potential (Kg of NO x Eq.): 29 Rainscreen Exterior insulation/ drainage plane Continuious air barrier Structural sheathing Wall framing w/ cavity insulation Interior finish material (wall board, paneling, etc) 2x4 STUD w/exterior wood cladding fossil fuel consumption (MJ): 12,456 GWP (tonnes of C0 2 Eq.): 1 Acidification potential (moles PF H+): 215 Human Health Criteria (Kg of 10 micron pm): 9 Eutrophication potential (g of Nitrogen Eq.): 218 Ozone depletion potential (mg of CFH-11 Eq.): 1 Smog potential (Kg of NO x Eq.): 26 Vinyl siding Drainage plane Continuious air barrier Source: Athena Calculator, run April 2013, University of Washington Arch 504 Studio Polystyrene board insulation Concrete Plaster CONCRETE w/vinyl siding fossil fuel consumption (MJ): 39,128 GWP (tonnes of C0 2 Eq.): 3.2 Acidification potential (moles PF H+): 875 Human Health Criteria (Kg of 10 micron pm): 13.6 Eutrophication potential (g of Nitrogen Eq.): 1,280 Ozone depletion potential (mg of CFH-11 Eq.): 20.8 Smog potential (Kg of NO x Eq.): 208

28 1 SQUARE FOOT OF FLOOR ASSEMBLY TIMBER COMPOSITE CONSTRUCTION = 10 cars 14,000 14,444 13,179 12,000 CO2 EMISSIONS (TONS) 10,000 8,000 6,000 7,467 STEEL COMPOSITE CONSTRUCTION 4,000 2,000 TIMBER STEEL CONCRETE CONCRETE FRAME CONSTRUCTION CARBON SAVINGS UW CENTER FOR WOOD INNOVATION SUSAN JONES I UW ARCH 503 I FALL

29 Framework, Lever Architecture grow your city!

30 emerging design territories

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34 St. Paul s Episcopal architect: Steinhart & Theriault, 1962 restoration by atelierjones, 2012

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37 clt realized

38 on dis Ma st Ave. NE. St. CLTHouse atelierjones 2015

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40 CLT Structural System Standing seam metal roofing Dark shou sugi ban pine cladding CNC routed pine wood screens Building circulation core White CLT interior Double height kitchen area surrounded by circulation core 41st Ave. NE Courtyard Building Diagram Alley st Ave. NE. Building Layers Building Diagrams

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44 A B B Basement Ground Floor

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46 Section 1.1

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48 Section 2

49 Section 2 Section 2 Section 3

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51 0.5 miles th Ave NE US N.E. 2nd St. N CLTChurch atelierjones 2016

52 Cross laminated timber wall

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63 architect as advocate

64 CLTSchool Modulars atelierjones/nac 2017

65 ADAMS ELEMENTARY SCHOOL CLASSROOM 2 CLASSROOM 1 CLASSROOM 3 CLASSROOM 4 CLASSROOM AREA: 787 SF EACH ADDED SERVICE AREA: 779 SF TOTAL ADDITION AREA: 4,325 SF WALKWAY TO EXISTING SCHOOL ENTRY

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67 ICC AD-HOC TALL TIMBER COMMITTEE 18-PERSON NATIONAL CODE COMMITTEE REPRESENTS AIA NATIONAL AT THE TABLE TWO YEAR COMMITMENT: ENACT MASS TIMBER LEGISLATION FOR TALL TIMBER BUILDINGS OVER 6 STORIES IBC 2015: section Type IV, HT, up to 6 stories adopted in Washington State July 1, 2016 Seattle Amendments/SBC: January 1, 2017 Over 6 stories: Undefined Systems Code Alternative Pathway Performance-based Reviews Physical Testing Peer Reviews STRUCTURAL Lateral Systems FIRE & LIFE SAFETY Combustible Construction ACOUSTICS Impact and Sound Transmission

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70 photos: Jason Smart, American Wood Council data driven results

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73 AFFORESTATION

74 ST. PAUL S Episcopal Church atelierjones architect STEINHART & THERIAULT restoration architect structural engineer general contractor custom shingled glass window walls photography FOUSHEE GENERAL CONTRACTING BILL JOY LARA SWIMMER PHOTOGRAPHY

75 CLTHouse atelierjones architect structural engineer general contractor CLT Fabricator windows built green certifier photography LARA SWIMMER PHOTOGRAPHY

76 CLTChurch atelierjones architect structural and civil engineer general contractor CLT Fabrication acoustical engineering owner s representative photography LARA SWIMMER PHOTOGRAPHY

77 THE EMERGENCE OF MASS TIMBER IN THE US FIGHT AGAINST CLIMATE CHANGE: FROM FORESTS TO CITIES Sustainable Forest industries Conference Ottawa, CANADA September 29, 2017 SUSAN JONES, FAIA