Sources: Green Canopy NODE, Seattle; Timber Finance Initiative, Zurich; CP staff The Timber Finance Initiative and Green Canopy NODE, respective advocates of sustainable investment tools and affordable, standardized residential building, lead a group of field and technical experts tasked with developing the first mass timber carbon credit methodology and submitting Read more…
Sources: Charles Pankow Foundation, McLean, Va.; CP staff The Portland Cement Association Education Foundation and Magnusson Klemencic Associates Foundation are lead supporters of a six-month, $100,000 research project, “Assembly Live Load Consistency for Buildings: Gateway to Reducing Embedded Energy.” Work will proceed under University of Colorado’s Dr. Ross B. Corotis, Read more…
New Dodge Construction research reveals how building interests are actively seeking to reduce the carbon footprint of concrete construction. Data shows that 81 percent of structural engineers and 69 percent of contractors working with concrete are tracking the embodied carbon on their projects, and about one third taking action to Read more…
Sources: Eco Material Technologies, South Jordan, Utah; CP staff
Arizona customers and public officials joined Eco Material for a June 21 ribbon cutting at the Kirkland Pozzolan Mine, located in hilly, desert terrain 75 miles northwest of Phoenix. CEO Grant Quasha credited construction and mining teams, as well as plant equipment suppliers, with creating a world class facility—one advancing the producer’s mission to decarbonize concrete by offering alternatives to portland cement.
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The World Resources Institute/World Council for Sustainable Business Development-backed GHG Protocol defines three initial phases for which material and product suppliers, processors or manufacturers report carbon dioxide loads: • Scope 1 Direct GHG Emissions • Scope 2 Electricity Indirect Emissions • Scope 3 Other Indirect Emissions The GHG Protocol Corporate Accounting Read more…
Architecture 2030Santa Fe, New Mexicowww.architecture2030.org Carbon Leadership Forumwww.carbonleadershipforum.org Embodied Carbon CalculatorUniversity of Washington College of Built Environmentwww.BuildingTransparency.org LEED v4.1 – Building Design + ConstructionU.S. Green Building CouncilWashington, D.C.www.usgbc.orgwww.usgbc.org/leed/v41 UK Steelwww.makeuk.org/uk-steel Portland Cement Associationwww.cement.org SMA/CRU Emissions AnalysisSteel Manufacturers AssociationWashington, D.C.www.steelnet.org Carbon Leadership ForumUniversity of Washington College of Built Environmentwww.se2050.org
Class F, C Fly Ash A readily recyclable byproduct of coal combustion in power generating stations, ASTM C 618fly ash is the most widely used supplementary cementitious material, typically substituting portland cement at 10-25 percent in concrete mix designs. In addition to cement replacement, Class F ash is specified for Read more…
The American Institute of Steel Construction stakes Code of Standard Practice for Steel Buildings and Bridges (ANSI/AISC 303-16) on ASTM A6-19 product. AISC issued the Industry Wide Fabricated Hot-Rolled Structural Sections Environmental Product Declaration in 2021, based on member producer and fabricator survey data. The majority of steel used in Read more…
Fabricated according to joint American Concrete Institute-Precast/Prestressed Concrete Institute Committee 319 standards, structural precast combines hydraulic binder, primarily portland cement but also supplementary materials such as Class F or Class C fly ash, slag or pozzolan; chemical or mineral admixtures; sand, gravel or crushed stone; water; plus, reinforcing steel and/or Read more…
Ready mixed concrete is defined in the ASTM C 94 standard and specified for cast-in-place, reinforced and/or post-tensioned structural conditions. It combines hydraulic binder, primarily portland cement but also supplementary materials such as Class F or Class C fly ash, slag or pozzolan; chemical or mineral admixtures; sand, gravel or Read more…