Wood Works Seminar on Mass Timber Construction

Keegan Carmichael and David Webster attended the WoodWorks Seminar on Mass Timber Construction on December 6 and filed this report: Mass timber is best applied as a competitor to concrete construction.  Timber is lighter, offers carbon reductions, and can be erected faster than concrete. The typical weight of mass timber is 34 pounds per linear foot…

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Complex floor at Freeport High School

Here’s the cast-in-place concrete floor being poured at the lower level of the Freeport High School addition. Workers are leveling the freshly placed concrete and performing various finishing activities. What might seem like a simple floor system actually has many components that work together. The yellow material being covered in concrete is the under-slab vapor…

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Passive House Not Only For Homes

On March 16th, Günter Lang, Austrian passivhaus expert, gave a presentation on the Passive House building standard. The term Passive House refers to a rigorous, voluntary standard for energy efficiency in a building. A project that follows Passive House principles results in an ultra-low energy building that requires little energy for space heating or cooling. Thermal…

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Passive House: Keeping it Simple

The North American Passive House Networks’ 2014 Conference and Expo was in Portland, Maine on September 22nd and 23rd. Brian Curley, Bob Curtis, Marilyn Leivian and Chelsea Lipham attended from PDT Architects. To say the least, this was a cool conference to have in Portland, Maine. A few highlights from the conference can be found…

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Highlights from Building Energy 14

Five of us from PDT headed down to the NESEA Building Energy 14 conference earlier this week for all-day workshops. Read below for some highlights from our sessions, and see future posts for even more detail. Green Firm Boot Camp Barbara Batshalom from the Sustainable Performance Institute (SPI) talked about how AEC firms can effectively…

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February 2014 Field Report: Augusta Court Facility

Dave Lewis, LEED AP, construction administrator for PDT Architects and Maine licensed architect, was in Augusta last Friday to join technicians from Simpson Gumpertz Heger and Consigli Construction in testing the curtain wall portions of the Augusta Court Facility mockup panels for air and water infiltration. Similar to building envelope commissioning, which occurs on the actual…

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January 2014 Field Report: Augusta Court Facility

Bob Curtis was on site at the Augusta Courthouse earlier this week. This is Consigli Construction’s  hopper for the spray-cellulose (K-13) insulation applicator. The material comes in slightly compressed, shrink-wrapped bales, similar to other blown insulation products.  A machine combines it with water and adhesive to form a slurry which is blown onto the substrate, in this…

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