Hey SDL,

I'm curious if anybody out there has developed specification language requiring a certain level of airtightness (as assessed via one or a series of blower door tests) for a commercial project when it is not going for a Passive House certification and a blower door test is not required by code--basically, something in the... Read more

Hi all, 

I just wanted to post a quick message to introduce myself to the group. My name is Jeff Geisinger, and I'm an architect with Utile in Boston. We're a 50-ish person firm with a pretty broad project base, including affordable multifamily housing, institutional buildings, commercial interiors, and urban planning/public realm work... Read more

Hello Sustainable Design Leaders!

Here are the details for an upcoming SDL Peer Network web call, this webinar will be a call to share research and resources around mass timber. Hope to see you there!
REGISTER HERE!

Embodied Carbon and Mass Timber – a shared learning conversation
March 31st, 2020
3pm - 4pm ET (... Read more

Hi, all. We missed you at the standing check in today. We have a couple of questions for the BG team:

1. What is the timing criteria you need for Best Practice content? We need to back into a deadline on submissions and believe your critical path timing will help define ours.

2. Can you elaborate on what LEED User/BG content may... Read more

Upon completion of this course, participants will be able to:

Be aware of key dates in the history of the LEED rating system.

Have a clear understanding of the new impact areas present in the updated rating system.

Ascertain which types of new credits belong to which impact areas in the LEED v5 rating system.

CEUs are available for reading our entire plumbing guide. Click here to learn more and take the quiz.

Constructed wetlands and other natural filtration systems close the nutrient and water loop, permitting safe and sustainable wastewater treatment and reuse right on the site.

We look for... Read more

Hi all,

We have a newly constructed, core/shell project having some hot water issues in the core restrooms.

There is a 0.35 Toto lav installed throughout. The hot water heaters are adjacent on each floor, located in the janitor closets. We did the math, and there could be a gallon of water standing and cooling in the pipe between... Read more

We have an MEP engineer that is calculating peak loads at about 6 times passive house levels on a large commercial building that is at or near passive house levels of insulation and air infiltration. We suspect one reason is that he is figuring a 50% efficiency level for the ERV. We are showing him ERV systems with 80-90% efficiency, but they... Read more

Hello - 

I am looking for the recording and the PDF/ slides that were shared 3/6 for the project process share-out/ 5 min presentations. It was super inspiring and I would like to refresh my memory of some of what was shared. Thank you!

–
Alison Nash 
AIA, LEED AP ID+C, CPHC, WELL AP
Associate | Sustainability... Read more

If anyone else has gotten confused going between parts-per-million and percentages (parts per hundred!) for material reporting here's a little infographic that might help. Feel free to use or improve! 

Hi, I've been following the copper piping discussion and am wondering if copper piping has been a problem in greywater systems.    We've used Aquatherm to some extent in greywater treatment.

Hi MEP Leaders,

I wanted to remind you that our monthly call is today, August 10th, at 2pm ET! This was rescheduled from the usual time - the second Tuesday of the month - due to a BuildingGreen staff retreat. If you usually can't make the Tuesday time, this is a great opportunity to join the call!

Here is the agenda, and below is... Read more

Hello friends,

Recently, as part of the AIA 2030 working group discussion – a topic came to light that was a conversation among (I believe) the SDL subset of our community, on a topic that is my personal obsession and daily focus – so I wanted to pipe up and share thoughts. BUT I want to respect the safe space, so if those of you in SDL... Read more

Welcome to the quiz portion of LEED vs. Green Globes: A Definitive Analysis

Note: If you are taking this quiz as a member of LEEDuser, please take the quiz here.

Learning Objectives
Upon completing this course, participants will be able to:


1. Highlight the most significant differences between LEED and Green... Read more

I wanted to post a reminder for you all that the Sustainable Design Leaders Summit will be kicking off with a Pre-Summit workshop in Seattle July 31st, 9am - 3pm. If you are interested in joining your peers for this workshop, please see the registration link below. Also, if you know someone in the Seattle area that would be good to have in the... Read more

We are looking into different building skin materials from including GFRC and FRP (amongst others) as alternatives to precast. I remember years ago (when I was at LAS) we had retrofitted a Federal Courthouse with FRP for blast resistance. I kind of remember that at the time it had some pretty high offgassing concerns. I haven't been able to... Read more

Dear Sustainability Leaders,

During this time of shifting our lives and work to online, BuildingGreen is working quickly to assess the challenges and opportunities regarding the remaining Peer Network Summits for 2020. As timelines continue to be extended for social distancing (and virtually connecting!), we are mapping out the... Read more