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Radiant Tubing Position

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Mike Manzi
Bora Architects
LEEDuser Basic Member
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Hi All,

I just became aware of the attached detail (if I uploaded it correctly) for a project in Portland, OR going out for permit at the end of this week.  Has anyone located the radiant tubing at the bottom of concrete like this before?  It doesn't sit right with me, though I cannot pinpoint exactly why.  Our consultants and the installer have all okay'd it.  Our mechanical consultant says the thermal transfer is acceptable, but it somehow seems risky to have the tubing only partially encased in concrete.  Any quick thoughts appreciated.

If you want to respond directly to me: manzi@bora.co.  Thanks!

Mike

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Greg Tinkler
Director of Mechanical Engineering
Page
LEEDuser Basic Member
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Mon, 08/26/2019 - 17:38

Mike, I have done this before to allow for anchors of portable partitions to be secured to the floor.  It does increase the thermal response time though. 
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Kristian Kicinski
Associate Principal / Director of Sustainability
Bassetti Architects
LEEDuser Premium Member
7 thumbs up

Mon, 08/26/2019 - 17:58

We used this type of detail on our last radiant project. I can’t point to it as a success, because the system has a still-not-yet-fixed leak in it, but I’m not sure the leak is related to the detail. Kristian Kicinski AIA, LEED BD+C Associate Principal Bassetti Architects t 206 340 9500 www.bassettiarch.com Need to send me files? Click here. From:

Mon, 08/26/2019 - 18:18

The Radiant Design tool from the Center for the Built Environment is able to give you the transient heat transfer impact of pushing the radiant tubes to the bottom of an assembly. There are several factors that can impact capacity. I highly recommend using their tool to verify performance. STET SANBORN AIA NCARB CPHC LEED AP Principal | Engineering Discipline Lead ________________________________ SmithGroup 301 Battery Street, 7th Floor San Francisco, CA 94111 C 415.516.7946 T 415.343.2032 stet.sanborn@smithgroup.com smithgroup.com Connect with us LinkedIn | Facebook | Twitter | Instagram _________________________________

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