10 10th Street - Cloisters Unit 52 - Renovation Questions - 5Adam,
I would like to see an approved floor/ceiling assembly, fire-rated for
1-hour, come in with the permit application.
You have to be comfortable with the weight.
The existing lightweight concrete doesn’t seem that lightweight.
Has anyone tried to get a rough estimate of a cubic foot of that?
We can’t control the existing construction (especially the ceiling,
below), but if you find a poured product that is part of a 1-hour rated
wood floor/ceiling assembly and you are comfortable with the weight, I
will probably approve it.
Regards,
Dan Arlington
Dan Arlington, CBO
Building Official
City of Atlantic Beach, Florida
darlington@coab.us <mailto:darlington@coab.us>
(904) 247-5813
From: Adam Russell [mailto:arussell@russrow.com]
Sent: Thursday, March 5, 2020 8:29 AM
To: Arlington, Daniel <darlington@coab.us>
Subject: 10 10th Street - Cloisters Unit 52 - Renovation Questions
Good morning sir,
I am working w/ Ranier, Inc. on a renovation to this model… and due to
major cracks in the existing light-weight concrete cover on the floor
(which we also assume served as the fire separation) they are completely
re-doing the floor. They are trying to determine what hour rating the
new floor system needs to be at. I would assume we could go back with
the same material and it would be just like the original…. But I wanted
to get your thoughts prior to suggesting. I believe a typical 1-5/8”
lightweight (perlite concrete) topping is a typical 1hr assembly but
that’s not my expertise…. Typically an architect provides this info. Due
to it being a replacement of existing, I think going back w/ that should
suffice but ultimately I am just verifying all of the structure is good
for this and the few changes they want to make.
Thank you,
Adam Russell, P.E.
VP of Engineering
E: arussell@russrow.com <mailto:arussell@russrow.com>
O: 904-503-3283 C: 850-556-8072 W: russrow.com <http://russrow.com/>
13241 Bartram Park Blvd #813, Jacksonville FL 32258
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