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Re: Berkeley Balcony Collapse

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On a related note. I asked what you guys spec for exterior plywood decks and got 2 responses.
APA:
"This email is being sent to you in response to your inquiry regarding the need for pressure preservative treated plywood in outdoor decking for pedestrian and vehicle parking structures. As noted in the attached documents if the plywood is protected from moisture preservatives are not required. However, should the moisture protection fail the use of pressure preservative treated plywood will protect the structure from decay."
Well Duh.

and Andrew's suggestion of Marine Grade ply--better quality core but not decay resistant.

Anybody else have something?
Chuck Utzman, PE

On 7/30/2015 9:51 AM, Andrew Kester wrote:
Shocking that a developer thinks hang steel is an unnecessary expense and
wood is fine . As long as it doesn't get wet . Well no $@&! That is why we are talking about this and why people died!

Steel is not that expensive and cheaper than repairs or worst case failures. Of course it is no substitute for good water management practices, but it's a good belt and suspenders approach.

On Jul 30, 2015, at 9:44 AM, Kavsak, Paul M. <kavsakpm(--nospam--at)westinghouse.com>
wrote:
Chuck,

Maybe now things will start to happen, at least in California:
<http://cirrus.mail-list.com/seaint-seaosc/81643023.html>

Paul

-----Original Message-----
From: seaint-seaosc(--nospam--at)mail-list.com [mailto:seaint-seaosc(--nospam--at)mail-list.com] On Behalf Of Chuck Utzman Sent: Saturday, June 27, 2015 11:43 AM

Truncated 492 characters in the previous message to save energy.

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