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RE: Slab-on-grade sloped for sprinkler drainage under access floor

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Harold:

There are no stupid questions, just stupid engineers.  I am assuming there is
no problem sloping a slab on grade under an access floor from your response. 

Scott.

-----Original Message-----
From: Harold Sprague [mailto:spraguehope(--nospam--at)hotmail.com] 
Sent: Thursday, April 17, 2008 8:17 PM
To: seaint(--nospam--at)seaint.org
Subject: RE: Slab-on-grade sloped for sprinkler drainage under access floor

Scott,
I would consider making the elevated floor flat.  Adjust the pedistals as
required and go ahead and slope the slab on grade.  

Regards,
Harold Sprague

> Subject: Slab-on-grade sloped for sprinkler drainage under access 
> floor
> Date: Thu, 17 Apr 2008 15:45:15 -0800
> From: Scott.M.Haan(--nospam--at)usace.army.mil
> To: seaint(--nospam--at)seaint.org
> 
> I'm designing an office building with an access floor. They are 
> sprinklering under the access floor. The mechanical engineer is 
> telling me that I need to slope the slab-on-grade to sump pits.
> 
> What is the maximum you can slope a slab supporting access floor? I 
> thought I heard .5" maximum change over the whole thing.
> 
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