# RE: Definition of A sub B in Rho evaluation

• To: seaint(--nospam--at)seaint.org
• Subject: RE: Definition of A sub B in Rho evaluation
• From: sharonb(--nospam--at)slarchitects.com
• Date: Wed, 12 Jul 2000 08:13:39 -0700
```The correct answer is 1936.  Consider the drip line.

> -----Original Message-----
> Sent:	Monday, July 10, 2000 9:37 AM
> To:	seaint(--nospam--at)seaint.org
> Subject:	Definition of A sub B in Rho evaluation
>
> I do not intend to steal the show from our beloved president but I need a
> clarification of the word "all."
>
> Here is my predicament: Let say there is a one-story simple building
> 40'x40'
> with 2 feet roof overhang on four sides.  The question is how to calculate
> AB for Rho evaluation.
> AB = 40x40 = 1600 or AB = 44x44 = 1936.
>
> The Code definition of AB is "ground floor area ... to include area
> covered by
> all overhangs ..."  Does "all overhangs" include roof overhangs?  And what
> about if my building becomes a two, three, four or five-story structure
> with
> roof over the top floor. Is AB 1600 or 1936?  This Rho business is a
> nightmare, more questions to come.
>
>
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