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RE: Drafting Standards - Grid Layout

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As an old SOM employee ('86-'91), our standard (for typical rectilinear
buildings) was:

Letters across the top, numbers down the side.



David L. Fisher SE PE
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Cape Cod Grand Cayman Holdings Ltd. - Cayman
Fisher+Partners Structural Engineers Ltd. - Cayman
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-----Original Message-----
From: bruckmandesign(--nospam--at)verizon.net [mailto:bruckmandesign(--nospam--at)verizon.net] 
Sent: Tuesday, August 22, 2006 8:59 AM
To: seaint(--nospam--at)seaint.org
Subject: Re: Drafting Standards - Grid Layout

=====================
From: Marc Mitchell <mitchell.marc(--nospam--at)gmail.com>
Date: 2006/08/22 Tue AM 12:38:29 CDT
To: seaint(--nospam--at)seaint.org
Subject: Drafting Standards - Grid Layout

What is the standard convention for laying out grids on a plan?  i.e. do the
numbers go top to bottom and letters left to right or vice versa?  I have
looked in the Architectural Graphic Standards book by Ramsey but could not
find a reference and it appears that various engineers and architects do it
both ways. 

I've used many conventions, but in the end, none of it matters.  This
reminds me of my arguments with the head of production who would admonish me
that dimension tick marks must always go top-left to bottom-right for
horizontal dims, (hand-drafting hell for lefties).

 I use what gets across the most clarity.  For instance, I will sometimes
use Grids entitled NS-1, NS-2, etc. to indicate north/south grids and EW-1,
EW-2 the other direction.    But I've used A-B-C, 1-2-3 on simpler plans as
well.  

I believe the original tradition was numbers for vertical grids and letters
for horizontal.  But you'll need to quiz an old SOM employee to find out for
sure.

DON

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