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# RE: TEDDS Software

• To: <seaint(--nospam--at)seaint.org>
• Subject: RE: TEDDS Software
• From: "Brian K. Smith" <smithegr(--nospam--at)bellsouth.net>
• Date: Tue, 23 Oct 2007 12:16:56 -0500

```I haven't used Mathcad since college, but after having used TEDDS I wouldn't
go back.  Once you know how it works, writing your own routines is a breeze
and then you save it to a library and you can use it forever.

For example:  I routinely design single story retail buildings with metal
deck, steel bar joist, joist girders or beams, tube columns, and light gage,
cmu, or tilt wall exterior walls.  I define my loads, run my ASCE 7-05 wind
calculations, my ASCE 7-05 seismic calcs if necessary, figure roof uplifts,
wall wind loads etc.  I have a library for joist design.  I insert it in a
Calc Definition called BAR JOIST 1, run the routine, it asks for joist span
and joist spacing.  I have a routine inside that determines live load
reduction and converts all loads to LRFD, then gives me total load to look
up the in the joist span tables.  If I have more joist, I just insert the
routine as many times as I need, BAR JOIST 2, BAR JOIST ETC.  I then do the
same for my steel beams, using the routine I developed to design steel beams
the same way I would using a pencil and pad.  I use the prepackaged TEDDS
routine to design my steel columns.  I then use MY routines to design the
exterior walls be they CMU or metal studs with a parapet.  I use MY routines
to design the steel deck (i.e. input wind load at the deck, span, depth, K1
& K2 values and then it calcs the G' and deflection values).  I have also
developed routines for pier supported grade beams.  All in all I can have
PRESENTATION QUALITY calculations for a 10,000 - 30,000sf retail building in
about 4 hours or less.

We also design a lot of 3 story stick framed residential structures.  I have
developed routines for calculating the truss loads, shear walls, roof
diaphragms, glulams, LVLs, porch beams with wind uplift, wind transfer
loading across the floor plates, sill plate bolt design, etc.

I honestly use the program 3 times or more a week.  Granted, if I need to
design something once and just need some quick math done, I will use a
spreadsheet.  But something I do day in and day out, you can't beat it.

Brian K. Smith, PE

-----Original Message-----
From: Marlou Rodriguez [mailto:mbrodrig(--nospam--at)mbrodriguez.com]
Sent: Tuesday, October 23, 2007 11:40 AM
To: seaint(--nospam--at)seaint.org
Subject: RE: TEDDS Software

I am in the process of reviewing TEDDS.  But I mainly use Mathcad for my
calculations.  I have been using it for over 10 years.  I find it easier
to use than TEDDS.  The presentation of the calculations a lot better
and it is a lot more powerfull than TEDDS. Some people that use to use
Mathcad has converted to TEDDS because of the Structural spreadsheets
that are already done.  I believe that if you want to make your own
spreadsheets, Mathcad is the way to go. It retails for about \$1100.

Marlou Rodriguez, S.E.

MBRodriguez Engineering Inc.

2355 Oakland Road, Suite 14

San Jose, CA 95131

Tel: (408) 432-4866

Cel: (408) 761-5013

-----Original Message-----
From: Gary L. Hodgson and Assoc. [mailto:ghodgson(--nospam--at)bellnet.ca]
Sent: Tuesday, October 23, 2007 5:00 AM
To: seaint(--nospam--at)seaint.org
Subject: Re: TEDDS Software

TEDDS is great for the pre-packaged solutions, but time-consuming for
writing your own calcs. One of the earlier commenters was kind enough to

send me one of his problem solutions which I have used a little. For the

home written solutions, I prefer the ease of the spreadsheets, both E-I
and my own. I would like to get more TEDDS calcs by others; is there a
users group out there?
Gary

Shaun Dustin wrote:
>
> I think I've seen this on the list before, but has anyone used both
> TEDDS and the Engineering International spreadsheets, and can they
> comment on the utility of the two? I've been using the E-I stuff,
> mostly because I can buy a calc package on an as-needed basis and I
> like that it seems to be more current than what TEDDS posts in the
> website for current code references, but I like the promise of the
> Word interface with TEDDS.
>
> I'd appreciate any comments...
>
> Shaun
>
> Shaun Dustin, MS, PE
>
> Doctoral Candidate
>
> USTAR Biofuels Initiative
>
> Utah State University
> 4130 Old Main Hill
> Logan, UT 84322
>
> sdustin(--nospam--at)cc.usu.edu <mailto:sdustin(--nospam--at)dustinengineers.net>
>
> 435-770-7816
>
>
------------------------------------------------------------------------
>
> *From:* Garner, Robert [mailto:rgarner(--nospam--at)moffattnichol.com]
> *Sent:* Monday, October 22, 2007 1:50 PM
> *To:* seaint(--nospam--at)seaint.org
> *Subject:* TEDDS Software
>
> Has anybody else downloaded the TEDDS demo that was attached to the
> October issue of Structure magazine? It said it could take up to 15
> minutes to download so I figured it was a lot of bloat. I did run the
> demo from their website and it seemed like it could be useful. But at
> US\$1500, it's pricey. If you buy three licenses, the price drops to
> \$750. I have contacted them to see if I can buy three licenses and
> offer two of them to my esteemed colleagues (that is anyone out there
> that wants to buy them from me). I doubt that will be allowed.
>
> Regards,
>
> Bob Garner, S.E.
>
> R. Garner
>
> Moffatt & Nichol
>
> Tel.: (619) 220-6050
>
> Fax.: (619) 220-6055
>
> e-mail: rgarner(--nospam--at)moffattnichol.com <mailto:rgarner(--nospam--at)moffattnichol.com>
>
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> privileged and confidential. If you are not the intended recipient, be

> aware that any disclosure, dissemination, distribution, copying or use

> of the contents of this message is strictly prohibited. If you
> received this message in error, please notify us.
>

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