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Total 23 documents matching your query.

1. [TowerTalk] Calculations (score: 1)
Author: gmcneil@mail.bigpond.com (Glenn McNeil)
Date: Wed, 10 Jun 1998 09:40:12 +1000
Does anyone know if there is available on the 'net software or information on calculating bending moments, tower loading , foundations etc for a simple self supporting mast with rotator and antennas
/archives//html/Towertalk/1998-06/msg00277.html (6,906 bytes)

2. [TowerTalk] Calculations (score: 1)
Author: WarrenWolff@aol.com
Date: Sun, 12 Sep 2004 03:58:21 EDT
And once a fellow gets a set of 90 MPH calculations for $250 or so, why, o' why should any future sales of the same calculations cost the next fellow the same $250? The non-recurring cost should be m
/archives//html/Towertalk/2004-09/msg00202.html (6,619 bytes)

3. Fwd: [TowerTalk] Calculations (score: 1)
Author: Michael Urich <ka5cvh@gmail.com>
Date: Sun, 12 Sep 2004 07:41:12 -0500
-- Mike Urich, KA5CVH http://ka5cvh.com Character = How you treat people who can do nothing for you in return! -- Mike Urich, KA5CVH http://ka5cvh.com Character = How you treat people who can do noth
/archives//html/Towertalk/2004-09/msg00203.html (7,593 bytes)

4. Re: [TowerTalk] Calculations (score: 1)
Author: Michael Keane K1MK <k1mk@alum.mit.edu>
Date: Sun, 12 Sep 2004 09:06:14 -0400
At 03:58 AM 9/12/04, WarrenWolff@aol.com wrote: And once a fellow gets a set of 90 MPH calculations for $250 or so, why, o' why should any future sales of the same calculations cost the next fellow t
/archives//html/Towertalk/2004-09/msg00204.html (8,397 bytes)

5. Re: [TowerTalk] Calculations (score: 1)
Author: "Jim Lux" <jimlux@earthlink.net>
Date: Sun, 12 Sep 2004 07:23:05 -0700
I'm sure you meant "recurring costs should be minimal"... It depends on how the company getting the calculations contracted with the engineer. Most building departments want a "wet-stamped" set of ca
/archives//html/Towertalk/2004-09/msg00205.html (10,244 bytes)

6. Re: [TowerTalk] Calculations (score: 1)
Author: "Jim Lux" <jimlux@earthlink.net>
Date: Sun, 12 Sep 2004 07:33:25 -0700
It's quite difficult for a manufacturer to roll this into their cost of business. First, the price of the tower would go up by the amount it costs so it would be a no net change to you. Most industri
/archives//html/Towertalk/2004-09/msg00206.html (11,566 bytes)

7. Re: [TowerTalk] Calculations (score: 1)
Author: "Jim Lux" <jimlux@earthlink.net>
Date: Sun, 12 Sep 2004 07:39:29 -0700
(consultant) Mike makes an interesting point here.. In general, when you pay an architect or engineer to prepare drawings and calculations, the architect or engineer retains ownership of the drawings
/archives//html/Towertalk/2004-09/msg00207.html (9,317 bytes)

8. Re: [TowerTalk] Calculations (score: 1)
Author: Phil Camera <kb9cry@comcast.net>
Date: Sun, 12 Sep 2004 10:07:33 -0500
Another reason most permitting bodies want PE or SE stamps from one who is licensed with the local state is that that person should have more thorough and working knowledge of the local soil conditio
/archives//html/Towertalk/2004-09/msg00208.html (8,640 bytes)

9. Re: [TowerTalk] Calculations (score: 1)
Author: Jim Lux <jimlux@earthlink.net>
Date: Mon, 13 Sep 2004 09:32:04 -0700
At 09:30 PM 9/12/2004 -0700, Mark - AA6DX wrote: Jim, what about the liability and cost of insurance for said item? I don't know about 25 bux for shipping (itself), but all the time and folderol for
/archives//html/Towertalk/2004-09/msg00227.html (11,765 bytes)

10. Re: [TowerTalk] Calculations (score: 1)
Author: "Alan C. Zack" <k7acz@cox.net>
Date: Mon, 13 Sep 2004 19:53:47 -0700
And why does a major tower manufacturer stick to outdated UBC-97 50 and 70 MPH wind calcs rather than the newer IBC-2000 specs. UST did send me a nice set of drawings based on UBC-97 that my Bldg Dep
/archives//html/Towertalk/2004-09/msg00244.html (9,172 bytes)

11. Re: [TowerTalk] Calculations (score: 1)
Author: "Alan C. Zack" <k7acz@cox.net>
Date: Mon, 13 Sep 2004 20:24:01 -0700
Having had just gone through this process I have the following comments: I agree the $250.00 charge seems reasonable as the P.E. has to take the manufacturer's drawings and calculate the wind loads,
/archives//html/Towertalk/2004-09/msg00245.html (13,363 bytes)

12. Re: [TowerTalk] Calculations (score: 1)
Author: "Jim Lux" <jimlux@earthlink.net>
Date: Mon, 13 Sep 2004 21:02:01 -0700
Probably because most building departments don't require IBC-2000 yet. Codes get revised every few years, but municipalities don't have to adopt them, and sometimes prefer to stay with the older code
/archives//html/Towertalk/2004-09/msg00247.html (11,449 bytes)

13. Re: [TowerTalk] Calculations (score: 1)
Author: "Jim Lux" <jimlux@earthlink.net>
Date: Mon, 13 Sep 2004 21:41:27 -0700
I always send stuff like that by something that gives the ability to track where it is. The customer always seems to want to know when it's going to arrive. But the P.E.'s stamp means that he's pers
/archives//html/Towertalk/2004-09/msg00250.html (11,338 bytes)

14. Re: [TowerTalk] Calculations (score: 1)
Author: "Alan C. Zack" <k7acz@cox.net>
Date: Tue, 14 Sep 2004 00:24:33 -0700
OK, I agree with what you said. But why can't a major manufacturer like UST provide these calcs when required and smaller guys like Tashjian Towers and Heights Towers can? Jim Lux wrote: Probably bec
/archives//html/Towertalk/2004-09/msg00255.html (12,453 bytes)

15. Re: [TowerTalk] Calculations (score: 1)
Author: "Jim Lux" <jimlux@earthlink.net>
Date: Tue, 14 Sep 2004 07:34:56 -0700
Just a business decision, I guess... UST may figure they've got better fish to fry, as it were, and don't want to make the investment. Without knowing more about the internal finances of the various
/archives//html/Towertalk/2004-09/msg00262.html (10,397 bytes)

16. RE: [TowerTalk] Calculations (score: 1)
Author: "Richard (Rick) Karlquist (N6RK)" <richard@karlquist.com>
Date: Tue, 14 Sep 2004 07:43:18 -0700
A possible reason would be that IBC-2000 might be a stricter spec, and the tower is not engineered to meet that spec, at least with a usable antenna area on top. Does anyone know if IBC-2000 is a ti
/archives//html/Towertalk/2004-09/msg00263.html (11,699 bytes)

17. [TowerTalk] Calculations (score: 1)
Author: kr7x@comcast.net
Date: Tue, 14 Sep 2004 18:25:47 +0000
To the list: The IBC, both 2000 and 2003, and the UBC all refer to the TIA/EIA-222-F specification when they discuss the wind load and analysis of towers. The actual design criteria for towers can be
/archives//html/Towertalk/2004-09/msg00271.html (9,830 bytes)

18. Re: [TowerTalk] Calculations (score: 1)
Author: j4976@juno.com
Date: Tue, 14 Sep 2004 14:07:50 -0500
Based on this (good) information, it seems to me that a manufacturer could have an engineer make up a series of charts or tables showing the surviving loads in each soil type at increasing wind speed
/archives//html/Towertalk/2004-09/msg00272.html (12,737 bytes)

19. Re: [TowerTalk] Calculations (score: 1)
Author: Jim Lux <jimlux@earthlink.net>
Date: Tue, 14 Sep 2004 12:25:13 -0700
At 02:07 PM 9/14/2004 -0500, j4976@juno.com wrote: Based on this (good) information, it seems to me that a manufacturer could have an engineer make up a series of charts or tables showing the survivi
/archives//html/Towertalk/2004-09/msg00273.html (10,303 bytes)

20. Re: [TowerTalk] Calculations (score: 1)
Author: "William H. O'Hara III" <ohara@aaahawk.com>
Date: Tue, 14 Sep 2004 17:58:46 -0400
Billing by the hour should not necessarily be the revenue generator. I believe that it should serve as a cost center. The engineer should strive to provide a cost-effective job. Lawyers used to have
/archives//html/Towertalk/2004-09/msg00276.html (10,753 bytes)


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