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1. [TowerTalk] Ground Rods in Shale (score: 1): Author: kr7x@attbi.com (Hank Lonberg); Date: Sat May 24 14:18:25 2003; Bill: The NEC (national electric code) allows you to lay them horizontal on top of rock if they can't be driven vertical. This is for electrical grounding and lightning protection. I think it makes s; /archives//html/Towertalk/2003-05/msg00354.html (7,796 bytes)
2. [TowerTalk] concrete slump (score: 1): Author: kr7x@attbi.com (kr7x@attbi.com); Date: Thu May 29 15:54:51 2003; List readers For a quick discussion of compressive strength of concrete and slump plus other esoteric information go to this url: http://www.portcement.org/cb/concretebasics_faqs.asp It is my favorit; /archives//html/Towertalk/2003-05/msg00385.html (7,556 bytes)
3. [TowerTalk] Tower Bases (score: 1): Author: kr7x@attbi.com (Hank Lonberg); Date: Thu Feb 27 12:01:22 2003; Hello Tim: Well you are close to what can be done. Take your cross arms and fill in the empty spaces in between each arm with concrete and reinforcing and you have what is called in various circles a; /archives//html/Towertalk/2003-02/msg00540.html (11,221 bytes)
4. [TowerTalk] Did I miss something??? (score: 1): Author: kr7x@attbi.com (Hank Lonberg); Date: Thu Feb 27 12:09:40 2003; I have noticed that the headers on the postings to tower talk say towertalk bounces on behalf of poster name. Have I missed something, I replied to Tim's post on tower foundations and I don't think m; /archives//html/Towertalk/2003-02/msg00541.html (6,544 bytes)
5. [Towertalk] Pouring base of tower (score: 1): Author: kr7x@attbi.com (Hank Lonberg); Date: Sun, 1 Dec 2002 10:37:33 -0800; Guy: You are correct. It is very common to have multiple pours at different times. The specs are to clean the surface of the existing pour apply a concrete bonding agent ( either epoxy base or cement; /archives//html/Towertalk/2002-12/msg00016.html (14,614 bytes)
6. [Towertalk] Pouring base of tower (score: 1): Author: kr7x@attbi.com (Hank Lonberg); Date: Mon, 2 Dec 2002 16:34:10 -0800; Dean: Yes there is: ACI 318-02 Building Code Requirements for Structural Concrete ACI 301-XX Specifications for Structural Concrete for Buildings Both from ACI (American Concrete Institute) ACI 318 i; /archives//html/Towertalk/2002-12/msg00098.html (10,947 bytes)
7. [Towertalk] PE certification (score: 1): Author: kr7x@attbi.com (kr7x@attbi.com); Date: Tue, 01 Oct 2002 14:42:25 +0000; Josh: Go to the ARRL web site and search for "VCE" then get a list, if any, of Volunteer Consulting Engineers in Nevada that have indicated they would assist amateurs in engineering matters. Word to; /archives//html/Towertalk/2002-10/msg00018.html (8,195 bytes)
8. [Towertalk] Rebar (score: 1): Author: kr7x@attbi.com (Hank Lonberg); Date: Thu, 3 Oct 2002 16:39:48 -0700; Red: I am really surprised that none of the rebar suppliers in your region knows about ASTM A706 reinforcing steel. I would be leery buying anything from them. I have see A706 at Home Depot even. The; /archives//html/Towertalk/2002-10/msg00107.html (8,354 bytes)
9. Concrete Hardening (Was:Re: [Towertalk] First Tower) (score: 1): Author: kr7x@attbi.com (kr7x@attbi.com); Date: Fri, 04 Oct 2002 16:04:52 +0000; John and Towertalkians: Concrete does indeed cure by the process of hydration but it has actually more water than it needs to cure. The reason you wet cure is to prevent the reduction of surface stre; /archives//html/Towertalk/2002-10/msg00151.html (9,811 bytes)
10. [Towertalk] Tower Buidling 201 (score: 1): Author: kr7x@attbi.com (Hank Lonberg); Date: Mon, 2 Sep 2002 21:16:17 -0700; Roger: I think you have it half right. The only time 1 guy will see all the lateral load is if the lateral load is in line with the guy direction. This holds true for a 3 guy, 4-guy, or 20-guy system; /archives//html/Towertalk/2002-09/msg00095.html (14,913 bytes)
11. [Towertalk] Power Utility Anchors ... (score: 1): Author: kr7x@attbi.com (kr7x@attbi.com); Date: Fri, 13 Sep 2002 15:57:28 +0000; Dave: Those are Manta Ray anchors by Forsight Products, LLC. See http://www.earthanchor.com/mantamain.html for details. They are out of Colorado. I have looked at these for tie back anchors for sheet; /archives//html/Towertalk/2002-09/msg00430.html (9,787 bytes)
12. [Towertalk] Rebar Cage (score: 1): Author: kr7x@attbi.com (kr7x@attbi.com); Date: Thu, 19 Sep 2002 21:31:17 +0000; Hold on now..... Do not weld the rebar... unless it is ASTM A706 grade or you preheat the bars to 300 degrees F for #6 and smaller and 500 degrees F for #7 and larger. This is from the ANSI/AWS D1.4-; /archives//html/Towertalk/2002-09/msg00675.html (13,918 bytes)
13. [Towertalk] Rebar Cage (score: 1): Author: kr7x@attbi.com (kr7x@attbi.com); Date: Thu, 19 Sep 2002 21:35:56 +0000; Jerry: This is an old wive's tale. The use of the foundation reinforcing as part of the ground is called a "Ufer ground" after the guy who first devised the concept. It is a very common way to ground; /archives//html/Towertalk/2002-09/msg00676.html (14,942 bytes)
14. [Towertalk] Cracked Leg on Rohn 45G (score: 1): Author: kr7x@attbi.com (kr7x@attbi.com); Date: Fri, 27 Sep 2002 15:55:27 +0000; Chuck: I am taking off my S.E.,P.E. hat here and giving you a potential fix. Get a piece of 1"x1"x1/8" steel angle about 12" long. Place it at the split location as best you can trying to center it o; /archives//html/Towertalk/2002-09/msg00885.html (9,754 bytes)
15. [Towertalk] Wind info for VE7 - where can I find it? (score: 1): Author: kr7x@attbi.com (kr7x@attbi.com); Date: Thu, 15 Aug 2002 15:16:43 +0000; Jim: Based on the BC Building Code 1998 I found the following for your question. Remember the acutal jurisdiction may have a different requirement: The BC code and National Building Code of Canada do; /archives//html/Towertalk/2002-08/msg00462.html (9,758 bytes)
16. [Towertalk] Wind info for VE7 - where can I find it? (score: 1): Author: kr7x@attbi.com (kr7x@attbi.com); Date: Thu, 15 Aug 2002 20:27:13 +0000; Jim: Be aware that this is the design wind pressure at 0' or 0 meter elevation... The US codes specify design wind velocity at 30' up. The US codes do not start with design pressure. Hank Lonberg, P.; /archives//html/Towertalk/2002-08/msg00476.html (8,701 bytes)
17. [Towertalk] Reference Documentation request (score: 1): Author: kr7x@attbi.com (kr7x@attbi.com); Date: Fri, 16 Aug 2002 19:27:53 +0000; List members: I would like to find a copy of the following items, will pay postage and copying expense, for my professional use: 1) Copy of "Determination of Yagi Wind Loads Using the Cross Flow Prin; /archives//html/Towertalk/2002-08/msg00501.html (7,076 bytes)
18. [Towertalk] elusive Codes info (score: 1): Author: kr7x@attbi.com (kr7x@attbi.com); Date: Thu, 25 Jul 2002 19:05:22 +0000; Jim: The IBC 2000 in section 3108.4 wrt Radio and Television towers refers to EIA/TIA-222-E "Structural Standards for Steel Antenna Towers and Antenna Supporting Structures." The newest versions is E; /archives//html/Towertalk/2002-07/msg00717.html (8,982 bytes)
19. [Towertalk] elusive Codes info (score: 1): Author: kr7x@attbi.com (kr7x@attbi.com); Date: Thu, 25 Jul 2002 19:13:35 +0000; Randy: Almost true.. the IBC 2000 is the next generation of building code.. It is a cooperative effort of the 3 major code organizations ICBO(UBC),SBC and BOCA to develop 1 code for the entire US. Un; /archives//html/Towertalk/2002-07/msg00718.html (11,044 bytes)
20. [Towertalk] Raised Guy Stays (score: 1): Author: kr7x@attbi.com (Hank Lonberg); Date: Tue, 25 Jun 2002 21:48:26 -0700; Joe: I find it amazing that you can determine the soil bearing capacity at the guy's site without any test or default basis. Based on the worst case UBC soil lateral bearing and isolated post capacit; /archives//html/Towertalk/2002-06/msg00408.html (10,504 bytes)

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