All Rohn tower books I have had show 80% of vertical height for the anchor post. On some towers/heights they go to 2 sets of anchor posts. Even the brochure they have on their site still shows that, 120' for 150' tall tower with 5 sets of guys. http://www.rohnnet.com/resourcesmodule/download_resource/id/511/src/@random48eced0c124b9/
Chuck Hogg wrote: > Myself included, nobody wants to climb it. I'm just trying to see if > there is any documentation that says this can be done. Obviously it was > some idiot that put it up...which is why I'm trying to see if it can > even be safely engineered with anchors at these positions. > > FWIW, I contacted Radian/Rohn. They said because of the new Rev G > standard, they do not release any documentation for this type of > application. At a minimum, it should be 70% of the height. > > Regards, > Chuck Hogg > Shelby Broadband > 502-722-9292 > ch...@shelbybb.com > http://www.shelbybb.com > > > -----Original Message----- > From: wireless-boun...@wispa.org [mailto:wireless-boun...@wispa.org] On > Behalf Of Blake Bowers > Sent: Thursday, April 08, 2010 12:29 PM > To: WISPA General List > Subject: Re: [WISPA] OT: Rohn 25G Tower Help > > <<<< SHUDDER >>>> > > > Don't take your organs to heaven, > heaven knows we need them down here! > Be an organ donor, sign your donor card today. > > ----- Original Message ----- > From: "Chuck Hogg" <ch...@shelbybb.com> > To: <motor...@afmug.com>; "WISPA General List" <wireless@wispa.org> > Sent: Thursday, April 08, 2010 10:53 AM > Subject: [WISPA] OT: Rohn 25G Tower Help > > > >> We purchased a WISP and are doing tower maintenance on one of their >> towers. I was going to replace the guy wires, bolts, redo the anchors >> (not a big fan of how it is done), install guy wire brackets, etc. >> Essentially it is a complete overhaul of the tower. >> >> >> >> The tower is 150' Rohn 25G. The guy anchors are placed at 51', 51', >> > and > >> 44' from the base (can't be any more because of the lot). Rohn used >> > to > >> have a PDF document going over the requirements for anchors, guy >> > wires, > >> etc. for different guy anchor positions. I cannot find this document, >> and all I can find is the standard one with the standard 120' anchor >> placement from the base. Do any of you have any recommendations or >> documentation on how to figure out the correct materials to be used to >> support this tower? Moving the guy anchor positions out is not an >> option. >> >> >> >> Regards, >> >> Chuck Hogg >> >> Shelby Broadband >> 502-722-9292 >> ch...@shelbybb.com <mailto:ch...@shelbybb.com> >> >> http://www.shelbybb.com <http://www.shelbybb.com> >> >> >> >> >> >> >> > ------------------------------------------------------------------------ > -------- > >> WISPA Wants You! Join today! >> http://signup.wispa.org/ >> >> > ------------------------------------------------------------------------ > -------- > >> WISPA Wireless List: wireless@wispa.org >> >> Subscribe/Unsubscribe: >> http://lists.wispa.org/mailman/listinfo/wireless >> >> Archives: http://lists.wispa.org/pipermail/wireless/ >> > > > > ------------------------------------------------------------------------ > -------- > WISPA Wants You! Join today! > http://signup.wispa.org/ > ------------------------------------------------------------------------ > -------- > > WISPA Wireless List: wireless@wispa.org > > Subscribe/Unsubscribe: > http://lists.wispa.org/mailman/listinfo/wireless > > Archives: http://lists.wispa.org/pipermail/wireless/ > > > -------------------------------------------------------------------------------- > WISPA Wants You! Join today! > http://signup.wispa.org/ > -------------------------------------------------------------------------------- > > WISPA Wireless List: wireless@wispa.org > > Subscribe/Unsubscribe: > http://lists.wispa.org/mailman/listinfo/wireless > > Archives: http://lists.wispa.org/pipermail/wireless/ > > -------------------------------------------------------------------------------- WISPA Wants You! Join today! http://signup.wispa.org/ -------------------------------------------------------------------------------- WISPA Wireless List: wireless@wispa.org Subscribe/Unsubscribe: http://lists.wispa.org/mailman/listinfo/wireless Archives: http://lists.wispa.org/pipermail/wireless/
