If it is only 40' tall and there is not a huge amount of wind loading you can drill into the slab with a hammer drill and and secure threaded rod (galvanized or stainless) in the holes with Hilti HY epoxy. When drilling the holes in the epoxy bevel them slightly off center.
That will hold it providing you have some sort of base plate to attach to. -B- Paul Hendry wrote: > > The concrete in question is actually a landing strip so is plenty > strong/thick enough. As we would normally cement in the rods that the > tower is mounted onto, I need to know how it would be done when the > concrete is already there. Anyone doing this or is it just not the way > to go? > > > > ------------------------------------------------------------------------ > > > *From:* Robert West [mailto:[email protected]] > *Sent:* 18 September 2010 23:38 > *To:* 'WISPA General List' > *Subject:* Re: [WISPA] Tower Footings > > > > I would want to know the concrete strength, if it had rebar in it and > how deep and wide it goes. As well if they are belled out. I’m all > for saving a bunch of bucks but gotta make sure you stay within specs > for the new tower. Also, bolting onto the old foundation, go deep! > > > > Bob- > > > > > > > > *From:* [email protected] [mailto:[email protected]] > *On Behalf Of *Paul Hendry > *Sent:* Saturday, September 18, 2010 12:07 PM > *To:* wireless > *Subject:* [WISPA] Tower Footings > > > > Hi all, > > > > We have a 12m VersaTower that we are looking to install > but where it needs installing there is already a very solid concrete > foundations. We have only ever installed a tower by digging fresh > foundations and was wondering if anyone knows of an acceptable > techniche for mounting directly onto existing foundations or if this > is just not a very good idea at all. > > > > Many thanks, > > > > Paul Hendry > > Technical Director > > > > Skyline Networks & Consultancy Ltd > > Unit 6C - Woodside Commercial Estate, > > Woodside, > > Thornwood, > > Epping, > > Essex > > CM16 6LJ > > > > Tel: 0845 004 0404 > > Mob: 0783 492 1803 > > Email: [email protected] > <mailto:[email protected]> > > Web: http://www.skyline-networks.com > > > > > > > > > > This email and any files transmitted with it are confidential and > intended solely for the use of the individual or entity to whom it is > addressed. If you have received this email in error please notify the > sender. Whilst every endeavour is taken to ensure that emails are > free from viruses, no liability can be accepted for any damage arising > from using this email. > > > > > -- > This message has been scanned for viruses and > dangerous content by *MailScanner* <http://www.mailscanner.info/>, and is > believed to be clean. > ------------------------------------------------------------------------ > > > > -------------------------------------------------------------------------------- > WISPA Wants You! Join today! > http://signup.wispa.org/ > -------------------------------------------------------------------------------- > > WISPA Wireless List: [email protected] > > 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: [email protected] Subscribe/Unsubscribe: http://lists.wispa.org/mailman/listinfo/wireless Archives: http://lists.wispa.org/pipermail/wireless/
