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#19852 - 01/04/03 05:22 PM Ground Rods in Winter  
rowd  Offline
Member
Joined: Sep 2002
Posts: 31
Park Forest, Illinois, USA
I've got four new service upgrades to do in the next two weeks. The ground is frozen. Any good ideas on driving the ground rod past the freeze point?


Work Gear for Electricians and the Trades

#19853 - 01/04/03 05:54 PM Re: Ground Rods in Winter  
JuddsAirco  Offline
Member
Joined: Oct 2002
Posts: 49
KY, USA
You better be either a really good shot with a sledge hammer or use a simple fence post driver.


The lesson is in the struggle, not the victory.

#19854 - 01/04/03 06:04 PM Re: Ground Rods in Winter  
harold endean  Offline
Member
Joined: Feb 2002
Posts: 2,233
Boonton, NJ
When I was in business, I had an electric demolition hammer to drive the ground rods into the soil. If the ground was frozen, we would use a hammer drill to get through the frost line, then drive the rod down. Here in northern NJ the frost can get as deep as 36". We had some long hammer drill bits. [Linked Image]


#19855 - 01/04/03 06:13 PM Re: Ground Rods in Winter  
lighthouse  Offline
Member
Joined: Jan 2003
Posts: 134
philadelphia pa 19125
rowd...i use my hilti drill to install all my ground rods.(no more sledge hammer.)

or you try to a drill a pilot hole and dump some antifreeze down the hole.


#19856 - 01/04/03 07:22 PM Re: Ground Rods in Winter  
sparky  Offline
Member
Joined: Oct 2000
Posts: 5,311
well the anti-F's a new on on me lighthouse.....


#19857 - 01/04/03 07:28 PM Re: Ground Rods in Winter  
gramps  Offline
Member
Joined: Aug 2002
Posts: 112
ohio
everybody knows this is the best time of year for driving ground rods! the frozen ground is good for keeping the rods from going in TOO FAR!...lol!.... [Linked Image]

seriously, we have a driving attachment for our hilti that works pretty good....also, i've used an auger bit and extension before, then pour a little antifreeze, or even warm "water", down the hole............... [Linked Image]


#19858 - 01/04/03 07:55 PM Re: Ground Rods in Winter  
Roger  Offline
Member
Joined: May 2002
Posts: 1,716
N.C.
To all that use their roto hammers or demolition hammers to drive ground rods, do like gramps says and use an attachment. Driving the rod directly in your tool may not ever cause a problem, but, when it does, (I know from experience) it cost to repair the head.

Roger


#19859 - 01/05/03 12:37 AM Re: Ground Rods in Winter  
Trumpy  Offline


Member
Joined: Jul 2002
Posts: 8,217
SI,New Zealand
lighthouse, mate,welcome to ECN.
What a huge idea that is, best I've heard yet,what sort of tip do you use for this?.
How prevalent is the Hilti in the US?, they are pretty big over here(NZ), for the serious contractors, we have Core-bits and all sorts of other attachments, but none to drive an Earth Rod.
Was the Hilti, an American invention?, just curious?, one thing I must say I'm glad that someone invented it.
It makes life so easy. [Linked Image]


Let's face it, these days if you're not young, you're old - Red Green grin

#19860 - 01/05/03 01:06 AM Re: Ground Rods in Winter  
golf junkie  Offline
Member
Joined: Apr 2001
Posts: 507
York, NE
"Any good ideas on driving the ground rod past the freeze point?"

Have your apprentice drive them!

GJ


#19861 - 01/05/03 02:08 AM Re: Ground Rods in Winter  
stamcon  Offline
Member
Joined: Mar 2001
Posts: 329
So San Francisco CA


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