FILL IN GROUNDHOG TUNNEL

   / FILL IN GROUNDHOG TUNNEL #1  

rmankty

Bronze Member
Joined
Sep 28, 2011
Messages
59
Tractor
1948 farmall cub
Hello, I live in Michigan.I drove out the woodchucks last year filled in their holes,but they came back and dug a tunnel under my driveway.I am looking for ways to shoot sand up inside to seal off hole.I have priced grout pumps and foam systems,Im not going to drill holes in the top and hire a mudjacking co. I am looking for ways to shoot sand way up inside to fill hole,then I'll make sure this doesnt happen again.They never came around drive before,and I never thought of it until they did. I thought a sandblaster with as big a nozzle I can get. Any suggestion? Thank you for your help!
 
   / FILL IN GROUNDHOG TUNNEL #2  
Hello, I live in Michigan.I drove out the woodchucks last year filled in their holes,but they came back and dug a tunnel under my driveway.I am looking for ways to shoot sand up inside to seal off hole.I have priced grout pumps and foam systems,Im not going to drill holes in the top and hire a mudjacking co. I am looking for ways to shoot sand way up inside to fill hole,then I'll make sure this doesnt happen again.They never came around drive before,and I never thought of it until they did. I thought a sandblaster with as big a nozzle I can get. Any suggestion? Thank you for your help!

Have you tried smoke bombs for groundhogs?
If you can't find the second hole to plug it before the smoke you will usually see the smoke coming out of it so plug it with dirt then.
If the groundhogs are home when you smoke the holes that usually takes care of that site for a long time. Keep the grass cut short and they will move to the woods.
 
   / FILL IN GROUNDHOG TUNNEL
  • Thread Starter
#3  
Have you tried smoke bombs for groundhogs?
If you can't find the second hole to plug it before the smoke you will usually see the smoke coming out of it so plug it with dirt then.
If the groundhogs are home when you smoke the holes that usually takes care of that site for a long time. Keep the grass cut short and they will move to the woods.

Thank you for info.My main project is filling the tunnel under the driveway. I may end up buying a grout pump,or see what else is available for cheap.Thank you!
 
   / FILL IN GROUNDHOG TUNNEL #4  
Thank you for info.My main project is filling the tunnel under the driveway. I may end up buying a grout pump,or see what else is available for cheap.Thank you!

Might be able to rent one fairly cheaply.
 
   / FILL IN GROUNDHOG TUNNEL #5  
Instead of shooting sand you need to shoot groundhogs... a .22 caliber would work just fine.
 
   / FILL IN GROUNDHOG TUNNEL
  • Thread Starter
#6  
I have considered doing that more that once,might end up doing so.My real project is filling the tunnel under the drive.I never thought of them digging there before.I wish I had!
 
   / FILL IN GROUNDHOG TUNNEL #7  
i have been "told" if they are shot and dumped back in their hole with dirt on top, the others won't come back. Don't know for fact as we can't discharge a firearm in our township, only "heard"
 
   / FILL IN GROUNDHOG TUNNEL #8  
Pellet guns are pretty quiet...

You could "wash" sand into the hole using water. Might not completely fill it up but sand will "flow" pretty good when enough water is involved.
 
   / FILL IN GROUNDHOG TUNNEL #10  
Where you can't discharge a firearm, live trapping is a good alternative. Easy enough to do I have found.

However........... I would suggest you test a trapped animal before relocating and setting it loose.
What has worked good for me is to submerge the trap in water. If the ground hog can hold there breath for 1/2 hour or more, they may be hearty enough to survive. If you release them without testing.......... They will usually beat you back to where you trapped them.

Good luck
 
   / FILL IN GROUNDHOG TUNNEL #11  
Is your driveway concrete or asphalt? Sounds like it might be concrete.

How wide is it?

Get a hose down as far as you can then pump some fillcrete in.

fillcrete; AKA 'flowable fill' or 'controlled low strength material' (CLSM); might do the trick. It is used some times on excavations where multiple commodities are uncovered and it is impossible to compact fill around them without the risk of doing damage.


Here's one recipe;

Mix cement, sand and water in the following proportions to yield one (1) cubic yard of mixture:

Portland Cement - 188 lbs.
Sand - 3,010 lbs.
Water - 46.2 gal.
 
   / FILL IN GROUNDHOG TUNNEL #13  
i have done it a couple times. to get in some tight areas when insulating house and sheds. that is. taking some aquarium hose tubing. and placed it on end of a can spray foam nozzle/tip (great stuff red can = *closed cell foam*). if you could some how get a stiff wire, that you could some what bend, and duct tape end of wire to some hose. you might be able to spray foam the hole up.

you might want to rig up some sort of pipe/hose, with air compressor, and set regulator to say 20 PSI. and plow the hole out. to get fresh air into the hole. so spray foam has a better chance of actually foaming up. when you spray, vs remaining in a liquid form.

if you have extra wire and some extra hose. you might try running 3 or 4 hoses into hole. so you can spray a couple cans in, let it set overnight, then use another hose (hopefully not plugged) and spray a couple more cans in. and repeat with other hoses, waiting 24's in between. waiting 24 hours = initial cure time. and perhaps taking less foam to fill the hole up.

once all done with spray foam. let it fully cure, then cut wire and aquairum hose out, use a steak knife (from kitchen) or like, and a razor blade, to trim excess foam off side of drive way. and then put some dirt over the area. to hide any use of spray foam.
 
   / FILL IN GROUNDHOG TUNNEL #14  
I would get a good pellet rifle or either some hart traps to do away with the ground hogs. Then I would fix the driveway.
 
   / FILL IN GROUNDHOG TUNNEL #15  
I would get a good pellet rifle or either some hart traps to do away with the ground hogs. Then I would fix the driveway.
Yet to see a pellet rifle that had enough power to humanely kill a groundhog....
 
   / FILL IN GROUNDHOG TUNNEL #16  
you get some of those 22cal pellet rifles they shoot past 1000fps. They will easily kill a groundhog. Still a 22 rifle will be easier with longer distances.
 
   / FILL IN GROUNDHOG TUNNEL #17  
I think I would try mixing up some sackcrete in a real wet, runny mix, pour it into the hole and use a broom handle or something similar to force it into the hole.
 
   / FILL IN GROUNDHOG TUNNEL #19  
never tried it but would a insulation machine with the air lock, blow in a sand cement mix and then slowly remove the hose, (most likely need a short hose,

about the only other thing I could think of is a grout pump, Grout Pump With Steel Base i would think it have a very runny mix,

would a presurxed sand blaser tank pump in a slury , years ago I made a dry texture macnine that used a presureized tank to move dry wall mud texture down a hose to a blow gun, the mud was very loose,
 
   / FILL IN GROUNDHOG TUNNEL #20  
never tried it but would a insulation machine with the air lock, blow in a sand cement mix and then slowly remove the hose, (most likely need a short hose,

about the only other thing I could think of is a grout pump, Grout Pump With Steel Base i would think it have a very runny mix,

would a presurxed sand blaser tank pump in a slury , years ago I made a dry texture macnine that used a presureized tank to move dry wall mud texture down a hose to a blow gun, the mud was very loose,

We used to blow sand into watermain casings using just an open hose on a large air compressor. You can rent them at most rental stores and for some reason I am thinking they are rate 185 CFS or greater. Start piling dry sand then work the open hose into the sand forcing it back into the hole. I would think you could blow it in 10 feet or so. A concrete slurry "Kcrete" could also work but much more expensive although they wouldn't be digging through it.
 

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