I have to rebuild

[ridgefire]

Ever have one of those Duh moments.....It never even crossed my mind to rent a jack hammer. I rented one couple years ago to remove an old sidewalk at the in laws.

 

[G Wiz Ranch]

+1 Jackhammer

 

[thedeacon]

Use anchor supports. Drill holes into the shell and use concrete anchor bolts.

 

[cmom]

Good luck on however you do it. Please post some pics. Very interesting