I am building an addition onto my house and have to pour concrete footings (11 of them) under the cantelevered side of my house provide support for new second level. The footings have to be 12″ thick and the bottoms have to be 30″ below grade. The problem I run into is that I live on an island, right next to the bay, and the water level is about four inches below grade. I dug my first footing hole yesterday and came home today to find it filled with water and collapsed (it filled in over the form I put in the bottom). Any suggestions on how I can keep these holes dry enough to get through my inspections? The inspectors only work Tues and Thurs from 1 PM until 4PM (what a life!) so the holes will have to be open and dry for a while.
As always…your suggestions and input are greatly appreciated.