If you are really worried about it.......
Buy a cheap masonry drill and make an extension shaft so that it will drill a 6" deep hole thru the bottom plate down in the footings.
Then get a compressed air line down and blow out the holes.
To get the chemical adhesive into the hole get some stiff tubing (PVC) to same size as the outlet on the applicator gun. Fill the deepest hole first, then working your way up till you can do the shallowest hole last, each time the height reduces, cut a small amount off the tube so as not to waste it.
While you are filling holes with chemical, have a friend putting the prepared rods into position, remembering that the chemical starts to set in approx. 2 minutes and usually cures in about 8 hours, that's when you tension the rods down onto the bottom plate.
This will need planning and precision timing, but just being ready will help heaps!
You would have to do approx. every 3 feet for a basic hold, combining with what you already have.
JMHO.