Dick - I'm sure that I'm older than you and did not mean to confuse you. The old grade for 4" stone or ballast was 4. The new AASHTO grade is #1. Thanks for your input to date. We are trying to price out the project for different methods to see what the client wants to do. Will update as we proceed.
For dicksewerrat. Are you suggesting that the flowable fill would work its way down through the 10' of #4 stone and fill most of the voids. If so, what flowable mix would be required to obtain this possibility.
As originally stated, heavy trucks will cross or sit on the cistern top while going to the loading dock. The intent of the stone fill is to provide a suitable base that would support a reinforced concrete slab that would not settle under the truck loads. Ground water would continue to fill the...
Our industrial client has a large cistern no longer in use that he wants filled with stone and a new concrete top constructed. The cistern is 18' in diameter and 40' deep with a steel beam and concrete top. The beams have deteriorated and the concrete is failing. The walls are brick and stone in...