The bolts are 1/2" A307.
The concrete is bascially a big weight to keep the pipe and the equipment mounted from tipping over for any reason. the 4 bolts are set in concrete and a 1/2" steel plate is attached to the bolts and then tightened down with some washers on each side and then the nut...
OK, i am not sure how to approach this problem. I dont have all of the details yet:
I have four 10" bolts anchored in concrete about 8" deep in a 5" square pattern. I will have a 1/2" steel plate with a 15 ft 4 1/2" sch. 40 pole welded to the center of the steel plate. Some minor equipment will...