How about an air hammer? I trim concrete with one made for muffler work. Have driven anchor bolts up to 3/4" into the concrete. Five pound air hammer for any thing 1 1/2" too 3". Fifty pounder for anything over 3". Have Fun!
When we install new wells the box is always Square D with copper and we copper coat all wires even though they are copper. No aluminum used......
Greenghost
Blue Monster is what we use for stainless steel pipe fittings, costs to much. Gasoila I do not know about. Brass and steel fittings we use a paste with Kevlar in it. Rectorseal is a leading manufacturer of chemical specialty sealants and get my vote. A good union will have a brass too steel seal...