I want to errect a structural steel mezzanine on an existing slab on grade. The slab is 5" thick with 6x6 10/10 galvanized wire mesh reinforcement. Concrete design mix was 3000 psi.The sub grade is lime rock compacted to 95%. The column baseplates are 10"x10" with maximum floor loading at the...
I have a spare 2 pole / 30amp circuit breaker in a 120/240 / 3 phase / 3 wire electric panel. Can I connect a 30amp / 240v. single phase water heater to the 3 phase panel?