I decided to re-purpose my old basement darkroom. Bought two, 50# bags of cement to more or less level the floor. Sort of bragging to the young woman next door to me that I can still lift 50# bags at age 71.
Due to a low spot, mentioned that I was going to have to go back to the store and buy one more bag.
She told me: Just a minute...than ran bag into her house and came out carrying a 50# bag and said: here ya go, if you need more, just ask.
She did not seem to be straining at all. :)
I live in Milwaukee. Love it here.