On Mon, 17 Aug 2015 03:44:01 +0000, Paul
wrote in
s.com

I want to make a yard of concrete for a 9'x9'x4" slab. How much of each
dry ingredient do I need?

Traditional sand - wet cast (approximately 1 cubic foot)

32lbs Portland (Type 1)
90lbs sand / aggregate
12.5-14.5lbs water (approx 1.5 gals)

1cuyd = 27 cuft
--
Web based forums are like subscribing to 10 different newspapers
and having to visit 10 different news stands to pickup each one.
Email list-server groups and USENET are like having all of those
newspapers delivered to your door every morning.