Clay, I have another question: · Sheet S1-17 depicts a 12” thick slab (8” concrete + 4” panel). Is this really what the engineer wants? It doesn’t seem to jive with the concrete quantity given for contractor’s information on sheet S1-16. Thanks. Mike Fowler Rebcon, Inc. 1868 W. Northwest Hwy. Dallas, TX 75220 (972)444-8230 (office) (972)444-8234 (fax)