CASTING OF CONCRETE-FS-CURING ACTIVITY (DURATION7 DAYS),THE SUCESSOR OF THIS ACTIVITY MAY START LATE,BUT THE CURING ACTIVITY HAS TO COMMENCE THE DAY AFTER THE CONCRETE IS CAST AND THE SAME WILL BE DONE FOR7 DAYS,HOW TO SHOW THIS RELATIONSHIP WITH ACCURATE FLOATS,OTHER THAN USING THE ZERO TOTAL FLOAT CONSTRAINT
