If the allegation is of recent lewd and lascivious acts, or of relatively recent anal or vaginal penetration, then the police will likely order a medical examination of the child and a forensic analysis. This may include analysis of the child's body, clothes and the location of the alleged incident.
Different types of decorative concrete involve different processes so timing will vary. However you should normally allow between 8 to 20 days for us to undertake and complete your job.
Most concrete these days doesnt need 28 days to come to full strength and most achieve it in 14 or so days. That being said people pour walls and within days are already building on it. The reason for this is because framing a house takes time and the full weight of a house wont bare on it for most of the time a month.