Bitmap Bitmap Bitmap Bitmap Bitmap Bitmap Bitmap Bitmap We're the first choice in DWI Assessments and DWI classes 7 days a week in the Charlotte, North Carolina area. We also offer DOT-SAP assessments in order to get you back to work faster if you failed a pre-employment or random drug test.  Behavioral Health Intervention Center, LLC offers DWI assessments, DWI classes, court-approved drug education, and cognitive-behavior intervention (CBI) classes. If you're in need of DOT-SAP assessments, be sure to call us right away!