BLAST DAMAGE ASSESSMENTS, POST BLAST ASSESSMENTS, PRE BLAST SURVEYS, BLAST MONITORING, TRAINING, CONTINUING EDUCATION, SEISMOGRAPH MONITORING, CRACK DISPLACEMENT MONITORING The last thing a contractor wants to hear from a homeowner is, I have damage from your blasting operation. This is where the concept of managing your liability comes into focus. The methods we employed from the inception of your construction project come full circle to minimize your liability.