Did you know Otto currently has 15 (with one in progress) CESSWI-QSP certified Superintendents? Amazing! CESSWI-QSP stands for Certified Erosion, Sediment, and Storm Water Inspector. QSP Stands for Qualified SWPPP Practitioner. This certification enhances each Superintendent’s technical and professional credibility and assures our clients of competence, professionalism, and ethical behavior. This also provides Otto Construction an advantage when marketing our services.