Analysis and design of buildings and structures composed of wood, steel, concrete or masonry. Residential buildings: Building additions. Structural changes due to renovations such as removal of load bearing walls and/ or teleposts. Such changes require a building permit from the municipality, which needs engineered drawings to be issued. New building structural drawings such as lateral bracing details of foundation walls, reinforcement requirements of foundation walls higher than 8 ft, and tall wall details. Evaluation of structural integrity of existing buildings with potential problems such as foundation wall cracks or sagging floors. Construction reviews to verify that it is done according to the standards.