The book Deriving Building Information Models from legacy paper drawings, provides a thorough examination on the current limitation for BIM usage on existing building, besides practical steps to advance the science of construction engineering, harmonize construction practices with design theories, as well as research the construction engineering and management. The topic includes: construction material handling, building digital process, production planning, building specifications, scheduling, estimating cost control, quality control, labor productivity and inspection, contract administration, building maintenance, construction management, computer applications and environmental concerns.