The NASCLA-ACCREDITED EXAMINATION - COMMERCIAL GENERAL BUILDING CONTRACTOR reference books included are listed below for the. Mechanical and Electrical Systems for Construction Managers, 4th Edition, 2023 ICC A117.1-2017 Standard for Accessible and Usable Buildings and Facilities; International Code Council BCSI: Guide to Good Practice for Handling, Installing, Restraining, and Bracing of Metal Plate Connected Wood