Software as a service (SAAS) services featuring software for representing 3D computer models of buildings, building infrastructure and building systems and equipment; Software as a service (SAAS) services featuring software for qualifying, extracting, validating, and updating data from 3D computer models of buildings, including building locations, building systems, and building equipment; Software as a service (SAAS) services featuring software for managing building information, namely, documents, building locations, building systems and building assets, for use in facilities management; Software as a service (SAAS) services featuring software for tracking building infrastructure meta data and building systems and equipment warranty periods; Software as a service (SAAS) services featuring software for organizing and searching manuals, warranties and other documentation associated with the construction and operation of buildings; Software as a service (SAAS) services featuring software that allows searching and viewing building information stored in document management systems; Software as a service (SAAS) services featuring software that provides a data platform for integrating documents and data from document management systems, building maintenance management systems, and building performance and building analytics systems to provide integrated access and presentation of building information; Software as a service (SAAS) services featuring software that allows searching and viewing building information from building maintenance management systems; Software as a service (SAAS) services featuring software that allows viewing of building information from a web portal; Software as a service (SAAS) services featuring software that allows the assignment of tags to building information to improve search functionality; Software as a service (SAAS) services featuring software that allows the re-categorization of building information to improve search functionality; Software as a service (SAAS) services featuring software that allows facility owners and builders of capital projects to manage construction warranty events; Software as a service (SAAS) services featuring software that allows builders to develop root cause analytics about construction warranty events