Vacant and Abandoned Buildings: Hazards and Solutions Credit Hours: 4 Approximate reading time: 2.5 Hours Approximate online time: 1.5 Hours You Must Be Signed In To View This Program. Register Today NFPA Documents Disclaimer- NFPA and other resource editions cited within the CFITrainer.Net site were current as of the release of the respective modules. The field of fire investigation and its guiding documents are constantly evolving and it is incumbent upon the fire investigator to remain up to date with the guidance in the current editions of the documents referenced in all modules on CFITrainer.Net, regardless of which edition was used in the writing of the module. Program Abstract This purpose of this module is to provide fire investigators with an awareness of the unique characteristics of vacant and abandoned structures and how these characteristics contribute to the ways these structures often burn and the special challenges in investigating these fires. The module provides investigators with information on how to determine property ownership, an awareness of the special hazards posed by vacant and abandoned buildings and the challenges of conducting a safe and successful investigation.