A 19th century basilica was heavily damaged by fire in Nantes, France on Monday, June 15, 2015 - Fire ravages 19th-century basilica in Nantes | World news | The Guardian. Initial reports indicate roof work started the fire. Historic buildings undergoing construction and rehabilitation projects are especially vulnerable to fire. Two NFPA standards address fire protection of historic and culturally significant properties: NFPA 909: Code for the Protection of Cultural Resource Properties - Museums, Libraries, and Places of Worship and NFPA 914: Code for Fire Protection of Historic Structures . Roofing work is also addressed by NFPA 1: Fire Code and NFPA 241: Standard for Safeguarding Construction, Alteration, and Demolition Operations.