This edition of NFPA 13, Standard for the Installation of Sprinkler Systems, was prepared by the
Technical Committee on Hanging and Bracing of Water-Based Fire Protection Systems, Pri-
vate Water Supply Piping Systems, Residential Sprinkler Systems, Sprinkler System Discharge
Criteria, and Sprinkler System Installation Criteria and released by the Technical Correlating
Committee on Automatic Sprinkler Systems, and acted on by NFPA at its June Association
Technical Meeting held June 8-11, 2009, in Chicago, IL. It was issued by the Standards Coun-
cil on August 6, 2009, with an effective date of August 26, 2009, and supersedes all previous
editions.
This edition of NFPA 13 was approved as an American National Standard
