"FYI - NFPA is offering a free webinar on THR 15 DEC 2016 from 12:30-13:30.
Early Suppression Fast Response (ESFR) sprinklers are often installed in warehouses to avoid installation of in-rack sprinklers. Due to the unique discharge pattern of the ESFR sprinkler, obstructions located near the sprinkler can greatly affect the distribution of water and potentially sprinkler performance. The Webinar will report on the latest results of a three year Fire Protection Research Foundation project investigating the impact of obstructions that encroach on the NFPA 13 limitations on ESFR discharge through both Actual Delivered Density and full scale testing. The link has information to register."
(This is shared from an email sent to the Region 2 VPP Sites from Richard F. Brown, CSP, CFPS, VPP Manager, US DOL OSHA)