Patent attributes
An open framework warehouse storage rack system for supporting articles on multi-tiered shelves within the wetting zone of an overhead fire sprinkler system. The storage rack system comprises one or more a longitudinally extending rack arrays. A falling water collection system is combined with some or all of the rack arrays. The falling water collection system includes any one of several water handling features that enhance the wetting of storage articles during a fire. One such feature is a scoop-like longitudinal water catcher that protrudes outwardly beyond the front and/or rear faces of the rack array. Another is a transverse intra-stanchion water diverter. Another is a transverse mid-span water diverter. Another is a gutter formed integrally in an uppermost beam. And another is a vertical flue catcher. The falling water collection system maximizes the amount of water that is applied directly to a fire inside the rack array.