Fire Prevention & Protection, Firefighting

Thermal Failure of Hoselines: An Analysis of the Data

Issue 4 and Volume 170.

BY LISA A. HERB AND ADAM ST. JOHN (1) The front exterior of townhouses used in full-scale scoping tests. (Photos by ATF Fire Research Laboratory.) Interior attack hoselines have been failing more frequently from exposure to heat during fire suppression. The National Institute for Occupational Safety and Health (NIOSH) Fire Fighter Fatality Investigation and Prevention Program (FFFIPP) has observed this alarming trend. The tragic Boston Back Bay fire on March 26, 2014, brought thermal hoseline failure to the forefront. Lieutenant Edward J. Walsh and Firefighter Michael Kennedy of the Boston (MA) Fire Department lost their lives as they advanced their hoseline down the stairs into the burning basement of a Boston brownstone. An open rear basement door caused a rapid increase in temperature in the basement, in the stairwell, and on the first floor. Strong winds exacerbated this ventilation flow path. Two hoselines inside the structure – a charged 1¾-inch…

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