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PHASE 1: Sheds

Phase 1 Sheds
A steel shed with 1.5 m (5 ft) separation from the target ignites the eaves of the target structure.

Phase 1 aims to quantify the effects of shed sizes, construction types, fuel loading, and separation distance on the ignition of primary structures (residential dwellings). Experiments will be conducted at the National Institute of Standards and Technology (NIST) and the Insurance Institute for Business and Home Safety (IBHS). The NIST experiments will be conducted at the National Fire Research Laboratory (NFRL), and the IBHS experiments will be conducted just outside of their facility’s wind loading test cell. The opening of the test cell (13.7 m (45 ft) wide) will dictate the largest source structure that can be evaluated at IBHS. 


Maranghides, A., et al. (2021) Structure Separation Experiments Phase 1 Preliminary Test Plan. NIST Technical Note 2161. National Institute of Standards and Technology. Gaithersburg, MD.

Created September 1, 2021, Updated August 25, 2023