Do not block critical equipment, including fire
extinguishers, hose stations, electrical panels, fire
pumps, heaters and personnel exits, with rack
installations.
• Maintain sufficient clearance between the top of the
highest load and overhead fire control sprinklers, if
present, to allow water flow as designed. In the
absence of design requirements, allow a minimum of 90
cm (36 inches) for Early Suppression Fast Response
(ESFR) or Large Drop sprinkler heads, and 50 cm (18
inches) for other sprinkler heads.