ACM failed to meet its burden of establishing the absence of constructive notice of the wet floor condition since it failed to submit any evidence by a person with knowledge of their cleaning procedure or the actions of their staff in this regard on the date in question ( see Stone v. KFC of Middletown, 5 AD3d 106; Pirrelli v. Long Is. R.R., 226 AD2d 166). Moreover, plaintiff's opposition raised a triable issue of fact as to whether the dangerous condition had existed for a sufficient period of time before her fall to permit this defendant to discover and remedy it.