Notwithstanding any requirements for notice provided under § 9-5-2, the City Manager may declare certain violations of §§ 9-2-5C., 9-4-1, or 9-4-2 to be "an extreme and present danger to the public health and safety," which requires the city to take immediate action for the public welfare. The City Manager shall make his or her determination in writing, describing with particularity the reasons for the determination.