No construction shall take place within the city except between the hours of 7:00 a.m. and 7:00 p.m., Monday through Friday and between the hours of 8:00 a.m. and 4:00 p.m. on Saturday. Construction shall be prohibited on Sundays and on such holidays as may be designated by Council resolution. The Community Development Director may extend the hours of operation for special circumstances by providing written notice to surrounding residents in advance. The restriction on construction hours shall not apply to emergency repairs required to protect the public health, safety, and welfare, whether performed by a public agency, utility, company, or private owner. Said restrictions also shall not apply to a residential property owner and or members of his immediate family, performing work on his personal property.