(a) The provisions of this chapter shall not be applicable to any excavation work under the direction of competent city authorities by employees of the city or by any contractor of the city performing work for and in behalf of the city or to the property owner who personally installs a surface improvement only of asphalt cement or brick in any parkway adjacent to his property.
(b) The provisions of this chapter shall not be applicable to any subdivider whose work is covered by a contract with the city.
(Ord. 1886 (part), 1959: prior code § 33.22)