In the event a special type of interceptor is required to adequately protect the sewer, a competent engineer shall be retained to fully investigate the processes at the plant and provide adequate facilities for the retention of undesirable wastes by interceptors or other suitable means. The proposed design shall be submitted to the Director of Public Works for his approval prior to installation and connection to the sewer.
('86 Code, § 16.20.040) (Ord. 2472, passed 9-18-51)