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The engineering calculations and percolation test data, plans and specifications shall be reviewed by the department to determine that the retention system, as designed, will control the excess waters determined under the engineering studies conducted pursuant to section 17.08.060 of this title and that provisions are made for overflow in excess of a 10-year frequency flood. If the retention system, as designed, will control the excess waters within the subdivision or development, the department shall approve the system. If the system will not control the excess waters, the department will specify, in writing, the deficiencies of the system as designed. (1999 Code)
Upon completion of such review and approval by the department and posting of a cash bond, an escrow agreement or a letter of credit that is acceptable to the City in an amount specified by the department, final approval of the subdivision or development plan or building permits for construction of the unit or subdivision drainage system facilities may be given. (1999 Code; amd. Ord. 2023-12, 9-21-2023)
The City shall not own or have any responsibility or maintenance obligation for drainage facilities or retention systems constructed pursuant to this title unless: a) such facilities or systems are conveyed or dedicated to the City and the City accepts such conveyance or dedication; or b) the City agrees by ordinance to undertake such responsibility or maintenance obligation. (1999 Code)