§ 13.24.080. Submission of a drainage plan.

A.

All developers applying for any of the following permits and/or approvals shall submit for approval a drainage plan prepared by a professional engineer with their application and/or request:

1.

Major subdivision plat approval;

2.

Minor subdivision plat approval;

3.

Zone change applications to accommodate multi-family, business or industrial use;

4.

Conditional use permits;

5.

Building permits where the permit relates to fifteen thousand (15,000) or more square feet of development coverage within the property, or where development is in a critical area as determined by the City Engineer;

6.

Planned (Unit) Development (PUD).

B.

Commencement of construction work under any of the above permits or applications shall not begin until such time as final approval of the drainage plan is obtained in accordance with the ordinance codified in this chapter.

C.

The same plan submitted during one (1) permit/approval process may be subsequently submitted with further required applications. The plan shall be supplemented with such additional information as may be requested by the Director of Public Works.

D.

The plan requirement established in this section will apply except when the developer demonstrates to the satisfaction of the Director of Public Works and/or Planning Advisory Board that the proposed activity or development:

1.

Will neither seriously nor adversely impact the water quality conditions of any affected receiving bodies of water; and

2.

Will not alter the surface discharge location, alter the drainage pattern on adjoining properties, alter drainage patterns, increase the discharge, nor cause any other adverse effects in the drainage; and

3.

Will not alter the subsurface drainage patterns, flow rates, and discharge points, nor result in any significant adverse effects to property or residents.

(Ord. 2645, 1993; Ord. 2529(part), 1989, §13.24.080).

(Ord. No. 3057, § 1, 8-17-2010)