§ 16.32.095. General requirements for storm water design plans.

A.

[Design information.] Storm water design information shall be submitted as part of the preliminary plat, final plat and construction plans, in accordance with the site development process established by the city.

B.

[Building permit.] A building permit shall not be issued for the land development activity until the required storm water design information and corresponding plans are approved by the city.

C.

[Submission.] At a minimum, the storm water design information submitted at each stage of the city development process shall include the specific required elements that are listed and/or described in the Storm Water Manual, and shall be prepared in accordance with the policies, guidance and calculation methods (unless equivalent methods are pre-approved by the city) presented in the Storm Water Manual. Additional storm water design information may be required as necessary to allow an adequate review of the existing or proposed site conditions.

D.

The submittal of storm water design information shall be subject to the requirements set forth in the minimum subdivision regulations, zoning ordinance, or other city regulations.

E.

[Supervision.] Storm water design information shall be prepared under the supervision of and stamped by a professional engineer licensed to practice in the State of Kansas.

F.

[Viability.] The portions of the new development or redevelopment on which storm water management facilities and systems are located shall be shown on the preliminary and final plats for all residential subdivisions and recorded with the plat as permanent reserves or easements consistent with the policies stated in the Storm Water Manual. Non-residential plats and/or subdivisions having a total area less than or equal to 15 acres shall be required to demonstrate the viability of proposed storm water management facilities and systems. In such cases, the Director is authorized to allow contingent dedications for storm water facilities providing that the owner/developer enters into an agreement with the City guaranteeing the construction of the said facilities in accordance with a schedule approved in the said agreement.

G.

Conformity to the approved plans.

1.

Grading designs shown on approved master grading plans and the design of storm water facilities and controls shown on approved design plans shall be adhered to during grading and construction activities. Under no circumstance is the owner or operator of land development activities allowed to deviate from the approved plans without prior approval of a plan amendment by the city.

2.

Grading and storm water design plans shall be amended to meet all local ordinances and standards if the proposed site conditions change after plan approval is obtained, or if it is determined by the city during the course of grading or construction that the approved plan is inadequate.

H.

Duty to provide an operations and maintenance plan.

1.

An Operations and Maintenance Plan shall be included with the storm water design information submitted with the construction plan. The Operations and Maintenance Plan shall include the required operation and maintenance provisions for each storm water management facility and water quality volume reduction area that is serving, or will serve, the development or redevelopment. The Operations and Maintenance Plan shall include all of the required elements that are listed and/or described in the Storm Water Manual, and shall be prepared in accordance with the policies and guidance provided in the Storm Water Manual.

2.

The Operations and Maintenance Plan shall include an executed legal document entitled "Restrictive Covenants for Storm Water Facilities" (Covenants). The property owner shall record the Covenants with the deed for the property. The location of the storm water management facility(s) and water quality volume reduction areas, the recorded location of the Covenants document, and inspection and maintenance guidance outlining the property owner's responsibility shall be shown on a plat that is recorded for the property

I.

Duty to provide storm water construction information on as-built drawings.

1.

Prior to the release of the performance bond, complete As-Built Drawings shall be provided to the Director, and shall include sufficient design information to show that the storm water facilities will operate as designed under the approved drainage plan.

2.

The As-Built Drawings shall include the required elements that are listed and/or described in the Storm Water Manual, and shall be prepared in accordance with the policies and guidance provided in the Storm Water Manual.

3.

The As-Built Drawings shall be prepared and stamped by a professional engineer licensed to practice in the State of Kansas.

(Ord. No. 48-904 § 7, 11-16-2010)