§ 13.16.170. Hydrology report requirements.

The following are the minimum elements that must be addressed in a hydrology report that is to be prepared by a licensed civil engineer with creek hydrology expertise and submitted for city review and approval prior to the issuance of a creek protection permit for development or work that is described in Section 13.16.160. (The Chief of Building Services may require additional reasonable information due to special circumstances):

A.

Property identification;

B.

Name of the property owner;

C.

California Department of Fish and Game approval, if appropriate;

D.

Alameda County Flood Control and Water Conservation District approval, if appropriate;

E.

Five year, ten year, twenty-five (25) year and one hundred (100) year flows and water surface levels;

F.

How future development in the area (unrelated to the proposed work) may impact flows;

G.

Creek bank stability, before and after the project;

H.

Impact of proposed work with regard to direction, as well as quantity of flow in the creek;

I.

Upstream and downstream conditions, before and after project construction;

J.

Location of major drainage facilities (e.g. trash racks, culverts, discharge points, etc.);

K.

Profile of stream bed across the property and upstream and downstream one hundred (100) feet in each direction;

L.

Cross sections at fifty (50) foot intervals (or as determined to be necessary by the Chief of Building Services);

M.

Proposed improvements to the creek, including any vegetative or other natural screening enhancements utilized;

N.

Impacts of proposed project on existing vegetation or wildlife within the affected riparian corridor; and

O.

Special circumstances/additional information.

(Ord. 12024 § 1 (part), 1997)