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Permit Number: T03OT00458
Parcel: 11615190N

Address:
1750 W ANKLAM RD

Review Status: Completed

Review Details: FLOODPLAIN

Permit Number - T03OT00458
Review Name: FLOODPLAIN
Review Status: Completed
Review Date Reviewer's Name Type of Review Description Status Comments
03/21/2003 DOUG WILLIAMS ENGINEERING REVIEW Denied SUBJECT: St. Mary's Imaging Center
REVIEWER: Doug Williams
DATE: 20 March 2003
ACTIVITY NUMBER: T03OT00458

SUMMARY: Engineering Division has reviewed the site plan and hydrology investigation received on February 22, 2003. Approval is not recommended at this time. The following comments are offered:

1. Depict, or provide a note addressing the limits of the 100-year floodplain and water surface elevations onsite (DS 2-02.2.1.15);

2. The drainage patterns and finish grades provided do not demonstrate adequate drainage onsite. It appears that the proposed curbing near the north property line and southeastern parking area will obstruct existing flow patterns.
3. Provide additional spot elevations, flow arrows with percent slopes and curb opening notes as appropriate, to demonstrate adequate drainage and maintain existing drainage patterns (DS 2-02.2.1.16);

4. Provide datum from which contour elevations were derived, and provide a benchmark based on City of Tucson (COT) datum, including COT Field Book and Page numbers (DS 2-02.2.1.23);

5. Development in a Federal Emergency Management Agency (FEMA) floodplain requires elevation datum to be based upon National Geodetic Vertical Datum (NGVD) - this elevation datum should be clear on the Site Plan, and shall be utilized for finished floor and water surface elevation information, at a minimum.

6. The hydrology investigation submitted does not address this specific project and current floodplain and balanced basin development requirements, as they affect this project. The current Flood Insurance Rate Map (FIRM) panel indicates that a significant portion, if not all of the site lies within the 100-year special flood hazard area (floodplain), thus incurring floodplain development requirements (Tucson Code, Sections 26-4.1, 26-5.2, 26-6.2 and 26-11- City of Tucson Floodplain Regulations).

7. The value of the proposed expansion to the existing structure appears to exceed 50% of its current value, however it is not clear at this time. If so, then this proposed development may constitute a substantial improvement to an existing structure. Submit a detailed assessment of the project cost in accordance with the National Flood Insurance Program (NFIP) Substantial Improvement requirements. Provide information regarding date of construction of the existing structure and any previous floodplain use permits that may have been issued.

8. Provide a revised site plan and submit a drainage report addressing this proposed expansion, balanced basin flow attenuation and floodplain development requirements, at a minimum. The report that was submitted may be referenced, if applicable, but the consultant should ensure that appendices and exhibits are included, if referenced.

If you have any questions, I can be reached at 791-5550, extension 1189 or Dwillia1@ci.tucson.az.us.


Doug Williams
Engineering Division
Development Services Department

Final Status

Task End Date Reviewer's Name Type of Review Description
06/30/2003 LISA LESNY OUT TO CUSTOMER Completed
06/20/2003 ELAINE ROSE REJECT SHELF Completed