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Permit Number: T12OT01005
Parcel: 11811010B

Review Status: Completed

Review Details: FLOODPLAIN

Permit Number - T12OT01005
Review Name: FLOODPLAIN
Review Status: Completed
Review Date Reviewer's Name Type of Review Description Status Comments
07/12/2012 JASON GREEN ENGINEERING REVIEW Denied DATE: July 26, 2012
SUBJECT: Discount Cab Development Plan Package- Engineering Review
TO: Chuck Meyer, RA
LOCATION: 829 W Silverlake Rd, T14S R13E 2 Ward 1
REVIEWERS: Jason Green, CFM
ACTIVITY: DP12-0099 and T12OT01005


SUMMARY: Engineering Division of Planning & Development Services Department has received and reviewed the proposed Development Plan Package, Floodplain Use Permit, Drainage Report (Greg Carlson Engineering LLC, 02JUL12) and Stormwater Pollution Prevention Plan (Greg Carlson Engineering LLC, 01JUL12). Engineering Division does not recommend approval of the Development Plan Package at this time. This review falls under Development Standard 2-01. All comments reflect Site Plan and Grading Plan. The following items need to be addressed:


SITE PLAN:

1) DS Sec.2-01.3.3: The relevant Development Plan Package number (DP12-0099) may be added to the lower right hand corner of the plan on all sheets.

2) DS Sec.2-01.3.5: Revise the development plan document and "Sheet Index" to include the landscape, irrigation and water harvesting sheets.

3) DS Sec.2-01.3.9.H.2: Revise the development plan document to accurately label and dimension the future curb/sidewalk location based on the MS&R Plan for a 100-foot right-of-way. Label and dimension the future sight visibility triangles in plan view.

4) DS Sec.2-01.3.9.H.42: Revise the development plan document to label Silverlake Road as a "Collector MS&R."

5) DS Sec.2-01.3.9.H.5.a: Revise the development plan document to provide a 2.5-foot overhang from the proposed parking stalls and the 6-foot chain link fence adjacent to the eastside of the new building.

6) DS Sec.2-01.3.9.H.5.a: Revise the development plan document to label and dimension a 1-foot separation from the proposed company parking canopy and the required 24-foot PAAL width along the north side of the structure.

7) DS Sec.2-01.3.9.H.5.a: Revise the development plan document to dimension the parking spaces under the proposed parking canopy.

8) DS Sec.2-01.3.9.H.5: Revise the development plan document to verify that the area on site called out as "Existing Chip-Seal" meets the surfacing requirements of LUC Section 3.3.6.9.3.

9) DS Sec.2-01.3.9.N.2: Revise Sheet 4 to call out the water harvesting area adjacent to the eastside of the existing building. Label General Note #17 in plan view.

10) DS Sec.2-01.3.9.N.3: Per DS Sec.10-02.10.3.4 revise the development plan document and detail to show that the portion of the proposed storm drain system that extends into the public right-of-way (Mission View Wash) is constructed out of reinforced concrete with the minimum diameter of 18-inches. Provide a manhole at the junction between RCP and HDPE or revise the entire stretch of storm drain to be constructed out of reinforced concrete.

11) DS Sec.2-01.3.9.N.3: Revise the development plan document to provide scour/erosion protection at the outlet end of the proposed 18-inch RCP into Mission View Wash to prevent slope erosion. Verify the minimum limits of disturbance for mitigation purposes.

12) DS Sec.2-01.3.9.N.3: Revise Sheet 3 of the development plan document to correctly label Sheet 5 (not 4) for the Catch Basin & Pipe Detail reference.

13) DS Sec.2-01.3.9.N.4: Revise Sheet 3 of the development plan document to label the required finish floor elevation for the new building. It is acknowledged that the FFE is shown on Sheets 4 and 5 however provide the label on the overall master site plan sheet.

14) DS Sec.2-01.3.9.R: Refer to comments from Ron Brown, RA Structural Plans Examiner for all handicap accessibility comments that may be associated with this project.

15) DS Sec.2-01.3.9.T: Revise the development plan document to provide the minimum 5-foot width of sidewalk within the right-of-way of Silverlake Road per DS Sec.3-01.3.3.A. The plan set shows existing sidewalk at 3.8-feet which does not meet the 5-foot requirement due to a full code compliant submittal.

16) DS Sec.2-01.3.9.T: Revise General Note #3 on Sheet 3 to reference the proposed COT/PC Standard Detail for Public Improvement #207 for the proposed modified curb access ramp.

17) DS Sec.2-01.3.9.T: Revise the development plan document and provide a detail for the refuse enclosure to provide all aspect for construction purposes. The detail must match DS Sec.6-01 and Figure 3b for the required enclosure walls with gates, minimum compressive strength for the concrete, required bollard locations, dimensions for 10'x10' clear area, etc.

18) A right-of-way use permit application will be required for all improvements within the public right-of-way and for the proposed drainage infrastructure that is proposed into the Mission View Wash.


ENVIRONMENTAL RESOURCE REPORT:

19) DS Sec.9-06.2.1: All proposed development within property that includes any Regulated Area as defined in Development Standard 9-06.2.2 shall identify and delineate the Regulated Areas and the Protected Riparian Area. The Regulated Areas on this site are the existing 100-year floodplain limit, specifically the encroachment into the Mission View Wash for the storm drain outlet. Revise the development plan document, specifically the Landscape Plan, to provide the 100-year floodplain information (regulatory limits) on the plant inventory and landscape/mitigation plans.

20) DS Sec.9-06.2.5.B: The project proposes encroachment (storm drain outlet with erosion protection) within the Regulated Areas of the Mission View Wash and will require a Environmental Resource Report (ERR) to demonstrate conformance with DS Sec.9-06 and Chapter 29 of the Tucson Code. The Environmental Resource Report must include all items (a-x) within this section.


SWPPP:

21) Per City of Tucson Code Ordinance 10209, Chapter 26 Section 26-42.2: The SWPPP exhibits must be signed and sealed by the engineer of record, revise. "For land disturbing activities that fall under the jurisdiction of this Article, a Stormwater Pollution Prevention Plan must be prepared and certified by an engineer, or a landscape architect and submitted along with the application for a grading permit to the City of Tucson Development Services Department"

22) Part III.C.3.b: Show areas of soil disturbance and areas that will not be disturbed. This includes the area around the storm drain outlet into Mission View Wash. Label all sediment protection around all disturbed areas to prevent excess from entering Mission View Wash.

23) Part III.C.3.j: Specify existing vegetated areas (trees, brush, etc.) and boundaries of environmentally sensitive areas and buffer zones that are to be preserved. Refer to Landscape Plan for required re-vegetation requirements.

24) Part IV.B.1: If culverts are present on-site, describe measures that will be used to minimize erosion at and around the culvert(s). Clarify inlet and outlet protection for the proposed storm drain during construction.

25) Part IV.B.1: Describe measures for preventing and responding to spill, including spill notification requirements. Provide the emergency contact information (name and telephone number) for Pima County and AZ Department of Environmental Quality on the exhibits.



GENERAL COMMENTS:

Please provide a revised Development Plan Package and ERR that addresses the comments provided above. Include a comprehensive response letter addressing in detail responses to all of the above comments.

Further comments may be generated upon re-submittal of the Development Plan Package. For any questions or to schedule meetings call me at 837-4929.



Jason Green, CFM
Senior Engineer Associate
Engineering Division
Planning & Development Services Department

Final Status

Task End Date Reviewer's Name Type of Review Description
09/27/2012 CPIERCE1 OUT TO CUSTOMER Completed