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Permit Review Detail

Permit Number: T04BU02354
Parcel: 140420520

Address:
2320 E ARAGON RD

Review Status: Completed

Review Details: GRADING

Permit Number - T04BU02354
Review Name: GRADING
Review Status: Completed
Review Date Reviewer's Name Type of Review Description Status Comments
10/05/2004 Andrew Connor NPPO REVIEW Denied The site is required to comply with the provisions provided in: CITY OF TUCSON LAND USE CODE Sec. 3.8.1 ARTICLE III. DEVELOPMENT REGULATIONS DIVISION 8. NATIVE PLANT PRESERVATION.

Site plan approval is necessary to continue review. Include any relevant documentation with re-submittal.
10/08/2004 DAN CASTRO ZONING REVIEW Denied Grading may not be reviwed until the EngineeringSection has approved the grading plan.
10/27/2004 Loren Makus ENGINEERING REVIEW Denied DATE: October 29, 2004
TO: OPW Engineering, LLC
SUBJECT: Commercial Parking Lot, Site Plan and Grading Plan Review
REVIEWER: Loren Makus
ACTIVITY NUMBERS: T04OT01917 and T04BU02354

SUMMARY: The Site Plan, Grading Plan and Drainage Report were reviewed by Development Services Department Engineering Division. The Site Plan, Grading Plan, Drainage Report and Stormwater Pollution Prevention Plan (SWPPP) were not approved at this time.
Drainage Report comments:
1. The proposed future drainage conditions appear to shift the overbank discharge from Aragon Road to Plumer Avenue. Provide discussion and calculations to show that properties along Plumer Avenue will not be adversely impacted by the changed drainage patterns.
2. Address the curve in the drainage channel and discuss whether superelevation of the bank is necessary.
3. Provide diagrams of the cross-sections used for the HEC-RAS analysis. Demonstrate that the Site/Grading Plan is consistent with the proposed cross-sections.
4. Provide detail drawing of the proposed channels adjacent to the existing channel. Show how the required maintenance access will be provided.
5. Provide an evaluation of the soil adjacent to the proposed retaining walls and the suitablility of the proposed walls considering the potential for repeated inundation of the basin.
Site and Grading Plan comments:
6. A Floodplain Use Permit is required. Submit a completed Floodplain Use Permit including the required $150 drainage review fee.
7. Show how water will be directed to the retention/detention basin. Clarify in the details how water will enter the basin. If the pavement in the adjacent PAAL is to be flush with the top of the walls, this should be shown in the details. Also make a note that the retaining walls will be built under separate permit. (DS 2-02.2.1.A.16)
8. Clearly show the maintenance access for the retention/detention basin.
9. Provide details of the basin to show the ground surface on each side of the weir and stabilization at the weir outlet. Provide enough detail so the inspectors can confirm that the outlet is constructed according to plan.
10. Show on the Site/Grading Plan water surface contours along the drainageway.
11. Show discharge quantities for all discharges to and from the site including the overbank flows.
12. Revise Grading Note 16 to indicate the grading will conform to Development Standard 11-01.0.
13. Provide cross-section details showing the relationship of the finish grade across the parking areas to the adjacent drainageway and to adjacent rights-of-way. Clearly show the trapezoidal channels described in the drainage report.
14. The existing vegetation in the drainageway is to be preserved. Show how the perimeter of the graded area in relation to the native soils in the vegetated areas.
SWPPP comments:
15. Revise the SWPPP to be consistent with the Site/Grading plan in the matter of import or export. The SWPPP indicates that the site is designed to balance.
16. Revise the detail for the Silt Fence Barrier so that the compacted native soil is not mounded above the natural grade.
17. Part IV.J.1. Each Operator must sign the SWPPP

Revise the Site Plan, Grading Plan, Drainage Report and the SWPPP to address all of these comments and resubmit three copies of the grading plan and the SWPPP. If you would like to meet with me to discuss any of these comments please call me at (520) 791-5550 ext. 1161.

Loren Makus, E.I.T.
Senior Engineering Associate
Engineering Division
Development Services

Final Status

Task End Date Reviewer's Name Type of Review Description
11/04/2004 BETH GRANT OUT TO CUSTOMER Completed
11/04/2004 ANGIE SHOFFSTALL REJECT SHELF Completed