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Permit Review Detail

Permit Number: T05BU01725
Parcel: 10816008B

Address:
4980 N 1ST AV

Review Status: Completed

Review Details: RESUBMITTAL - GRADING ALL

Permit Number - T05BU01725
Review Name: RESUBMITTAL - GRADING ALL
Review Status: Completed
Review Date Reviewer's Name Type of Review Description Status Comments
01/03/2006 TERRY STEVENS ZONING REVIEW Denied 1/03/06

Development Services Department
Zoning Review Section

David Rivera
Principal Planner

Comments:

1. The grading plan has been reviewed by Zoning Review Section but cannot approve the plan until it has been approved by the Engineering, and Landscape Review Sections and until all zoning comments or concerns have been addressed.

2. Zoning could not verify that the grading plan was in compliance with the approved site plan. Please submit two copies of the approved and stamped site, landscape, and NPPO plans with the next grading plan submittal.

3. Zoning will re-review the grading plan on the next submittal to insure compliance with the approved and stamped site plan. Additional comments may be forthcoming.
12/06/2005 ANDREW CONNOR NPPO REVIEW Denied Site plan approval is necessary to continue review.
12/20/2005 PATRICIA GILBERT ENGINEERING REVIEW Denied DATE: December 23, 2005
ACTIVITY NUMBER: T05BU01725
PROJECT NAME: Tucson Self Storage
PROJECT ADDRESS: 4980 North 1st Avenue
PROJECT REVIEWER: Patricia Gilbert

The following items must be revised or added to the grading plan. Please include a response letter with the next submittal that states how all comments have been addressed.

RESUBMITTAL REQUIRED: GRADING PLAN, SWPPP, GEOTECHNICAL REPORT, and DRAINAGE REPORT.

1. A copy of the stamped approved Site Plan must be included with the Grading Plan submittal.

2. The Site Plan is currently in review. Any changes made to the Site Plan must be reflected on the Grading Plan. The Site Plan and Grading Plan must match.

3. The grading plan has been revised to show only one basin located on the south side of the proposed structure. The site plan indicates 2 retention basins. In addition the height, bottom elevation and volume of the retention basin located on the south is different then what is shown on the grading plan. The site and grading plan must match. Revise.

4. Due to the fact the north side retention basin has been removed and replaced with a swale it is recommended to direct all the roof drainage to the retention basin located on the south side.

The above comment is from the site plan review. If it is decided to redirect the roof drainage to the south, revise the grading plan appropriately, .i.e. show the roof down spouts only on the south side of the building.

5. Provide the existing and proposed 100-yr flow amount that is entering the existing 18" RCP.

6. What size is the storm drainage line that is indicated in the legend and shown on the plan? Is the storm drainage line going to be connected to the storm drain system? Clarify in detail in the response letter.

7. Show a detail of the retention basin that indicates the length of the basin. Dimension/revise accordingly.

8. The purpose of the grading plan is to be used as a construction document by the City of Tucson Engineering Inspectors. It must be clear on the grading plan how the site is constructed. Per the site plan there are parking spaces adjacent to the retention basin, however on the grading plan it is difficult to determine the site infrastructure. Provide a cross section of the retention basin and the parking lot. Please see redlined plan sheet number C2G. Show elevations, call out structural elements (curbs, ramps, rock rip rap, etc).

9. It is not clear how the drainage is entering the basin. It is acknowledged that a retention outlet structure is shown, however the drainage is directed to the three parking spaces located on the south side of the property, which will create ponding. Standing water is not acceptable. How will the drainage be directed to the basin without creating nuisance ponding? Revise accordingly and please review redlines.

10. Security barriers must be provided at the top of all basin slopes steeper than 4:1 and depths that exceed 2'. Provide a security barrier, call out appropriately on the grading plan and show specifics (height, width, type) in the above requested cross section (see comment 8). Detention/Retention Manual 3.6.2.

11. Keynote number 9 depicts a 15' vehicular access ramp. The actual callout and leader points to the southside of the basin. Clarify. Is that the location of the ramp? Vehicles can not enter the basin from the adjacent property. Revise the grading plan accordingly.

12. Provide a recommended minimum setback from the building to the retention basin. SMDDFM 14.2.

13. Provide in the drainage report a maintenance checklist for the retention basins. See attached document.

14. It is recommended to set up an appointment to discuss the review comments if effort to approved the grading plan at the third review. The redlines should accompany the representative of the project during the meeting.

15. Additional comments could be forthcoming due to the amount of comments with the first review.


GEOTECHNICAL EVALUATION COMMENTS

1. Remove the verbiage regarding the site development NOT having a retention/detention basin located in Section 2.0 Project Description.

2. Per the response letter, response comment number 2, states a recommendation for the retention basins to be sealed. It has been requested from the Geotechnical Evaluation to provide recommended setback for the retention basin to the structure. Sealing the retention basin prevents the intent and function of the retention facilities and will not be accepted. Provide the setback distance for the building from the retention basin or a retention design that meets the requirement of the Standards Manual for Drainage Design and Floodplain Management 14.2.

SWPPP COMMENTS

1. Identify the nearest receiving waters on the location map on the Erosion Control map and in the narrative. (Part IV.C.2.e.)

2. Include a copy of the AzPDES permit and the NOI on forms provided by ADEQ. A copy of the Arizona Pollutant Discharge Elimination System General Permit must accompany the SWPPP. Include a copy of the general permit with the SWPPP. (Part IV.F.)

3. Include an area on the SWPPP plan for signed certification by the owner and the responsible operator for the construction site.

4. Describe the intended sequence of soil disturbing activities (Part IV.C.2.b)

5. Provide the total area of site, and an estimate of the total area to be disturbed (include any off-site borrow and/or fill areas) (Part IV.C.2.c)

6. Provide estimated run-off coefficients for pre-construction/post-construction conditions (Part IV.C.2.d)

7. Provide existing data on soils and quality of site discharges (Part IV.C.2.d)

8. Identify the name of nearest receiving waters and the a real extent and description of any wetlands that will be disturbed or receive discharges from disturbed areas of the project. (Part IV.C.4)

9. Describe spill prevention and control plan (Part IV.D.8.c)

10. Describe good housekeeping practices to prevent litter, construction debris, and construction chemicals from leaving the site (Part IV.D.3)

11. This project has a 30' natural area along the street frontage. This area is a no disturbance area. Document areas where existing vegetation will be preserved. (Part IV.D.4.a)

12. Add in a general note the following information, "Report oil or hazardous materials releases in excess of reportable quantities, or that may endanger human health or the environment, within 24 hours to ADEQ: (602) 771-4466 FAX (602) 771-4505." (Part VII.L.5.a)

13. Each operator is responsible for submitting a completed NOI to ADEQ and to the City of Tucson. The operator responsible for day to day activities (the contractor) and the operator with control over plans and specifications (owner/engineer) is required to submit an NOI to the state and a copy to the City of Tucson. Submit two NOIs filled out and signed by the appropriate parties. (Part IV.F)