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Permit Number: T09BU01270
Parcel: 133110010

Review Status: Completed

Review Details: GRADING

Permit Number - T09BU01270
Review Name: GRADING
Review Status: Completed
Review Date Reviewer's Name Type of Review Description Status Comments
09/01/2009 STEVE SHIELDS ZONING REVIEW Denied DSD TRANSMITTAL

FROM: Steve Shields
Lead Planner

PROJECT: Morris K. Udall Park - Sports Fields Improvement Project
T09BU01270
Grading Plan (1st Review)

TRANSMITTAL DATE: September 1, 2009

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.

If you have any questions about this transmittal, please contact me at Steve.Shields@tucsonaz.gov or (520) 837-4956

C:\planning\grading\t09bu01270

RESUBMITTAL OF THE FOLLOWING IS REQUIRED: Approved site plans and additional requested documents
09/10/2009 JASON GREEN ENGINEERING REVIEW Denied DATE: September 10, 2009
SUBJECT: 7290 E Tanque Verde Rd Site and Grading Plan- Engineering Review
TO: McGann & Associates Attn: Don McGann
LOCATION: T14S R15E Sec05 Ward 2
REVIEWERS: Jason Green, CFM
ACTIVITY: T09CM02267 (Site Plan), T09BU01270 (Grading Plan)


SUMMARY: Engineering Division of Planning and Development Services Department has received and reviewed the site plan (T09CM02267), Grading Plan (T09BU01270), Drainage Report (GLHN Architects & Engineers, Inc., 17JUL09), Geotechnical Engineering Report (Terracon, 30OCT09) and Stormwater Pollution Prevention Plan (GLHN Architects & Engineers, Inc., 15JUL09) for the above referenced property. Engineering Division does not recommend approval of the plan sets at this time. The following items need to be addressed:


DRAINAGE STATEMENT COMMENTS:

1) DS Sec.10-02.2.3.1.2: Revise the Introduction paragraph of the Drainage Report to verify the acreage of the proposed project site. The plan sheets, Drainage Report and SWPPP must match in size for the proposed disturbance area. The Drainage Report calls out 11.23 acres (base bid plus alternate bid), the SWPPP calls out 11.5 acres (base bid plus alternate bid) and Sheet G-2 of the plan set call out 10.15 acres (base bid plus alternate bid). All items should agree in the proposed disturbed area for base bid and then base bid plus alternate bid.

2) DS Sec.10-02.2.3.1.4.C: Revise the Drainage Report, drainage exhibits, and the plan sheets to provide the existing floodplain limits for Udall Park Wash adjacent to the site. Unless entirely contained within the constructed channel all 100-year floodplain limits with flows greater than 100 cfs shall be clearly shown and labeled and shall also include spot water surface elevations. Per the Drainage Report and the TSMS Node Udall Park Wash has a 100 year flood peak of 1,168 cfs, revise.


SITE PLAN COMMENTS:

3) DS Sec.2-02.2.1.A.8: Revise the site plan to label the minimum 24-foot PAAL dimension in plan view for all PAAL access points and PAALs, including the circular drive per DS Sec.3-05.2.1.C.

4) DS Sec.2-02.2.1.A.8: Revise the site plan to label and dimension the required curb radii at the proposed PAAL entry point from the existing parking lot. All PAAL intersections require 5-foot radii unless used for fire access which would require 18-foot radii.

5) DS Sec.2-02.2.1.A.8: Revise the plan sheets to provide a removable post barricade at the proposed 5-foot depressed curb opening to prevent encroachment into the water harvesting basin.

6) DS Sec.2-02.2.1.A.8: Revise the plan sheets to label the Standard Detail for Public Improvement for the required vertical curb terminals for the proposed 9-foot depressed curb opening.

7) DS Sec.2-02.2.1.A.8: Provide the dimension for the distance between the proposed post barricades for the 75-foot depressed curb opening.

8) DS Sec.2-02.2.1.A.8: Revise the plan sheets to correctly label Detail 7 Sheet C-6 for the proposed vertical curb at the circular PAAL. Currently it is labeled as Sheet C-5.

9) DS Sec.2-02.2.1.A.8: Verify that the Landscape Plan and Hardscape Plan sheets match the proposed Civil Sheets for the improvements proposed. Specifically the circular PAAL improvements and all proposed water harvesting areas. Provide the rock rip rap splash pad at the end of the drive and the proposed rock rip rap drainage way within the landscape area in the middle of the circular PAAL.

10) DS Sec.2-02.2.1.A.12: Refer to comments from Ron Brown, RA Structural Plans Examiner for all ADA and handicap requirements that apply to this project.

11) DS Sec2-02.2.1.A.16: Revise Sheet C-4 to provide the overall length of the proposed grouted rip rap splash pad at the end of the circular PAAL. Revise the call out to provide specifications for the proposed filter fabric.

12) DS Sec2-02.2.1.A.16: Revise the plan sheets to provide all dimensions for the proposed water harvesting areas. The widths of the basins are shown however the lengths must also be shown for construction purposes. All dimensions and radii for construction purposes must be labeled on the construction document.

13) DS Sec2-02.2.1.A.16: Clarify the discrepancies between Details 10 and 16 on Sheet C-6 and per the Drainage Report. Provide all dimensions for the proposed basin with the correct water surface elevation, top and bottom of basin, etc. Per Detail 16 the depth of water in the basin is 1.95 feet however the basin depth is only proposed at 6-inches, clarify or provide ponding limits in plan view for all excess water that will over top the basin.

14) DS Sec2-02.2.1.A.16: Revise Detail 15 and /or plan view for all proposed basins or water harvesting areas. This detail is generic and applies to all basins even though each basin differs in length, width, geometric shape, and depth, clarify.

15) DS Sec2-02.2.1.A.16: Revise Detail 17 to provide the Standard Detail for Public Improvement for the proposed depressed curb. Also provide the length of the proposed splash pad and the elevation of the existing grade or the proposed slope to verify how the splash pad ties into the existing topography.

16) DS Sec2-02.2.1.A.16: Provide a note on the site plan that states "Water Harvesting Areas to be depressed a minimum of 6-inches." Refer to the "City of Tucson Water Harvesting Guidance Manual, Ordinance # 10210" for recommendation on how to construct and maintain the required water harvesting areas for onsite flow containment.

17) Be advised that further comments may be forth coming on resubmittal of the site plan.


GRADING PLAN COMMENTS:

18) DS Sec.11-01: Revise grading plan to provide a grading note specifying conformance with City of Tucson Development Standard 11-01.0 (excavation and grading requirements).

19) Provide a General Note stating that all fences or walls will require a separate permit for review and approval by all necessary Planning and Development Services Departments.

20) Revise the grading plan and all associated cross sections to label and dimension the location of the required temporary fencing to prevent disturbance or encroachment into the undisturbed areas of the site. Revise General Note #5 on Sheet D-1 to include verbiage that states; "The portion of the site to be left ungraded are to remain undisturbed and are not to be used for stockpiling of materials or excess fill, construction vehicle access, storage of vehicles during construction, or similar uses. Temporary fencing will be installed on site at the proposed grading limits in order to prevent encroachment into these natural areas."

21) DS Sec.10-02.14.3.2: Provide a note on the grading plan to state that, "(a) the owner or owners shall be solely responsible for operation, maintenance, and liability for all detention/retention basins, drainage infrastructure, drainage channels and water harvesting areas; (b) that the owner or owners shall have an Arizona Registered Professional Civil Engineer prepare a certified inspection report for the drainage and detention/retention facilities at lease once every 12-months, and that these regular inspection reports will be on file with the owner for review by City staff, upon written request; (c) that City staff may periodically inspect the drainage and retention/detention facilities to verify that scheduled and unscheduled maintenance activities are being performed adequately; and (d) that the owner or owners agree to reimburse the City for any and all costs associated with the maintaining of the detention/retention basins and drainage structures should the City find the owner or owners deficient in their obligation to adequately operate and maintain their facilities."

22) Provide a general note on the grading plan to state the following: "Call for a Pre-construction meeting prior to start of earthwork. To schedule a DSD Pre-construction meeting, SWPPP inspection or general Engineering Inspections, call IVR (740-6970), or schedule with a Customer Service Representative at the Development Services Department, or contact DSD Engineering at 791-5550 extension 2101, or schedule inspections online at:
http://www.ci.tucson.az.us/dsd/Online_Services/Online_Permits/online_permits.html

23) Please ensure that the grading plan is consistent with the site plan and Drainage Report. Grading standards may be accessed at: http://www.ci.tucson.az.us/dsd/DevStandsTOC.pdf.


GEOTECHNICAL COMMENTS:

24) The Geotechnical Report is accepted as submitted. All recommendations within the Geotechnical Report are applicable to this project and must be incorporated into the grading plan as required by the General Notes.


STORMWATER POLLUTION PREVENTION PLAN: The SWPPP does not meet the minimum requirements of the AzPDES Construction General Permit (CGP). Revise the SWPPP according to these comments:

25) Per City of Tucson Code Ordinance 10209, Chapter 26 Section 26-42.2: "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." The SWPPP report must be signed and sealed by the engineer of record or by a Registered Landscape Architect, revise.

26) Part III.A.3 and VIII.J.2: Ensure the SWPPP is signed by a person meeting the certification requirements of Permit Part VIII.J. The owner must sign the certification statement within Appendix B.

27) Part III.C.2.c: Verify the number of acres that will be disturbed. The proposed disturbed acreage differs on the grading plan sheet, Drainage Report and SWPPP, clarify.

28) Part III.C.2.d: Indicate the percentage of the site that is impervious before and after construction.

29) Part III.C.3.b: Show areas of soil disturbance and areas that will not be disturbed. Provide the delineation in plan view and verify that the proposed erosion riprap pad for the circular drive has temporary controls along the down stream end to prevent excess sediment from leaving the area of disturbance.

30) Part III.D.3: Include a copy of the completed NOI form that was submitted to ADEQ. The NOI found in Appendix C must be signed by Rob Just, Project Manager.


GENERAL COMMENTS:

Please provide a revised Drainage Report, site plan and grading plan and revised SWPPP that addresses the comments provided above. Include a comprehensive response letter addressing in detail responses to all of the above comments. Enclose "redlines" with the resubmittal package.

Further comments may be generated upon resubmittal of the Drainage Report, site plan and grading plan review.

For questions, or to schedule an appointment, I can be reached at 837-4929.



Jason Green, CFM
Senior Engineer Associate
Engineering Division
COT Development Services
09/16/2009 ANDREW CONNOR NPPO REVIEW Denied Ensure that all Engineering comments and concerns are addressed prior to landscape approval.

Final Status

Task End Date Reviewer's Name Type of Review Description
09/23/2009 CPIERCE1 OUT TO CUSTOMER Completed
09/23/2009 SUE REEVES REJECT SHELF Completed