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Permit Number: T09BU00152
Parcel: 14042023D

Review Status: Completed

Review Details: GRADING

Permit Number - T09BU00152
Review Name: GRADING
Review Status: Completed
Review Date Reviewer's Name Type of Review Description Status Comments
02/03/2009 STEVE SHIELDS ZONING REVIEW Denied DSD TRANSMITTAL

FROM: Steve Shields
Lead Planner

PROJECT: Solon Solar Test Facility
T09BU00152
Grading Plan (1st Review)

TRANSMITTAL DATE: February 3, 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\t09bu00152

RESUBMITTAL OF THE FOLLOWING IS REQUIRED: Approved site plans and additional requested documents
02/05/2009 ANDREW CONNOR NPPO REVIEW Denied Submit a copy of the approved site plan including landscape and native plant preservation plans for reference. The grading application will be reviewed for compliance when the approved documents are included in the submittal.
02/10/2009 ELIZABETH EBERBACH ENGINEERING REVIEW Denied TO: Warren Thompson, PE, STANTEC, Matthew Abate, PE
SUBJECT: SOLON Solar Testing Facility Site/Grading Plan Engineering Review
ADDRESSS: 6950 S Country Club Rd, north of Corona Road
LOCATION: T15S, R14E, Sections 17
REVIEWER: Elizabeth Leibold, PE
ACTIVITY NUMBERS: T09BU00152, T09CM00244

SUMMARY: DSD Engineering Division has reviewed the plan set and hydrology statement submittal for Site/Grading Plan review, and does not recommend approval until the following comments are addressed.

SITE/GRADING COMMENTS:
1) DS Sec.11-01.4.1.C: Explain in response letter or clarify on plans project requirements listed on page 4 of hydrology statement. Specifically address the following comments:
a) Label ramp material for detail 1 /2 on sheet 3.
b) On sheet 20, as well as, page 1 of structural calculation pages, and page 4 of the hydrology statement, the notes state that all electrical equipment is to be placed above WSEL. (Electrical components & transformer 2-ft, and other solar equipment 1-ft above 100-yr WSEL.) Regarding the WSEL, address the following comments:
i) Sheet 18 shows cassion embedment sections and 22 only shows underground conduit detail. Provide above WSEL details on sheet 18 showing basin bottom and WSEL elevations to clarify restrictions. On sheet 18 and on grading plan sheets, provide clarification of WSEL's for cross sections and further details for clarification of the locations and foundations for the piles/drilled shafts, cassion structures on the plans.
ii) Notes on sheet 20 refer to underground electrical conduit; provide notation for conduit specifications for above WSEL.
iii) Revise transformer pad detail on sheet 22, to show WSEL and 2-ft clearance to lowest structure elevation of the transformer.
iv) On sheet 3, show cassion / piles on section detail 1/2.
c) Clarify the following spillway comments:
i) Clarify extents of existing fence along Country Club is to be removed.
ii) Provide clarification regarding existing ground elevations and proposed fill / compaction for detail 3/3 sheet 4.
d) Tucson Code Sec. 26-8(a)(2)b: Provide sample basin maintenance log sheet(s) that includes: maintenance of outlet pipe, inlet pipe, slope stabilization, sedimentation, erosion protection, and discussion regarding how the panels within basin will be maintained in such a way as to minimize or eliminate contaminants within basin area.
e) Show and label existing security fence and label to be removed on sheet 3 detail 1 /2.
f) Dimension top of berm for new security fence near surge tank parcel on sheet 6.
2) There is an existing channel and pipe system to the west of the basin, north of Corona Road south of existing PAAL, just west of south entrance from Corona Road. It appears to drain some overflow from the basin, this pipe appears clogged and needs maintenance. Show within grading limits if part of scope of work.
3) Grading plan shall show delineation for disturbance area / limits of grading; provide disturbance area (square feet) - delineate grading limits on a planview.
4) Provide SWPPP, with a copy of General Permit, showing on planview locations of the proposed stabilization practices / interim erosion control methods. The SWPP shall clearly delineate disturbance area / limits of grading.
5) A Floodplain Use Permit application will be needed for next submittal.
6) DS Sec.11-01.16: Add note to sheet 3, that completion documentation including letter confirming basin function, and as-built drawings (sheets 3-6) are required prior to final grading approval.

If you have any questions, call me at 837-4934.

Elizabeth Leibold, PE, CPM, CFM
Civil Engineer
Engineering Division
Development Services Department
City of Tucson

Final Status

Task End Date Reviewer's Name Type of Review Description
02/19/2009 CPIERCE1 OUT TO CUSTOMER Completed
02/19/2009 SUE REEVES REJECT SHELF Completed