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Permit Review Detail

Permit Number: DP12-0212
Parcel: 99999999A

Review Status: Completed

Review Details: GRADING

Permit Number - DP12-0212
Review Name: GRADING
Review Status: Completed
Review Date Reviewer's Name Type of Review Description Status Comments
12/03/2012 ANDREW CONNOR NPPO REVIEW Denied 1. Provide previously approved landscape and NPP plans for reference.

2. Ensure that all Engineering comments and concerns are addressed

3. Additional comments may apply
12/06/2012 PAUL MACHADO ENGINEERING REVIEW Denied To: Heather Hirschberg, P.E. DATE: December 17, 2012
7740 N. 16th Street, Ste. 300
Phoenix, Arizona, 85020
SUBJECT: Houghton Town Center, 9044 S. Houghton Road
Grading Plan DP12-0212 (First Review)
T15S, R15E, Section 35

RESUBMITTAL REQUIRED: Grading Plan, Drainage Statement and SWPPP.

The Grading Plan (GP), Drainage Statement (DS) and Stormwater Pollution Prevention Plan cannot be approved as submitted. Please address the following review comments prior to the next submittal.

Grading Plan:
1. Please include a response letter to the comments along with the corrected copies of the GP.
2. Provide a compact disk with the Grading Plan, Drainage Statement and the SWPPP recorded on it with the re-submittal.
3. Add note: "Depress all landscaped areas a maximum of 6"for water harvesting"
4. Add the following notes to the grading plan notes:
" "The approved Grading Plan is the only acceptable construction plan onsite. The Contractor may not use any other plans, such as the approved Tentative Plat and/or Development Plan, for construction purposes. The Contractor may ask the Development Services Inspector to consult with the other approved plans for additional information or details that might not be included on the approved grading plan but needed for completion of work."

" "The contractor shall remove the fine materials from the bottom of the detention/retention basin and scarify the basin bottom once the construction activities are completed in order to remove any fine material build up caused by construction and to restore soil percolation."

" "Any engineering work to be done below grade (i.e. toe-downs, cutoff walls, drainage pipes/structures, etc.) shall not be back filled until Development Services Inspector inspects the work and approves it."

5. List the Development Plan number (DP12-0212) on each sheet.
6. Show Phase numbers and delineate. Each phase must function independent of future phases.
7. Are the access roads from Houghton Rd. and Old Vail Rd. to Wal-Mart being designed now and/or when will the roads be completed. How is access provided to the site? Include a set of improvement plans with the re-submittal.
8. Show cross sections with transverse and longitudinal slopes of the development.
9. Call out surface paving material and thickness. Include the geotechnical report with the re-submittal.
10. Show details of all surface materials.
11. A permit or a private improvement agreement might be necessary for any work performed within the Right-of-way. Contact Permits and Codes at (520) 791-5100 for permit information. See comment no. 7.
12. Delineate 100-year W.S.E.L., Floodplain and erosion hazard setback.
13. Call out the names of all washes.
14. Show the 100-year flood peak discharge.
15. Call out peak discharges entering and exiting the site.
17 It is suggested that while my comments are being addressed or have been addressed, that you make an appointment/call/email me to discuss any of my comments that you may have questions on. If I missed any information or made a mistake, we can go over those items at the meeting, over the phone or through email. Do not hesitate to call if there are any questions or disagreements on my comments as you address them.

Drainage Statement:
1. Please include a response letter to the comments along with the corrected copies of the DS.
2. The Drainage Report submitted is an excerpt from the original Development Package submitted that was approved in 2011. A current DS for this project is required.
3. A Drainage Statement is a brief description of drainage conditions applicable for a site which are not affected by 100 year flows of 100 cfs, of more……per S.M.D.D.F.M., chap. II, 2.1.2. The DS must be submitted along with the site plan and accepted with the approval of the grading plan.
4. The content and format of the Drainage Statement should follow S.M.D.D.F.M., chap. II, 2.2.
5. Show the project address or administration address on the cover sheet of the DS.
6. The Drainage Report submitted is an excerpt from the original Development Package submitted that was approved in 2011. A current DS for this project is required.

Storm Water Pollution Prevention Plan:

NOTE:
1. A complete SWPPP submittal using ADEQ General Permit, including but not limited to: the NOI, "developing, filing the SWPPP" (sheet C3.1) and the text is required for a grading permit approval.
2. The following comments are from the ADEQ checklist and are used to review the SWPPP. All the comments may not applicable to the project.

OPERATOR RESPONSIBILITIES:
1. Identify who is responsible for on-site SWPPP implementation. Part III.A.2.d.
2. Indicate or show the areas of the project where the operator has control over project specifications, including the ability to make changes in the specifications. Part III.B.2.a.
3. Provide name(s) of the person(s) who have day-to-day control over construction plans and specifications. Part III.B.2.a.
4. Identity who is responsible for installing, implementing, and maintaining the BMP's in the plan. Part III.B.2.b.
5. Identify or show the areas of the project where each operator has control over day-to-day activities. Part III.B.2.b.
6. Provide name(s) of the person(s) having control over project specifications, including the ability to make changes in the specifications. Part III.B.2.b.
7. Provide the name and contact information for all operators and indicate the areas of the project each operator controls. Part III.C.1.
PROJECT DESCRIPTION:
8. Identify all potential sources of pollutants/pollution from construction activities that could possibly contact stormwater. Part III.A.2.a.
9. Describe the construction activity (what is being built, what is being disturbed, how long it is expected to take, etc.). Part III.C.2.
10. Describe the project and what it will be used for when completed (after Notice of Termination (NOT) is filed). Part III.C.2.a.
11. Describe the planned phasing sequencing of land disturbance activities. The amount of open/disturbed dirt left open at one time should be minimized where possible. Part III.C.2.b.
12. Indicate the total acres of the site and the number of acres that will be disturbed (include off-site borrow and fill area, staging and equipment storage areas). Part III.C.2.c.
13. Indicate the percentage of the site that is impervious (e.g., pave, roofed , etc.) before and after construction. Part III.C.2.d.
14. Describe the soil (e.g., sand, clay, etc.) at the site and its potential for erosion (Suggestion: reference the soil survey covering the project site prepared by the U.S. Department of Agriculture, Natural Resource Conservation Service for soil information http://soils.usda.gov/survey/). Part III.C.2.e.
15. Include a map showing the project location (e.g., U.S.G.S. quadrangle, portion of a city or county map). The map must also show any washes of other waterbodies within 1 mile of the site. Part III.C.2.f.
16. Identity the nearest receiving water(s). A receiving water is a natural watercourse into which stormwater would flow in a storm event and includes dry washes, streams, tributaries, and other water of the U.S. (such as designated canals). Man made structures such as retention basins, storm sewer systems, or city storm drains are not receiving waters. Part III.C.4.
17. Identify the areal extent where soils may be disturbed and show any wetlands near the site that could receive dirt or run-off from the construction activity. Part III.C.4.
18. Describe any pollutant sources from areas other than dirt moving (e.g., dedicated concrete and asphalt plants, fueling operations, material or waste storage etc. that are associated with the construction project). Identify where these sources are or will occur on the site. Part III.C.6.
SITE MAP:
19. Include site map completed to scale. Part III.C.3.
20. Use arrows to show the direction(s) where stormwater will flow for all areas within the project limits (This is for the period during construction, not final contours. Flow direction may change as project grading progresses; when this occurs, maps are to be updated.). Part III.C.3.a.
21. Show areas of soil disturbance and areas that will not be disturbed. Part III.C.3.b.
22. Show all structural BMP's identified in the SWPPP. Part III.C.3.c.
23. Show locations where stabilization BMP's are expected to occur. Part III.C.3.d.
24. Show locations of on-site material storage, waste storage or receptacles, borrow areas, equipment storage or other supporting activities. Part III.C.3.e.
25. Identify any water bodies (including dry washes and wetlands) on the site. If there are no water bodies, indicate this on the map. Part III.C.3.f.
26. Show locations where stormwater discharges to surface water (including wetlands, ephemeral water and dry washes) and to municipal storm sewer systems (MS4's) (use an "X" to indicate discharge location(s)). Where surface waters and/or MS4's receiving stormwater do not fit on the map, use arrows to show the direction and indicate the approximate distance to the surface water and/or MS4's. Part III.C.3.g.
27. Show the location and registration number of all onsite dry-wells and dry-wells located on adjacent properties that could receive stormwater for the site (if none exist, indicate that). Part III.C.3.h.
28. Identify any areas of the site where final stabilization has been achieved. Part III.C.3.i.
29. Specify existing vegetated areas (trees, brush, ect.) and boundaries of environmentally sensitive areas and buffer zones that are to be preserved. Part III.C.3.j.
BEST MANAGEMENT PRACTICES (BMPs):
30. Identify BMP's selected for the site and describe how each will reduce pollutants in stormwater. Part III.A.2.b, Part III.C.5.a and Part IV.A.1.
31. Describe how BMP's will be added, modified, or replaced for each phase or sequence of construction activities. Also identify which operator is responsible for the implementation of BMP's. Part III.C.5.b.
32. Provide drawings and/or specifications of structural BMP's that include design or installation details. Part III.C.5.c.
33. Describe where natural/existing vegetation will be preserved. Locations of trees and boundaries of environmentally sensitive areas and buffer zones to be preserved are also to be on the SWPPP site map. Part IV.B.1.a.
34. If using seed to revegetate, provide the mixture and application specifications. (These may be obtained from product provider. Part IV.B.1.b.
35. If culverts are present on-site, describe measures that will be used to minimize erosion at and around the culvert(s). Part IV.B.1.c.
36. Describe how off site stormwater that may run onto the project site will be diverted or otherwise managed with on-site engineering controls, containment, or BMP's. Part IV.B.1.d.
37. Identify how records of when construction activities temporarily or permanently cease on all portion of the site will be kept. Part IV.B.3.a.
38. Identify how records of when construction activities temporarily or permanently on all portions of the site will be kept. Part IV.B.3.b.
39. Identify how records of when stabilization measures are initiated and completed and reason(s) for delay will be kept. Part IV.B.3.c.
40. Provide sizing criteria and show calculations for sediment basin(s) and indicate whether basin(s) will be temporary or permanent (i.e., post-construction). Part IV.C.3.
41. Provide reason(s) or rationale why a sediment basin was determined to not be possible at the project site (If applicable). Part IV.C.3.
42. Describe the location(s) and how materials will be stored or staged both on-site and off-site; including overburden, soil stockpiles, and borrow areas. Part IV.D.3.
43. Indentify and provide the location(s) of all non-stormwater discharges allowed by this permit expected to be associated with the project and describe BMP's used to minimize discharge of pollutants. Part IV.E.2.
44. Describe measures for preventing and responding to spills, including spill notification requirements. Part VI.B.1.
POST-CONSTRUCTION CONTROLS:
45. Identify post-construction stormwater BMP's (e.g., porous pavement, open space preservation, etc.) that will be installed as part of this project. NOTE: Temporary BMP's (e.g., straw waddles, etc.) must be removed prior to submitting your Notice of Termination (NOT). Part IV.F.1.
INSPECTIONS:
46. Identify the minimum inspection frequency as well as goals for more frequent inspections. Part IV.H.1.
47. Provide name, title and qualifications of person(s) who will be conducting inspections. Part IV.H.1.
48. Describe how inspection of the following items will be conducted (Part IV.H.3.a.):
" Good housekeeping BMP's (e.g., solid waste storage and pick-up; chemical storage, use, and cleanup; fueling, etc.).
" Erosion and sediment control BMP's.
" Construction site entrance and egress locations(s) including looking for evidence of sediment, debris, and other pollutants tacked offsite onto paved surfaces (e.g., streets, sidewalks, parking lots, etc.).
" Municipal storm sewer systems, including streets, inlets, etc. which can be observed at ground level. Should focus on discharge (and potential for discharge) and accumulation of sediment, trash, and other pollutants.
" Observation and assessment of accessible discharge locations to determine of erosion control BMP's are adequate and effective in reducing discharge of sediments.
" For discharge points that are inaccessible, inspection of downstream locations should occur, where practicable.
49. Describe how inspections will be documented (NOTE: inspection reports must be added to the SWPPP in chronological order, Permit Part IV.H.4). Part IV.H.3.b.
50. Describe procedures for repairing, replacing, and/or supplementing nonfunctional and underperforming BMP's (see Permit Part IV.I.2). Part IV.H.3.c.
INSPECTION REPORT:
51. Provide a copy of the inspection report form to be used to document site inspections. At a minimum, the report form must include the information (NOTE: an example form is included with the review comments). Part IV.H.4.
MONITORING PLAN:
52. If discharging to impaired water, identify sources of pollutants of concern listed on the 303(d) list that may be potentially discharged through construction project or site is being operated in compliance with the SWPPP and permit. Part III.C.6.
53. For projects located within ¼- mile of unique or impaired water, your SWPPP must include a Monitoring Plan. Part V.B.1.
54. If the unique or impaired water is a lake, your monitoring plan (including monitoring locations) must be submitted to and approved by the department. Part V.D.3.
55. Chain-of-custody (COC) forms including: sampler's name, phone number, date and time of sample collection, sample identification, requested analysis, and project name or number. Part V.D.5.
ADMINISTRATIVE:
56. Ensure the SWPPP is signed be an arson meeting the certification requirements of Permit Part VIII.J. Part III.A.3, Part VIII.J.2.
57. Include a copy of AZPDES permit (AZG2008-001) with the SWPPP. Part III.D.1.
58. Include a copy of the completed NOI form that was submitted to ADEQ. Part III.D.2.
59. Include a copy of the authorization certificate received from ADEQ. Part III.D.3.
60. Identify any city or county which received a copy of the authorization certificate. Part III.D.4.
61. Include copies of the other agreements with any state, local or federal agencies that would affect the provisions of implementation of the SWPPP, if applicable (404 permits, local grading permits, etc.). Part III.C.5.
62. Describe structural practices to divert flows from exposed soils, store flows or otherwise limit runoff and the discharge of pollutants from exposed areas of the site to the degree attainable. Placement of structural practices in floodplains shall be avoided to the degree attainable. A combination of sediment and erosion control measures is required to achieve maximum pollutant removal.
63. Provide adequate sediment basins. (Part IV.D.5.a.).
" For common drainage locations that serve an area with 10 or more acres disturbed at one time, a temporary (or permanent) sediment basin that provides storage for a calculated volume of runoff from a 2 year, 24 hour storm from each disturbed acre drained, must be provided where attainable until final stabilization of the site. Where no calculation has been performed, a temporary (or permanent) sediment basin providing 3,600 cubic feet of storage per acre drained, shall be provided where attainable until final stabilization of the site. When computing the number of acres draining into a common location it is not necessary to include flows from offsite areas and flows from onsite areas that are either undisturbed or have undergone final stabilization where such flows are diverted around both the disturbed area and the sediment basin. In determining whether installing a sediment basin is attainable, the operator may consider factors such as site soils, slope, available area on site, etc. If "non-attainability" is claimed, then an explanation of that non-attainability shall be included in the SWPPP. In any event, the operator must consider public safety, especially as it relates to children, as a design factor for the sediment basin and alternative sediment controls must be used where site limitations preclude a safe design.
" For drainage locations that serve 10 or more disturbed acres at one time and where a sediment basin meeting the provision of Part IV D.5.a.1 is not attainable, smaller sediment basins and/or sediment traps shall be used. Where a sediment basin is not attainable, silt fences, vegetative buffer strips, or alternatives which achieve effective sediment control are required for all down slope boundaries of the construction area (and for those side slope boundaries deemed appropriate as dictated by individual site conditions).
" For drainage locations serving less than 10 acres, smaller sediment basins and/or sediment traps shall be used. Silt fences, vegetative buffer strips, or equivalent sediment controls are required for all down slope boundaries (and for those side slope boundaries deemed appropriate as dictated by individual site conditions) of the construction area unless a sediment basin providing storage for a calculated volume of runoff from a 2 year, 24 hour storm or 3,600 cubic feet of storage per acre drained is provided.
64. Place velocity dissipation devices at discharge locations and along the length of any outfall channel to provide a non-erosive flow velocity from the structure to a water course so that the natural physical and biological characteristics and functions are maintained and protected (e.g. no significant changes in the hydrological regime of the receiving water). (Part IV.D.5.b).
Note: The velocity dissipation devices must be in place during the construction phases. Installation scheduling must be included and should be as early as practicable.
65. Describe post-construction storm water management measures that will be installed during the construction process to control pollutants in stormwater discharges after construction operations have been completed. Structural measures shall be placed on upland soils to the degree attainable. Such measures must be designed and installed consistent with applicable local or state stormwater management requirements. (Part IV.D.6).
Inspections

66. Add a note stating that the operator(s) shall report to ADEQ any noncompliance (including spills) which may endanger human health or the environment. The operator shall orally notify the office listed below within 24 hours:

Arizona Department of Environmental Quality
1110 W. Washington, 5th floor (5515B-1)
Phoenix, AZ 85007
Office: 602-771-4466; Fax 602-771-4505

Signature Requirements
67. Include a certification and signature for each operator in accordance with Part VII.K. (Part IV.J.1).
68. All NOIs must be signed and certified as follows:
a) For a corporation: By a responsible corporate officer. For the purpose of this Part, a responsible corporate officer means:
i) A president, secretary, treasurer, or vice-president of the corporation in charge of a principal business function, or any other person who performs similar policy or decision-making functions for the corporation; or
ii) The manager of one or more manufacturing, production, or operating facilities, provided, the manager is authorized to make management decisions which govern the operation of the regulated facility including having the explicit or implicit duty of making major capital investment recommendations, and initiating and directing other comprehensive measures to assure long term environmental compliance with environmental laws and regulations; the manager can ensure that the necessary systems are established or actions taken to gather complete and accurate information for permit application requirements; and where authority to sign documents has been assigned or delegated to the manager in accordance with corporate procedures.
b) For a partnership or sole proprietorship: By a general partner or the proprietor, respectively; or
c) For a municipality, state, federal, or other public agency: By either a principal executive officer or ranking elected official. For purposes of this section, a principal executive officer of a Federal agency is the chief executive officer having responsibility for the overall operations of a principal geographic unit of the agency (e.g. Regional Administrators of EPA).
69. Reports and Other Information: All NOTs, SWPPPs, reports, certifications, or information required by this general permit and other information requested by the ADEQ or authorized representative of the ADEQ shall be signed by a person described in Part VI.K.1 or by a duly authorized representative of that person. A person is a duly authorized representative only if:
d) The authorization is made in writing by a person described in Part VII.K.1;
e) The authorization specifies either an individual or a position having responsibility for the overall operation of the regulated facility or activity, such as the position of manager, operator, superintendent, or position of equivalent responsibility or an individual or position having overall responsibility for environmental matters for the operator. (A "duly authorized representative" may be either a named individual or any individual occupying a named position.); and
f) The signed and dated written authorization is included in the SWPPP and submitted to the ADEQ upon request.
70. Certification. Any person signing a documents under the terms of this permit shall make the following certification: I certify under penalty of law, that this document and all attachments were prepared under my direction or supervision in accordance with a system designed to assure that qualified personnel properly gathered and evaluated the information submitted. Based on my inquiry of the person or persons who manage the system, or those persons directly responsible for gathering information, the information submitted is, to the best of my knowledge and belief, true, accurate, and complete. I am aware that there are significant penalties for submitting false information, including the possibility of fine and imprisonment for knowing violations.

If you have any questions, I can be reached at 837-4932 or Paul.Machado@tucsonaz.gov
Paul P. Machado
Senior Engineering Associate
City of Tucson - Planning and Development Services Department
201 N. Stone Avenue
P.O. Box 27210
Tucson, Arizona 85726-7210
(520) 837-4932 office
(520) 879-8010 fax
C:/9044 S. Houghton Rd_GRAD
12/06/2012 MICHAEL ST. PAUL ZONING REVIEW Denied December 6, 2012

Development Services Department
Zoning Review Section

Michael St.Paul
Planning Technician

T12DP-0212 Grading Plans for ?

Address:


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. In addition, we could not verify that the grading plan was in compliance with the approved development plan for Zoning Review. Please submit one copy of the approved and stamped Development Plan, Landscape, and NPPO plans with the next grading plan submittal.

3. Provide the Development Package numbers for this grading plan and the related Development Package.

4. Zoning will re-review the grading plan on the next submittal to ensure compliance with the approved development plan. Additional comments may be forthcoming.

Final Status

Task End Date Reviewer's Name Type of Review Description
01/09/2013 CPIERCE1 REJECT SHELF Completed