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Plan Review Detail

Plan Number: TP-PRE-0726-00157
Parcel: 14108002B

Address:
6701 S WILMOT RD

Review Status: Approved

Review Details: PRE-APPLICATION CONFERENCE REVIEW v.1

Plan Number - TP-PRE-0726-00157
Review Name: PRE-APPLICATION CONFERENCE REVIEW v.1
Review Status: Approved
Review Date Reviewer's Name Type of Review Description Status Comments
Building Official * REVIEW COMPLETED PROJECT: PORT OF TUCSON STORAGE TANKS
ACTIVITY NO. TP-PRE-0726-00157
ADDRESS: 6701 S WILMOT RD

If you have any questions about these comments, I can be reached at Matthew.Carlton@tucsonaz.gov

Please note: this is a cursory review based on what was submitted to the Pre-Application.

COMMENTS:
1. City of Tucson adopted the 2024 IBC on January 1, 2026 and went into effect on Januray 1, 2026 – please ensure all plans adhere to those standards.
2. City of Tucson adopted the 2024 IECC on January 1, 2026 and went into effect July, 1, 2026 – please ensure that all plans adhere to those standards.
3. Ensure your design meets any and all fire rating/fire separation distances.
4. There will be Outdoor Lighting Code Review on this project, please plan and ensure your engineer submits those pages are part of your submittal. https://www.tucsonaz.gov/files/sharedassets/public/v/1/city-services/planning-development-services/documents/2012_outdoor_lighting_code_.pdf
5. Please ensure that all special inspections/deferred submittals (field reports, etc) are understood by the General Contractor who understands the timing of when they are to be approved. City of Tucson *will* withhold final C of O’s until they have been approved. They should be submitted in a timely manner that fits the sequencing of the actual construction process, i.e Post Tension Special Inspection reports should be submitted shortly after they are performed. The day before a C of O is to be sought will not give staff enough time to review these.
6. This would be considered an Occupancy Group H (High Hazard) specifically H-4.
7. If outside, the occupancy classification of a building may not be the principal issue. Instead, the IFC hazardous materials requirements govern the tank installation, including:
• secondary containment,
• separation distances,
• spill control,
• emergency planning,
• permitting.
8. It is recommended that you have a separate meeting with Building Safety on this matter. Once you’ve met with the fire HazMat team.
Fire New Construction * REVIEW COMPLETED -This will require further evaluation by our hazmat inspector. Please email both of us for further discussions.
john.vincent@tucsonaz.gov
tim.gard@tucsonaz.gov
ROW Engineering Review * REVIEW COMPLETED DTM Review Comments -
Based on provided information DTM will require that the driveway entry access will required to be brought to current City Standards.
More detailed review will be provided at the time of Development package submission and submission of clear project impacts.
Work with in City Right of Way will submission of Right of Way Development permit
Site Engineering * REVIEW COMPLETED Permit Activity Number: TP-PRE-0726-00157
Project: Port of Tucson, Storage Tanks Addition
Location: 6701 S WILMOT RD (14108002B)
Review Date: 8/5/2026
Reviewer: Dylan Molina – Engineering Associate – Site Engineering

*This plan has been reviewed for compliance with applicable development criteria in the City of Tucson Unified Development Code (UDC) Administrative Manual (AM) Section 2-6 and Technical Standards Manual (TSM) Section for waste management, Pedestrian Access, Hydrology -Retention/Detention Requirements, and all site standard code.*
City of Tucson Code: https://www.tucsonaz.gov/Departments/Planning-Development-Services/Codes
Drainage Manual Link: https://www.tucsonaz.gov/files/sharedassets/public/v/1/pdsd/documents/engineering-code/cot-drainage-manual-searchable.pdf
Design standards for Stormwater Detention and Retention Link:
https://www.tucsonaz.gov/files/sharedassets/public/v/1/pdsd/documents/engineering-code/updated-retention-detention-manual.pdf

Site Engineering Review Comments:

To be completed in conjunction with new proposed project:
1. Several existing permits must be withdrawn: TC-COM-0223-00597, TC-COM-0124-00180, TD-DEV-0124-00001, TC-DMO-0623-00134. Please contact Sonya Bermudez, reference this Pre-App (TP-PRE-0726-00157) and the above listed permits to assist with withdrawing permits.
2. A Development Package (DP) will need to be submitted as well as any additional permits for demolition, commercial building, work within the ROW, and (if applicable) floodplain use permit. Any supplemental documents from ADEQ, Environmental Services, please submit to the Development Package application.

Submission Requirements with Development Package:
3. A complete Drainage Report shall be submitted with the application for this development package. The report must demonstrate compliance with all applicable City of Tucson stormwater management requirements, including first-flush retention and balanced basin detention. The following references from the Standards Manual for Drainage Design and Floodplain Management (COT Drainage Manual) and the Design Standards for Stormwater Detention and Retention Manual (DSSDR) shall govern report preparation:
a. Part of the Drainage Report would require study of the Unnamed Wash, and must identify the following: flood limits, peak discharges, flow velocities.
b. Report Formatting & Content: COT Drainage Manual §2.3; DSSDR Chapter 10
c. Flood Peak Estimation: COT Drainage Manual Chapter 4
d. Erosion Hazard Assessment: COT Drainage Manual Chapters 6 & 7
e. Drainage Facility Design Standards: COT Drainage Manual Chapters 9–11
f. First-Flush Retention & Detention Guidelines/Triggers: DSSDR Chapters 2, 3, & 4
4. A Stormwater Pollution Prevention Plan (SWPPP) is required for any construction activity disturbing one (1) or more acres of land, in accordance with the AZPDES Construction General Permit (CGP No. AZG2025-001) issued by the Arizona Department of Environmental Quality (ADEQ). The SWPPP must be site-specific and prepared prior to submitting a Notice of Intent (NOI) via ADEQ's myDEQ portal. A Dust Control Permit issued by the Pima County Department of Environmental Quality (PDEQ) is also required prior to ground disturbance of one (1) or more acres. Contact PDEQ at (520) 724-7400 for permit requirements.
5. As the proposed development falls under commercial standards, a site-specific Geotechnical Investigation Report prepared by a Registered Professional Engineer licensed in the State of Arizona is required [IBC 1803]. The report shall be submitted with the development package submission. The report shall, at minimum, address the following:
a. Soil Bearing Capacity & Site Classification – Including soil bearing capacity, site classification, expansive soil identification, and groundwater conditions, with all applicable foundation design recommendations for the proposed construction.
b. Grading & Earthwork – The report shall provide recommendations for site preparation, fill compaction standards, and the suitability of on-site materials for reuse as engineered fill.
c. Pavement Design – The report shall include pavement design recommendations for all proposed drive aisles, parking areas, and access improvements, including R-value or CBR testing results as applicable.
d. (If applicable) Retaining Walls – Where retaining walls are proposed, the report shall address lateral earth pressures, backfill requirements, and wall foundation recommendations.
6. Grading Plan - must be prepared, signed, and sealed by a licensed Arizona Civil Engineer and submitted in accordance with TSM 2-01.0.0. At a minimum, the grading plan submittal shall include:
a. Regulatory Compliance: Demonstrate compliance with TSM 2-01.0.0
b. Existing Conditions: Depict existing topography with 1- or 2-foot contour intervals; include benchmark and datum reference (NAVD 88).
c. Proposed Grading: Show proposed contours and/or spot elevations throughout the site, including finished grade elevations at all building corners, parking areas, and drainage structures.
d. Limits of Disturbance (LOD): Delineate the full extent of all proposed grading, including all drainage-related improvements.
e. Cut & Fill Quantities: Provide total area of disturbance (sq. ft.) and total cut and fill volumes (Earthwork Table).
f. Pedestrian Pathway Slopes: Label percent slopes on all pedestrian pathways for ADA compliance (max. 2% cross-slope; max. 5% running slope).
g. Basin & Wall Elevations: Identify top and bottom elevations for all retention/detention basins and retaining walls.
h. Engineer of Record: Include signed and sealed Engineer of Record stamp and signature block.

Details needed on Site Plan with Development Package submission:
7. Provide all relevant details from the Drainage Report on the Site Plan and/or Grading plan: 100-yr floodplain limits, erosion hazard set back.
8. (If applicable) provide the Waste Stream Calculations for the entire site. TSM 8-01.8.0
9. Pedestrian circulation is required to connect all buildings, dumpster areas, common areas, and the sidewalk on all the street frontages per TSM 7-01.3.3. Exterior accessible route in accordance with 2017 ICC A117.1 Sections 402 and 403, and TSM 7-01.4
10. (If applicable) Provide keynotes and call-outs identifying any/all downspouts and sidewalk scupper locations on the site plan sheets. Sidewalks shall be flood free for all storm discharges up to and including a ten-year frequency flood event, and drainage flowing across any pedestrian circulation path shall be conveyed under the path for up to and including the ten-year frequency flood events. [TSM 7-01.4.1.E and 7-01.4.3.E] This information is required to demonstrate compliance and to ensure coordination with building permit plan review.
11. Sight visibility triangles (SVT) will need to be shown at site access points for current ROW and future ROW are required. TSM 10-01.5.0
12. The placement of tanks will depend on the size of the tank and the type of product stored. Hazardous materials may not be placed in the 100-yr floodplain nor erosion hazard setback.
13. (If applicable) any development (including grading) within the 100-yr floodplain will require a floodplain use (FPU) permit.
14. (If applicable) fences and/or walls placed on the property and in 100-yr floodplain will require ventilation to allow flows to remain unobstructed. Provide a fence/wall detail in the submittal with the site plan. The required ventilation should be studied in the Drainage Report.

*** Please note: this review is for Pre-Application purposes. Please be aware that additional comments may be forthcoming during formal review process.

If you have any questions or concerns, please contact Dylan Molina. Dylan.Molina@tucsonaz.gov
Site Landscape * REVIEW COMPLETED PLANNING AND DEVELOPMENT SERVICES DEPARTMENT
REVIEWER: CHAD KELLER, PLA
SITE LANDSCAPE/NATIVE PLANT PRESERVATION SECTION

PROJECT: PLACING SOME STORAGE TANKS ON THE PROPERTY. IT WAS RECOMMENDED BY THE CITY MANAGER'S OFFICE TO SCHEDULE THIS MEETING
ACTIVITY NO: TP-PRE-0726-00157
ADDRESS: 6701 S WILMOT RD
ZONING: HEAVY INDUSTRIAL ZONE (I-2)
8.5.2026

THE COMMENTS PROVIDED ARE PRELIMINARY AND ARE NOT TO BE ASSUMED AS A COMPLETE REVIEW OF THE PROPOSAL. DURING THE DEVELOPMENT PACKAGE REVIEW PROCESS, A FULL REVIEW WILL BE MADE BY THE SITE LANDSCAPE/NPPO REVIEW SECTION TO ENSURE COMPLIANCE WITH THE APPLICABLE CITY OF TUCSON UNIFIED DEVELOPMENT CODE, TECHNICAL STANDARDS MANUAL AND ADMINISTRATIVE MANUAL REQUIREMENTS FOR SITE LANDSCAPE, NATIVE PLANTS AND RAINWATER HARVESTING.

SITE LANDSCAPE/NPPO COMMENTS:

1. Depending on the location of the tanks and the pads, a NPPO may be required. Once the locations are determined, then provide a Native Plant Preservation Plan (NPPP) or a NPPO waiver per UDC 7.7. See UDC 7.7.3. Applicability; UDC 7.7.4 NPPO General Provisions and Standards; UDC 7.7.4.c. Plan Approval Prior to Permitting; UDC 7.7.4.d. Professional Expertise 7.7.5.c.5; also see AM 2-11.3.0 Permitted Exceptions. If applicable, the Planning and Development Services Department will provide the applicant with the NPPO waiver form upon request.

COPY THE FOLLOWING LINK INTO YOUR INTERNET BROWSER FOR ACCESS TO THE NPPO WAIVER:

https://www.tucsonaz.gov/files/sharedassets/public/v/1/pdsd/documents/applicationsforms/nppoapp-2025-v.2-fillable-1.pdf


Thank you.

CHAD KELLER - PLA
LANDSCAPE ARCHITECT

CITY OF TUCSON - PDSD
CHAD.KELLER@TUCSONAZ.GOV
520.837.4923
Site Zoning * REVIEW COMPLETED CDRC Thursday Pre-Submittal Transmittal
PDSD Zoning Review

FROM: Georgia Pennington, Lead Planner

PROJECT: Storage Tanks
Parcel(s): 141-080-02B
Current Zoning: I-2
Existing Use:
Proposed Use: Hazardous Material Storage
TRANSMITTAL DATE: 8/6/26

COMMENTS:

1. Development must comply with Administrative Manual Section 2-06, Development Package. The Development Package is a separate submittal from the building permits, and building permits cannot be approved until the Development Package is approved. (Administrative Manual Section 2-06)


2. The property is zoned I-2. . Hazardous Material Storage is permitted as accessory use to a permitted land use in the I-2 zone when the storage is clearly incidental to the primary use on the site.

3. The submitted exhibit shows the proposed hazardous material tanks outside of the ADC-2 Airport Environs Height Overlay area. The formal Development Package must clearly show the ADC-2 boundary and confirm that all hazardous material tanks are located outside of ADC-2.

4. I-2 dimensional standards include:

a. No maximum lot coverage
b. Maximum building height of 140 feet
c. Setbacks
i. Street perimeter yards per UDC Section 6.4.5.C
ii. Nonresidential use adjacent to nonresidential zoning requires no perimeter yard. (UDC Table 6.3-5.A)

5) Vehicle Parking Requirements: 1 space per 5,000 sq. ft. GFA, plus 1 space per 5,000 sq. ft. of outdoor storage area for the first 20,000 sq. ft. of outdoor storage area, plus 1 space per 10,000 sq. ft. of outdoor storage area over 20,000 sq. ft. of outdoor storage area

6. Bike Parking:
A. Short term: None
B. Long- term: 1 space per 5,000 sq. ft. GFA, plus 1 space per 5,000 sq. ft. of outdoor storage area for the first 20,000 sq. ft. of outdoor storage area, plus 1 space per 10,000 sq. ft. of outdoor storage area over 20,000 sq. ft. of outdoor storage area

7. Comply with Technical Standards Manual Section 7-01, Pedestrian Access, for any required pedestrian circulation associated with the proposed development. (Technical Standards Manual Section 7-01)


8. These comments are preliminary and not a complete review. Full compliance with the Unified Development Code, Administrative Manual, and Technical Standards Manual will be evaluated during formal review.

If you have any questions, please contact me at Georgia.Pennington@tucsonaz.gov.
TW New Area Development * REVIEW COMPLETED Based on the information provided, Tucson Water has no objections to the proposed development.
Potentially serving this new development is the service stub from a 12-inch PVC potable water main (E zone) located on the northwest side of the parcel within the right-of-way of S Wilmot Rd.
Water pressure in this area is 54-61 PSI at an elevation of 2756ft. Water pressure can vary by an additional 5 psi +/-.
If any new domestic water, irrigation water, or fire water services are needed to serve this proposed development, please contact Tucson Water’s New Services Section by calling 520-791-5164 or by sending an email to TW_Common@tucsonaz.gov.
The above comments are based on the limited preliminary information provided by the applicant and should not be construed as a complete review of the proposal. Any questions, comments or concerns about these comments may be directed to Abdullah Salman (Project Manager) at Abdullah.Salman@tucsonaz.gov.