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Review Status: Requires Resubmit

Review Details: RESIDENTIAL ADU v.1

Permit Number - TC-RES-1125-05553
Review Name: RESIDENTIAL ADU v.1
Review Status: Requires Resubmit
Review Date Reviewer's Name Type of Review Description Status Comments
12/01/2025 Bldg Permits - Post Review Express PENDING ASSIGNMENT
11/21/2025 Addressing Validation REQUIRES RESUBMIT The permit and plan show to be for an Accessory Dwelling Unit (ADU) and requires to be separately addressed. Please contact Pima County Addressing at addressing@pima.gov or 520-724-9512 to assign/add the units or a new address for this ADU. Please resubmit your plans and all supporting permit documents to reflect the updated address, in addition, a change of address request will need to be submitted in order to properly update the location of this permit. For questions: PDSD-Residential@tucsonaz.gov
11/24/2025 Residential Building REQUIRES RESUBMIT TC-RES-1125-05553
PLAN REVIEW COMMENTS

Plan review for the above referenced structure has been completed. This letter reflects comments to be addressed. For facilitating a shorter back check time, please provide updated plans and calculations with a written response to each of the notated items indicating action taken. Do not cloud the changes made for comment updates; revisions are processed if changes occur after the permit is issued.

SCOPE OF REVIEW:

The scope of this plan review covers architectural, plumbing, mechanical, energy conservation and electrical. All code references are to the 2018 International Residential Code and 2018 International Energy Conservation Code. All features were checked only to the extent allowed by the submittals provided. All portions of this project are assumed to meet or will meet other departmental requirements, conditions, and concerns before permit approval.

GENERAL REQUIREMENTS:

The City of Tucson adopted the 2018 IRC with amendments and building ordinances for all dwellings. The 2024 IRC will be in effect Jan 1, 2026.

Provide a response letter addressing each comment with location of change on the plans. Submit separate letter and plan set files.

SITE PLAN:

1. Each dwelling requires an appropriate source of water supply. Show the location and size of lines with connection points, R106.1.1.

PLANS:

1. Notate a cool (white) roof finish (greater than 60 SRI) as required by the ADU provisions.
2. Show a maximum ½” floor elevation changes at a notated accessible route entrance on the floor plan, R106.1.1. Include all threshold conditions for a route from the exterior into the living space.
3. Show the location of a minimum 22” x 30” attic access, R807.1.

SECTIONS - DETAILS:

1. An unvented roof assembly requires an air-impermeable rigid insulation material with a minimum R-5 value applied correctly to either side of the roof sheathing, R806.5. Show a roof design with insulation types and minimum thickness for meeting the condensation control requirement and the minimum total insulation value of R-38. Clarify the ceiling/roof insulation detail showing the air-impermeable rigid insulation material adhered to either side of the roof sheathing and the batt insulation in contact with the roof material.

PLUMBING PLANS:

1. The Tucson Water Department limits flow rates for the water meter size in compliance with P2903.7. Show an appropriate water meter size for the additional demand.
2. Show an individual accessible water supply shut off and water heater for the proposed dwelling unit, P2903.9.1.
3. Show each gas pipe segment sized in conformance with Table G2413.4(1). Existing gas pipes may require upgrading with this system alteration.

MECHANICAL PLANS:

1. Provide (an HVAC system with fresh air intake) whole-house mechanical ventilation with controlled exhaust, R303.4; N1103.6 & M1505.4. Identify the device model number providing an adjustable setting and note the minimum continuous setting. A one-bedroom dwelling under 1501 SF requires a 30 CFM continuous setting.

ELECTRICAL PLANS:

1. Show receptacle outlets at each kitchen counter space wider than 12” with no point along the wall line more than 24” from a receptacle outlet, E3901.4.1. Show receptacles within 2’ of counter edges or corners and no more than 4’ apart.
2. Show two or more 2O AMP small appliance circuits at the kitchen countertop receptacle outlets; they may also serve the breakfast room and dining room, but not other locations, E3703.2 and E3901.3.
3. Show Bathroom receptacles with a separate 20 AMP dedicated circuit, E3703.4 and E3901.6. Remove circuit #22 from hallway outlets.

OUTDOOR LIGHTING CODE

1. Show full cutoff fixtures were located within 25 feet from the property line OLC 401.3.3.

INTERNATIONAL ENERGY CONSERVATION CODE:

1. Energy Certificate: (Mandatory) place near the indoor furnace or in utility room, N1101.14. Add notation to plans.

If you have any questions, please contact:
Ken Van Karsen
11/26/2025 Residential Engineering REQUIRES RESUBMIT Permit: TC-RES-1125-05553
Location: 5822 E SOUTH WILSHIRE DR
Review Date: 11/26/2025
Site Engineering Comments:

Per the City of Tucson Inclusive Home Design Ordinance (https://www.tucsonaz.gov/files/sharedassets/public/v/1/city-services/planning-development-services/documents/inclusivehomedesignordinance.pdf), all new dwellings have a requirement to provide an “accessible route from public and common areas, including, but not limited to, a driveway or public street or sidewalk”. Draw, dimension, and label an accessible route from the driveway (or apron), sidewalk, or street to an accessible entrance. Ensure the route meets accessibility standards as articulated in Sections 402-404 of the ADA Accessibility Standards (https://www.access-board.gov/ada/chapter/ch04/). See TSM 7-01.4.3 for specifications, including slope and composition materials.

If you have any questions or concerns, please contact
Corey Hines
Corey.Hines@TucsonAZ.gov
12/01/2025 Residential Zoning REQUIRES RESUBMIT PDSD TRANSMITTAL

FROM: Erick Bieber
Planning & Development Services Department – Zoning Review Section

PROJECT: TC-RES-1125-05553
5822 E South Wilshire Dr, Tucson, AZ 85711
Residential ADU – Casitas (1st Review)

TRANSMITTAL DATE: December 1st, 2025

This site is located in the R-1 zone (UDC 4.7.8). An accessory dwelling unit is a permitted use in this zone (Table 4.8-2) subject to Use Specific Standards 4.9.7.B.6, 8 & 9 and 6.6.3.

RESUBMITTAL OF THE FOLLOWING IS REQUIRED: Correct plans, as noted in the comments below, along with a response letter indicating how all Site Zoning comments were addressed.

1. (Comment) The lot coverage calculation is not correct. Per UDC Article 6.4.3.C.1.a Roofed areas, porches, open on at least one side are not included in the calculation.

2. (Comment) See residential engineering comments regarding the Inclusive Home Design Ordinance accessible route.

The Unified Development Code (UDC) can be found at: https://www.tucsonaz.gov/Departments/Planning-Development-Services/Codes/Zoning-Code

For questions regarding Zoning comments, please contact me at: Erick.Bieber@tucsonaz.gov
11/21/2025 PDSD Application Completeness Express REVIEW COMPLETED