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Permit Number: TC-RES-0326-01363
Parcel: 125030880

Address:
640 N STEWART AV

Review Status: Requires Resubmit

Review Details: RESIDENTIAL ADD/ALT v.1

Permit Number - TC-RES-0326-01363
Review Name: RESIDENTIAL ADD/ALT v.1
Review Status: Requires Resubmit
Review Date Reviewer's Name Type of Review Description Status Comments
03/19/2026 Residential Engineering NOT REQUIRED
04/07/2026 Bldg Permits - Post Review Express PENDING ASSIGNMENT
04/07/2026 Residential Building - Standard REQUIRES RESUBMIT TC-RES-0326-01363
PLAN REVIEW COMMENTS

Plan review for the above referenced structure has been completed. This letter reflects comments to be addressed. Provide a separate Comment Response Letter when submitting updated plans. Facilitate 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 revisions.

SCOPE OF REVIEW:

The scope of this plan review covers architectural, plumbing, mechanical, energy conservation and electrical. All code references are to the 2024 International Residential Code and 2018 International Energy Conservation Code. The 2024 International Energy Conservation Code takes effect July 1st. 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.

PROVIDE A COMPLETE PLAN SET showing all proposed alterations to the building with 2024 IRC code compliance.

Provide a separate response letter addressing each comment with location of change on the plans.

PLANS:

1. Provide a minimum 6 mil polyethylene vapor retarder with joints lapped not less than 6 inches between the concrete floor slab and the base course or the prepared subgrade where a base course does not exist, R506.3.3.

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.

MECHANICAL PLANS:

1. Remove the outdated code reference from note #N, R106.1.1.

ELECTRICAL PLANS:

1. Show the location of sub panel B in compliance with E3405.
2. Specify high-efficacy luminaires with an efficacy not less than 45 lumens per watt or lamps with efficacy not less than 65 lumens per watt (LED devices), N1104.1. Update note #F on sheet E1.0 & E1.1.
3. 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.
4. Remove work surface receptacles from the face of island and peninsular cabinets where below the countertop. Either provide a vertical assembly listed for countertop (work surface) mounting, or a raceway terminated within the cabinet for future assembly installation, E3901.4.
5. Provide GFCI protection for appliance receptacle outlets, E3902.12. Include:
1. Drinking water coolers
2. High pressure spray washing machines
3. Sump pumps
4. Dishwashers
5. Electric ranges
6. Wall-mounted ovens
7. Counter-mounted cooking units
8. Clothes dryers
9. Microwave ovens
6. Provide GFCI protection for receptacle outlets and HVAC equipment after September 1, 2026. E3902.14.

If you have any questions, please contact:
Kenneth.VanKarsen@tucsonaz.gov
City of Tucson Residential Building Safety
04/01/2026 Residential Zoning REQUIRES RESUBMIT PDSD TRANSMITTAL

FROM: Jeffrey W. Cassidy, Planner
Planning & Development Services Department – Current Zoning Review Section

PROJECT: TC-RES-0326-01363 – Residential Building – Existing SFR expansion and remodel
640 N STEWART AV TUCSON, AZ 85716 (R-1 Zoning)
Site Plan Review – 1st Review

TRANSMITTAL DATE: April 01, 2026

This site is in the R-1 Residence Zone (UDC 4.7.8). A single-family residence is permitted use in this zone (Table 4.8-2) subject to Use Specific Standards 4.9.7.B.5 - .9 for 1 unit; 4.9.7.B.1 - .9, & .11 for 2 units (min. 10,000 sq ft lot size required).

The City's Unified Development Code (UDC) (Section 1.4.1.C) establishes that before the City issues any approvals or permits; we must confirm that a site complies with UDC standards. Therefore, as part of permit reviews, we review a site's permit history and compare it to aerial photography to confirm that unpermitted work has not occurred. In many cases, this does mean that a homeowner must apply for permits for unpermitted work before we can approve any new work on that site.

Plan review for the above referenced existing SFR expansion and remodel 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.

1. COMMENT: Per Ordinance 12219, the interior setbacks have been updated to 5’-0” (north, south and east property lines for this project); Update site plan and titleblock notes accordingly.

2. COMMENT: The shed shown in the northeast corner of the backyard shows up sometime after 2020. Zoning could not locate approved permit documents for this shed.

Either:

1) provide approved permit documents,
2) include the shed in the permit, or
3) show the shed to be removed from site.

Draw, label and dimension shed and existing wall in backyard.

3. COMMENT: Additional comments may be forthcoming on the next review based on responses to Zoning and other PDSD reviewer comments.

RESUBMITTAL OF THE FOLLOWING IS REQUIRED:

1. Corrected building permit

2. Provide a detailed response letter with your submittal that clearly shows how you have addressed all Zoning comments.

3. Resubmit ALL documents associated with this permit

To resubmit visit Tucson Development Center at https://tdc-online.tucsonaz.gov/#/home

Instructions for resubmittal - https://www.tucsonaz.gov/files/sharedassets/public/v/1/pdsd/documents/tdc-faq/old-pdfs/double-old/resubmittals.pdf

If you have any questions about this transmittal, please contact jeffrey.cassidy@tucsonaz.gov

The Unified Development Code (UDC) can be found at: https://www.tucsonaz.gov/Departments/Planning-Development-Services/Codes/Zoning-Code
03/18/2026 PDSD Application Completeness Express REVIEW COMPLETED