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Permit Number: TC-RES-0725-03516
Parcel: 112041120

Review Status: Requires Resubmit

Review Details: RESIDENTIAL NEW DWELLING v.1

Permit Number - TC-RES-0725-03516
Review Name: RESIDENTIAL NEW DWELLING v.1
Review Status: Requires Resubmit
Review Date Reviewer's Name Type of Review Description Status Comments
07/17/2025 Site Engineering - Standard NOT REQUIRED
08/11/2025 Bldg Permits - Post Review Express PENDING ASSIGNMENT
08/11/2025 Residential Building - Standard REQUIRES RESUBMIT TC-RES-0725-03516
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. Show the current code reference on the plans.

Clarify if the proposed dwelling includes a kitchen with a major cooking appliance (stove or range).

Include construction plan sheets for all alterations that may have been installed after the T17CM03880 final inspection.

The proposed dwelling unit requires a separate Pima County assigned street address after Zoning approval, R319. Show Pima County assigned unit numbers at each dwelling on the site plan. https://www.pima.gov/1010/Addressing-Frequently-Asked-Questions

An impact fee payment is required for proposed dwelling at the time of permit payment.

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

GENERAL COMMENTS :

1. Show compliance with the Inclusive Home Design Ordinance adopted by the City of Tucson Ordinance #10463 on 10/16/2007. Notate accessible route, minimum door width, changes in floor elevation, door hardware, electrical outlet reach range, grab bar reinforcement, etc.

SITE PLAN:

1. Show the location and size of buildings, utility meters and gas, water, electrical, and sewer, R106.1.1.

PLANS:

1. 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.

SECTIONS - DETAILS:

1. Provide a wall section detail with reinforced foundations for anchoring exterior framed walls with pressure treated sills including ½” anchor bolts with 7” embedment for the enclosed vehicle door area, R403.1.6.
2. Show exterior wood siding, sheathing and wall framing with a 6” clearance above the ground (R317.1 item 5). The weep screed may extend with a minimum clearance 4” above grade or 2” above paved areas, R703.7.2.1. This may require an above floor level stem.
3. Clarify the placement of ceiling/roof insulation for determining the need for attic ventilation, R806. Attic space outside of the thermal barrier requires a ventilation calculation for showing the attic vent opening size using 1 to 150 of attic area in compliance with R806.2 or 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.

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 the water heater rating and clarify if it is proposed or replaced, P2801.1.

MECHANICAL PLANS:

1. Show the HVAC system size for the building demand in accordance with M1401.3, M1601.1.
2. Provide demand calculations in accordance with Manual J standards, M1401.3, M1601.1.
3. Provide 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. Provide an electrical load calculation determining the total demand of both dwellings, E3602.2 and E3705.
2. Show a smoke alarm in the bedroom and outside the doorway in the immediate vicinity with an electrical circuit, R314.3.
3. Designate the circuit number at the location of each light fixture, receptacle, appliance, and equipment disconnect switch, R106.1.1.
4. Show receptacle outlets at wall spaces 2’ or more with no wall point (exclude door openings) more than 6’ from a receptacle outlet, E3901.2.
5. Show Bathroom receptacles with a separate 20 AMP dedicated circuit, E3703.4 and E3901.6.
6. 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.
7. Show at least one wall switch controlled light or outlet in bathrooms, hallways, stairways, attached garages, outdoor entrances or exits and all habitable rooms, E3903.3.
8. Interior 15A & 20A circuits serving outlet locations (except garage, kitchen, and bathrooms) including receptacles, lights, and smoke detectors require combination type arc-fault circuit interrupters, E3902.16. Add notation to plans.

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
PDSD-Residential@tucsonaz.gov
City of Tucson Residential Plan Review

Submit a corrected plan set at https://www.tucsonaz.gov/pdsd
08/11/2025 Site Zoning - Standard REQUIRES RESUBMIT FROM: PDSD Zoning Review Section

PROJECT: TC-RES-0725-03516
2726 E LA CIENEGA DR. – R-1
Convert Garage into ADU (1st Review)

TRANSMITTAL DATE: August 11, 2025

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

This site is located in the R-1 zone (UDC 4.7.8). A single-family residence (SFR) with an accessory dwelling unit (ADU) is a permitted use in this zone (Table 4.8-2). See 4.9.7.B.6, 8, & 9 and 6.6.3.

1. Provide a residential plot plan that meets the requirements found at: https://www.tucsonaz.gov/Departments/Planning-Development-Services/Permits/Plan-Examples/Plot-Plan-Example.

2. Once the above comment is addressed additional comments may be forthcoming.

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

If you have any questions about this transmittal, please contact Zone1.desk@tucsonaz.gov.
07/16/2025 PDSD Application Completeness Express REVIEW COMPLETED