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Permit Review Detail

Permit Number: TC-RES-0525-02398
Parcel: 107050270

Review Status: Requires Resubmit

Review Details: RESIDENTIAL NEW DWELLING v.1

Permit Number - TC-RES-0525-02398
Review Name: RESIDENTIAL NEW DWELLING v.1
Review Status: Requires Resubmit
Review Date Reviewer's Name Type of Review Description Status Comments
06/09/2025 Site Engineering - Standard NOT REQUIRED
06/09/2025 Bldg Permits - Post Review Express PENDING ASSIGNMENT
06/03/2025 Residential Building - Standard REQUIRES RESUBMIT TC-RES-0525-02398
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.

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.
2. Plans submitted for a newly constructed one- or two-family dwelling after July 1, 2009 require a solar photo-voltaic system, or future installation preparation City of Tucson Ordinance #10549 .
a. Show a minimum 300 SF clear solar-ready zone on a roof or framing plan, T103.3. Model plans should show four typical south facing roof surfaces.
b. Label a double breaker space for future Photo Voltaic on the panel schedule opposite end from the main/supply side, T103.9. Provide a future PV breaker space at the last panel space.
3. Plans submitted for a newly constructed one- or two-family dwelling after June 1, 2010, require gray water utilization or preparation, Ordinance #10579/11089 revised July 9, 2013. The ordinance revision now requires a gray drain line discharge from one fixture for a one-story dwelling. Additional gray fixture drains are optional. Show a second clothes washer standpipe plumbed to an exterior wall above grade when feasible, or a bathing fixture drain looped 3’ beyond an exterior wall below grade before connection to the building drain. Use the appropriate detail at https://www.tucsonaz.gov/Departments/Planning-Development-Services/Building-Safety/Water-Energy-Conservation Gray Water Illustrations
4. Show compliance with the Electric Vehicle Supply Equipment Ordinance adopted by the City of Tucson Ordinance #11844 on 6/22/2021. Include a 40 ampere 240-volt dedicated branch circuit with a NEMA 14-50R receptacle for charging an electric vehicle at a proposed parking space.

PLANS:

1. Show a maximum ½” floor elevation changes at a notated accessible route entrance on the floor plan, R106.1.1. Include the threshold condition at the vehicle doorway or an exterior hinged door when the garage is used for the accessible route.
2. Provide manufacturer’s calculations and data for pre-engineered trusses dated and wet-sealed by an engineer who is registered in Arizona, or notate the requirement for deferred submittal, R106.1.

SECTIONS - DETAILS:

1. 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. Show the ventilation calculation and show the size and location of the attic vent openings.

PLUMBING PLANS:

1. Tucson Water Department limits flow rates for each water meter size in compliance with P2903.7. Show an appropriate 1” yard pipe and show the water meter size.
2. Show an individual water heater for each dwelling unit, P2801.1.
3. Show a temperature relief valve line terminating at the exterior 6 inches above grade facing down, P2804.6.1.

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 type providing an adjustable setting and note the minimum continuous setting or intermittent operation. A two- or three-bedroom dwelling under 1501 SF requires a 45 CFM continuous setting.
2. Provide demand calculations in accordance with Manual J/S/D standards, M1401.3, M1601.1.
3. Show the HVAC system size for the building demand in accordance with M1401.3, M1601.1.
4. Remove note #12 and 13.

ELECTRICAL PLANS:

1. Provide the Electric Vehicle Supply Equipment 40 ampere 240-volt dedicated branch circuit with a NEMA 14-50R receptacle and label the circuit “EV Ready” and locate the receptacle at a parking area, N1104.2.1. Include the Electric Vehicle load entry (typically 7680 watts) in the electrical load calculations (continuous demand) like the HVAC entry, N1104.2.2.
2. Designate the circuit number at the location of each light fixture, receptacle, appliance, and equipment disconnect switch, R106.1.1.
3. Panelboards and overcurrent protection devices shall not be in clothes closets, in bathrooms, or over the steps of a stairway, E3405.5.
4. Provide a panel schedule showing panel size, circuit numbers, ampacity, wire size and general description, E3404.13 & E3706.2.
5. Update the Riser Diagram for the close dwelling and the feeder size to the detached dwelling panel, NEC 225.30 and E3403. Show a Riser Diagram providing service disconnect of either dwelling without service disruption of the other dwelling.
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. GFCI protected, E3902.6.
7. Show Bathroom receptacles with a separate 20 AMP dedicated circuit, E3703.4 and E3901.6.
8. Show one 20 AMP branch circuit in the laundry area; this circuit may not serve other locations, E3703.3 and 3901.8.
9. Show one 20 AMP branch circuit for the dishwasher/disposal; this circuit may not serve other locations, E3703.8 City of Tucson Amended
10. 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. Provide notation.

OUTDOOR LIGHTING CODE

1. Show the proposed fixture as full cut-off FCO style or provide an Outdoor Lighting Calculation including all exterior fixtures on the property for determining exterior lighting limits. Show full cutoff fixtures were located within 25 feet from the property line OLC 401.3.3.

INTERNATIONAL ENERGY CONSERVATION CODE:

1. Show a ceiling insulation value of R-38, N1102.1. Update page 11.
2. Energy Certificate: (Mandatory) place near the indoor furnace or in utility room, N1101.14. Add notation to plans.

Please contact the plans reviewer if you have any questions:
Ken Van Karsen
PDSD-Residential@tucsonaz.gov
City of Tucson Residential Plan Review

Submit a corrected plan set at https://www.tucsonaz.gov/Departments/Planning-Development-Services
06/05/2025 Site Zoning - Standard REQUIRES RESUBMIT FROM: PDSD Zoning Review Section

PROJECT: TC-RES-0525-02398
642 W FLORENCE ST. – MH-1
New SFR (1st Review)

TRANSMITTAL DATE: June 5, 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 MH-1 zone (UDC 4.7.10). A single-family residence is a permitted use in this zone (Table 4.8-2).

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, to include but not limited to:
a. The plot plan shall be drawn at an engineering scale, i.e. 1” = 10, 1” = 20’.
b. Provide a dimension from the centerline of Florence St. to the face of curb and from face of curb to the south property line.
c. Provide a lot coverage calculation that meets the requirements of UDC Article 6.4.3 and the example shown on the Residential Plot Plan Requirements.
d. Provide the owners name on the plot plan.
e. Based on the Collen Subdivision final plat found at: https://maps-and-records.tucsonaz.gov/subdivisions/details/1518, there is a 5’ aerial or overhead easement that runs on this property along the north and west property line. Show this easement on the plot plan.
f. The property dimensions shown on the plan are not correct. Review the final plat mentioned in the comment above and provide the correct dimesons.
g. Indicated the zoning of the parcel and all adjacent parcels on the plot plan.

2. Remove the demo plan from this plan set.

3. Demo permit TC-DMO-0525-00095 will need to be approved prior to approval of this permit.

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.
05/06/2025 PDSD Application Completeness Express REVIEW COMPLETED