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Permit Number: TC-RES-1223-10068
Parcel: 120075390

Address:
4413 S 12TH AV

Review Status: Requires Resubmit

Review Details: RESIDENTIAL NEW DWELLING v.1

Permit Number - TC-RES-1223-10068
Review Name: RESIDENTIAL NEW DWELLING v.1
Review Status: Requires Resubmit
Review Date Reviewer's Name Type of Review Description Status Comments
01/10/2024 Site Engineering NOT REQUIRED
01/10/2024 Bldg Permits - Post Review Express PENDING ASSIGNMENT
12/28/2023 Residential Building REQUIRES RESUBMIT TC-RES-1223-10068

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 COMMENTS :

1. All 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 . Label a double breaker space for future Photo Voltaic on the panel schedule opposite end from the main/supply side, T103.9. Update breaker space to the last panel space.
2. All plans submitted for a newly constructed one- or two-family dwelling after June 1, 2010, must provide 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

SITE PLAN:

1. Show the location sewer line to the HCS connection without passage on the adjacent property, R106.1.1.
2. Any structure placed in the 3-foot fire separation distance from the neighboring property line requires not less than one-hour fire-resistive construction for reducing fire spread across the property line, R302.1. Remove all window openings from the fire rated wall. Fire rated materials are found in IBC Table 721.1(2), Items 15-1.1 to 16-1.3.
3. Roof projections extending into the 3-foot fire separation distance to the neighboring property line require not less than one-hour fire-resistive construction on the underside, R302.1 (City of Tucson Amended). The fire protected overhang may not extend closer than 24” from the property line.

SECTIONS - DETAILS:

1. Attic space requires a ventilation calculation for showing the attic vent opening size using 1 to 150 of attic area in compliance with R806.2. Provide appropriate upper and lower space vents when applying the reduced area calculation. Show the calculation on sheet A106.

MECHANICAL PLANS:

1. Provide (an HVAC system with fresh air intake) whole-house mechanical ventilation with controlled exhaust, R303.4; N1103.6 & M1505.4. Show the minimum airflow rate setting and location of the device requiring this adjustable setting. A two or three bedroom dwelling under 1501 SF requires a 45 CFM continuous setting.

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.

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
12/20/2023 Site Zoning REQUIRES RESUBMIT ZONING REVIEW TRANSMITTAL

FROM: PDSD Zoning Review

PROJECT:
TC-RES-1223-10068
4413 S 12TH AV. – C-2
New SFR (1st Review)

TRANSMITTAL: December 20, 2023

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

This site is located in the C-2 zone (UDC 4.7.21). A single-family residence (SFR) is a permitted use in this zone (Table 4.8-4).

1. The lot coverage calculation is not correct. Review UDC Article 6.4.3 and the example shown on the Residential Plot Plan Requirements found at: https://www.tucsonaz.gov/Departments/Planning-Development-Services/Building-Safety/Plan-Examples/Plot-Plan-Example, and provide a correct lot coverage calculation. Also, per UDC Article 6.4.3.C.1.a roofed areas, porches, open on at least one side, which provide shelter to exterior areas, are not included in the lot coverage.

2. Perimeter yard setbacks are based on a wall height measurement from design grade to the highest point of the exterior wall UDC Article 6.4.5.B & Figure 6.4.5-A. Where the wall meets the eave of the roof. Per UDC Table 6.3-4.A, C-2 zone, Res Use to Non Res Zone the required perimeter setback is 10’-0” or ¾ (H) height of exterior wall, greater of the two. Based on a wall height of less than 13’-4” the required perimeter yard setback from the proposed SFR to the north property is 10’-0, propose setback is 2’-0”. A Design Development Option (DDO) must be submitted and approved to reduce the required setback. DDO application and requirements can be found at: https://www.tucsonaz.gov/Departments/Planning-Development-Services/Planning-Zoning-Applications/Zoning-Administration. If you have questions about the DDO application or process please contact Wyatt Berger at Wyatt.Berger@tucsonaz.gov or Georgia Pennington at Georgia.Pennington@tucsonaz.gov.

3. 12th Ave. is designated as a Arterial street on the COT MS&R plan, with a future right-of-way (ROW) width of 100’, or 50’ ½ ROW. It does not appear that the ROW is at full width in this area. Provide the future ROW line on the plans and provide a setback dimension from this line to the proposed SFR. Contact you PDSD Engineering reviewer with questions about this.

4. As 12th Ave. is designated as a Arterial street on the COT MS&R plan clearly demonstrate on the plan that a vehicle parking on site can turn around with all vehicle maneuvering done on site. Backing out into 12th is not allowed.


If you have any questions about this transmittal, please contact Nicholas Martell at Nicholas.Martell@tucsonaz.gov.
12/14/2023 PDSD Application Completeness Express REVIEW COMPLETED