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Permit Number: TC-RES-1022-00222
Parcel: 122151140

Review Status: Requires Resubmit

Review Details: RESIDENTIAL NEW DWELLING v.1

Permit Number - TC-RES-1022-00222
Review Name: RESIDENTIAL NEW DWELLING v.1
Review Status: Requires Resubmit
Review Date Reviewer's Name Type of Review Description Status Comments
11/23/2022 NPPO APPROVED
11/15/2022 Site Engineering NOT REQUIRED
11/23/2022 Bldg Permits - Post Review Express PENDING ASSIGNMENT
11/04/2022 External Reviewers - Pima County Addressing REQUIRES RESUBMIT Contact Pima County Addressing at addressing@pima.gov or (520)724-9512 to obtain addresse
11/15/2022 Residential Building REQUIRES RESUBMIT TC-RES-1022-00222
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:

A living space with cooking features is an independently functioning dwelling and requires compliance with the 2018 IRC and City of Tucson building ordinances for Family Dwelling requirements.

Each dwelling unit with kitchen requires a separate Pima County assigned street address, R319. Notate each dwelling address on the site plan.

A new dwelling unit requires collection of development impact fee when the building permit is processed, City of Tucson Ordinance #11203.

Submit a separate application for the Bathroom addition to the main dwelling. Permits are issued separately for each dwelling address.

GENERAL COMMENTS :

1. Remove the “PRELIMINARY” notation from (A3.0) the plans submitted for approval, R106.1.

SITE PLAN:

1. Show a street address for each dwelling on the site plan, R319.

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.

SECTIONS - DETAILS:

1. Show one-hour fire-resistive framed construction separating dwellings in compliance with IBC Table 721.1(2). Clarify the wall between the ADU shower and enclosed porch of the main dwelling.
2. Clarify the placement of ceiling/roof insulation for determining the need for attic ventilation or need for providing air-impermeable rigid insulation at the roof, R806.
3. 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. Provide branch drainpipes in accordance with Table P3005.4.1. Show all drain lines between a water closet and HCS with a minimum of 3” pipe.

MECHANICAL PLANS:

1. Provide (an HVAC system with fresh air intake) whole-house mechanical ventilation, or controlled exhaust with a calculated airflow rate, R303.4; N1103.6 & M1505.4. Show the system and appropriate flow rate setting on the plans. A one bedroom dwelling under 1501 SF requires a 30 CFM continuous setting.

ELECTRICAL PLANS:

1. Show only 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. Update circuit #B13.
2. 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.

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.

INTERNATIONAL ENERGY CONSERVATION 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.
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
(520) 837-4912 PDSD-Residential@tucsonaz.gov
City of Tucson Residential Plan Review
11/07/2022 Site Zoning REQUIRES RESUBMIT ZONING REVIEW TRANSMITTAL

FROM: Wyatt Berger
Planner

PROJECT: TC-RES-1022-00222
3144 E Lester St – R-1
ADU (1st Review)

TRANSMITTAL DATE: November 7, 2022

COMMENTS: Please resubmit revised drawings and any redlined plans along with a detailed response letter, which states how all Zoning Review Section comments were addressed.

1. Provide elevations only for the proposed ADU. The elevations provided are nearly identical to the elevations provided for the related T22CM06230.

2. As elevations were not provided for the proposed ADU, the Zoning Review Section cannot verify perimeter yard setback requirements. Perimeter yard setbacks are based on a measurement from design grade to the highest point of the exterior wall per UDC Article 6.4.5.B and UDC Figure 6.4.5-A.

Per UDC Table 6.3-2.A, the required perimeter yard setback from the proposed ADU to the west lot line is the greater of 6’-0” or 2/3 the height of the exterior wall; proposed setback is 3’-1”. A Design Development Option (DDO) will be required for the west perimeter yard setback. Zoning cannot provide the required comments for the DDO application until elevations are provided.

The DDO application and requirements can be found at: https://www.tucsonaz.gov/files/pdsd/forms/2019_DDO_for_Setback_and_Height_UDC.pdf. The DDO application shall be submitted as “Additional/Supporting Documentation” under this existing activity number. Contact Mark Castro at Mark.Castro@tucsonaz.gov should you have questions regarding the DDO process.

3. Provide a general note stating that per UDC 6.6.3.B.3, the accessory dwelling unit shall be developed with a high albedo level (>60 SRI) or other cool roof technology per the ICC Green Construction Code.

If you have any questions about this transmittal, please contact Wyatt Berger at Wyatt.Berger@tucsonaz.gov or at 520-837-4951.
11/04/2022 PDSD Application Completeness Express REVIEW COMPLETED