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Permit Number: TC-RES-1224-07285
Parcel: 129062350

Address:
2808 E 20TH ST

Review Status: Requires Resubmit

Review Details: RESIDENTIAL NEW DWELLING v.3

Permit Number - TC-RES-1224-07285
Review Name: RESIDENTIAL NEW DWELLING v.3
Review Status: Requires Resubmit
Review Date Reviewer's Name Type of Review Description Status Comments
03/03/2025 Bldg Permits - Post Review Express PENDING ASSIGNMENT
02/18/2025 Residential Building REQUIRES RESUBMIT TC-RES-1224-07285 2nd - Renovate Shed into Sleeping Quarters (no kitchen)
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 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.

PROVIDE A COMPLETE PLAN SET showing all proposed alterations to the building with 2018 IRC code compliance. The plans require sufficient detail for demonstrating minimum building code compliance for passing all progress inspections.

Note the 2018 IRC reference on the plans.

The plans may require additional changes for showing 2018 IRC compliance of construction performed without a permit.

Provide a clear and concise construction plan set. Sample drawings are available for understanding details. Sample plans at https://www.tucsonaz.gov/Departments/Planning-Development-Services/Permits/Residential-Permits

SITE PLAN:

1. Show the location and size of buildings, utility meters and gas, water, electric and sewer lines, R106.1.1. Identify the utility lines requiring upgrade or replacement.
2. Show the square footage of living space, R106.1.1.

PLANS:

1. Show the functional name of each existing adjacent room, R106.1.1. Bedrooms require code compliance for egress, R310. Include any alteration of door or window openings between existing and proposed rooms.

SECTIONS - DETAILS:

1. The roof structure may not extend to a point closer than 3 feet from the neighboring property line without fire rated protection for fire spread. Provide compliance with R302.1 (City of Tucson Amended) by protecting the structure placed within 3 feet of the property line in compliance with IBC Table 721.1(2). Include a one hour rated wall below the roof edge with foundation along the full length of structure near the property line.
2. Provide a wall section detail with (#4 rebar) reinforced 12” x 12” reinforced foundations for anchoring exterior framed (insulated) walls with pressure treated sills including ½” anchor bolts with 7” embedment, R403.1.6.
3. 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.
4. 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 or R-30 when extended over the wall top plate for additions under 500 SF. 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.

PLUMBING PLANS:

1. Show an individual accessible water supply shut off and water heater for the proposed dwelling unit, P2903.9.1.
2. Show the water heater rating, P2801.1.

MECHANICAL PLANS:

1. Show the HVAC system size accordance with M1401.3, M1601.1.

ELECTRICAL PLANS:

1. Show a smoke alarm in the bedroom and outside the doorway in the immediate vicinity with an electrical circuit, R314.3.
2. Designate the circuit number at the location of each light fixture, receptacle, appliance, and equipment disconnect switch, R106.1.1.
3. 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.
4. 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.
5. 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. Show the “R” values of insulation and the maximum “U” factors of the windows and doors on the plans as well as the solar heat gain coefficient SHGC minimum value of 0.25, N1102.1

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.

If you have any questions, please contact:
PDSD-Residential@tucsonaz.gov
City of Tucson Residential Plan Review

Submit a corrected plan set at https://www.tucsonaz.gov/Departments/Planning-Development-Services
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03/03/2025 Site Zoning REQUIRES RESUBMIT FROM: PDSD Zoning Review Section

PROJECT: TC-RES-1224-07284 & TC-RES-1224-07285
2808 E 20TH ST. – R-1
Site wall and convert storage to ADU (3rd Review)

TRANSMITTAL DATE: February 5, 2025

This comment was not addressed. COMMENTS: Resubmit revised drawings along with a detailed response letter, which states how all Zoning Review Section comments were addressed.

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) subject to Use Specific Standards 4.9.7.B.6, 8, & 9 and 6.6.3.

1. This comment was not addressed. Provide a residential plot plan that meets all the requirements shown on the example found at: https://www.tucsonaz.gov/Departments/Planning-Development-Services/Permits/Plan-Examples/Plot-Plan-Example.

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.
02/14/2025 PDSD Application Completeness Express REVIEW COMPLETED