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Permit Number: T21CM07756
Parcel: 117091330

Address:
1128 S 7TH AV

Review Status: Completed

Review Details: RESIDENTIAL - BLDG/ZONING/ENGINE/NPPO

Permit Number - T21CM07756
Review Name: RESIDENTIAL - BLDG/ZONING/ENGINE/NPPO
Review Status: Completed
Review Date Reviewer's Name Type of Review Description Status Comments
10/06/2021 STEVE SHIELDS ZONING REVIEW Reqs Change ZONING REVIEW TRANSMITTAL

FROM: PDSD Zoning Review

PROJECT:
T21CM07756
1128 S 7th Ave – R-3
2nd Dwelling Unit (1st Review)

TRANSMITTAL: October 6, 2021
This site is located in the R-3 zone (UDC 4.7.9). A single-family residence (SFR) is a permitted use in this zone (Table 4.8-2). See Use-Specific Standards 4.9.7.B.6.

1. As Rubio Ave is a names alley it is considered a street for review processes and this site borders on two streets. Per UDC Article 6.4.5.C.1.a the front street, 7th Ave is 20’-0” or 1-1./2 times the height of the exterior wall, greater of the two, measured from the street property line. The other street is considered a side street with a side street perimeter yard setback of 10’-0” measured form the street property line, proposed side street setback to Rubio is 9’-4”. The side street perimeter yard as shown will require a Design Development Option (DDO) to approve the reduced setback. DDO application and requirements can be found at: https://www.tucsonaz.gov/files/pdsd/forms/DDO_for_Setback_and_Height_UDC_8.11.20.pdf. A DDO is a separate submittal from the building plan and shall be submitted at: https://www.tucsonaz.gov/pdsd-filedrop, using the Submission Type “Zoning Administration”. If you have questions about the DDO application or process please contact Mark Castro at Mark.Castro@tucsonaz.gov.

2. The setbacks listed under “PERIMETER SETBACKS” are not correct. The ‘EAST REQUIRED” should be listed as 20’-0” or 1-1/2 the height, greater or the two/ The west should be listed as 10’-0”. Clarify why you do not provide the north setback requirement.

3. Per UDC Article 6.6.2.I The maximum height of a wall or fence within a perimeter yard shall be six feet and as the wall shown on detail 2 & 3 sheet 2 does not meet the exceptions the proposed perimeter wall will require a DDO. This can be processed under the same DDO as above.

4. Provide the zoning for all adjacent parcels on the plot plan.




If you have any questions about this transmittal, please contact Elisa Hamblin at Elisa.Hamblin@tucsonaz.gov.
10/06/2021 SSHIELD1 ENGINEERING REVIEW Passed
10/25/2021 KEN VAN KARSEN BUILDING-RESIDENTIAL REVIEW Reqs Change T21CM07756
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:

Each dwelling unit with kitchen requires a separate Pima County assigned street address, R319. Show a new dwelling address on the site plan or remove kitchen appliances.

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

GENERAL COMMENTS:

1. All SFR and Duplex plans submitted 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. Breaker location is shown.
2. All construction drawings submitted after June 1, 2010 for one- or two-family dwellings 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. See details at https://www.tucsonaz.gov/pdsd/water-energy-conservation
3. 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 the minimum stair width in compliance with R311.7.
3. Provide a roof plan showing the location of guards in compliance with R312.

SECTIONS - DETAILS:

1. 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. Update keynote #7.06.

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 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. Systems shall be sized in accordance with Manual S based on building loads calculated in accordance with Manual J and duct systems sized in accordance with Manual D. Notate if the mechanical plans if system calculations will be provided by deferred submittal.

ELECTRICAL PLANS:

1. TEP usually requires the service panel on the property at the closest building to the service transformer. A service line change or a new meter location must be coordinated with TEP for approval.
2. An overhead service conductor requires an 8-foot clearance above the roof, E3604.2.1 which is usually not feasible. The service line change or a new panel location must be coordinated with TEP for approval.
3. Show service meter on a Riser Diagram for the dwelling and detached building with a single drop from the utility. A feeder is required between buildings, NEC 225.30 and E3403.
4. 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”, N1104.2.1. Include the Electric Vehicle load entry (typically 7680 watts) in the electrical load calculations (continuous demand) similar to the HVAC entry, N1104.2.2.

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. 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