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Permit Review Detail

Permit Number: T22CM02966
Parcel: 124070020

Address:
938 E 8TH ST

Review Status: Completed

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

Permit Number - T22CM02966
Review Name: RESIDENTIAL - BLDG/ZONING/ENGINE/NPPO
Review Status: Completed
Review Date Reviewer's Name Type of Review Description Status Comments
04/21/2022 GSLEIGH1 PIMA COUNTY - ADDRESSING PIMA COUNTY - ADDRESSING Reqs Change Additional dwelling unit requires applicant update Pima County Addressing with unit information.
04/22/2022 STEVE SHIELDS ZONING REVIEW Reqs Change ZONING REVIEW TRANSMITTAL

FROM: PDSD Zoning Review

PROJECT:
T22CM02966
938 E 8th St - R-2
New ADU (1st Review)

TRANSMITTAL: April 22, 2022

Provided a detail 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 R-2 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, .9, & .10.

1. Provide a residential plot plan that meets all requirements shown on the Residential Plot Plan Requirements found at: https://www.tucsonaz.gov/files/pdsd/forms/Residential_Plot_Plan_Requirements.pdf.

2. The lot coverage calculation is not correct and should include all vehicular use areas, measured within the outside edges of any area allocated to vehicle use, whether improved or unimproved. See UDC Article 6.4.3.B.3.b.

3. Provide parcel dimensions on the plot plan

4. The plot plan shall be drawn at an engineering scale, i.e. 1” = 10’.

5. Provide a dimension from the centerline of 8th St to the face of curb and from the face of curb to the north property line.

6. Provide a dimension from the centerline of Caddie St to the south property line.

7. Remove the reference to “W CALLE GARCIA” from the plan.

8. Show the zoning of all adjacent properties on the plot plan.

9. Show all utilities on the plot plan.
10.
11. Provide the legal description on the plot plan.

12. As perimeter yard setbacks are based on a measurement from design grade to the highest point of the exterior wall UDC Article 6.4.5.B & Figure 6.4.5-A. Provide fully dimensioned elevations with the next submittal.

13. The dimensions shown on the plot plan are not correct for example 1003’-9 ½”, revise the plot plan to show the correct dimensions.

14. Clearly demonstrate on the plan that the requirements of UDC Articles 6.6.3.B.2 and 6.6.3.B.3 are met.

If you have any questions about this transmittal, please contact Zone1.desk@tucsonaz.gov.
04/22/2022 SSHIELD1 NPPO REVIEW Passed
05/05/2022 KEN VAN KARSEN BUILDING-RESIDENTIAL REVIEW Reqs Change T22CM02966
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 on 1/1/2019. Show the current code reference on the plans.

A living space with cooking features (An ADU) 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 (or remove cooking appliances).

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

GENERAL COMMENTS (for dwelling with kitchen):

1. A dwelling unit (living space with kitchen) providing complete independent living facilities requires compliance with design ordinances for handicap, solar water, photo-voltaic, gray water and EV charging preparations. Design Ordinances adopted by the City of Tucson.
2. 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.
3. All SFR and Duplex plans submitted after March 1, 2009 require a solar water system, or future installation preparation City of Tucson Ordinance #10549 with one of the following provisions: ½”control conduit and two ¾” copper piping for water with rooftop termination; straight 3” capped sleeve; or an accessible attic (clear path 30” wide x 30” high) over the water heater. Show appropriate notation.
4. 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. Update breaker space location.
5. 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
6. 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 or show the distance from transit or a bike boulevard as not greater than a quarter-mile.

SITE PLAN:

1. Clarify the location of the “Existing Main House”. Remove one or both of the two labels and replace with Pima County issued addresses. Each building with cooking features requires an address.
2. Update the electric and water lines from meter to building, R106.1.1. Show all utility point of connections without dependance on another dwelling. Update the electric lines from meter to building, R106.1.1. Consider a single multi-meter location on the property.

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. Notate a cool (white) roof finish as required by the ADU provisions.
3. Provide a complete Roof Framing Plan with sizes for beams, rafters and headers. A manufacturer’s calculation and data is required for pre-engineered trusses with date and wet-seal by an engineer who is registered in Arizona, or notate the requirement for deferred submittal, R106.1.

SECTIONS - DETAILS:

1. Show one-hour fire-resistive framed construction separating dwellings in compliance with IBC Table 721.1(2).
2. Show a complete cross-section detail of the new exterior wall, R106.1.1. Show the minimum 12” reinforced footing depth below the undisturbed ground surface R403.1. Show exterior wood siding, sheathing and wall framing with a 6” clearance above the ground, R317.1 item 5. Update the details on sheet S-04.
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. Tucson Water Department limits flow rates for each water meter size in compliance with P2903.7. Show an appropriate yard pipe bypassing the existing dwelling and the water meter size.
2. Show the kitchen sink on the waste isometric sheet S-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.
3. Update the code reference at note #4 sheet S-07.

ELECTRICAL PLANS:

1. Provide a panelboard clear working space of 30” wide x 36” deep, E3405.2.
2. Provide a panel schedule showing the ampacity of each branch circuit consistent with the load summary, E3602.1 & E3706.2. Include all appliances.
3. 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.
4. Protection of all interior 15A & 20A circuits serving outlet locations (except garage, kitchen, and bathrooms) including receptacles, lights and smoke detectors requires combination type arc-fault circuit interrupters, E3902.16.
5. TEP may require the service panel for 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. Show an underground feeder from a dual meter to the more distant dwelling.
6. Provide a Riser Diagram showing all dwellings and feeder sizes, NEC 225.30 and E3403. Show a Riser Diagram providing service disconnect of either dwelling without service disruption of another dwelling.
7. 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.

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
05/19/2022 PCAMARE1 ENGINEERING REVIEW Reqs Change This project is within a mapped flood hazard area and requires a Floodplain Use Permit (FUP.)
Please start a new FUP at our permit application web page: https://docs.tucsonaz.gov/Forms/tucsonpermitapp.
Instructions:
Is this for a new or existing activity application? – Please select New Application.

Submission Type – Select Floodplain Use Permit.

Project Name – Enter a name for your project.

Select Street Name from the list. You can type the first two letters or number to get closer to your choice in the list. Then select the rest of the address in the boxes provided.

Type of Permit – Select Commercial or Residential (Residential is for work on single family residences and duplexes.)

Complete the Applicant Info.
Complete the Contractor, Owner and Architect/Engineer sections as applicable.

Supporting Documentation Upload – Provide a complete cost estimate for the project. You may also provide additional documents you think will be helpful.

Sign the application and submit.

You will be given an activity number for your submittal. Please copy and send this number back to us so we can continue the review.