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Permit Number: T21CM08268
Parcel: 130151690

Review Status: Completed

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

Permit Number - T21CM08268
Review Name: RESIDENTIAL - BLDG/ZONING/ENGINE/NPPO
Review Status: Completed
Review Date Reviewer's Name Type of Review Description Status Comments
10/22/2021 WBERGER1 ZONING REVIEW Reqs Change PDSD TRANSMITTAL

FROM: Wyatt Berger
Planner

PROJECT: T21CM08268
4534 E Sylvane St
New guest house (1st Review)

TRANSMITTAL DATE: October 22, 2021

This site is located in the R-1 zone (UDC 4.7.8). A single-family residence is permitted use in this zone (Table 4.8-2) subject to Use Specific Standards 4.9.7.B.5-.9.

1. A guest house (second dwelling unit) on an R-1 zone with less than 10,000 square feet is not permitted. This can be corrected by removing the stove in the next plan submittal, making the proposed structure a sleeping quarters.
2. The minimum setback is the greater of six (6) feet, or two-thirds (2/3) the height of the structure's wall facing each interior property line (Table 6.3-2.A). Based on the provided elevations (10 feet), the required setback would be 6'-8"; proposed is 4'-0". A Design Development Option (DDO) will be required. More information on the DDO process can be found at this link: https://www.tucsonaz.gov/files/pdsd/forms/DDO_for_Setback_and_Height_UDC_8.11.20.pdf.
3. An R-1 site with five or more total bedrooms proposed is required to provide all parking in the side or rear yard. Please indicate parking spaces on the next submittal.
4. Please provide updated lot coverage calculations in consideration of the proposed sleeping quarters.

If you have any questions about this transmittal, please contact Wyatt Berger at Wyatt.Berger@tucsonaz.gov or at (520)837-4951.
10/22/2021 WBERGER1 ENGINEERING REVIEW Passed
11/10/2021 KEN VAN KARSEN BUILDING-RESIDENTIAL REVIEW Reqs Change T21CM08268
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.

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. A dwelling unit 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 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. All construction drawings submitted after June 1, 2010 for one- or two-family dwellings must consider gray water utilization or preparation, Ordinance #10579/11089 revised July 9, 2013. Property with 200 to 400 SF of available distribution area requires piping for one gray water fixture, and a property with over 400 SF requires complete compliance. Notate “Gray water provision not required only when property has less than 200 SF available for gray water distribution.” Remove the ineffective gray water piping system.
7. 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.

SITE PLAN:

1. Indicate the location of buildings, utility meters and gas, water, electric and sewer or septic lines from property line to building, R106.1.1. Show all utility point of connections.

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. 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.

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. 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.
5. Show a smoke alarm in each bedroom and outside in the immediate vicinity, R314.3.
6. 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.
7. Show or notate a disconnect means or a locking breaker for the water heater, E4101.5.

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.

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