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Permit Number: T22CM02932
Parcel: 11621031A

Review Status: Completed

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

Permit Number - T22CM02932
Review Name: RESIDENTIAL - BLDG/ZONING/ENGINE/NPPO
Review Status: Completed
Review Date Reviewer's Name Type of Review Description Status Comments
04/21/2022 STEVE SHIELDS ZONING REVIEW Approved
04/21/2022 SSHIELD1 ENGINEERING REVIEW Passed
04/21/2022 SSHIELD1 NPPO REVIEW Passed
04/25/2022 GSLEIGH1 PIMA COUNTY - ADDRESSING PIMA COUNTY - ADDRESSING Completed RESOLVED Applicant must update unit information with Pima County Addressing - each dwelling must be assigned a unique address.
05/05/2022 KEN VAN KARSEN BUILDING-RESIDENTIAL REVIEW Reqs Change T22CM02932
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 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. 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.

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 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 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 the meter panel to the more distant dwelling.
2. Update the Riser Diagram for the close dwelling and the feeder size to the detached dwelling panel, NEC 225.30 and E3403. Show a Riser Diagram providing service disconnect of either dwelling without service disruption of the other dwelling.
3. 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.

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