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Permit Number: T21CM09186
Parcel: 11820073R

Address:
1420 S 9TH AV

Review Status: Completed

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

Permit Number - T21CM09186
Review Name: RESIDENTIAL - BLDG/ZONING/ENGINE/NPPO
Review Status: Completed
Review Date Reviewer's Name Type of Review Description Status Comments
01/10/2022 JPEELDA1 FIRE REVIEW Approved
12/27/2021 STEVE SHIELDS ZONING REVIEW Reqs Change PDSD TRANSMITTAL

FROM: PDSD Zoning Review

PROJECT: T21CM09186
331 W 24th St – R-3
2nd Dwelling Unit (1st Review)

TRANSMITTAL DATE:

This site is located in the R-3 zone (UDC 4.7.12). 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. The property dimensions shown on the plan are not correct, review the Mi Casita plat and provide the correct property dimensions. Based on current aerial photos there two (2) structures located along the east property that are not shown on the plan. Show the structures on the plan and include in the lot coverage calculation. If they have been removed from the site provide photos.

2. The legal description provided on the plan is not correct and should be listed as “E110' N175.18' S525.58' NW4 NW4 .44 AC SEC 24-14-13”.

3. The “DENSITY CALCULATION” is not correct and should be “0.44 ACRES x 36 = 15 UNITS ALLOWED, 2 UNITS PROPOSED”, see UDC Article 6.4.7.B.2.a.

4. The lot coverage calculation is not complete, provide the percentage of lot coverage. It appears the lot coverage percentage was provided under the density calculation.

If you have any questions about this transmittal, please contact Elisa Hamblin at Elisa.Hamblin@tucsonaz.gov.
12/27/2021 KEN VAN KARSEN BUILDING-RESIDENTIAL REVIEW Reqs Change T21CM09186
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 requires a separate Pima County assigned street address, R319. Show all dwelling addresses on the site plan.

GENERAL COMMENTS:

1. 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.
2. 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. Completed.
3. 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
4. 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 the HCS connection and building drain line on the addressed property and easement.

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 manufacturer’s calculations and data for pre-engineered trusses dated and wet-sealed by an engineer who is registered in Arizona, or notate the requirement for deferred submittal, R106.1.
3. Show the location of a minimum 22” x 30” attic access. Attic access is required for areas exceeding 30 SQ FT with a minimum of 30” of headroom and located in a hallway or readily accessible space, R807.1.

SECTIONS - DETAILS:

1. Attic space requires a ventilation calculation for showing the attic vent opening size using 1 to 150 of attic area in compliance with R806.2. Provide appropriate upper and lower space vents when applying the reduced area calculation.

PLUMBING PLANS:

1. Show gas pipe sizes in compliance with connected demand, G2413.3 & Table G2413.4(1). Provide a gas line isometric or table for showing the BTU demand and length of line to each gas appliance.

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 of 1501 – 3000 SF requires a 60 CFM continuous setting.

ELECTRICAL PLANS:

1. 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) 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
12/27/2021 SBLOOD1 ENGINEERING REVIEW Passed