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Permit Number: T21CM09219
Parcel: 113103090

Address:
1700 E WATER ST

Review Status: Completed

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

Permit Number - T21CM09219
Review Name: RESIDENTIAL - BLDG/ZONING/ENGINE/NPPO
Review Status: Completed
Review Date Reviewer's Name Type of Review Description Status Comments
12/08/2021 SBLOOD1 ENGINEERING REVIEW Passed
12/13/2021 STEVE SHIELDS ZONING REVIEW Reqs Change ZONING REVIEW TRANSMITTAL

FROM: PDSD Zoning Review

PROJECT:
T21CM09219
1700 E Water St - R-1
2nd Dwelling Unit (1st Review)

TRANSMITTAL: December 13, 2021

This site is located in the R-1 zone (UDC 4.7.8). A single-family residence (SFR) is a permitted use in this zone (Table 4.8-2). See Use-Specific Standards 4.9.7.B.1 - .9, & .11.

1. Unified Development Code (UDC) TABLE 4.8-2: PERMITTED USES - URBAN RESIDENTIAL ZONES, R-1 Zone and TABLE 6.3-2.A: DIMENSIONAL STANDARDS FOR THE R-1, R-2, R-3, MH-1, & MH-2 ZONES, R-1 Zone the minimum lot size to allow two (2) dwelling units is 10,000 sq. ft. To permit the propose 2nd dwelling unit a Rezoning is required.

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 a wall height of 11’-8” the required perimeter yard setback from the proposed SFR to the west property line is 7’-10”, proposed setback is 7’-0”. A Design Development Option (DDO) must be submitted and approved to reduce the required 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.

3. Provide a floor plan for the existing residence on the plan so that Zoning can verify if the requirements of UDC Article 4.9.7.B.7 are applicable to this project.

4. Per UDC Article 4.9.7.B.3 One dwelling must be at least 25% smaller than the other dwelling. It does not appear that the proposed guest house meets this requirement a Board of Adjustment may be required.

5. The minimum setback to a side street property line is ten (10) feet (UDC Section 6.4.5.C.1.b). The proposed side street setback is 6’-0”. At a minimum a Design Development Option (DDO) is required. If you elect to do the Board of Adjustment the setback reduction can be included in Variance process.

6. 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 a dimension form design grade to where the wall hits the eave and the peak of the roof for the south elevation so that setback requirements can be verified.

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 T21CM09219
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 all dwelling addresses on the site plan or remove kitchen appliances.

GENERAL COMMENTS:

1. 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 without dependance on another dwelling.

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 an upgraded water meter size.

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 bedroom dwelling under 1501 SF requires a 45 CFM continuous setting.

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.
2. Show a dual service meter on a Riser Diagram for the close dwelling and the feeder size to the detached dwelling service panel, NEC 225.30 and E3403.
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”, 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