6.3.2. DETERMINING A USE’S DIMENSIONAL STANDARDS

This article provides the general dimensional standards that apply to principal and for each in the . The standards are intended to protect , , and the privacy of all properties and to minimize negative impacts between . This article also provides the method for measuring the dimensional standards to ensure consistent application of the standards.

6.2. APPLICABILITY

The standards in this article apply to all principal and and uses established in the City of Tucson.

6.3. DIMENSIONAL STANDARDS

6.3.1. ORGANIZATION

The dimensional standards for each are organized into the following tables:

Table Number		Tables
6.3-1	A	Dimensional Standards for the RH, SR, SH, RX-1, & RX-2
6.3-1	B	Exceptions to the RH, SR, SH, RX-1, & RX-2 Dimensional Standards
6.3-2	A	Dimensional Standards for the R-1, R-2, R-3, MH-1, & MH-2
6.3-2	B	Exceptions to the R-1, R-2, R-3, MH-1, & MH-2 Dimensional Standards
6.3-3	A	Dimensional Standards for the O-1, O-2, & O-3
6.3-3	B	Exceptions to the O-1, O-2, & O-3 Dimensional Standards
6.3-4	A	Dimensional Standards for the C-1, C-2, C-3, OCR-1, & OCR-2
6.3-4	B	Exceptions to the C-1, C-2, C-3, OCR-1, & OCR-2 Dimensional Standards
6.3-5	A	Dimensional Standards for the P-I , I-2, & I-2
6.3-5	B	Exceptions to the P-I , I-1, & I-2 Dimensional Standards
6.3-6	A	Dimensional Standards for the OS, IR, P, & RV
6.3-6	B	Exceptions to the OS, IR, P, & RV Dimensional Standards
6.3-7	A	Dimensional Standards for the NC, RVC, & MU
6.3-7	B	Exceptions to the NC, RVC, & MU Dimensional Standards

6.3.2. DETERMINING A USE’S DIMENSIONAL STANDARDS

A. To determine all of a proposed use’s required dimensional standards, refer to the following:

1. The applicable dimensional standard table provided in this article;

2. The applicable exceptions to the dimensional standard provided in this article;

3. The applicable use-specific standards provided in Section 4.9, Use-Specific Standards; and,

4. When applicable, the overlay requirements provided in Article 5, Overlay .

B. When the standards of this Article conflict with other sections of the , the most restrictive applies except as follows. Exception: when the standards of this article conflict with the use-specific standards provided in Article 4, the use-specific standards shall control.

C. Dimensional standards for , , and are provided in Section 6.6.

6.3.3. EXPLANATION AND APPLICABILITY OF TERMS USED IN THE DIMENSIONAL STANDARD TABLES

The following is an explanation and applicability of frequently used terms in the dimensional standard tables:

A. Mobile Home Dwelling

For the purposes of determining the applicable dimensional standards, a mobile home is considered a residential use. See Section 11.3.7.C for the definition of mobile home dwelling.

B. Mobile Home Park

For the purposes of determining the applicable dimensional standards, a mobile home park is considered a nonresidential use. See Section 11.3.7.C.1 for the definition of mobile home park.

C. Multifamily

For the purposes of determining the applicable dimensional standards, multifamily is considered a nonresidential use. See Section 11.3.7.A.3 for the definition of multifamily .

D. Nonresidential Use

For the purposes of determining the applicable dimensional standards, the following uses as defined in Section 11.3 are considered nonresidential uses:

1. A use from the Agricultural, Civic, Commercial, Industrial, Restricted Adult Activities, Retail, Storage, Storage, or Wholesaling Use Groups;

2. Group Dwelling, except as provided in Section 6.3.3.H.7;

3. Multifamily ;

4. Mobile Home Park; and,

5. Residential Care Service Uses, except as provided in Section 6.3.3.H.4.

E. Nonresidential

For the purposes of determining the applicable standard, the following are considered nonresidential : O-1, O-2, O-3, P, RV, NC, RVC, C-1, C-2, C-3, OCR-1, OCR-2, P-I, I-1, and I-2.

The standard is based on whether the proposed use is nonresidential or residential (Sections 6.3.3.D or .H, respectively) and the use’s adjacency to a nonresidential or residential (Sections 6.3.3.E or .I, respectively).

G. Residential

The maximum permitted number of residential per or size. For example:

1/7,000 sf means that no more than one per 7,000 square feet is permitted.

36/ means that no more than 36 per are permitted.

H. Residential Use

For the purposes of determining the applicable dimensional standards, the following uses as defined in Section 11.3.7 are considered residential uses:

1. Duplex;

2. Manufactured Housing;

3. Mobile Home Dwelling;

4. Residential Care Service uses located or locating in an existing residential use as defined by this section;

5. Single- Dwelling, Attached;

6. Single- Dwelling, Detached; and,

7. Single- Dwellings that meet the nonconforming group dwelling criteria in accordance with Section 4.9.7.B.9.

I. Residential

For the purposes of determining the applicable standard, the following are considered residential : OS, IR, RH, SR, SH, RX-1, RX-2, R-1, R-2, R-3, MH-1, MH-2, MU, PAD, and PCD.

J. Single- (SF) Use

The same uses as provided in Section 6.3.3.H, Residential Use.

6.3.4. DIMENSIONAL STANDARD AND EXCEPTIONS TABLES

TABLE 6.3-1.A: DIMENSIONAL STANDARDS FOR THE RH, SR, SH, RX-1, & RX-2 ZONES

TABLE 6.3-1.B: EXCEPTIONS TO THE RH, SR, SH, RX-1, & RX-2 DIMENSIONAL STANDARDS

TABLE 6.3-2.A: DIMENSIONAL STANDARDS FOR THE R-1, R-2, R-3, MH-1, & MH-2 ZONES

TABLE 6.3-2.B: EXCEPTIONS TO THE R-1, R-2, R-3, MH-1, & MH-2 DIMENSIONAL STANDARDS

TABLE 6.3-3.A: DIMENSIONAL STANDARDS FOR THE O-1, O-2, & O-3 ZONES

TABLE 6.3-3.B: EXCEPTIONS TO THE O-1, O-2, & O-3 DIMENSIONAL STANDARDS

TABLE 6.3-4.A: DIMENSIONAL STANDARDS FOR THE C-1, C-2, C-3, OCR-1, & OCR-2 ZONES

TABLE 6.3-4.B: EXCEPTIONS TO THE C-1, C-2, C-3, OCR-1, & OCR-2 DIMENSIONAL STANDARDS

TABLE 6.3-5.A: DIMENSIONAL STANDARDS FOR THE P-I, I-2, & I-2 ZONES

TABLE 6.3-5.B: EXCEPTIONS TO THE P-I, I-1, & I-2 DIMENSIONAL STANDARDS

TABLE 6.3-6.A: DIMENSIONAL STANDARDS FOR THE OS, IR, P, & RV ZONES

TABLE 6.3-6.B: EXCEPTIONS TO THE OS, IR, P, & RV DIMENSIONAL STANDARDS

TABLE 6.3-7.A: DIMENSIONAL STANDARDS FOR THE NC, RVC, & MU ZONES

TABLE 6.3-7.B: EXCEPTIONS TO THE NC, RVC, & MU DIMENSIONAL STANDARDS

TABLE 6.3-1.A: DIMENSIONAL STANDARDS FOR THE RH, SR, SH, RX-1, & RX-2

Note: Several variables factor into determining a use’s required dimensional standards. See Section 6.3.2, Determining a Use’s Dimensional Standards, for further details.

Dimensional Standard
Dimensional Standard	RH	SR	SH	RX-1	RX-2
Residential (maximum)	1/180,000 sf	1/144,000 sf	2/36,000 sf	1/36,000 sf	1/16,000 sf
/ (minimum)	180,000 sf	144,000 sf	36,000 sf	36,000 sf	16,000 sf
(maximum)	Res: N/A Nonres: 20%	Res: N/A Nonres: 15%	Res: N/A Nonres: 15%	Res: N/A Nonres: 15%	Res: N/A Nonres: 15%
Height (maximum)	30'	30'	30'	30'	25'
[Standard based on the proposed use’s adjacency to a residential or nonresidential or ]
	Section 6.4.5.C	Section 6.4.5.C	Section 6.4.5.C	Section 6.4.5.C	Section 6.4.5.C
Res Use Res	25'	25'	20'	20'	20'
Res Use Nonres	(H)	(H)	(H)	(H)	(H)
Nonres Use Res	4(H)	4(H)	20'	20'	20'
Nonres Use Nonres	0'	0'	0'	0'	0'

Key:

(H) = Height of the proposed exterior wall

MF = Multifamily (Section 6.3.3.C)

MH = Mobile Home Dwelling (Section 6.3.3.A)

MH Park = Mobile Home Park (Section 6.3.3.B)

N/A = Not Applicable

Nonres = Nonresidential (Section 6.3.3.D or .E, whichever is applicable)

Res = Residential (Section 6.3.3.H or .I, whichever is applicable)

SF = Single- Use (Section 6.3.3.J)

sf = square feet

= to

TABLE 6.3-1.B: EXCEPTIONS TO THE RH, SR, SH, RX-1, & RX-2 DIMENSIONAL STANDARDS

	Use	Exceptions to the ’s Dimensional Standard
RH	• Production, limited to stable or riding school (P) • Travelers’ Accommodations, Lodging (S)	(min.) = 10 (max.) = 10%
RH	Renewable Energy Production (S)	(min.) = 0 (max.) = N/A Height (max.) = 16' Nonres Use to Nonres (min.) = (H)
SR	Golf Course (P)	(min.) = 30
	• Production, limited to commercial stables (P) • Travelers’ Accommodation, Lodging (P)	(min.) = 10
	• Communications, limited to wireless communication and (S) • Day care: Child Care (P and S) • Distribution system (S) • Parks and Recreation (P) • Religious Use (P)	(max.) = 50%
	Renewable Energy Generation (S)	(min.) = 0 (max.) = N/A Height (max.) = 16' Nonres Use to Nonres (min.) = (H)
	Protective Service (P - government owned and operated only)	(max.) = 50% Height (max.) = 25'

	Use	Exceptions to the ’s Dimensional Standard
SH	Golf Course (P)	(min.) = 30 Nonres Use to Res (min.) = 4(H)
	• Production, limited to commercial stables (P)	(min.) = 10
	• Travelers’ Accommodation, Lodging (P)	Nonres Use to Res (min.) = 4(H)
	Service (P)	(min.) = 144,000 sf Nonres Use to Res (min.) = 4(H)
	Cemetery (S)	(min.) = 1 (max.) = 20% Nonres Use to Res (min.) = 4(H)
	• Communications (P) • Parks and Recreation (P) • Religious Use (P)	(max.) = 50% 7
	Motion Picture Industry (S)	(min.) = 36 Nonres Use to Res (min.) = 4(H)
	Renewable Energy Generation (S)	(min.) = 0 (max.) = N/A Height (max.) = 16' Nonres Use to Nonres (min.) = (H)
	Protective Service (P - government owned and operated only)	(max.) = 50% Height (max.) = 25'

	Use	Exceptions to the ’s Dimensional Standard
RX-1	Golf Course (P)	(min.) = 30 Nonres Use to Res (min.) = 4(H)
	Travelers’ Accommodation, Lodging (P)	(min.) = 10 Nonres Use to Res (min.) = 4(H)
	Renewable Energy Generation (S)	(min.) = 0 (max.) = N/A Height (max.) = 16' Nonres Use to Nonres (min.) = (H)
RX-2	Golf Course (P)	(min.) = 30 Nonres Use to Res (min.) = 4(H)
	Educational Use: Elementary and Secondary School (P and S)	Nonres Use to Nonres (min.) = (H)
	Crop Production (P)	(max.) = 50%
	Renewable Energy Generation (S)	(min.) = 0 (max.) = N/A Height (max.) = 16' Nonres Use to Nonres (min.) = (H)

Key:

Max. = Maximum permitted

Min. = Minimum requirement

P = Permitted Use

S = Special Exception Use

Uses without a “P” or “S” indicates that the use is permitted in the

(Am. Ord. 11070, 5/14/2013)

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