Attachment E - PC Summary - Z-TA-2-25-Y.pdf

City of Phoenix — Formal (2025-07-02)

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REPORT OF PLANNING COMMISSION ACTION 
June 5, 2025 
ITEM NO: 3 
DISTRICT NO.: Citywide 
SUBJECT:
Application #: 
Z-TA-2-25-Y (Companion Case GPA-2-25-Y)
Location:
Citywide
Proposal: 
Amend the Phoenix Zoning Ordinance Chapter 2, Section 202 (Definitions) 
to add a definition for data centers; amend Chapter 5, Section 507 Tab 
A.II.D (Guidelines for Design Review, City-Wide Design Review
Guidelines, Specialized Uses) to modify the section title and add design
standards for data centers; and amend Chapter 6, Section 647 (Special
Permit Uses), Section 647.A.2 to add data centers within the C-2
(Intermediate Commercial), C-3 (General Commercial), CP/GCP
(Commerce Park/General Commerce Park), A-1 (Light Industrial), and A-2
(Industrial) zoning districts, with a Special Permit and performance
standards.
Applicant:
City of Phoenix Planning Commission 
Representative: 
City of Phoenix, Planning and Development Department 
ACTIONS: 
Staff Recommendation: Approval, per the staff memo dated June 4, 2025. 
Village Planning Committee (VPC) Recommendation: 
Ahwatukee Foothills 5/19/2025 Denial. Vote: 10-0. 
Alhambra 5/20/2025 Denial. Vote: 11-0. 
Camelback East 6/3/2025 Denial, with direction. Vote: 17-0. 
Central City 5/12/2025 Approval, with direction. 8-1-1. 
Deer Valley 5/20/2025 No quorum. 
Desert View 6/3/2025 Denial, with direction. Vote 11-0. 
Encanto 6/2/2025 Denial. Vote 13-0-1. 
Estrella 5/20/2025 Approval, with direction and a modification. Vote: 4-0. 
Laveen 5/12/2025 Approval, with direction. Vote: 13-0. 
Maryvale 5/14/2025 Approval. Vote: 13-0. 
North Gateway 5/8/2025 Approval. Vote: 8-0. 
North Mountain 5/21/2025 Denial, with direction. Vote: 12-0-1. 
Paradise Valley 6/2/2025 Approval, with a modification. Vote: 8-5-1. 
Rio Vista 5/13/2025 Denial, with direction. Vote: 3-2. 
South Mountain 5/13/2025 Approval, with direction. Vote: 14-1-1. 
Planning Commission Recommendation: Approval, per the staff memo dated June 4, 2025, with 
direction. 
Motion Discussion: 
Commissioner Matthews made a MOTION to approve Z-TA-2-25-Y, per the staff memo dated 
June 4, 2025. Commissioner James seconded that motion. 
Vice-Chairman Boyd proposed an AMENDED MOTION to include direction to evaluate issues 
with decibel level restrictions, allowance in Commerce Park zoning, co-location of data centers 
ATTACHMENT E

and the 10% size reduction, and grandfathered use and 207 waivers. Commissioner Gorraiz 
seconded the motion to amend. 
 
Chairperson Busching asked if they would be amenable to adding direction to also evaluate 
heat mitigation and a de-minimus exception. 
 
Vice-Chairperson Boyd and Commissioner Gorraiz agreed. 
 
Motion details: Vice-Chairperson Boyd made a MOTION to approve Z-TA-2-25-Y per the staff 
memo dated June 4, 2025, with direction to evaluate issues with decibel level restrictions, 
allowance in Commerce Park zoning, co-location of data centers and the 10% size reduction, 
grandfathered use and 207 waivers, heat mitigation, and a de-minimus exception. 
 
 
Maker: Vice-Chairperson Boyd 
 
Second: Gorraiz 
 
Vote: 9-0 
 
 
Absent: None.  
  
 
Opposition Present: Yes. 
 
Findings: This text amendment will create a process for data centers to be proposed and 
evaluated through a public hearing process. The text amendment will provide standards to 
address major concerns that data centers cause. 
 
Proposed Language:  
 
Amend Chapter 2, Section 202 (Definitions) to add a definition for data centers. 
 
 
Section 202. Definitions. 
 
*** 
 
DATA CENTER: A FACILITY USED PRIMARILY FOR DATA SERVICES, INCLUDING THE 
STORAGE, PROCESSING, MANAGEMENT, AND TRANSMISSION OF DIGITAL DATA. A 
FACILITY SHALL NOT BE CONSIDERED A DATA CENTER WHEN IT DOES NOT EXCEED 
10% OF THE GROSS FLOOR AREA OF ALL ON-SITE BUILDINGS; IS USED TO SERVE THE 
ENTERPRISE FUNCTIONS OF THE ON-SITE PROPERTY OWNER; AND IS NOT USED TO 
LEASE DATA SERVICES TO THIRD PARTIES. 
 
*** 
 
 
Amend Chapter 5, Section 507 Tab A.II.D (Guidelines for Design Review, City-Wide Design 
Review Guidelines, Specialized Uses) to modify the section title and add design standards 
for data centers, and to read as follows: 
 
Section 507 Tab A. Guidelines for design review. 
 
***

II. 
CITY-WIDE DESIGN REVIEW GUIDELINES. The design review guidelines indicate 
specific standards of implementation and are categorized as Requirements (R), 
Presumptions (P), or Considerations (C). INDICATED WITH THE MARKERS (R), (R*), (P), 
(T), AND (C) SHALL BE APPLIED AND ENFORCED IN THE SAME MANNER AS 
INDICATED IN SECTION 507. ITEMS NOT INDICATED WITH AN (R), (R*), (P), (T), AND 
(C) SHALL BE TREATED AS (R). 
 
*** 
 
 
D. 
Specialized Uses. 
 
 
 
*** 
 
 
 
 
 
5. 
DATA CENTERS. 
 
 
 
 
*** 
 
 
 
5.1. 
SETBACKS.  ALL MECHANICAL EQUIPMENT, INCLUDING BUT 
NOT LIMITED TO ELECTRICAL TRANSFORMERS AND 
GENERATORS, SHALL BE SET BACK A MINIMUM OF 150 
FEET FROM ABUTTING RIGHT-OF-WAY OR RESIDENTIALLY 
ZONED PROPERTY; IN ADDITION TO THE FOLLOWING: (R*) 
 
 
 
 
 
 
 
 
 
5.1.1. THE EQUIPMENT MUST BE FULLY SCREENED BY A 
BUILDING THAT IS VISUALLY INTEGRATED WITH THE 
DESIGN OF THE OVERALL DEVELOPMENT; OR 
 
 
 
 
 
 
 
 
 
 
5.1.2 THE EQUIPMENT MUST BE FULLY SCREENED BY A 
DECORATIVE SCREEN WALL HAVING VARIATIONS IN 
COLORS, MATERIALS, PATTERNS, TEXTURES, 
AND/OR AN ART INSTALLATION SUCH AS A MURAL. 
 
 
 
 
 
 
 
 
 
RATIONALE: GROUND EQUIPMENT SHOULD BE ENCLOSED 
AND SET BACK TO PROVIDE VISUAL SCREENING AND 
REDUCE NOISE LEVELS. 
 
 
 
 
 
 
 
 
5.2. 
LANDSCAPE SETBACK. A MINIMUM 30-FOOT WIDE 
PERIMETER LANDSCAPE SETBACK SHALL BE PROVIDED, 
SUBJECT TO THE FOLLOWING: 
 
 
 
 
 
 
 
 
 
5.4.1. TWO STAGGERED ROWS OF LARGE CANOPY SHADE 
TREES PLANTED 20 FEET ON CENTER OR IN 
EQUIVALENT GROUPING SHALL BE PROVIDED, AS 
APPROVED BY THE PDD LANDSCAPE ARCHITECT. (T) 
 
 
 
 
 
 
 
 
 
 
5.4.2 FIVE 5-GALLON SHRUBS PER TREE SHALL BE 
PROVIDED, AT A MINIMUM. (T) 
 
 
 
 
 
 
 
 
 
 
5.4.3 GROUNDCOVERS SHALL BE PROVIDED TO 
SUPPLEMENT THE TREES AND SHRUBS SO THAT A 
MINIMUM 75% LIVE COVERAGE IS ATTAINED. (T)

RATIONALE: AN ENHANCED LANDSCAPE SETBACK WITH A 
DENSE NUMBER OF TREES AND SHRUBS HELPS TO 
MITIGATE NEGATIVE VISUAL IMPACTS. 
 
 
 
 
 
 
 
 
 
 
5.3. 
ARCHITECTURE. 
 
 
 
 
 
 
 
 
 
 
5.3.1. BUILDING FACADES THAT EXCEED 100 FEET SHOULD 
CONTAIN ARCHITECTURAL EMBELLISHMENTS AND 
DETAILING SUCH AS TEXTURAL CHANGES, 
PILASTERS, OFFSETS, RECESSES, WINDOW 
FENESTRATION (INCLUDING FAUX WINDOWS), 
SHADOW BOXES, AND OVERHEAD/CANOPIES. (P) 
 
 
 
 
 
 
 
 
 
 
5.3.2. ALL SIDES OF A BUILDING/STRUCTURE SHOULD 
PROVIDE AN ENHANCED DESIGN INCLUDING A 
VARIATION IN COLORS, MATERIALS, PATTERNS, 
TEXTURES, HEIGHT, WINDOWS (INCLUDING FAUX 
WINDOWS), ARTICULATION, AND/OR ART 
INSTALLATIONS. (P) 
 
 
 
 
 
 
 
 
 
 
5.3.3. EACH MAIN ENTRANCE SHOULD INCLUDE A FEATURE 
THAT DIFFERENTIATES IT FROM THE REMAINDER OF 
THE BUILDING FACADE BY A CHANGE IN BUILDING 
MATERIAL, PATTERN, TEXTURE, COLOR, AND/OR 
ACCENT MATERIAL, AND THAT PROJECTS OR IS 
RECESSED FROM THE ADJOINING BUILDING PLANE. 
(P) 
 
 
 
 
 
 
 
 
 
 
5.3.4. ARCHITECTURAL DESIGN SHOULD TAKE INTO 
ACCOUNT THE SOLAR CONSEQUENCES OF BUILDING 
HEIGHT, BULK, AND AREA. (C) 
 
 
 
 
 
 
 
 
 
 
RATIONALE: DATA CENTER BUILDINGS SHOULD INCLUDE 
ENHANCED ARCHITECTURAL DESIGN FEATURES IN ORDER 
TO PROVIDE VISUAL INTEREST, TO BREAK UP THE MASS OF 
THE BUILDING/STRUCTURE AND TO PROVIDE AN 
ENHANCED DESIGN INTERFACE WHERE VISIBLE FROM A 
RIGHT-OF-WAY AND/OR RESIDENTIALLY ZONED PROPERTY. 
 
 
 
 
 
 
 
 
 
5.4. 
STREETSCAPE. FOR EACH STREET FRONTAGE, A MINIMUM 
6-FOOT-WIDE DETACHED SIDEWALK SEPARATED FROM 
THE CURB BY A MINIMUM 8-FOOT-WIDE LANDSCAPE STRIP, 
SUBJECT TO THE FOLLOWING: 
 
 
 
 
 
 
 
 
 
 
5.4.1. SINGLE-TRUNK, LARGE CANOPY SHADE TREES, 
PLANTED 20 FEET ON CENTER OR IN EQUIVALENT 
GROUPINGS, SHALL BE PROVIDED ON BOTH SIDES 
OF THE SIDEWALK AND PROVIDE A MINIMUM OF 75% 
SHADE. (T)

5.4.2 A MIXTURE OF SHRUBS, ACCENTS, AND VEGETATIVE 
GROUNDCOVERS WITH A MAXIMUM MATURE HEIGHT 
OF TWO FEET SHALL BE DISTRIBUTED THROUGHOUT 
THE LANDSCAPE AREAS TO ACHIEVE A MINIMUM OF 
75% LIVE COVERAGE. (T) 
 
 
 
 
 
 
 
 
 
 
5.4.3 ALL NEW OR RELOCATED ELECTRIC LINES 12 KV AND 
SMALLER, COMMUNICATIONS AND CABLE 
TELEVISION AND ALL ON PREMISE WIRING SHALL BE 
PLACED UNDERGROUND IN ALL DEVELOPMENTS 
WHERE VISIBLE FROM STREETS OR ADJOINING 
PROPERTIES EXISTING OVERHEAD UTILITIES WITHIN 
THE RIGHTS-OF-WAY ABUTTING THE DEVELOPMENT 
SHALL BE PLACED UNDERGROUND, UNLESS 
OTHERWISE APPROVED THROUGH A TECHNICAL 
APPEAL. (T) 
 
 
 
 
 
 
 
 
 
 
RATIONALE: AN ENHANCED STREETSCAPE HELPS TO 
SOFTEN THE EDGE OF THE DEVELOPMENT OF A LARGER 
NON-RESIDENTIAL USE. 
 
 
 
 
 
 
 
 
5.5. 
SHADE.  
 
 
 
 
 
 
 
 
 
5.5.1. ALL ON-SITE PEDESTRIAN PATHWAYS SHOULD BE 
SHADED A MINIMUM OF 75% BY A STRUCTURE, 
LANDSCAPING, OR A COMBINATION OF THE TWO. (P) 
 
 
 
 
 
 
 
 
 
 
5.5.2 DEDICATED MULTI-USE TRAILS ADJACENT TO THE 
SITE SHOULD BE SHADED A MINIMUM OF 50% AT 
TREE MATURITY. (P) 
 
 
 
 
 
 
 
 
 
RATIONALE: ENHANCED PEDESTRIAN COMFORT SHOULD 
BE PRIORITIZED ADJACENT TO AND WITHIN DATA CENTER 
DEVELOPMENTS ACROSS THE CITY. 
 
*** 
Amend Chapter 6, Section 647 (Special Permit Uses), Section 647.A.2 to add data centers within 
the C-2 (Intermediate Commercial), C-3 (General Commercial), CP/GCP (Commerce 
Park/General Commerce Park), A-1 (Light Industrial) and A-2 (Industrial) zoning districts, with 
performance standards to read as follows: 
 
Section 647. Special Permit Uses. 
 
*** 
 
 
2. 
A special permit may be granted by the Council upon recommendation of the 
Commission to establish the following uses in the use districts named: 
 
 
 
*** 
 
 
 
 
 
KK. 
DATA CENTERS IN THE C-2, C-3, CP/GCP, A-1 AND A-2 ZONING 
DISTRICTS, SUBJECT TO THE FOLLOWING:

(1) 
THE DEVELOPMENT SHALL BE NO CLOSER THAN 2,640 
FEET FROM AN APPROVED HIGH-CAPACITY TRANSIT 
STATION. 
 
 
 
 
 
 
 
 
(2) 
PRELIMINARY SITE PLAN APPROVAL WILL NOT BE GRANTED 
FOR A DATA CENTER UNTIL SUCH TIME THAT A LOCAL 
UTILITY COMPANY CONFIRMS IN WRITING WITH A “WILL-
SERVE” LETTER PROVIDES A CONTRACTUAL AGREEMENT 
THAT IT CAN AFFIRMS ITS CAPACITY AND COMMITMENT TO 
SERVE THE ENERGY DEMAND WITHIN TWO YEARS FOR THE 
PROPOSED DATA CENTER.  THE LETTER AGREEMENT 
FROM THE UTILITY COMPANY SHALL BE SUBMITTED TO 
PDD CONCURRENT WITH THE PRELIMINARY SITE PLAN. 
 
 
 
 
 
 
 
 
(3) 
THE FOLLOWING SHALL APPLY WHEN THE SITE IS LOCATED 
WITHIN 300 FEET OF A RESIDENTIAL ZONING DISTRICT: 
 
 
 
 
 
 
 
 
 
(a) 
PRELIMINARY SITE PLAN APPROVAL FOR A DATA 
CENTER SHALL NOT BE GRANTED UNLESS IT HAS 
BEEN DEMONSTRATED THAT THE DATA CENTER, 
INCLUDING ALL ON-SITE MECHANICAL EQUIPMENT 
AND FACILITIES, WILL NOT EXCEED THE EXISTING 
AMBIENT NOISE LEVEL FOR THE SITE BY MORE THAN 
5% OR A SPECIFIC NOISE STANDARD MAY BE 
STIPULATED AS A CONDITION OF AN APPROVED 
SPECIAL PERMIT. 
 
 
 
 
 
 
 
 
 
 
(b) 
TO DETERMINE COMPLIANCE WITH THE PRIOR 
SUBSECTION, THE DEVELOPER SHALL SUBMIT A 
NOISE STUDY TO PDD PRIOR TO OR CONCURRENT 
WITH THE PRELIMINARY SITE PLAN.  THE NOISE 
STUDY SHALL BE PERFORMED BY A THIRD-PARTY 
ACOUSTICAL ENGINEER TO DOCUMENT BASELINE 
NOISE LEVELS IN THE AREA OF THE PROPOSED 
DATA CENTER, INCLUDING NOISE LEVELS 
MEASURED AT THE PROPERTY LINE OF THE 
NEAREST RESIDENTIAL ZONING DISTRICT TO THE 
PROPOSED DATA CENTER PROPERTY.  
 
 
 
 
 
 
 
 
 
 
(c) 
UPON APPROVAL OF THE NOISE STUDY, THE 
METHODS PROPOSED TO MITIGATE NOISE SHALL BE 
STIPULATED AS A CONDITION OF FINAL SITE PLAN 
APPROVAL. A FINAL CERTIFICATE OF OCCUPANCY 
SHALL NOT BE ISSUED IF THE AMBIENT NOISE 
EXCEEDS THE PRIOR EXISTING NOISE LEVEL BY 
MORE THAN 5%.

(4) 
THESE REGULATIONS AND THE DESIGN GUIDELINES SET 
FORTH IN SECTION 507 TAB A.II.D.5., DATA CENTERS ARE 
NOT APPLICABLE TO DATA CENTERS WHICH HAVE 
RECEIVED FINAL SITE PLAN APPROVAL; OR A DATA CENTER 
USE THAT IS SPECIFICALLY LISTED AS A PERMITTED USE 
OR SPECIFICALLY DISCUSSED IN A COUNCIL ADOPTED 
PLANNED UNIT DEVELOPMENT NARRATIVE PRIOR TO [THE 
EFFECTIVE DATE OF THIS ORDINANCE]. OTHERWISE, THE 
DEVELOPMENT IS SUBJECT TO THESE REGULATIONS AND 
ALL APPLICABLE DESIGN GUIDELINES SET FORTH IN 
SECTION 507 TAB A, INCLUDING THOSE FOR SECTION II.D.5, 
DATA CENTERS. 
 
 
 
 
*** 
 
This publication can be made available in alternate format upon request. Please contact 
Saneeya Mir at 602-686-6461, saneeya.mir@phoenix.gov, TTY: Use 7-1-1.