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Chandler City Zoning Code

ARTICLE XXX

A.I.O.—AIRPORT IMPACT OVERLAY DISTRICT4


Footnotes:
--- (4) ---

Editor's note— Article XXX, §§ 35-3000—35-3006, is derived from Ord. No. 1583, § II, adopted and effective Jan. 23, 1986, superseding Ord. No. 1433, § II, adopted Jan. 10, 1985.

Cross reference— Municipal airport, ch. 2A.


35-3000.- Purpose and intent.

The principal purpose of the Airport Impact Overlay District is to promote and protect the public health, safety and general welfare in the vicinity of the Chandler Municipal Airport and Stellar Airpark, by minimizing exposure to high noise levels and accident hazards generated by airport operations and to encourage future development which is compatible with the continued operation of the airports.

In addition, it is the purpose of the Airport Impact Overlay District to minimize future conflicts between land uses and excessive noise generated by aircraft.

The district shall be in addition to, and shall overlay, all other zoning districts where it is applied, so that any parcel of land lying in the Airport Impact Overlay District shall also lie in one (1) or more of the other zoning districts provided for by the Chandler Zoning Code. The effect is to create a new district which has the characteristics and limitations of the overlying district. In any situation where a conflict arises, the more strict regulation(s) shall apply.

It is the intent of this overlay district to regulate land uses within designated existing or projected airport noise impact areas by specifying acoustical performance standards. Nothing herein shall be construed as altering building materials or construction methods from those which are specified in the Uniform Building Code.

It is also the intent of this overlay district to prohibit uses in the landing approach areas (clear zones) that, if otherwise permitted, would endanger lives or invite destruction of property.

(Ord. No. 3063, § 3, 11-18-99)

35-3001. - Establishment of overlay districts and boundaries.

A. Airport Impact Overlay District Boundaries: The Airport Impact Overlay Districts shall be, for the Chandler Municipal Airport, those areas within the City limits of Chandler, described as follows:

Sections 1, 2, 3, 10, 11, 12, 13, 14, and 15 of Township 2 South, Range 5 East of the Gila and Salt River Meridians;

and shall be, for the Stellar Airpark, those areas within the City limits of Chandler, described as follows:

Sections 25, 26, 27, 34, 35 and 36 of Township 1 South, Range 4 East of the Gila and Salt River Meridians.

B. Airport Noise Overlays and Clear Zones: For purposes of administering these regulations, there shall be three (3) airport noise overlay areas, and one (1) clear zone overlay area as identified below, within the Airport Impact Overlay District for both the Chandler Municipal Airport and the Stellar Airpark, respectively. The boundaries for these noise overlays and clear zones shall be as defined in Article II of the Chandler Zoning Code:

(1) Airport Noise Overlay-One (ANO-1): The area between the post-2005 fifty-five (55) Ldn and sixty (60) Ldn noise contour lines developed by the application of day-night average sound level methodology of sound measurement (Ldn).

(2) Airport Noise Overlay-Two (ANO-2): The area between the post-2005 sixty (60) Ldn and seventy (70) Ldn noise contour lines developed by the application of day-night average sound level methodology of sound measurement (Ldn).

(3) Airport Noise Overlay-Three (ANO-3): The area within the post-2005 seventy (70) Ldn and greater noise contour lines developed by the application of day-night average sound level methodology of sound measurement (Ldn).

(4) Clear Zone Overlay (CZO): The area at the end of any runway in which there is a high potential for accidents. This area shall be the same as the clear zones for each runway as defined in Article II of this ordinance.

C. Purpose of Airport Overlay Areas: The purpose of the establishment of four (4) airport overlay areas is to distinguish between the severity of the levels of noise impact and accident potential so that appropriate uses and acoustical performance standards can be established to mitigate the adverse impacts of aircraft noise and hazards to protect the public health, safety and welfare.

D. Lots divided by airport district boundaries: Whenever a lot of record is divided by an airport district boundary, the development shall conform to the land use and design criteria of the more restrictive district in accordance with all City Codes and regulations.

(Ord. No. 3063, § 3, 11-18-99)

35-3002. - Permitted uses.

A. Noise attenuation matrix: Within the Airport Impact Overlay District, there shall be four (4) overlay areas: ANO-1, ANO-2, ANO-3 and CZO. The uses permitted in the overlay areas shall be those uses permitted in the underlying zoning district, and shall be subject to all conditions and procedures of the underlying district. Such uses shall also comply with restrictions of the following noise attenuation matrix, unless a land use category is specifically not permitted in the matrix, in which case such uses classified in the designated land use category shall not be permitted.

NOISE ATTENUATION MATRIX

CODE RESTRICTIONS

No restrictions

 

1 The land use or activity is permitted; however, the level of noise within the principally permitted structures must be reduced by the developer of this land use activity, in accordance with chapter 35, "Sound Transmission Control," of 1979 edition.
2 The land use or activity is permitted; however, a noise level reduction (NLR) of fifteen (15) decibels must be incorporated into the design and construction of those buildings where people live, work, or are otherwise received, in order to achieve a maximum interior noise level of forty-five (45) decibels.
3 The land use or activity is permitted; however, a noise level reduction (NLR) of twenty-five (25) decibels must be incorporated into the design and construction of those buildings where people live, work, or are otherwise received, in order to achieve a maximum interior noise level of forty-five (45) decibels.
4 The land use or activity is permitted when the level of noise does not exceed forty-five (45) decibels within the principally permitted structure unless forty-five (45) decibels is exceeded by self-generated noise.
5 Uses which produce air pollutants that may obscure vision in any way, or which pose a potential explosive hazard, are not permitted.
6 Structures are not permitted in the clear zone.
7 Aboveground transmission lines are not permitted.
8 In order to minimize public exposure to accident hazard and crash potential as generated by aircraft operations, no building shall be located within any portion of a clear zone as defined and designated by this Code. However, such on-site improvements as vehicle parking, stormwater retention, landscaping, and yard setbacks, as otherwise required by this Code or other City Regulation, may be permitted within the designated clear zones. No element of any landscaping shall be allowed to penetrate any clear zone slope or other approach surface.

 

Uses within this category are not permitted.

 

ANO-1 ANO-2 ANO-3 CZO 8
RESIDENTIAL
Single-family, duplex, multi-family, manufactured housing 1, 2
Recreational vehicle parks
Other residential 1, 2
PUBLIC FACILITIES
Educational facilities 1, 2
Religious facilities, libraries, museums, galleries, clubs and lodges 1, 2 1, 3
Outdoor sport events, entertainment and public assembly, except amphitheaters 1, 2
Indoor recreation, amusements, athletic clubs, gyms and spectator events 1, 3
Neighborhood parks
Community and regional parks
Outdoor recreation: tennis, golf courses, riding trails, etc.
Cemeteries
COMMERCIAL
Hotels/motels 1, 2 1, 3
Hospitals and other health care services 1, 2
Services: finance, real estate, insurance, professional and government offices 1, 2 1, 3 1, 4
Retail sales: building materials, farm equipment, automotive, marine, mobile homes, recreational vehicles and accessories 1, 3 1, 4
Restaurants, eating and drinking establishments 1, 3 1, 4
Retail sales: general merchandise, food, drugs, apparel, etc. 1, 3 1, 4
Personal services: barber and beauty shops, laundry and dry cleaning, etc. 1, 3 1, 4
Automobile service stations 1, 4
Repair services 1, 4
INDUSTRIAL
Processing of food, wood and paper products; printing and publishing, warehouses, wholesale and storage activities 4
Refining, manufacturing and storage of chemicals, petroleum and related products, manufacturing and assembly of electronic components, etc. 4
Manufacturing of stone, clay, glass, leather, gravel and metal products; construction and salvage yards; natural resource extraction and processing, agricultural, mills and gins 5 5
AGRICULTURE
Animal husbandry; livestock farming, breeding and feeding; plant nurseries (excluding retail sales)
Farming (except livestock) 6
MISCELLANEOUS
Transportation terminals, utility and communication facilities 7
Vehicle parking
Signs

 

B. Nonconforming uses: Nothing herein shall require any change or alteration in a lawfully constructed or established building, structure, or use in existence at the time of the adoption or amendment of airport district as established in Article XX, "Nonconforming Uses," of this Code.

(Ord. No. 1689, § 1, 9-11-86; Ord. No. 3063, § 3, 11-18-99)

35-3003. - Certification of noise attenuation.

A. Certification: Prior to issuance of a building permit in any airport noise overlay (ANO) area, a certification by an acoustical engineer or registered architect shall be required specifying that the construction practices and/or materials of the structure will achieve the interior noise level required in the noise attenuation matrix. The engineer or architect shall submit relevant information to permit the Building Official to verify that the proposed measures will achieve the interior noise level standard.

B. Inaccurate data: False or inaccurate data shall be cause for rendering null and void any building permit and may result in nonissuance of an occupancy permit.

C. City liability: The City of Chandler, its employees and officers, shall not be held liable for any permit issued on the basis of false information.

(Ord. No. 3063, § 3, 11-18-99)

35-3004. - Avigational easement and release.

Prior to issuance of any building or development permit for property within the Airport Impact District, the owner of said property shall provide the City of Chandler with an avigational easement over the subject property and release the City of Chandler from all liability for any and all claims for damages originating from dust, noise, vibration, fumes, fuel and lubricant particles, etc. The avigational easement and release form shall be available from the City of Chandler.

(Ord. No. 3063, § 3, 11-18-99)

35-3005. - Additional height and safety regulations.

A. Height: The construction or establishment of any building, structure or use shall comply with the height limits as determined by the zoning district identified by the Official Zoning Map of the City of Chandler, or with the height limits specified by the Airport Runway Approach Clearance Map, whichever places the greater restriction.

B. Hazard marking and lighting: The Airport Manager shall determine whether the construction and/or existence of any structure, pole, tower, tank or plant material constitutes a hazard to an aircraft operation in the vicinity of the airport. When such a determination is made, the owner of the structure, pole, tower tank or plant material shall, at his/her own expense, reduce in height or install, operate and maintain such markers and lights as may be necessary to indicate to aircraft operators the presence of an airport hazard.

C. Communications facilities: Any activity within this district which may create an electrical interference with communications between the airport facility and aircraft is prohibited.

(Ord. No. 3063, § 3, 11-18-99)

35-3006. - Administration.

A. Zoning Administrator: The Zoning Administrator shall review all requests for building and development within the Airport Impact Overlay Zone for compliance with this ordinance prior to issuance of any permit.

B. Airport Manager: The Airport Manager shall be informed of all requests for development within the Airport Impact Overlay District. The Zoning Administrator shall forward a copy of all applications, with attendant information, to the Airport Manager prior to issuance of any permits. The Airport Manager shall verify receipt of such information and, within a reasonable time, forward any comments concerning the request to the Zoning Administrator.

(Ord. No. 3063, § 3, 11-18-99)