Division 19.22 — GENERAL PERFORMANCE STANDARDS

This Division provides performance standards that are designed to minimize various potential operational impacts of development and new land uses within the City, and promote compatibility with adjoining areas and land uses.

(Ord. No. 1576, § 2 (Exh. A, amd.), 10-23-2012)

The provisions of this Division apply to all new and existing land uses, including permanent and temporary uses, in all zoning districts unless an exemption is specifically provided. Existing uses on the effective date of this Division shall not be altered or modified thereafter to conflict with these standards.

(Ord. No. 1576, § 2 (Exh. A, amd.), 10-23-2012)

Uses, activities, and processes shall not be operated to produce electric and/or magnetic fields that adversely affect the public health, safety, and general welfare of the community, including interference with normal radio, telephone, or television reception from off the premises where the activity is conducted.

(Ord. No. 1576, § 2 (Exh. A, amd.), 10-23-2012)

Electrical and mechanical equipment (e.g., air conditioners, antennas, filters, heating and ventilation equipment, pumps, transformers, etc.) shall not be located and operated to disturb adjoining uses or activities. Electrical and mechanical equipment located within 15 feet of a side property line in a residential zoning district shall be sound attenuated to the maximum noise levels described in Table 3-5 in a manner acceptable to the Director.

(Ord. No. 1576, § 2 (Exh. A, amd.), 10-23-2012)

Uses, activities, and processes shall comply with the minimum requirements of the Uniform Fire Code as adopted by the City, and California Code of Regulations Title 19.

(Ord. No. 1576, § 2 (Exh. A, amd.), 10-23-2012)

Light or glare from interior or exterior lighting, mechanical or chemical processes, or from reflective materials used or stored on a site, shall be shielded or modified to prevent emission of light or glare beyond the property line. The placement of exterior lights shall eliminate spillover illumination or glare onto adjoining properties to the maximum extent feasible, and not interfere with the normal operation or enjoyment of adjoining properties. All non-essential internal and exterior lighting including lighted signs shall be turned off after 11:00 p.m. (except for uses with extended hours).

(Ord. No. 1576, § 2 (Exh. A, amd.), 10-23-2012)

A.

Applicability. Uses, activities, and processes shall not generate or emit any noise or sound in excess of the levels provided in Table 3-5 beyond the property line of the parcel on which they are located, except as provided in Subsection B.

B.

Exceptions. The following are exempt from the allowable noise level requirements of Table 3-5 as noted:

Aerial warning devices that are required by law to protect the health, safety, and welfare of the community;

Emergency vehicle responses and all necessary equipment utilized in responses to a declared state of emergency;

Airport, and railroad operations;

Authorized construction activities, including warming-up or servicing of equipment, and any preparation for construction between 7 a.m. and 6 p.m. on weekdays, and between 10 a.m. and 5 p.m. on Saturdays. No construction is allowed on Sundays or official federal national holidays, except as otherwise authorized herein by the Community Development Director.

Authorized grading activities and equipment operations between 7 a.m. to 6 p.m. weekdays only, when City inspectors are available.

Routine maintenance activities.

Other construction activities as authorized in writing by the Community Development Director.

C.

Noise Measurement. Exterior noise levels shall be measured at the property line of the noise source. Noise measurement shall be made with a sound level meter using the "A" weighted scale at slow meter response. Fast meter response shall be used only for an impulsive noise.

Table 3-5 Allowable Exterior Noise Levels

Type of Land Use Allowable Exterior Levels (1)

                       Time Interval             Maximum Noise Level (2)

Residential (3) 10 p.m. to 6 a.m. 45 dBA

                      6 a.m. to 10 p.m.            60 dBA

Commercial (4) 10 p.m. to 6 a.m. 60 dBA

                      6 a.m. to 10 p.m.            70 dBA

Industrial or manufacturing (4) Any time 70 dBA

Notes:

(1)

Each of the noise limits specified in Table 3-5 shall be reduced by 5 dBA for impulse or simple tone noises. If the ambient noise exceeds the resulting standard, the ambient shall be the standard.

(2)

Maximum noise levels shall not be exceeded for an aggregate period of more than three minutes within a one- hour time period or by more than 20 dBA at any time.

(3)

Residential standards apply to sensitive receptors such as schools, hospitals, libraries, group care facilities, and convalescent homes. These uses may require special mitigation.

(4)

Commercial standards apply to Mixed Use Districts.

D.

Authorized construction activity and uses established through the discretionary land use permit process may be subject to specific noise conditions of approval and/or mitigation measures that are more restrictive.

(Ord. No. 1576, § 2 (Exh. A, amd.), 10-23-2012)

Noxious, odorous emissions of a type or quantity that would be detrimental to, or endanger the public health, safety, or general welfare of the community, are declared to be public nuisance and unlawful, and shall be modified to prevent the release of further emissions.

(Ord. No. 1576, § 2 (Exh. A, amd.), 10-23-2012)

Uses, activities, and processes shall not generate ground vibration that is perceptible without instruments by the average person at any point along or beyond the property line of the parcel containing the activities. Vibrations from temporary construction, demolition, and vehicles that enter and leave the subject parcel (e.g., construction equipment, trains, trucks, etc.) are exempt.

(Ord. No. 1576, § 2 (Exh. A, amd.), 10-23-2012)