San Marcos Development Code 9.1.2020

7 C H A P T E R

Supplemental Development Standards

Article 4: Public health related performance standards

Section 7.3.4.13Changeable Electronic Variable Message (CEVM) Signs CEVM signs are subject to the limitations indicated in this Section, as well as the location, height and area restrictions in this Chapter. A CEVM sign shall apply with the following: A. Not exceed a maximum brightness of 7,000 NITs in day light or 500 NITs for night use. B. Provide for auto dimming/brightening based on natural ambient light conditions. C. Provide and maintain a photo cell and dimmer control to assure the luminance standard is met and not exceeded. D. Present a static display with no special effect transitions between messages. E. Display a message for at least 60 seconds with a two second pause between messages. F. Be constructed such that it does not face, shine, or reflect light into a Residentially classified neighborhood whether single- family, multi-family, townhouse, or mixed use where residential housing is permitted.

Division 1: GENERAL

Section 7.4.1.1Purpose

All uses of property shall conform in operation, location, construction and development to all applicable:

A. The performance standards as administered by county, State or Federal agencies; and B. Performance standards for noise, smoke, and particulate matter, odorous matter, fire, or explosive hazard material, toxic and noxious matter, vibration, and glare. Section 7.4.1.2Requirements for Toxic Waste Disposal All Federal and State pollution, noise, and requirements for toxic waste disposal shall be observed. See Chapter 86 of the City Code for industrial waste disposal regulations. A. Noise Level Maximums. No activity on the property shall produce sound: 1. In excess of 85 decibels between the hours of 10:00 a.m. and 10:00 p.m. 2. In excess of 75 decibels between the hours of 10:00 p.m. and 10:00 a.m. B. Noise Measurements. Measurement of noise shall be made with a sound level meter using the “A” weighting network as specified by the American National Standards Institute. 1. A police officer taking a noise measurement may take the measurement from either the closets public right-of-way to the offending residence or business, or with the consent of a complainant, may take the measurement from the property line of the complainant. 2. Any sound that when measured at the nearest public right- of-way to the offending residence or business exceeds Division 2: STANDARDS Section 7.4.2.1Noise

G. Display no more than four colors—each in a static pattern

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San Marcos Development Code Amended: September 1, 2020