San Marcos Development Code (effective November 3, 2021)

7

C H A P T E R

Supplemental Development Standards

Article 5: Lighting and glare standards Division 1: GENERAL

B. Plan Submittal. A photometric plan shall be prepared by a lighting professional and shall include all proper ty within the Limits of Construction. The study shall address the horizontal illuminance on the site. Each plan requires the following information: 1. A point-by-point foot-candle reading. The horizontal photometric plan grid points shall have a maximum spacing of 10 ft. between each point across the entire site and 10 ft. past the proper ty line. 2. A foot-candle reading shall be provided under each light fixture. 3. The plan shall include the lighting templates generated by the lighting design software program to calculate the foot-candle readings. The template shall be for the fixture and lamp specified on the plans. The plan’s fixture type identification shall match the cut sheets, electrical site plans, and the lighting schedule. This information shall be provided in a summary table. 4. The plan shall identify the initial maximum, minimum, and average illuminance on the horizontal photometric plan. 5. The plan shall identify the total maintained maintenance (light loss) factor utilized. C. Deviations from Lighting and Glare Standards. Administrative adjustments from overall lighting level standards may be approved if such administrative adjustments are in compliance with state lighting requirements. A. Environmental Performance Zones. Lighting for an individual project shall be evaluated in the context of the overall environment and the goals set for the surrounding community. For this purpose, maximum outdoor lighting averages are established for geographic areas distinguished as environmental lighting performance zones. The general relationship of proper ties to these zones and the maximum permissible average lighting levels are provided. B. The following char t establishes the overall maximum permissible average illumination of proper ties within the associated environmental performance zone. Division 2: STANDARDS Section 7.5.2.1 Overall Operational Lighting Levels

Section 7.5.1.1 Purpose

A. Standards for controlling lighting and glare are set for th to reduce hazards to motorists and annoyance and inconvenience from light trespass upon the residents, drivers, pedestrians, businesses and other elements of the community. B. Standards are also established in order to ensure that citizens and visitors to the City are able to continue to enjoy the night sky, natural environment and traditional character of the community. C. These standards are intended to allow reasonable enjoyment of adjacent and nearby proper ty by their owners and occupants while requiring adequate levels of lighting of parking drives, service and pedestrian areas. D. These standards are based on the model lighting ordinance developed by the International Dark Sky Association. Section 7.5.1.2 Applicability A. Applicability. The standards and criteria contained within this Ar ticle 5 are deemed to be minimum standards and shall apply to all new construction subject to a site preparation permit or the replacement or modification of outdoor lighting. B. Exemption. Proper ty located within a single-family residential district which is used for single-family residential use is exempt from standards applied to exterior lighting. Section 7.5.1.3 Review Procedure A. Proof of Compliance Required. Detailed drawing(s) verifying compliance with the requirements of this Ar ticle shall be submitted, in detail sufficient to show compliance, at both the time of site permit and building permit application submittal. The compliance shall be illustrated, along with calculations or specifications of how areas shown on the site permit and building permit applications shall meet the requirements for lighting and design.

7:46

San Marcos Development Code Amended: November 3, 2021