Sustainability Electrical Lighting Design for a School Building for First Baptist Church in Shallowater, Texas Ibtihaj Alsadun & Dr. Erin Schambureck Design Recommendation
Abstract Lighting is “The method or equipment used to provide artificial illumination” (Farlex, 2009). Light is an important element of interior design for different reasons: It creates visual comfort, helps to execute tasks or work, such as reading writing, and operating equipment, creates effects for aesthetics, and ensures safety. Electric lighting produces heat, waste energy and lighting pollution. For these reasons, LEED encourage designers to reduce lighting pollution. Buildings should depend on daylighting, with little support with electrical lighting even in outdoor or indoor spaces. Objective: the aim of this study is designing electric lighting for a school for First Baptist Church in Shallowater, Texas, with consideration towards a sustainable design and achieving LEED Credits, saving energy and reducing light pollution. Results: After collect the data about electric lighting in school facility we recommended different electric lighting depended on place such as fluorescentT-8, compact florescent lamps, and LED. Also, using smart control switching and dimming is important in school facility to reduce the cost and save energy.
References:
Lighting fixture Spaces
Electric lighting
Benefits
Classrooms, Offices Hallways, Reception areas Exit signs Outside
LED
Long life, low maintenance and vibration resistance.
Compact fluorescent lamps (CFLs) and induction lamps LED
Good color and better control Cost come down and performance improves
Compact fluorescent lamps (CFLs) use in sconces and downlights
Reducing energy use and savings of up to $20 per lamp per year.
Toilets
Benya, J. R. (2001). Lighting for Schools. DiLaura, D. L., Houser, K. W., Mistrick, R. G., & Steffy, G. R. (2011). The lighting handbook. Illuminating Engineering Society. Finelite (n.d.). Net-Zero School Templates. From http://www.finelitetnze.com/templates/school.html Li, D. H., Cheung, K. L., Wong, S. L., & Lam, T. N. (2010). An analysis of energy-efficient light fittings and lighting controls. Applied Energy, 87(2), 558-567. Martirano, L. (2011, May). Lighting systems to save energy in educational classrooms. In Environment and Electrical Engineering (EEEIC), 2011 10th International Conference on (pp. 1-5). IEEE. Star, E., & Lighting, C. (2008). 6. ENERGY STAR Building Upgrade Manual Farlex, I. N. C. (2009). The free dictionary. Retrieved June, 28, 2012. Yun, G. Y., Kim, H., & Kim, J. T. (2012). Effects of occupancy and lighting use patterns on lighting energy consumption. energy and buildings, 46, 152-158.
Switching and Dimming Smart control switching and dimming in the school building to maximize the efficiency of lighting systems that have set them, reduce costs, increase comfort and create a flexible space.
Daylight Cooperation Windows orientation to north and south facing provide direct . Use clearstory window to avoid direct sun light and glare in summer and accept direct sunlight in winter.
Compact fluorescent lamps
2 x4 Angled
Frist Floor Design Consideration
Keys
A cording to (ENERGY STAR, 2008): successful light design can become high quality by considering light design as luminance ratios and color qualities.
Luminance ratios and glare Glare result luminance levels too high and too bright create discomfort, loss of visual performance and impaired visibility, which should be minimized.
Daylight Reflector spotlight Zone one switching Zone two switching Individual switching
Color and spectral content of light sources: 1. Correlated color temperature (CCT) Measured in degrees Kelvin (K), refers to the temperature of a blackbody radiator emitting light of comparable color. The scale may seem intuitively backward: the higher the color temperature, the cooler the light.
Kids church Area: 3,570 square ft. Nursery Room Area: 439 square ft.
2. Color rendering index (CRI): Measured on a scale of 0 to 100. The index describes the ability of a light source to render a sample of eight standard colors relative to a reference source. A CRI of 100 means that the source renders the eight standard colors in exactly the same way that reference light source renders the same color
Light sources CRI range
CCT range
Incandescent
100
2,700 K
LED
80 to 98
2,000 – 7,500 K
T8 fluorescents
T5 fluorescents
75 to 98 (T8 with CRI in 90s offer lower efficacy than T8 lamp 2,700 -6,500 K 80s
T12 fluorescents
58 to 62
In an auditorium, north clearstory window and acoustic panel with pendants lighting fixture.
Classroom Area: 600 square ft.
1x4 & 1x8 LED Lighting