Final building science report
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This document discusses lighting design for two spaces - an indoor reading room and gallery cafeteria - in a community library project. It analyzes daylighting factors and artificial lighting needs for both spaces based on Malaysian standards. For the reading room, the daylight factor is calculated as 4% and artificial lighting specifications are provided for 33 ceiling mounted LED panels arranged in 3 rows. For the cafeteria, the daylight factor is 2.67% and 49 downlights arranged in 7 rows are specified. Diagrams show daylight contours and permanent supplementary artificial lighting schemes for both spaces.
Final building science report
- 1. BACHELOR OF SCIENCE (HONOURS) IN ARCHITECTURE BUILDING SCIENCE 2 BLD 61303/ ARC 3413 PROJECT 2 INTEGRATION LIGHTING NAME: SIEW JOHN LOONG STUDENT ID: 0315871 LECTURER: MR. AZIM SULAIMAN
- 2. TABLE OF CONTENTS 1.0 INTRODUCTION……………………………………………... 1.1 OBJECTIVE…………………………………………...... 1.2 PROJECT DESCRIPTION & SITE ANALYSIS…………. 2.0 LIGHTING…………………………………………………….. 2.1 DAYLIGHTING ………………………………………… 2.2 ARTIFICIAL LIGHTING…………………………………. 2.3 SPACE 1…………………………………………………. -PLAN…………………………………………………….. -DAYLIGHT CONTOUR DIAGRAM…………………… -LIGHT SPECIFICATION…………………………………. -ARTIFICAL LIGHTING DIAGRAM……………………. -PSALI…………………………………………………….. 2.4 SPACE 2………………………………………………… -PLAN…………………………………………………….. -DAYLIGHT CONTOUR DIAGRAM…………………… -LIGHT SPECIFICATION…………………………………. -ARTIFICAL LIGHTING DIAGRAM……………………. -PSALI…………………………………………………….. 3.0 REFERENCES
- 3. 1.0 INTRODUCTION 1.1 OBJECTIVE This project aims to understand the integration of lighting principles in the community library of Project Design Studio 5 which able to solve their design problems in relation to sustainability issues (natural lighting and site analysis). Students would be able to design spaces incorporating artificial and day lighting thus create good design by integrating lighting well. 1.2 PROJECT DESCRIPTION & SITE ANALYSIS The site is located in Petaling Street, Kuala Lumpur area which allows the people to have an issue of lacking a greenery node space for the communities. They need a free public space that brings them together through the activities and programme in a space. Therefore, community library is designed in the context where involved different communities to be gathered in a same space to having the chance of interaction within themselves and achieving the goal of making the site to be more happening by strengthen the bond between the people on the area. Picture above shows the site location in Petaling Street where the facing the east to the back alley and to the west of the front main road.
- 4. 2.0 LIGHTING 2.1 DAYLIGHTING DAYLIGHT FACTOR The daylight factor is commonly used to determine the ratio of internal light level to external light level and is defined as follows: DF = Ei x 100% Eo Where: DF: Daylight factor Eo: simultaneous outdoor illuminance on a horizontal place from an unobstructed hemisphere of overcast sky. Ei: illuminance due to daylight at a point on the inddor working plane. According to MS 1525, Daylight factor distribution as below: Daylight factor, DF DF, % Distribution >6 Very bright with thermal & glare problem 3-6 Bright 1-3 Average 0 Dark ARTIFICIAL LIGHTING Artificial lighting is defined as any light that does not come from the sunlight which is a technical instruments that generate the light through the electrical energy. Artificial lighting is required for each space as substitute light as we do not receive the sunlight in 24 hours.
- 5. 2.3 INDOOR READING ROOM (SPACE 1) DAY LIGHTING The selected area, indoor reading area located at first floor is selected to be studied for day lighting. This area is partially surrounded with curtain wall glass which allow light penetration to be applied to the area. A lot of light is needed to light the space up as it allows people to read books comfortably. If the daylight is sufficient to light the place up, less artificial light is needed and therefore less energy is required. PLAN
- 6. DAYLIGHT FACTOR CALCULATION Floor Area 15MX10M=150m2 Area of façade that exposed to sunlight 15MX4M=60m2 Area of skylight 0 Exposed façade & skylight area to floor area ration/daylight, DF (Area of façade that exposed to sunlight + area of skylight)/ floor area =(60m2 +0m2 )/150m2 x 100% =40% Daylight Factor= 4.0% Natural Illumination Calculation Illuminance Example 120000 lux Brightest sunlight 110000 lux Bright sunlight 20000 lux Shade illuminated by entire clear blue sky 1000-2000 lux Typical overcast day, midday <200 lux Extreme of darkest storm clouds, midday 400 lux Sunrise or sunset on clear day 40 lux Fully overcast, sunset/sunrise < 1 lux Extreme of darkest storm clouds, sunset/ sunrise Eo= 20000 lux DF = Ei x 100% Eo 4 = Ei x 100%
- 7. 20000 Ei = 4 x 20000 100 = 800 lux DAYLIGHTING CONTOUR DIAGRAM The space does not receive much daylighting to reduce the glare of sunlight in the morning. The room receives an average of 800 lux of daylighting. The room receives more light through openings. Hence, this room requires the artificial light to light the room up.
- 8. ARTIFICIAL LIGHTING According to MS 1525, 2007 standards, the artificial lighting that needed to light up the indoor reading area is 300 lux. Type of luminaire used as shown below: LIGHT SPECIFICATIONS Name of light Ceiling Mounted Panel Lamp Type of light Artificial light Type of fixture Led Panel Light Colour Rendering Index 80 Type of luminaries Cool daylight Placement Ceiling Light output, lm 2800 Voltage 220-240 Rated colour temperature, K 4000 LUMEN METHOD CALCULATION Location Indoor Reading Area Total floor area (m2) (length)15M X (width)10M=150m2 Lumen of lighting fixture, F (lux) 2800 Height of luminaire (m) 4.0
- 9. Work level (m) 0.8 Mounting Height (Hm) 3.2 Reflectance factors White plaster ceiling = 0.75 White plaster wall =0.50 Room index/ RI (K) = (15X10) 3.2 (15+10) = 1.875 Utilisation Factor (UF) 0.6 Maintenance Factor (MF) 0.8 Standard illuminance by MS 1525 300 Number of light required N= E x A F x UF x MF = 300 x 150 2800 x 0.6 x 0.8 = 33.48 = 33 Lamps Spacing to height ratio 3.2m x 1.5= 4.8 Fitting Layout by approximately (m) Therefore, approximately 33 lamps = 3 rows of 11 lamps Length of room = 15m Width of room = 10m Spacing between each bulb (L) =15/11 = 1.36m Spacing between each bulb (W) =10/3 =3.33m 33 lamps are required for the space which is 3 rows of 11 luminaries each arranged accordingly so there is adequate light for the space to be lighted up with artificial lighting.
- 10. PERMANENT SUPPLEMENTARY ARTIFICIAL LIGHTING INTERIORS (PSALI) The space receives natural light from the windows (left side). The red light will be turned on if the natural lightis not strong while the orange
- 11. and yellow lights will be turnedon as the natural light cannot penetrate to the deeper space. ARTIFICIAL LIGHTING CONTOUR Diagram of contour diagram based on artificial lighting in space 1 1
- 12. PSALI SECTION IN THE DAY PSALI SECTION IN THE NIGHT
- 13. 2.3 GALLERY CAFETERIA (SPACE 2) DAY LIGHTING The gallery cafeteria located at ground floor is selected to be studied for day lighting. This area is partially surrounded with curtain wall glass which allow light penetration to be applied to the area. A lot of light is needed to light the space up as it allows people to read books comfortably. If the daylight is sufficient to light the place up, less artificial light is needed and therefore less energy is required. PLAN
- 14. DAYLIGHT FACTOR CALCULATION Floor Area 15.0M X 10.0M=150.0m2 Area of façade that exposed to sunlight 4.0M X10M=40.0m2 Area of skylight 0 Exposed façade & skylight area to floor area ration/daylight, DF (Area of façade that exposed to sunlight + area of skylight)/ floor area =(40.0m2 +0m2 )/150.0m2x 100% =26.7% Daylight Factor= 2.67% Natural Illumination Calculation Illuminance Example 120000 lux Brightest sunlight 110000 lux Bright sunlight 20000 lux Shade illuminated by entire clear blue sky 1000-2000 lux Typical overcast day, midday <200 lux Extreme of darkest storm clouds, midday 400 lux Sunrise or sunset on clear day 40 lux Fully overcast, sunset/sunrise < 1 lux Extreme of darkest storm clouds, sunset/ sunrise
- 15. Eo= 20000 lux DF = Ei x 100% Eo 2.67 = Ei x 100% 20000 Ei = 2.67 x 20000 100 = 534 lux DAYLIGHTING CONTOUR DIAGRAM
- 17. According to MS 1525, 2007 standards, the artificial lighting that needed to light up the gallery cafeteria is 300 lux. Type of luminaire used as shown below: LIGHT SPECIFICATIONS Name of light CoreLine Downlight Type of light Artificial light Type of fixture Philips downlight Colour Rendering Index 80 Type of luminaries Warm white Placement Ceiling Light output, lm 2100 Voltage 230-240 Power 22 Rated colour temperature, K 3000 LUMEN METHOD CALCULATION Location Gallery Cafeteria Total floor area (m2) (length) 15.0M X (width) 10.0M=150.0m2 Lumen of lighting fixture, F (lux) 2100 Height of luminaire (m) 4.0 Work level (m) 0.8 Mounting Height (Hm) 3.2 Reflectance factors White plaster ceiling = 0.75 White plaster wall =0.50 Room index/ RI (K) = (15.0 X 10.0) 3.2 (15.0+10.0) = 1.875 Utilisation Factor (UF) 0.55 Maintenance Factor (MF) 0.8
- 18. Standard illuminance by MS 1525 300 Number of light required N= E x A F x UF x MF = 300 x 150.0 2100 x 0.55 x 0.8 = 48.7 = 49 Lamps Spacing to height ratio 3.2m x 1.0= 3.2 Fitting Layout by approximately (m) Therefore, approximately 49 lamps = 7 rows of 7 lamps Length of room = 15.0m Width of room = 10.0m Spacing between each bulb (L) =15.0/7 = 2.14m Spacing between each bulb (W) =10.0/7 =1.43m 49 lamps are required for the space which is 7 rows of 7 luminaries each arranged accordingly so there is adequate light for the space to be lighted up with artificial lighting.
- 19. PERMANENT SUPPLEMENTARY ARTIFICIAL LIGHTING INTERIORS (PSALI) The space receives natural light from the windows (left side). The red light will be turned on if the natural lightis not strong while the orange and yellow lights will be turnedon as the natural light cannot penetrate to the deeper space which is quite large in area.
- 20. ARTIFICIAL LIGHTING CONTOUR Diagram of contour diagram based on artificial lighting in space 2 PSALI SECTION IN THE DAY PSALI SECTION IN THE NIGHT
- 21. 3.0 REFERENCE 1. B science 2 project 2 report. (n.d.). Retrieved December 01, 2016, from https://issuu.com/zijianmesasuredrawing/docs/b-science-2-project-2b-report- 2__1_ 2. Building Science 2 - Project 2. (n.d.). Retrieved December 01, 2016, from https://issuu.com/jolenehor/docs/building_science_2_report___complet