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DIVA DAY 2012
Day-lighting in library retrofitting_ Transition spaces: Harvard SCIENCE CENTER_ Carlos Cerezo | Natalia Escobar | Amaia Puras
RETROFITTING LIBRARIES FOR DAYLIGHTING WORK ENVIRONMENTS/TRANSITION SPACES
case study: Harvard Cabot Science Library
HARVARD_MIT
DIVA DAY 2012
Day-lighting in library retrofitting_ Transition spaces: Harvard SCIENCE CENTER_ Carlos Cerezo | Natalia Escobar | Amaia Puras
MIT 4.430: Daylighting
HARVARD_MIT
Day-lighting in library retrofitting_ Transition spaces: Harvard SCIENCE CENTER_ Carlos Cerezo | Natalia Escobar | Amaia Puras
DESCRIPTION OF THE PROJECT _DAYLIGHT IN LIBRARIES
HELSINKY PENSIONS INTITUTE
SEINAJOKI PUBLIC LIBRARY
DIVA DAY 2012 HARVARD_MIT
DESCRIPTION OF THE PROJECT _LIBRARIES_REQUIREMENTS
Day-lighting in library retrofitting_ Transition spaces: Harvard SCIENCE CENTER_ Carlos Cerezo | Natalia Escobar | Amaia Puras
1 foot candle (ftcd, fcd) = 1 lumen / sq ft = 10.752 lux
DIVA DAY 2012 HARVARD_MIT
Day-lighting in library retrofitting_ Transition spaces: Harvard SCIENCE CENTER_ Carlos Cerezo | Natalia Escobar | Amaia Puras
DESCRIPTION OF THE PROJECT _LIGHT TRANSITION IN LIBRARIES
VIIPURI PUBLIC LIBRARY
Alvar Aalto
1935
DIVA DAY 2012 HARVARD_MIT
Day-lighting in library retrofitting_ Transition spaces: Harvard SCIENCE CENTER_ Carlos Cerezo | Natalia Escobar | Amaia Puras
DESCRIPTION OF THE PROJECT _LIGHT TRANSITION IN LIBRARIES
MICHELANGELO
ASPLUND
AALTO
DIVA DAY 2012 HARVARD_MIT
DESCRIPTION OF THE PROJECT _LIBRARIES_CONTEXT
Day-lighting in library retrofitting_ Transition spaces: Harvard SCIENCE CENTER_ Carlos Cerezo | Natalia Escobar | Amaia Puras
IMPORTANCE OF DAYLIGHTING INHERITED FROM TRADITIONAL LIBRARY, BECAUSE OF A HIGH REQUIREMENT FOR READING.
DIGITAL MEDIA AND INFORMATION PRODUCED A
WHY LIBRARIES?
DOUBLE SHIFT
A L
L
L
M
L.A.M
BOOK USER
RETROFIT PROCESS
DIVA DAY 2012 HARVARD_MIT
HARVARD UNIVERSITY_LIBRARY PROJECT
Day-lighting in library retrofitting_ Transition spaces: Harvard SCIENCE CENTER_ Carlos Cerezo | Natalia Escobar | Amaia Puras
_SUSTAINABILITY GOALS
‘College Library Offices Meet Green Office Challenge.’
Harvard Gazette, 12 Feb 2011
‘Harvard is making public the information on more than 12 mil. books inside its 73 libraries.’
New York Times, 24 Apr 2012
DIVA DAY 2012 HARVARD_MIT
HARVARD LIBRARIES_SEARCH OF THE CASE STUDY
Day-lighting in library retrofitting_ Transition spaces: Harvard SCIENCE CENTER_ Carlos Cerezo | Natalia Escobar | Amaia Puras
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_THE BUILDING
DIVA DAY 2012 HARVARD_MIT
CASE STUDY_THE SCIENCE CENTER LIBRARY
Day-lighting in library retrofitting_ Transition spaces: Harvard SCIENCE CENTER_ Carlos Cerezo | Natalia Escobar | Amaia Puras
HARVARD GSD J.Andrews 1972
LANGDEL HALL SR&C 1907
WIDENER LIBRARY J.F.Abele 1915
SCIENCE-CENTER J.L.Sert 1970
_THE BUILDING
DIVA DAY 2012 HARVARD_MIT
CASE STUDY_THE SCIENCE CENTER LIBRARY
Day-lighting in library retrofitting_ Transition spaces: Harvard SCIENCE CENTER_ Carlos Cerezo | Natalia Escobar | Amaia Puras
LIBRARY+READING Original 1970
HISTORY OF SCIENCE Addition 2005
Existing: 291,000 sq. ft Additions: 26,814 sq. ft.
_THE BUILDING
DIVA DAY 2012 HARVARD_MIT
CASE STUDY_THE SCIENCE CENTER LIBRARY
Day-lighting in library retrofitting_ Transition spaces: Harvard SCIENCE CENTER_ Carlos Cerezo | Natalia Escobar | Amaia Puras
_READING ROOMS PLANS
FLOORPLAN 2 Main reading room, study and stacks
FLOORPLAN 1 Access, stacks, reading and office
READ STACK GROUP
ACCESS
READ STACK
OFFICE ACCESS
DIVA DAY 2012 HARVARD_MIT
Day-lighting in library retrofitting_ Transition spaces: Harvard SCIENCE CENTER_ Carlos Cerezo | Natalia Escobar | Amaia Puras
CASE STUDY_THE SCIENCE CENTER LIBRARY _READING ROOMS
FLOORPLAN 2 Main reading room, study and stacks
FLOORPLAN 1 Access, stacks, reading and office
DIVA DAY 2012 HARVARD_MIT
Day-lighting in library retrofitting_ Transition spaces: Harvard SCIENCE CENTER_ Carlos Cerezo | Natalia Escobar | Amaia Puras
CASE STUDY_THE SCIENCE CENTER LIBRARY _READING ROOMS
FAÇADE READING AREA 18 MARCH 2012, 17:00 h
SECTION AA
350 lux
DIVA DAY 2012 HARVARD_MIT
Day-lighting in library retrofitting_ Transition spaces: Harvard SCIENCE CENTER_ Carlos Cerezo | Natalia Escobar | Amaia Puras
CASE STUDY_THE SCIENCE CENTER LIBRARY _READING ROOMS
INTERIOR READING AREA 2 18 MARCH 2012, 17:00 h
SECTION AA
DIVA DAY 2012 HARVARD_MIT
Day-lighting in library retrofitting_ Transition spaces: Harvard SCIENCE CENTER_ Carlos Cerezo | Natalia Escobar | Amaia Puras
CASE STUDY_THE SCIENCE CENTER LIBRARY _TRANSITION SPACES
1500 LUX
400 LUX
350 LUX
1200 LUX
250 LUX
100 LUX
DIVA DAY 2012 HARVARD_MIT
Day-lighting in library retrofitting_ Transition spaces: Harvard SCIENCE CENTER_ Carlos Cerezo | Natalia Escobar | Amaia Puras
INTRODUCE DAYLIGHT TO THE DEEP PLAN
Obtain a minimun illuminance of 500 lux for the whole reading room area, and distribute uses accordingly.
ADAPT SPACE FOR COMPUTER USE
Avoid all direct sunlight coming from the façade by redesigning the shading system. Reduce space contrast and glare for work spaces using an dynamic facade
CASE STUDY_THE SCIENCE CENTER LIBRARY _OBJECTIVES
DESIGN A TRANSITION SPACE
Use the existing library distribution to generate a sequence of exposures to daylighting from the dark entrance to the extremely bright reading areas.
REDUCE THE ENERGY USE FOR LIGHTING
Quantify the reduction of electricity use with the introduction of daylighting.
DIVA DAY 2012 HARVARD_MIT
Day-lighting in library retrofitting_ Transition spaces: Harvard SCIENCE CENTER_ Carlos Cerezo | Natalia Escobar | Amaia Puras
METHODOLOGY PROCESS FOR LIBRARY REDESIGN
SPACE ASSESMENT OF THE READING ROOM
1. Illuminance levels simulation (DIVA for Rhino) 2. Shading system study (Ecotect, DIVA for Rhino) 3. Glare DGP analysis (DIVA + Evaglare) 4. User behaviour survey
A.
NEW READING ROOM PROPOSAL B. 1. Façade shading redesign 2. Skylight design 3. Physical model heliodon study
ILLUMINANCE AND GLARE QUANTITATIVE ANALYSIS C. 1. Façade shading illuminance study (DIVA for Rhino) 2. Dynamic façade and glare study (DIVA for Rhino + Evaglare) 3. Skylight variation performance (DIVA for Rhino) 4. Daylight autonomy study for new design (DIVA for Rhino)
TRANSITION SPACE PROPOSAL D.
ENERGY SAVING ESTIMATION E.
CASE STUDY_THE SCIENCE CENTER LIBRARY _METHODOLOGY
DIVA DAY 2012 HARVARD_MIT
Day-lighting in library retrofitting_ Transition spaces: Harvard SCIENCE CENTER_ Carlos Cerezo | Natalia Escobar | Amaia Puras
A.SPACE ASSESMENT _ILLUMINANCE LEVELS SIMULATION
CASE0: ORIGINAL STATE Description scpace
FLOOR PLAN (2ndroom)
SECTION(2ndroom)
Bookshelf Dark Grey plastic
0.4,0.4,0.4
Interior Wall White Paint
0.65,0.65,0.65
Glazing Double clear
85%
Structure White Paint 0.7,0.7,0.7
Furniture Wood Clear 0.30,0.25,0.16
Flooring Grey Carpet 0.12,0.11,0.09
Mullions White Paint 0.7,0.7,0.7
Louvers and fin White Reflecting
0.75,0.75,0.75
DIVA DAY 2012 HARVARD_MIT
Day-lighting in library retrofitting_ Transition spaces: Harvard SCIENCE CENTER_ Carlos Cerezo | Natalia Escobar | Amaia Puras
A.SPACE ASSESMENT _ILLUMINANCE LEVELS SIMULATION
12:00 21DEC
12:00 21SEP
12:00 21JUN 300
2500
CASE0: ORIGINAL STATE
DIVA simullation ab 4 ad 1000 as 20 ar 100 aa 0.1
20-35%
DIVA DAY 2012 HARVARD_MIT
Day-lighting in library retrofitting_ Transition spaces: Harvard SCIENCE CENTER_ Carlos Cerezo | Natalia Escobar | Amaia Puras
A.SPACE ASSESMENT _SHADING SYSTEM STUDY
CASE0: ORIGINAL STATE
Shading analysis with addition of shading satus along line parallel to facade
0.5 m Line A
1.5 m Line B
3.5 m Line C
5.0 m Line D
D
C
B
A
DIVA DAY 2012 HARVARD_MIT
Day-lighting in library retrofitting_ Transition spaces: Harvard SCIENCE CENTER_ Carlos Cerezo | Natalia Escobar | Amaia Puras
A.SPACE ASSESMENT _GLARE ANALYSIS IN WORK SPACES
CASE0: ORIGINAL STATE
DGP glare study with DIVA ab 4 ad 1000 as 20 ar 100 aa 0.1
A
B
DGP 100 21DEC 9:00
DGP 45 21DEC 12:00
DGP 100 21DEC 9:00
DGP 45 21DEC 12:00
A
B
DIVA DAY 2012 HARVARD_MIT
Day-lighting in library retrofitting_ Transition spaces: Harvard SCIENCE CENTER_ Carlos Cerezo | Natalia Escobar | Amaia Puras
A.SPACE ASSESMENT _SURVEY ON USERS
FLOORPLAN 2
FLOORPLAN 1
_WHERE DO PEOPLE SIT?
Close to windows Far from windows
50% 70% 30%
_WHY THERE?
Close
Far
50% Views
70% More light
30% Less distraction
20%
20%
More privacy
Less glare
_DISCOMFORT CLOSE TO WINDOWS?
40% Lack of light
45% Excess of light
_TYPES OF USERS
Laptop
Laptop Notes, books
Notes, books
L + N/B
DURING THE SEMESTER
EXAM PERIOD
• PEOPLE SITTING CLOSE TO THE WINDOWS LEAVE FASTER
• SMALL AMOUNT OF TASK LIGHTS AVAILABLE_USED
• COMPLAINTS CLOSE TO WINDOWS ABOUT EXCESS/LACK OF LIGHT
DIVA DAY 2012 HARVARD_MIT
Day-lighting in library retrofitting_ Transition spaces: Harvard SCIENCE CENTER_ Carlos Cerezo | Natalia Escobar | Amaia Puras
B.NEW READING ROOM PROPOSAL _PROPOSAL DESCRIPTION
FLOORPLAN 2 Main reading room, study and stacks
READ WORK
GROUP ACCESS
MEZZANINE New reading/working area
DIVA DAY 2012 HARVARD_MIT
Day-lighting in library retrofitting_ Transition spaces: Harvard SCIENCE CENTER_ Carlos Cerezo | Natalia Escobar | Amaia Puras
B.NEW READING ROOM PROPOSAL
SECTION A SECTION C
SECTION B
C B A
1
2 3
_PROPOSAL DESCRIPTION
DIVA DAY 2012 HARVARD_MIT
Day-lighting in library retrofitting_ Transition spaces: Harvard SCIENCE CENTER_ Carlos Cerezo | Natalia Escobar | Amaia Puras
B.NEW READING ROOM PROPOSAL
A
B
C
_PROPOSAL DESCRIPTION
DIVA DAY 2012 HARVARD_MIT
Day-lighting in library retrofitting_ Transition spaces: Harvard SCIENCE CENTER_ Carlos Cerezo | Natalia Escobar | Amaia Puras
B.NEW READING ROOM PROPOSAL _SKYLIGHT DESIGN
Tilted surface to optimize the light capture, according to the summer solar angle
Interior parabolic reflective surface to improve the channel of the sunlight to the interior space
Optimized exterior operable louvers in distance and size, to avoid the direct sunlight
FINAL SKYLIGHT DESIGN
Horizontal louvers_ Still direct sunlight in winter with low angles Louvers at 45º_ Avoid direct sunlight with low angles
DIVA DAY 2012 HARVARD_MIT
Day-lighting in library retrofitting_ Transition spaces: Harvard SCIENCE CENTER_ Carlos Cerezo | Natalia Escobar | Amaia Puras
B.NEW READING ROOM PROPOSAL _HELIODON ANALYSIS
INTERIOR MODEL
FACADE PROPOSAL
SOUTH
NORTH
DIVA DAY 2012 HARVARD_MIT
Day-lighting in library retrofitting_ Transition spaces: Harvard SCIENCE CENTER_ Carlos Cerezo | Natalia Escobar | Amaia Puras
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Measurements – 22nd June
B.NEW READING ROOM PROPOSAL _HELIODON ANALYSIS
DIVA DAY 2012 HARVARD_MIT
Day-lighting in library retrofitting_ Transition spaces: Harvard SCIENCE CENTER_ Carlos Cerezo | Natalia Escobar | Amaia Puras
C.ILLUMINANCE AND GLARE QUANTITATIVE ANALYSIS _FACADE SHADING AND ILLUMINANCE ANALYSIS
1.5 m Line A
5.0 m Line B
1.5 m Line A
5.0 m Line B
CASE1: OPEN LOUVERS
CASE2: CLOSED LOUVERS
DIVA DAY 2012 HARVARD_MIT
Day-lighting in library retrofitting_ Transition spaces: Harvard SCIENCE CENTER_ Carlos Cerezo | Natalia Escobar | Amaia Puras
C.ILLUMINANCE AND GLARE QUANTITATIVE ANALYSIS _ILLUMINANCE LEVELS SIMULATION
300
2500
12:00 21DEC
12:00 21SEP
12:00 21JUN
CASE1: FAÇADE + HORIZONTAL LOUVERS
DIVA simullation ab 4 ad 1000 as 20 ar 100 aa 0.1
15-25%
DIVA DAY 2012 HARVARD_MIT
Day-lighting in library retrofitting_ Transition spaces: Harvard SCIENCE CENTER_ Carlos Cerezo | Natalia Escobar | Amaia Puras
C.ILLUMINANCE AND GLARE QUANTITATIVE ANALYSIS _ILLUMINANCE LEVELS SIMULATION
300
2500
12:00 21DEC
12:00 21SEP
12:00 21JUN
CASE2: FAÇADE + LOUVERS 45 DEGREES
DIVA simullation ab 4 ad 1000 as 20 ar 100 aa 0.1
10-20%
DIVA DAY 2012 HARVARD_MIT
Day-lighting in library retrofitting_ Transition spaces: Harvard SCIENCE CENTER_ Carlos Cerezo | Natalia Escobar | Amaia Puras
C.ILLUMINANCE AND GLARE QUANTITATIVE ANALYSIS _SKYLIGHT VARIATION PERFORMANCE
300
2500
12:00 21DEC
12:00 21SEP
12:00 21JUN
CASE1: NORTH SKYLIGHT
DIVA simullation ab 4 ad 1000 as 20 ar 100 aa 0.1
35%
500
500
500
500
90% 100%
2500
DIVA DAY 2012 HARVARD_MIT
Day-lighting in library retrofitting_ Transition spaces: Harvard SCIENCE CENTER_ Carlos Cerezo | Natalia Escobar | Amaia Puras
C.ILLUMINANCE AND GLARE QUANTITATIVE ANALYSIS _SKYLIGHT VARIATION PERFORMANCE
300
2500
12:00 21DEC
12:00 21SEP
12:00 21JUN
CASE2A: SOUTH SKYLIGHT 00
DIVA simullation ab 4 ad 1000 as 20 ar 100 aa 0.1
100% 90% 100%
500 500
2500
2500 2500
DIVA DAY 2012 HARVARD_MIT
Day-lighting in library retrofitting_ Transition spaces: Harvard SCIENCE CENTER_ Carlos Cerezo | Natalia Escobar | Amaia Puras
C.ILLUMINANCE AND GLARE QUANTITATIVE ANALYSIS _SKYLIGHT VARIATION PERFORMANCE
300
2500
12:00 21DEC
12:00 21SEP
12:00 21JUN
DIVA simullation ab 4 ad 1000 as 20 ar 100 aa 0.1
CASE2B: SOUTH SKYLIGHT 45
100% 100% 100%
500 500
DIVA DAY 2012 HARVARD_MIT
Day-lighting in library retrofitting_ Transition spaces: Harvard SCIENCE CENTER_ Carlos Cerezo | Natalia Escobar | Amaia Puras
C.ILLUMINANCE AND GLARE QUANTITATIVE ANALYSIS _DYNAMIC FAÇADE AND GLARE STUDIES
DGP 23 21DEC 9:00
DGP 25 21DEC 09:00
DGP 37 21JUN 09:00
DGP 27 21JUN 09:00
A B
DGP 38 21DEC 09:00
DGP 21 21JUN 09:00
C
DIVA DAY 2012 HARVARD_MIT
Day-lighting in library retrofitting_ Transition spaces: Harvard SCIENCE CENTER_ Carlos Cerezo | Natalia Escobar | Amaia Puras
C.ILLUMINANCE AND GLARE QUANTITATIVE ANALYSIS _DYNAMIC FAÇADE AND GLARE STUDIES
CASE2A. BACK TABLE: ANNUAL GLARE DGP DIVA simullation ab 4 ad 1000 as 20 ar 100 aa 0.1
CASE2B. BACK TABLE: ANNUAL GLARE DGP DIVA simullation ab 4 ad 1000 as 20 ar 100 aa 0.1
CASE2 A+B. BACK TABLE: ANNUAL GLARE DGP DIVA simullation ab 4 ad 1000 as 20 ar 100 aa 0.1
DIVA DAY 2012 HARVARD_MIT
Day-lighting in library retrofitting_ Transition spaces: Harvard SCIENCE CENTER_ Carlos Cerezo | Natalia Escobar | Amaia Puras
C.ILLUMINANCE AND GLARE QUANTITATIVE ANALYSIS _DYNAMIC FAÇADE AND GLARE STUDIES
CASE2A. FRONT TABLE: ANNUAL GLARE DGP DIVA simullation ab 4 ad 1000 as 20 ar 100 aa 0.1
CASE2B. FRONT TABLE: ANNUAL GLARE DGP DIVA simullation ab 4 ad 1000 as 20 ar 100 aa 0.1
CASE2 A+B. FRONT TABLE: ANNUAL GLARE DGP DIVA simullation ab 4 ad 1000 as 20 ar 100 aa 0.1
DIVA DAY 2012 HARVARD_MIT
Day-lighting in library retrofitting_ Transition spaces: Harvard SCIENCE CENTER_ Carlos Cerezo | Natalia Escobar | Amaia Puras
C.ILLUMINANCE AND GLARE QUANTITATIVE ANALYSIS _DAYLIGHT AUTONOMY STUDY FOR NEW DESIGN
0
100
Average 66%
DYNAMIC SHADING 2 STATE: 0deg/45deg
DIVA simullation ab 4 ad 1000 as 20 ar 100 aa 0.1 9 hours
80% (over 50%DA)
500-2500
DIVA DAY 2012 HARVARD_MIT
Day-lighting in library retrofitting_ Transition spaces: Harvard SCIENCE CENTER_ Carlos Cerezo | Natalia Escobar | Amaia Puras
C.ILLUMINANCE AND GLARE QUANTITATIVE ANALYSIS _DAYLIGHT AUTONOMY STUDY FOR NEW DESIGN
0
100
Average 80%
DYNAMIC SHADING 3 STATE: 0deg/40deg/50deg
DIVA simullation ab 4 ad 1000 as 20 ar 100 aa 0.1 15 hours
99% (over 50%DA)
500-2500-3000
DIVA DAY 2012 HARVARD_MIT
Day-lighting in library retrofitting_ Transition spaces: Harvard SCIENCE CENTER_ Carlos Cerezo | Natalia Escobar | Amaia Puras
D. TRANSITION SPACES _MEAN ILLUMINANCE
21 JUNE 12pm
1018 lux/m2 (0-1000)
177 lux/m2 (0-500)
674 lux/m2 (0-1000)
199 lux/m2 (0-500)
71 lux/m2 (0-500)
DIVA DAY 2012 HARVARD_MIT
Day-lighting in library retrofitting_ Transition spaces: Harvard SCIENCE CENTER_ Carlos Cerezo | Natalia Escobar | Amaia Puras
E.ENERGY SAVING ESTIMATION _ENERGY SAVING ESTIMATION
1
2 3
1
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9000
1500
800
kWh/year
A B C
A. ORIGINAL. NO DIMMING B. ORIGINAL. DIMMING C. NEW. DIMMING
DIVA DAY 2012 HARVARD_MIT
Day-lighting in library retrofitting_ Transition spaces: Harvard SCIENCE CENTER_ Carlos Cerezo | Natalia Escobar | Amaia Puras
E.ENERGY SAVING ESTIMATION _ENERGY SAVING ESTIMATION
ZONE 1: WINDOW AREA 1200 W installed (15 W/m2)
340 kWh year
ZONE 2: BELOW PLATFORM 540 W installed (15 W/m2)
280 kWh year
ZONE 3: INTERIOR 810 W installed (15 W/m2)
193 kWh year
DIVA DAY 2012 HARVARD_MIT
Day-lighting in library retrofitting_ Transition spaces: Harvard SCIENCE CENTER_ Carlos Cerezo | Natalia Escobar | Amaia Puras
Thank you
Carlos Cerezo Master in Design Studies_ Energy and Environments
Natalia Escobar Master in Design Studies_ Critical Conservation
Amaia Puras Master in Design Studies_ Energy and Environments
HARVARD_MIT DIVA DAY 2012