TABLE OF CONTENT TITLE
PAGE
1) The Design - Plans, Elevations, Sections
3 - 10
3) Lighting & Acoustic - Natural lighting - Artificial lighting - Calculation by Lumen Method - Acoustic - Calculation of reverberation time - Proposal of acoustic fittings
4) Conclusion
11 - 12 13 14 15 15 - 16 16 - 17
18
2
1) THE DESIGN
3
4
5
6
7
8
9
10
11
12
13
CALCULATION BY LUMEN METHOD DIMENSION OF ROOM
LENGTH = 12.61m
WIDTH = 12.61m
TOTAL FLOOR AREA, A
159.01m2
CEILING HEIGHT
3m
TYPE OF LIGHT FIXTURE
SUSPENSION CEILING LIGHT
SPOTLIGHT
NUMBER OF BULBS
3
4
LUMINOUS FLUX OF LIGHTING , F
1500 lm
1000lm
HEIGHT OF LUMINAIRE
2.8m
2.8m
HEIGHT OF WORKING
0.9m
1.5m
MOUNTING HEIGHT, Hm
2.8 - 0.9 = 1.9m
2.8 - 1.5 = 1.3m
STANDARD ILLUMINATION REQUIRE ACCORDING TO
300 Lux (GALLERY)
ASSUMPTION REFLECTANCE VALUE
CEILING = 70% WALL = 50% FLOOR = 20%
ROOM INDEX, K
K = LENGTH x WIDTH Hm (LENGTH + WIDTH) = 159.01 1.9 (12.61 + 12.61) = 3.3
K = LENGTH x WIDTH Hm (LENGTH + WIDTH) = 159.01 1.3 (12.61 + 12.61) = 4.8
UTILIZATION FACTOR , UF
FROM TABLE, UF = 0.67
FROM TABLE, UF = 0.71
MAINTENANCE FACTOR, MF
NORMAL CONDITION, MF = 0.8
NORMAL CONDITION, MF = 0.8
NUMBER OF FITTINGS REQUIRE, N
E = 300 N=ExA F x UF x MF x n = 300 x 159.01 1500 x 0.67 x 0.8 x 3 = 47703 2412 = 19.77 N = 20 NOS
E = 300 N=ExA F x UF x MF x n = 300 x 159.01 1000 x 0.71 x 0.8 x 4 = 47703 2272 = 20.99 N = 21 NOS 14
15
16
17
18