Using building information modelling to optimise design quality of natural lighting in Iraqi school buildings
Article Category: Research Paper
Publié en ligne: 15 avr. 2024
Pages: 52 - 62
Reçu: 06 oct. 2022
Accepté: 23 mai 2023
© 2024 Ahmed Saad Ali Al-Rudainy et al., published by Sciendo
This work is licensed under the Creative Commons Attribution 4.0 International License.
Daylight illuminance values (after modification of window dimensions).
Classroom No. |
Area (m2) |
Windows’ properties (modified) |
New daylight illuminance (Lux) |
Illuminance percentage increased (%) |
Compliance with LEED v4 requirements |
L (m) |
H (m) |
Increased percentage of window area (%) |
Assiss. room 1 |
16.79 |
2.30 |
1.90 |
73.4 |
745.11 |
59.13 |
Within 300–3,000 Lux |
Assiss. room 2 |
16.79 |
2.30 |
1.90 |
73.4 |
745.11 |
59.16 |
Within 300–3,000 Lux |
C1 |
39.18 |
4.10 |
1.90 |
54.6 |
630.81 |
47.99 |
Within 300–3,000 Lux |
C11 |
39.18 |
4.10 |
1.90 |
54.6 |
574.73 |
45.04 |
Within 300–3,000 Lux |
C12 |
35.05 |
4.10 |
1.90 |
54.6 |
554.79 |
42.49 |
Within 300–3,000 Lux |
C10 |
37.52 |
4.10 |
1.90 |
54.6 |
525.85 |
39.98 |
Within 300–3,000 Lux |
Teachers’ room |
42.87 |
4.10 |
1.90 |
54.6 |
510.05 |
40.56 |
Within 300–3,000 Lux |
C3 |
39.43 |
4.10 |
1.90 |
54.6 |
357.45 |
20.14 |
Within 300–3,000 Lux |
C7 |
39.43 |
4.10 |
1.90 |
54.6 |
354.33 |
48.81 |
Within 300–3,000 Lux |
C5 |
42.87 |
4.10 |
1.90 |
54.6 |
342.98 |
44.29 |
Within 300–3,000 Lux |
C6 |
39.43 |
4.10 |
1.90 |
54.6 |
342.40 |
44.97 |
Within 300–3,000 Lux |
C4 |
42.87 |
4.10 |
1.90 |
54.6 |
328.63 |
41.70 |
Within 300–3,000 Lux |
C2 |
39.48 |
1.70 |
1.90 |
92.2 |
312.51 |
45.70 |
Within 300–3,000 Lux |
W.C. teachers |
53.55 |
0.90 |
0.50 |
0 |
301.20 |
347.88 |
Within 300–3,000 Lux |
|
|
1.00 |
1.90 |
422 |
|
|
|
C8 |
39.96 |
4.10 |
1.90 |
54.6 |
81.24 |
69.57 |
<300 Lux |
School’s shop |
53.07 |
4.10 |
1.90 |
54.6 |
61.03 |
37.45 |
<300 Lux |
C9 |
39.48 |
4.10 |
1.90 |
54.6 |
59.88 |
39.22 |
<300 Lux |
Supervisor room |
39.48 |
4.10 |
1.90 |
54.6 |
45.50 |
13.13 |
<300 Lux |
Headmaster room |
39.96 |
4.10 |
1.90 |
54.6 |
35.93 |
10.52 |
<300 Lux |
Main hall |
173.52 |
4.10 |
1.90 |
New window |
22.16 |
1.93 |
<300 Lux |
W.C. students |
39.48 |
0.90 |
0.50 |
0 |
17.12 |
0.00 |
<300 Lux |
Points for daylight floor area – sDA for schools, LEED v4 (Elkhapery et al. 2021).
sDA (for regularly occupied floor area) |
Points |
55% |
2 |
75% |
3 |
Daylight illuminance values according to the simulation results.
Classroom No. |
Area (m2) |
Windows’ properties |
Daylight illuminance (Lux) |
Compliance with LEED v4 requirements |
L (m) |
H (m) |
Orien. |
Nr./room |
Assiss. room 1 |
16.79 |
1.80 |
1.40 |
South |
1 |
468.23 |
Within 300–3,000 Lux |
Assiss. room 2 |
16.79 |
1.80 |
1.40 |
South |
1 |
468.14 |
Within 300–3,000 Lux |
C1 |
39.18 |
3.60 |
1.40 |
South |
1 |
426.24 |
Within 300–3,000 Lux |
C11 |
39.18 |
3.60 |
1.40 |
East |
1 |
396.25 |
Within 300–3,000 Lux |
C12 |
35.05 |
3.60 |
1.40 |
East |
1 |
389.35 |
Within 300–3,000 Lux |
C10 |
37.52 |
3.60 |
1.40 |
East |
1 |
375.66 |
Within 300–3,000 Lux |
Teachers’ room |
42.87 |
3.60 |
1.40 |
East |
1 |
362.87 |
Within 300–3,000 Lux |
C3 |
39.43 |
3.60 |
1.40 |
South |
1 |
297.53 |
<300 Lux |
C7 |
39.43 |
3.60 |
1.40 |
West |
1 |
238.11 |
<300 Lux |
C5 |
42.87 |
3.60 |
1.40 |
West |
1 |
237.70 |
<300 Lux |
C6 |
39.43 |
3.60 |
1.40 |
West |
1 |
236.19 |
<300 Lux |
C4 |
42.87 |
3.60 |
1.40 |
West |
1 |
231.92 |
<300 Lux |
C2 |
39.48 |
1.20 |
1.40 |
South |
1 |
214.49 |
<300 Lux |
C8 |
39.96 |
3.60 |
1.40 |
North |
1 |
67.25 |
<300 Lux |
School’s shop |
53.07 |
3.60 |
1.40 |
West |
8 |
47.91 |
<300 Lux |
C9 |
39.48 |
3.60 |
1.40 |
North |
1 |
44.40 |
<300 Lux |
Supervisor room |
39.48 |
3.60 |
1.40 |
S/W |
1 |
43.01 |
<300 Lux |
Headmaster room |
39.96 |
3.60 |
1.40 |
S/W |
1 |
40.22 |
<300 Lux |
Main hall |
173.52 |
- |
- |
- |
- |
32.51 |
<300 Lux |
W.C. students |
39.48 |
0.90 |
0.50 |
S/W |
1 |
21.74 |
<300 Lux |
W.C. teachers |
53.55 |
0.90 |
0.50 |
East |
4 |
17.12 |
<300 Lux |