Compliance of Classroom and Library Illuminance with Indonesian National Standard in An Elementary School

Aqeela Zahratun Nisa; Tri Kuncoro; Aqilah Auliana Syahrifah; Ariffa Rahayu; Arsyad Agus Al Muzammil; Tee Tze Kiong

doi:10.17509/jptb.v6i1.98317

Compliance of Classroom and Library Illuminance with Indonesian National Standard in An Elementary School

Aqeela Zahratun Nisa, Tri Kuncoro, Aqilah Auliana Syahrifah, Ariffa Rahayu, Arsyad Agus Al Muzammil, Tee Tze Kiong

Abstract

This study evaluates whether the illuminance of one elementary school classroom and one library satisfies SNI (Standar Nasional Indonesia) 6197:2020. Field data from a lux-meter workbook and layout drawings were analyzed using a descriptive-comparative approach. The classroom (9 m × 7 m) was measured at 48 points arranged on a 6 × 8 grid, while the library (6 m × 7 m) was measured at 30 points on a 6 × 5 grid, with measurements conducted in six 20-minute intervals from 11:00 to 13:00. The classroom achieved a mean illuminance of 510.12 lux and the library 377.91 lux, both exceeding the SNI standard of 350 lux. However, the median illuminance values remained below the standard at 283.85 lux and 287.60 lux, respectively. In addition, the uniformity ratios were low (0.05 in the classroom and 0.28 in the library), and only 41.67% of classroom points and 36.67% of library points met the required illuminance level after temporal averaging. The classroom showed a strong concentration of brightness in the rear zone with a maximum value of 4503 lux, while the library exhibited uneven lighting distribution, particularly weaker illumination near row F. These results indicate that compliance based solely on average illuminance is insufficient to represent spatial lighting quality. Therefore, lighting improvements should focus on distribution balance, daylight control, and optimization of lighting zones rather than merely increasing lamp output.

Keywords

Classroom lighting; Elementary school; Illuminance; Library lighting; Visual comfort

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DOI: https://doi.org/10.17509/jptb.v6i1.98317

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