AYU SAFINA, NAFISA (2025) OPTIMALISASI DESAIN SHADING SIRIP DENGAN ASPEK KENYAMANAN VISUAL PADA GEDUNG SETWILDA DAN BPKAD DPRD JAWA TENGAH. Masters thesis, UNDIP.

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Abstract

Penelitian ini mengevaluasi efektivitas Shading sirip terhadap kenyamanan visual pada Gedung Setwilda DPRD Jawa Tengah serta membandingkan pengaruh material kaca Low-E pada Gedung BPKAD yang memiliki konfigurasi fasad serupa. Metode yang digunakan adalah pendekatan kuantitatif evaluatif melalui
pengukuran lapangan menggunakan lux meter serta simulasi pencahayaan alami menggunakan DIALux Evo untuk analisis intensitas cahaya (300–3000 lux) dan potensi glare berdasarkan metode rasio kontras dan Daylight Glare Probability simplified (DGPs). Tiga tipe ruang tipikal Gedung Setwilda disimulasikan
menggunakan variasi dimensi Shading sirip. Hasil menunjukkan bahwa pada ruang kecil, Shading dengan panjang ±1,68 m mampu menjaga keseimbangan antara penyediaan cahaya alami dan kontrol glare. Pada ruang sedang, nilai optimal dicapai pada Shading ±1,42 m dengan penyesuaian plafon. Sementara itu, ruang besar cenderung membutuhkan Shading lebih pendek untuk memenuhi kebutuhan pencahayaan alami, selama potensi glare tetap dalam batas aman. Setelah redesain Shading, performa pencahayaan alami Gedung Setwilda meningkat sebesar 49%. Studi komparatif pada Gedung BPKAD memperlihatkan bahwa material kaca memiliki dampak lebih dominan dibandingkan Shading sirip. Kaca Low-E terbukti efektif mengurangi glare tetapi menurunkan intensitas cahaya hingga berada di bawah standar kenyamanan visual, sedangkan kaca bening meningkatkan pencahayaan namun berisiko menambah glare. Penerapan rekomendasi redesain pada Gedung BPKAD menunjukkan peningkatan performa pencahayaan alami
hingga 70%. Penelitian ini menyimpulkan bahwa desain fasad bangunan perkantoran tropis perlu mengintegrasikan proporsi dimensi Shading sirip yang sesuai ukuran ruang serta pemilihan material kaca yang tepat untuk mencapai keseimbangan antara pencahayaan alami dan pengendalian glare.
Kata kunci: kenyamanan visual, Shading sirip, kaca Low-E, pencahayaan alami, glare.

ABSTRACT
This study evaluates the effectiveness of fin-type Shading devices in improving visual comfort in the Setwilda DPRD Jawa Tengah office building and examines the influence of Low-E glass through a comparative analysis with the BPKAD building, which has a similar façade configuration. A quantitative evaluative approach was applied, involving field measurements using a lux meter and daylight simulations conducted in DIALux Evo to analyze illuminance performance (300–3000 lux) and potential glare using contrast ratio assessment and the simplified Daylight Glare Probability (DGPs). Three typical room types in the Setwilda
building were simulated using various fin Shading dimensions. The results indicate that in small rooms, a fin length of approximately 1.68 m provides an optimal balance between daylight provision and glare control. In medium-sized rooms,
optimal performance is achieved with fin lengths of around 1.42 m in combination with ceiling adjustments. Meanwhile, large rooms tend to require shorter Shading fins to meet daylight requirements while keeping glare within an acceptable range. After the redesign, the daylighting performance in the Setwilda building improved
by 49%. The comparative study on the BPKAD building reveals that glazing material has a more dominant impact than fin Shading. Low-E glass significantly reduces glare but decreases daylight levels below visual comfort standards, whereas clear glass increases daylight availability but carries a higher glare risk. The
application of the recommended redesign for the BPKAD building resulted in up to a 70% improvement in daylight performance.This research concludes that façade design strategies for tropical office buildings must integrate appropriate fin-Shading dimensions based on room characteristics along with suitable glazing selection to achieve a balanced performance between daylight availability and glare control.
Keywords: visual comfort, fin Shading, Low-E glass, daylighting, glare.

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