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All Journal Jurnal Dimensi Pratama Teknik Sipil Share : Journal of Service Learning Atrium : Jurnal Arsitektur DIMENSI: Journal of Architecture and Built Environment
Luciana Kristanto
Architecture Department, Petra Christian University, Siwalankerto 121-131 Surabaya,
Arts Humanities Civil Engineering, Building, Construction & Architecture Social Sciences

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Journal : DIMENSI: Journal of Architecture and Built Environment

 1 
ELDERLY VISUAL TASK PERFORMANCE BY DIFFERENCES ON READING MEDIA AND LAMP POSITION IN A ROOM Luciana Kristanto; Gunawan Tanuwidjaja; Joshua Antonio; Liana Maria Callista Lie; Marcellino Sebastian; Theresia Chany
Dimensi: Journal of Architecture and Built Environment Vol. 45 No. 1 (2018): JULY 2018
Publisher : Institute of Research and Community Outreach, Petra Christian University, Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (504.112 KB) | DOI: 10.9744/dimensi.45.1.19-24

Abstract

This research aimed to find out how lighting influence visual task performance of the elderly.The experiment was done on the table with different lamp position and by giving mark on the landolt ring chart printed on different reading media. Three position, the front, the middle and the back were the variables for lamp position, whilst different reading medias were the brown paper usually used for newspaper, the white silk uncoated paper or  ‘HVS’ paper and the white gloss paper. The lamp were TL5 LED with 4000 °K and 6500 °K color temperature. The illumination level maintained specificly at 250-325 lux range. The respondents were 12 elderly with 58 years as the mean age. The result findings, for newspaper, the best position for speed was the front with 1.15 second per stroke; followed by the back with 1.18 second per stroke; and the middle got the lowest result with 1.4 second per stroke. For the HVS and glossy paper with higher luminance, the best for speed was the middle position that was the darkest in illumination, with 1.25 second per stroke for HVS and 1.3 second per stroke for glossy. The worst result was the back with 1.4 second per stroke for HVS and 1.36 second per stroke for glossy paper. For accuracy, the best for newspaper was the front, 96.02%. For the HVS paper, the middle and the back position has got the same highest accuracy, 90.45%. For the glossy paper, the middle position has got the highest accuracy, 91.62%. The visual task performance result, for the newspaper, the front position has got the highest score, followed by the back position that have brighter in illumination, but the score was lowest for the middle position. Contrary, for white HVS and white gloss paper, which get almost identic result, the middle position which was rather dark in illumination was the best, while the front and the back position were worse in visual task performance score. So that can be concluded that the higher illumination level was not always give the best to visual task performance; but depending to the user and the kind of paper or reading media as well.
THE INFLUENCE OF VEGETATION TO INDOOR ILLUMINANCE, AIR TEMPERATURE AND RELATIVE HUMIDITY IN DESIGN STUDIO (Case Study: Architecture Department, Petra Christian University, Surabaya) Wanda K. Widigdo; Samuel Hartono; Luciana Kristanto; Danny Santoso Mintorogo
Dimensi: Journal of Architecture and Built Environment Vol. 46 No. 2 (2019): DECEMBER 2019
Publisher : Institute of Research and Community Outreach, Petra Christian University, Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (545.715 KB) | DOI: 10.9744/dimensi.46.2.161-168

Abstract

This research aimed to find the influence of vegetation outside the window to indoor light and thermal in Design studio, Architecture department of Petra Christian University, Surabaya. The vegetation was Shibataea kumasasa, cultivated in planter boxes, 90-100 centimeter high. The data was collected from the West and North window, for condition with and without vegetation outside the window. The measurement was taken on March until May 2019, using Hobo U12-012 data logger for measuring air temperature (°C), relative humidity (%) and illuminance (lux). Beside those physical measurement, the perception of 89 students as building user was also taken. The measurement result from windows facing West and North with the vegetation, the lowest indoor air temperature was 27°C with an average relative humidity of 70%. Meant it's at the upper edge of the comfort zoneof Bioclimatic Chart from Olgyay and Canada’s National Occupational Health & Safety Resource (CCOHS), so the indoor space was still uncomfortable and cooling was required to get into the comfort zone at warm humid climate. Result from lighting measurements obtained for west-oriented windows with vegetation outside the window, the highest illuminance was 350 lux at 02:45 pm, as well as for windows facing North at 07.30 am - 04.45 pm in range of 105 - 155 lux (highest). So, if there are vegetation outside windows, it will require electric lighting addition, because the illuminance are below the SNI 03-6197-2011which recommends 750 lux for design studio. Whilst the user respond from the questionnaire taken, stated that aesthetic vegetation was expected for natural element, blocked the penetration of solar radiation into indoor, and reduce glare to increase visual comfort without reducing luminous sufficiency for the visual activities in the design studio.
Co-Authors , Aditya , Aditya . Dwi . Dwi Adrian Dwi Atmojo Antonio, Joshua Callista Lie, Liana Maria Chany, Theresia Danny Santoso Mintorogo Danny Santoso Mintorogo Dian Wulandari Edwin Santoso Elsiana, Feny Gunawan Tanuwidjaja Gunawan Tanuwidjaja Gunawan Tanuwidjaja Handoko Sugiharto Handoko Sugiharto HARYOGO, Maria Marsha Joshua Antonio Leonardus Budi Darmawan Loekito Liana Maria Callista Lie Marcellino Sebastian Melisawati Susetyo Samuel Hartono Samuel Hartono Sastra Budihardja Sebastian, Marcellino TANUWIDJAJA Gunawan Theresia Chany Tiffany Kusuma Wanda K. Widigdo Widigdo, Wanda K. YUSANI, Juniar