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Journal : indonesian journal of biomedical sciences

ERGONOMIC INTERVENTION OF HOUSES TYPE 36/120 SAVES ELECTRICITY AND INCREASES COMFORT OF OCCUPANTS IN NUANSA KORI HOUSING SADING MENGWI BADUNG Parwata, I Wayan; Manuaba, Adnyana; Adiputra, Nyoman; Sutjana, IDP
INDONESIAN JOURNAL OF BIOMEDICAL SCIENCES Vol. 3, No. 1 Januari 2009
Publisher : Udayana University

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Abstract

Development of the housing sector has now spread to the suburban areas ofDenpasar; even some rural areas in Bali have become targets of housingdevelopers. Designing and arranging of houses through ergonomic interventioncomprises one of several efforts for improving the houses’ quality in terms oftheir natural comfort. The ergonomic intervention should meet such criteria as tobe technically applicable, less costly, energy saving especially that of electricity,socio-culturally convenience, and environment friendly. This experimental studybeing reported applied a treatment by subject design, in which eight houses wereselected as sample, located in the housing complex of Perumahan Nuansa KoriSading Mengwi Badung. Of the eight sampled houses, each two houses facednorth, south, east and west, respectively. Twenty six occupants of the eightsampled houses were interviewed using a questionnaire. All samples wereselected by stratified random sampling. The ergonomic intervention comprisedremodeling of ventilation and windows of all the sampled houses. Data collectingof objective comfort was carried out before and after intervention i.e. at 8 am, 10am, 12 pm, 2 pm, 4 pm and 8 pm, by measuring temperature, humidity, lightintensity, and airflow. Data of subjective comfort were collected by questionnaire,which had been tested earlier for its validity and reliability. The results showedthat (1) before intervention the average of wet temperature was 23.66 ± 1.36 ºC,after intervention was 23.09 ± 1.20 ºC; (2) before intervention the average of drytemperature was 28.76 ± 1.07 ºC, after intervention was 27.88 ± 0.73 ºC; (3)relative humidity before intervention was 73.44 ± 4.37 %, after intervention was72.63 ± 2.73 %; (4) natural light intensity before intervention was 134.94 ± 71.69lux, after intervention was 229.69 ± 114.53 lux; (5) the average of airflow beforeintervention was 0.10 ± 0.04 m/sc, after intervention was 0.31 ± 0.08 m/sc; and(6) electricity saving resulted in 11% as evidenced by decrease of electricity billby 8%. The conclusions could be arawn are (1) that ergonomic intervention byremodeling ventilation and windows of houses type 36/120 could improveobjective comfort by 12.4% (p<0.05), along with increase of subjective comfort ofthe occupants of the houses facing all directions; dan (2) moreover, electricitysaving resulted in 11% (p<0.05) as evidenced by decrease of electricity bill by 8%(p<0.05). This study suggests that ergonomic intervention should be applied sinceearly in the construction of houses in order to make them cheaper, healthier, andmore comfortable.
Co-Authors Adnyana Manuaba Agus Kurniawan Agus Kurniawan Agus Kurniawan Agus Kurniawan Anak Agung Gede Raka Gunawarman Antari, Ida Ayu Wulan Dwi Antarini, Lilik Arnoldus Made Dheo Virya Fabian Arthana, I Nyoman Nuri Ayu Dwinita Yoga Saraswati, Ida Doni Alex Santoso Fabian, Arnoldus Made Dheo Virya Gede Rio Fernando Ardha Harawikrama Gunawarman, A.A. Gede Raka I Dewa Putu Satria Wibawa I Dewa Putu Sutjana I Gde Suranaya Pandit I Gede Surya Darmawan I Gede Surya Darmawan, I Gede Surya I Kadek Mertawijaya I Ketut Kasta Arya Wijaya I Made Artawan I Made Gde Adisatya Ardikabawa I Made Pasek Satya Bhuana I Nyoman Adi Putra I Nyoman Gede Maha Putra I Nyoman Sutapa I Nyoman Sutapa I Nyoman Warnata I Putu Egatama Arya Putra I Putu Panji Prabawantha I Putu Surya Mitra I Putu Yogi Wiliawan Wiliawan I Wayan Cipta Adi Mahendra I Wayan Dedek Surya Mahadipa I Wayan I Wayan Esa Adhitya Putra I Wayan Runa I Wayan Runa I Wayan Sudiarta I wayan sudita purnawan PURNAWAN I Wayan Suky Luxiana I Wayan Suky Luxiana I Wayan Wesna Astara I Wayan Wesna Astara I Wayan Widanan I Wayan Yoga Astra Ida Ayu Wulan Dwi Antari Ida Bagus Komang Kresna Adi Pratama Surya Kadek Putra Santika Narayana Ken, Kevin Kevin Ken Lilik Antarini Linggasani, Made Anggita Wahyudi Made Benyco Singantara Mahaputra, I Nyoman Gede Mahendra, I Wayan Cipta Adi Mustika, Ni Wayan Meidayanti Ni Kadek Melia Mega Dewi Ni Luh Anik Puspa Ningsih Ni Putu Indra Maritin Ni Putu Krisna Dewi Ni Putu Mei Lestari Ni Putu Ratih Pradnyaswari Anasta Putri Ni Putu Yesi Irayani Ni Wayan Meidayanti Mustika Ni Wayan Nurwarsih Nurwarsih, Ni Wayan Nyoman Ratih Prabandari Pande Putu Nadya Paramitha Pramantya Narayana PUTU IKA WAHYUNI Putu Santhi Dharma Gita Ronald Kogoya Sastrawan, Wirya Si Gede Putu Surya Adiprana Suyasa, I Putu Suta Titin Isna Oesman Wicaksana, Gde Bagus Andhika Wijaya, I Kadek Merta Wikan Pradnya Dana, Gde