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KAJIAN PENERAPAN PRINSIP-PRINSIP AKUSTIK STUDI KASUS: RUANG AUDITORIUM MULTIFUNGSI GEDUNG P1 DAN P2 UNIVERSITAS KRISTEN PETRA Sutanto, Andy; Priatman, Jimmy; Mediastika, Christina E.
JURNAL DIMENSI UTAMA TEKNIK SIPIL Vol 1, No 1 (2014)
Publisher : Magister Teknik Sipil Universitas Kristen Petra

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (78.005 KB)

ABSTRACT: Besides visual aspect, room acoustic performance is also an important factor in determining multipurpose hall performance. Room acoustic performance can be achieved if some room acoustic objective parameters are taken into account, such as background noise level, reverberation time, and sound coverage. In order to meet these parameters, it can be done by using materials with appropriate coefficient absorbstion on floor, wall, ceiling and room geometry. Room acoustic objective parameters should be considered in design phase for optimum benefit. Room acoustic simulation on the design of multipurpose hall P1 and P2 Petra Christian University will be done by computer simulation.Â

TREND ON THE LACK OF PRIVATE OPEN SPACE IN SEVERAL CONTIGUOUS HOUSING IN SIDOARJO Christina Mediastika
Journal of Architecture&ENVIRONMENT Vol 13, No 2 (2014)
Publisher : Department of Architecture, Institut Teknologi Sepuluh Nopember (ITS)

Limited proportion between built area and open space of house-lots in housing district seems to become trend in some housing. Within period of occupancy, house-owners are continuously requiring more rooms. A common solution is to transform available open space in the lot into building. Several contiguous housing in Sidoarjo Regency, comprises of low-to-medium and medium-to high housing types was studied to learn on the trend. The study concluded that definition of low-to-medium and medium-to-high class housing was a correct term here. In average, respondents had duration of occupancy of 15 to 20 years and most were undertaken housing extension. From 83 respondents out of 170 suspected houses of having insufficient open space was significantly proved that the extension leaved open space toward 0%. This means that lack of private open space is a factual trend here. When lack of open space is a trend, we may easily suspect that green open space is in similar term.Interesting phenomenon was found that apart from good level of early and prior awareness on the necessity of open space, average respondents had significantly lower early knowledge on the importance of open space especially in term of providing rainwater absorption bed. Their knowledge increased gradually currently. However, their current knowledge was still lower than their awareness. This finding is expected to be useful in planning further stage of community outreach to give informal lecture among community due to actual procedure in fixing open space inexistence, especially to further generation.

KAJIAN PENERAPAN PRINSIP-PRINSIP AKUSTIK STUDI KASUS: RUANG AUDITORIUM MULTIFUNGSI GEDUNG P1 DAN P2 UNIVERSITAS KRISTEN PETRA Andy Sutanto; Jimmy Priatman; Christina E. Mediastika
Dimensi Utama Teknik Sipil Vol 1 No 1 (2014): October 2014
Publisher : Program Studi Magister Teknik Sipil - Petra Christian University

ABSTRACT: Besides visual aspect, room acoustic performance is also an important factor in determining multipurpose hall performance. Room acoustic performance can be achieved if some room acoustic objective parameters are taken into account, such as background noise level, reverberation time, and sound coverage. In order to meet these parameters, it can be done by using materials with appropriate coefficient absorbstion on floor, wall, ceiling and room geometry. Room acoustic objective parameters should be considered in design phase for optimum benefit. Room acoustic simulation on the design of multipurpose hall P1 and P2 Petra Christian University will be done by computer simulation.

The Life Cycle Cost Study Comparison Of Air Conditioning System At Q Building Petra Christian University Surabaya Devina Kartika Santoso; Jimmy Priatman; Christina Eviutami Mediastika
Dimensi Utama Teknik Sipil Vol 7 No 1 (2020): April 2020
Publisher : Program Studi Magister Teknik Sipil - Petra Christian University

Global warming has been increasing since last 5th years. This problem emerged because of the development of highrise building these days. In a building, air conditioning system has the largest percentage of building’s energy consumption, 55-65% of total building’s energy consumption. An efficient and economic air-conditioning system is needed to save energy and operational cost as much as possible. Life cycle cost analysis is conducted to evaluate the air conditioning system by comparing some alternatives system. The datas are retrieved from building management and some supplier, also mechanical and electrical contractors. This research is conducted by calculating the investment cost (C), operational cost (O), maintenance and replacement cost (R), and salvage value (S). Before calculating life cycle cost, all cost is converted with annual worth method. Life cycle cost evaluation is capable to save operational cost up to 34%.

RELEVANCY OF INDOOR TEMPERATURE AND FENG SHUI LUO PAN COMPASS: THE CASE OF DOMESTIC BUILDINGS IN SURABAYA, INDONESIA Juan Hogianto; Christina E. Mediastika
Dimensi: Journal of Architecture and Built Environment Vol. 46 No. 1 (2019): JULY 2019
Publisher : Institute of Research and Community Outreach, Petra Christian University, Indonesia

This paper reports an investigation of the scientific justification of room temperature and the beliefs on Luo Pan Compass; a part of Feng Shui wisdom. The compass is a rule of thumb on the placement of a particular room within a house to achieve indoor comfort and occupants’ well-being based on house orientation to the wind direction. The study was conducted in a quantitative method consists of field measurements and questionnaire survey. The result was to be consulted with indoor temperature comfort standard and to the Luo Pan Compass. Eight houses were selected in a purposive method. The investigation showed that the indoor temperature of seven out of eight studied houses were not within the standard. It was in good agreement with the respondents’ opinions. The finding of this study may be referred by building designers that Luo Pan Compass is relevant to the temperature comfort level of the indoor environment.

MEMANFAATKAN TANAMAN UNTUK MENGURANGI POLUSI PARTICULATE MATTER KE DALAM BANGUNAN Christina E. Mediastika
Dimensi: Journal of Architecture and Built Environment Vol. 30 No. 2 (2002): DECEMBER 2002
Publisher : Institute of Research and Community Outreach, Petra Christian University, Indonesia

Polusi particulate matter atau partikel halus tidak hanya terjadi di jalan raya, tetapi juga masuk ke dalam bangunan yang terletak di sepanjang jalan. Oleh karenanya, bangunan seyogyanya memiliki elemen vertikal yang mampu bertugas menghalangi masuknya polusi partikel halus. Salah satu kemungkinan penggunaan elemen vertikal, yaitu tanaman yang ditempatkan pada posisi pagar diteliti dalam studi ini. Mempelajari bahwa partikel halus dengan ukuran tertentu dapat diendapkan dan penyebarannya umumnya terjadi pada lapisan udara rendah, maka studi terhadap tanaman semak atau perdu atau tanaman rambat dengan jenis permukaan daun tertentu lebih diutamakan. Empat jenis tanaman diuji kemampuannya, yaitu: Duranta repens, Polyscias fruticosa, Stephanotis floribunda and Scindapsus sp. Sebagai studi yang sangat awal, masih belum ada hasil valid yang ditawarkan, namun setidaknya ditemukan indikasi bahwa Duranta repens and Stephanotis floribunda mampu menjadi bloking dan mampu mengendapkan sedikit lebih banyak partikel halus dibandingkan dua jenis tanaman lainnya.

Mengatur bebunyian di area urban di Indonesia Christina Eviutami Mediastika; Anugrah Sabdono Sudarsono; Sentagi Sesotya Utami; Isnen Fitri; Rizka Drastiani; Maria Immaculata Ririk Winandari; Akbar Rahman; Asniawaty Kusno; Ni Wayan Meidayanti Mustika; Yuliana Bhara Mberu; Ressy Jaya Yanti; Zulfi Aulia Rachman
ARTEKS : Jurnal Teknik Arsitektur Vol 8 No 1 (2023): ARTEKS : Jurnal Teknik Arsitektur | Januari 2023 ~ April 2023
Publisher : Program Studi Arsitektur Fakultas Teknik Universitas Katolik Widya Mandira

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30822/arteks.v8i1.1953

Like other developing countries where traffic is a significant sound nuisance, traffic in Indonesian urban areas is boisterous. How this condition is regulated by the Indonesian government so that the community can live healthily and comfortably is a very crucial issue. Unfortunately, Indonesia has not had any sound environmental improvement since the regulation was enacted. Additionally, regulators and government officers who run the rule carelessly worsen the condition. This study aims to study how sound is regulated in Indonesia’s central and local governments, what types of sound or noise and levels are covered, and whether recent local regulations have been enacted to regulate sound in Indonesian cities. The study mainly uses quantitative, i.e., snowball or chain referral sampling techniques, to collect sound regulations applied in ten large and busy cities in Indonesia. Then, the qualitative stage was conducted based on the content of the rules. The data shows that the Indonesian government at both the central and regional levels does not have legal standing to regulate noise caused by the absence of noise regulation at the statutory level that can force those who violate the law to be punished. The only regulation is by the Minister of Environment, dated 1996, which is referenced nationally and adopted by most cities without or with minor modifications. This study found that (1) six of the ten cities regulate only one type of noise among various types of noise, (2) twelve of the 35 local regulations incorporate noise regulations into air pollution regulations instead of stand-alone regulations, (3) because provinces and cities adopt central regulations, the lowest noise level follows the central standard at 55 dB for settlement area without specific frequency ranges, (4) there is no straightforward procedure on how measurements to be carried out except in regulations stipulated by Yogyakarta province. There is also a fact that a standardized procedure for measuring noise is vital to be included in the regulation because unskilled government officials collected invalid data in dealing with a noise complaint leading to an unresolved situation.

The Life Cycle Cost Study Comparison Of Air Conditioning System At Q Building Petra Christian University Surabaya Devina Kartika Santoso; Jimmy Priatman; Christina Eviutami Mediastika
Dimensi Utama Teknik Sipil Vol. 7 No. 1 (2020): April 2020
Publisher : Program Studi Magister Teknik Sipil - Petra Christian University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.9744/duts.7.1.10-22

Global warming has been increasing since last 5th years. This problem emerged because of the development of highrise building these days. In a building, air conditioning system has the largest percentage of building’s energy consumption, 55-65% of total building’s energy consumption. An efficient and economic air-conditioning system is needed to save energy and operational cost as much as possible. Life cycle cost analysis is conducted to evaluate the air conditioning system by comparing some alternatives system. The datas are retrieved from building management and some supplier, also mechanical and electrical contractors. This research is conducted by calculating the investment cost (C), operational cost (O), maintenance and replacement cost (R), and salvage value (S). Before calculating life cycle cost, all cost is converted with annual worth method. Life cycle cost evaluation is capable to save operational cost up to 34%.

Penggunaan Angkutan Umum untuk Membangun Life-Skill Siswa Buta dan Empati Sesama Christina Eviutami Mediastika; Lya Dewi Anggraini
Aksiologiya: Jurnal Pengabdian Kepada Masyarakat Vol 7 No 3 (2023): Agustus
Publisher : Universitas Muhammadiyah Surabaya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30651/aks.v7i3.17162

Pendampingan dan pengenalan life-skill pada siswa-siswi buta adalah kegiatan yang sangat penting untuk membekali mereka dalam menjalani kehidupan secara mandiri. Salah satu life-skill yang cukup penting adalah berkegiatan di ruang publik, seperti menggunakan angkutan umum. Pengabdian masyarakat yang dilaporkan dalam paper ini adalah pendampingan dan pengenalan siswa SMP dan SMA berkebutuhan khusus visual dalam menggunakan bus kota dan kereta api lokal. Sebanyak 19 siswa buta bersama 11 mahasiswa pendamping terlibat dalam kegiatan ini. Antusiasme berkegiatan dengan angkutan umum tidak hanya nampak pada siswa buta namun juga pada mahasiswa pendamping. Selama pendampingan, diamati dan digali data kualitattif terkait persepsi siswa buta dalam penggunaan angkutan publik, dengan mahasiswa sebagai enumerator sekaligus pendamping. Data menunjukkan bahwa kegiatan ini memberikan manfaat pada siswa buta belajar banyak hal baru, diantaramya: fasilitas pendukung angkutan publik yang masih menyulitkan dan fasilitas ruang publik kota yang belum sepenuhnya memadai untuk difabilitas netra. Bagi para mahasiswa Program Studi Arsitektur, kegiatan ini membuka wawasan mereka bahwa ada komunitas buta yang perlu mendapatkan perhatian dalam perencanaan dan perancangan lingkungan binaan. Empati desain bagi mahasiswa Arsitektur dapat ditumbuhkan dengan pelibatan langsung mereka dengan komunitas yang membutuhkan desain khusus tersebut

The adaptive thermal comfort of individual performance working at home Ongkowiyono, Jocelyn Octavia; Budianto, Geby Nathasha Tiffany; Armelia, Elizabeth Ferren; Ongkowiyono, Vio Angelina; Mediastika, Christina Eviutami
ARTEKS : Jurnal Teknik Arsitektur Vol 9 No 2 (2024): ARTEKS : Jurnal Teknik Arsitektur | Mei 2024 ~ Agustus 2024
Publisher : Program Studi Arsitektur Fakultas Teknik Universitas Katolik Widya Mandira

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30822/arteks.v9i2.3261

Eco-friendly architecture (EFA) is a design approach to produce healthy and comfortable buildings. In the pandemic era and in years to come when working from home is a trend, a healthy and comfortable home is crucial because people spend their time at home. Thermal comfort is considered the most significant comfort factor for building occupants, especially at home. This paper reports a study on the relationship between thermal comfort, individual performance, and productivity while working at home. Data was collected qualitatively through observation, heat transfer calculation, and in-depth interviews. This study concludes that a thermally comfortable house that follows the EFA concept is an aspect that influences performance and productivity. However, thermal comfort is not the only aspect related to comfort. Habits and adaptation of occupants to certain conditions also affect comfort, which leads to good performance and productivity. Occupants feel comfortable doing office and household tasks at home due to their adaptation to the surrounding thermal comfort based on their preferences.

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