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Determinant Factors of Drainage Infrastructure Project Success in Simpang Sanur–Tohpati Area, Denpasar City Kumara, I Nyoman Indra; Harefa, Pandu Sambuaga; Tapa, I Gede Fery Surya; Pancane, I Wayan Dikse; Indrashwara, Decky Cipta; Putri, Dewa Ayu Putu Adhiya Garini
Journal of Civil Engineering and Planning (JCEP) Vol. 6 No. 2 (2025)
Publisher : Program Studi Sarjana Teknik Sipil Universitas Internasional Batam

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.37253/jcep.v6i2.10303

Abstract

The city of Denpasar has experienced rapid urbanization, necessitating improvements in infrastructure. One such infrastructure project is located in the Simpang Sanur–Tohpati area of Denpasar City. The success of this drainage project is crucial in addressing the recurring flood problems that threaten the city annually. This study aims to analyze the key determinants of project success in the drainage management initiative in the Simpang Sanur–Tohpati area. A quantitative approach was employed, using multiple linear regression analysis to examine the relationship between independent variables and the dependent variable. Primary data were collected through questionnaires distributed to respondents from the Denpasar City Government, contractors, and consultants directly involved in the implementation of the project. The findings indicate that cost, time, quality, and occupational health and safety (OHS) have a significant influence on project success. Notably, the study highlights the need to pay particular attention to OHS implementation, even though its statistical contribution is relatively smaller compared to the other factors. This research contributes to a better understanding among stakeholders of the importance of each factor in determining project success. It underscores the need for thorough project planning, emphasizing that cost, time, quality, and the implementation of OHS are critical factors that significantly influence the success of future projects.
Performance Analysis of Public Transport in Gianyar Regency Ida Bagus Wirahaji; I Ketut Sutapa; I Gede Fery Surya Tapa
Logic : Jurnal Rancang Bangun dan Teknologi Vol. 23 No. 1 (2023): March
Publisher : Unit Publikasi Ilmiah, P3M, Politeknik Negeri Bali

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31940/logic.v23i1.62-67

Abstract

The performance of an urban public transport plays an important role in accommodating population mobility and realizing sustainable transportation. The performance of public transport can be influenced by several factors, including the quality of public transport services themselves and the accessibility of the roads they pass. Service quality concerns arrival frequency, waiting time, travel time and so on. Road accessibility is influenced by the presence of side barriers, such as parking vehicles on the road, vehicles in and out, slow vehicles, and so on. This study analyzes the exogenous latent variables of Service Quality and Road Accessibility that affect the endogenous variables of Public Transportation Performance in Gianyar Regency, especially on the Batubulan-Ubud Terminal Route. The method of collecting community perception data is by distributing 250 questionnaires to respondents who live along the Batubulan-Ubud Terminal Route Corridor. The data analysis method used Statistical Equation Modeling (SEM) AMOS. Validity and reliability tests were carried out using the confirmatory factor analysis (CFA) method. Based on the results of the analysis, it was found that the quality of public transportation services had a significant positive effect, with p value = 0.18 <0.05, path coefficient 0.049. Road accessibility also has a significant positive effect, with p value = 0.035 < 0.05, coefficient. line 0.225. The Goodness of Fit test also fulfills parameters such as: Chi-square count 66.27 < Chi-square table 81.381; Probability 0.332 0.05; CMIN/DF 1.069 2.00; GFI 0.961 0.960; AGFI 0.943 0.90; TLI 0.995 0.950; CFI 0.995 0.95; RMSEA 0.000 0.08 all meet. The performance of public transportation on the Batubulan-Ubud Terminal Route is considered very bad due to poor service quality and road accessibility.
Behavior And Performance Of Steel Frame Structures With X-Type Concentric Bracing System Due To Variations In Comparison Of Span Width To Story Height (L/H) I Nyoman Indra Kumara; I Gede Fery Surya Tapa; I Nengah Darma Susila
Logic : Jurnal Rancang Bangun dan Teknologi Vol. 23 No. 2 (2023): July
Publisher : Unit Publikasi Ilmiah, P3M, Politeknik Negeri Bali

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31940/logic.v23i2.85-95

Abstract

X-type bracing is the strongest bracing. The bigger ratio of the width of the span to the high level (L/H), the slope of the angle on the bracing will be more declivous. The analysis of the structure with the L/H ratio to determine the behavior of the structure using linear analysis of response spectrum and structural performance using the static nonlinear pushover analysis (ETABS 2016) to determine the displacement target that occurred in the structure. Structural modeling is done on 3D portals with levels of 3, 5, 8 and 10 floors with different L/H variations, including L/H=1; L/H=1.25; L/H=1.5; L/H=1.75; and L/H=2. Structural modeling is planned to be in the Surabaya area with moderate soil conditions. This study obtains data such as: (1) The largest maximum drift and floor drift are at type L/H=2, (2) The largest base shear force in the nonlinear pushover analysis at each story occurs at L/H=1, (3 ) In the yield condition type L/H=1 has the smallest percentage of structural stiffness, but in the ultimate condition type L/H=1 has the largest percentage of structural stiffness, and (4) The highest ductility value at each story occurs in type L/H=2 . Based on these results, it shows that the greater the type of L/H in the bracing structure, the greater the displacement target produced. If the angle of bracing becomes more sloping, then the displacement and target displacement that occurs increases.
The Impact of Investment Experience, Financial Literacy And Perception of Ease of Use On The Risk Tolerance of Gen Z Investors In Denpasar City I Gede Fery Surya Tapa; Komang Irvan; I Nyoman Gede Arya Diatmika; Made Mulyadi
Al-Zayn: Jurnal Ilmu Sosial, Hukum & Politik Vol 4 No 1 (2026): 2026
Publisher : Yayasan pendidikan dzurriyatul Quran

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.61104/alz.v4i1.3055

Abstract

The significant increase in the number of retail investors in Indonesia, particularly among Generation Z, has reshaped the dynamics of the capital market; however, this escalation is not always accompanied by adequate financial literacy, which may increase vulnerability to risk and poor investment decisions. This study aims to analyze the influence of investment experience, financial literacy, and perceived ease of use of digital investment applications on the risk tolerance of Gen Z investors in Denpasar City. This research adopts a quantitative approach by distributing questionnaires to respondents selected through purposive sampling and analyzing the data using multiple linear regression supported by validity, reliability, and classical assumption tests. The findings reveal that investment experience, financial literacy, and perceived ease of use each significantly and positively influence risk tolerance, while collectively demonstrating a strong explanatory power for variations in investors’ risk tolerance levels. These results imply the importance of strengthening financial education and responsible digital investment practices to enhance the quality of investment decision-making among young investors in the digital era
Performance Analysis of the Tukad Pakerisan South Denpasar Road Section Using the 2023 Indonesian Road Capacity Guidelines Method: Analisis Kinerja Ruas Jalan Tukad Pakerisan Denpasar Selatan Menggunakan Metode Pedoman Kapasitas Jalan Indonesia 2023 Luh Putu Merta Karunia Putri; I Gede Fery Surya Tapa; I Putu Kresna Suputra; Carolina Susana Putri Nahak; Putu Ariawan; Putu Budiarnaya
PUBLIKASI RISET ORIENTASI TEKNIK SIPIL (PROTEKSI) Vol 7 No 2 (2025): Vol.7 No 2 (2025)
Publisher : Universitas Negeri Surabaya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.26740/proteksi.v7n2.p228-233

Abstract

This study analyze the performance of the existing condition the Tukad Pakerisan road section, as well as the projected performance of the road section for the next 5 years. The method uses the 2023 Indonesian Road Capacity Guidelines (PKJI) method. Data were collected through a survey 2 weekdays and 2 weekend days for 12 hours, which was conducted on two road segments road section. The analysis show that the traffic flow volume on segment A is 2025.45 pcu/hour and B is 1865.65 pcu/hour, the road capacity on segment A is 1877.669 pcu/hour and B is 1671.583 pcu/hour, and the degree of saturation on segment A reaches 1.08 and segment B reaches 1.12, which indicates that the road condition is at service level F, meaning it is experiencing severe congestion. Performance projections for the next five years indicate that the degree of saturation is expected to continue to increase beyond the acceptable limit of the degree of saturation set in the 2023 PKJI, which is 0.85. The results that the Tukad Pakerisan road section requires traffic engineering related to traffic diversion during peak hour and  recommends the addition of traffic signs and the implementation of traffic engineering to reduce congestion.
Variasi Temperatur Termophilic Pada Digester Biogas Berbahan Baku Limbah Kulit Durian Prakasa, I Made Panji Tirta; Sutasoma, I Wayan Gde; Tapa, I Gede Fery Surya; Dayanti, Made Ari Riska
Jurnal Mekanik Terapan Vol 6 No 3 (2025): Desember 2025
Publisher : Politeknik Negeri Jakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.32722/jmt.v6i3.7910

Abstract

The global energy crisis and Indonesia's dependence on fossil fuels (BBF) have driven the need to explore renewable energy sources. Biogas, as a sustainable solution, is produced through anaerobic degradation of materials with methane (CH₄) 50–75% and carbon dioxide (CO₂) 30–45% as its dominant components. Agro industrial waste such as durian peel shows great potential for biogas production, as Indonesia produces more than 19 thousand tons of durian annually according to the 2024 Statistics Indonesia report. Utilizing durian peel is ideal since its composition (65–80%) is significantly higher than that of the pulp (20–35%) and seeds (5–15%). This study employed a substrate ratio of 5 grams of total solids (TS) + 100 mL of inoculum + 200 mL of distilled water, with intermittent stirring (three times per day, 1 minute per session). The tested temperature variations under thermophilic conditions 40°C, 45°C, and 50°C, including one control without heating. The analysis focused on daily pressure accumulation and gas composition profiles (CH₄ and CO₂). The results show that 40°C (thermophilic condition) achieved maximum efficiency due to optimal methanogenic microbial activity, producing higher methane (CH₄) yield compared to other temperatures. This study contributes to the development of renewable energy from agricultural waste in tropical regions and supports Indonesia’s national energy transition program.
Sosialisasi pengelolaan sampah sebagai upaya peningkatan peran masyarakat di desa Sukawati Tapa, I Gede Fery Surya; Putra, I Ketut Anzas Dwi Anggara; Kumara, I Nyoman Indra; Indrashwara, Decky Cipta; Mahaswari, Ida Ayu Mirah
SELAPARANG: Jurnal Pengabdian Masyarakat Berkemajuan Vol 8, No 3 (2024): September
Publisher : Universitas Muhammadiyah Mataram

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31764/jpmb.v8i3.26140

Abstract

Abstrak Program Sosialisasi Pengelolaan Sampah Sebagai Upaya Peningkatan Peran Masyarakat di Desa Sukawati bertujuan untuk memperbaiki pengelolaan sampah di desa tersebut melalui pendekatan edukasi dan aksi lingkungan. Desa Sukawati, yang dikenal dengan potensi seni dan budayanya, menghadapi tantangan serius terkait pengelolaan sampah akibat kurangnya kesadaran dan pengetahuan masyarakat. Metode pelaksanaan yang digunakan yaitu, melibatkan tiga tahap utama. Pertama, tahap sosialisasi dan edukasi akan dilakukan melalui seminar dan lokakarya. Selanjutnya, tahap implementasi aksi lingkungan akan mencakup kegiatan gotong royong membersihkan lingkungan. Terakhir, evaluasi dan keberlanjutan program akan dilakukan dengan survei dan observasi untuk menilai dampak program serta pembentukan tim pengelola lingkungan desa yang akan mengawasi pelaksanaan dan memastikan program berjalan berkelanjutan. Melalui tahap sosialisasi dan edukasi, masyarakat menunjukkan peningkatan pemahaman tentang pentingnya pemilahan sampah dan cara melakukannya. Implementasi aksi lingkungan, termasuk gotong royong, lomba kebersihan, dan pembentukan bank sampah, memperlihatkan partisipasi aktif warga dalam pengelolaan sampah, yang berdampak positif pada penurunan volume sampah yang dibuang ke TPA dan peningkatan daur ulang. Kata kunci: sosialisasi; pengelolaan sampah; desa sukawati Abstract Program Sosialisasi Pengelolaan Sampah Sebagai Upaya Peningkatan Peran Masyarakat di Desa Sukawati bertujuan untuk memperbaiki pengelolaan sampah di desa tersebut melalui pendekatan edukasi dan aksi lingkungan. Desa Sukawati, yang dikenal dengan potensi seni dan budayanya, menghadapi tantangan serius terkait pengelolaan sampah karena kurangnya kesadaran dan pengetahuan masyarakat. Metode pelaksanaannya yaitu melibatkan tiga tahap utama. Pertama, tahap sosialisasi dan edukasi akan dilakukan melalui seminar dan lokakarya. Selanjutnya tahap implementasi aksi lingkungan akan mencakup kegiatan gotong royong membersihkan lingkungan. Terakhir, evaluasi dan penghentian program akan dilakukan dengan survei dan observasi untuk menilai dampak program serta pembentukan tim pengelola lingkungan desa yang akan mengawasi pelaksanaan dan memastikan program berjalan berkelanjutan. Melalui tahap sosialisasi dan edukasi, masyarakat menunjukkan peningkatan pemahaman tentang pentingnya pemilahan sampah dan cara melakukannya. Implementasi aksi lingkungan, termasuk gotong royong, lomba kebersihan, dan pembentukan bank sampah, menampilkan partisipasi aktif warga dalam pengelolaan sampah, yang berdampak positif pada penurunan volume sampah yang dibuang ke TPA dan peningkatan daur ulang. Keywords: socialization; waste management; sukawati village
Segmentasi Konsumen Zero Waste Menggunakan Metode Gaussian Mixture Model dan Fuzzy C-Means Berdasarkan Preferensi dan Perilaku Pembelian Ni Luh Putu Ika Candrawengi; I Gusti Ngurah Putu Dharmayasa; I Gede Fery Surya Tapa; Anak Agung Sagung Istri Ratu
Journal of Innovative and Creativity Vol. 5 No. 2 (2025)
Publisher : Fakultas Ilmu Pendidikan Universitas Pahlawan Tuanku Tambusai

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31004/joecy.v5i2.1319

Abstract

The increasing concern for the environmental problems has led to the growth of zero-waste stores as a form of sustainable consumption. This study aims to identify consumer segmentation in zero waste stores in North Kuta, Bali, based on preferences and purchasing behavior. Data was gathered through reliable and valid questionnaires involving 80 respondents who had shopped at three zero waste stores. The analysis was conducted using GMM (Gaussian Mixture Model) and FCM (Fuzzy C-Means) algorithms, with evaluation using silhouette coefficient and ICD Rate. The results showed that GMM was more optimal in forming homogeneous clusters (ICD Rate: 0.715). Three main clusters were identified: Eco-Engaged Advocates (respondents who are loyal and environmentally conscious), Value-Conscious Supporters (respondents who focus on product value), and Occasional Shoppers (pragmatic respondents who are responsive to promotions). The findings provide strategic implications for businesses in developing a more adaptive and data-driven marketing approach.
The effect of product quality, price, and distribution on customer satisfaction with korigengi products on Tokopedia Tapa, I Gede Fery Surya; Korry, Putu Dyah Permata; Widiantari, Komang Sri; Danuarta, Maulana Ari
Priviet Social Sciences Journal Vol. 6 No. 2 (2026): February 2026
Publisher : Privietlab

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.55942/pssj.v6i2.1433

Abstract

The expansion of digital commerce in Indonesia has reshaped the way local creative brands compete in online marketplaces. Although platforms such as Tokopedia enable sellers to reach a wider audience, maintaining customer satisfaction has become increasingly challenging due to market saturation. KORIGENGI is a local brand specializing in otaku-themed merchandise that operates through Tokopedia, yet its competitive position remains weaker than that of several rival stores. This study aims to analyze how product quality, price perception, and distribution performance influence customer satisfaction with KORIGENGI products on Tokopedia. This research applies a quantitative approach using survey data collected from customers who have previously purchased KORIGENGI products. Structured questionnaires were distributed online and measured using a Likert scale. The collected data were examined through instrument testing, classical assumption testing, and multiple linear regression analysis. The findings indicate that product quality, price, and distribution exert positive and statistically significant effects on customer satisfaction. When examined simultaneously, these variables collectively explain the variations in customer satisfaction. Product quality was the most influential factor, followed by price and distribution. The results highlight the importance of delivering high-quality products, applying appropriate pricing strategies, and ensuring reliable distribution processes to enhance customer satisfaction in competitive e-commerce environments.
Identification and control of Occupational Health and Safety (OHS) risks in the slope and drainage reinforcement project on the Paksebali – Selat Provincial Road Section Kumara, I Nyoman Indra; Suparta, I Gede Agus; Ariana, I Komang Agus; Tapa, I Gede Fery Surya
Priviet Social Sciences Journal Vol. 6 No. 3 (2026): March 2026
Publisher : Privietlab

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.55942/pssj.v6i3.1502

Abstract

The slope and drainage reinforcement project on the Paksebali–Selat Provincial Road section involves a relatively high potential for Occupational Health and Safety (OHS) risks due to excavation works, concrete casting, the use of heavy equipment, and hazardous working environment conditions. This study aims to identify extreme and high risks that may lead to work accidents and to determine appropriate OHS risk control measures for the project. The research method employed is a quantitative descriptive approach, with data collected through field observations, interviews, questionnaires, and documentation studies. Risk assessment was conducted based on the AS/NZS 4360 standard by multiplying the probability and severity levels, whereas risk control was analyzed using the Plan–Do–Check–Act (PDCA) cycle approach. The results indicated that the risks identified in this project fell into the extreme and high-risk categories, particularly in excavation works, road shoulder concrete casting, and heavy equipment mobilization. Potential hazards included landslides, being struck by equipment, and accidents caused by improper work methods. Risk control measures were implemented through improvements in work methods, enforcement of Personal Protective Equipment (PPE) usage, enhanced supervision, installation of safety signs, and the regular implementation of training and safety meetings. The application of appropriate risk control measures is expected to minimize workplace accidents and improve overall project safety performance.
Co-Authors Agus Ariana, I Komang Anak Agung Sagung Istri Ratu Anggreni, Ni Luh Jaya Ariawan, Putu Aris Sanjaya, Ketut Bagus Astrawan , I Kadek Angga Budi Budiarnaya, Putu Candrawengi, Ni Luh Putu Ika Carolina Susana Putri Nahak Danuarta, Maulana Ari Dayanti, Made Ari Riska Decky Cipta Indrashwara Dewa Ayu Putu Adhiya Garini Putri Dewa Ayu Trisna Adhiswari Wedagama Garini Putri, Dewa Ayu Putu Gede Teguh Prasetya Muttiwijaya Hampur, Oktavianus Handayani, Ni Made Risma Harefa, Pandu Sambuaga I Gusti Agung Ananda Putra I Gusti Ngurah Putu Dharmayasa I Ketut Sutapa I Komang Suta Wijaya I Nengah Darma Susila I Nengah Darma Susila, I Nengah Darma I Nyoman Gede Arya Diatmika I Nyoman Indra Kumara I Putu Kresna Suputra I PUTU PRANA WIRAATMAJA, I PUTU PRANA I Wayan Muka Ida Bagus Wirahaji Indrashawara, Decky Cipta Indrawan, I Made Adi Kenny Christovorus Manek Komang Irvan Komang Sri Widiantari Liemena, Made Prema Putri Luh Putu Merta Karunia Putri Made Mulyadi Made Novia Indriani Mahaswari, Ida Ayu Mirah Melati Budi Srikandi Ni Komang Ayu Trisna Devi Ni Luh Putu Ika Candrawengi Nuraga, Ketut Pancane, I Wayan Dikse Prakasa, I Made Panji Tirta Predana, Made Aryatirta Putra, I Ketut Anzas Dwi Anggara Putra, I Made Pratista Dwi Putri, Luh Putu Merta Karunia Putu Ariawan Putu Ariawan Putu Dyah Permatha Korry Putu Indah Dianti Putri Ratih Suwarningsih, Ketut Ayu Re Dream JS Jacko Remses Suparta, I Gede Agus Sutasoma, I Wayan Gde Wisudana, I Made wiwid, Dea Anasthasya Yasa, P. Adi Yuliadewi, Ni Putu Ary Yuliandewi, Ni Wayan Zainordin, Nadzirah