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All Journal Formosa Journal of Science and Technology (FJST)
Hanie Teki Tjendani
Civil Engineering Master's Study Program, Faculty of Engineering Universitas 17 Agustus 1945 Surabaya
Humanities Computer Science & IT Education Industrial & Manufacturing Engineering Social Sciences

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Tourist Transportation Strategy for Pante Lake Lut Tawar in Central Aceh Region Mareza Bagus Candra Pradana; Hanie Teki Tjendani; Bambang Trigunarsyah
Formosa Journal of Science and Technology Vol. 5 No. 6 (2026): June 2026
Publisher : PT FORMOSA CENDEKIA GLOBAL

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.55927/fjst.v5i6.93

Abstract

The growing level of tourist activities in the Pante Menye Danau Lut Tawar area, located in Central Aceh Regency, is not supported by sufficient public transport options designed for tourism. This research seeks to develop efficient routes, create operational frameworks, and evaluate Vehicle Operating Costs (VOC) along with suitable fares for eco-friendly tourist transport. The analysis of route selection and macroscopic transport modeling was conducted using PTV Visum and ArcGIS software via the PuT Assignment method. After simulating the route network load with PTV Visum, it is suggested to operate Route 1 (through Kebayakan) over a distance of 23 km, using a small bus with a capacity for 14 passengers. The operational schedule is intended for 10 hours each day (07. 00 - 17. 00 WIB), aiming for a speed of 40 km/hour.  Based on the analysis using Visum software, the best route for Pante Menye Lake Lut Tawar tourist transportation was selected, namely Route 1 (via Kebayakan), by visually observing the resulting load. Route 1 (via Kebayakan) is 23 km long. This route serves: Jl. Pengulu Gayo - Jl. Lebe Kader - Jl. Abdul Wahab - Jl. Sp. Kebayakan-Bintang. The recommended vehicle type to meet tourist needs and is adjusted to the road dimensions is a Small Bus with a capacity of 14 passengers. The tourist transportation operates 10 hours per day (7:00 AM - 5:00 PM) WIB. The Pante Menye tourist transportation operates at an operating speed of 40 km/h. This route has a travel time of 35 minutes. The number of vehicles required is four with an 18-minute headway
Analysis of Operational Performance and Investment Costs of AKDP Bus Services (Madiun-Ponorogo Route) Using Net Present Value (NPV), Internal Rate of Return (IRR), Payback Period (PP), and Break Event Point (BEP) Methods Irma Kamaliah; Budi Witjaksana; Hanie Teki Tjendani
Formosa Journal of Science and Technology Vol. 5 No. 6 (2026): June 2026
Publisher : PT FORMOSA CENDEKIA GLOBAL

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.55927/fjst.v5i6.92

Abstract

The decrease in public enthusiasm for public transport, driven by a rise in private vehicle usage and other transport options, has led to a review of the effectiveness and quality of public transit services. This study aimed to evaluate the operational efficiency and significance of the Madiun-Ponorogo intercity bus (AKDP) line, as well as to assess the potential for making investments to enhance service quality. The research employed a descriptive quantitative approach. The examination utilized operational performance metrics, while the assessment of investment was carried out using methods such as Net Present Value (NPV), Internal Rate of Return (IRR), Payback Period (PP), and Break Even Point (BEP). Findings indicated that the operational performance of the Madiun-Ponorogo intercity bus route remains inadequate, illustrated by lengthy intervals between buses that lead to extended waiting periods. The investment assessment was deemed financially viable, denoted by a positive NPV, an IRR that exceeds the 6% interest, a Payback Period occurring by the fifth year with a net gain of Rp 578,131,790, and a BEP that surpasses the established minimum in both unit and monetary values
Implementation of Risk-Based Quality Management (RBQM) in Controlling Quality and Cost Risks in the Widening Work of Hang Tuah Street, Airport Intersection-Batu Besar Intersection Section In Batam City Martina Magdalena Tuulima; Hanie Teki Tjendani; Bambang Trigunarsyah
Formosa Journal of Science and Technology Vol. 5 No. 6 (2026): June 2026
Publisher : PT FORMOSA CENDEKIA GLOBAL

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.55927/fjst.v5i6.90

Abstract

A disproportionate quality cost structure was created as a result of the systematic failure to use RBQM, where failure costs far outweighed the initial expenditures in prevention. The entire recorded quality charges came to Rp2,527,699,700.32, which is 3.70% of the Rp68,284,483,721.22 final contract value. The real project failure costs are projected to be significantly higher than the stated value since Prevention Costs and Internal Failure Costs were not recorded as distinct categories. The external failure costs of Rp980,049,700.32 were equal to more than half of the entire supervision investment made, as shown by the ratio of external failure costs to appraisal expenses reaching 63.3%. Rp726,113,833.42, or 74.1%, of this sum. According to the relationship pattern discovered, risks that are not identified until the project is finished result in External Failure Costs (EFC), whereas risks that are fixed during implementation still result in Internal Failure Costs (IFC), which are absorbed in project overhead and are not explicitly documented. In the case of road infrastructure projects, the two aforementioned results show that the RISK → QUALITY → COST chain is a tangible and quantifiable causal mechanism rather than just a theoretical framework. Inadequate RBQM implementation immediately leads to quality failures that go unnoticed, which eventually results in expenses that are significantly higher than those that might have been avoided in the first place
Traffic Volume-Based Road Infrastructure Performance Analysis in Jl. A. Yani Gedangan, Sidoarjo Regency Nursaid; Budi Witjaksana; Hanie Teki Tjendani
Formosa Journal of Science and Technology Vol. 5 No. 6 (2026): June 2026
Publisher : PT FORMOSA CENDEKIA GLOBAL

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.55927/fjst.v5i6.83

Abstract

This research intends to evaluate the features of traffic flow and the effectiveness of road infrastructure along Jl. A Yani Gedangan in Sidoarjo Regency. The study was carried out on a 1. 2-kilometer stretch from KM 2+100 to KM 3+300 over a week (from March 10 to March 16, 2026). Methods for field surveys involved measuring traffic volume, speed, travel duration, and road layout. The analysis of road performance is based on the 2023 Indonesian Road Capacity Guidelines (PKJI). Findings indicate that the Average Daily Traffic (ADT) stands at 17,867 passenger car units per day, with motorcycles constituting 65 percent of that total. The highest traffic volumes are recorded from 07:00 to 08:00, reaching 2,150 pcu per hour, and from 16:00 to 17:00 with 2,080 pcu per hour. The road's capacity is determined to be 2,344 pcu per hour, and the degree of saturation is calculated at 0. 917 during the morning peak and 0. 887 in the afternoon peak, categorizing it as saturated. In the morning peak hours, the average speed decreases to 18 kilometers per hour, resulting in a Level of Service rating of F, indicating severe congestion. In summary, the traffic flow characteristics on Jl. A Yani Gedangan are primarily dominated by motorcycles, featuring distinct morning and evening peak periods. However, the performance of road infrastructure falls short of acceptable standards due to high saturation levels, lower-than-acceptable speeds, and inadequate levels of service. Recommendations include measures to lower traffic volumes during peak times, implement controls on illegal parking, and enhance road infrastructure
Examination of Service Excellence Criteria and Viability of Investing in Damri Specialized Transportation for the Purabaya Terminal Path to Juanda Airport through the Fuzzy Servqual Method and Importance Performance Analysis (IPA) Luh Putu Rewinda Wiriandeni; Hanie Teki Tjendani; Budi Witjaksana
Formosa Journal of Science and Technology Vol. 5 No. 6 (2026): June 2026
Publisher : PT FORMOSA CENDEKIA GLOBAL

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.55927/fjst.v5i6.82

Abstract

The Damri transport service operating between Terminal Purabaya and Juanda Airport is currently facing a situation of low usage of its fleet capacity. This scenario is reflected in the load factor, which stays under the ideal benchmark of 70% for public transportation, according to the Decree issued by the Director General of Land Transportation Number 687 of 2002. Such a situation highlights the necessity for enhancements in service quality and accompanying facilities. The purpose of this study is to pinpoint the existing gaps in service, establish priorities for service enhancement based on the significance and effectiveness of service characteristics, and evaluate the viability of creating waiting room facilities to aid in elevating service quality. The findings indicated that the most significant gap was identified in the disabled passengers' amenities, with a figure of (-1.74). Utilizing Importance Performance Analysis (IPA), four key factors were identified as top priorities for enhancement: information regarding security disturbances, service-related information, waiting area amenities, and accommodations for passengers with disabilities. The analysis of the viability related to the costs of constructing the Damri bus waiting area demonstrates that the endeavor is viable to proceed, exhibiting an IRR of 46%, a BCR greater than 1, and a positive NPV across all evaluated interest rates
Dynamic System Simulation for Optimizing the Ready-to-Load Parking Capacity at the LCM Wharf, Ferry Port Abdurrahman Mahdy Al Faishal; Hanie Teki Tjendani; Budi Witjaksana
Formosa Journal of Science and Technology Vol. 5 No. 6 (2026): June 2026
Publisher : PT FORMOSA CENDEKIA GLOBAL

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.55927/fjst.v5i6.71

Abstract

The integration of the Trans-Java Toll Road has triggered induced demand and batch arrival patterns at the Ketapang Ferry Port, potentially creating structural bottlenecks due to space limitations. This study aims to determine the ideal capacity of the 6,170 m² ready-to-load parking area at LCM Piers (IV, V, and VI) to mitigate vehicle queues using a dynamic system simulation method (Powersim). Evaluation based on daily operational data for normal conditions and the peak season for the March 2026 Eid al-Fitr transportation period indicates that parking performance is ideal for the Class VII vehicle scenario with a Density Index of 0.57 (57% utilized), leaving 2,651 m² of idle space. Conversely, in the Class VIII vehicle scenario, land space utilization reaches saturation with a Density Index of 0.98 (98% utilized), leaving only 2% of the remaining space (123 m²). This critical condition triggers the highest level of warning (critical alarm), because a minor delay in the ship loading process will immediately cause a queue of vehicles to overflow outside the port authority or national road
Examination of Operational Strategy and Economic Viability of Bus Rapid Transit (BRT) Along the Porong - Pasuruan Route Through Four Step Model Analysis Dimas Wisnu Haryoko; Budi Witjaksana; Hanie Teki Tjendani
Formosa Journal of Science and Technology Vol. 5 No. 7 (2026): July 2026
Publisher : PT FORMOSA CENDEKIA GLOBAL

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.55927/fjst.v5i7.104

Abstract

The continued increase in the number of motorized vehicles each year, at a growth rate of approximately 4.6%, is a strong indication that the public's mobility needs are not being met by adequate public transportation services. The purpose of this study is to develop an optimal Bus Rapid Transit (BRT) operational plan for the Porong-Pasuruan corridor and to analyze the financial feasibility of implementing it. The BRT service operates from 5:00 AM to 9:00 PM (16 hours). The total route length is 33.4 kilometers per hour. The planned operating speed is 30 kilometers per hour, resulting in a travel time of 66.8 minutes. The round-trip travel time is 143.6 minutes. The vehicle headway is 14.65 minutes. The trip frequency is 4.1 vehicles per hour. The cycle time from A to B and back to A is 153.62 minutes. The number of trips per vehicle is 6 trips, and the fleet requirement is 10 vehicles. The benefit-cost ratio (BCR) calculation yields a value of 1.10. A BCR value > 1 means that the Porong-Pasuruan corridor Bus Rapid Transit (BRT) implementation project is declared feasible because the total benefits are greater than the costs incurred
Co-Authors Abdurrahman Mahdy Al Faishal Bambang Trigunarsyah Budi Witjaksana Dimas Wisnu Haryoko Irma Kamaliah Luh Putu Rewinda Wiriandeni Mareza Bagus Candra Pradana Martina Magdalena Tuulima Nursaid