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All Journal Astonjadro Jurnal Indonesia Sosial Teknologi
Anas, M. Ridwan
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Civil Engineering, Building, Construction & Architecture Computer Science & IT Economics, Econometrics & Finance Environmental Science Law, Crime, Criminology & Criminal Justice Social Sciences

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Analysis of Secondary Local Road Conditions Using the Surface Distress Index (SDI) Method in Medan Amplas District Lubis, Edo Rizki Pradana; Hasibuan, Gina Cynthia Raphita; Anas, M. Ridwan
ASTONJADRO Vol. 14 No. 1 (2025): ASTONJADRO
Publisher : Universitas Ibn Khaldun Bogor

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.32832/astonjadro.v14i1.16884

Abstract

Road network data and information and spatial supporting infrastructure are important to a road database management planning process. Medan Amplas District, Medan City has a road network divided into national authority roads, provincial roads and city roads, which is 143.14 km. The study area in this research is a flexible pavement-type secondary local road with a length of 33.12 km. The method used in this research is the Surface Distress Index (SDI) Method. SDI divides road conditions into 4, namely good condition, moderate condition, lightly damaged condition and heavily damaged condition. According to RCS or SKJ 2011, there are only 4 elements that are used as support for calculating the SDI value, namely % crack area, average crack width, number of holes, and average rutting depth. From the results of the analysis of the level of road damage in secondary local roads with flexible pavement type in Medan Amplas District, namely 51 road sections in good condition (98%) and 1 road section in fair condition (2%). It can be concluded that the condition of Secondary Local roads in Medan Amplas District is in good condition and only requires routine maintenance at certain points on each road section. The condition of the Secondary Local roads in Medan Amplas District using the SDI Method is in Good Rating, but the Denai River Inspection Road section has a rating of moderate damage.
The Characteristics of Trans Metro Deli Bus Passengers in Medan Fitri, Fadilla; Hasibuan, Gina Cynthia Raphita; Anas, M. Ridwan
ASTONJADRO Vol. 14 No. 1 (2025): ASTONJADRO
Publisher : Universitas Ibn Khaldun Bogor

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.32832/astonjadro.v14i1.17174

Abstract

As the government’s response to the areas in developing countries, they took steps to reform the existing public transportation service system, one of which is by implementing the Trans Metro Deli (TMD) bus system, a revolutionary public transportation system. Intended to improve mobility and reduce congestion, TMD has become a symbol of transformation in urban transportation in Medan. TMD strives to provide reliable, affordable, and efficient public transportation services for Medan residents. The purpose of this study is to analyze the existing conditions of Trans Metro Deli buses and the characteristics of passengers by using questionnaires and descriptive analysis. The research results show that the existing conditions based on the Minimum Service Standards (Standar Pelayanan Minimal PM 27 Tahun 2015) regarding security, safety, and comfort are respectively 66,66%; 56,25%; and 72,72% which means that the existing conditions of the Trans Metro Deli bus have not been complied 100% based on the Minimum Service Standards PM 27 of 20115 (Standar Pelayanan Minimal PM 27 Tahun 2015). The results of the descriptive analysis study for the characteristics of passengers who use the Trans Metro Deli buses, based on gender which is 80% female, resides in Medan is 88%, are aged 15-25 years old is 78%, employment is 82% students, in-family roles as children is 90%, none ownership of vehicle is 49%, income < Rp500.000 is 49%, travel origination of house/boarding house/rent house is 61%, travel destination is 42% school/college, travel frequency 2 times per day is 53%, travel frequency 26-30 times per month is 38%, travel mode from the origin to the bus stop by walking is 37%, travel mode from the bus stop to the destination by walking is 52%, travel distance from the origin to the bus stop > 400 meter is 33%, travel distance from the bus stop to the destination > 400 meter is 37%, 15-30 minutes travel time by Trans Metro Deli bus is 37% , < 15 minutes travel time from the origin to the bus stop is 65%, < 15 minutes travel time from the bus stop to the destination is 33%, travel cost from the origin to the bus stop Rp2000 – 4000 is 45%, and travel cost from the bus stop to the destination Rp2000 – 4000 is 43%.
The Analysis of Rescheduling the Savanna Sumatera Bridge Project Using the Pert Method Panjaitan, Alfin Lambok Pascatama; Hasibuan, Gina Cynthia Raphita; Anas, M. Ridwan
ASTONJADRO Vol. 14 No. 2 (2025): ASTONJADRO
Publisher : Universitas Ibn Khaldun Bogor

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.32832/astonjadro.v14i2.17302

Abstract

Project schedules are generally created manually, which may lead to delays during the implementation on-site. It is due to the non-inclusion of the uncertainty factor in planning the project schedule. Delays in accomplishing one activity will result in delays in the next one. This study was intended to conduct rescheduling process to minimize the delay in the implementation of the Savanna Sumatera Bridge Project. The study applied PERT method in the rescheduling exercise by using three times conjectures on each project work item, which are: optimistic duration, most likely duration, and pessimistic duration. The results showed that the project was completed in 162 working days with a probability of completion of 99.9%, 34 days faster than the target project duration of 196 working days.
The Influence of HR Management Quality on Improving the Performance of Contracting Companies in North Sumatra Septian Tampubolon, Moses Hasiholan; Raphita Hasibuan, Gina Cynthia; Anas, M. Ridwan; Bakara, Ricky
Jurnal Indonesia Sosial Teknologi Vol. 5 No. 6 (2024): Jurnal Indonesia Sosial Teknologi
Publisher : Publikasi Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.59141/jist.v5i6.1136

Abstract

This research aims to determine the influence of the quality of human resource management on the performance of contractor companies in North Sumatra. The hypothesis proposed is that there is a positive relationship between the quality of human resources and the performance of contractor companies. A total of 24 respondents from 6 contractor companies were selected as samples using the probability sampling method. The research results show that there is an influence between the quality of human resources on company performance. This is proven by the results of the hypothesis test which shows the calculated t value of 10.785, exceeding the t table value of 2.074. Therefore, the null hypothesis is rejected, indicating that there is a significant influence between the quality of human resource management and the performance of contractor companies in North Sumatra. From the research results, it can be concluded that the quality of human resource management has a significant influence on the performance of contractor companies in North Sumatra 84.1%; the remaining 15.9% is influenced by other factors. Therefore, it is recommended to improve the quality of human resource management to improve the performance of contractor companies.
Co-Authors Bakara, Ricky Fitri, Fadilla Hasibuan, Gina Cynthia Raphita Lubis, Edo Rizki Pradana Marpaung, Masista Panjaitan, Alfin Lambok Pascatama Raphita Hasibuan, Gina Cynthia Septian Tampubolon, Moses Hasiholan