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Bernathius Julison
Universitas Cenderawasih, Indonesia
Humanities Civil Engineering, Building, Construction & Architecture Computer Science & IT Economics, Econometrics & Finance Education Energy Engineering Environmental Science Languange, Linguistic, Communication & Media Law, Crime, Criminology & Criminal Justice Library & Information Science Medicine & Pharmacology Public Health Social Sciences Transportation Other

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Journal : Journal of Social Research

 1 
The Impact of Pavement Condition Index on Life Cycle Cost of Tiom-Kuyawage and Tiom-Balingga Road Sections in Lanny Jaya Regency Wanimbo, Yaro; Bahtiar, Bahtiar; Julison, Bernathius; Rante, Harmonis; Rusim, Dewi Ana
Journal of Social Research Vol. 4 No. 7 (2025): Journal of Social Research
Publisher : International Journal Labs

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.55324/josr.v4i7.2614

Abstract

The Papua Mountains region has extreme geographical challenges that have an impact on the high need for road infrastructure maintenance. This study aims to analyze the relationship between the value of the Pavement Condition Index (PCI) and Life Cycle Cost (LCC), and to consider estimated inflation and net present value (NPV) as the basis for long-term budget planning. The study was conducted on the Tiom–Kuyawage (4.6 km) and Tiom–Balingga (2.7 km) roads in Lanny Jaya Regency. The PCI value in Tiom–Kuyawage has decreased significantly from 89.19 (2023) to 58.30 (2025), while Tiom–Balingga remains high at 87.44 (2025). The projected total maintenance cost for 20 years (2025–2045) shows a need of IDR 201.42 billion for Tiom–Kuyawage and IDR 122.62 billion for Tiom–Balingga. However, if calculated based on present value (NPV), assuming inflation of 3.09% and an interest rate of 5.04%, the actual need will be IDR 105.75 billion and IDR 64.58 billion, respectively. These findings suggest that the deterioration of road conditions (PCI) directly raises the cost of maintenance (LCC), and that the use of an NPV-based financial approach is important for budget efficiency. This study recommends a road maintenance strategy based on actual conditions, to be carried out periodically in the mountainous Papua region.
The Influence Of Road Geometry On The Central Government Policy For The Trans Papua Road Segment Iv Jayapura–Elelim–Wamena Rumagit, Mexan Andry; Bahtiar, Bahtiar; Rusim, Dewi Ana; Mujiati, Mujiati; Julison, Bernathius
Journal of Social Research Vol. 4 No. 7 (2025): Journal of Social Research
Publisher : International Journal Labs

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.55324/josr.v4i7.2615

Abstract

The Trans Papua road network spans 3,259.45 km, comprising 58.24% national roads (1,898.32 km) and 41.76% strategic roads (1,361.13 km). A specific issue arises on the Trans Papua Segment IV (Jayapura–Elelim–Wamena), where the geometric design of the road does not align with the standards set in the Ministry of Public Works and Housing Regulation No. 5 of 2023 regarding technical requirements for road design. This non-compliance poses risks of traffic accidents and impacts travel time, particularly for essential vehicles like fuel supply trucks, which cannot navigate certain segments due to the road's steep gradient (overgrade). This study aims to analyze the compliance of the geometric design on the Jayapura–Elelim–Wamena road segment with the established technical standards and its alignment with the central government's policy to enhance the local economy and ensure equitable pricing in mountainous regions. The research findings reveal that while road handling in Segment IV Jayapura–Elelim–Wamena has been managed by the BPJN Jayapura and BPJN Wamena, the existing geometric conditions do not meet the requirements of Permen PUPR No. 5 of 2023. The current policy focuses on maintaining the functionality of the road through preservation work packages rather than addressing the design deficiencies. This study underscores the need for more comprehensive upgrades to meet regulatory standards for safe and efficient road use.
The Effect of Using Wooden Pile and Cast Concrete Reinforcement on Soft Soil Settlement in Graha Lentera Holtekamp Housing, Jayapura, Papua Korwa, Frans Denny; Karnitullah, Duha Awaludin; Mujiati, Mujiati; Bahtiar, Bahtiar; Julison, Bernathius
Journal of Social Research Vol. 4 No. 7 (2025): Journal of Social Research
Publisher : International Journal Labs

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.55324/josr.v4i7.2617

Abstract

Low shear strength will result in low bearing capacity and large (Settlement), even excessive settlement, and the compressibility of the soil will affect the shrinkage of the soil due to the influence of the groundwater level that occurs and will affect the stability of the buildings on it. soil stability through soil improvement techniques and soil reinforcement techniques. Soil improvement techniques are soil stability measures by improving the original soil characteristics, until they meet the technical requirements required by construction, such as increasing the bearing capacity and shear strength of the soil, decreasing soil compressibility, increasing or decreasing soil permeability, and so on. In this study, it was applied to unreinforced soil with a bearing capacity of 950.00 kPa with a qijin of 380.00 kN and with a decrease of 1.861 mm or 4.0%. Soil with reinforcement has a better carrying capacity compared to soil without reinforcement, so that soil with reinforcement gets greater load behavior, from the experiment with reinforcement of wooden piles (CK 8 I) gets a maximum load of 25.10 kN with a decrease of 5.90 mm or 11.80%. The maximum load acting on the ultimate unreinforced (pu) soil on the original soil is 13.68 kN with a qijin carrying capacity of 380.00 kN. Soil with wood pile reinforcement maximum working load of 25.10 kN with a drop of 5.90 mm or 11.80 %. Soil with reinforced cast-concrete maximum working load of 23.50 kN with a drop of 4.50 mm or 9.00 %.
The Effect of Soft Soil Reinforcement Using Gravel Columns and Used Tire Columns in the Graha Lentera Holtekam Residential Area Wandan, Hendra Sakti Muslimin Ali; Kurniatullah, Duha Awaluddin; Mujiati, Mujiati; Bahtiar, Bahtiar; Julison , Bernathius
Journal of Social Research Vol. 4 No. 7 (2025): Journal of Social Research
Publisher : International Journal Labs

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.55324/josr.v4i7.2618

Abstract

The opening of new land to be used as a location for housing development (KPR) or Shop Houses (Ruko) as residential and business places that may technically not meet the requirements and standards for erecting a construction building in the area, let alone on a mass basis. Because the potential for construction failures is very prone to occur, such as land subsidence (Settlement). These factors must be found to increase the carrying capacity of the land so that it can meet the requirements to erect a construction building that is safe, economical and at the same time the life of the building can be longer. Based on the description mentioned above, the researcher is interested in modeling carried out in the engineering laboratory of Cenderawasih University with sakla 1; 50, this research was carried out there are three types, namely soil without reinforcement, soil with a 6 cm diameter gravel column reinforcement with a depth variation of 4 cm and 8 cm, and soil with a 6 cm diameter used tire column with a depth variation of 4 cm and 6 cm. This test is carried out by applying pressure or load in a vertical direction, The tool used is in the form of a hydraulic jack by paying attention to the load reading dial and the drop reading dial until the reading is fixed or the drop dial does not show any further decline. Based on the results of the analysis of this study, it was obtained that: The test was applied on soil without reinforcement obtaining an ultimate load of 950.00 kpa with a qijin of 380.00 kpa, soil with the reinforcement of gravel columns with the greatest carrying capacity of 1,849 Kpa with a qijin of 739.444 kN or producing a carrying capacity 95% greater than the soil without reinforcement.
The Effect of the Construction Contract System on the Quality of Contractors' Work in Road and Bridge Construction Projects in Mountainous Papua Province Lani, Yompi; Julison, Bernathius; Rusim, Dewi Ana; Mujiati, Mujiati; Bahtiar, Bahtiar
Journal of Social Research Vol. 4 No. 11 (2025): Journal of Social Research
Publisher : International Journal Labs

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.55324/josr.v4i10.2810

Abstract

The Lumpsum contract system with a Fix Price value with the financing system is Contractor's Full Prefinanced (CPF). This system will be implemented for owners to ease costs, considering that financing is charged to contractors 100%. and paid 30 days after the minutes of the PHO were signed by both parties, Rato (20018). One of the contract systems used in the contract for the purchase of a construction project is the Remeasure Contract (Unit Price). Bridge construction infrastructure is one of the land transportation infrastructure that has an important role in the distribution of goods and services as well as mobility for the community and other economic sectors. Therefore, bridge construction plays a very important role in economic growth in a region. From the above background, the author needs to re-analyze a construction project in the Mountainous Papua Province in terms of the quality of work of the contractor, the lumpsum contract system, and the unit price contract system in the bridge construction project. The results of this study are as follows: the effect of the Lumpsum contract system on the quality of contractors' work in road and bridge construction projects is GOOD. The effect of the Unit Price contract system on the quality of contractors' work in road and bridge construction projects is GOOD. There is no effect of the contract system on the quality of contractors' work on road and bridge construction projects in Papua Mountainous Province.
Co-Authors Abda Abda Alfian Adie Chandra Amaliah Azis Anastasya Coria Ayomi Annisa Novita Sari Antas H. Sinaga Bahtiar Bahtiar Bahtiar Bahtiar Dabamona, Junaidi Irianto David Mangallo Dedit P. Sektianto Duha Awaluddin Kurniatullah Duha Awaludin Eric Sandi Hutajulu Firman Setiawan Gire, Emius Hattu, Jacky Imbiri, Billian Melianus Ira Widyastuti Joni Karnitullah, Duha Awaludin Korwa, Frans Denny Lani, Yompi Laorens Miehell Ngutra Lekito, Hanro Lumban Gaol, Martua Jaya Gregorius Manalu, Janviter Maria Joy Waroi Markus Sawaki Marthen Liga Mujiati Mujiati Mujiati Mujiati Oktaviani, Theresia W. Patrick Fandy Pither Palamba Poli, Agustina Ivonne Pondayar, Erna Sisca Adelce Puhili, Bertrand Laski Mate Purwoko, Agus Rachman, Ivan Hairil Pratama Rante, Harmonis Raymond Feril Hattu Rudy Mom Rumagit, Mexan Andry Rusim, Dewi Ana Safanpo, Apolo Samuel Parlindungan Siregar Suparno Tetjuari, Kristanto Alexander Theresia Wuri Thobby Wakarmamu, Thobby Uniplaita, Tiper Wambrauw, Neilzen Wiliam Wandan, Hendra Sakti Muslimin Ali Wanimbo, Yaro Wayangkau, Helen Giandita widyastuti, ira Yulianti Liga Patubungan Yunita Palik