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Full-Text Articles in Engineering

Fitness For Service (Ffs) And Fatigue Assessment For Shell Distorted Steel Storage Tank Based On Api 579-1/Asme Ffs-1, Wira Herucakra Sr. Structure Engineer, Luh Putri Adyani, Ic Farid Hadi Prasetyo, Alviani Rahma Rizkhita May 2024

Fitness For Service (Ffs) And Fatigue Assessment For Shell Distorted Steel Storage Tank Based On Api 579-1/Asme Ffs-1, Wira Herucakra Sr. Structure Engineer, Luh Putri Adyani, Ic Farid Hadi Prasetyo, Alviani Rahma Rizkhita

Journal of Materials Exploration and Findings

A shell distortion was occurred due to incorrect in the welding procedure during construction of a new built above ground steel storage tank. The assessment level 1 then performed referred to original construction code of API Standard 650 was performed, the roundness data of tank plate was obtained through to laser scanning survey, and the result on assessment level 1 known that the minimum radius of measured point is exceeding the radius tolerance. This unacceptable condition of assessment level 1 requires to be performed the higher level of assessment. A fitness for service assessment level 3 for tank 1000 KL …


Development Of 485 Mpa Class High Strength Low Alloy Steel For Power Plant Infrastructures, Agung Baskoro, Rini Riastuti May 2024

Development Of 485 Mpa Class High Strength Low Alloy Steel For Power Plant Infrastructures, Agung Baskoro, Rini Riastuti

Journal of Materials Exploration and Findings

Currently, Indonesia is progressing to build 35,000 MW of power plants, which will increase the demand for materials, especially steel. One of these power plants is fossil fuel-based, which generates not only electricity but also flue gas containing sulfur that may cause corrosion to power plant infrastructure such as chimney or boiler areas. In addition, apart from being resistant to corrosion in sulfuric and hydrochloric acid conditions, the steel used in power plant infrastructure must also have good strength, toughness, and weldability. Therefore, the present paper describes about steel development for power plant applications that has not only corrosion resistance …


Effects Of Ti Addition On The Characteristics Of Al-10zn-6mg-2si/Zro2 Composites Produced By Squeeze Casting, Qesha Diva Prameshvara, Pipin Indah Lestari, Bondan Tiara Sofyan May 2024

Effects Of Ti Addition On The Characteristics Of Al-10zn-6mg-2si/Zro2 Composites Produced By Squeeze Casting, Qesha Diva Prameshvara, Pipin Indah Lestari, Bondan Tiara Sofyan

Journal of Materials Exploration and Findings

Metal matrix composite (MMC) with 7xxx aluminum matrix is potential for ballistic applications due to the combination of strength, toughness, and light weight. Previous study successfully produced aluminum-based composites with SiC particles which were able to stop type III bullet, however cracks remained on back of the plate. Therefore, in this research, SiC was replaced by zirconia (ZrO2) due to its high fracture toughness. Ti-B grain refiner was added to further improve toughness through grain boundary strengthening mechanism. This research developed 5 vol.% ZrO2 strengthened Al-10Zn-6Mg-2Si composite with addition of Al-5Ti-1B grain refiner produced through squeeze casting …


Integration Of The Ashby Technique And Pahl-Beitz Quantitative Ranking For Railway Axle Material Selection, Helya Chafshoh Nafisah, Jaka Fajar Fatriansyah, Siti Norasmah Surip May 2024

Integration Of The Ashby Technique And Pahl-Beitz Quantitative Ranking For Railway Axle Material Selection, Helya Chafshoh Nafisah, Jaka Fajar Fatriansyah, Siti Norasmah Surip

Journal of Materials Exploration and Findings

Railway axle serves as a vital connection between the train's wheels and its body. However, cyclic loading and high speed can induce fatigue in railway axle, which potentially leads to damage human safety. Therefore, it is important to find materials that have good mechanical properties with the lowest weight and cost. In this paper, a comprehensive method using Ashby chart has been performed to select candidate materials of railway axle. The methods begin with analyzing function by determining the problem, objective function, and constraints. After that, the results obtained are ranked using Pahl and Beitz quantitative weighting method. The results …


Study On Human Integrity Management System Maturity Level For Supporting Asset Integrity And Process Safety Implementation, Anggiat M. Sihotang, Dedi Priadi, Datu Rizal Asral May 2024

Study On Human Integrity Management System Maturity Level For Supporting Asset Integrity And Process Safety Implementation, Anggiat M. Sihotang, Dedi Priadi, Datu Rizal Asral

Journal of Materials Exploration and Findings

The human factors (HF) are recognized as one of critical process safety barriers involved in normal and abnormal conditions in the oil and gas industry. In order to strengthen the HF roles as barriers we need to ensure that the actions generated are based on a valid risk assessment of the operation to be addressed by a relevant human factor analysis. Organizations within the oil and gas process have made much progress in understanding and implementing HF improvement programs. However, organizations are not always clear about what are their current situations in managing HF, their priorities for HF to be …


Analysis Of The Effect Of Different Surface Preparation Methods On Corrosion Resistance And Adhesion Strength Of Astm A36 Steel Substrate With Surface Tolerant Epoxy Paint As Coating Material, Irwan Wijaya Santoso, Daffa Aqila, Rini Riastuti, Rizal Tresna Ramadhani May 2024

Analysis Of The Effect Of Different Surface Preparation Methods On Corrosion Resistance And Adhesion Strength Of Astm A36 Steel Substrate With Surface Tolerant Epoxy Paint As Coating Material, Irwan Wijaya Santoso, Daffa Aqila, Rini Riastuti, Rizal Tresna Ramadhani

Journal of Materials Exploration and Findings

In the industrial world, to extend the service life of materials, protection methods are carried out to slow down the material's corrosion rate. The protection method that is often used is the coating method. The coating method is a protection method by coating the substrate material using a coating material to prevent contact between the substrate material and the environment. In this research, the substrate material used is ASTM A36 steel and the coating material used is Surface Tolerant Epoxy paint. The independent variable used in this study lies in the surface preparation method which consists of: solvent cleaning, hand …


Thermal Performance Investigation Of Thermoelectric Cooling System With Various Hot-Side Cooling Methods, Bowo Y. Prasetyo, Parisya P. Rosulindo, Fujen Wang Apr 2024

Thermal Performance Investigation Of Thermoelectric Cooling System With Various Hot-Side Cooling Methods, Bowo Y. Prasetyo, Parisya P. Rosulindo, Fujen Wang

Makara Journal of Technology

Thermoelectric devices have been widely used in various applications, including cooling and power generation. The potential application of thermoelectric cooling systems has been studied. However, these systems still face challenges in achieving optimal performance compared with other cooling systems. Several factors, including the hot-side cooling method, influence the performance of thermoelectric systems. This study aimed to investigate the effects of different hot-side cooling methods on the thermoelectric performance and thermal behavior of thermoelectric cooling systems. The testing methods involved the combination of the thermoelectric module with five hot-side heat exchangers, including a square heatsink, a round heatsink, a two-pipe heat …


Secured Blockchain And Fractional Discrete Cosine Transform-Based Framework For Medical Images, Abhay Kumar Yadav, Virendra P. Vishwakarma Apr 2024

Secured Blockchain And Fractional Discrete Cosine Transform-Based Framework For Medical Images, Abhay Kumar Yadav, Virendra P. Vishwakarma

Makara Journal of Technology

Images can store large amounts of data and are useful for transmitting large amounts of information across different geographical locations using different cloud services. This data sharing increases the chances of cyber-attacks on digital images. Blockchain has properties that enable it to work as a solution to this problem, providing enhanced security and unchangeable storage. However, image size poses a challenge in image storage, as it increases the related storage cost. Compressing images using fractional discrete cosine transform (fctDCT) reduces the amount of data required to express an image securely. This paper presents a novel framework for securely storing and …


Evolving Hangwuran City Development Model Through Partial Least Square Approach In North-Central Nigeria, Samuel Medayese, Hangwelani H. Magidimisha-Chipungu, Lovemore Chipungu Apr 2024

Evolving Hangwuran City Development Model Through Partial Least Square Approach In North-Central Nigeria, Samuel Medayese, Hangwelani H. Magidimisha-Chipungu, Lovemore Chipungu

CSID Journal of Infrastructure Development

The need for a paradigmatic shift in city development ideology has become increasingly evident over the years. In response to this need, the Hangwurian City Development Model was developed to establish a connection between the concepts of environmental awareness, urban governance, and management. This model also integrates sustainable urban development, urban liveability, and inclusive physical development. The research sets a critical objective of analyzing the significant levels of various indicator variables. The exploratory research utilized partial least squares (PLS) via SmartPLS to evaluate the variables, collecting quantitative data through the open data toolkit from three selected cities: Lokoja, Minna, and …


An Architectural Approach To Neighborhood Design In The Quarry Road Informal Settlement In Durban, Viloshin Govender, Ameen Shaikjee Apr 2024

An Architectural Approach To Neighborhood Design In The Quarry Road Informal Settlement In Durban, Viloshin Govender, Ameen Shaikjee

CSID Journal of Infrastructure Development

Informal settlements, often characterized by inadequate infrastructure, housing, and services, are a significant urban challenge in the global South. Creating well-functioning and supportive neighborhoods within these settlements is crucial for improving the living conditions and livelihoods of those living there. This paper explores the strategies and principles of creating neighborhoods in informal settlements that promote community empowerment, social cohesion, and sustainable development. Conventional top-down development approaches often fail to address these settlements' unique needs and dynamics. In contrast, a bottom-up approach empowers residents, fosters community engagement, and promotes sustainable development. This paper explores how architecture can respond to the needs …


Liveable Communities: A Case Study Of Availability, Proximity, And The Quality Of Critical Infrastructure In Colombo, Srilanka, Maheshi Tennakoon, Udayangani Kulatunga Apr 2024

Liveable Communities: A Case Study Of Availability, Proximity, And The Quality Of Critical Infrastructure In Colombo, Srilanka, Maheshi Tennakoon, Udayangani Kulatunga

CSID Journal of Infrastructure Development

The concept of livable communities has become increasingly significant in regional planning, aiming to improve the quality of life for residents. Despite continued investment in critical infrastructure in developing countries, the enhancement of livability has not kept pace with infrastructure development. This study investigates the impact of crucial infrastructure on community livability, utilizing a holistic single case study approach with Colombo as the case study. The relationship between critical infrastructure development and urban livability serves as the unit of analysis. Data were collected through semi-structured interviews with ten subject matter experts and analyzed using manual content analysis. The research finds …


Neighbourhood Planning: Reminiscence Towards Liveable Communities, Bolanle Wahab, Waheed Kadiri, Ayobami Popoola, Bamiji Adeleye, Robert A. Dwamena Apr 2024

Neighbourhood Planning: Reminiscence Towards Liveable Communities, Bolanle Wahab, Waheed Kadiri, Ayobami Popoola, Bamiji Adeleye, Robert A. Dwamena

CSID Journal of Infrastructure Development

Urbanisation remains a topical discussion across the globe. According to the United Nations (2022), 68% of the world's population will be absorbed in urban areas by 2050. The envisaged rapid urbanisation in cities by 2050 is believed to be accompanied by various planning problems, which include accelerated climate change, urban slums, urban sprawl, poor sanitation, inadequate infrastructure, overcrowding, housing deficiency and transportation issues. To mitigate these planning problems, the role of effective urban planning cannot be overemphasised. Urban planning provides a pathway for overcoming the various challenges posed by urbanisation both in the present and in the future.

Urban planning …


Condition Of Drainage System And Its Impact On The Residents Of Mowe, Ogun State, Nigeria, Ayodeji Olusola Ajayi, Testimony Ayomide Oladiran, Ismail Adedapo Oyerinde, Aderonke Olufunmi Ajayi, Adonis Busuyi Fakanlu Apr 2024

Condition Of Drainage System And Its Impact On The Residents Of Mowe, Ogun State, Nigeria, Ayodeji Olusola Ajayi, Testimony Ayomide Oladiran, Ismail Adedapo Oyerinde, Aderonke Olufunmi Ajayi, Adonis Busuyi Fakanlu

CSID Journal of Infrastructure Development

This study examines the impacts of drainage infrastructure conditions on Mowe, Ogun State, residents. The study used a quantitative research design, using a systematic random sampling technique to select ten (10) residential estates (three public-owned and seven privately owned) in the study area. In all, 107 residents were sampled using a structured questionnaire. The data collected was analysed using descriptive statistics. Based on the findings of this study, it was evident that the surface drainage system, mainly constructed with sandcrete blocks, was predominant in the study area. The result established that the drainage's minimum height in the study area was …


Socio-Economic Effects Of Orisumbare Sawmilling Industries On The Residents Of Ikire, Irewole Local Government Area Osun-State, Nigeria, Umar Usman Jimoh, D R. Ogungbemi Apr 2024

Socio-Economic Effects Of Orisumbare Sawmilling Industries On The Residents Of Ikire, Irewole Local Government Area Osun-State, Nigeria, Umar Usman Jimoh, D R. Ogungbemi

CSID Journal of Infrastructure Development

The study examined the socio-economic effects of the Orisumbare sawmill industry on the residents of Ikire, Irewole local government area of Osun State. The objectives of the study include, examination of the socio-economic characteristics of the respondents, the positive effects of industry on the residents, the negative impacts of industry on the residents, and the perceived environmental-induced diseases caused by industrial activities. A case study research design was adopted, while both primary and secondary data were utilised. A multistage sampling technique was used, in which a buffer zone of 900m radius was made to delineate the zone of industries’ influence. …


Urban Expansion And Loss Of Watershed Of Eleyele Dam In Ibadan, Nigeria, Samson A. Adejumo, Solomon Osunwale Apr 2024

Urban Expansion And Loss Of Watershed Of Eleyele Dam In Ibadan, Nigeria, Samson A. Adejumo, Solomon Osunwale

CSID Journal of Infrastructure Development

The study examined human activities contributing to the depletion of the Eleyele watershed. The activities have grown over time due to urban expansion through population growth and land and space requirements, resulting in rapid land use and land cover change. The study sourced both quantitative and qualitative data. A total of 247 pre-tested questionnaires were administered to randomly selected residents in the four communities (Eleyele, Ijokodo, Awotan, and Idi Osan) abutting the Eleyele watershed. In-depth interviews were conducted with the heads of Eleyele Waterworks, the Forestry Department, and the Oyo State Ministry of Agriculture and Natural Resources. We used Remote …


Land Surface Temperature And Landuse/ Land Cover Change Variability Using Remotely Sensed Data For Sub-Urban Settlements In Osun State, Nigeria, Saeed K. Ojolowo, Abiodun A. Audu, Charles O. Olatubara, Olusiyi Ipingbemi, Olaitan O. Odunola, Olaide J. Omirin, Oluwasinaayomi F. Kasim Apr 2024

Land Surface Temperature And Landuse/ Land Cover Change Variability Using Remotely Sensed Data For Sub-Urban Settlements In Osun State, Nigeria, Saeed K. Ojolowo, Abiodun A. Audu, Charles O. Olatubara, Olusiyi Ipingbemi, Olaitan O. Odunola, Olaide J. Omirin, Oluwasinaayomi F. Kasim

CSID Journal of Infrastructure Development

Land surface temperature (LST) is an indispensable factor in studying urban climate. Ground-based measurements have been employed to quantify LST and Land Use/Land Cover Change (LULC). However, due to advancements in space technology and extensive spatial coverage, remote sensing techniques are increasingly being used to measure the intensity of LST and LULC dynamics, owing to the availability of enhanced satellite-based thermal observations of the Earth. The climatic conditions over a medium-sized city could be improved by understanding the interplay of LST and LULC. In this study, we estimated LST based on Landsat bands 4 and 5 for 1990 and 2000, …


Assessing The Characteristics Of Coastal Neighbourhoods That Influence Flood Susceptibility In Kosofe, Nigeria, Saudat O. Ajijola, Funmilayo M. Adedire, J A. Fadamiro Apr 2024

Assessing The Characteristics Of Coastal Neighbourhoods That Influence Flood Susceptibility In Kosofe, Nigeria, Saudat O. Ajijola, Funmilayo M. Adedire, J A. Fadamiro

CSID Journal of Infrastructure Development

As climate change continues to exacerbate weather patterns, flood susceptibility has become an increasingly pressing global concern. The susceptibility to floods is influenced by many contextual factors; as such, characterizing coastal neighbourhoods for the purpose of articulating susceptibility pathways is crucial for developing appropriate physical planning policies. The specific research objective seeks to assess the dimensions of neighbourhood characteristics that influence flood susceptibility in Kosofe, a suburban coastal community in Lagos, Nigeria. The data used were based on primary and secondary sources. Using a systematic sampling method, 324 respondents participated in the field survey. The result of the descriptive statistics, …


Analysis Of The Effects Of Service Delivery On The Wellbeing Of Internally Displaced Persons (Idps) In Federal Capital Territory (Fct), Abuja, Olusegun O. Idowu, Valda Martins, Ndako B. Santali, Jonathan U. Adama, Adekunle S. Adeogun, Gideon Danlami Apr 2024

Analysis Of The Effects Of Service Delivery On The Wellbeing Of Internally Displaced Persons (Idps) In Federal Capital Territory (Fct), Abuja, Olusegun O. Idowu, Valda Martins, Ndako B. Santali, Jonathan U. Adama, Adekunle S. Adeogun, Gideon Danlami

CSID Journal of Infrastructure Development

The provision of services, encompassing substandard medical facilities, inadequate housing conditions, limited access to electricity, insufficient recreational amenities, and the absence of potable water supply, has emerged as a significant impediment confronting Internally Displaced Persons (IDPs) both domestically and globally. The present investigation sought to evaluate the impact of service delivery on the welfare of IDPs residing in the Federal Capital Territory (FCT), Abuja. The objectives of this inquiry were to assess the socioeconomic attributes of the IDPs, scrutinize the types and efficacy of service delivery within the IDP camps, and appraise the consequences of service delivery on the well-being …


Partnership And Coalition Efforts For Community-Based Research: Towards A Liveable Urban And Rural Settlement In Kwazulu-Natal, Sibongile A. Ngcobo, Nene E. Khalema, Tawanda Makusha Apr 2024

Partnership And Coalition Efforts For Community-Based Research: Towards A Liveable Urban And Rural Settlement In Kwazulu-Natal, Sibongile A. Ngcobo, Nene E. Khalema, Tawanda Makusha

CSID Journal of Infrastructure Development

This paper examines the role of community partnerships and coalitions in the intricate and constantly evolving dynamics of communities in KwaZulu-Natal, South Africa. Various aspects of the community context, such as socioeconomic conditions, geography, environmental factors, demographics, community politics, and cultural norms, often influence these community partnerships and coalitions. This study adopted the Community Coalition Action Theory as an organisational framework to examine the efforts of coalitions and partnerships in community-based research. The research applied a mixed-methods approach. This included a survey and individual interviews within the research organisation responsible for multiple community-based projects in rural and urban areas of …


Review Of The Potential Use Of Poly (Lactic-Co-Glycolic Acid) As Scaffolds In Bone Tissue Recovery, Kushendarsyah Saptaji, Asriyanti Asriyanti, Nisa Khoiriyah, Laely Muryanti, Iwan Setiawan Mar 2024

Review Of The Potential Use Of Poly (Lactic-Co-Glycolic Acid) As Scaffolds In Bone Tissue Recovery, Kushendarsyah Saptaji, Asriyanti Asriyanti, Nisa Khoiriyah, Laely Muryanti, Iwan Setiawan

Makara Journal of Science

Scaffolds are used as temporary tissue in the human body to expedite healing. Biocompatible materials play a vital role in the field of tissue engineering. Therefore, they can be used to reduce human pain as soon as possible. Polymeric materials are widely used to replicate bone tissue. Poly(lactic-co-glycolic acid) (PLGA) is a potential material for bone tissue scaffolds because of its superior properties, including compatibility with the human body. Accordingly, adding hydroxyapatite and introducing different fabrication methods can enable the production of PLGA scaffolds with good abilities to help cells grow, expand, differentiate, and proliferate. The paper reviews the current …


Advancements In Characterization Of Ancient Potteries From Southeast Asia: A Review Of Analytical Techniques, Chitnarong Sirisathitkul Mar 2024

Advancements In Characterization Of Ancient Potteries From Southeast Asia: A Review Of Analytical Techniques, Chitnarong Sirisathitkul

Makara Journal of Science

Ancient potteries offer valuable information regarding technological advancements, life dynamics, cultural diversity, and trade routes in the past. Earthenware, stoneware, and porcelain from Southeast Asia have been characterized using several analytical techniques, as reviewed in this article. Fluorescent and diffracted X-rays give rise to elemental and phase compositions, respectively. Examination of molecular bonds requires vibrational spectroscopy, which is useful for the identification of organic materials in ancient potteries. With the advent of portable X-ray fluorescence and Raman spectrometry, on-site analysis of archeological ceramics is now possible. For in-depth analysis, synchrotron light sources can provide new insights into artifacts through X-ray …


Assessment Of Educational Facilities In Osogobo Metropolis Nigeria, Dele S. Ogundahunsi, Martins B. Gasu, Samuel B. Adedotun, Olayiwola Olayode, Akintayo O. Ojo, Christiana Olayode Mar 2024

Assessment Of Educational Facilities In Osogobo Metropolis Nigeria, Dele S. Ogundahunsi, Martins B. Gasu, Samuel B. Adedotun, Olayiwola Olayode, Akintayo O. Ojo, Christiana Olayode

CSID Journal of Infrastructure Development

This study assessed educational facilities in the Osogbo metropolis, Nigeria, aiming to evaluate the available educational facilities, examine student and staff satisfaction levels, and analyze their availability across schools in the area. The sample consisted of 476 schools, from which 73 were randomly selected. A multistage sampling procedure was employed to sample 1,863 pupils/students and 87 teachers for questionnaire administration, complemented by observation. Data were analyzed using Mean Weighted Average, Summation of Weighted Value, and Analysis of Variance. Findings showed that 63.4% of primary schools had the listed facilities, while 75% of secondary schools reported 81% availability. Public primary school …


Sustainable Infrastructure Development In The Ikn Region (Nusantara Capital): Simulation Of The Smart Self-Sustaining Urban Center Area Development, Naufal Budi Laksono, Yusuf Latief Jan 2024

Sustainable Infrastructure Development In The Ikn Region (Nusantara Capital): Simulation Of The Smart Self-Sustaining Urban Center Area Development, Naufal Budi Laksono, Yusuf Latief

Smart City

Embarking on the quest for a sustainable urban future, this research immerses itself in the vibrant landscape of "Sustainable Infrastructure Development in the IKN Region (Nusantara Capital)." This study investigates the financial viability and economic attractiveness of the Five City project, focusing on efficient infrastructure management for sustainable settlement development. The core facility comprises four vertical residential towers with supporting amenities. The research aims to evaluate the project''s feasibility over a 25-year investment period through comprehensive financial analyses.The research employs a structured approach, encompassing regulatory analysis, stakeholder identification, financial capability analysis, and risk management. Parameters such as Net Present Value …


The Interpretative Structural Modeling For Stakeholder Involvement To Reduce Slum Settlements, Bich Hanes Bich, Ayomi Dita Rarasati Jan 2024

The Interpretative Structural Modeling For Stakeholder Involvement To Reduce Slum Settlements, Bich Hanes Bich, Ayomi Dita Rarasati

Smart City

The array of problems originating from slum settlements not only results in unwholesome environment, unlawful land utilization, and various internal challenges within the vicinity but also impacts the surrounding regions and the overall urban infrastructure network. In pursuit of Indonesia's 2045 Vision, which emphasizes on "equitable and integrated infrastructure development", the zero slums constitutes a pivotal component of the Ministry of Public Works and Public Housing's overarching vision. Nonetheless, a disparity has been identified in addressing slum settlements in West Kalimantan, hindering the achievement of this objective. This research aims to identify the stakeholders and the priority factors in determining …


Project Stakeholder Analysis In Temadore Bridge Construction Development, Hud Rafsanjani, Ayomi Dita Rarasati Jan 2024

Project Stakeholder Analysis In Temadore Bridge Construction Development, Hud Rafsanjani, Ayomi Dita Rarasati

Smart City

The construction of bridge is important due to its ability to link communities through land-road connection, thereby saving time and increasing productivity of those living in these areas. Therefore, this research evaluated the Temadore bridge, built to link Ternate City, Maitara land and Tidore City by road to enhance movement and reduce disparities in assessing both areas. Data were collected using the Interpretative Structural Modeling (ISM) which searched for and identified several variables according to the dependence power and driving power. The result showed that construction of bridge increased the movement of community activities and productivity, thereby leading to growth.


Planning Innovation For Implementing Modular Prefabricated Construction In Housing Development In Indonesia Using A Risk-Based Iso 56002:2019 Approach To Improve Project Performance, Deansa Agya Rahman, Yusuf Latief Jan 2024

Planning Innovation For Implementing Modular Prefabricated Construction In Housing Development In Indonesia Using A Risk-Based Iso 56002:2019 Approach To Improve Project Performance, Deansa Agya Rahman, Yusuf Latief

Smart City

The development of housing in Indonesia, growing rapidly due to urbanization and population growth, faces challenges in terms of land, labor, and housing backlog. Despite being innovative, modular prefabrication methods are limited by unattractive designs and high costs, slowing down construction, harming the productivity of construction companies, and hindering the growth of the national construction sector. These challenges are prevalent in various countries and are influenced by low knowledge, conservative mindsets, and inhibiting regulations. In Indonesia, additional issues include a lack of mastery of modular prefabrication methods and awareness of long-term benefits. This research identified innovative risk-based applications of modular …


Seasonal Variability On Microplastic Polutions In Water And Sediment Of Ciliwung River, Hefty Clarissa Wilyalodia, Elgrytha Victoria Tybeyuliana, Alloysius Pamurda Dhika Mahendra, Mochamad Adhiraga Pratama, Suphia Rahmawati, Fajri Mulya Iresha, Setyo Sarwanto Moersidik Dec 2023

Seasonal Variability On Microplastic Polutions In Water And Sediment Of Ciliwung River, Hefty Clarissa Wilyalodia, Elgrytha Victoria Tybeyuliana, Alloysius Pamurda Dhika Mahendra, Mochamad Adhiraga Pratama, Suphia Rahmawati, Fajri Mulya Iresha, Setyo Sarwanto Moersidik

CSID Journal of Infrastructure Development

Microplastics, recognized as emerging contaminants, have been detected in numerous rivers globally. This study focuses on the Ciliwung River in Jakarta, examining the influence of seasonal variations—specifically the rainy and dry seasons—on microplastics' concentration, types, and colors. Sampling was conducted during November 2022 (dry season) and March 2023 (wet season) using a plankton net for water (10 liters) and an Ekman grab sampler for sediment (400 mililiters). Microplastic abundance was analyzed following the National Oceanic and Atmospheric Administration (NOAA) adaptation method, and their material characteristics were identified using Fourier Transform Infrared Spectroscopy (FTIR) testing. Results revealed a notable seasonal impact: …


A Spatiotemporal Analysis Of Organic Pollutants Contamination In Ciliwung River, Indonesia, Mochamad Adhiraga Pratama, Dorothy Marsha Constantine Dec 2023

A Spatiotemporal Analysis Of Organic Pollutants Contamination In Ciliwung River, Indonesia, Mochamad Adhiraga Pratama, Dorothy Marsha Constantine

CSID Journal of Infrastructure Development

Ciliwung River is one of many rivers on Java Island which is polluted by waste from domestic, commercial/industrial, and agricultural activities. The rapid population growth caused changes in land use. Along with population growth and the development of human activities in various sectors, river pollution became a serious problem for humans. The purpose of this study is to conduct a spatiotemporal analysis of the concentration of pollutant in Ciliwung River and its correlation with the trend of land use changes to determine the factors that dominantly influence river pollution. The analysis was carried out on the parameters of organic pollutants …


Analysis Of Marine Zone Management In Disputed Island Territories, Khomsin Khomsin, Danar Guruh Pratomo, Ayu Isnania Zahra Dec 2023

Analysis Of Marine Zone Management In Disputed Island Territories, Khomsin Khomsin, Danar Guruh Pratomo, Ayu Isnania Zahra

Journal of Environmental Science and Sustainable Development

Indonesia has 17,204 islands registered, named, and coordinated by Geospatial Information Agency (BIG). The number of islands can threaten maritime boundary disputes between provinces, districts, and cities. One of the disputes is the claim over Pulau Tujuh, which is mutually contested for ownership by the Province of Bangka Belitung and the Province of Riau Islands. This study aims to analyze the marine management zone of the Pulau Tujuh claim. It is carried out using the cartometric method. This study of regional boundaries refers to the Regulation of The Minister of Home Affairs of The Republic of Indonesia 141 of 2017, …


A Study On The Preferred Teleworking Policy By The Private Sector And Its Implication To The Demand On Transport Infrastructure (Case Study: Greater Jakarta Area), Alvinsyah Alvinsyah, Edy Hadian, Wahyu Aji Syahputra Dec 2023

A Study On The Preferred Teleworking Policy By The Private Sector And Its Implication To The Demand On Transport Infrastructure (Case Study: Greater Jakarta Area), Alvinsyah Alvinsyah, Edy Hadian, Wahyu Aji Syahputra

CSID Journal of Infrastructure Development

This study examines the implementation of a teleworking policy with a work-from-home (WFH) scheme from a private company perspective and its implications on the Greater Jakarta’s proposed urban rail network’s carrying capacity. Using descriptive and inferential statistical analyses, a representative percentage of employees capable of working from home was determined. This figure, found to be sixty percent, was then employed in a macro transport model simulation to assess its impact on urban rail network demand. The results of the statistical analysis indicate that sixty percent of the company's workforce can still permitted to work remotely. The model simulation conducted indicates …