Construction Industry In Indonesia Research Articles

Effect of information quality on supply chain performance through information sharing: Evidence from construction industry in Indonesia

The construction industry is an economic sector that requires strong collaboration between various parties in the supply chain. This study aims to analyze the effect of information quality on supply chain performance through information sharing in the construction industry. This study uses a quantitative approach by collecting data through surveys of developers, consultants, contractors and suppliers involved in the process of building office and apartment buildings in Jakarta. The collected data was analyzed by using Structural Equation Modeling – Partial Least Squares (SEM-PLS 4.0). Out of 100 respondents, 22% were developers, 19% were consultants, 35% were contractors, and 24% were suppliers. The findings show that there is a positive effect of information quality on information sharing. In addition, information sharing practices are also proven to mediate the effect of information quality on supply chain performance. These findings emphasize the importance of information quality in improving supply chain performance through information sharing. These findings can also contribute to the literature on supply chain management, with a particular focus on the construction industry context. The practical implication of this research is that with quality information quality and effective information sharing, companies can carry out better planning and scheduling, reduce uncertainty, and increase operational efficiency.

THE IMPLEMENTATION OF DESIGN FOR MANUFACTURING AND ASSEMBLY (DfMA) IN INDONESIAN CONSTRUCTION INDUSTRY: MAJOR BARRIERS AND DRIVING FACTORS

Construction industry is a crucial sector of a country’s economy, but faces continuing problems such as low productivity, labor intensity, and fragmented processes. Design for Manufacturing and Assembly (DfMA) has been identified as an important strategy for solving this problem. Despite its potential, the adoption of DfMA in Indonesian construction industry has been slow. Therefore, this study aimed to (1) investigate barriers to the adoption of DfMA and (2) propose effective drivers to promote the adoption of DfMA. To achieve these objectives, a comprehensive literature review and structured interviews were conducted with DfMA experts. A questionnaire survey was then carried out with 100 respondents, and after applying purposive sampling criteria, 71 respondents were considered eligible. Following this discussion, the primary data was analyzed using descriptive and inferential statistics. The collected data was processed using structural equation modelling (SEM) application known as SMARTPLS. The result showed that the main obstacle faced was the organizational mindset, while the most effective strategy was the contribution and support of the government. This study provided a better understanding of the constraints faced and driving factors that could be considered effective by industry practitioners. Additionally, there was an expectation that the results of this exploration would be an important starting point for developing a roadmap to encourage the wider adoption of DfMA in construction industry in Indonesia.

Pertanggungjawaban Konsultan Pengawas Jasa Konstruksi Terhadap Tindak Pidana Korupsi

This study examines the liability of construction service supervisory consultants in criminal acts of corruption, with a focus on criminal law enforcement mechanisms, forms of liability, and recommendations for strengthening the supervision system and preventing corruption in the construction sector. Using normative legal research methods, this study examines primary, secondary, and tertiary legal materials relevant to the research topic.The approaches used include statute approach, conceptual approach, and case approach. The analysis is conducted qualitatively with descriptive analytical method to produce a comprehensive picture of the problem under study.The results show that the criminal law enforcement mechanism against supervisory consultants involved in corruption involves a complex process, from investigation to court decisions, with the main challenge being proving the involvement of consultants in corruption schemes. The form of liability of supervisory consultants can be in the form of individual, corporate, or in solidum criminal liability, with sanctions that include imprisonment, fines, and state loss recovery obligations.The research also produces recommendations for strengthening the supervision system and preventing corruption, which include the implementation of technology in project supervision, increasing transparency through e-procurement, strengthening the whistleblowing system, improving the quality and independence of supervisory consultants, as well as regulatory reform and law enforcement.The research conclusions emphasize the importance of a holistic approach in addressing corruption in the construction sector, incorporating legal, management, technological and ethical aspects. The implementation of the proposed recommendations is expected to contribute to the creation of a cleaner, more efficient, and higher quality construction industry in Indonesia.

Enterprise Architecture in the Construction Management Software using the Business Model Canvas

Indonesia's construction industry has boomed over the past decade, acting as a powerful engine for the nation's economic growth. However, this success story comes with a growing list of challenges. Construction projects are becoming increasingly intricate, demanding not only efficiency and quality but also enhanced safety and a minimized environmental footprint. To tackle these complexities, the industry is undergoing a crucial transformation towards "smart construction." This approach leverages the power of information and communication technology (ICT) throughout the entire project lifecycle, from planning and design to execution and maintenance. By integrating ICT tools like Building Information Modeling (BIM) and cloud-based project management platforms, smart construction streamlines processes, minimizes errors, and optimizes resource allocation, ultimately leading to improved efficiency, enhanced worker safety, and a reduction in environmental impact. A key pillar of smart construction lies in the integration of enterprise architecture (EA) within construction management software. EA provides a structured framework for aligning IT systems with construction businesses' specific goals and objectives. This ensures that software development and management are adaptable to evolving industry needs and foster continuous innovation. This research delves into the application of EA within the construction management software industry, specifically focusing on the TOGAF Architecture Development Method (ADM). By exploring EA through this established framework, the research aims to shed light on how the construction industry in Indonesia can leverage technology to its fullest potential. This will ensure continued growth within the sector and contribute to a lasting positive impact on the nation's economy.

The effect of Polyethylene Terephthalate (PET) plastic addition to AC-WC in a wet mixture on increase of asphalt stability

PET (Polyethylene Terephthalate) plastic is one of the most common types of plastic used in Indonesia. Its existence has contributed significantly to various sectors, including the food and beverage, cosmetic, pharmaceutical, and other consumer product packaging industries. However, the use of PET plastic also creates a number of impacts that need to be considered. PET (Polyethylene Terephthalate) plastic has become an attractive alternative in the construction industry in Indonesia, particularly in its use as an asphalt mixture in road construction. This study aimed to determine the effect of the addition of PET waste to the asphalt on the value of Marshall characteristics as well as the optimum asphalt content and plastic content in the AC - WC mixture. Basic testing of 4 %, 5 %, and 6 % (by weight of asphalt) PET plastic mixture with wet mixing method where PET plastic is put into hot asphalt and stirred until homogeneous. Marshall test data will go through Formality Test, Homogeneity Test, Two-Way ANOVA, Duncan Test, and Correlation Regression Analysis to get the 3D graph equation. The result is that PET plastic affects the asphalt mixture by increasing the stability value and MQ value, for flow, VFB, and VMA values have decreased. VIM value increased at 4 % level and decreased at 6 % level. From the ribbon graph, the optimum asphalt content for each percentage of PET content is obtained, namely 4 % PET KAO value of 6.2 %, 5 % PET KAO 6.25 %, and 6 % KAO 6.28 %. It can be concluded that the mixing of PET with asphalt in AC-WC mixtures can be maximum if the right percentage combination of asphalt and PET content. From the 3D Graphic Method, it results that the maximum use of plastic PET is at a content of 5.40 %, and an asphalt content of 6.35 %, will produce an asphalt stability of 1714.232 kN

TRILOCK BRICK : INOVASI DESAIN BATAKO BENTUK SEGITIGA DENGAN SISTEM INTERLOCK

As the construction industry in Indonesia continues to grow, it has significantly impacted the demand for building materials, particularly in the construction sector. One such material is "batako," which is used as a wall filler, along with cement as a bonding material (grout). Therefore, there is a need for a solution that provides easier workability during installation and is cost-effective. The objective of this research is to innovate and analyze the design of triangular-shaped batako with an interlocking system on each side. The methodology used involves experimental testing in a laboratory and follows the Indonesian National Standard (SNI) 03-0349-1989. The process includes material testing, specimen production, compressive strength testing, absorption testing, and a cost comparison analysis. The research resulted in the development of "trilock brick," a triangular-shaped batako measuring 36 cm in length and 9 cm in thickness. The average compressive strength at 28 days was 9,487 MPa, with an average water absorption rate of 5.344%. The installation cost per 1 m2 was Rp. 76,802, with a grout thickness of 0,5 cm. This research demonstrates that this innovation possesses compressive strength and water absorption values comparable to conventional batako. Additionally, trilock brick offers economic advantages with a cost difference of up to 13% compared to conventional batako requirements.

Analysis of Productivity Loss In Ironing, Formwork, and Casting Work at Summarecon Mall Bandung Project

In a developing country such as Indonesia, infrastructure development is one of aspects that contribute to advancement for the country. However, construction industry in Indonesia has a problem regarding to low construction productivity. Lean construction regarded as the new method to improve construction performance and labor productivity. Using two principles of lean construction, benchmarking and labor production variability reduction will be analyzed to show how impact it caused to labor performance. Benchmarking will be used to analyze for Summarecon Mall Bandung Project with parameters of Disruption Index (DI), Perfomance Ratio (PR) and Project Manajemen Index (PMI). The project has DI<0,1 score that means abnormality days that happened was low, varied PR score in all construction operation, and low PMI score that represent good construction management system. In conclusion based on all parameters, Mall Summarecon Bandung Project is relatively good project and can be used as a benchmark for similar construction project.

The Effectiveness of the Procurement at the Construction Services Selection Implementation Center

The construction industry still faces various challenges in some developing countries, and one of the problems is the procurement of goods and services. The allocation of public procurement funds is significant to the national GDP. It is essential to conduct comprehensive research on government procurement in the construction industry in Indonesia due to the rapid growth of the construction industry in the last decade. This research focuses on the procurement of construction goods and services in the Ministry of Public Works and Housing by looking at the perception of the government as the project owner. This research aims to identify a model of critical success factors to improve public procurement performance in the construction industry from the government's perspective. The research method includes two stages, namely, the development of critical success, which consists of crucial factors and indicators that affect the performance of public procurement in the construction industry. It is a literature study of relevant previous research results from various countries that affect these critical success factors. Then, the second stage is a survey of experts' perceptions through questionnaires. The questionnaire data analysis used SEM-PLS software to quantify the relationship model of critical success factors to improve the performance of government procurement of goods and services in the construction industry. Data processing results include: business process factors affect 97.1%, regulatory factors affect 90.1%, information system factors affect 63.1%, human resource factors affect 56.1%, organizational factors affect 46.1%, and monitoring and evaluation factors affect 38%. Doi: 10.28991/CEJ-2024-010-03-013 Full Text: PDF

The development of a competency framework for architectural engineering graduates: Perspectives by the construction industry in Indonesia

The discrepancy between competence and real work in engineering graduates can be resolved with cooperation by the construction industry. Therefore, it is necessary to determine the appropriate and required architectural engineering competencies with the current demands and conditions of the construction industry. So this study aims to analyze the determinants of competence and test the competency development model for architectural engineering graduates according to the needs of the construction industry. The research sample method is non-probability sampling using purposive sampling. The research sample consisted of 240 practitioners and trainers from 40 construction industry companies. The PLS-SEM technique was used to test the measurement and structural models (3 dimensions, 8 elements, 47 constructs/indicators, and 9 hypotheses). The competence of architecture graduates is determined by the dominant factor, namely Utilities and Building Construction (UBC1 & UBC2, λ = 89.90%), and Building Estimation and Costing (BEC7, λ = 73.30%) is the lowest factor. The ability of the structural model to explain architectural competency measurements is 36.20% in the moderate category. The predictive relevance value (Q²) explains 47.5% to 56.0% of the phenomena predicted in the field and explains the level of strength of the observed value in the structural model. Furthermore, 9 hypotheses from 8 dimensions have a positive and significant effect. The results of this study can be a recommendation for schools in the competency implementation model, and efforts to improve graduates' abilities and skills so that they can be absorbed by the construction industry and reduce unemployment.

Implementation of Construction Safety Plan in The Building Project

Data on work accidents in the construction industry in Indonesia is still relatively high, so the government issued a Construction Safety Management System (CSMS) regulation in 2021. However, many middle to lower-class contractors still need help compiling it. Contractors still use job safety analysis as a substitute for the Construction Safety Plan (CSP) with minimal analysis. Therefore, it is necessary to research the preparation of CSP, which is integrated with the project technique method. The research method used is to describe CSP implementation in selected project cases. The study results show that contractors already have good resources and commitment to carrying out CSP but have limitations in understanding the techniques for preparing CSP documents accompanied by sound risk management analysis.

A STUDY ON EFFICIENCIES AND HINDRANCES TO BIM IMPLEMENTATION IN INDONESIAN CONSTRUCTION PROJECTS

BIM is an integrated system where processes are conducted seamlessly, influencing information exchange not only among software but also among stakeholders. BIM is identified as a method that can be employed to enhance the efficacy and efficiency of construction projects, along with the quality of construction projects. The research aims to evaluate the effectiveness, challenges, and overall performance of BIM in the construction industry in Indonesia, providing insights into the extent to which BIM is utilized and its impact on construction projects in Indonesia. The research uses a literature review method to identify the BIM implementation process and its correlation with BIM maturity. The research results demonstrate the continued high demand for BIM resources among Indonesian construction projects. The use of BIM has been utilized in the construction, design, and planning phases of projects. The maturity of BIM utilization is predominantly associated with collaboration, team building, communication, and clash detection. BIM adoption is still quite low in Indonesia, particularly concerning legality, the availability of BIM requirements, supply chain participation, stakeholder involvement, and standard setting. Keywords: BIM; Performance; Project.

OCCUPATIONAL SAFETY AND HEALTH (K3) BUDGET FOR CONSTRUCTION IN ACCORDANCE WITH THE OMNIBUS LAW

This paper is prepared as one of the requirements for completing studies in the field of Civil Engineering. The topic we discuss in this paper is the Occupational Safety and Health (K3) Budget for Construction in accordance with the Omnibus Law. Our objective is to gain a comprehensive understanding of the Construction K3 Budget that aligns with the Omnibus Law in Indonesia and to analyze its impact on the construction industry in the country. The background of this topic is crucial considering the importance of understanding and implementing Occupational Safety and Health (K3) in the construction industry in Indonesia. With the changing times and technological advancements, K3 has become a critical aspect of carrying out construction activities. Therefore, we find it essential to explore and deepen our understanding of the K3 Budget to provide a comprehensive understanding to the readers. In this paper, we will delve into the K3 Budget and the laws regulating it. We will elaborate on the concepts, theories, and principles related to Construction K3. Additionally, we will involve analysis and a review of relevant literature to support our understanding and arguments. We hope that this paper can be beneficial and make a meaningful contribution to both the professional and academic realms. We also aspire for this paper to serve as a useful reference for readers interested in further studying the Construction K3 Budget. In conclusion, we express our gratitude to all those who have assisted and supported us in preparing this paper. Without their help and support, this paper would not have come to fruition. We hope that this paper proves to be useful and provides valuable insights to the readers.

Comparison of Using Conventional Estimating and Sketchup Pro for Bill Quantity Takeoff Process

Departing from academic anxiety that the construction industry in Indonesia has made rapid progress with the adoption of computing technology and methods in recent years. Increasing infrastructure development encourages construction actors to effectively and efficiently improve project quality. However, the role of the quantity surveyor becomes crucial in facing challenges such as manual quantity picking which is prone to errors and cost estimation that is difficult to do based on rough schematic design. In the context of traditional construction projects, quantity lists are arranged based on 2D drawings, but the use of 3D models has diminished since the adoption of BIM. Sketchup, as a 3D modeling software, and its extension Quantifier Pro provide a solution by combining 3D models to produce accurate quantity takeoff calculations on the Bill of Quantity. This research aims to develop methods to improve the quantity accuracy of elements of an incomplete or incorrect Sketchup model, in the hope of reducing modeling time, improving quantity retrieval performance, and making Sketchup-based cost estimation more effective and efficient in the context of construction. This research method involves 3D modeling using the Sketchup Pro application, using secondary data in the form of Detailed Engineering Design (DED) working drawings. Volume calculation in the Bill of Quantity is done with the help of Sketchup Pro software. The research location is in the Mullberry Cluster residential project, Bekasi City, West Java. The house building in this project was chosen as an object of comparison between conventional calculation methods and calculation methods using Sketchup Pro software. The main focus is to overcome the challenges of manual quantity picking and cost estimation from rough schematic design, emphasizing the crucial role of quantity surveyors. The results showed that the use of 3D models in Sketchup can increase the accuracy of cost estimation and reduce modeling time. The conclusion of the study confirms that Sketchup as an effective alternative solution in increasing efficiency and accuracy in the construction process, especially in the context of taking the quantity of architectural work elements, contributes positively to the development of more sophisticated cost estimation methods in the Indonesian construction industry.

ANALYSIS OF IMPLEMENTATION DELAYS USING THE EARNED VALUE METHOD (ON THE PURWOSARI - SEKARMOJO ROAD WORKS, PASURUAN DISTRICT)

Along with the very rapid development of infrastructure and construction in Indonesia in the era of globalization, the Indonesian government has carried out various large-scale projects to achieve the increasingly complex expectations of society. This will trigger the growth of the construction industry in Indonesia and become one of the main goals in the framework of national development. An infrastructure development project is an activity carried out with limited time and resources to achieve a specified final result. One of the construction projects currently being developed is Road Works. The Earned Value method can be used to determine cost performance and implementation time during the project and the indicators used for analysis include: BCWP (Budget Cost of Work Performance), BCWS (Budget Cost of Work Schedule), ACWP (Actual Cost of Work Performance), SV (Schedule Variance), CV (Cost Variance), SPI (Schedule Performance Index), CPI (Cost Performance Index), EAC (Estimated At Complete) and ET (Estimated To Complete) and TE (Time Estimate). Conclusions from this research is to determine the estimated costs and time for project completion. In the data analysis in the 9th week, the project schedule performance (CPI) was 1.14, greater than 1, while (SPI) was 0.587, less than 1. The results of the calculation of projected costs for the remaining work (ETC) were IDR. 1,586,686,537.62 and total project costs (EAC) of Rp. 2,509,041,243.08.

Optimizing the Integration of Building Information Modelling using Response Spectrum and Linear Time History Analysis. Case Study: Irregular Hangar Structure

The increasing use of technology in the construction industry has introduced the concept of Building Information Modeling (BIM), which is widely utilized to streamline construction activities. BIM enables the exchange of data across various disciplines quickly, as well as facilitates analysis, design, and on-site construction processes. The implementation of BIM will be carried out in the analysis and design processes of structures with irregularities to assess the effectiveness and performance of BIM in modeling and analyzing structures. Considering the burgeoning development of the construction industry in Indonesia, there is a necessity for a laboratory hangar dedicated to conducting structural model tests and construction material examinations. The aim of this study is to compare the response and the volume output between the response spectrum and linear time history analysis of an irregular structure. The case study conducted in this research focuses on the 5-stories Laboratory Hangar in Indonesia. The software used in this study includes Autodesk Revit 2023 for BIM modeling and ETABS V21 for structural analysis. Data and model exchange are performed between both software platforms to evaluate the BIM integration between them.

Opportunities and Challenges of Enterprise Resource Planning (ERP) in Construction Companies in Indonesia: A Systematic Literature Review

This study delineates a systematic review of literature focusing on the opportunities and challenges associated with implementing Enterprise Resource Planning (ERP) in construction companies in Indonesia. Through the Systematic Literature Review (SLR) approach, this article evaluates and analyzes several related studies published within the last five years (2019-2023). This method allows the identification and synthesis of data from various sources such as academic journals, related publications, and databases, which are then analyzed to identify trends, opportunities, and challenges related to ERP implementation within the context of the construction industry in Indonesia. The findings from this literature review reveal a variety of benefits obtained by construction companies after adopting ERP systems, including improved operational efficiency, better resource management, and enhanced strategic decision-making. However, challenges also emerge, including issues related to adapting to change, integration with existing systems, as well as significant implementation costs and time. This analysis provides deep insights into the ERP implementation in the construction industry in Indonesia, providing a foundation for better understanding and further development in facing challenges and leveraging available opportunities.

Analisa Metode Backpropagation Dalam Memprediksi Jumlah Perusahaan Konstruksi Berdasarkan Provinsi di Indonesia

This research aims to analyze the number of construction companies in Indonesia and gain an understanding of the trends and characteristics of the construction industry in that country. In this research, data related to the number of construction companies is analyzed using available sources such as government statistical reports, industry publications, and other secondary data sources. The data we use in this research is data on the number of construction companies by province in Indonesia from 2016-2021 which was taken from the website of the Central Statistics Agency (BPS) using the backprogation artificial neural network (JST) method. The analysis results show that the number of construction companies in Indonesia has increased significantly in recent years. It is hoped that this research will encourage strong economic growth and increasing investment in the infrastructure and property sectors has driven demand for construction services. In addition, government policies that support the construction sector, such as infrastructure development programs and regulations that facilitate foreign investment, also contribute to the growth in the number of construction companies. Apart from growth trends, this research also identifies several characteristics of the construction industry in Indonesia. The industry is dominated by small and medium-sized companies operating locally, although there are also large companies involved in large-scale projects. Competition in this industry is fierce, with companies vying to win construction contracts and develop a competitive advantage. The architectural models that we use in this research are 6 architectural models, of which the best architectural model will be obtained. The architectural models include 5-11-1-1 with an accuracy percentage of 61.8%, 5-12-1- 1 with an accuracy percentage of 70.6%, 5-14-1-1 with an accuracy percentage of 82.4%, 5-18-1-1 with an accuracy percentage of 64.7%, 5-20-1-1 with an accuracy percentage of 70.6%, 5-22- 1-1 with an accuracy percentage of 73.5%. So the best architectural model is obtained, namely the 5-12-1-1 model which produces an accuracy rate of 82.4%. with a Mean Square Error (MSE) of 0.00099997 with an error prone of between 0.001-0.05. These results are quite good in predicting the number of construction companies based on provinces in Indonesia

Sustainable Transformation In the Construction Industry: Reducing Environmental Impact and Enhancing Cost Performance through Waste Utilization and Lean Construction

This research aims to improve cost performance and reduce environmental damage in the construction industry in Indonesia through the implementation of value engineering and lean construction methods. Through a case study on high-rise building construction, the research findings reveal that utilizing concrete waste as a substitute for formwork and applying lean construction practices can achieve cost savings of 55.83% compared to the initial plans. Furthermore, this approach provides additional benefits such as increased construction efficiency, utilization of more sustainable resources, and enhanced corporate reputation in terms of environmentally-friendly practices. The results of this research contribute to achieving zero waste in the construction industry, improving cost performance, and actively participating in global environmental conservation efforts. Moreover, the study has the potential to enhance the sustainability of the construction industry in Indonesia and provide long-term positive benefits.

Job Characteristics, Work-Family Conflict, and Psychological Well-being in Construction Industry Employees

Indonesia's construction industry has experienced remarkable growth over the past decade, as evidenced by statistical data from 2010 to 2019. The number of companies focused on construction has surged in tandem with Indonesia's economic growth. However, this rapid growth has led to a significant discrepancy between the increasing number of staff and available companies. Such an imbalance places immense pressure on construction staff, straining their workloads and overall job satisfaction. To address this issue, a comprehensive research study was conducted employing a combination of field research and literature reviews. The research involved direct visits to the study site to gather primary data from respondents. Primary data collection methods included observations and the use of questionnaires, which probed various variables relevant to the study. Furthermore, extensive literature reviews were conducted, drawing insights from journals, articles, textbooks, and relevant government regulations. The primary objective of this research was to investigate the relationship between workload, work distress, sleep problems, and job satisfaction among employees within the construction industry. The study aimed to identify potential avenues for enhancing employee job performance by mitigating familial and sleep-related challenges. The research focused on employees working within multinational and international contractor branches, as the exact population figures were unavailable, necessitating a nonprobability sampling approach. The research employed quantitative analysis, specifically structural equation modeling (SEM), to examine the intricate connections between work-related factors and their impact on employees' well-being and job satisfaction. The findings of the study revealed both direct and indirect influences of work and family dynamics on job-related issues within the private sector. Notably, companies in the construction industry experienced heightened work pressure, attributed to their higher workload, yet also exhibited greater support from regulatory and business sectors. This research underscores the significance of distinguishing between different sectors when exploring the interplay between work and family dynamics. By shedding light on the unique challenges faced by the construction industry, this study contributes to the existing body of work-family literature, emphasizing the need for tailored approaches when analyzing work-family relationships in distinct sectors.

Mitigating Risk in Construction Business: The Impact of Contractor Business Size and Risk Location (Office and Field)

This study aims to evaluate the relationship between the size of the construction business and the location of the risk with the risks that arise in construction projects in Indonesia. The method used is two-way anova analysis by sampling 90 construction projects in Indonesia. The independent variable in this study is the size of the construction business and the location of the risk, while the dependent variable is the risk on the construction project. The results showed that there is a significant relationship between the size of the construction business and the risks of construction projects in Indonesia. In addition, there is also a significant relationship between the location of risks and risks in construction projects in Indonesia. However, there was no significant interaction between the size of the construction business and the location of risk to risk in construction projects in Indonesia. This research contributes to the construction industry in Indonesia in evaluating the factors that affect risk in construction projects. By knowing the relationship between the size of the construction business and the location of the risk with the risk on the construction project, the contractor company can improve the risk management strategy to minimize the risk to the construction project in the future. Future research may consider other variables such as contractor experience and expertise as well as external factors such as market and political conditions to better understand the factors that influence risk in construction projects in Indonesia.