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All Journal International Journal of Artificial Intelligence Research The Spirit of Society Journal : International Journal of Society Development and Engagement EXTRAPOLASI: Jurnal Teknik Sipil Jurnal Pengabdian Magister Pendidikan IPA Portal: Jurnal Teknik Sipil Jurnal Teknik Industri Terintegrasi (JUTIN) International Journal Of Science, Technology & Management (IJSTM) Jurnal Teknik Sipil Cendekia (JTSC) Extrapolasi JOURNAL OF HUMANITIES, SOCIAL SCIENCES AND BUSINESS (JHSSB) International Journal of Hydrological and Environmental for Sustainability International Journal Science and Technology (IJST) Journal of Management, Accounting, General Finance and International Economic Issues (MARGINAL) International Journal on Advanced Technology, Engineering, and Information System (IJATEIS) INJURITY: Journal of Interdisciplinary Studies Eduvest - Journal of Universal Studies Jurnal Lingkungan Karya Arsitektur Enrichment: Journal of Multidisciplinary Research and Development SAINTEK Asian Journal of Social and Humanities International Journal of Social Science and Community Service
Hanie Teki Tjendani, Hanie Teki
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TIME AND COST ACCELERATION ANALYSIS USING CRASHING METHOD WITH ADDITIONAL WORKING HOURS IN THE CONSTRUCTION PROJECT OF KAPAS – GLENDENG 8 BRIDGE, BOJONEGORO DISTRICT Ariyanto, Subkhan; Tjendani, Hanie Teki; Witjaksana, Budi
INTERNATIONAL JOURNAL ON ADVANCED TECHNOLOGY, ENGINEERING, AND INFORMATION SYSTEM Vol. 2 No. 4 (2023): NOVEMBER
Publisher : Transpublika Publisher

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.55047/ijateis.v2i4.974

Abstract

Infrastructure development plays a very important role as capital in efforts to stimulate increased economic productivity, both at the national and regional levels, as well as reducing unemployment, alleviating people from poverty and of course improving the standard of living of the community at large. Delays in completing a project are a problem that often arises and can have an impact on the entire work, especially with time delays resulting in increased costs which can be detrimental to many parties. This delay also occurred in the Kapas-Glendeng 8 bridge construction project, Bojonegoro Regency. In anticipation of these delays, it is necessary to accelerate time and costs. In this research the author uses the crashing method with the alternative of increasing working hours. The crashing method is a way of estimating cost variables to determine the maximum and most economical reduction in the duration of an activity that is still possible to reduce. The research results showed that the total time and cost of the project required after crashing was 174 calendar days with a cost under accelerated conditions of Rp. 2,555,189,555.98 with a difference of 6 calendar days from the normal duration of 180 calendar days and a fee under normal conditions of Rp. 2,548,581,990.63.
INDIRECT COST ANALYSIS OF THE CONSTRUCTION PROJECT OF SPORTS FACILITIES IN KANOR SUB-DISTRICT, BOJONEGORO DISTRICT WITH LINEAR REGRESSION METHOD Zuhri, Syaefuddin; Witjaksana, Budi; Tjendani, Hanie Teki
INTERNATIONAL JOURNAL ON ADVANCED TECHNOLOGY, ENGINEERING, AND INFORMATION SYSTEM Vol. 3 No. 2 (2024): MAY
Publisher : Transpublika Publisher

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.55047/ijateis.v3i2.982

Abstract

The calculation of indirect costs carried out by contractors so far has no reference or there is no standardized design to be a benchmark. For this reason, researchers will analyze the primary and secondary data of this study to determine the indirect costs of direct costs or against the contractors' contracts. This study analyzes the amount of indirect costs in the Kanor District Sports Facilities Development project of Bojonegoro Regency and looks for a relationship between indirect costs and bid prices with time performance on the Kanor District Sports Facilities Development project of Bojonegoro Regency. This research method uses data processing and indirect cost RAB making. and using analysis methods with linear regression statistical analysis. Indirect costs in the Kanor District Sports Facilities Development project are allocated to 4 (four) main things, namely tax and insurance costs (61.49%), risk costs (7.21%), and overhead costs (8.62%), general costs (8.325) quality costs 4.36%) where the percentage is calculated from the total amount of indirect costs. From the linear regression analysis it can be concluded that indirect costs affect the project work time. Bid price has no effect on project work time. Indirect costs and bid prices affect the time of work.
ANALYSIS OF COST AND TIME PERFORMANCE IN THE WADUNGASRI MARKET CHANNEL NORMALIZATION WORK IN SIDOARJO USING THE EARNED VALUE METHOD Proboretno, Wuri; Witjaksana, Budi; Tjendani, Hanie Teki
INTERNATIONAL JOURNAL ON ADVANCED TECHNOLOGY, ENGINEERING, AND INFORMATION SYSTEM Vol. 3 No. 2 (2024): MAY
Publisher : Transpublika Publisher

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.55047/ijateis.v3i2.983

Abstract

The construction project management for Wadungasri Sidoarjo Market Drainage Normalization aims to achieve cost, quality, and time objectives within a 100-day timeframe. This study addresses a 7.44% delay experienced by contractors, seeking to establish early warning mechanisms for poor project performance. The Earned Value Method is employed, integrating time and cost value concepts. Key indicators such as Cost Variance (CV), Schedule Variance (SV), work productivity index (CPI), time productivity index (SPI), project completion cost forecast (EAC), and project completion schedule forecast (ECD) are utilized. The results reveal a required cost of Rp 563,044,547.85 (ETC) and a 65-day timeframe (ETS) at the end of the 7th week, with a 0.64% increase in project completion cost (EAC) over the contract cost. The project completion time (EAS) is estimated at 114 days, reflecting a 0.14% extension. The analysis emphasizes the importance for construction service providers to implement efficient methods and consistent supervision to avoid delays in the Wadungasri Sidoarjo Market Drainage Normalization project.
COST AND TIME ANALYSIS USING THE CRASHING METHOD ON THE PROBOLINGGO – BANYUWANGI TOLL ROAD PROJECT PEKET 2: STA 9+000 – 20+200 Nugraha, Budidarma Ardi; Tjendani, Hanie Teki; Witjaksana, Budi
INTERNATIONAL JOURNAL ON ADVANCED TECHNOLOGY, ENGINEERING, AND INFORMATION SYSTEM Vol. 2 No. 4 (2023): NOVEMBER
Publisher : Transpublika Publisher

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.55047/ijateis.v2i4.984

Abstract

The government is building toll roads in various regions in Indonesia to realize economic acceleration and minimize economic inequality in society. However, based on facts on the ground, there are still many delays in toll road construction projects which are detrimental so it is necessary to take steps to accelerate the work. The aim of this research is to analyze the time and costs of accelerating the Probolinggo – Banyuwangi Toll Road construction project STA 9+000 – 20+200 using the Crashing Method. This type of research is quantitative research with the research subject being PT. Hutama Karya Indonesia (HKI) as the project implementing contractor. The research uses secondary data, namely the Draft Expenditure Budget (RAB), Schedule, weekly reports, and project costs for the completion of Toll Road construction work. The data collection method was carried out using observation and documentation methods. The research data analysis technique uses the Crashing. The results of research state: 1) On work on the Probolinggo – Banyuwangi Toll Road project Job STA 9+000 – 20 +200 job time can be accelerated to 311 days, which originally lasted 394 days. 2) Application of the Crashing Method to the Probolinggo Toll Road project– Banyuwangi STA Jobs 9+000 – 20+200 with critical path on public works, workplace cleaning, earthworks, drainage, sub grade, aggregate base layer, pavement, work others, traffic light lighting and electrical works, plazas Tolls, and work on toll facilities and toll gate offices can saving 115 days of work time with additions cost Rp. 72,941,450,191.64.
ANALYSIS OF RISK MANAGEMENT IN BUILDING WORKERS OF SMAN 5 BRAWIJAYA BUILDING KEDIRI Setiawan, Endik; Witjaksana, Budi; TJendani, Hanie Teki
INTERNATIONAL JOURNAL ON ADVANCED TECHNOLOGY, ENGINEERING, AND INFORMATION SYSTEM Vol. 2 No. 4 (2023): NOVEMBER
Publisher : Transpublika Publisher

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.55047/ijateis.v2i4.987

Abstract

Construction projects are a job sector that has level risks and work accident , this is caused consequence low awareness to application Occupational Safety and Health (K3) and in accordance with the regulations applicable legislation. Often application of K3 to a construction project considered only as a cost expense , not as an investment to prevent happen work accidents but can give level loss of the construction project. Kediri is city biggest third in East Java province after Surabaya and Malang according to population . Kediri City is city the oldest in East Java. SMAN 5 Taruna Brawijaya Kediri, East Java was built with the aim of support teaching and learning activities. Results of the analysis it can be categorized Work accidents among construction workers at SMAN 5 Brawijaya Kediri : Indiscipline workforce , Do not have standardization of good and clear K3 implementation, Refuse recommendation use of personal safety equipment , No evaluation system regarding the implementation of work in implementing K3, and unclear division of tasks in formation organization so it is not clear how to implement it.
COST ANALYSIS ON THE CONSTRUCTION OF SPORTS FACILITIES IN KEDEWAN SUB-DISTRICT, BOJONEGORO DISTRICT WITH EVM (EARNED VALUE METHOD) Riduwan, Sanda Praja; Witjaksana, Budi; TJendani, Hanie Teki
INTERNATIONAL JOURNAL ON ADVANCED TECHNOLOGY, ENGINEERING, AND INFORMATION SYSTEM Vol. 2 No. 4 (2023): NOVEMBER
Publisher : Transpublika Publisher

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.55047/ijateis.v2i4.988

Abstract

The implementation of construction work has the main targets in construction management, such as construction costs, quality of construction work and construction implementation time. Construction activities can be declared successful in their management if they produce work products with the quality criteria that have been determined, on time, and according to the agreed costs. Using EVM (Earned Value Method) in project management 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), EAS (Estimated At Schedule) and ETS (Estimated Temporary Schedule). By using this method in the Sports Facilities Construction Project, Kecamatan Kedewan, Kabupaten Bojonegoro, the ACWP (Actual Cost of Work Performed), BCWP (Budgeted Cost of Work Performed), and BCWS (Budgeted Cost of Scheduled) values were obtained. The CV value obtained <0 in weeks 1 to 7 indicates that the costs incurred were greater than the plan, but in weeks 8 to 15 the CV value >0 means that in that week the costs incurred were less than the plan. Meanwhile, meaning the project is experiencing a delay from plan. The estimated of the completion budget requirement obtained from the ETC (Estimate to Compile) value is Rp. 3,345,105,521.28, while the estimated final total project cost obtained from the EAC (Estimate at Complete) value is Rp. 5,680,868,593.22.
ANALYSIS OF CONTRACT CHANGE ORDER (CCO) COSTS IN BUILDING CONSTRUCTION PROJECTS Pratondo W, Wahyu; Witjaksana, Budi; Tjendani, Hanie Teki
INTERNATIONAL JOURNAL ON ADVANCED TECHNOLOGY, ENGINEERING, AND INFORMATION SYSTEM Vol. 3 No. 1 (2024): FEBRUARY
Publisher : Transpublika Publisher

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.55047/ijateis.v3i1.991

Abstract

In project implementation, change orders frequently arise post-contract signing between the owner and contractor. These changes often stem from design modifications or budget adjustments by the owner. Contractor-initiated change orders result from disparities between design plans and bill of quantities, insufficient design details, impractical field conditions, complex design execution, and challenges in material mobilization. Poorly managed change orders can lead to increased costs, delays, and diminished contractor performance. To mitigate change orders, this study employs change order correlation analysis using original data, evaluating change order ratio (COR), change order ratio in addition (CORA), and change order ratio in subtraction (CORS). Analyzing six construction projects, the study concludes that the average Change Order Ratio Index (COR) is 26%, indicating a 26% change from the original contract value. The average Change Order Ratio in Addition (CORA) is 16%, signifying 16% of changes result from additional work. The average Change Order Ratio in Subtraction (CORS) is 10%, indicating 10% of changes stem from work being less than the original contract value.
TIME AND COST ANALYSIS ON PROCUREMENT OF SUTET 275 Kv 2CCT QUADRUPLE ZEBRA GUMAWANG – GITET LAMPUNG 1 USING TIME COST TRADE OFF METHOD Adam, Ijaz; Witjaksana, Budi; TJendani, Hanie Teki
INTERNATIONAL JOURNAL ON ADVANCED TECHNOLOGY, ENGINEERING, AND INFORMATION SYSTEM Vol. 3 No. 1 (2024): FEBRUARY
Publisher : Transpublika Publisher

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.55047/ijateis.v3i1.992

Abstract

Indonesia as an archipelago state is still need an equality development with the intention in achieving the goals to fulfill the requirement of structure and infrastructure. The economy that has experiencing growth, it can be seen with the rising of the demand for supply of electricity power whether it is coming from domestic moreover from industrial usages. Lampung Province, as one of the regions which is in a continuation to develop, requires the support of electric power, which at its peak load reaches 1200 MW, while the capacity of the existing power plant can only produce 700 MW, therefore the construction of a 275 kV Gumawang-Lampung 1 SUTET interconnection network with a capacity of up to 2000 MW was established to meet these requirements. Based on the time schedule which noted that the duration of foundation work started with the excavation, concreting until the reaches of it's curing time in 28 days is 42 days in 2023 December 13th is on try to speed up can be curing in 2023 December 8th, so the schedule tower installation in 2023 December 9th will be on time. Due to this delay, the researcher intends to carry out an acceleration analysis starting with preparing a network diagram using the Microsoft Project software, followed by the crashing process by adding groups of workers and tools of any activities on the critical path. The next step is to calculate the crash cost and cost slope values using the time cost trade off (TCTO) method.
DESIGN REVIEW ANALYSIS OF THE USE OF STONE HEAPS FROM STONE EXCAVATIONS IN THE PROBOLINGGO – BANYUWANGI TOLL ROAD CONSTRUCTION PROJECT SECTION 3 Abdul Q, Muhammad Ali Hasymi; Witjaksana, Budi; Tjendani, Hanie Teki
INTERNATIONAL JOURNAL ON ADVANCED TECHNOLOGY, ENGINEERING, AND INFORMATION SYSTEM Vol. 3 No. 1 (2024): FEBRUARY
Publisher : Transpublika Publisher

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.55047/ijateis.v3i1.998

Abstract

In constructing a toll road, the road structure will be carried out by constructing embankments on the road. However, in practice it often causes elevation differences between the two land surfaces, thereby increasing the risk of landslides. The objectives of the research are 1) Identifying the impact if Common Borrow Material (CBM) embankment work is replaced by rock embankment from excavation results, 2) Determine the value engineering process steps related to completing alternative design selection if there are differences between the actual Detailed Engineering Design in the field and 3) Determine the strategy and design optimization for volume differences which have implications for additional costs and project implementation time. The research uses a combination of quantitative and qualitative research methods. The data analysis technique is carried out using the Zero-one and Cost Analysis methods. The research results prove that 1) Implementation of the design review method for changes in common borrow material dumping work requires innovation to reduce cost elements and match performance and quality. 2) Solving problems using the design review method in the civil works construction phase where the Detail Engineering Design and actual field conditions have different stages of value engineering analysis. 3) Based on function analysis to optimize cost savings for work items using design review, a Preliminary Design according to DED Rp. 4,068,258,782,670 and Design after RE Rp. IDR 3,987,286,153,268 so the cost reduction after implementing the design review for the work of piling stones from stone excavation results is IDR 80,972,629,402.
COST AND TIME ANALYSIS USING EARNED VALUE METHOD BUILDING CONSTRUCTION OF DISTANCE LEARNING PROGRAM UNITS OF SURABAYA OPEN UNIVERSITY PHASE II Asmoro, Mochamad Ranoe; Witjaksana, Budi; Tjendani, Hanie Teki
INTERNATIONAL JOURNAL ON ADVANCED TECHNOLOGY, ENGINEERING, AND INFORMATION SYSTEM Vol. 3 No. 1 (2024): FEBRUARY
Publisher : Transpublika Publisher

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.55047/ijateis.v3i1.1020

Abstract

Project delays often serve as a catalyst for conflicts and disagreements between project owners and contractors, leading to significant financial implications. Such delays result in costly consequences for both parties involved. Contractors face the imposition of penalty fines as stipulated in the contractual agreement, alongside incurring overhead costs during the prolonged project duration. Conversely, owners experience a direct impact on their revenue streams due to delays in the operationalization of the facility. In the context of the construction of the Surabaya Open University Distance Learning Program Unit building phase II, the examination of cost and time performance becomes imperative. Employing the earned value method offers a comprehensive approach to project performance evaluation, involving a meticulous comparison of actual expenses and timelines with the initially anticipated costs. This analytical approach aids in understanding the project's progress and identifying areas where adjustments may be necessary to mitigate potential delays. The Earned Value Method (EVM) analysis of the Surabaya Open University Distance Learning Program Unit building phase II reveals a projected total cost of IDR 73,908,443,223.09 by the time the project reaches completion. This estimation provides stakeholders with valuable insights into the financial commitment required for the successful conclusion of the project. Additionally, the anticipated timeline for completion is estimated at 53 weeks, serving as a crucial parameter for project planning and management.
Co-Authors Abdul Q, Muhammad Ali Hasymi Abid, Ahmad Rois Adam, Ijaz Alan Muin, Oskar Ezra Alifian, Muhammad Hilmi Alves, Agata Maria Orleans Andiyan Aprilina, Sasa Ariyanto, Subkhan Asmoro, Mochamad Ranoe Assyifa, Moh Zahdi Aviska Triayaska Balido, Pandji Thoha S. Budi Witjaksana, Budi Dani, Bintang Arma Erni Puspanantasari Putri, Erni Puspanantasari Esti Wulandari Esti Wulandari Farokhman, Moh Fani Febryan, Daniswara Fawwaz Firdaus, Muhammad Bayu Intan Kusumaningayu Jaka Purnama Jamiludin, Jamiludin Khakimin, Achmad Lukmanul Klau, Maria Junita Koten, Oktafiano Agustinus Laksono Djoko Nugroho Luis, Laurenco Mardiah, Arifa Minaryo, Kris Muchamad Lutfi, Muchamad Mughni, Amalia Fathimah Azh Zhahra Muhammad Efendi, Muhammad Muhammad Shohib, Muhammad Muqaddas, Zaiful Novianto, Muhammad Taufik Nugraha, Budidarma Ardi Nurkaruniati, Titik Oetomo, Wateno Omanwar, Shreeniwas Patriadi, Andi Pramadha, Ichsan Yanuansyah Pratondo W, Wahyu Proboretno, Wuri Puspanantasari, Erni Rahmad Junaidi, Rahmad Rahmatullah, Yan Rakasyiwi, Gilang Ramadhan Renden, Afrianto Tandi Riduwan, Sanda Praja Risma Marleno Riyadi, Noor Rizkiardi, Aditya Rochmat, Muhammad Fikri Ar Rohim, Abd. Rudiansyah Rudiansyah, Rudiansyah Sajiyo Sajiyo, Sajiyo Saputri, Firda Auliya Ajie Selan, Mikdon Tobi Sembiring, Yuriza Fauziah SETIAWAN, ENDIK Setyagraha, Javan Agustian Shinta Berlinda Wulandari Slamet Riyadi Sugeng Hariyadi, Sugeng Suprapto, Aki’ Supriyanto, Yunaidi Veithzal Rivai Zainal Zuhri, Syaefuddin