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OPTIMIZING PROJECT SCHEDULING USING CPM AND PERT METHODS (CASE STUDY: PEJAMBON 8-STOREY FLAT, CENTRAL JAKARTA) Dewi Fauzah; Rafiq Setyawan; Anasya Arsita Laksmi; Sigit Adi Soebakti
Jurnal Ilmiah Teknik Sipil Vol. 28 No. 2 (2024): Jurnal Ilmiah Teknik Sipil, Vol. 28 No. 2, September 2024
Publisher : Universitas Udayana

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24843/JITS.2024.v28.i02.p02

Pejambon 8 Storey-Flat Construction Project is one of the annual work programs through the allocation of Government Islamic Securities (SBSN) funding for the 2023 Ministry of Finance of the Republic of Indonesia. In this research, the CPM and PERT planning methods were used to implement project time management and increase effectiveness, by making schedules empirically. The aim of applying the CPM and PERT methods is to compare expectations with actual progress and avoid delays in critical path activities so that it can shorten the project period by considering costs. This research used the PERT and CPM method approach in evaluating projects. This method begins with compiling a project network diagram and collecting information related to time variations that can occur on projects in the field. Some of the results of the processed data produced are information related to the critical path of the project, probability of project scheduling, and variations in operational costs according to the total duration of work. The data required in this research include the physical progress report of the project, Project Implementation Schedule, Curve S, and RAB.

ANALYSIS OF SOIL BEARING CAPACITY AND FOUNDATION SETTLEMENT IN THE CONSTRUCTION OF GUPUSMU PUSPALAD III JAKARTA Anasya Arsita Laksmi; Arya Maulana Kampai; Harjasa Jonathan; Nina Purwanti; Deakonius Silalahi; Dewa Ramadhan Astama Putra; Dewi Fauzah; Abdul Hadi Adriansyah; Abigail Christy; Andreas Robert Panogu Sitorus; Sigit Adi Soebekti
Jurnal Ilmiah Teknik Sipil Vol. 28 No. 1 (2024): Jurnal Ilmiah Teknik Sipil, Vol. 28 No. 1, Maret 2024
Publisher : Universitas Udayana

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24843/JITS.2024.v28.i01.p05

The ammunition center warehouse and military equipment center are strategically important for Army operations. In the design, an analysis of soil bearing capacity and foundation settlement is required to maximize the structural load of the ammunition center building. Based on this, this study aims to analyze the soil-bearing capacity and potential deformation of the foundation in response to the structural loads applied to the construction of the Ammunition Center Warehouse and Army Equipment Center III in Jakarta. The investigation involved six lightweight sondir points, each with a capacity of 2.5 tons, to obtain a conus value of 250 kg/cm2. The information obtained from the sondir test was used to determine the bearing capacity of the soil and the amount of foundation settlement that might occur. Based on the analysis and calculations, a shallow foundation, namely a 2-meter-deep footing, was selected. The allowable soil bearing capacity is 1.18 kg/cm2, and the foundation settlement at P1 is about 2.8 cm and 1.3 cm at P2. This research is expected to be the basis for designing ammunition warehouse foundations in military institutions.

ANALYSIS OF HEAVY EQUIPMENT USAGE FOR INLET CONDUIT WORK ON CIJUREY DAM PROJECT PACKAGE 1 Ega Dwi Prasetyo; Ekodjati Tunggulgeni; Anasya Arsita Laksmi
Jurnal Ilmiah Teknik Sipil Vol. 28 No. 2 (2024): Jurnal Ilmiah Teknik Sipil, Vol. 28 No. 2, September 2024
Publisher : Universitas Udayana

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24843/JITS.2024.v28.i02.p07

Earth excavation work cannot be separated from the use of heavy equipment, where job performance is expected to be completed in a fast time at a minimum cost. Thus, it is necessary to calculate tool productivity to determine the combination of heavy equipment usage in a job. The productivity of heavy equipment can be determined based on the cycle time of working tools, where the cycle time of each tool has a difference depending on the size of the tool and the type of material being worked on. The method used by comparing productivity between heavy equipment is calculated by observing the cycle time of heavy equipment in completing the work. The productivity comparison obtained is used to calculate the most efficient tool requirements in a job which then calculates the costs that need to be incurred to complete a job. In this case, the efficiency of the combination of heavy equipment fleets can be done if the productivity between tools is far enough adrift. This efficiency value can affect the length of working time or equipment costs, or both. In this study, the efficiency of heavy equipment in the earth excavation work of the Cijurey Dam inlet area can be done through changes in the combination of heavy equipment fleets which originally used two excavators and four dump trucks to three excavators and four dump trucks. The results of heavy equipment efficiency show an acceleration of work time and a reduction in cost expenditure, the new fleet change of heavy equipment is using fleet 3 which can streamline time up to 80 working hours and reduces costs by Rp97,543,226.67.

OPTIMIZING PROJECT SCHEDULING USING CPM AND PERT METHODS (CASE STUDY: PEJAMBON 8-STOREY FLAT, CENTRAL JAKARTA) Dewi Fauzah; Rafiq Setyawan; Anasya Arsita Laksmi; Sigit Adi Soebakti
Jurnal Ilmiah Teknik Sipil Vol. 28 No. 2 (2024): Jurnal Ilmiah Teknik Sipil, Vol. 28 No. 2, September 2024
Publisher : Universitas Udayana

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24843/JITS.2024.v28.i02.p02

Pejambon 8 Storey-Flat Construction Project is one of the annual work programs through the allocation of Government Islamic Securities (SBSN) funding for the 2023 Ministry of Finance of the Republic of Indonesia. In this research, the CPM and PERT planning methods were used to implement project time management and increase effectiveness, by making schedules empirically. The aim of applying the CPM and PERT methods is to compare expectations with actual progress and avoid delays in critical path activities so that it can shorten the project period by considering costs. This research used the PERT and CPM method approach in evaluating projects. This method begins with compiling a project network diagram and collecting information related to time variations that can occur on projects in the field. Some of the results of the processed data produced are information related to the critical path of the project, probability of project scheduling, and variations in operational costs according to the total duration of work. The data required in this research include the physical progress report of the project, Project Implementation Schedule, Curve S, and RAB.

ANALYSIS OF SOIL BEARING CAPACITY AND FOUNDATION SETTLEMENT IN THE CONSTRUCTION OF GUPUSMU PUSPALAD III JAKARTA Anasya Arsita Laksmi; Arya Maulana Kampai; Harjasa Jonathan; Nina Purwanti; Deakonius Silalahi; Dewa Ramadhan Astama Putra; Dewi Fauzah; Abdul Hadi Adriansyah; Abigail Christy; Andreas Robert Panogu Sitorus; Sigit Adi Soebekti
Jurnal Ilmiah Teknik Sipil Vol. 28 No. 1 (2024): Jurnal Ilmiah Teknik Sipil, Vol. 28 No. 1, Maret 2024
Publisher : Universitas Udayana

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24843/JITS.2024.v28.i01.p05

The ammunition center warehouse and military equipment center are strategically important for Army operations. In the design, an analysis of soil bearing capacity and foundation settlement is required to maximize the structural load of the ammunition center building. Based on this, this study aims to analyze the soil-bearing capacity and potential deformation of the foundation in response to the structural loads applied to the construction of the Ammunition Center Warehouse and Army Equipment Center III in Jakarta. The investigation involved six lightweight sondir points, each with a capacity of 2.5 tons, to obtain a conus value of 250 kg/cm2. The information obtained from the sondir test was used to determine the bearing capacity of the soil and the amount of foundation settlement that might occur. Based on the analysis and calculations, a shallow foundation, namely a 2-meter-deep footing, was selected. The allowable soil bearing capacity is 1.18 kg/cm2, and the foundation settlement at P1 is about 2.8 cm and 1.3 cm at P2. This research is expected to be the basis for designing ammunition warehouse foundations in military institutions.

ANALYSIS OF HEAVY EQUIPMENT USAGE FOR INLET CONDUIT WORK ON CIJUREY DAM PROJECT PACKAGE 1 Ega Dwi Prasetyo; Ekodjati Tunggulgeni; Anasya Arsita Laksmi
Jurnal Ilmiah Teknik Sipil Vol. 28 No. 2 (2024): Jurnal Ilmiah Teknik Sipil, Vol. 28 No. 2, September 2024
Publisher : Universitas Udayana

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24843/JITS.2024.v28.i02.p07

Earth excavation work cannot be separated from the use of heavy equipment, where job performance is expected to be completed in a fast time at a minimum cost. Thus, it is necessary to calculate tool productivity to determine the combination of heavy equipment usage in a job. The productivity of heavy equipment can be determined based on the cycle time of working tools, where the cycle time of each tool has a difference depending on the size of the tool and the type of material being worked on. The method used by comparing productivity between heavy equipment is calculated by observing the cycle time of heavy equipment in completing the work. The productivity comparison obtained is used to calculate the most efficient tool requirements in a job which then calculates the costs that need to be incurred to complete a job. In this case, the efficiency of the combination of heavy equipment fleets can be done if the productivity between tools is far enough adrift. This efficiency value can affect the length of working time or equipment costs, or both. In this study, the efficiency of heavy equipment in the earth excavation work of the Cijurey Dam inlet area can be done through changes in the combination of heavy equipment fleets which originally used two excavators and four dump trucks to three excavators and four dump trucks. The results of heavy equipment efficiency show an acceleration of work time and a reduction in cost expenditure, the new fleet change of heavy equipment is using fleet 3 which can streamline time up to 80 working hours and reduces costs by Rp97,543,226.67.

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