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Henriette D. Titaley
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Jl. Ir. M. Putuhena, Wailela-Rumah Tiga, Kota Ambon Provinsi Maluku
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Jurnal Agregate
Published by Politeknik Negeri Ambon
ISSN : -     EISSN : 29645158     DOI : https://doi.org/10.31959/ja.v2i1
Core Subject : Engineering,
Civil Engineering, Building, Construction & Architecture Transportation
Jurnal Agregate adalah Jurnal yang memberikan informasi ilmiah tentang perkembangan ilmu pengetahuan dan teknologi bidang Struktur, Bahan Bangunan Dan Kegempaan, Teknik Sumber Daya Air, Transportasi, Management Konstruksi, Geoteknikal, Teknik Pantai Dan Tsunami.
Arjuna Subject : Teknik (semua kategori) - Teknik Sipil dan Struktur
Articles 139 Documents
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ANALISA PERBANDINGAN WAKTU PENJADWALAN PROYEK DENGAN METODE CPM (CRITICAL PATH METHOD) DAN PDM (PRECEDENCE DIAGRAM METHOD) (Studi Kasus : Rehabilitasi dan Renovasi Sarana Prasarana SD Negeri Waemasing, Kec. Waesama, Kab. Buru Selatan) Gabriel C. A. Lesbasa; Meyke Marantika; Nelda Maelissa; Rudi Serang
Journal Agregate Vol. 1 No. 1 (2022): September
Publisher : Jurusan Teknik Sipil

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Abstract

Project delays are a highly unenviable condition. A school project in Waesama Sub-district, Buru Selatan Regency was delayed where 208 days of planning were not achieved, and were realized more than the plan. This study aims to distinguish the duration of the project using CPM and PDM on the project, as well as determine the optimal duration between the two methods. As well as obtaining critical jobs for CPM and PDM. CPM (Critical Path Method) is an AON (Activity on Node) method that only has one constrain, namely FS (Finish to Start). While PDM (Precedence Diagram Method) is an AON (Activity on Node) method that has 4 constrains FS (Finish to Start), SS (Start to Start), SF (Start to Finish), FF (Finish to Finish). The results of this comparative study found that there were differences in activities that were critical, there were also differences in duration after the use of these two methods. Where CPM produces a duration of 203 days, while PDM produces the most optimal duration of 200 days because it saves 8 days more than the duration of project planning. The use of PDM methods were more effective.
STUDI KORELASI PERILAKU PEKERJA TERHADAP PENERAPAN KESEHATAN DAN KESELAMATAN KERJA PADA PEMBANGUNAN POLIKLINIK FAKULTAS KEDOKTERAN UNIVERSITAS PATTIMURA AMBON Austin Caroles; Selly Metekohy; Henriette Dorothy Titaley
Journal Agregate Vol. 1 No. 1 (2022): September
Publisher : Jurusan Teknik Sipil

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Abstract

Occupational Health and Safety is an effort to create a safe and healthy workplace so that it can increase work productivity. Occupational health is a condition where every worker must have a healthy state both physically, mentally and socially at work and must also maintain and protect health to work optimally and produce satisfactory work results. Based on the background of the problem, the author conducted a study to know how the relationship between the behavior of workers to the application of K3 in the Construction of the Polyclinic of the Faculty of Medicine, Pattimura University, Maluku, and whether the related Variables have a partial and simultaneous effect on the application of K3 or not. The methods carried out in this study there are 4 methods, namely: Validation Test, Reality Test, T-Test, and F Test. For the results of the Validation test, it is explained that all questions in the variables worker behavior and application of K3 are valid because the R count is greater than the R table and the Significance value does not exceed 0.05. For the results of the Reliability Test above, it is stated that the Question for Worker Behavior Variables, and Y is Reliable because the Cronbach Alpha value obtained exceeds 0.6. For the results of the T-test, it is known that the related variable has a partial effect on Variable Y. And from the results of the F test, it is known that the related variable has a simultaneous effect on Variable Y. The result of the study shows that there is a relationship between worker behavior and the application of K3, which is 95.1% and it is also known that the Worker Behavior Variable had a partial and simultaneous effect on the K3 Application Variable. Keywords: Correlation Study, Application of K3, Regression
PENERAPAN METODE NILAI HASIL PADA PROYEK PEMBANGUNAN GEDUNG PELAYANAN BPKB DIT LANTAS POLDA MALUKU Julia Dewi Leatemia; Lenora Leuhery; Nelda Maelissa
Journal Agregate Vol. 1 No. 1 (2022): September
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Abstract

The construction of the BPKB Service Building of the Maluku Police Traffic Directorate is planned to be completed in 150 calendar days. But in fact the project experienced addendum 1 on November 2, 2020 because at the time of the field inspection the size of the plan drawing did not match the size in the field, so this project experienced a delay of 27.895%. So that delays in project implementation do not recur, the author's goal is to find out cost and time deviations using the result value method. This method uses basic assumptions to make forecasts so that you have enough time to think about how to deal with problems in the future. Data collection techniques carried out are site surveys, observations, and literature. There are two types of variables, namely the independent variable is time and the dependent variable is cost. The data analysis technique used the result value method. The results of the analysis at week 28 of the cost performance index (CPI) < 1 which means the actual costs (ACWP) incurred are greater than the planned work costs (BCWP) so that the project experiences a cost deviation of Rp. 106,014.970.36 from the value a contract of Rp. 21,701,579,200.00 with a percentage of 0.49% and a time performance index (SPI) < 1 which means the project performance is slower than the planned schedule so that the project experiences time deviations for 200 working days with a weight of 6.5845% from the planning schedule 150 working days. Keywords : Earned Value Method, Schedule Performance Index (SPI), Cost Performance Index (CPI)
KAJIAN KAPASITAS JALAN PANTAI LOSARI DENGAN METODE ANALISIS BERDASARKAN PKJI 2014 Selviana Walsen; Penina Istia
Journal Agregate Vol. 1 No. 1 (2022): September
Publisher : Jurusan Teknik Sipil

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Abstract

Ambon City is the capital of Maluku province, which every year there is an increase in the number of vehicles. So it is necessary to review the traffic density on each road segment. The function of traffic density identification is to estimate the degree of traffic saturation, and to anticipate future traffic developments. One of the roads that needs to be reviewed is street Losari beach. Street Losari beach is the main access in the movement of vehicles to the traditional shopping center of the Ambon city community, namely Mardika Market.In this study, an analytical method was used based on the Indonesian Road Capacity Guide (PKJI 2014). This method uses primary data in the form of the number of vehicles. For validation of PKJI's calculated speed, speed data is also taken. Then the data is processed to estimate the degree of saturation of the road segment.The results of the study illustrate that there are 2 patterns for peak hours, namely Monday 27 January 2020 and Thursday 30 January 2020 at 08-09 am and 17-18 pm. The number of vehicles from the market direction to Amplaz is higher than the number of vehicles from the Amplaz direction to market. The calculated and actual travel speed ranges from 29-36 km/h. Based on the results of the analysis of the degree of road saturation in current conditions, it can be seen that on Monday, January 27, 2020, it has reached 0.83 and is still below the limit set by PKJI (2014) which is 0.85. however, this figure is already close, so anticipation is needed before it reaches 0.85.Keywords: Capacity; Street; Losari beach
ANALISIS KINERJA SIMPANG TAK BERSINYAL PADA JALAN SIMPANG HOTEL SANTIKA PREMIER KOTA AMBON Sani Sahertian; Anthoneta Maittimu; Penina T. Istia
Journal Agregate Vol. 1 No. 1 (2022): September
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Abstract

The unsignalized intersection on the Jln. Clove Gardens, Jln. Jendral Sudirman, and Jln. Galunggung is an asymmetrical intersection which is currently experiencing problems. This intersection is the only connecting road from within the city to outside the city, or vice versa and is the main link where vehicles meet from the clove garden road, Jendral Sudirman road and Galunggung road sections. This intersection has a busy traffic activity where you can see many types of vehicles ranging from motorcycles, light vehicles, heavy vehicles to pedestrians passing through the intersection. And there are activities at the intersection approach such as public transportation that stops to raise or lower passengers and vehicles that enter and leave beside the road from the environment around the intersection. The purpose of this research is to overcome traffic flow conflicts at the unsignalized intersection, this research takes place at the unsignalized intersection Jln. Clove Gardens, Jln. Jendral Sudirman, and Jln. Galunggung Ambon City, using primary data and secondary data, as well as data sources obtained from survey results, and analysis method used PKJI 1997 analysis. The results obtained are traffic performance at the unsignalized intersection of Jln. Clove Gardens, Jln. Jendral Sudirman, and Jln. Galunggung got the highest density level on Saturday, September 4, 2021 with a value of Capacity (C) = 2275 pcu/hour, traffic flow (Q) = 4879 pcu/hour, and Degree of Saturation (DS) > 2,14 in 17 time period: 00 – 18:00. The speed of light vehicles that pass Jln. Jenderal Sudirman is 9.05 km/hour which occurs in the period 17:00 – 18:00.Keywords: unsignalized intersection, hotel santika road
ANALISIS KAPASITAS DAYA DUKUNG FONDASI TIANG PANCANG PADA PEMBANGUNAN GEDUNG KHATOLIK CENTER Patrick Emillio Sahetapy; Godfried Lewakabessy; Sjafrudin Latar
Journal Agregate Vol. 1 No. 1 (2022): September
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Abstract

Pile bearing capacity is the ability of the pile to support the load acting on the pile. The bearing capacity of the pile foundation must be greater than the load that occurs so that it can safely hold the building. Likewise for the pile foundation used in the construction of the Catholic Center Building, which must be able to support the loads that work on it. For this reason, it is necessary to calculate the bearing capacity of single or group pile foundations to support the load of the Catholic Center Building. Many methods are used to calculate the bearing capacity of piles, one of which is by using the equation proposed by Meyerhof (1976) which uses data from the Standard Penetration Test (SPT) obtained. In this method the value of N from the SPT results is used to find the pile end resistance and pile friction resistance. From the results of the calculations, the total weight of the Catholic Center (P) building is 20462 KN. The single pile bearing capacity based on the first point is 320.2 KN and the second point is 550.7 KN. The total bearing capacity of the pile group contained in the Catholic Center Building Construction based on drilling point one is 17261 KN and drilling point two is 30179 KN. 24255 KN. Thus the pile foundation in the construction of the Catholic center building is able to safely support the weight of the building, namely Qa = 24255 KN > P = 20462 KN. Keywords: Pile Foundation, Bearing Capacity, Meyerhof
Analisis Risiko dengan Menggunakan Metode Domino pada Rehabilitasi dan Renovasi Perpustakaan dan Laboratorium IAIN Ambon Febri Linda Keliola; Nelda Maelissa; Maslan Abdin
Journal Agregate Vol. 1 No. 1 (2022): September
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Construction work can cause Work Accident Risk, therefore the implementation of construction work is required to implement an occupational safety and health (K3) management system at the work site. However, the IAIN Ambon Library and Laboratory Rehabilitation and Renovation project was not implemented. So this study aims to obtain the Dominant Occupational Accident Risk, the causal factors and how to respond to these causal factors. The method used in this study is a semi-quantitative analysis method combined with the domino method. Semi Quantitative Analysis in the form of distributing questionnaires containing a scale of 'likelihood' and 'consequency' values and processed with SPSS, then analyzed with a Risk Matrix while the domino method is used to identify factors causing work accidents. The results obtained: 1. There are 8 Dominant risks (1) Workers are exposed to noise from iron cutting machines, (2) Workers' heads are exposed to wood impact during baking installation, (3) Workers' eyes are exposed to Splashing of Concrete Mixture, (4) Workers' breathing is disturbed due to ceramic cutting dust, (5) Workers are exposed to noise from ceramic cutting tools, (6) Workers' eyes are exposed to splashes from liquid paint, (7) Workers' breathing is disturbed due to ACP cutting dust, (8) Workers are exposed to noise from ACP cutting tools. 2. Factors causing work accidents (1)Lock of control/Management (2) Basic Cause of accident (3) Immediate cause/symptoms (4) Incident (5)Loss. 3.Response to factors causing work accidents, namely (1) Risk Reduction (2) Risk Transfer.
TINJAUAN PERHITUNGAN STRUKTUR ATAS PADA GEDUNG AUDITORIUM IAIN KOTA AMBON DENGAN METODE KEKUATAN BATAS Juan Filex Soselisa; Pieter Lourens Frans; Vector. R. R. Hutubessy
Journal Agregate Vol. 1 No. 1 (2022): September
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Abstract

Construction of Ambon City IAIN Auditorium Building became the object of research because problems that occurred the building, namely upper structure, especially stands with different elevation height structures. Based on data obtained, image data including floor plans, visible drawings, section drawings, and structural drawings, beam and column reinforcement details to calculate dimensions structural components originating the project. Then Boundary Strength Method determined using etabs V18.0.2 software aimed analyzing insecurity structure. Overview of Upper Structure Calculations at Ambon City IAIN Auditorium Building, using limit strength method. The results obtained from this method are to obtain stress value that linearly proportional to strain until yield stress is reached, to produce ideal structure, produce dimensions and reinforcement structures in stands. The idealization superstructure structure results in moment-bearing frame structure that meets capacity requirements and able to carry the loads acting on structure. Dimensions and Reinforcement Structures obtained Column Dimensions 50 x 50 cm with the Number of Reinforcements 12-D25, While Beams obtained Dimensions of 30 x 50 cm with the Number Reinforcements in Support Section obtained 12-D19, in Field Section 8-D19 obtained, then compared with existing structure Dimensions of Column 1 (70 x 70 cm) with Total Reinforcement 16-D25, column 2 (110 x 70 cm) with total reinforcement 22-D25, for Beams obtained Dimensions of 40 x 60 cm with Total Reinforcement at Support Section obtained 8-D22 , in Field Section 6-D22 is obtained. From results of review and existing results is stated that smaller dimensions and reinforcement are able to withstand working load. Keywords: Overview of Superstructure, Columns and Beams, Boundary Strength
ANALISA PERCEPATAN PROYEK DENGAN METODE CRASHING PROGRAM PADA PROYEK PEMBANGUNAN GEDUNG AUDITORIUM IAIN KOTA AMBON (Studi Kasus : Pembangunan Gedung Auditorium IAIN Kota Ambon) Rialyantha Matahelumual; Octovianus Jamlaay; Tonny Sahusilawane
Journal Agregate Vol. 1 No. 1 (2022): September
Publisher : Jurusan Teknik Sipil

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Abstract

The schedule of a project is a very principal aspect in project management because it is arranged to achieve the time target of project completion and to avoid delays in the project. IAIN Ambon Auditorium Building Construction Project experienced delays in Sloof work, so it should be accelerated. By using crashing method, it can be seen how far the project duration can be accelerated with minimum additional costs. The Crashing Method determine which jobs are included in the critical path. It can be seen the crash cost of each activity on the critical path, the crash cost of each activity on the critical path, the normal total cost and the total cost after the program crash. From the data analysis result, a critical trajectory was obtained on the work of the SMK3K, Structural Work (Sloof), Work (Wall, Plasteran and Painting), Lighting and Installation Work, AC Work and Mechanical Ventilation, Fire Extinguisher Work (R. Pump Per. Main Fire Fighting, Fire Hydrant Fire Fighting) and Parking Jobs. Costs after acceleration are IDR 26,548,098,287.58 or decrease by 0.15% with an acceleration time of 126 days. The impact caused by the addition of 2 hours of overtime with a difference in costs of IDR 11,278,287.44 or an increase of 0.09% from the initial cost. When crashing the duration of the project is reduced by 9 days, which was originally 135 working days to 126 working days. Keywords: Project Scheduling, Critical Path, Crashing Program
ANALISIS CAMPURAN KERJA (JMD) DARI RANCANGAN CAMPURAN ASPAL AC-WC PADA REKONSTRUKSI RUAS JALAN TANIWEL SALEMAN Lakam Laitupa; Vera.Th.C. Siahaya; David D.M. Huwae
Journal Agregate Vol. 1 No. 1 (2022): September
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Abstract

As explained earlier that JMD is required in a process of certifying the feasibility of certain asphalt works, this is influenced by the quality of the asphalt. In the Taniwel-Saleman asphalt preservation work, strong asphalt is needed so that it is resistant to weather and vehicles that pass through it, durability and the price set to create the mixture, as well as to evaluate the Marshall properties of the AC-WC Asphalt Mixture implemented, and to determine the suitability of the marshall properties. AC-WC mixture based on the 2018 Bina Marga specifications. The analysis method uses the AASHTO method and the Bina Marga method. Where the AASHTO method is used to calculate the Hot Mix Design of Marshall manufacture and the Highways method is used to determine the suitability of Marshall properties. From the characteristic values generated in the Marshall test according to the new specifications and from the analysis results, the characteristic values that meet the requirements for VMA, VFA, VIM, Stability Test, flow MQ, then determined the optimum asphalt content of 6.0%. From the test evaluation results that all Marshall characteristics, both in the combined gradation in the laboratory and the combined gradation in the Hot Bin AMP, not all of them meet the requirements according to the AC-WC specification which only meets the optimum asphalt content for the combined gradation in the Hot Bin AMP.Keywords: Asphalt (AC – WC), Marshall Test

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