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Civilla : Jurnal Teknik Sipil Universitas Islam Lamongan
Published by Universitas Islam Lamongan
ISSN : 25032399     EISSN : 26207222     DOI : https://doi.org/10.30736/cvl
Core Subject :
Jurnal Penelitian Teknik Sipil UNISLA (ISSN2503-2399) adalah jurnal ilmiah yang bertujuan untuk mengkomunikasikan hasil dan riset teknologi dalam rangka untuk pengembangan teknologi di bidang teknik sipil. Sasaran pembaca adalah para ilmuwan, akademis, serta praktisi dari bidang teknik sipil sebagai berikut: Rekayasa Struktural, Teknik Geotek, Rekayasa Sumberdaya Hidrolik dan Air, Rekayasa Transportasi, dan Manajemen Konstruksi.
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Articles 10 Documents
 1 
Search results for , issue "Vol 9 No 2 (2024): SEPTEMBER" : 10 Documents clear
Study of the Role of Construction Companies on the K3 Management System as an Effort to Improve the Quality of the Company Nurjanah; Hangga Prima Setiawan; Bambang Hardadi; Iqbal Novarino
Civilla : Jurnal Teknik Sipil Universitas Islam Lamongan Vol 9 No 2 (2024): SEPTEMBER
Publisher : Program Studi Teknik Sipil, Fakultas Teknik, Universitas Islam Lamongan

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30736/cvl.v9i2.1168

Abstract

Measurement of construction companies can be declared good if implementing the Occupational Health and Safety Management System (OHSAS). Meanwhile, the most important element in the OHSAS implementation program is the company's policy on designing the construction work safety system or support from the Board of Directors for the implementing occupational safety design. This study aims to check the influence of the company's owner on the OHSA quality of the company. The survey was followed by distributing questionnaires to several construction company owners in Blitar for data collection. It was taken to determine whether this research is very influential or not at all regarding the importance of the company's owner's role regarding OHSA and the application of protective equipment to reduce work accidents on the quality and competitiveness of the company in the construction project auction in the construction project for private, local, and national governments. The results of the study showed superiors and directors of construction service companies whose roles and responsibilities have not been maximized in implementing the company’s occupational health and safety management system in Blitar. In this case, the implementation of OHSA by the company indirectly contributes to maintaining the quality of the services provided.
Study on the Optimization of Implementation Time for the Construction of the Baraka Sports Facility Center (APBD PEN) Kab. Enrekang South Sulawesi Fatmawaty Rachim; Mahyuddin; Fitriah; Erdawaty
Civilla : Jurnal Teknik Sipil Universitas Islam Lamongan Vol 9 No 2 (2024): SEPTEMBER
Publisher : Program Studi Teknik Sipil, Fakultas Teknik, Universitas Islam Lamongan

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30736/cvl.v9i2.1206

Abstract

In some projects, there are often delays in the completion of work, especially during construction work. To reduce the occurrence of cost overruns, it is necessary to optimize work time that is more carefully planned so that work delays can be avoided. In the field of construction engineering, the Microsoft Project application is used to manage plans or task times so that an ongoing project can be evaluated according to all stages of tasks in the project. The implementation of the Baraka Sports Facilities Center Development Project in June to July 2022 shows the time or duration of the planned implementation of the roof work for 37 calendar days and after analyzing the data using Microsoft Project, the optimization time is 32 calendar days. For 32 days, by increasing the number of workers, the following adjustments were made to improve efficiency: a. For SCH 20, 4” pipework, 3 welders and 3 additional workers were added; b. For batten work with CNP 150.50.20.2, 3 craftsmen and 3 additional workers were added; c. For bitumen asphalt roof covering work (CTI), 7 workers and 7 handymen were added; d. For bitumen asphalt work, 1 worker and 1 handyman were added.  
Study Planning of Check Dam Using Waste Tires at Sumbersari UB Forest Area Runi Asmaranto; Melvin Al Ishar; Anggara Wiyono Wit Saputra
Civilla : Jurnal Teknik Sipil Universitas Islam Lamongan Vol 9 No 2 (2024): SEPTEMBER
Publisher : Program Studi Teknik Sipil, Fakultas Teknik, Universitas Islam Lamongan

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30736/cvl.v9i2.1224

Abstract

A check dam is a construction solution to overcome various catchment area challenges, especially erosion and sedimentation control in the upstream region. The strategic implementation of this plan includes various methodologies such as topographic, geotechnical identification, hydrological analysis, sedimentation analysis, material specification, hydraulic analysis, stability analysis, storage capacity analysis, and budget plan development. The purpose of this research is to check dam planning using waste tires which includes sediment discharge, detailed dimensions of the building, and building safety, to the required cost budget plan by reviewing the aspects of environmentally friendly, low cost, and waste utilization by sustainable development goals. The type of sediment flow that occurs is debris flow with a sediment discharge rate of 25,939 m3/s, due to the flood discharge phenomenon with a significant 25-year return period is 10,580 m3/s. The safety number of the proposed check dam design using the calculation of forces acting and Plaxis 2D V20 software has exceeded the safety permit requirements with various conditions that may occur at the study site. In a single flood, this check dam can effectively mitigate for approximately 4 days. To implement this development plan, an estimated budget of IDR773.472.940 has been projected.
Effect of Gypsum Waste Stabilization in Clay Soil on California Bearing Ratio Value Muthia Anggraini; Yustinus Sitorus; Widya Apriani
Civilla : Jurnal Teknik Sipil Universitas Islam Lamongan Vol 9 No 2 (2024): SEPTEMBER
Publisher : Program Studi Teknik Sipil, Fakultas Teknik, Universitas Islam Lamongan

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30736/cvl.v9i2.1227

Abstract

The problem that occurs in road construction is the low CBR value of the subgrade. Advances in stabilization technology for soil improvement by mixing clay with a mixture of gypsum powder which has elements of the compound Calcium Oxide (Cao), Potassium (Ca), Water (H₂O), Hydrogen (H), and Sulfur (S), so it is necessary to conduct further research and testing in the laboratory with the aim of obtaining the California bearing ratio value on variations in gypsum powder mixing. The research method used is an experimental method in the laboratory with reference to the 2018 Bina Marga General Specifications. With mixing variations of 5%, 10%, 15% and 20% gypsum waste. The soil used in this research was taken from Jalan Badak area, Sail, Tenayan Raya sub-district, Pekanbaru City, Riau which was then tested in the laboratory by testing the specific gravity, soil density and california bearing ratio. The results of laboratory testing, it can be concluded that the addition of 5%, 10%, 15% and 20% gypsum has increased the CBR value, namely with a CBR value of 1.70% to 12.50%. The CBR value has met the Binamarga specification, 2018 which is 6%. So from the results of the equation obtained, it shows a positive relationship, namely the optimum moisture content (OMC) value increases with the increase in the California Bearing Ratio (CBR) value.
Analysis on the Performance of Passenger Terminal Services at I Gusti Ngurah Rai Airport, Bali I Gede Fery Surya Tapa; I Nyoman Indra Kumara; Dewa Ayu Trisna Adhiswari Wedagama; Decky Cipta Indrashwara
Civilla : Jurnal Teknik Sipil Universitas Islam Lamongan Vol 9 No 2 (2024): SEPTEMBER
Publisher : Program Studi Teknik Sipil, Fakultas Teknik, Universitas Islam Lamongan

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30736/cvl.v9i2.1239

Abstract

I Gusti Ngurah Rai International Airport is one of the busiest airports in Indonesia, due to the increasing number of air transportation service users. This research was conducted to determine the possibility of an increase in passengers every year for 20 years and provide alternative solutions that might be used at this airport if there are facilities that are no longer able to operate maximally. The method used in this research is an analysis of the average and linear trend using time series data from 2013 - 2022, then the method with the smallest standard deviation and the best correlation is chosen, namely the linear trend method. In conclusion, the increase in passengers based on the equation results reaches 3.249% and it causes some facilities to be no longer able to accommodate and operate optimally such as baggage claim devices, gate passport control, and arrival halls. Alternative applicable solutions must be found in these facilities, so that they can work optimally, such as expanding the number of tools and processing early on for gate passport control and generally providing solutions such as reconfiguring the terminal area, peak hour deployment, and technological innovation.
Development of Isohyet Map of Design Rainfall using Spatial Interpolation at Various Return Periods in Sadar Sub-Watershed Donny Harisuseno; Jadfan Sidqi Fidari; Syifa Nissa Aulia
Civilla : Jurnal Teknik Sipil Universitas Islam Lamongan Vol 9 No 2 (2024): SEPTEMBER
Publisher : Program Studi Teknik Sipil, Fakultas Teknik, Universitas Islam Lamongan

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30736/cvl.v9i2.1240

Abstract

The overflow of the Sadar River often causes flooding, which is detrimental to the community. Effective measures to address the flood problem require a good quality and quantity of rainfall data. This study aims to develop an isohyetal map of design rainfall for various return periods using the interpolation linear method. The design rainfall is computed using frequency analysis of Log Normal, Gumbel, and Log Person III distributions with return periods of 2, 5, 10, 25, 50, and 100 years. The isohyet map was produced using the Inverse Distance Weight (IDW) and spline interpolation methods. The map results are then evaluated against the design rainfall values obtained from the frequency analysis using the NSE and RSR parameters. The IDW and spline interpolation maps show an excellent level of fit. Furthermore, the isohyet map was compared with the design rainfall map issued by the Ministry of Public Works and Public Housing, which shows a level of fit of 49.693% for the IDW method and 33.194% for the spline method. The results confirmed that the IDW method is the most accurate to estimate isohyet map of design rainfall in the study area.
Risk Analysis of Occupational Safety and Health (K3) Using the HIRADC Method on Chiller Replacement Works: A Case Study Toni Yuri Prastowo; Rahmadika Luthfi Manaf Imsarif; Dedy Sanjaya; Nana Taryana
Civilla : Jurnal Teknik Sipil Universitas Islam Lamongan Vol 9 No 2 (2024): SEPTEMBER
Publisher : Program Studi Teknik Sipil, Fakultas Teknik, Universitas Islam Lamongan

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30736/cvl.v9i2.1266

Abstract

Occupational safety and health (K3) is an important aspect that must be considered in construction projects to prevent work accidents. This study aims to analyze potential risks and determine control measures using the Hazard Identification Risk Assessment and Determining Control (HIRADC) method on a chiller replacement work at a hotel renovation project in Jakarta, Indonesia. Potential hazards were identified through direct observation, worker interviews, and document review. Risk assessment was carried out by calculating the likelihood and severity scores to determine risk levels. Several control measures were implemented based on the risk hierarchy. A risk comparison before and after implementing controls showed a reduction in risk levels. Structural analysis using ETABS proved that the temporary reinforcement provided structural safety. The estimated cost of Rp. 250,456,350 met K3 budget provisions. This study demonstrates that risk analysis using HIRADC is effective in reducing risks and ensuring K3 aspects in construction works.
Capacity Analysis of Degrees of Saturation of Traffic Transportation (Signalized Intersection of Road Gajah Mada - Munginsidi And Railway Bojonegoro) Herta Novianto
Civilla : Jurnal Teknik Sipil Universitas Islam Lamongan Vol 9 No 2 (2024): SEPTEMBER
Publisher : Program Studi Teknik Sipil, Fakultas Teknik, Universitas Islam Lamongan

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30736/cvl.v9i2.1280

Abstract

Gajah Mada Road and Munginsidi Road in the Bojonegoro district are important roads for the local community. The existence of these various necessary facilities and means will have an impact on the relatively dense traffic volume. Based on the review of the study location and the results of the survey as well as the data collection and processing carried out, the following research results were obtained: The capacity of the Monginsidi Road section is 1,185.52 PCU/hour with a degree of saturation of 0.59, while on the Gajah Mada Road section the capacity of the section roads amounted to 2,836.78 PCU/hour with a degree of saturation of 0.79. Traffic flow performance is determined by the level of road service, the road service level is classified as level C with the description that the flow is stable, but vehicle speed and movement are controlled. On the Gajah Mada Road section, the road service level is classified as level D with the description that the flow is approaching unstable, speed can still be controlled, and Q/Can still be tolerated. To create effective and efficient conditions, namely the realization of orderly, smooth, and comfortable traffic flow, there must be a balance between facilities and facility users so that various traffic problems can be resolved as early as possible.
Evaluation of Alternative Traffic Engineering Management with the Use of Microscopic Simulation Software Vissim Setyadi Gunawan; Yogi Oktopianto; Tri Susila Hidayati
Civilla : Jurnal Teknik Sipil Universitas Islam Lamongan Vol 9 No 2 (2024): SEPTEMBER
Publisher : Program Studi Teknik Sipil, Fakultas Teknik, Universitas Islam Lamongan

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30736/cvl.v9i2.1288

Abstract

The population of Makassar City has grown by 30,965 people in the last year and represents an annual change of 1.89% from 2022. Road growth in Makassar City has only experienced growth of 0.8% - 2% per year, while vehicle growth has reached 15% - 16% per year. Congestion at unsignalized intersections of the A.P Pettarani which is the Central Business District area of Makassar City which has activities ranging from offices, economy and education. The study aims to analyze the performance and existing at the unsignalized intersection A.P Pettarani - Sultan Alauddin Makassar City as well as traffic engineering management with queue length and delay due to u-turn using VISSIM Software. The results of the existing show the current performance with a traffic delay of 30.4 seconds, a queue length of 225 meters with LOS D and traffic conflicts that crossing of 1749 and lane changes of 6264. After the alternative is implemented, the delay and queue time at the A.P Pettarani - Sultan Alauddin Intersection are significantly reduced. The delay time when the existing conditions are at 30.4 seconds drops to 16.61 seconds, the delay time at the intersection drops by 13.79 seconds or 45.36%. As well as a decrease in queue length in the existing condition of 225 m to 151 m with a decrease of 74 meters or 32.89%.
Channel Capacity Evaluation Model Using Storm Water Management Model Yang Ratri Savitri; Satria Damarnegara; Mahendra Andiek Maulana; Umboro Lasminto; Novi Andriany Teguh; Nastasia Festy Margini
Civilla : Jurnal Teknik Sipil Universitas Islam Lamongan Vol 9 No 2 (2024): SEPTEMBER
Publisher : Program Studi Teknik Sipil, Fakultas Teknik, Universitas Islam Lamongan

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30736/cvl.v9i2.1315

Abstract

Floods commonly occur in big cities with huge population densities. The increasing population number can cause a decrease in open land and green open space areas. It increases the surface runoff and induces inundation due to inadequate channel capacity. Therefore, a better design is required to minimize the inundation depth and area. This research aims to evaluate the drainage capacity of the channel dimension based on the flood discharge obtained from the rational method. The cross-section capacity was evaluated using the Storm Water Management Model by considering two types of rainfall distribution. The simulation result shows that the rainfall distribution influences the channel capacity. The flood discharge based on the Sri Harto distribution has a lower peak discharge than the Tadashi Tanimoto distribution. The result shows the significant effect of rainfall distribution types on the water depth. Therefore, it is necessary to determine the rainfall distribution method that represents the watershed characteristics used to design the drainage system. 

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