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Moh Debby Rizani
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Jl. Sidodadi Timur No.24, Karangtempel, Kec. Semarang Tim., Kota Semarang, Jawa Tengah 50232
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Jurnal Teknik Sipil Giratory Upgris
Published by Universitas PGRI Semarang
ISSN : 26217864     EISSN : 27164969     DOI : https://doi.org/10.26877/goratory
Core Subject : Engineering,
Civil Engineering, Building, Construction & Architecture Transportation
Jurnal ini bertujuan untuk menyediakan platform bagi para ilmuwan dan akademisi di seluruh dunia untuk mempromosikan, berbagi, dan mendiskusikan berbagai masalah dan perkembangan baru di berbagai bidang teknik sipil
Arjuna Subject : Teknik (semua kategori) - Teknik Sipil dan Struktur
Articles 8 Documents
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Search results for , issue "Vol 5, No 2: Desember 2024" : 8 Documents clear
ANALISIS KOEFISIEN KEBUTUHAN MATERIAL DAN TENAGA DENGAN METODE ANALISIS BURGERLIJKE OPENBARE WERKEN (BOW) DAN METODE ANALISIS SNI 2008 TERHADAP EFISIENSI ALUR PENGADAAN MATERIAL DI PROYEK (Studi Kasus : Bangunan Tenant-150, Project Awann Costa POJ, Semarang) Octaviana, Luthfia Dea; Permata Suwandi, Putri Anggi; Rizani, Mohammad Debby
Jurnal Teknik Sipil Giratory UPGRIS Vol 5, No 2: Desember 2024
Publisher : Universitas PGRI Semarang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.26877/giratory.v5i2.21970

Abstract

The development of construction planning, especially in the construction of building structures, calculates unit prices using a tool called Construction Cost Analysis (ABK), where until now the method often used by contractors and consultants is the BOW (Burgerlijke Openbare Werken) guideline. However, as time went by, it was realized that the BOW guidelines were only segmentally suitable for projects in the form of labor-intensive work that utilized conventional equipment and less professional workforce, which resulted in very expensive planning costs if this approach was still used purely. The 2008 Indonesian National Standard (SNI) analysis method is an update of the 1921 BOW (Burgerlijke Openbare Werken) analysis during the Dutch government, in other words, the SNI analysis is an updated BOW analysis. This SNI analysis was issued by the Center for Settlement Research and Development. The cost preparation system using SNI analysis is almost the same as the calculation system using BOW analysis. The basic principle of the SNI method is that a list of coefficients for materials and labor costs has been determined to analyze the price or costs required to make a unit price for building work. From these two coefficients we will get a calculation of the materials needed and a calculation of the wages of those doing the work. The comparative composition and arrangement of materials and labor for one job has been determined, which is then multiplied by the price of materials and wages prevailing in the market.
STRATEGI MANAJEMEN RESIKO PADA PROYEK PENGENDALIAN BANJIR DAN ROB SUNGAI LOJI – BANGER PAKET 1 Perwiranegara, Alamsyah Fatih; Wibowo, Kartono; Mudiyono, Rachmat
Jurnal Teknik Sipil Giratory UPGRIS Vol 5, No 2: Desember 2024
Publisher : Universitas PGRI Semarang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.26877/giratory.v5i2.21968

Abstract

Risk management in the form of initial mitigation by considering internal and external factors and issues will be able to narrow the gap in making predictions and strategies to accelerate the completion time of work until it is completely completed. The Loji-Banger River Flood and Robo Control Project Package 1 is one of the government's strategic projects which aims to overcome tidal floods on the north coast of Pekalongan City. Risk assessment is carried out in several stages from risk identification to mitigation suggestions to reduce the scale of risk from inherent risk to residual risk which shows that of the 35 variables assessed, all risk factors have decreased on the risk scale, however there are several risk factors that are of particular concern. because the residual risk is still at a moderate level, so very tight controls or control are needed because it could potentially cause a gap in the work acceleration target time, including possible risks due to delays in material delivery (X2), possible risks due to some of the work land not being free (X11 ), possible risks due to the DIPA Budget Refocusing Issue, its influence on cash flow (X18), possible risks due to the influence of the company's financial condition on the project action plan (X19), possible risks due to errors in preparing work sequences or work zoning (X27).
ANALISIS KEBUTUHAN DAN KETERSEDIAAN AIR BERSIH DI KECAMATAN KLEGO KABUPATEN BOYOLALI Leksana, Rudi; Rizani, Mohammad Debby; Ikhwanudin, ikhwanudin; Aksin, Nur
Jurnal Teknik Sipil Giratory UPGRIS Vol 5, No 2: Desember 2024
Publisher : Universitas PGRI Semarang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.26877/giratory.v5i2.21963

Abstract

Clean water is one of important needs for human in their daily life. According to Central Statistic Department of Boyolali in 2018 TO 2021, the population of society in Klego District increased in 2022. It caused the clean water needs also increased. The services of infrastructure and clean water availability was not maximal yet causes the society must to look for the alternative sources of clean water to fulfill their clean water needs. The purposes of this research are to know the water needs and water ability and to know the reservoir capacity to be accomodate of the clean water. This research contains aboot the water needs and availability in Klego, Boyolali District. The researcher start the research by secondary data collection such as population data, the customer data, source capacity data and clean water production discharge data. In the calculation of society population, the researcher used population data in last 5 years with calculation prediction until 2032. To calculate the data, the researchers used Geometry method, Arithmetic method, and Linier Regression method. Then from the calculation, the researcher choose Arithmethic method because it have the smaller values. According to the calculation of the data by using Arithmetic method, so it is obtained the number of clean water needs, there is 66,69 liter/second in 2032 from the calculation of society population data, beside that, the clean water needs, there is 0,67 liter/second in 2032 from PDAM’s customer calculation. The clean water availability, there are 10 liter/second for source capacity and 1,9 liter/second for the production discharge in 2031. Then, the reservoir capacity is 15, 482 m3.
IDENTIFIKASI RISIKO DAN PERMASALAHAN PADA PEMBANGUNAN JEMBATAN KERETA API ELEVETED TRACK SIMPANG JOGLO Puspitasari, Nikmatul Rochmy; Wibowo, Kartono; Mudiyono, Rachmat
Jurnal Teknik Sipil Giratory UPGRIS Vol 5, No 2: Desember 2024
Publisher : Universitas PGRI Semarang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.26877/giratory.v5i2.21969

Abstract

The construction of the Simpang Joglo Elevated Track Bridge is an iconic development in the city of Surakarta with the Elevated Railway Bridge which was built over seven very busy intersections. At this intersection, traffic jams often occur when trains pass, for this reason an elevated track railway bridge was built to reduce this congestion. The implementation of development is not free from risks that occur both internally and externally. This research aims to identify the risks and problems that occur in the construction of the Simpang Joglo Elevated Track Bridge. After identification, an assessment will be carried out on the level of risk that has been identified in the construction of the elevated track bridge at Joglo intersection. Data collection was divided into two, namely primary data collection through distributing questionnaires and interviews on the Simpang Joglo Elevated Track Bridge Construction Project which was conducted with project owners, consultants and contractors and secondary data collection through previous research and data from the Simpang Joglo Elevated Track Bridge Construction Project. Risk identification is carried out using the Risk Breakdown Structure (RBS) method and probability impact grid to determine the level of risk. After obtaining the data, a feasibility test will be carried out on respondents and then a validity and reliability test will be carried out for the three stakeholders. Risk identification is carried out by calculating the probability and impact for each variable and then clarifying the ranking using the Extremely Ineffective, Ineffective, Moderately Ineffective, Very Effective and Extremely Effective rating scale. After that, the risk level is classified using a probability-impact matrix. From the results of the risk level classification, it was found that there were 31 risk variables in the high category from the owner, 31 risk variables according to the consultant and 19 risk variables according to the contractor. Determining the high category of risk is based on combining the same variables from the three stakeholders to obtain 18 risk variables. These variables are problems that occur and influence the implementation of the Simpang Joglo Elevated Track Bridge Construction Project. These problems include increased vibration, traffic flow, road damage, K3 environmental sanitation, community attitudes and perceptions, organizational structure, payments, owner finances, overtime, time and cost estimates, changes in design, heavy equipment and materials
REDESIGN JEMBATAN SUNUT KABUPATEN SEMARANG MENGGUNAKAN STRUKTUR PELENGKUNG TIPE A- HALF THROUGH ARCH BRIDGE Rahmasari, Maria Asysyifa; Praptiningrum, Retno Dwi; Budirahardjo, Slamet; Rizani, Mohammad Debby
Jurnal Teknik Sipil Giratory UPGRIS Vol 5, No 2: Desember 2024
Publisher : Universitas PGRI Semarang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.26877/giratory.v5i2.21964

Abstract

The Sunut Bridge is a bridge that crosses the Jragung River which connects Semarang Regency and Demak Regency. The initial planning for the Sunut Bridge used a prestressed concrete structure with a total length of the main bridge of 60 meters. This bridge is divided into 4 parts. From the author's assessment, the use of prestressed concrete structures with many pillars is considered to cause design waste and give the impression of stiffness to the bridge. Apart from that, seeing that the condition of the river during floods often brings flooding, thereby reducing the effective linear waterway of the river, a bridge construction was re-planned with minimal pillars using an arch structure. In this planning, the Sunut Bridge was re-planned to use a steel arch structure type A Half Through Arch Bridge. From the planning results, the vechile floor plat tickness was 23 cm. The longitudinal girder profile used is WF 800x300x16x30 and the cross girder profile WF 900x300x16x28. The next stage of calculating the primary and secondary structures is carried out by calculating the working loads which refer to SNI 1725:2016 and RSNI T-02-2005 regulations to obtain a box prifile for the main structure of the arch bridge.
EFEKTIVITAS PELAYANAN BUS RAPID TRANSIT (BRT) TRANS SEMARANG (KORIDOR MANGKANG-PENGGARON) Ainun Nahar, Mukhamad Ilham; Assehab, Muhammad Ali; Husodo, Ibnu Toto; Rizani, Mohammad Debby
Jurnal Teknik Sipil Giratory UPGRIS Vol 5, No 2: Desember 2024
Publisher : Universitas PGRI Semarang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.26877/giratory.v5i2.21966

Abstract

Many people still use private vehicles, making BRT's function as a solution to overcome congestion not optimally realized. The aims of this study were: 1) to determine the supporting and inhibiting factors for the Trans Semarang Bus Rapid Transit (BRT) service (Mangkang-Penggaron Corridor); 2) determine the effectiveness of the Trans Semarang Bus Rapid Transit (BRT) service (Mangkang-Penggaron Corridor). This research uses a quantitative approach. Data collection techniques are observation, interviews, and documentation. Data analysis technique is descriptive statistics. The research results show that the supporting factors for the BRT Trans Semarang service are the dominant flat and wide roads, so that large buses can be used. The inhibiting factors in BRT Trans Semarang services are the absence of a special lane for BRT Trans Semarang, so waiting times and fleet intervals are still very dependent on existing traffic conditions. How to overcome the inhibiting factors in BRT Trans Semarang services, namely planning a special route for the Jrakah intersection to the Pedurungan intersection with a length of 12.8 km to improve service and reduce passenger waiting time, as well as improve fleet intervals. While the effectiveness of BRT Trans Semarang service corridor I Mangkang-Penggaron obtained a total average percentage value of 84% in the very good category. The results of the one sample t-test that have been carried out obtained a sig 2-tailed value of 0.000 0.05, indicating that Ho was rejected, so the average value of the effectiveness of the Trans Semarang Bus Rapid Transit (BRT) service corridor I Mangkang-Penggaron is not the same with 80. It can be concluded that the effectiveness of the Trans Semarang Bus Rapid Transit (BRT) service (Mangkang-Penggaron Corridor) has been running effectively.
OPTIMALISASI KINERJA TEKNIS PENGELOLAAN DAERAH IRIGASI SALURAN INDUK MADIUN KABUPATEN MADIUN Dewi Nusantara, Danayanti Azmi; Damayanti, Nada Devi
Jurnal Teknik Sipil Giratory UPGRIS Vol 5, No 2: Desember 2024
Publisher : Universitas PGRI Semarang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.26877/giratory.v5i2.21961

Abstract

Ulo Secondary Canal which has an irrigation area of 1,352 ha is one of the secondary canals in the Madiun Main Canal. Ulo Secondary Canal is supplied by three dams namely Semawur Dam, Jati Dam and Gondrok Dam which are located in Madiun Regency. The Madiun Main Canal Irrigation Area has been rehabilitated in 2019, and has been completed in 2022. The Madiun Main Irrigation Channel area is still in need of water. The methods used to calculate water requirements are Climatology Method, FJ. Mock Method, and Water Balance Method. From the calculation, it is known that the condition before rehabilitation, the value of water availability cannot fulfill agricultural water needs in the Ulo Secondary Canal area. In conditions before rehabilitation, the supply from Jati Dam is 18% with a value between 0.43 m3/s - 0.72 m3/s, coupled with water withdrawal at the Semawur Dam intake of 0.06 m3/s and water withdrawal at the Gondrok Dam intake of 0.07 m3/s. The existing water availability can only fulfill the needs of the cropping pattern of paddy (20%) - crops (40%) - crops (45%), with the smallest residual discharge value of 0.09 m3/s in April III. After rehabilitation, the supply value of Jati Dam is 15% with a value between 2.17 m3/s - 2.72 m3/s, with water withdrawal at the Semawur Dam intake of 0.06 m3/s and water withdrawal at the Gondrok Dam intake of 0.07 m3/s.The percentage value after rehabilitation is smaller than before rehabilitation but the value of water supply is bigger. Based on these conditions, several alternative cropping patterns are planned, such as Paddy (100%) - Crops (100%) - Crops (100%), Paddy (100%) - Paddy (100%) - Crops (100%) and Paddy (100%) - Paddy (100%) - Paddy (100%) with a profit amounting to IDR 6,415,515,780.00 in conditions before rehabilitation and after rehabilitation, on alternative III with a cropping pattern of paddy (100%) - paddy (100%) - paddy (100%) obtained the highest profit amounting to IDR 62,144,490,720.00.
ANALISA FAKTOR PENYEBAB KERUSAKAN RUAS JALAN JAKENAN – WINONG KABUPATEN PATI Hermawan, Matholiul Fatani; Rizani, Mohammad Debby; Yudaningrum, Farida
Jurnal Teknik Sipil Giratory UPGRIS Vol 5, No 2: Desember 2024
Publisher : Universitas PGRI Semarang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.26877/giratory.v5i2.21967

Abstract

Roads are a transportation infrastructure that plays a very important role in the economic, social, political, defense and security fields. With the increasing number of vehicles, it is possible that the road will be damaged in a relatively short time. The Jakenan-Winong route can be said to be an alternative route that connects the Rembang-Pati areas. Jalan Raya Jakenan - Winong is included in the provincial road and according to road class it is included in the primary collector road. The purpose of this study, among others, is to determine the type of damage to the road using the Bina Marga Method, to identify the factors that cause road damage, and to find solutions to minimize damage to the road segment. Methods of data collection by observation or direct observation. The results of this study are: the total area of road damage is 2041.78 m2 or 0.1982310%. Consists of several types of damage, the most dominant is collapse with a total damage area of 250 m2 or 2.4271844% and an overall crack of 50.8 m2 or 0.4932038%. Based on an analysis of the condition of the types of road damage on the Jakenan-Winong road section, among others: subsidence, longitudinal cracks, edge cracks, slip cracks, loose grain, peeling of the surface layer, holes, patches, pavement edge damage. Of the many types of damage that occurred, the most common types of damage were collapse and cracks that occurred on these roads. The road damage factors are caused by excessive vehicle weight, poor implementation, material quality, poor drainage system, rainfall, soil and natural factors which damaged the Jakenan-Winong road. Repair solutions or handling strategies are carried out with corrective and maintenance actions in accordance with the type and level of damage that occurs on the Jakenan-Winong road section, each type and level of road damage requires repair and maintenance according to the damage. Repairs are made to restore comfort and safety for road users.

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