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Rohani
Jurusan Teknik Sipil Fakultas Teknik Universitas Mataram
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Pengenalan Cara Kerja Irigasi Sistem Tetes Pada Masyarakat Kelompok Tani Di Desa Segala Anyar Kabupaten Lombok Tengah I Dewa Gede Jaya Negara; Anid Supriyadi; Lalu Wirahman Wiradarma; Agustono Setiawan; Hasyim; I Dewa Made Alit Karyawan; Humairo Saidah; Rohani; Suparjo; Atas Pracoyo; Salehudin; Miko Eniarti
Jurnal Pengabdian Magister Pendidikan IPA Vol 7 No 3 (2024): Juli - September
Publisher : Universitas Mataram

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29303/jpmpi.v7i3.9146

Abstract

Masyarakat Desa Segala Anyar merupakan masyarakat yang berada di perbukitan sebelah selatan Pelabuhan Lembar, dengan kondisi medan berlereng. Sebagian besar Masyarakat memiliki lahan pekarangan dan kebun walaupun tidak begitu luas dengan kondisi berterasering. Sumber air Masyarakat berasal dari Sumur bor di lahan pribadi. Memperhatikan potensi lahan usahatani warga dengan kondisi rata-rata datar dan musim kemarau kesulitan akan air irigasi, maka perlu diberikan pengetahuan bagaimana caranya memanfaatkan air terbatas untuk usahatani dengan sistem irigasi yang efisien seperti dengan pemanfaatan irigasi tetes. Masyarakat perlu diberi pengenalan cara irigasi tetes memberikan air pada tanaman dengan media tanam polybag yang sederhana , sehingga nantinya dapat dipilih sebagai alteratif dalam mendukung usahatani di musim kemarau pada sawah tadah hujan yang ada. Pengabdian ini bertujuan untuk memberikan pengenalan cara irigasi yang efisien dengan sistem tetes sehingga dapat mendukung kegiatan pertanian masyarakat sawah tadah hujan di desa Segala Anyar dan mendukung penyediaan bahan pangan kebutuhan KEK Mandalika. Tahapan pengabdian dilakukan terdiri dari survey lokasi, tinjauan lahan pertanian, pengenalan irigasi tetes, diskusi dan tanya jawab serta evaluasi. Pengabdian ini telah berhasil memberi pengetahuan penggunaan irigasi tetes pada 15 kelompok tani di Desa Segala Anyar, penyuluhan telah memberi wawasan dan pengenalan cara irigasi tetes memberikan air pada titik tanaman pada peserta. Dengan demikian diharapkan Masyarakat nantinya dapat memilih sistem irigasi yang mungkin dipilih disesuaikan dengan potensi sumber air yang tersedia.
EVALUASI CYCLE TIME TERHADAP KONDISI MEDAN PADA PROYEK PEMBANGUNAN AKSES JALAN SAMOTA LANJUTAN KABUPATEN SUMBAWA HASYIM HASYIM; ROHANI ROHANI
GANEC SWARA Vol 18, No 4 (2024): Desember 2024
Publisher : Universitas Mahasaraswati K. Mataram

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35327/gara.v18i4.1181

Abstract

The Samota Road access development project continued in Sumbawa Regency is one part of the Samota area development project which acts as access to mobilization and supports the acceleration of development, economy, social and culture. In large-scale road works, heavy equipment is needed to facilitate work in a relatively shorter time. Errors in the operating time of heavy equipment and differences in the work field will affect cycle time and have an impact on productivity. This study aims to determine the amount of heavy equipment cycle time, heavy equipment productivity, and the effect of cycle time on heavy equipment productivity. The methods used in this research are time study and correlation methods. The time study method is a measurement of work by collecting data based on the time needed to complete a job so that productivity can be calculated, while the correlation method is an analysis to determine the level of relationship between the independent variable (X) and the dependent variable (Y).Based on data analysis, the value of cycle time, productivity and the effect of cycle time on heavy equipment productivity were obtained. In segment 1, the cycle time of the motor grader is 303,247 seconds with a productivity of 916,037 m2/hour and the cycle time of the vibratory roller is 612,345 seconds with a productivity of 1061,400 m3/hour. For the effect of cycle time on the productivity of the motor grader, the correlation test result is 0,986 and the vibratory roller is 0,999. In segment 4, the motor grader cycle time is 316,107 seconds with a productivity of 831,112 m2/ hour and the vibratory roller cycle time is 655,370 seconds with a productivity of 988,200 m3/hour. For the effect of cycle time on motor grader productivity, the correlation test results were obtained at 0,975 and vibratory roller at 0,999. In both segments, there is a very strong influence and relationship between variable X (cycle time) and variable Y (productivity).
ANALISIS BIAYA OPERASIONAL KENDARAAN BERDASARKAN KECEPATAN RATA-RATA PERJALANAN DI JALAN MAJAPAHIT KOTA MATARAM HASYIM HASYIM; ROHANI ROHANI
GANEC SWARA Vol 18, No 3 (2024): September 2024
Publisher : Universitas Mahasaraswati K. Mataram

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35327/gara.v18i3.1022

Abstract

The city of Mataram, the center of trade, offices, and education, experienced an increase in population and vehicles. The 2023 data recorded 441.147 thousand residents and 385,579 motor vehicles. The increase in traffic volume on road Majapahit has an impact on traffic performance and vehicle operating costs. The study entitled " Analysis Of Vehicle Operational Costs Based On Average Travel Speed On Jalan Majapahit Mataram City" was conducted to further understand the condition of road section performance and the Operating Cost of Vehicles passing through the road. The MKJI method is a calculation standard used to analyze the performance of road sections, assess capacity and service levels, based on traffic volume and road geometry. while to calculate BOK (Vehicle Operating Costs) used an equation method developed by the PCI 1989 method to measure vehicle costs, including fixed costs and non-fixed costs, which are influenced by the average speed of travel. The results of the study on the Majapahit road section show the service level of the Majapahit road section in category C. For the calculation of the free flow speed, namely 52.68 km / h (east) and 49.10 km / h (west). The speed of the eastbound peak clock is 48 km/h and the westward is 42 km/h. While the calculation results of BOK Group I (Eastward) Free Flow Speed Rp1.049,- / km, Peak Hour Speed Rp1.082,- /km. Group I (West) Free Flow Speed Rp1.072,- /km, Peak Hour Speed Rp1.163,- /km. Group IIA (Eastward) Peak Hour Speed Rp2.921,- /km, Peak Hour Speed Rp3.007,- /km. Group IIA (Westward) Free Flow Speed Rp2.980,- /km, Peak hour speed Rp3.235,- /km
PENENTUAN BLACK SPOT PADA RUAS JALAN DENGAN METODE UPPER CONTROL LIMIT (UCL) DI KOTA MATARAM ROHANI ROHANI; HASYIM HASYIM
GANEC SWARA Vol 18, No 4 (2024): Desember 2024
Publisher : Universitas Mahasaraswati K. Mataram

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35327/gara.v18i4.1190

Abstract

Traffic accidents in Mataram City increase every year. Over the last 4 years, Mataram City Police data shows that traffic accidents, one of the transportation problems, have increased quite significantly. To overcome this transportation problem, efforts are needed to reduce/minimize the number of accidents and one way that can be done is by determining areas prone to traffic accidents (black spots) in Mataram City so that transportation safety can be improved. Data from the Mataram City Police in the form of accident data is needed to determine areas prone to traffic accidents (Black spot). Next, the data was analyzed using the Accident Equivalent Number (AEK) parameters and the Upper Control Limit (UCL) method so that black spots could be arranged in Mataram City. The analysis results show that the accident-prone sections (black spots) in Mataram City are the Jln. Sriwijaya, Jalan Pejanggik, Jalan Sandubaya, Jln. Dr. Sudjono, Jalan Adi Sucipto, Jln. Catur Warga, and Jln. Ahmad Yani. Based on the type of accident, the highest was single hit (74%) and front-side crash (73%), the weather when the accident occurred was highest in sunny conditions (98%) at night, and the most people who had accidents were men. amounting to 74%, while the age range of 16-30 years is most often involved in accidents.
EVALUASI NILAI EMP MKJI 1997 MENGGUNAKAN METODE TIME HEADWAY PADA SIMPANG EMPAT BERSINYAL KOTA MATARAM (STUDI KASUS DI SIMPANG JL. PANCA USAHA – JL. BUNG HATTA DAN SIMPANG DI JL. DR. SUJONO – JL. TGH LOPAN KOTA MATARAM) HASYIM HASYIM; ROHANI ROHANI; MAYA NURFADILLAH
GANEC SWARA Vol 18, No 2 (2024): Juni 2024
Publisher : Universitas Mahasaraswati K. Mataram

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35327/gara.v18i2.877

Abstract

Traffic flow consists from various types of vehicles, and it requires a conversion value to represent the traffic flow more accurately in terms of the standard vehicle type, namely passenger cars, commonly referred to as Passenger Car Units (PCU). The conversion factor from different types of vehicles to passenger cars is called Passenger Car Equivalence (PCE). In calculating road capacity in Indonesia, the PCE value used refers to Manual Kapasitas Jalan Indonesia (MKJI) 1997.In this study, a method called the time headway method is used to determine the Passenger Car Equivalence (PCE) value. This method involves recording the convoy of vehicle pairs per green time. The time headway value is obtained from the time difference between two vehicles passing a reference line, which is the stop line, calculated from the front bumper of the preceding vehicle to the front bumper of the following vehicle.Based on the research results, the PCE value using the Time Headway method for motorcycles (MC) at a three-phase intersection located at the signalized intersection of Panca Usaha Street - Bung Hatta Street is 0.57. Meanwhile, at a four-phase intersection located at the signalized intersection of Dr. Sujono Street - TGH Lopan Street, the PCE values for motorcycles (MC) and heavy vehicles (HV) are 0.34 and 2.23, respectively. There are differences in PCE values between MKJI 1997 and the results of the Time Headway method calculation for protected-type signalized intersections, which are 0.2 for motorcycles (MC) and 1.3 for heavy vehicles (HV). These differences occur due to changes in field conditions, such as an increase in the number of vehicles in the intersection arms and changes in green time at intersections
ANALISIS PROBABILITAS PEMILIHAN MODA PUBLIC BOAT DAN FAST BOAT RUTE PENYEBERANGAN BANGSAL – GILI INDAH ROHANI ROHANI; HASYIM HASYIM
GANEC SWARA Vol 18, No 3 (2024): September 2024
Publisher : Universitas Mahasaraswati K. Mataram

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35327/gara.v18i3.1024

Abstract

The most popular modes of transportation on the crossing from Bangsal Harbor to Gili Indah are public boats and fast boats. The respective advantages and disadvantages of these two modes are that fast boats excel in fast travel times, while public boats excel in cheaper travel costs. The aim of this research is to obtain factors that influence passengers' decisions in choosing a mode, to find out user characteristics and to obtain the probability that passengers choose public boats and fast boats.Data was obtained from the results of a questionnaire using the stated preference method which offers 7 change scenarios and related choices such as cost (X1), travel time (X2), and waiting time (X3) regarding the choice of public boat and fast boat modes (Y). The results of the choices of public boat and fast boat users will be known through the proportion of public interest in each scenario. Factors that influence mode choice can be identified using multiple linear regression analysis. Then a binary logit analysis of the difference is carried out to obtain the probability of mode choice. The research results show that the utility function equation is Y = -0.3864 – 0.04299X1 – 0.06177X2 – 0.02577X3. Factors that influence passengers' decisions in choosing public and fast boats are cost (X1), travel time (X2), and waiting time (X3). Using the binary logit difference method, the probability of choosing the mode for the Bangsal-Gili Indah crossing route is public boat 79% and fast boat 21%.
ANALISIS PENENTUAN LOKASI RAWAN KECELAKAAN LALU LINTAS DENGAN METODE BATAS KONTROL ATAS (BKA) BERBASIS GEOGRAPHIC INFORMATION SYSTEM (GIS) DI KABUPATEN LOMBOK TENGAH ROHANI ROHANI; HASYIM HASYIM; ZIYAD PIRJATURROFI
GANEC SWARA Vol 18, No 2 (2024): Juni 2024
Publisher : Universitas Mahasaraswati K. Mataram

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35327/gara.v18i2.885

Abstract

Traffic accidents are events that often occur in everyday life and cause fatalities. Of course, every road user wants to avoid these accidents, but sometimes these traffic accidents occur due to poor road infrastructure or negligence of the road users themselves. Data from traffic accidents at the Central Lombok District Police, information was obtained that over the last 5 years there has been an increase in the number of traffic accidents.This research was conducted to determine accident-prone locations and prepare a Geographic Information System-based database. From the data from the Central Lombok Police, in the form of accident data for the last 5 years, it was analyzed using a weighting method with the Accident Equivalent Number parameters and the Upper Control Limit method so that a Geographic Information System-based accident-prone location database program was compiled in Central Lombok Regency.The results of the analysis and database preparation showed that accident-prone locations in Central Lombok Regency are located on the BIL Bypass road, Praya-Mantang Highway and Mataram-Sikur Highway, which are dominated by the front-on collision type with the highest age of accident victims aged 16-30. years with 66.4% male and 33.6% female. The highest number of accidents occurs in the morning and the highest in sunny weather at 95.5%. By determining the location of these accident-prone areas, it is hoped that this can provide information in decision making for policy holders to reduce the number of accidents in Central Lombok Regency.
Co-Authors Agustono Setiawan Anid Supriyadi Aryani Rofaida Atas Pracoyo Bayu Handika Desi Widianty Desi Widianty Didi Supriadi A Didi Supriadi Agustawijaya Efa Arina Undiyatami Ery Setiawan Guruhsetra T., R., H Hartana HARTANA HARTANA Hasyim, Hasyim Humairo Saidah Humairoh Saidah I Dewa Gede Jaya Negara I Dewa Gede Jaya Negara I GDE PUTU WARKA I Gde Putu Warka I Gede Putu Warka I Wayan Suteja I Wayan Suteja I Wayan Suteja Ida Ayu Oka Suwati Sideman IKA FEBRIANA PUTRI JUNIATI HAPSAH Jurnal Pepadu Karnan Karnan Karyawan, I Dewa Made Alit Lalu Adi Permadi Lalu Wirahman Lalu Wirahman Wiradarma Made Mahendra MADE MAHENDRA Made Mahendra Made Mahendra MAYA NURFADILLAH Miko Eniarti Mohammad Liwa Ilhamdi Muh. Ricki Saprollah MUHAMAD DILAN HIDAYTULLAH Muhammad Ismail N. Nurchayati Ngudiyono Ratna Yuniarti ROHANI ROHANI Rohani Rohani Salehudin Salehudin Salehudin Salehudin Salehudin Salehudin Shofia Rawiana Suparjo Suparjo SURYAWAN MURTIADI Suryawan Murtiadi Tri Rachmanto Tri Sulistiyowati Widya Wahyuningsih Yogie Prakasa ZIYAD PIRJATURROFI