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Analisis Debit Banjir Rancangan Sub DAS Air Bengkulu Menggunakan Analisis Frekuensi dan Metode Distribusi Gusta Gunawan Gunawan; Besperi Besperi; Liza Purnama
Jurnal Ilmiah Rekayasa Sipil Vol 17 No 1 (2020): April 2020
Publisher : Pusat Penelitian dan Pengembangan Masyarakat (P3M), Politeknik Negeri Padang

Abstract The Design discharge is the important data needed for design of the water infrastructure. The purpose of this study is to estimate the design discharge with a variety of times using a frequency analysis in the Air Bengkulu Sub-watershed. Rain fall data were obtained from the BMKG of Bengkulu province, its starting from 2009 to 2018 years. The design flood estimation method used a statistical method. It is using the distribution method. The initial stage of the research is to process rain data and then conduct frequency analysis. The mathematical equation for frequency analysis includes statistical equations to determine the average value, standard deviation, coefficient of variation, skewness coefficient and kurtosis coefficient. The method used in determining the type of distribution for frequency analysis in this study uses the Gumbel Type I distribution method, Pearson Log Type III, Normal, and Normal Log. Distribution fit test was performed with chi square test and Kalmogorof Smirnov test. The results of estimated design discharges for the 2 years return period, 5 years return period, 10 years return period, 25 years return period, 50 years return period and 100 years returns period in the Air Bengkulu down stream Sub-watershed are respectively 125.16 m3 / sec (2 years return period), 145.24 m3 / sec (5 years return period), 157.59 m3 / sec (10 years return period), 172.43 m3 / sec (25 years return period), 183.03 m3 / sec (50 years return period) and 193.34 m3 / sec (100 years return period). Keywords: watershed, Air Bengkulu, Design Discharge, Frequency Analysis, Distribution Analysis

Kajian Kondisi Jalur Pejalan Kaki di Dalam Kawasan Kampus Universitas Bengkulu Panji Anom Ramawangsa; Atik Prihatiningrum; Besperi Besperi
NALARs Vol 19, No 2 (2020): NALARs Volume 19 Nomor 2 Juli 2020
Publisher : Universitas Muhammadiyah Jakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24853/nalars.19.2.89-96

ABSTRAK. Berjalan kaki merupakan kegiatan yang esensial dalam menikmati suatu wilayah sekaligus moda transportasi yang alami dan tanpa emisi. Berdasarkan observasi awal peneliti, ditemukan pada kawasan Universitas Bengkulu tidak tersedia jalur pejalan kaki, jalur pejalan kaki yang terputus, serta jalur pejalan kaki yang tidak memenuhi standar. Sehingga untuk mewujudkan jalur pejalan kaki yang memenuhi standar dan mendorong aktivitas berjalan kaki di dalam kampus maka dibutuhkan jalur pejalan kaki yang sesuai standar dan walkable. Teknik pengumpulan data dan informasi primer pada penelitian ini meliputi teknik observasi dan kuesioner untuk mengkaji tingkat aktifitas pejalan kaki di kawasan kampus. Berdasarkan penilaian yang telah dilakukan, ditemukan bahwa pada segmen 1 merupakan area dengan kondisi jalur pedestrian yang telah tersedia sesuai standar dan berfungsi dengan baik dan pada segmen 2 merupakan area yang memiliki permasalahan jalur pejalan kaki yang tidak sesuai standar sehingga perlu beberapa solusi yang tepat untuk meningkatkan kondisi jalur pejalan kaki. Kata kunci: Kampus, Observasi, Jalur Pejalan Kaki ABSTRACT. Walking is an essential activity in enjoying an area as well as a mode of transportation that is natural and without emissions. Based on the researchers' preliminary observations, it was found that there were no pedestrian paths in the University of Bengkulu area, broken pedestrian paths, and pedestrian paths that did not meet standards. To realize pedestrian paths that meet the criteria and encourage walking activities on campus, pedestrian paths appropriate to the standard and walkable are needed. This study's primary data and information collection techniques include observation and questionnaire techniques to assess the level of pedestrian activity in the campus area. Based on the assessment that has been done, it was found that in segment 1 is an area with pedestrian track conditions that have been available according to the standard and functioning correctly. Segment 2 is an area with pedestrian path problems that are not following standards, so it needs some appropriate solutions to improve pedestrian path conditions. Keywords: Campus, Observation, Pedestrian Way

Sosialisasi Tanggap Darurat Dan Keselamatan Bagi Masyarakat Daerah Rawan Gempa Annisa Fitria Edriani; Lindung Zalbuin Mase; Besperi Besperi
Jurnal Pengabdian Masyarakat Vol 1 No 2 (2020): Jurnal Pengabdian Masyarakat
Publisher : LP2M Institut Teknologi dan Bisnis Asia Malang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.32815/jpm.v1i2.304

Melihat masifnya kerugian yang diderita manusia akibat gempa bumi, maka peningkatan kualitas infrastruktur semakin intensif dilakukan. Peningkatan tersebut dilakukan dengan penelitian-penelitian yang dilakukan demi meningkatkan ketahanannya terhadap gempa, seperti penemuan-penemuan material dan metode konstruksi alternatif. Gencarnya peningkatan ketahanan bangangun-bangunan ini, sayangnya kurang diimbangi dengan peningkatan pemahaman masyarakat terhadap bencana gempa bumi dan sikap tanggap dalam menghadapi bencana gempa bumi. Provinsi Bengkulu, sebagai wilayah yang mengalami gempa bumi perlu mempersiapkan warganya dengan pengetahuan dalam menghadapi gempa bumi. Kejadian gempa bumi pada tahun 2007 ternyata masih menimbulkan trauma bagi masyarakat Provinsi Bengkulu. Tim Pengabdian Pada Masyarakat Program Studi Teknik Sipil, Fakultas Teknik, Universitas Bengkulu, memilih SMA Negeri 1 Kabupaten Seluma dengan sasaran kegiatan ini adalah siswa, guru, dan pengguna gedung sekolah lainnya. Kegiatan ini diharapkan dapat meningkatkan kiprah tim pengabdian masyarakat dari Universitas Bengkulu di bidang mitigasi bencana serta meningkatkan pemahaman mengenai gempa bumi dan kesiapsiagaan masyarakat menghadapi gempa bumi.

PERENCANAAN TUBUH BENDUNGAN AIR PADANG GUCI KABUPATEN KAUR PROVINSI BENGKULU Bagus Prasetya; Besperi Besperi; Muhammad Fauzi
Inersia: Jurnal Teknik Sipil Vol 8, No 2 (2016)
Publisher : Universitas Bengkulu

Padang Guci Hulu Subdistrict has potential to meet the needs of sizeable water supply. It is supported by geographical location of Padang Guci Hulu Subdistrict which is in the tropical region where there are hight enough rainfall. However in general the problem arising in Padang Guci Hulu Subdistrict during dry season is the availability of raw water and irrigation water that very limited. The purpose of this research is to design a strong and safe dam body construction againts its stability control. Planning dam body uses design flood from synthetic hydrograph gamma I with a return period 1000 years of 224,66 meter3/second. This dam isplanned as high as 31,3 meter, with dam base elevation of + 405 meter, peak elevation + 436,30 meter, high surveillance 2,8 meter, the width of the dam crest 8,5 meter, upstream sloop 1 : 3, downstream sloop 1 : 2,25. The body design of the Air Padang Guci Dam has qualified for its stability control.

PERENCANAAN SUMUR RESAPAN AIR HUJAN UNTUK KONSERVASI AIR TANAH DI DAERAH PERMUKIMAN (STUDI KASUS DI PERUMAHAN RT. II, III, DAN IV PERUMNAS LINGKAR TIMUR BENGKULU) Kurnia Iriani; Agustin Gunawan; Besperi Besperi
Inersia: Jurnal Teknik Sipil Vol 5, No 1 (2013)
Publisher : Universitas Bengkulu

The increasing of development for supporting facilities in public life triggers transformation of land use and decreasing of open space for infiltration area. This causes surface flow (run-off) and some rainwater infiltrating into land. Therefore, it is necessary made a patch like the infiltration well which is used to patch and then infiltrate rainwater into soil slowly. The purpose of this research was to determine amount and construction of infiltration well. This research was executed in housing RT. II, III, and IV Lingkar Timur at Bengkulu City that hasnumber of house 153. This study used survey methods such as measuring,questionnaire/interviewing, and percolation test to obtain the required data. Based on the data and analysis of calculation according to SK SNI 03-2453-2002, was determined that for individual infiltration well, the form of infiltration well was circle with a diameter of 1 m and a depth of 3 m, while for communal infiltration well was circle with a diameter of 1.4 m and a depth of 3 m (by 92 pieces). The others alternative form for individual infiltration well was square with a width of 1.2 m and a depth of 1.5 m, while for communal infiltration well was square with a width of 1.4 m and a depth of 3 m (by 72 pieces). Construction of infiltration well according to Technical Instruction Applying Drainage Method with Environmental Concept In Residence Area (2002) was brick wall or red brick pair without plastered and among it given hole.

SUMUR RESAPAN AIR LIMBAH KAMAR MANDI UNTUK KESEIMBANGAN PERMUKAAN AIR TANAH DI DAERAH PERMUKIMAN (Studi Kasus Di Perumahan RT. II, RT. III, dan RT. IV Perumnas Lingkar Timur Bengkulu) Anggun Lia Anestri; Agustin Gunawan; Besperi Besperi
Inersia: Jurnal Teknik Sipil Vol 5, No 1 (2013)
Publisher : Universitas Bengkulu

omestic waste water from bathroom, that generally being a waste water, can be used to balance the ground water surface.Utilization of bathroom waste water is done by making the infiltration well. This study aimed to quantify the debit of resulted bathroom waste water and to design the bathroom waste water infiltration well. The experiment was conducted in Housing RT. II, RT. III, and RT. IV Permunas Lingkar Timur of Bengkulu that has number of house of153 units and number of inhabitant as much as 701 people. The research used survey methods such as questionnaires / interviews and percolation test to obtain the required data. Based on the data and analysis of calculation according to the Sunjoto method, concluded that the debit of bathroom waste water for RT. II, RT. III, and RT. IV was consecutive 3.38x10-5 m3/s, 9.688x10-5 m3/s, 0.0001558 m3/s. The number of produced infiltration well total 33 wells whichis 4 wells for RT. II, 5 wells for RT. III, and 24 wells for RT. IV. Each of infiltration well haddifferent dimensions in accordance with the need.

PENGARUH HUTAN BAKAU TERHADAP SEDIMENTASI Besperi Besperi
Inersia: Jurnal Teknik Sipil Vol 3, No 1 (2011)
Publisher : Universitas Bengkulu

The aim of this research is to contribute in engineering consideration especially to study the ability Rhizophora shrub to increase velocity of sedimentation. The research has done using phsycal modelling (prototype refer to Rhizophora aged 4 – 5 years old). Depht obtained by three time measuring with 10 minutes interval to obtain precision f measurement. Model has scale 1:10 base on facility.The result ofresearch shows that Rhizophora shrub can reduce velocity, the depth raise, and the velocity of sedimentation raise.

EVALUASI KINERJA SALURAN PRIMER DAN BANGUNAN SADAP UNTUK MENENTUKAN METODE PEMELIHARAAN DAERAH IRIGASI AIR NGALAM KABUPATEN SELUMA Fanny Dwiyulitasari Edwar; Muhammad Fauzi; Besperi Besperi
Inersia: Jurnal Teknik Sipil Vol 5, No 1 (2013)
Publisher : Universitas Bengkulu

This research was made to find out the performance of primary canal and tapping constructions, also inquire the maintenance that should be done and prioritized in order to maintain the irrigation. Research method was conducted through direct observation to find out water discharge and primary canal dimensions and tapping constructions, also to inventory all of damage components. Secondary data was about dimensions and canal discharge plan,rainfall data, and climatology. Climatology and rainfall calculation is used to calculate quantity of irrigation water needed. Then, this irrigation water will be used to calculate water discharge during farming season. Hydraulic calculation of primary canal and tapping construction was based on those water discharge value. Results of the research showed water discharge and dimension of primary canal and tapping constructionsat Air Ngalam can irrigate whole rice fields. Unfortunately, canal rifts and damage, and some of illegal tapping by farmersaround cause water distributing on each rice field unequal. In order to optimize Air Ngalam irrigation, it’s a must to make a sequence of action plans in highest priority, also maintenance works.

ANALISIS SEDIMENTASI PADA BANGUNAN JETTY MUARA SUNGAI KETAHUN, KABUPATEN BENGKULU UTARA Arief Fahmi; Muhammad Fauzi; Besperi Besperi
Inersia: Jurnal Teknik Sipil Vol 7, No 1 (2015)
Publisher : Universitas Bengkulu

Siltation due to sedimentation is one of the problems that occur in estuar of Ketahun River, Bengkulu Utara. The purpose of this study is to analyze the sedimentation particles and sediment discharge (bed load) at the mouth of Ketahun River. The location of this research is divided into three measurement points located on the downstream (facing the sea), the mouth of the river, and upstream (overlooking the river). The technique used to determine the sedimentation particle is by sieve analisis with various diameters (8,35 mm; 4,76 mm; 2,63 mm; 2,0 mm; 0,84 mm; 0,6 mm; 0,3 mm; 0,149 mm;, 0,074 mm). The percentage is calculated based on the weight of each sample with the results of sedimentation characteristic 0.3 mm smooth sand grains. To determine the basic sediment discharge (bet load) measurement is done directly in the mouth of the Ketahun River to get the river’s morphology and riverbed sediment samples. The samples were then examined in the laboratory, based on sieve analysis test to get the size of a grain diameter (D_35, D_50, D_60, D_90) and sediment specific gravity. The data obtained was then analyzed using empirical formulas-Peter Mayer and Einstein. From the analysis of sediment discharge at the river mouth to year basis obtained results: for method-Peter Mayer with Q_ukur = 2,596 x 10-6 m 3 / s and for the method of Einstein Q_ukur = 4,615 x 10-6 m 3 / sec. Results of the analysis shows that basic sediment discharge increases inline with the increasing river flow.

DESAIN SPESIAL MAINTENANCE (PEMELIHARAAN KHUSUS) SALURAN DAERAH IRIGASI WAY RILAU LAMPUNG SELATAN Besperi Besperi
Inersia: Jurnal Teknik Sipil Vol 4, No 1 (2012)
Publisher : Universitas Bengkulu

The maintenance works of irrigation network are needed to maintain irrigation infrastructure to be well functioned and operable. The canals shall be defected due to natural causes which would make the dimension to become nonstandard, hence the effort to maintain the canals to be well functioned is needed to be conducted by the government by means of special maintenance. Maintenance shall be categorized into 4 types of activity, i.e. continuous maintenance, periodic maintenance, emergency maintenance and annual maintenance. Canals handlings shall not be conducted physically only hence the effort to increase the efficiency by means of operational and maintenance activity and by means of maintenance and upgrading of skill and knowledge of the farmers as water resource users shall be conducted following the physical maintenance, hence the farmers could solve their problem considering water usage management independently. The research was conducted by means of site research. It was expected that by the research, the effort to repair the defected or unserviceable canals as it was expected shall be conducted by the government and the water resource users.

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