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Journal : Astonjadro

Evaluation of Kartini V Street Canal Capacity using HEC-RAS Imamuddin, Mohammad; Dewi, Firda Rachma
ASTONJADRO Vol. 14 No. 1 (2025): ASTONJADRO
Publisher : Universitas Ibn Khaldun Bogor

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.32832/astonjadro.v14i1.17268

Abstract

The Kartini V Street channel in Central Jakarta plays a vital role in directing the flow of water to the main channel on Kartini Raya Street through the Kartini Pump House, thus effectively addressing water pooling issues in the Kartini neighborhood area. Evaluation of the capacity of the Kartini V Street channel is carried out by comparing the planned rainfall discharge with the existing channel discharge. Hydrological analysis calculations for the planned discharge with a 5-year return period yield planned discharges of 0.0214 m3/second for channel A-B, 0.0068 m3/second for channel B-C, and 0.0226 m3/second for channel B-D. Meanwhile, calculations for the existing channel discharge result in 6.9756 m3/second for channel A-B, 9.3690 m3/second for channel B-C, and 12.0398 m3/second for channel B-D. The analysis indicates that the existing channel capacity is sufficient to accommodate the planned rainfall discharge.
PENGARUH PERUBAHAN DIMENSI TANGKI TERHADAP DESAIN PONDASI EKSISTING TANGKI REAKTOR PILOT PLANT BIOGAS POME Yarsono, Samidi; Imamuddin, Mohammad; Suwandi, Juda; TN, Lan Marrakup; Wulandari, Ika; Hanif, Basit Al; Septinia, Eva Nur; Giman, Giman
ASTONJADRO Vol. 9 No. 1 (2020): ASTONJADRO
Publisher : Universitas Ibn Khaldun Bogor

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.32832/astonjadro.v9i1.2823

Abstract

Kebutuhan energi terbarukan di Indonesia sangatlah penting, saat ini sumber energi terbarukan porsinya relatif kecil. BPPT ( Badan Pengkajian dan Penerapan Teknologi) dalam kegiatannya melakukan pembangunan pilot plant Biogas Pome setara 700 kW berkerjasama dengan PTPN V (PT. Perkebunan Nusantara V) dengan sistim tangki berpengaduk secara kontinu yang mana hasil gas tersebut dimanfaatkan sebagai bahan bakar boiler pabrik PMKS di sei pagar. Desain pondasi tangki reaktor dengan kapasitas 2000m3, telah dilakukan dengan menggunakan perhitungan fix head dengan diameter pile 60cm type B dengan jumlah 32 pile dengan kedalaman 12m dikerjakan tahun 2018. Diameter rencana tangki reactor direncanakan berukuran 16.8m dengan ketinggian 9m, dengan beban tangki sekitar 2174.2ton. Sedangkan sekarang terjadi perubahan desain tangki dengan diameter 14m dengan ketinggian 16.8, dimana tinggi pome di 16.1m, dimana beban tangki menjadi 2639.1 ton, dimana berdasarkan koreksi tersebut, analisa pile masih memenuhi sedangkan untuk puching shear perlu di lakukan pertebalan, dimana d' sebelumnya 70cm, sekarang dibuat pile cap 1.2 m dengan d' sebesar 80 cm , dengan tebal mat 60cm.
ANALYSIS OF DRAINAGE CHANNEL CAPACITY AT SINDANG STREET IN SINDANG HOUSE PUMP AREA Imamuddin, Mohammad; Cahyanto, Dwi
ASTONJADRO Vol. 9 No. 2 (2020): ASTONJADRO
Publisher : Universitas Ibn Khaldun Bogor

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.32832/astonjadro.v9i2.3387

Abstract

Sindang street, which is located in North Rawabadak Sub-district, Koja District, is one of the areas in North Jakarta Administrative City which is an area that is prone to flooding. Even though a working pump house is available, there are still puddles in several places. One of the problems that occur is the channel that drains water into the storage pool narrowing due to sedimentation in the channel. By analyzing the channel using the Log Pearson III distribution method using data obtained from the STA Tanjung Priok Rainfall Station, the rainfall intensity that occurs in a 5 year cycle is 170.748 mm, the Mononobe equation is used to find the intensity of rain per hour that occurs. Then it can be searched for the planned rain discharge using a Rational Method so that it is known that there are 2 channels, namely (P and Q) unable to accommodate the rainfall that occurs.
ANALYSIS OF RESIDENTIAL RESERVOIR CAPACITY AT THE MUTIARA PURI HARMONI 2 CIKARANG Imamuddin, Mohammad; Prasetyo, Adi Tathak Wahyu
ASTONJADRO Vol. 10 No. 1 (2021): ASTONJADRO
Publisher : Universitas Ibn Khaldun Bogor

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.32832/astonjadro.v10i1.3388

Abstract

Cikarang is one of the areas in the administrative city of Bekasi Regency, which has several flood-prone areas. Every year, several areas of Cikarang often experience flooding, including the North Cikarang area. Precisely in Karanganyar Village, Karang Bahagia Subdistrict, where most of the land has been converted from rice fields to densely populated housing. Over time, Karang Bahagia Subdistrict became familiar with floods and puddles. Mutiara Puri Harmoni 2 Housing is one of the densely populated residential areas in the Karang Bahagia District. From the observation of the drainage system made by Mutiara Puri Harmoni 2 Housing, there is a lot of sedimentation and some of the sections have a lot of narrowing due to increased development in the housing area. For the drainage before it is drained into the nearest river, namely the Gemboro river, the Mutiara Puri Harmoni 2 housing drainage system creates a reservoir as a storage. By analyzing the reservoir section using the rainfall distribution method and the Log Pearson III method, the resulting 2-year rainfall intensity is 74.374 mm/hour with the resulting discharge of 3.339 m3/second. From the calculation results, the reservoir storage is 6057.216 m3/second with a cross section of 62.4 mx 55.62m. Taking into account the reservoir water balance using 17 years of rainfall data, the maximum discharge in February is 18323m3 and the lowest discharge is in August of 3038m3. Therefore, the results of the capacity analysis needed to avoid flooding are to deepen and expand the reservoir and/or add a pump so that the concentration time is not too long.