Novi Andhi Setyo Purwono
Program Studi Teknik Sipil, Universitas Wijayakusuma, Purwokerto, Jawa Tengah

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ANALISA PENANGANAN SEDIMENTASI DENGAN SEPASANG JETTY PADA MUARA SUNGAI SERAYU Novi Andhi Setyo Purwono; Iwan Rustendi; Fauzan Angga Musthafa; Rizka Riadianto
PADURAKSA: Jurnal Teknik Sipil Universitas Warmadewa Vol. 9 No. 2 (2020)
Publisher : Program Studi Teknik Sipil, Fakultas Teknik dan Perencanaan, Universitas Warmadewa

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22225/pd.9.2.1804.183-200

Abstract

The estuary functions as a discharge from the river, especially when it floods into the sea. The movement of currents from the sea and also the flow of water from upstream causes sedimentation problems in the estuary. Jetty building planning is required for handling sediment at the estuary of the Serayu River, which is planned with 35721 m2 construction area of a pair Wind data analysis for 10 years is carried out using software WRPLOT, AUTOCAD, and Google Earth. Concrete quality for making tetrapod using concrete (f’c) 31.2 MPa. The tetrapods used have a weight, width, height of 7.6 tons, 2.69 m, and 2.24 m, respectively. Geotextiles used in the jetty building design are 44781.68 m long. Security of the Serayu River estuary requires two pairs of the jetty, the jetty to the right of the estuary requires 778 m length and 34.6 m width, while the jetty to the left of the estuary requires 560 m length and 34.6 m width. The budget plan for the construction of a jetty for handling sediment at the estuary of the Serayu River is IDR 438,708,114,000.00.
ANALISIS KEBUTUHAN DAN KETERSEDIAAN AIR BERSIH DI WILAYAH PELAYANAN INSTALASI PENGOLAHAN AIR GUNUNG TUGEL PDAM TIRTA SATRIA BANYUMAS Verrdy Chrisna Primandani; Novi Andhi Setyo Purwono; Atiyah Barkah
PADURAKSA: Jurnal Teknik Sipil Universitas Warmadewa Vol. 11 No. 1 (2022)
Publisher : Program Studi Teknik Sipil, Fakultas Teknik dan Perencanaan, Universitas Warmadewa

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22225/pd.11.1.4469.112-121

Abstract

Clean water is a vital thing that is needed by humans for their survival. Clean water is used by humans for various activities such as bathing, washing, cooking, and other needs. The increasing number of residents in the South Purwokerto SPAM area certainly makes the need for clean water also increase. Due to the increasing demand for water which is not matched by additional water sources, people often complain about water with a small discharge or even not flowing at all. This research was conducted to find out how much clean water is needed, and to find out how much clean water is available at the South Purwokerto SPAM. In this study, an analysis of the need and availability of clean water is carried out for the next 25 years or until 2045, with several methods that will be used, namely the Geometric, Arithmetic, and Linear Regression Methods. Based on the results of the analysis, it is known that the need for clean water in the South Purwokerto SPAM area in 2045 is 351.69 liters/second, the maximum daily requirement is 422.03 liters/second, and the water demand at peak hours is 562.70 liters/second. The availability of existing water does not increase every year, the available water debit is 130 liters/second and has not been able to meet the clean water needs of the community in the South Purwokerto SPAM Region.