Sri Eko Wahyuni
Jurusan Teknik Sipil FT. UNDIP Jl. Prof. H. Soedarto, SH., Tembalang, Semarang 50275

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PERENCANAAN BANGUNAN PENGENDALI SEDIMEN, ZONA NON CEKUNGAN AIR TANAH, HULU SUNGAI SERANG, WONOSEGORO, KABUPATEN BOYOLALI Rizki Adi Prasetiyo; Adib Amali; Sri Eko Wahyuni; Robert J. Kodoatie
Jurnal Karya Teknik Sipil Volume 3, Nomor 2, Tahun 2014
Publisher : Departemen Teknik Sipil, Fakultas Teknik Universitas Diponegoro

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Abstract

The location plan of Wonosegoro Check Dam in the Upper Serang river, District of Wonosegoro regency of Boyolali, has the hydrogeological characteristics of Non ground water basin (Non CAT). The Serang Wonosegoro watershed has 177.16 km 2 area. The flood discharge plan obtained by the Rational method in the amount of  581.425 m3/second with a return period of 100 years. Check Dam has design by reinforced concrete with effective main dam height of 2 m, Sub Dam 1 m, and width 55 m, summit peak elevation of dam + 118.93 m above sea level and length of apron 26.390 m. Results of sediment transport by Ackers & White method is Qs = 5,174 tonnes / day. The magnitude of the rate of sedimentation in the Serang watershed amounted to 17.579 tons / ha / year. Time project of execution plan is 28 weeks with a budget plan is Rp. 6,422,807,000.00.
PERENCANAAN EMBUNG SEMAR KABUPATEN REMBANG Muchammad Chusni Irfany; Satriyo Pandu Wicaksono; Suripin Suripin; Sri Eko Wahyuni
Jurnal Karya Teknik Sipil Volume 3, Nomor 3, Tahun 2014
Publisher : Departemen Teknik Sipil, Fakultas Teknik Universitas Diponegoro

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Abstract

Semar small dam which is located in Mlatirejo village of Rembang Regency is built on Serojeh River with 10.62 km2 of watershed.. The function of Semar small dam is to fill the needs of raw water and irrigation water requirement. Semar small dam was is designed with 240.449 m3 of water capacity in +67 elevations. The effective volume of Semar small dam is 137.385 m3 which provides the needs of raw water and irrigation of them are 0.002 m3/sec and 0.08 m3/sec. This spillway is designed to reduce the flood of reissue 50 years period of 121.091 m3/sec into 43.47m3/sec. The small dam was a homogeneous soil with its 15 meter in height and 158 meter in length. This project implementation is scheduled for 28 weeks with a budget plan of Rp 8.469.864.600,00.