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Analisis dan Perencanaan Sistem Drainase di Lingkungan Universitas Lampung(Studi Kasus Zona II : Fakultas Matematika dan Ilmu Pengetahuan Alam, Fakultas Kedokteran dan Fakultas Keguruan dan Ilmu Pendidikan) Kusuma, Widi Teja; Purwadi, Ofik Taufik; Sumiharni, Sumiharni
Jurnal Rekayasa Sipil dan Desain (JRSDD) Vol. 6 No. 3 (2018): Edisi September 2018
Publisher : Universitas Lampung

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.23960/jrsdd.v6i3.849

Abstract

Lampung University as one of the first and oldest universities in Lampung Province is one of the best universities in Sumatra and continues to improve its academic quality, and have A Accreditation. The improvement of Lampung University facilities and infrastructure is continuously conducted in order to improve both academic and non-academic quality. The form of non-academic quality improvement is environmental arrangement with the drainage system planning. It is intended to solve some of the flood puddles that occurred during the rainy season due to the lack of optimal condition of existing drainage in the University of Lampung.The analysis conducted in this research includes hydrological analysis and hydraulics analysis. Hydrological analysis aimed to calculate the discharge plan using rational method and hydraulic analysis aims to calculate the capacity of existing drainage channels. So we can know the position of the flood point and planning the new channel dimension.Based on the analysis of the flood point occurred at DN15 cross section with 9.5 m long overflow which is located in front of the entrance portal of Faculty of Mathematics and Sciences. There are also some new drainage section design at DN63 point along 56 m, DN64 along 45 m and DN65 along 67 m as they are still a natural drainage. It is also necessary to give the drainage channel maintenance by channel normalization, garbage retaining lattice installation, and periodic cleaning of channels.
Design Planning of Small Dam Conservation at Deer Park University of Lampung Wahyuni, Nining; Taufik Purwadi, Ofik; Sumiharni, Sumiharni
Jurnal Rekayasa Sipil dan Desain (JRSDD) Vol. 7 No. 2 (2019): Edisi Juni 2019
Publisher : Universitas Lampung

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.23960/jrsdd.v7i2.1209

Abstract

In the Faculty of Medicine, University of Lampung there is a pool with a small reservoir that can overflow during the rainy season, because it has not been able to accommodate the inflow water. The solution is planning a small dam to increase its function as water reservoir, flood control, and conservation.The methods are used to redesign this small dam conservation are hydrological analyses, small dam construction planning, analysis stability of  planned constructions and estimating building construction cost.  The result are storage capacity of small dam is 3627,9560 m3 from storage capacity before redesign is 3219,7176 m3, the flood debit of 0,8219  m3/s with cycle period 5 years,  small dam planned height of 4,5 m,withabaseelevationat+103,5 thedamcrestelevation+106,61. Spillway which used is Open Ogee type and basin specific energy building Vlughter type. Stability small dam construction stated as safe with flood condition, normal condition and empty condition. Cost estimated of design planning of conservation small dam at Medicine Faculty University of Lampung is Rp3.265.660.000. (three billion two hundred sixty five million hundred sixty thousand Rupiah). Keyword : Small dam, Conservation, University of Lampung