PERENCANAAN TANGGUL BANJIR SUNGAI LUSI HILIR
ABSTRACT: Flooding is one of
the natural disasters that have a major impact on human survival. Flooding
problems that occur in Grobogan partly due to the overflow of the river is one
of the Lusi River. Lusi River has a length of 161,13 km flowing from Bulu
Rembang to meet with Serang River in Penawangan Grobogan. Flood discharge plan
used in analyzing cross-section using a return period of 25 years Q25 = 900
m3/sec. A cross-sectional analysis of existing and planned performed using
HEC-RAS software. The output of the HEC-RAS** software indicate whether or not
fulfilled at the cross-river flood discharge. Lusi River flooding problems
addressed in various ways, namely the improvement of cross-section, planning
dikes, raising the existing levees, concrete parapet planning and strengthening
slopes or cliffs are prone to landslides. Overall technical planning with an
estimated value of construction costs Rp. 82,995,060,000.00. (eighty-two
billion nine hundred and ninety-five million six hundred thousand dollars) with
the duration of work for 25 weeks.
KEYWORDS: flood; repair
cross-section of the Lusi River; embankments; slope reinforcement and concrete
parapet
Penulis: Rizka Arbaningrum,
Jennifer Gerina Putri, Pranoto Sapto Atmojo, Dwi Kurniani
Kode Jurnal: jptsipildd150150
