STUDI PERENCANAAN NORMALISASI SUNGAI KALI SONO DI KOTA MADIUN
PT. Bank Papua Cab. Fakfak
Kali river is located in Madiun with 27,56 km2 large DAS Kali Sono. When the rain come,it
caused flood there. It is needed to solve the problem in which the capability to handle the water
debitis low. The concept of planning and reconstructing system is flood handling system with
arranging dike construction in all the left and right bank of the river.
Nakayasu method is one method can be used to know the water debit in each 5 years based on
the arranged rainfall rate. The maximum debit from this accumulation is (Qtr 5) = 87.623 m/det2, so
it is needed to reconstructing the river floor.After analize the water profil by using Standart Fase
Method by devide the flow into 58patok. The flow wide is plannedto get the fix profil. Dimension
with the bank 1:1 is planned to build a dike with urugan ground. After controll the rembesan and
accumulate the stability, it shows savety dake result. From the savety wall analization with the
working force dan controlled to the rolle, movement, and ground pushment that happened to the
savety wall can fulfill the savety point which is appropriate with the legal savety.
Keywords: River dimension arranging, dike
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MEDIA TEKNIK SIPIL Journal
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