STRATEGI PENANGANAN BANJIR HILIR SUNGAI KONAWEHA Asep Herianto Hermanto, Abdul Kadir, Ahmad Syarif Sukri, Minson Simatupang, Romy Suryaningrat Edwin, Masdiana Jurnal Manajemen Rekayasa (Journal of Engineering Management) Vol. 7 No. 1 2025