DEVELOPMENT OF THE MAIN DRAINAGE SYSTEM PURWOKERTO CITY, BANYUMAS DISTRICT, CENTRAL

• Main Author: KUSUMA PERDANA (NIM : 15813032), RIO
• Format: Final Project
• Language: Indonesia
• Online Access: https://digilib.itb.ac.id/gdl/view/30515
• Institution: Institut Teknologi Bandung

<p align="justify">The city of Purwokerto has now become a Regional Activity Center in the National Space Structure, which is characterized by rapid population growth and there should be additional physical development that makes land cover changes. With larger land cover changes, flood discharges will overflow in the absence of increased drainage capacity. in urban location areas are more likely to drain downstream, downstream of drainage become smaller. To calculate the flood discharge, using 3 rain stations <br /> <br /> namely Arca, Kertadirdjan, and Kranji with the method of calculating the flood discharge used is the Snyder hydrograph method. Selected 25th return periode to urban <br /> <br /> areas according to existing standards. Flood reaches 383 m3 / s for the entire basin, and 18.45 m3 / s for the Bener River sub-catchment. Transitional planning will divert <br /> <br /> water by 16 m3 / s using U-Ditch channel. <p align="justify"> <br />