Analisis Reduksi Genangan Pada Saluran Drainase Di Pesisir Kota Palu Yang Berwawasan Lingkungan (Analysis Of Inundation Reduction In Drainage Channel At Coastal Palu City With Environmental Insight)

Irenne Ismayanti Romadona, U. Andawayanti, Evi Nur Cahya
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引用次数: 1

Abstract

When the rainy season arrives inundation occurs in some areas in Palu, the capital city of Central Sulawesi. It’s due to rapid development, outdated drainage systems, high level of sedimentation and the topographic condition. Solutions to overcome the problem are rehabilitating existing drainage, rainwater harvesting, gully plug and temporary storage pond equipped with automatic valve door. Rehabilitation is done by increasing the depth of existing drainage. For rainwater harvesting, the rain barrels capacity varies from 350 - 1050 liters equipped with storage well. By combining the rehabilitation and rainwater harvesting, the effectiveness of inundation reduction in DTA 1 93,5% and in DTA 2 99,6%. For gully plug, each size of gully plug is set to fit the width of channel. The effectiveness of inundation reduction 81% in DTA 1 and 98,9% in DTA 2. The budget plan for rainwater harvesting between Rp. 1.492.505,- to Rp. 2.692.505,- depending on rain barrel capacity. For gully plug between Rp. 556.000,- to Rp. 808.000,- depending on the size of gully plug. Combination of rehabilitation, temporary storage pond equipped with automatic valve door also rainwater harvesting was chosen because the effectiveness of greater reduction and maintenance of rainwater harvesting was much easier
当雨季到来时,中苏拉威西的首府帕卢的一些地区就会发生洪水。这是由于快速发展、过时的排水系统、高沉积水平和地形条件造成的。解决这个问题的方法是修复现有的排水系统,收集雨水,堵塞沟渠,并安装自动阀门的临时蓄水池。修复是通过增加现有排水的深度来完成的。对于雨水收集,雨水桶容量从350 - 1050升不等,配有储水井。通过将恢复与雨水收集相结合,dta1 93,5%和dta2 99,6%的洪水减少效果。对于沟槽塞,每个沟槽塞的尺寸都被设置为适合沟槽的宽度。在dta1和dta2中,淹没效率分别降低了81%和98.9%。雨水收集的预算计划在1.492.505卢比至2.692.505卢比之间,具体取决于雨桶容量。对于55.6万卢比至80.8万卢比之间的沟槽塞,取决于沟槽塞的大小。结合修复,选择临时储水池,配备自动阀门也雨水收集,因为减少的效果更大,雨水收集的维护也更容易
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