On Friday, March 27, 2009, Situ Gintung dam at Cirendeu, Tangerang, southeast of Jakarta, has broken-down and the water flooded like a small tsunami, washing away cars, houses and settlement area. Ninety nine people were killed and 102 others were missing (update the number of victims from www.kompas.com on Tuesday, March 31, 2009). My condolence for victims and their family. From all of that, there are three important notes that I want to share through this blog. First , it is indeed the embankment that broken-down was caused by excessive debit of water. Situ Gintung levee was originally built under Dutch colonial authorities era, only able to accommodate 1 million cubic of water, while the debit of water before the incident has reached 2 million cubic of water debit. There should be early warning for residents who live around the embankment when felt there was something that threatens the safety of citizens. In Situ Gintung actually already there, but not work well. Second , allotm...