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“Recent inspection reveals that the downstream slope of the (Angat) dam has been deteriorating and is highly vulnerable to damage should a strong seismic movement occur in the area. Furthermore, the design criteria for the dam, particularly for seismicity, may no longer be sufficient considering that the facility is now more than four decades old.
“Damage to the Angat Dam due to earthquake poses a significant risk to Metro Manila. The possibility of damage in the dam’s slope will increase the water level of the Angat River and its tributaries and inundate low lying areas in Metro Manila and Bulacan. Damage to the dam will likewise cause long-term stoppage in water supply, which could seriously disrupt operations of business establishments and imperil the survival of Metro Manila residents.” -page 39
Disclaimer: It’s funny how oftentimes secrets are found out inside borrowed or lent usb drives where documents such as this one are jumbled up with popular mp3 songs or a hot avi video or a great group photo where people ask for jpeg copies of the shots and somebody carelessly use any usb drive to share the requested copies including, unwittingly, any juicy content found within that nobody bothered to delete after transferring the document to another computer. So, since then this document has changed hands many times….