Bulacan governor wants regular update on Angat dam repair

CITY OF MALOLOS, Bulacan – Regular earthquake drills are good but authorities should also consider a more devastating danger should the so called “Big One” happens, a top provincial executive said on Sunday.

Gov. Wilhelmino M. Sy-Alvarado said that while he does not want to picture a grim scenario, authorities should not overlook the massive devastation that could happen if a magnitude 7.2 earthquake or the so called “Big One” jolts the West Valley fault line that could break the aging Angat dam. The water reservoir according to experts is nestling within the fault line and is located in one of the most steepest mountain slopes in the world.

The governor also asked dam engineers to give them regular updates on the on-going repair and strengthening of Angat dam.

Alvarado said that when he was still the vice governor he delivered a privilege speech at the Sanguniang Panglalawigan where he emphasized the statement of the Metropolitan Waterworks and Sewerage System (MWSS) on July 16, 2009 regarding the agency justification for the construction and operation of Laiban dam project.

The MWSS noted “the Angat main dike axis is right on the recently confirmed Marikina Valley System fault. The main dike straddles in the fault which stretches from Taal Lake area to Angat river. The dike has one of the steepest slopes in the world. Seepagehas been observed right after its construction. The design criteria for the dam, particularly for seismicity, may not be sufficient considering the latest requyirements for design codes and regulations.”

During that time, Alvarado has already revealed the aging Angat dam is like the proverbial “Sword of Damocles” hanging over the heads of Bulakenyos.

Alvarado said that Angat dam is already 49 years old and the lifespan of the dam is only 50 years.

He said the new operator of Angat dam, the Angat Hydro Corporation, has begun its repair and strengthening last year.

However, some sectors are asking him for updates on the rehabilitation and strengthening.

Some of them he said, are asking if the on-going repair is suited to withstand a magnitude 7.2 earthquake.

“Many of them are anxious and believes that the destruction that a dam break would cause is highly unimaginable. Once it breaks, voluminous amount of water will come down cascading like bullets carrying with them huge boulders, cut logs and other debris to the lowlands that will eventually ends up in Manila Bay,” the governor said.

He said that concerned authorities have already estimated that at least 38,000 would die at the National Capital Region once the “Big One” stikes. But they have not consider the effects and aftermath of a dam break.

“Millions will die instantly, most of which will be washed and wiped-out. Aside from this the aftermath will bring more deadly consequences since the Angat dam supplies 97 percent of the potable water needs of Metro Manila. Survivors will surely die from thirst,” Alvarado said.

He said that preparations and readiness are being undertaken by the government but they should also include the devastation that a dam break would bring.

He also added that drills are doable but only the mercy and love of God can prevent such dreadful calamities from happening.

He said the Province of Bulacan is regularly holding a “Day of Prayer” to save the land and the entire country from calamities and evil forces that want to destroy it.

In his message during the “Bulacan Day of Prayer-Peace for the Philippines” at the Bulacan Capitol Gym here recently, Alvarado said that in times of disasters and when evil forces attempts to destroy a peaceful land, faith and prayers can help big.
Alvarado said that it has become a common practice for capitol employees, particularly at the Provincial Disaster Risk Reduction and Management Office, to stop for a moment and offer prayers to God every 12 noon daily.

He also said that in every gateways of the province, giant billboards were put up to remind Bulakenyos on the Love and mercy of God as inscribed in II Cronicles 7:14 – “If my people, who are called by my name, will humble themselves and pray and seek my face and turn from their wicked ways, then I will hear from heaven, and I will forgive their sin and will heal their land.” —EMIL G. GAMOS

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