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PIA Press Release

Tension cracks in Dupag section due to faults, loose ground - MGB

Tabuk City, Kalinga (6 March) -- The Mines and Geosciences Bureau (MGB) of the Cordillera Administration declared that the tension cracks on the paved road and several ground subsidence at Dupag, this city are caused by faults.

MGB supervising geologist Benigno Espejo said that there are at least five geohazard spots observed along the area during the inspection last February 24. These he said were manifested with the presence of cracks on the roads, retention walls and its surrounding areas measuring from three to four inches wide and subsidence of road beds.

Among the findings is the presence of an active landslide in Upper Bullaguian of Dupag, Tabuk City where at least 11 from the 30 houses located some 30 meters above the road have cracks on their floors and walls. This according to residents occurred during Typhoon Peping last year.

The active landslide Espejo said is manifested by the pronounced three to six inches wide cracks in the road's retaining walls and three to four wide cracks crossing the concrete pavement and visible subsidence on some parts of the road.

Espejo recommended the relocation of residents in said hazard zone covering some 120 meters along the road since their houses are standing on the active landslide that could cede any moment.

The recommendation also covers the newly constructed barangay hall located just below the road. He advised the barangay to consider building another structure on a safer ground.

Another identified hazard area is located along the Ottao section in Bagumbayan, Tabuk City where aside from cracks on the concrete walls, the concrete pavement sank by as much as 1.2 meters. The contractor has to backfill the section to make it passable by vehicles.

The five hazard zones along the Dupag Section, Espejo said should be declared as hot spots so that the government could allocate funds for its quick response rehabilitation program in the event that the road becomes impassable due to natural causes.

According to Espejo, geohazards are common in the Cordillera where 30 to 40 percent of the area is highly prone to landslides while 70 to 90 percent are slide- prone. These natural phenomena have unfortunately affected several portions of the SONA (state of the nation) projects of President Gloria Macapagal-Arroyo in the region resulting to delays and infrastructure damages during the implementation.

With these natural phenomena, landslides and soil movement are expected to occur in the hazard areas placing structures such as roads and buildings located thereat in constant risk, thus mitigating measures should be in placed to prevent massive damages and possible loss of lives, Espejo said. (ggdumallig/PIA-Kalinga) [top]

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