News &Views at the Base - Philippines Bases Conversion and ...

News &Views at the Base - Philippines Bases Conversion and ... News &Views at the Base - Philippines Bases Conversion and ...

12.07.2015 Views

Cover StoryShown (from Left) Mr. Tsunemi Nagata, Project Manager, Oriental Consultant-Katahira & Engineers-Nippon Koei; Engr. Joshua M. Bingcang, SCTEX ProjectManager, Bases Conversion and Development Authority (BCDA); MGen EduardoJ Lena (Ret), SCTEX Program Director, BCDA; and Mr. Youichi Inoue, ProjectManager, Hazama Corporation at the Nagoya Congress Center, Aichi, Japan,venue of the recently held 11th International Conference on Asphalt Pavements.RP showcasesat Int’l confaThe infamous eruption ofMt. Pinatubo in June 1991,reputedly the secondlargest volcanic explosion of the20th century, is also consideredthe largest eruption in livingmemory. Resulting ash cloudssoared as high as 22 miles intothe sky, with subsequent heavyrainfall setting off massivelandslides of volcanic mudknown as lahar.Damage infl icted by the phenomenon was estimatedat billions of dollars, with hundreds of houses and otherstructures either collapsing under the sheer weight ofvolcanic ash or swept away by lahar fl ows that inundatedentire towns and communities, in the process wreakinghavoc in the social and economic life of the people inCentral Luzon.The lahar apparently caused much destruction thanthe volcanic explosion itself.Almost two decades later, however, what used to bea social and economic bane in Central Luzon now formspart of a 21st century roadway, propelling commerceand property valuation upwards and serving as a dynamofor and properties the sustainable development of threebusiness hubs in the region.8

The Bases Conversion Development Authority(BCDA) recently presented before the 11th InternationalConference on Asphalt Pavements (ISAP Nagoya 2010) inAichi, Japan the Subic-Clark-Tarlac Expressway (SCTEX),as a showcase of the optimized use of 10-cubic kilometerof lahar deposits readily available in the project site.Engr. Joshua Bingcang, of the BCDA said theutilization of lahar as embankment material and mixingwith cement-based solidifying material for Sub-base/BaseCourse became the main objective in promoting theproject, which was made possible through the supportof the Japan Bank for International Cooperation (JBIC).“The nature and physical characteristics of laharis similar to sand that could withstand even the rainyseason,” Bingcang explained. “Mixed with cement, laharstrength could be utilized as a core material for Subbase/BaseCourse.”Further recognizing the practicality of using lahar inthe construction of SCTEX, according to Bingcang, is thesubstantial reduction of construction time and cost.Bingcang noted that since lahar is abundant inthe area, and thus, can be easily managed in theconstruction site, the cost of using it for embankmentand Sub-base/Base Course was lower compared to thegravel-based Sub-base/Base Course, not to mentionsavings in transportation and quarrying expenditures.“With this, the highway project is cost effective andenvironment-friendly since extracting lahar from the riversimproved the surface water fl ow,” he stressed.The SCTEX, which became fully-operational lastJuly 25, 2008, provided a direct and seamless travel tothe three key growth areas in Central Luzon—the SubicBay Special Economic and Freeport Zone in Zambales;Clark Special Economic Zone in Pampanga; and CentralTechno Park in Tarlac.Completion of the SCTEX enhanced the region’sviability as world-class industrial center, and an effi cientagro-industrial logistic complex.continued on page 10CTEXbBCDA representatives with other convention participants in a souvenir shot at a tunnel, which is being constructed aspart of the New Tomei Expressway, touted to be the longest expressway in Japan. (Inset) Mr. Youichi Inoue, ProjectManager, Hazama Corporation, MGen Eduardo J Lena (Ret), SCTEX Program Director, and Engr. Joshua M. Bingcangin the tunnel located in Cental Japan.9

The <strong>Base</strong>s <strong>Conversion</strong> Development Authority(BCDA) recently presented before <strong>the</strong> 11th Intern<strong>at</strong>ionalConference on Asphalt Pavements (ISAP Nagoya 2010) inAichi, Japan <strong>the</strong> Subic-Clark-Tarlac Expressway (SCTEX),as a showcase of <strong>the</strong> optimized use of 10-cubic kilometerof lahar deposits readily available in <strong>the</strong> project site.Engr. Joshua Bingcang, of <strong>the</strong> BCDA said <strong>the</strong>utiliz<strong>at</strong>ion of lahar as embankment m<strong>at</strong>erial <strong>and</strong> mixingwith cement-based solidifying m<strong>at</strong>erial for Sub-base/<strong>Base</strong>Course became <strong>the</strong> main objective in promoting <strong>the</strong>project, which was made possible through <strong>the</strong> supportof <strong>the</strong> Japan Bank for Intern<strong>at</strong>ional Cooper<strong>at</strong>ion (JBIC).“The n<strong>at</strong>ure <strong>and</strong> physical characteristics of laharis similar to s<strong>and</strong> th<strong>at</strong> could withst<strong>and</strong> even <strong>the</strong> rainyseason,” Bingcang explained. “Mixed with cement, laharstrength could be utilized as a core m<strong>at</strong>erial for Subbase/<strong>Base</strong>Course.”Fur<strong>the</strong>r recognizing <strong>the</strong> practicality of using lahar in<strong>the</strong> construction of SCTEX, according to Bingcang, is <strong>the</strong>substantial reduction of construction time <strong>and</strong> cost.Bingcang noted th<strong>at</strong> since lahar is abundant in<strong>the</strong> area, <strong>and</strong> thus, can be easily managed in <strong>the</strong>construction site, <strong>the</strong> cost of using it for embankment<strong>and</strong> Sub-base/<strong>Base</strong> Course was lower compared to <strong>the</strong>gravel-based Sub-base/<strong>Base</strong> Course, not to mentionsavings in transport<strong>at</strong>ion <strong>and</strong> quarrying expenditures.“With this, <strong>the</strong> highway project is cost effective <strong>and</strong>environment-friendly since extracting lahar from <strong>the</strong> riversimproved <strong>the</strong> surface w<strong>at</strong>er fl ow,” he stressed.The SCTEX, which became fully-oper<strong>at</strong>ional lastJuly 25, 2008, provided a direct <strong>and</strong> seamless travel to<strong>the</strong> three key growth areas in Central Luzon—<strong>the</strong> SubicBay Special Economic <strong>and</strong> Freeport Zone in Zambales;Clark Special Economic Zone in Pampanga; <strong>and</strong> CentralTechno Park in Tarlac.Completion of <strong>the</strong> SCTEX enhanced <strong>the</strong> region’sviability as world-class industrial center, <strong>and</strong> an effi cientagro-industrial logistic complex.continued on page 10CTEXbBCDA represent<strong>at</strong>ives with o<strong>the</strong>r convention participants in a souvenir shot <strong>at</strong> a tunnel, which is being constructed aspart of <strong>the</strong> New Tomei Expressway, touted to be <strong>the</strong> longest expressway in Japan. (Inset) Mr. Youichi Inoue, ProjectManager, Hazama Corpor<strong>at</strong>ion, MGen Eduardo J Lena (Ret), SCTEX Program Director, <strong>and</strong> Engr. Joshua M. Bingcangin <strong>the</strong> tunnel loc<strong>at</strong>ed in Cental Japan.9

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