FlexMac DT
Rapid deployable flood protection barriers
FlexMacDT is used as a fast to deploy barrier for flood protection, raise embankments and to provide buttressing support for temporary works.
It consists of a multicellular structure made of hexagonal double twisted wire mesh. The mesh is reinforced with vertical steel rods and internally lined with a non-woven geotextile sleeve.
The cellular structure is filled in-situ with locally available fill material to provide a barrier system against rising water, or to buttress excavations in temporary works.
FlexMac DT units are joined to each other longitudinally by using connecting pins to obtain the required length of the structure.
The hexagonal double twisted wire mesh is engineered to provide strength with flexibility. This gives the structure greater flexibility than more rigid solutions and is ideal in areas where differential settlement could occur.
Once the FlexMac DT unit has served its emergency use, it is possible to reuse the unit, by carefully lifting it, allowing the fill material to fall out. The success of this operation depends on the original fill material used and the condition of the unit post-use.
Success Stories
Built, not just drawn
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DEBRIS FLOW BARRIER FOR METIAUT IN TIMOR LESTE
Indonesia
The debris landslide disaster in Metiaut, Dili – Timor Leste was one of the tragic events that struck the area. The landslide not only claimed lives but also caused severe damage to residential infrastructure, including homes and a school located at the foot of the slope. The impact was worsened by the blockage of the main road, Av. de Metiaut, a vital access route connecting areas across Dili. The landslide materials, consisting of rocks and mud, made evacuation efforts and aid distribution extremely difficult. This event raised awareness of the serious threat posed by debris flows in hilly areas like Metiaut, which are characterized by vulnerable geological conditions and high rainfall. Preventing similar disasters in the future requires careful planning, the application of effective slope control technologies, and a risk-based approach to protect lives and property in disaster-prone areas.
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FLOOD EMERGENCY RESPONSE PROJECT
Canada
In spring 2019 vast areas in eastern Ontario, southern Quebec and New Brunswick experienced exceptional flooding due to a combination of events such as heavy rains, melting snow and sudden temperature increase. Just two years earlier, in 2017, a similar flood affected the same areas along the Ottawa River causing severe infrastructure and private properties damage. Unfortunately, the number of flood-related disasters has been growing in the past years and it does not seem to slow down. For this reason, Canadian public agencies are funding projects to implement long-term flood mitigation measures and flood emergency response plans that include ready-to-use solutions that can be quickly deployed to protect assets and lives. After the 2017-flood, Nicolet, a small town along the St. Lawrence River in the province of Quebec, realized that every year the risk of flooding for certain areas has been increasing due to climate change therefore decided to proactively purchase in advance a product that can be reused.
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SEMARANG-DEMAK TIDAL FLOOD CONTROL PROJECT
Located in the northern part of Central Java, Semarang is subjected to floods caused by high tides. In May 2022, the high sea level reached +210 centimeters above sea level, which triggered flooding. The tide was extreme compared to tidal records for the. . .
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FlexMac DT
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FlexMac DT
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