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The challenges posed by ravines in Angola

The natural phenomenon has been the subject of concern for various sectors of society and Angolan authorities, for their recurrence and aggravation in the last decade, a consequence of development and human action.

On 28 July, a technical meeting was held at the Angolan Engineering Laboratory (LEA) to discuss solutions to the problem of ravines in that country, where the Portuguese company PROCIFISC, specialized in consulting, engineering and architecture, was present, represented in person of its CEO Engº Filipe Lourenço, resulting in a possible partnership with that organization to find efficient solutions to combat the harmful consequences of the ravine phenomenon.

Previously, PROCIFISC attended, at the invitation of the Ministry of Construction and Public Works of Angola, the First Forum of Auscultation organized by this body, held on November 20, 2017, with the objective of discussing and approving a joint strategy between agents and actors assets related to construction. Here, Filipe Lourenço has already addressed, by initiative, this is one of the most relevant problems in that country, the rapid progression of the natural phenomenon of ravines and the need to develop measures to prevent the resulting damages.

With a presence in the Angolan market since 2012, PROCIFISC provides advice to construction companies in this country and has been able to follow closely the challenges and consequences that this event brings to the sector, populations and infrastructures.

The occurrence of ravine emergence is recurrent in Angola, but the natural phenomenon has intensified as a consequence of human development and human activity, and the cracks have registered rapid progression throughout the territory, putting at risk housing, commercial and housing infrastructures. public services. Unregulated or unlawful practices related to housing construction along water lines, expansion of the road network, irregular agricultural practice, massive deforestation, burning, overexploitation of ore and obstruction of the drainage system are the causes of the devastating effect ravines have caused in the last decade. In several provinces are recorded multiple reports of residential buildings, commercial buildings and roadways affected or destroyed by the rapid progression of ravines.

In the city of Luena, Moxico province, slits threaten to swallow some public buildings, such as the example of a crater 15m deep and 30m wide that has been extending towards the city’s thermal power station. Also, two of the country’s main roadways run the risk of being impassable. In Malangue there are already 90 kilometers under these conditions and in Zaire province, since last September, the phenomenon has provoked more than 2000 evacuees.


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