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Ministry of Minerals, Energy and Water Resources (MMEWR)
DGS UNDERTAKES A STUDY ON MANUFACTURED SAND
23/03/15
DGS UNDERTAKES A STUDY ON MANUFACTURED SAND
DGS UNDERTAKES A STUDY ON MANUFACTURED SAND
The Department of Geological Survey (DGS) has undertaken a study on the use of manufactured sand for plastering. The study which will be conducted in all the four seasons for weather testing began in January 2015. The Deputy Director, Mr. Mojaboswa Koketso said the objective of the study is to sensitize the public through demonstration and for them to observe and tangible results that manufactured sand is an alternative to natural river sand. He further said, the study will produce a guide for mixed design (mix rations; sand to cement to water) for plastering, prove that manufactured sand does not require blending when used for plastering and most importantly reduce environmental land degradation due to river sand mining which is already a depleted resource. This study, he added will guarantee that Infrastructure development will not be hampered due to shortage of natural river sand.
Moreover, it is important to note that the demand for river sand in Botswana has risen due to the rapid infrastructure growth and therefore there is a demand and supply mismatch. ”Natural sand deposits are being depleted and causing serious land and environmental degradation, thus an alternative or substitute for river sand had to be initiated to rescue the situation hence .the introduction of processed crushed rock called “manufactured sand”. Mr. Koketso explained. He said some quarries in the country are already producing manufactured sand and some companies and individuals have started using and are using it. DGS has brought on board key stakeholders among them Lobatse Brigades Centre, Lobatse Clay Works, Department of Electrical and Building Services (DBES); Botswana Berau of Standards (BOBS), Sand Civil, Panda and Botswana Institute for Technology Research and Innovation.
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