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						   Applications 
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				   HYSON CELLS COMPARED WITH CONVENTIONAL METHODS
				Beach and dune protection
 
      
        
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             Application and method  | 
          
             Estimated installed cost  | 
          
             Estimated installed cost  | 
          
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             S A Rand  | 
          
             US Dollars  |  
          
             unit  |   
        
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             Hyson Cells embankment protection mat  | 
          
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             a  | 
          
             Hyson Cells filled with beach sand, grouted to high 
            water line  | 
          
             R75  | 
          
             to  | 
          
             R100  | 
          
             $13  | 
          
             to  | 
          
             $17  | 
          
             / m²  |  
        
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             b  | 
          
             Hyson Cells filled with no-fines concrete and 
            vegetation to high storm line  | 
          
             R75  | 
          
             to  | 
          
             R100  | 
          
             $13  | 
          
             to  | 
          
             $17  | 
          
             / m²  |  
        
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             c  | 
          
             Hyson Cells with vegetation as wind 
            protection  | 
          
             R18  | 
          
             to  | 
          
             R30  | 
          
             $3  | 
          
             to  | 
          
             $5  | 
          
             / m²  |  
        
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             Concrete blocks  | 
          
             R195  | 
          
             to  | 
          
             R220  | 
          
             $33  | 
          
             to  | 
          
             $37  | 
          
             / m²  |  
        
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             Wire baskets  | 
          
             R195  | 
          
             to  | 
          
             R220  | 
          
             $33  | 
          
             to  | 
          
             $37  | 
          
             / m²  |  
        
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             Mats  | 
          
             R10  | 
          
             to  | 
          
             R30  | 
          
             $2  | 
          
             to  | 
          
             $5  | 
          
             / m²  |   
				
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